/* ========================================
   MakeKryft - Custom Styles
   ======================================== */

/* CSS Variables */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #a855f7;
    --accent: #f97316;
    --accent-dark: #ea580c;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    --border-main: #000000;
    --brutal-shadow: 8px 8px 0px 0px var(--border-main);
    --brutal-shadow-sm: 4px 4px 0px 0px var(--border-main);
    --brutal-shadow-lg: 12px 12px 0px 0px var(--border-main);
    --brutal-shadow-hover: 12px 12px 0px 0px var(--border-main);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Grotesk', 'Noto Sans KR', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(var(--gray-300) 1px, transparent 1px),
        linear-gradient(to right, rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0,0,0,0.03) 1px, transparent 1px);
    background-size: 30px 30px, 20px 20px, 20px 20px;
    pointer-events: none;
    z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Brutal Design Components */
.brutal-card {
    background: white;
    border: 3px solid var(--border-main);
    box-shadow: var(--brutal-shadow);
    transition: all var(--transition-normal);
}

.brutal-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: var(--brutal-shadow-hover);
}

.brutal-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: 3px solid var(--border-main);
    box-shadow: var(--brutal-shadow-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.brutal-button:hover {
    transform: translate(-2px, -2px);
    box-shadow: var(--brutal-shadow);
}

.brutal-button:active {
    transform: translate(2px, 2px);
    box-shadow: none;
}

.brutal-button-primary {
    background: var(--primary);
    color: white;
}

.brutal-button-primary:hover {
    background: var(--primary-dark);
}

.brutal-button-secondary {
    background: white;
    color: var(--dark);
}

.brutal-button-secondary:hover {
    background: var(--gray-100);
}

.brutal-button-accent {
    background: var(--accent);
    color: white;
}

.brutal-button-accent:hover {
    background: var(--accent-dark);
}

/* Glass Effect */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

/* Gradient Backgrounds */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.bg-gradient-accent {
    background: linear-gradient(135deg, var(--accent) 0%, #fbbf24 100%);
}

.bg-gradient-dark {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
}

/* Section Styles */
section {
    position: relative;
    padding: 100px 0;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--gray-600);
    max-width: 600px;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.3); }
    50% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.6); }
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Responsive */
@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .brutal-button {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .brutal-shadow {
        box-shadow: var(--brutal-shadow-sm);
    }
}

/* ========================================
   2단계: 커스텀 커서 & 파티클 효과
   ======================================== */

/* Hide default cursor on desktop */
@media (min-width: 1024px) {
    * {
        cursor: none !important;
    }
}

/* Custom Cursor - Main dot */
.cursor {
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background 0.2s;
    mix-blend-mode: difference;
}

/* Custom Cursor - Follower ring */
.cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 99998;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease-out, height 0.3s ease-out, border-color 0.3s;
    opacity: 0.5;
}

/* Cursor states */
.cursor.active {
    width: 20px;
    height: 20px;
    background: var(--accent);
}

.cursor-follower.active {
    width: 60px;
    height: 60px;
    border-color: var(--accent);
    opacity: 0.3;
}

.cursor.text-hover {
    width: 80px;
    height: 80px;
    background: rgba(99, 102, 241, 0.1);
    mix-blend-mode: normal;
}

.cursor-follower.text-hover {
    opacity: 0;
}

/* Particles Container */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

/* Individual Particle */
.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
}

/* Particle shapes */
.particle-circle {
    border: 2px solid var(--primary);
    background: transparent;
}

.particle-dot {
    background: var(--secondary);
}

.particle-square {
    border-radius: 0;
    border: 2px solid var(--accent);
    background: transparent;
}

.particle-triangle {
    width: 0 !important;
    height: 0 !important;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 14px solid var(--primary);
    background: transparent !important;
    border-radius: 0 !important;
}

/* Particle animation */
@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) rotate(720deg);
        opacity: 0;
    }
}

@keyframes particlePulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.4;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.8;
    }
}

/* Interactive hover glow effect */
.hover-glow {
    position: relative;
    transition: all var(--transition-normal);
}

.hover-glow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
    pointer-events: none;
    z-index: -1;
}

.hover-glow:hover::before {
    width: 200%;
    height: 200%;
}

/* Hide cursor on mobile/tablet */
@media (max-width: 1023px) {
    .cursor,
    .cursor-follower {
        display: none !important;
    }
}

/* ========================================
   3단계: 랜딩 오버레이 (인트로 애니메이션)
   ======================================== */

/* Landing Overlay Container */
#landing-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    z-index: 100000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
    overflow: hidden;
}

/* Animated background gradient */
#landing-overlay::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
    animation: overlayGlow 4s ease-in-out infinite;
}

@keyframes overlayGlow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(10%, 10%) scale(1.1); }
}

/* Logo animation */
.landing-logo {
    width: 80px;
    height: 80px;
    opacity: 0;
    transform: scale(0.5) rotate(-15deg);
    animation: logoReveal 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s forwards;
    filter: drop-shadow(0 0 30px rgba(99, 102, 241, 0.5));
}

.landing-logo svg {
    width: 100%;
    height: 100%;
}

@keyframes logoReveal {
    to {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

/* Text container */
.landing-text {
    display: flex;
    gap: 8px;
    overflow: hidden;
    perspective: 1000px;
}

/* Individual characters */
.landing-char {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 10vw, 6rem);
    font-weight: 700;
    color: white;
    opacity: 0;
    transform: translateY(100%) rotateX(-90deg);
    animation: charReveal 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    text-shadow: 0 0 40px rgba(99, 102, 241, 0.5);
    letter-spacing: -0.02em;
}

.landing-char:nth-child(1) { animation-delay: 0.5s; }
.landing-char:nth-child(2) { animation-delay: 0.6s; color: #6366f1; }
.landing-char:nth-child(3) { animation-delay: 0.7s; }
.landing-char:nth-child(4) { animation-delay: 0.8s; color: #a855f7; }
.landing-char:nth-child(5) { animation-delay: 0.9s; }
.landing-char:nth-child(6) { animation-delay: 1.0s; color: #f97316; }
.landing-char:nth-child(7) { animation-delay: 1.1s; }
.landing-char:nth-child(8) { animation-delay: 1.2s; }
.landing-char:nth-child(9) { animation-delay: 1.3s; color: #22c55e; }

@keyframes charReveal {
    to {
        opacity: 1;
        transform: translateY(0) rotateX(0deg);
    }
}

/* Tagline */
.landing-tagline {
    font-size: clamp(0.9rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.7);
    opacity: 0;
    transform: translateY(20px);
    animation: taglineReveal 0.6s ease-out 1.5s forwards;
    text-align: center;
    padding: 0 20px;
}

@keyframes taglineReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading bar */
.landing-loader {
    width: 200px;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    opacity: 0;
    animation: loaderReveal 0.4s ease 1.8s forwards;
}

.landing-loader-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #a855f7, #f97316);
    border-radius: 3px;
    animation: loaderProgress 1.2s ease 2s forwards;
}

@keyframes loaderReveal {
    to { opacity: 1; }
}

@keyframes loaderProgress {
    to { width: 100%; }
}

/* Exit animation */
#landing-overlay.exit {
    animation: overlayExit 0.8s cubic-bezier(0.7, 0, 0.3, 1) forwards;
}

@keyframes overlayExit {
    0% {
        clip-path: inset(0 0 0 0);
        opacity: 1;
    }
    100% {
        clip-path: inset(0 0 100% 0);
        opacity: 0;
    }
}

/* Skip button */
.landing-skip {
    position: absolute;
    bottom: 40px;
    right: 40px;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    cursor: pointer;
    opacity: 0;
    animation: skipReveal 0.4s ease 2.5s forwards;
    transition: all 0.3s;
}

.landing-skip:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
}

@keyframes skipReveal {
    to { opacity: 1; }
}

/* Disable scrolling when overlay is visible */
body.overlay-visible {
    overflow: hidden;
}

/* ========================================
   4단계: 네비게이션 바
   ======================================== */

/* Navigation Container */
.nav-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.nav-container.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 12px 0;
    border-bottom: 2px solid var(--border-main);
}

/* Navigation Inner */
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: transform 0.3s;
}

.nav-logo:hover {
    transform: scale(1.02);
}

.nav-logo-icon {
    width: 42px;
    height: 42px;
}

.nav-logo-text {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.02em;
}

.nav-logo-text span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Desktop Navigation Links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    position: relative;
    padding: 10px 18px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-700);
    text-decoration: none;
    transition: all 0.2s;
    border-radius: 8px;
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 50%;
}

.nav-link.active {
    color: var(--primary);
}

.nav-link.active::after {
    width: 50%;
}

/* Navigation CTA */
.nav-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-cta-secondary {
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-cta-secondary:hover {
    color: var(--primary);
}

.nav-cta-primary {
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
    background: var(--primary);
    text-decoration: none;
    border: 2px solid var(--border-main);
    box-shadow: 4px 4px 0 var(--border-main);
    transition: all 0.15s;
}

.nav-cta-primary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--border-main);
}

.nav-cta-primary:active {
    transform: translate(2px, 2px);
    box-shadow: 0 0 0 var(--border-main);
}

/* Free Badge */
.nav-free-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 0.7rem;
    font-weight: 700;
    color: white;
    background: var(--accent);
    border-radius: 20px;
    margin-left: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Mobile Menu Button */
.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 2px solid var(--border-main);
    cursor: pointer;
    transition: all 0.2s;
}

.nav-mobile-toggle:hover {
    background: var(--gray-100);
}

.nav-mobile-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--dark);
    transition: all 0.3s;
    margin: 2px 0;
}

.nav-mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.nav-mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.nav-mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    z-index: 999;
    display: flex;
    flex-direction: column;
    padding: 100px 24px 40px;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-mobile-menu.active {
    transform: translateX(0);
}

.nav-mobile-link {
    padding: 20px 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark);
    text-decoration: none;
    border-bottom: 2px solid var(--gray-200);
    transition: all 0.2s;
}

.nav-mobile-link:hover {
    color: var(--primary);
    padding-left: 10px;
}

.nav-mobile-cta {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nav-mobile-cta-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 18px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    background: var(--primary);
    text-decoration: none;
    border: 3px solid var(--border-main);
    box-shadow: 6px 6px 0 var(--border-main);
}

/* Responsive */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
    
    .nav-cta {
        display: none;
    }
    
    .nav-mobile-toggle {
        display: flex;
    }
}

@media (max-width: 480px) {
    .nav-logo-text {
        font-size: 1.25rem;
    }
    
    .nav-logo-icon {
        width: 36px;
        height: 36px;
    }
}

/* ========================================
   5단계: Hero 섹션
   ======================================== */

/* Hero Container */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    overflow: hidden;
}

/* Hero Background Elements */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.hero-bg-gradient {
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.12) 0%, transparent 60%);
    animation: heroBgFloat 15s ease-in-out infinite;
}

.hero-bg-gradient-2 {
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.08) 0%, transparent 60%);
    animation: heroBgFloat 20s ease-in-out infinite reverse;
}

@keyframes heroBgFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.05); }
}

/* Hero floating shapes */
.hero-shape {
    position: absolute;
    border: 3px solid var(--border-main);
    opacity: 0.15;
}

.hero-shape-1 {
    top: 20%;
    left: 10%;
    width: 60px;
    height: 60px;
    background: var(--primary);
    animation: shapeFloat 8s ease-in-out infinite;
}

.hero-shape-2 {
    top: 60%;
    left: 5%;
    width: 40px;
    height: 40px;
    background: var(--secondary);
    border-radius: 50%;
    animation: shapeFloat 10s ease-in-out infinite 1s;
}

.hero-shape-3 {
    top: 30%;
    right: 8%;
    width: 80px;
    height: 80px;
    background: var(--accent);
    border-radius: 20px;
    animation: shapeFloat 12s ease-in-out infinite 2s;
}

.hero-shape-4 {
    bottom: 20%;
    right: 15%;
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: 50%;
    animation: shapeFloat 9s ease-in-out infinite 0.5s;
}

@keyframes shapeFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(10deg); }
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

/* Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 2px solid var(--primary);
    border-radius: 50px;
    margin-bottom: 32px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: badgePulse 2s infinite;
}

@keyframes badgePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

/* Hero Title */
.hero-title {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero-title-line {
    display: block;
}

.hero-title-highlight {
    position: relative;
    display: inline-block;
}

.hero-title-highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 20px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(168, 85, 247, 0.3) 100%);
    z-index: -1;
    transform: skewX(-5deg);
}

/* Hero Subtitle */
.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.6;
}

/* AI Demo Box */
.hero-ai-demo {
    max-width: 800px;
    margin: 0 auto 48px;
    background: white;
    border: 3px solid var(--border-main);
    box-shadow: 12px 12px 0 var(--border-main);
    border-radius: 16px;
    overflow: hidden;
}

.hero-ai-demo-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 24px;
    background: var(--gray-100);
    border-bottom: 2px solid var(--border-main);
}

.hero-ai-demo-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.hero-ai-demo-dot:nth-child(1) { background: #ef4444; }
.hero-ai-demo-dot:nth-child(2) { background: #eab308; }
.hero-ai-demo-dot:nth-child(3) { background: #22c55e; }

.hero-ai-demo-title {
    margin-left: auto;
    font-size: 0.85rem;
    color: var(--gray-500);
}

.hero-ai-demo-body {
    padding: 32px 24px;
}

.hero-ai-input-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    transition: all 0.3s;
}

.hero-ai-input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.hero-ai-input-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 10px;
    flex-shrink: 0;
}

.hero-ai-input-icon i {
    color: white;
}

.hero-ai-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 1.1rem;
    font-family: inherit;
    color: var(--dark);
    outline: none;
}

.hero-ai-input::placeholder {
    color: var(--gray-400);
}

.hero-ai-submit {
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border: 2px solid var(--border-main);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.hero-ai-submit:hover {
    background: var(--primary-dark);
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 var(--border-main);
}

/* AI Examples */
.hero-ai-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
    justify-content: center;
}

.hero-ai-example {
    padding: 8px 16px;
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.hero-ai-example:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

/* Hero CTA Buttons */
.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 36px;
    background: var(--primary);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border: 3px solid var(--border-main);
    box-shadow: 6px 6px 0 var(--border-main);
    transition: all 0.15s;
}

.hero-cta-primary:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--border-main);
}

.hero-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 36px;
    background: white;
    color: var(--dark);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border: 3px solid var(--border-main);
    box-shadow: 6px 6px 0 var(--border-main);
    transition: all 0.15s;
}

.hero-cta-secondary:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--border-main);
    background: var(--gray-50);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-top: 4px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-ai-input-wrapper {
        flex-direction: column;
        gap: 12px;
    }
    
    .hero-ai-submit {
        width: 100%;
        justify-content: center;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta-primary,
    .hero-cta-secondary {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }
    
    .hero-stats {
        gap: 32px;
    }
    
    .hero-shape {
        display: none;
    }
}

/* ========================================
   6단계: Trust 섹션
   ======================================== */

/* Trust Section Container */
.trust-section {
    padding: 60px 0;
    background: var(--dark);
    border-top: 3px solid var(--border-main);
    border-bottom: 3px solid var(--border-main);
    overflow: hidden;
}

/* Trust Header */
.trust-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 0 24px;
}

.trust-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 0.85rem;
    color: white;
}

.trust-badge i {
    color: var(--accent);
}

.trust-badge-free {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    font-weight: 600;
}

/* Logo Marquee */
.trust-marquee {
    position: relative;
    overflow: hidden;
    padding: 20px 0;
}

.trust-marquee::before,
.trust-marquee::after {
    content: '';
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.trust-marquee::before {
    left: 0;
    background: linear-gradient(to right, var(--dark), transparent);
}

.trust-marquee::after {
    right: 0;
    background: linear-gradient(to left, var(--dark), transparent);
}

.trust-marquee-track {
    display: flex;
    animation: marqueeScroll 30s linear infinite;
}

.trust-marquee:hover .trust-marquee-track {
    animation-play-state: paused;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.trust-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 50px;
    flex-shrink: 0;
    opacity: 0.6;
    transition: opacity 0.3s;
    filter: grayscale(100%) brightness(2);
}

.trust-logo-item:hover {
    opacity: 1;
    filter: grayscale(0%) brightness(1);
}

.trust-logo-item svg {
    height: 32px;
    width: auto;
}

.trust-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

/* Bottom Stats Bar */
.trust-stats-bar {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
    padding: 0 24px;
    flex-wrap: wrap;
}

.trust-stat-item {
    text-align: center;
}

.trust-stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    line-height: 1;
}

.trust-stat-number span {
    color: var(--primary);
}

.trust-stat-label {
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-top: 4px;
}

/* Responsive */
@media (max-width: 768px) {
    .trust-badges {
        gap: 10px;
    }
    
    .trust-badge {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
    
    .trust-stats-bar {
        gap: 30px;
    }
    
    .trust-stat-number {
        font-size: 1.5rem;
    }
    
    .trust-logo-item {
        padding: 0 30px;
    }
    
    .trust-logo-text {
        font-size: 1.2rem;
    }
}

/* ========================================
   7단계: 문제-해결책 섹션
   ======================================== */

.problem-section {
    padding: 120px 0;
    background: var(--light);
    position: relative;
    overflow: hidden;
}

.problem-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

.problem-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.problem-header {
    text-align: center;
    margin-bottom: 80px;
}

.problem-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid #ef4444;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #ef4444;
    margin-bottom: 24px;
}

.problem-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.problem-subtitle {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Before/After Grid */
.problem-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
    align-items: stretch;
}

/* Before Card */
.problem-before {
    background: #fef2f2;
    border: 3px solid #ef4444;
    box-shadow: 8px 8px 0 #ef4444;
    padding: 40px;
    position: relative;
}

.problem-before-label {
    position: absolute;
    top: -15px;
    left: 30px;
    padding: 6px 20px;
    background: #ef4444;
    color: white;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.problem-before-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #991b1b;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.problem-before-title i {
    color: #ef4444;
}

.problem-before-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.problem-before-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px dashed #fca5a5;
    color: #7f1d1d;
}

.problem-before-item:last-child {
    border-bottom: none;
}

.problem-before-item i {
    color: #ef4444;
    flex-shrink: 0;
    margin-top: 2px;
}

.problem-before-item strong {
    display: block;
    color: #991b1b;
    margin-bottom: 4px;
}

/* Arrow Divider */
.problem-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
}

.problem-arrow-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: 3px solid var(--border-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 4px 4px 0 var(--border-main);
}

.problem-arrow-icon i {
    color: white;
}

/* After Card */
.problem-after {
    background: #f0fdf4;
    border: 3px solid #22c55e;
    box-shadow: 8px 8px 0 #22c55e;
    padding: 40px;
    position: relative;
}

.problem-after-label {
    position: absolute;
    top: -15px;
    left: 30px;
    padding: 6px 20px;
    background: #22c55e;
    color: white;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.problem-after-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #166534;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.problem-after-title i {
    color: #22c55e;
}

.problem-after-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.problem-after-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px dashed #86efac;
    color: #14532d;
}

.problem-after-item:last-child {
    border-bottom: none;
}

.problem-after-item i {
    color: #22c55e;
    flex-shrink: 0;
    margin-top: 2px;
}

.problem-after-item strong {
    display: block;
    color: #166534;
    margin-bottom: 4px;
}

/* Bottom CTA */
.problem-cta {
    text-align: center;
    margin-top: 60px;
}

.problem-cta-text {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: 24px;
}

.problem-cta-text strong {
    color: var(--primary);
}

/* Responsive */
@media (max-width: 1024px) {
    .problem-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .problem-arrow {
        transform: rotate(90deg);
    }
    
    .problem-before,
    .problem-after {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .problem-section {
        padding: 80px 0;
    }
    
    .problem-header {
        margin-bottom: 50px;
    }
}

/* ========================================
   8단계: 핵심 기능 섹션
   ======================================== */

.features-section {
    padding: 120px 0;
    background: white;
    position: relative;
}

.features-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.features-header {
    text-align: center;
    margin-bottom: 80px;
}

.features-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 2px solid var(--primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
}

.features-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.features-subtitle {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

/* Feature Card */
.feature-card {
    background: white;
    border: 3px solid var(--border-main);
    box-shadow: 8px 8px 0 var(--border-main);
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0 var(--border-main);
}

.feature-card-bg {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    opacity: 0.05;
    transition: all 0.5s;
}

.feature-card:hover .feature-card-bg {
    opacity: 0.1;
    transform: scale(1.2);
}

.feature-card-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 4rem;
    font-weight: 900;
    color: var(--gray-100);
    line-height: 1;
}

.feature-card-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--border-main);
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.feature-card-icon i {
    width: 32px;
    height: 32px;
}

.feature-card:nth-child(1) .feature-card-icon {
    background: linear-gradient(135deg, #6366f1, #818cf8);
    color: white;
}

.feature-card:nth-child(2) .feature-card-icon {
    background: linear-gradient(135deg, #a855f7, #c084fc);
    color: white;
}

.feature-card:nth-child(3) .feature-card-icon {
    background: linear-gradient(135deg, #f97316, #fb923c);
    color: white;
}

.feature-card:nth-child(4) .feature-card-icon {
    background: linear-gradient(135deg, #22c55e, #4ade80);
    color: white;
}

.feature-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.feature-card-desc {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.feature-card-list {
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
    z-index: 1;
}

.feature-card-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--gray-700);
}

.feature-card-list li i {
    width: 18px;
    height: 18px;
    color: var(--primary);
}

/* Feature Demo Preview */
.feature-demo {
    margin-top: 24px;
    padding: 20px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    position: relative;
    z-index: 1;
}

.feature-demo-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.feature-demo-content {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.feature-demo-item {
    padding: 8px 16px;
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--gray-600);
    cursor: grab;
    transition: all 0.2s;
}

.feature-demo-item:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .features-section {
        padding: 80px 0;
    }
    
    .features-header {
        margin-bottom: 50px;
    }
    
    .feature-card {
        padding: 30px;
    }
    
    .feature-card-number {
        font-size: 3rem;
    }
}

/* ========================================
   9단계: AI 기능 섹션 (독자 개발)
   ======================================== */

.ai-section {
    padding: 120px 0;
    background: linear-gradient(180deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    position: relative;
    overflow: hidden;
}

.ai-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

/* AI Background Effects */
.ai-bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    pointer-events: none;
}

.ai-bg-orb-1 {
    top: 10%;
    left: 10%;
    width: 400px;
    height: 400px;
    background: var(--primary);
    animation: orbFloat 15s ease-in-out infinite;
}

.ai-bg-orb-2 {
    bottom: 20%;
    right: 10%;
    width: 300px;
    height: 300px;
    background: var(--secondary);
    animation: orbFloat 20s ease-in-out infinite reverse;
}

.ai-bg-orb-3 {
    top: 50%;
    left: 50%;
    width: 500px;
    height: 500px;
    background: var(--accent);
    opacity: 0.15;
    animation: orbFloat 25s ease-in-out infinite;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.ai-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* AI Header */
.ai-header {
    text-align: center;
    margin-bottom: 80px;
}

.ai-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.ai-label i {
    color: var(--accent);
}

.ai-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: white;
    margin-bottom: 24px;
    line-height: 1.1;
}

.ai-title-gradient {
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #f97316 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ai-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* AI Features Grid */
.ai-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 80px;
}

.ai-feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.ai-feature-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
    transform: translateY(-5px);
}

.ai-feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 16px;
}

.ai-feature-icon i {
    width: 32px;
    height: 32px;
    color: white;
}

.ai-feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
}

.ai-feature-desc {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

/* AI Demo Section */
.ai-demo-section {
    margin-bottom: 80px;
}

.ai-demo-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-align: center;
    margin-bottom: 40px;
}

.ai-demo-container {
    background: rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.ai-demo-header {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-demo-dots {
    display: flex;
    gap: 8px;
}

.ai-demo-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.ai-demo-dot:nth-child(1) { background: #ef4444; }
.ai-demo-dot:nth-child(2) { background: #eab308; }
.ai-demo-dot:nth-child(3) { background: #22c55e; }

.ai-demo-tab {
    margin-left: 20px;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.3);
    border-radius: 6px;
    font-size: 0.85rem;
    color: white;
}

.ai-demo-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 400px;
}

.ai-demo-input-side {
    padding: 32px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-demo-input-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.ai-demo-textarea {
    width: 100%;
    height: 150px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 16px;
    font-size: 1rem;
    font-family: inherit;
    color: white;
    resize: none;
    outline: none;
    transition: all 0.3s;
}

.ai-demo-textarea:focus {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.ai-demo-textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.ai-demo-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.ai-demo-example-btn {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.2s;
}

.ai-demo-example-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.ai-demo-generate {
    margin-top: 24px;
    width: 100%;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
}

.ai-demo-generate:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.ai-demo-output-side {
    padding: 32px;
    background: rgba(255, 255, 255, 0.02);
}

.ai-demo-output-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-demo-output-label .live-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: livePulse 2s infinite;
}

@keyframes livePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.ai-demo-preview {
    background: white;
    border-radius: 12px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.ai-demo-preview-placeholder {
    text-align: center;
}

.ai-demo-preview-placeholder i {
    width: 48px;
    height: 48px;
    color: var(--gray-300);
    margin-bottom: 12px;
}

/* Performance Comparison */
.ai-performance {
    margin-bottom: 60px;
}

.ai-performance-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-align: center;
    margin-bottom: 40px;
}

.ai-performance-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.ai-performance-card {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.ai-performance-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.ai-performance-metric {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #22c55e, #4ade80);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.ai-performance-label {
    font-size: 1rem;
    color: white;
    font-weight: 600;
    margin-bottom: 8px;
}

.ai-performance-compare {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.ai-performance-compare span {
    color: #22c55e;
    font-weight: 600;
}

/* AI Tech Stack */
.ai-tech {
    text-align: center;
}

.ai-tech-title {
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 24px;
}

.ai-tech-badges {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.ai-tech-badge {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-tech-badge i {
    color: var(--primary);
}

/* Responsive */
@media (max-width: 1024px) {
    .ai-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ai-demo-body {
        grid-template-columns: 1fr;
    }
    
    .ai-demo-input-side {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .ai-performance-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .ai-section {
        padding: 80px 0;
    }
    
    .ai-features-grid {
        grid-template-columns: 1fr;
    }
    
    .ai-performance-grid {
        grid-template-columns: 1fr;
    }
    
    .ai-performance-metric {
        font-size: 2.5rem;
    }
}

/* ========================================
   10단계: 템플릿 & 에셋 갤러리
   ======================================== */

.templates-section {
    padding: 120px 0;
    background: var(--light);
    position: relative;
}

.templates-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.templates-header {
    text-align: center;
    margin-bottom: 60px;
}

.templates-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(168, 85, 247, 0.1);
    border: 2px solid var(--secondary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 24px;
}

.templates-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.templates-subtitle {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.templates-badge {
    display: inline-block;
    margin-top: 16px;
    padding: 8px 20px;
    background: var(--accent);
    color: white;
    font-size: 0.9rem;
    font-weight: 700;
    border: 2px solid var(--border-main);
    box-shadow: 4px 4px 0 var(--border-main);
}

/* Category Tabs */
.templates-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.templates-tab {
    padding: 12px 24px;
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.templates-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.templates-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Templates Grid */
.templates-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

/* Template Card */
.template-card {
    background: white;
    border: 3px solid var(--border-main);
    box-shadow: 6px 6px 0 var(--border-main);
    overflow: hidden;
    transition: all 0.3s;
    position: relative;
}

.template-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 10px 10px 0 var(--border-main);
}

.template-preview {
    height: 180px;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    position: relative;
    overflow: hidden;
}

.template-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.template-card:hover .template-preview-img {
    transform: scale(1.05);
}

.template-preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: opacity 0.3s;
}

.template-card:hover .template-preview-overlay {
    opacity: 1;
}

.template-preview-btn {
    padding: 10px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 2px solid white;
    cursor: pointer;
    transition: all 0.2s;
}

.template-preview-btn-primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.template-preview-btn-secondary {
    background: transparent;
    color: white;
}

.template-preview-btn:hover {
    transform: scale(1.05);
}

.template-info {
    padding: 20px;
}

.template-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 8px;
}

.template-name {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--dark);
}

.template-desc {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.template-badge-new {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    background: var(--accent);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    z-index: 1;
}

.template-badge-popular {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    background: #22c55e;
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    z-index: 1;
}

/* View More Button */
.templates-more {
    text-align: center;
}

.templates-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    background: white;
    color: var(--dark);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: 3px solid var(--border-main);
    box-shadow: 6px 6px 0 var(--border-main);
    transition: all 0.15s;
}

.templates-more-btn:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--border-main);
}

/* Responsive */
@media (max-width: 1200px) {
    .templates-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .templates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .templates-section {
        padding: 80px 0;
    }
    
    .templates-grid {
        grid-template-columns: 1fr;
    }
    
    .templates-tabs {
        gap: 8px;
    }
    
    .templates-tab {
        padding: 10px 18px;
        font-size: 0.85rem;
    }
}

/* ========================================
   11단계: 작동 방식 섹션
   ======================================== */

.howit-section {
    padding: 120px 0;
    background: white;
    position: relative;
    overflow: hidden;
}

.howit-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.howit-header {
    text-align: center;
    margin-bottom: 80px;
}

.howit-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(34, 197, 94, 0.1);
    border: 2px solid #22c55e;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #22c55e;
    margin-bottom: 24px;
}

.howit-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.howit-subtitle {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Steps Container */
.howit-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
}

/* Connection Line */
.howit-steps::before {
    content: '';
    position: absolute;
    top: 80px;
    left: 20%;
    right: 20%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    z-index: 0;
}

/* Step Card */
.howit-step {
    background: white;
    border: 3px solid var(--border-main);
    box-shadow: 8px 8px 0 var(--border-main);
    padding: 40px 30px;
    text-align: center;
    position: relative;
    z-index: 1;
    transition: all 0.3s;
}

.howit-step:hover {
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0 var(--border-main);
}

.howit-step-number {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    color: white;
    border: 4px solid var(--border-main);
    position: relative;
}

.howit-step:nth-child(1) .howit-step-number {
    background: var(--primary);
}

.howit-step:nth-child(2) .howit-step-number {
    background: var(--secondary);
}

.howit-step:nth-child(3) .howit-step-number {
    background: var(--accent);
}

.howit-step-icon {
    position: absolute;
    bottom: -10px;
    right: -10px;
    width: 36px;
    height: 36px;
    background: white;
    border: 3px solid var(--border-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.howit-step-icon i {
    width: 18px;
    height: 18px;
}

.howit-step-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--dark);
}

.howit-step-desc {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 20px;
}

.howit-step-example {
    padding: 16px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 0.9rem;
    color: var(--gray-700);
    font-style: italic;
}

/* Responsive */
@media (max-width: 1024px) {
    .howit-steps {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .howit-steps::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .howit-section {
        padding: 80px 0;
    }
    
    .howit-step {
        padding: 30px 24px;
    }
}

/* ========================================
   12단계: 가격 정책 섹션
   ======================================== */

.pricing-section {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--light) 0%, #f0f4ff 100%);
    position: relative;
}

.pricing-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 60px;
}

.pricing-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(249, 115, 22, 0.1);
    border: 2px solid var(--accent);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 24px;
}

.pricing-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: 16px;
    line-height: 1.1;
}

.pricing-title-free {
    display: block;
    font-size: clamp(4rem, 12vw, 8rem);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.05em;
}

.pricing-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Pricing Card */
.pricing-card {
    background: white;
    border: 4px solid var(--border-main);
    box-shadow: 12px 12px 0 var(--border-main);
    padding: 50px;
    margin-bottom: 50px;
    position: relative;
}

.pricing-card-badge {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 30px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 1rem;
    font-weight: 700;
    border: 3px solid var(--border-main);
}

.pricing-card-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 3px dashed var(--gray-200);
}

.pricing-card-price {
    font-size: 5rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.pricing-card-price-label {
    font-size: 1.25rem;
    color: var(--gray-500);
    margin-top: 8px;
}

.pricing-card-desc {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-top: 16px;
}

/* Features Grid */
.pricing-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
}

.pricing-feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #22c55e;
    border-radius: 10px;
    flex-shrink: 0;
}

.pricing-feature-icon i {
    width: 20px;
    height: 20px;
    color: white;
}

.pricing-feature-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
}

/* CTA */
.pricing-cta {
    text-align: center;
}

.pricing-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    border: 4px solid var(--border-main);
    box-shadow: 8px 8px 0 var(--border-main);
    transition: all 0.15s;
}

.pricing-cta-btn:hover {
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0 var(--border-main);
}

.pricing-cta-note {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* Comparison */
.pricing-comparison {
    margin-top: 60px;
    padding: 40px;
    background: rgba(239, 68, 68, 0.05);
    border: 3px solid rgba(239, 68, 68, 0.3);
    border-radius: 16px;
    text-align: center;
}

.pricing-comparison-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ef4444;
    margin-bottom: 24px;
}

.pricing-comparison-items {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.pricing-comparison-item {
    text-align: center;
}

.pricing-comparison-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 4px;
}

.pricing-comparison-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ef4444;
    text-decoration: line-through;
}

/* Responsive */
@media (max-width: 768px) {
    .pricing-section {
        padding: 80px 0;
    }
    
    .pricing-card {
        padding: 30px;
    }
    
    .pricing-card-price {
        font-size: 3.5rem;
    }
    
    .pricing-features {
        grid-template-columns: 1fr;
    }
    
    .pricing-comparison-items {
        gap: 20px;
    }
}

/* ========================================
   13단계: FAQ 섹션
   ======================================== */

.faq-section {
    padding: 120px 0;
    background: white;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.faq-header {
    text-align: center;
    margin-bottom: 60px;
}

.faq-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 2px solid var(--primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
}

.faq-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.faq-subtitle {
    font-size: 1.1rem;
    color: var(--gray-600);
}

/* FAQ Items */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: white;
    border: 3px solid var(--border-main);
    box-shadow: 4px 4px 0 var(--border-main);
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    box-shadow: 6px 6px 0 var(--border-main);
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: 6px 6px 0 var(--primary);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    cursor: pointer;
    background: white;
    transition: background 0.2s;
}

.faq-question:hover {
    background: var(--gray-50);
}

.faq-question-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
    padding-right: 20px;
}

.faq-question-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: 50%;
    flex-shrink: 0;
    transition: all 0.3s;
}

.faq-item.active .faq-question-icon {
    background: var(--primary);
    color: white;
    transform: rotate(180deg);
}

.faq-question-icon i {
    width: 20px;
    height: 20px;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 24px 24px;
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.faq-answer-content a {
    color: var(--primary);
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .faq-section {
        padding: 80px 0;
    }
    
    .faq-question {
        padding: 20px;
    }
    
    .faq-question-text {
        font-size: 1rem;
    }
}

/* ========================================
   14단계: 최종 CTA 섹션
   ======================================== */

.cta-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 60%);
    pointer-events: none;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    color: white;
    margin-bottom: 24px;
    line-height: 1.1;
}

.cta-title span {
    display: block;
    background: linear-gradient(135deg, #6366f1, #a855f7, #f97316);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 48px;
    line-height: 1.6;
}

.cta-form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto 24px;
}

.cta-input {
    flex: 1;
    padding: 18px 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    font-size: 1rem;
    color: white;
    outline: none;
    transition: all 0.3s;
}

.cta-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.cta-input:focus {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.cta-submit {
    padding: 18px 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 700;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    white-space: nowrap;
}

.cta-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.cta-note {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

.cta-note i {
    color: #22c55e;
}

/* ========================================
   15단계: Footer
   ======================================== */

.footer {
    background: #0a0a0a;
    color: white;
    padding: 80px 0 40px;
    border-top: 3px solid var(--primary);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo-icon {
    width: 48px;
    height: 48px;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-logo-text span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-desc {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: white;
    transition: all 0.2s;
}

.footer-social-link:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-nav-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

.footer-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav-list li {
    margin-bottom: 12px;
}

.footer-nav-list a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.footer-nav-list a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-legal a:hover {
    color: white;
}

/* Responsive */
@media (max-width: 1024px) {
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .cta-section {
        padding: 80px 0;
    }
    
    .cta-form {
        flex-direction: column;
    }
    
    .footer {
        padding: 60px 0 30px;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}