:root {
    /* Apple-inspired color palette */
    --primary: #0071e3;
    --primary-dark: #0077ed;
    --secondary: #000000;
    --accent: #06c;
    --gradient-start: #667eea;
    --gradient-end: #764ba2;
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --text-light: #f5f5f7;
    --background: #fbfbfd;
    --surface: rgba(255, 255, 255, 0.72);
    --glass: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.18);
    --shadow: rgba(0, 0, 0, 0.1);
    --focus-gradient-start: #2d2a6d;
    --focus-gradient-end: #5f3dc4;
    --focus-surface: rgba(255, 255, 255, 0.82);
    --focus-border: rgba(45, 42, 109, 0.18);
    --focus-glow: rgba(95, 61, 196, 0.25);
    --focus-accent: #f1c27d;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Pretendard', 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Navigation with Glassmorphism */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--surface);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

nav.scrolled {
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 1px 3px 0 var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section with iridescent video background */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
    padding-top: 80px;
    padding-bottom: 100px;
}

.hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
                radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 40%);
    z-index: 3;
    pointer-events: none;
}

@keyframes floatGradient {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(-30px, -30px) scale(1.1); }
    50% { transform: translate(30px, -30px) scale(0.95); }
    75% { transform: translate(-30px, 30px) scale(1.05); }
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    opacity: 0.7;
    filter: contrast(1.2) brightness(1.1);
    animation: slowZoom 30s ease-in-out infinite alternate;
}

@keyframes slowZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.6) 0%, rgba(118, 75, 162, 0.6) 100%);
    z-index: 2;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 4;
    padding: 40px 20px;
    padding-bottom: 80px;
    position: relative;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    letter-spacing: -1.5px;
    color: white;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    letter-spacing: -0.3px;
    line-height: 1.7;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: white;
    color: var(--primary);
    text-decoration: none;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    border: none;
    margin-bottom: 20px;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: var(--text-light);
}

.scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    z-index: 10;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding: 10px 0;
}

.mouse-wheel {
    width: 3px;
    height: 10px;
    background: white;
    border-radius: 2px;
    animation: scroll 2s infinite;
}

/* Problems Section with glassmorphism cards - 재디자인 */
.problems {
    padding: 120px 0;
    background: linear-gradient(135deg, #f6f9fc 0%, #ffffff 50%, #f0f4f8 100%);
    position: relative;
    overflow: hidden;
}

.problems::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(102, 126, 234, 0.05) 0%, transparent 70%);
    transform: rotate(-20deg);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.problem-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.problem-item {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.problem-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.problem-item:hover::before {
    opacity: 1;
}

.problem-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.check-icon {
    display: block;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    color: white;
}

.problem-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.problem-item p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Solution Section */
.solution {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.solution-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.solution-bg-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.4;
    filter: contrast(1.1) brightness(1.2);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.85) 0%, 
        rgba(249, 250, 251, 0.80) 50%,
        rgba(255, 255, 255, 0.85) 100%);
    backdrop-filter: blur(1px);
}

.solution-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.solution .section-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #111827;
    line-height: 1.2;
}

.solution-subtitle {
    font-size: 1.6rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.solution-desc {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #4B5563;
    margin: 2rem auto 4rem;
    max-width: 700px;
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.solution-feature {
    text-align: center;
    padding: 2rem 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(229, 231, 235, 0.8);
}


.solution-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.12);
    border-color: #2563eb;
}

.solution-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.solution-feature h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.5rem;
}

.solution-feature p {
    color: #6B7280;
    line-height: 1.5;
    font-size: 0.9rem;
}


@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-20px, -20px); }
}

/* Features Section - Impact driven storytelling */
.features {
    padding: 120px 0;
    background:
        radial-gradient(120% 120% at 10% 10%, rgba(102, 126, 234, 0.14), transparent 62%),
        radial-gradient(120% 120% at 90% 0%, rgba(118, 75, 162, 0.12), transparent 55%),
        var(--background);
}

.features-intro {
    max-width: 900px;
    margin: 0 auto 4rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
}

.features-intro .section-title {
    font-size: clamp(2.3rem, 2rem + 1vw, 3rem);
    line-height: 1.18;
    letter-spacing: -0.04em;
    margin: 0;
    white-space: nowrap;
}

.eyebrow {
    display: inline-flex;
    align-self: center;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 1.2rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gradient-end);
    background: rgba(118, 75, 162, 0.1);
    border: 1px solid rgba(118, 75, 162, 0.2);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
}

.intro-copy {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.6rem;
    margin-bottom: 4rem;
}

.metric-card {
    position: relative;
    padding: 2rem;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 40px 80px -60px rgba(18, 28, 87, 0.55);
    backdrop-filter: blur(18px);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    overflow: hidden;
}

.metric-card::after {
    content: '';
    position: absolute;
    inset: -30% -10% auto;
    height: 70%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.25), rgba(118, 75, 162, 0.35));
    filter: blur(50px);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.metric-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 35px 70px -40px rgba(18, 28, 87, 0.6);
}

.metric-card:hover::after {
    opacity: 1;
}

.metric-value {
    display: block;
    font-size: 2.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.metric-label {
    display: block;
    margin-top: 0.4rem;
    font-weight: 600;
    color: var(--text-primary);
}

.metric-card p {
    margin-top: 1.1rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.feature-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.spotlight-card {
    position: relative;
    padding: 2.6rem 2.2rem;
    border-radius: 26px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(246, 247, 252, 0.9) 100%);
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow: 0 45px 80px -60px rgba(19, 27, 74, 0.55);
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.spotlight-card::before {
    content: '';
    position: absolute;
    inset: -40% 30% auto -10%;
    height: 140%;
    background: linear-gradient(130deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.35));
    filter: blur(70px);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.spotlight-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 50px 90px -50px rgba(19, 27, 74, 0.6);
}

.spotlight-card:hover::before {
    opacity: 1;
}

.spotlight-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gradient-start);
    background: rgba(102, 126, 234, 0.12);
    border: 1px solid rgba(102, 126, 234, 0.28);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}

.spotlight-card h3 {
    font-size: 1.45rem;
    color: var(--text-primary);
    line-height: 1.35;
    letter-spacing: -0.03em;
    margin: 0;
    white-space: nowrap;
}

.spotlight-card p {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.65;
    margin: 0;
}

.spotlight-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.spotlight-list li {
    position: relative;
    padding-left: 1.6rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.spotlight-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 0.65rem;
    height: 0.65rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.18);
}

/* Process Section - Structured roadmap */
.process {
    padding: 120px 0;
    background: white;
}

.process .container {
    max-width: 1280px;
    width: min(92vw, 1280px);
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 4vw, 3rem);
}

.process-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
}

.process-header .section-title {
    margin: 0;
    letter-spacing: -0.04em;
}

.process-lede {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: nowrap;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.process-card {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(228, 229, 234, 0.6);
    border-radius: 26px;
    padding: 2.6rem 2.2rem;
    box-shadow: 0 26px 60px -45px rgba(19, 27, 74, 0.3);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.process-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 70px -50px rgba(19, 27, 74, 0.35);
}

.step-head {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.step-index {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.35);
    flex: 0 0 56px;
    aspect-ratio: 1 / 1;
}

.step-tag {
    padding: 0.4rem 1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gradient-end);
    background: rgba(118, 75, 162, 0.1);
    border: 1px solid rgba(118, 75, 162, 0.18);
}

.process-card h3 {
    font-size: 1.35rem;
    margin: 0;
    line-height: 1.35;
    letter-spacing: -0.02em;
}

.process-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.96rem;
    line-height: 1.7;
}

.step-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.step-list li {
    position: relative;
    padding-left: 1.4rem;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.55;
}

.step-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.18);
}

.step-duration {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    background: rgba(102, 126, 234, 0.12);
    color: var(--gradient-start);
    font-size: 0.88rem;
    font-weight: 600;
}


/* Portfolio Section */
.portfolio {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--background) 0%, white 100%);
}

.portfolio-desc {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 60px;
    max-width: 700px;
    margin: 0 auto 60px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.portfolio-item {
    position: relative;
    aspect-ratio: 16/10;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(135deg, #f5f5f5, #e0e0e0);
}

.portfolio-item:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.portfolio-image {
    width: 100%;
    height: 100%;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h4 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.8);
    transform: translateY(20px);
    transition: transform 0.3s ease 0.1s;
}

.portfolio-item:hover .portfolio-overlay h4,
.portfolio-item:hover .portfolio-overlay p {
    transform: translateY(0);
}

/* Final CTA Section with glassmorphism */
.final-cta {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 2px, transparent 2px);
    background-size: 60px 60px;
    animation: floatGrid 15s linear infinite;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.final-cta .section-title {
    color: white;
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
}

.cta-desc {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-primary {
    padding: 1.2rem 3rem;
    background: white;
    color: var(--primary);
    text-decoration: none;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    border: none;
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.cta-secondary {
    padding: 1.2rem 3rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    text-decoration: none;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.cta-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

/* Contact Section */
.contact {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.contact-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    background-image: 
        radial-gradient(circle at 20% 80%, white 2px, transparent 2px),
        radial-gradient(circle at 80% 20%, white 1px, transparent 1px),
        radial-gradient(circle at 50% 50%, white 1px, transparent 1px);
    background-size: 100px 100px, 50px 50px, 25px 25px;
}

.contact-wrapper {
    position: relative;
    z-index: 2;
}

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

.contact-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.contact-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.contact-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.contact-card.highlight {
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    color: white;
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.contact-card.highlight .contact-icon {
    background: white;
    color: #f59e0b;
}

.contact-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.contact-card.highlight h3 {
    color: white;
}

.contact-info {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary);
}

.contact-card.highlight .contact-info {
    color: white;
    font-size: 1.2rem;
}

.contact-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.contact-card.highlight .contact-desc {
    color: rgba(255, 255, 255, 0.9);
}

.contact-cta-btn {
    margin-top: 20px;
    padding: 12px 30px;
    background: white;
    color: #f59e0b;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.contact-footer {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.company-info h4 {
    font-size: 1.5rem;
    color: white;
    margin-bottom: 15px;
    font-weight: 600;
}

.company-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.company-info .copyright {
    margin-top: 20px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Smooth reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scroll {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(10px);
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--background);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--gradient-start), var(--gradient-end));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

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

    .process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .process-card {
        padding: 2.4rem 2rem;
    }

    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

/* Tablet */
@media (max-width: 1024px) {
    .solution .section-title {
        font-size: 2.5rem;
    }
    
    .solution-subtitle {
        font-size: 1.3rem;
    }
    
    .solution-features {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
        margin: 3rem auto 0;
    }
}

@media (max-width: 768px) {
    .solution-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 400px;
    }
}

/* Mobile */
@media (max-width: 640px) {
    nav {
        padding: 0.8rem 1rem;
    }
    
    .hero {
        min-height: 100vh;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .cta-button {
        padding: 0.9rem 2rem;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }
    
    .problem-list {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .problems {
        padding: 80px 20px;
    }
    
    .solution {
        padding: 80px 20px;
        min-height: auto;
    }
    
    .solution .section-title {
        font-size: 2rem;
    }
    
    .solution-subtitle {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }
    
    .solution-desc {
        font-size: 1rem;
        margin: 1.5rem auto 3rem;
    }
    
    .solution-features {
        margin-top: 2rem;
    }
    
    .solution-feature {
        padding: 2rem 1.5rem;
    }
    
    .solution-icon {
        font-size: 2.5rem;
    }
    
    .solution-feature h4 {
        font-size: 1.2rem;
    }
    
    .solution-feature p {
        font-size: 0.9rem;
    }
    
    .features {
        padding: 80px 20px;
    }
    
    .process {
        padding: 80px 20px;
    }
    
    .portfolio {
        padding: 80px 20px;
    }
    
    .final-cta {
        padding: 80px 20px;
    }
}