/* ================================================================
   T-ROH Corporate Website — CSS
   Design: Light premium biotech/medtech style
   Clean white + soft gray + navy/teal accents
   ================================================================ */

/* ── CSS Custom Properties ── */
:root {
    --navy: #0B1426;
    --navy-deep: #060D1A;
    --navy-light: #1A2744;
    --navy-mid: #162240;
    --teal: #1E9A8A;
    --teal-light: #28B5A3;
    --teal-dark: #177A6E;
    --teal-glow: rgba(30, 154, 138, 0.10);
    --teal-glow-strong: rgba(30, 154, 138, 0.18);
    --white: #FFFFFF;
    --gray-50: #F8FAFB;
    --gray-100: #F1F4F7;
    --gray-200: #E2E7EB;
    --gray-300: #C8D0D8;
    --gray-400: #97A3B0;
    --gray-500: #6B7A8D;
    --gray-600: #4A5568;
    --gray-700: #2D3748;
    --bg-primary: #FFFFFF;
    --bg-section-alt: #F5F7FA;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F8FAFB;
    --border-light: #E2E7EB;
    --border-subtle: #EDF0F3;
    --text-primary: #1A202C;
    --text-secondary: #4A5568;
    --text-muted: #8896A6;
    --text-on-dark: #FFFFFF;
    --text-on-dark-secondary: rgba(255,255,255,0.75);
    --text-on-dark-muted: rgba(255,255,255,0.45);
    --font-main: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', monospace;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
    --shadow-card: 0 2px 8px rgba(0,0,0,0.05), 0 1px 3px rgba(0,0,0,0.04);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 48px;
}

/* ── Scroll Animations ── */
[data-animate] { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
[data-animate].visible { opacity: 1; transform: translateY(0); }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--teal);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(30, 154, 138, 0.25);
}
.btn-primary:hover {
    background: var(--teal-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(30, 154, 138, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-light);
}
.btn-outline:hover {
    border-color: var(--teal);
    color: var(--teal);
    background: rgba(30, 154, 138, 0.04);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 14px 16px;
}
.btn-ghost:hover { color: var(--teal); }
.btn-ghost i { transition: transform 0.3s; }
.btn-ghost:hover i { transform: translateX(4px); }

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 16px;
    font-size: 1rem;
}

/* ══════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: var(--white);
    border-bottom: 1px solid var(--border-subtle);
}
.nav.scrolled {
    padding: 10px 0;
    box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: var(--teal);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--white);
}

.logo-text-group { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text { font-weight: 800; font-size: 1.15rem; letter-spacing: 1px; color: var(--text-primary); }
.logo-sub { font-size: 0.6rem; color: var(--text-muted); font-weight: 400; letter-spacing: 0; }

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-menu li a {
    padding: 8px 14px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
}

.nav-cta {
    background: var(--teal) !important;
    color: var(--white) !important;
    border-radius: 50px !important;
    padding: 8px 20px !important;
}


.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Language Toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0;
    margin-left: 16px;
    flex-shrink: 0;
}
.lang-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    padding: 5px 8px;
    border-radius: 4px;
    transition: var(--transition);
}
.lang-btn:hover {
    color: var(--teal);
}
.lang-btn.active {
    color: var(--teal);
    background: rgba(30, 154, 138, 0.08);
}
.lang-divider {
    color: var(--gray-300);
    font-size: 0.7rem;
    user-select: none;
}

/* ══════════════════════════════════════════
   HERO SECTION — light background
   ══════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 120px 0 0;
    overflow: hidden;
    background: var(--bg-section-alt);
    color: var(--text-primary);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg canvas {
    width: 100%;
    height: 100%;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(245,247,250,0.92) 0%,
        rgba(245,247,250,0.7) 50%,
        rgba(245,247,250,0.5) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(30, 154, 138, 0.08);
    border: 1px solid rgba(30, 154, 138, 0.2);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--teal);
    letter-spacing: 0.5px;
    margin-bottom: 24px;
}
.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--teal);
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}
.hero-title .highlight {
    background: linear-gradient(135deg, var(--teal), var(--teal-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

/* Hero Partners */
.hero-partners {
    border-top: 1px solid var(--border-light);
    padding-top: 24px;
}
.partners-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 16px;
    font-weight: 500;
}
.partners-logos {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.partner-logo {
    width: 100px;
    height: 60px;
    padding: 3px;
    background: var(--white);
    border-radius: 8px;
    object-fit: contain;
    object-position: center;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
}
.partner-logo[alt="Seoul National University"] {
    padding: 0px;
}

/* Hero Visual */
.hero-right { position: relative; }
.hero-visual { position: relative; }
.hero-image {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}
.hero-particles-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
    pointer-events: none;
    z-index: 2;
}
.hero-visual-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(30,154,138,0.06) 0%, transparent 70%);
    pointer-events: none;
}

/* Hero Stats Bar */
.hero-stats-bar {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    padding: 32px 24px;
    margin-top: 48px;
    background: var(--white);
    border-top: 1px solid var(--border-subtle);
    box-shadow: 0 -1px 0 var(--border-subtle);
}

.stat-item {
    text-align: center;
    padding: 0 48px;
}
.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--teal);
    display: inline;
}
.stat-plus {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--teal);
}
.stat-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 400;
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-light);
}

/* ══════════════════════════════════════════
   SECTION BASE STYLES
   ══════════════════════════════════════════ */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}
.section-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--teal);
    margin-bottom: 16px;
    padding: 4px 16px;
    border: 1px solid rgba(30, 154, 138, 0.25);
    border-radius: 50px;
    background: rgba(30, 154, 138, 0.05);
}
.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}
.section-title .highlight {
    background: linear-gradient(135deg, var(--teal), var(--teal-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}
.subsection-title {
    font-size: 1.15rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 32px;
    color: var(--text-secondary);
}

/* ══════════════════════════════════════════
   PROBLEM SECTION
   ══════════════════════════════════════════ */
.section-problem {
    background: var(--bg-section-alt);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}
.problem-card:hover {
    border-color: var(--teal);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.problem-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(30, 154, 138, 0.08);
    color: var(--teal);
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.problem-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.problem-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ══════════════════════════════════════════
   SOLUTION SECTION
   ══════════════════════════════════════════ */
.section-solution {
    background: var(--bg-primary);
}

.solution-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.solution-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}
.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--teal), var(--teal-light));
    opacity: 0;
    transition: var(--transition);
}
.solution-card:hover { transform: translateY(-6px); border-color: var(--teal); box-shadow: var(--shadow-lg); }
.solution-card:hover::before { opacity: 1; }

.solution-card.featured {
    border-color: var(--border-subtle);
    background: var(--bg-card);
}

.solution-number {
    font-size: 3rem;
    font-weight: 800;
    color: rgba(30, 154, 138, 0.1);
    line-height: 1;
    margin-bottom: 8px;
}

.solution-icon-wrap {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}
.solution-svg { width: 100%; height: 100%; }

.solution-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}
.solution-en {
    display: block;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
}

.solution-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 16px;
}

.solution-features {
    margin-bottom: 20px;
}
.solution-features li {
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}
.solution-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--teal);
    opacity: 0.6;
}

.solution-stage {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--teal);
    padding: 5px 12px;
    background: rgba(30, 154, 138, 0.08);
    border-radius: 50px;
    letter-spacing: 0.3px;
}

/* Integration Flow */
.integration-flow {
    background: var(--bg-section-alt);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
}
.integration-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.flow-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    min-width: 120px;
}
.flow-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: rgba(30, 154, 138, 0.08);
    border: 1px solid rgba(30, 154, 138, 0.18);
    color: var(--teal);
    font-size: 1.3rem;
    transition: var(--transition);
}
.flow-step:hover .flow-icon {
    background: rgba(30, 154, 138, 0.15);
    transform: scale(1.05);
}
.flow-step.result .flow-icon {
    background: var(--teal);
    color: var(--white);
    border-color: var(--teal);
}
.flow-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.4;
    font-weight: 500;
}
.flow-connector {
    color: var(--teal);
    opacity: 0.4;
    font-size: 0.9rem;
}

/* ══════════════════════════════════════════
   TECHNOLOGY SECTION
   ══════════════════════════════════════════ */
.section-technology {
    background: var(--bg-section-alt);
}

.tech-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}
.tech-block:last-child { margin-bottom: 0; }
.tech-block.reverse { direction: rtl; }
.tech-block.reverse > * { direction: ltr; }

/* Tech block full-width variant (Tech 03 — TPS) */
.tech-block.tech-block-fullwidth {
    grid-template-columns: 1fr !important;
    gap: 40px;
}
.tech-block.tech-block-fullwidth .tech-visual.tech-visual-dual {
    flex-direction: column;
    align-items: stretch;
    gap: 28px;
    width: 100%;
    min-height: auto;
}
.tech-block.tech-block-fullwidth .diagram-tps {
    flex-direction: row !important;
    width: 100% !important;
    gap: 16px;
}
.tech-block.tech-block-fullwidth .tps-arrow-right svg {
    transform: none !important;
}
.tech-block.tech-block-fullwidth .tps-photo {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}
.tech-block.tech-block-fullwidth .tps-photo-img {
    width: 100% !important;
    height: auto !important;
    max-height: none !important;
    aspect-ratio: auto !important;
    object-fit: contain !important;
}

.tech-tag {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--teal);
    margin-bottom: 12px;
}

.tech-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
    color: var(--text-primary);
}
.tech-en {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-muted);
}

.tech-content > p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}
.tech-feature {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.tech-feature i { color: var(--teal); margin-top: 3px; font-size: 0.8rem; }

.tech-note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(30, 154, 138, 0.05);
    border-left: 3px solid var(--teal);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
}
.tech-note i { color: var(--teal); margin-top: 2px; }

/* Tech Diagrams */
.tech-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
}
.tech-visual-dual {
    flex-direction: column;
    gap: 20px;
    align-items: center;
}
.tech-real-photos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    width: 100%;
    max-width: 400px;
}
.tech-real-photo {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.tech-photo-img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-card);
    object-fit: cover;
    background: var(--white);
}
.tech-photo-caption {
    display: block;
    margin-top: 6px;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Radioactive Composite Diagram */
.diagram-complex {
    position: relative;
    width: 280px;
    height: 280px;
}
.complex-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--teal);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}
.core-inner {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--white);
}
.core-pulse {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 2px solid var(--teal);
    opacity: 0;
    animation: core-pulse-anim 2s ease-out infinite;
}
@keyframes core-pulse-anim {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.8); opacity: 0; }
}

.complex-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 50%;
    border: 1px dashed rgba(30, 154, 138, 0.2);
}
.orbit-1 {
    width: 180px;
    height: 180px;
    margin: -90px 0 0 -90px;
    animation: orbit-spin 20s linear infinite;
}
.orbit-2 {
    width: 250px;
    height: 250px;
    margin: -125px 0 0 -125px;
    animation: orbit-spin 30s linear infinite reverse;
}
@keyframes orbit-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.orbit-particle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    margin: -4px 0 0 -4px;
}
.orbit-1 .orbit-particle:nth-child(1) { transform: rotate(0deg) translateX(90px); }
.orbit-1 .orbit-particle:nth-child(2) { transform: rotate(120deg) translateX(90px); }
.orbit-1 .orbit-particle:nth-child(3) { transform: rotate(240deg) translateX(90px); }
.orbit-2 .orbit-particle:nth-child(1) { transform: rotate(60deg) translateX(125px); }
.orbit-2 .orbit-particle:nth-child(2) { transform: rotate(180deg) translateX(125px); }
.orbit-2 .orbit-particle:nth-child(3) { transform: rotate(300deg) translateX(125px); }

.orbit-particle span {
    position: absolute;
    white-space: nowrap;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--teal);
    background: var(--bg-card);
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid rgba(30, 154, 138, 0.2);
    box-shadow: var(--shadow-sm);
    transform: rotate(0deg);
    left: 12px;
    top: -8px;
}
.orbit-1 .orbit-particle span { animation: counter-orbit 20s linear infinite; }
.orbit-2 .orbit-particle span { animation: counter-orbit-reverse 30s linear infinite; }
@keyframes counter-orbit { from { transform: rotate(0deg); } to { transform: rotate(-360deg); } }
@keyframes counter-orbit-reverse { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* Microneedle Diagram */
.diagram-microneedle {
    position: relative;
    width: 300px;
    height: 280px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-card);
}

.mn-patch {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}
.mn-needles {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 0;
}
.mn-needle {
    width: 4px;
    height: var(--h, 44px);
    background: linear-gradient(180deg, var(--teal), rgba(30,154,138,0.4));
    border-radius: 0 0 2px 2px;
    position: relative;
    animation: needle-pulse 2s ease-in-out infinite;
    animation-delay: var(--d, 0s);
}
@keyframes needle-pulse {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.05); }
}
.mn-base-plate {
    width: 100px;
    height: 8px;
    background: var(--teal);
    border-radius: 4px;
    margin: 0 auto;
    opacity: 0.8;
}

.mn-tissue {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 180px;
}
.tissue-layer {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.tissue-layer span {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.tissue-layer.epidermis {
    height: 40px;
    background: rgba(30, 154, 138, 0.04);
    color: var(--text-muted);
}
.tissue-layer.dermis {
    height: 60px;
    background: rgba(30, 154, 138, 0.06);
    color: var(--text-muted);
}
.tissue-layer.target {
    height: 80px;
    background: rgba(30, 154, 138, 0.10);
    color: var(--teal);
    border-top: 1px dashed rgba(30, 154, 138, 0.25);
}

.mn-particles-scatter {
    position: absolute;
    inset: 0;
    z-index: 2;
}
.ri-dot {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--teal);
    box-shadow: 0 0 8px var(--teal);
    animation: ri-glow 2s ease-in-out infinite alternate;
}
@keyframes ri-glow {
    0% { opacity: 0.3; transform: scale(0.8); }
    100% { opacity: 0.8; transform: scale(1.2); }
}

/* TPS Diagram */
.diagram-tps {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: 16px;
}
.tps-row {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    text-align: center;
    box-shadow: var(--shadow-card);
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.tps-label {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 10px;
}
.tps-chips {
    display: flex;
    gap: 6px;
    justify-content: center;
    flex-wrap: wrap;
}
.tps-chips span {
    padding: 4px 10px;
    background: var(--gray-100);
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-secondary);
}
.tps-chips .chip-highlight {
    background: rgba(30, 154, 138, 0.1);
    color: var(--teal);
    border: 1px solid rgba(30, 154, 138, 0.2);
}

.tps-engine {
    border-color: rgba(30, 154, 138, 0.25);
    background: rgba(30, 154, 138, 0.03);
}
.tps-engine .tps-label { color: var(--teal); }

.tps-arrow-right {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--teal);
    line-height: 1;
}

/* TPS Photo — full image visible, constrained */
.tps-photo {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}
.tps-photo-img {
    width: 100% !important;
    height: auto !important;
    aspect-ratio: auto !important;
    max-width: 100% !important;
    object-fit: contain !important;
    border-radius: var(--radius-md) !important;
}

/* ══════════════════════════════════════════
   PIPELINE SECTION
   ══════════════════════════════════════════ */
.section-pipeline {
    background: var(--bg-primary);
}

.pipeline-table {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.pipeline-header-row {
    display: grid;
    grid-template-columns: 200px 200px 1fr;
    gap: 16px;
    padding: 16px 28px;
    background: var(--bg-section-alt);
    border-bottom: 1px solid var(--border-subtle);
    align-items: end;
}
.ph-indication, .ph-approach {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
}
.ph-stages {
    display: flex;
    justify-content: space-between;
}
.ph-stages span {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.3;
}
.ph-stages span small {
    display: block;
    font-size: 0.55rem;
    font-weight: 400;
    opacity: 0.6;
}

.pipeline-row {
    display: grid;
    grid-template-columns: 200px 200px 1fr;
    gap: 16px;
    padding: 20px 28px;
    align-items: center;
    border-bottom: 1px solid var(--border-subtle);
    transition: var(--transition);
}
.pipeline-row:last-child { border-bottom: none; }
.pipeline-row:hover { background: var(--bg-section-alt); }

.pr-indication h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}
.pr-indication p {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.pr-badge {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 4px;
}
.pr-badge.priority {
    background: rgba(30, 154, 138, 0.1);
    color: var(--teal);
}
.pr-badge.future {
    background: var(--gray-100);
    color: var(--text-muted);
}

.pr-approach {
    font-size: 0.78rem;
    color: var(--text-secondary);
}
.pr-note {
    display: block;
    margin-top: 4px;
    font-size: 0.7rem;
    color: var(--teal);
    font-weight: 500;
}

.pr-progress { padding: 0 8px; }
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}
.progress-fill {
    height: 100%;
    width: var(--progress, 0%);
    background: linear-gradient(90deg, var(--teal), var(--teal-light));
    border-radius: 4px;
    transition: width 1.5s ease-out;
    position: relative;
}
.progress-fill::after {
    content: '';
    position: absolute;
    right: 0;
    top: -3px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--teal);
    border: 3px solid var(--white);
    box-shadow: 0 0 8px rgba(30, 154, 138, 0.4);
}

.pipeline-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 24px;
    padding: 14px 20px;
    background: var(--bg-section-alt);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
}
.pipeline-disclaimer i { color: var(--teal); margin-top: 2px; }

/* ══════════════════════════════════════════
   VALIDATION SECTION
   ══════════════════════════════════════════ */
.section-validation {
    background: var(--bg-section-alt);
}

.validation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.validation-col {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.validation-col-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 28px;
    border-bottom: 1px solid var(--border-subtle);
}
.validated .validation-col-header,
.demonstrated .validation-col-header { background: rgba(30, 154, 138, 0.05); }
.planned .validation-col-header { background: var(--gray-50); }

.val-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 1rem;
}
.demonstrated .val-icon { background: rgba(30, 154, 138, 0.12); color: var(--teal); }
.planned .val-icon { background: var(--gray-100); color: var(--text-secondary); }

.validation-col-header h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.validation-items { padding: 16px 20px; }

.val-item {
    display: flex;
    gap: 14px;
    padding: 14px 8px;
    border-bottom: 1px solid var(--border-subtle);
    transition: var(--transition);
}
.val-item:last-child { border-bottom: none; }
.val-item:hover { background: var(--gray-50); border-radius: var(--radius-sm); }

.val-item-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--gray-50);
    color: var(--teal);
    font-size: 0.85rem;
}

.val-item-body h4 {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.val-item-body p {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ══════════════════════════════════════════
   BUSINESS MODEL SECTION
   ══════════════════════════════════════════ */
.section-business {
    background: var(--bg-primary);
}

.business-tracks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.business-track {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.track-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    background: var(--bg-section-alt);
    border-bottom: 1px solid var(--border-subtle);
}
.track-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(30, 154, 138, 0.1);
    color: var(--teal);
    font-size: 1.1rem;
}
.track-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}
.track-sub {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
}

.track-steps { padding: 24px 28px; }

.track-step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 12px 0;
    position: relative;
}
.track-step:not(:last-child) {
    border-bottom: 1px solid var(--border-subtle);
}

.step-num {
    width: 28px;
    height: 28px;
    min-width: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(30, 154, 138, 0.1);
    color: var(--teal);
    font-size: 0.75rem;
    font-weight: 700;
}

.step-body h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.step-body p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ══════════════════════════════════════════
   TEAM SECTION
   ══════════════════════════════════════════ */
.section-team {
    background: var(--bg-section-alt);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 64px;
}

.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}
.team-card:hover {
    transform: translateY(-4px);
    border-color: var(--teal);
    box-shadow: var(--shadow-md);
}

.team-avatar {
    margin-bottom: 16px;
}
.avatar-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(30, 154, 138, 0.12), rgba(30, 154, 138, 0.04));
    border: 2px solid rgba(30, 154, 138, 0.2);
    color: var(--teal);
    font-size: 1.3rem;
}
.avatar-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto;
    display: block;
    border: 3px solid rgba(30, 154, 138, 0.2);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.team-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.team-role {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.team-tags {
    display: flex;
    gap: 6px;
    justify-content: center;
    flex-wrap: wrap;
}
.team-tags span {
    font-size: 0.65rem;
    padding: 3px 10px;
    background: var(--gray-100);
    border-radius: 50px;
    color: var(--text-muted);
    font-weight: 500;
}

/* Advisory */
.advisory-section { margin-bottom: 64px; }

.advisory-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.advisory-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}
.advisory-card:hover { border-color: var(--teal); }

.adv-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(30, 154, 138, 0.06);
    color: var(--teal);
    font-size: 1rem;
}
.advisory-card h4 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}
.advisory-card p {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.advisory-card .adv-detail {
    margin-top: 6px;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Collaboration Logos */
.collab-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}
.collab-logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.collab-logo-item img {
    width: 120px;
    height: 72px;
    padding: 4px;
    background: var(--white);
    border-radius: 8px;
    object-fit: contain;
    object-position: center;
    border: 1px solid var(--border-subtle);
}
.collab-logo-item img[alt="Seoul National University"] {
    padding: 0px;
}
.collab-logo-item img[alt="안성열 성형외과피부과의원"] {
    padding: 12px;
}
.collab-logo-item span {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ══════════════════════════════════════════
   CONTACT SECTION
   ══════════════════════════════════════════ */
.section-contact {
    background: var(--bg-primary);
}

.contact-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 32px;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}
.contact-card:hover {
    border-color: var(--teal);
    background: rgba(30, 154, 138, 0.02);
}

.cc-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(30, 154, 138, 0.08);
    color: var(--teal);
    font-size: 1rem;
}
.contact-card h4 {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}
.contact-card p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-card);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full-width { margin-bottom: 20px; }

.form-group label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.form-group label .req { color: var(--teal); }

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--gray-50);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 0.88rem;
    color: var(--text-primary);
    transition: var(--transition);
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--teal);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(30, 154, 138, 0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--white); color: var(--text-primary); }
.form-group textarea { resize: vertical; min-height: 100px; }

.form-note {
    text-align: center;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 12px;
}

/* Form Success */
.form-success {
    text-align: center;
    padding: 48px 24px;
}
.success-icon {
    font-size: 3rem;
    color: var(--teal);
    margin-bottom: 16px;
}
.form-success h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.form-success p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ══════════════════════════════════════════
   MAP SECTION (inside Contact)
   ══════════════════════════════════════════ */
.contact-map-section {
    margin-top: 56px;
    max-width: 60%;
    margin-left: auto;
    margin-right: auto;
}
.map-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}
.map-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}
.map-location-btns {
    display: flex;
    gap: 8px;
}
.map-loc-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.map-loc-btn:hover {
    border-color: var(--teal);
    color: var(--teal);
}
.map-loc-btn.active {
    background: var(--teal);
    border-color: var(--teal);
    color: var(--white);
}
.map-container {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
}
.map-addresses {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 16px;
}
.map-addr-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}
.map-addr-card:hover,
.map-addr-card.active {
    border-color: var(--teal);
    box-shadow: 0 0 0 2px rgba(30, 154, 138, 0.12);
}
.map-addr-icon {
    color: var(--teal);
    font-size: 1.1rem;
    margin-top: 2px;
    flex-shrink: 0;
}
.map-addr-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.map-addr-info strong {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}
.map-addr-info span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Leaflet popup override */
.leaflet-popup-content-wrapper {
    border-radius: 8px !important;
    font-family: var(--font-main) !important;
    font-size: 0.82rem !important;
}
.leaflet-popup-content {
    margin: 10px 14px !important;
    line-height: 1.5 !important;
}

/* Footer address lines */
.footer-addr-line {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
    line-height: 1.5;
}
.footer-addr-line i {
    color: var(--teal);
    margin-right: 6px;
    width: 14px;
    text-align: center;
}

/* ══════════════════════════════════════════
   FOOTER — stays dark for contrast
   ══════════════════════════════════════════ */
.footer {
    background: var(--bg-section-alt);
    padding: 64px 0 32px;
    border-top: 1px solid var(--border-light);
    color: var(--text-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-light);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.footer-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}
.footer-company-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

.footer-brand > p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

.footer-partners {
    display: flex;
    gap: 16px;
    align-items: center;
}
.footer-partner-logo {
    height: 30px;
    width: auto;
    object-fit: contain;
}

.footer-links h5 {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}
.footer-links ul li {
    margin-bottom: 8px;
}
.footer-links ul li a {
    font-size: 0.82rem;
    color: var(--text-muted);
}
.footer-links ul li a:hover { color: var(--teal); }

.footer-contact-info h5 {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}
.footer-contact-info p {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.footer-contact-info p i { color: var(--teal); margin-top: 3px; font-size: 0.85rem; }

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}
.footer-bottom p {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.footer-disclaimer {
    margin-top: 8px;
    font-size: 0.68rem !important;
    opacity: 0.6;
}

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */

/* Tablet */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-left { order: 1; }
    .hero-right { order: 0; }
    .hero-ctas { justify-content: center; }
    .hero-partners { text-align: center; }
    .partners-logos { justify-content: center; }
    .hero-image { max-width: 500px; margin: 0 auto; }
    
    .hero-stats-bar { flex-wrap: wrap; gap: 24px; }
    .stat-divider { display: none; }
    .stat-item { padding: 0 24px; }
    
    .problem-grid { grid-template-columns: repeat(2, 1fr); }
    .solution-cards { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
    
    .tech-block,
    .tech-block.reverse { grid-template-columns: 1fr; direction: ltr; gap: 40px; }
    .tech-block.reverse > * { direction: ltr; }
    .tech-visual { min-height: 260px; }
    
    .pipeline-header-row,
    .pipeline-row { grid-template-columns: 1fr; gap: 8px; padding: 16px 20px; }
    .ph-stages { display: none; }
    .pr-progress { padding: 0; }
    
    .validation-grid { grid-template-columns: 1fr; }
    .business-tracks { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .advisory-grid { grid-template-columns: repeat(2, 1fr); }
    
    .contact-layout { grid-template-columns: 1fr; }
    .contact-cards {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* Mobile */
@media (max-width: 640px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 24px 24px;
        gap: 4px;
        transition: right 0.3s ease;
        box-shadow: -4px 0 32px rgba(0,0,0,0.12);
    }
    .nav-menu.open { right: 0; }
    .nav-menu li { width: 100%; }
    .nav-menu li a { display: block; padding: 12px 16px; width: 100%; color: var(--text-secondary) !important; }

    .nav-toggle { display: flex; z-index: 1001; }
    .lang-toggle { margin-left: auto; margin-right: 12px; }
    
    .hero { padding: 100px 0 0; }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 0.9rem; }
    .hero-ctas { flex-direction: column; align-items: center; }
    .hero-stats-bar { flex-direction: column; gap: 16px; }
    .stat-item { padding: 8px 0; }
    
    .section { padding: 64px 0; }
    .section-title { font-size: 1.7rem; }
    .section-header { margin-bottom: 40px; }
    
    .problem-grid { grid-template-columns: 1fr; }
    
    .flow-steps { flex-direction: column; }
    .flow-connector { transform: rotate(90deg); }
    
    .team-grid { grid-template-columns: 1fr; max-width: 360px; margin-left: auto; margin-right: auto; }
    .advisory-grid { grid-template-columns: 1fr; }
    
    .contact-cards { grid-template-columns: 1fr; }
    .contact-form-wrapper { padding: 24px 16px; }
    .form-row { grid-template-columns: 1fr; }
    
    .map-addresses { grid-template-columns: 1fr; }
    .map-header { flex-direction: column; align-items: flex-start; }
    .contact-map-section { max-width: 100%; }
    
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    
    .collab-logos { gap: 24px; padding: 24px 16px; }
    .collab-logo-item img { width: 100px; height: 58px; padding: 3px; }
    
    
    .diagram-complex { width: 220px; height: 220px; }
    .orbit-1 { width: 140px; height: 140px; margin: -70px 0 0 -70px; }
    .orbit-2 { width: 200px; height: 200px; margin: -100px 0 0 -100px; }
    .orbit-1 .orbit-particle:nth-child(1) { transform: rotate(0deg) translateX(70px); }
    .orbit-1 .orbit-particle:nth-child(2) { transform: rotate(120deg) translateX(70px); }
    .orbit-1 .orbit-particle:nth-child(3) { transform: rotate(240deg) translateX(70px); }
    .orbit-2 .orbit-particle:nth-child(1) { transform: rotate(60deg) translateX(100px); }
    .orbit-2 .orbit-particle:nth-child(2) { transform: rotate(180deg) translateX(100px); }
    .orbit-2 .orbit-particle:nth-child(3) { transform: rotate(300deg) translateX(100px); }
    
    .diagram-microneedle { width: 260px; height: 240px; }
    .diagram-tps { width: 100% !important; flex-direction: column !important; gap: 8px !important; }
    .tech-block.tech-block-fullwidth .diagram-tps { flex-direction: column !important; }
    .tps-arrow-right svg { transform: rotate(90deg) !important; }
    .tech-block.tech-block-fullwidth .tps-arrow-right svg { transform: rotate(90deg) !important; }
    .tps-row { padding: 10px 12px; }
    .tps-label { font-size: 0.6rem; margin-bottom: 6px; }
    .tps-chips span { font-size: 0.6rem; padding: 2px 6px; }
    
    .tech-real-photos { max-width: 300px; gap: 8px; }
    .tech-photo-caption { font-size: 0.62rem; }
}

/* Small Mobile */
@media (max-width: 380px) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 1.65rem; }
    .section-title { font-size: 1.5rem; }
    .partner-logo { width: 80px; height: 50px; padding: 2px; }
    .btn { padding: 12px 20px; font-size: 0.82rem; }
}

/* ── Selection Color ── */
::selection { background: rgba(30, 154, 138, 0.2); color: var(--text-primary); }

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: rgba(30, 154, 138, 0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(30, 154, 138, 0.5); }