/* ============================================
   PROCAES 2026 Landing Page — ATOMIKA S.R.L.
   Aesthetic: Dark Nuclear-Tech with Cyan Accents
   ============================================ */

/* --- CSS Variables --- */
:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #0f1422;
    --bg-card: #141a2a;
    --bg-card-hover: #1a2236;
    --bg-highlight: #0d1929;

    --cyan-400: #22d3ee;
    --cyan-500: #06b6d4;
    --cyan-600: #0891b2;
    --cyan-glow: rgba(6, 182, 212, 0.3);
    --yellow-warning: #fbbf24;
    --green-accent: #34d399;

    --text-primary: #f0f4f8;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border-subtle: rgba(148, 163, 184, 0.08);
    --border-glow: rgba(6, 182, 212, 0.2);

    --font-display: 'Sora', sans-serif;
    --font-body: 'Outfit', sans-serif;
    --font-mono: 'Space Mono', monospace;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Particle Canvas */
#particleCanvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* --- Typography --- */
.gradient-text {
    background: linear-gradient(135deg, var(--cyan-400), var(--cyan-600), var(--cyan-400));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--cyan-500), var(--cyan-600));
    color: #fff;
    box-shadow: 0 4px 20px var(--cyan-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 35px rgba(6, 182, 212, 0.45);
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    animation: btnShine 3s ease infinite;
}
@keyframes btnShine {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-glow);
}
.btn-outline:hover {
    background: rgba(6, 182, 212, 0.08);
    border-color: var(--cyan-500);
    transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 14, 23, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 10px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.6rem;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
}
.logo-at { color: var(--text-primary); }
.logo-icon {
    color: var(--yellow-warning);
    font-size: 1.2rem;
    margin: 0 2px;
    filter: drop-shadow(0 0 8px rgba(251, 191, 36, 0.5));
}
.logo-mika { color: var(--text-primary); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}
.nav-links a {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    letter-spacing: 0.02em;
}
.nav-links a:hover { color: var(--cyan-400); }

.btn-nav-cta {
    background: linear-gradient(135deg, var(--cyan-500), var(--cyan-600)) !important;
    color: #fff !important;
    padding: 10px 24px !important;
    border-radius: 50px !important;
    font-weight: 600 !important;
}
.btn-nav-cta:hover { box-shadow: 0 4px 20px var(--cyan-glow); }

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

/* --- Hero --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(6, 182, 212, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 182, 212, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid var(--border-glow);
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--cyan-400);
    margin-bottom: 28px;
    animation: fadeInUp 0.8s ease forwards;
    letter-spacing: 0.03em;
}
.badge-dot {
    width: 8px; height: 8px;
    background: var(--green-accent);
    border-radius: 50%;
    animation: pulse 2s ease infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-family: var(--font-display);
    line-height: 1.05;
    margin-bottom: 12px;
}
.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}
.title-line-1 { font-size: 1.3rem; font-weight: 400; color: var(--text-secondary); animation-delay: 0.1s; text-transform: uppercase; letter-spacing: 0.15em; }
.title-line-2 { font-size: 2.6rem; font-weight: 700; animation-delay: 0.2s; }
.title-line-3 { font-size: 3.5rem; font-weight: 800; animation-delay: 0.3s; }
.title-line-4 { font-size: 4rem; font-weight: 900; animation-delay: 0.4s; }

.hero-version {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.5s forwards;
}
.version-tag {
    background: var(--cyan-500);
    color: #fff;
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 700;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 32px;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s forwards;
    line-height: 1.8;
}
.hero-description strong { color: var(--text-primary); }

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 50px;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.7s forwards;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 28px;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.8s forwards;
}
.stat-item {
    display: flex;
    flex-direction: column;
}
.stat-number {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--cyan-400);
    line-height: 1;
}
.stat-suffix {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-subtle);
}

/* Atom Animation */
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    animation: fadeIn 1.5s ease 0.5s forwards;
}

.atom-container {
    position: relative;
    width: 340px; height: 340px;
}

.atom-nucleus {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    filter: drop-shadow(0 0 30px rgba(251, 191, 36, 0.6));
    animation: nucleusPulse 3s ease infinite;
    z-index: 2;
}
@keyframes nucleusPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.08); }
}

.atom-orbit {
    position: absolute;
    top: 50%; left: 50%;
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 50%;
}

.orbit-1 {
    width: 200px; height: 200px;
    margin-top: -100px; margin-left: -100px;
    animation: orbitRotate1 8s linear infinite;
}
.orbit-2 {
    width: 270px; height: 270px;
    margin-top: -135px; margin-left: -135px;
    animation: orbitRotate2 12s linear infinite;
    transform: rotate(60deg);
}
.orbit-3 {
    width: 340px; height: 340px;
    margin-top: -170px; margin-left: -170px;
    animation: orbitRotate3 16s linear infinite;
    transform: rotate(120deg);
}

.electron {
    position: absolute;
    width: 10px; height: 10px;
    background: var(--cyan-400);
    border-radius: 50%;
    top: -5px; left: 50%;
    margin-left: -5px;
    box-shadow: 0 0 15px var(--cyan-400), 0 0 30px var(--cyan-glow);
}

@keyframes orbitRotate1 { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes orbitRotate2 { from { transform: rotate(60deg); } to { transform: rotate(420deg); } }
@keyframes orbitRotate3 { from { transform: rotate(120deg); } to { transform: rotate(480deg); } }

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-family: var(--font-mono);
}
.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--cyan-500), transparent);
    animation: scrollPulse 2s ease infinite;
}
@keyframes scrollPulse {
    0%, 100% { opacity: 1; height: 40px; }
    50% { opacity: 0.3; height: 20px; }
}

/* --- Sections --- */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--cyan-400);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Presentation Section --- */
.presentation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.presentation-text .lead-text {
    font-size: 1.15rem;
    line-height: 1.9;
    margin-bottom: 20px;
    color: var(--text-primary);
}
.presentation-text p {
    color: var(--text-secondary);
    line-height: 1.9;
}
.presentation-text strong { color: var(--cyan-400); }

.presentation-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}
.info-card:hover {
    border-color: var(--border-glow);
    background: var(--bg-card-hover);
    transform: translateX(8px);
}
.card-icon {
    font-size: 1.8rem;
    margin-bottom: 12px;
}
.info-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.info-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* --- Audience Section --- */
.section-audience {
    background: var(--bg-secondary);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.audience-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.audience-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, transparent, var(--cyan-500), transparent);
    opacity: 0;
    transition: var(--transition);
}
.audience-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}
.audience-card:hover::before { opacity: 1; }

.audience-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: rgba(6, 182, 212, 0.1);
    line-height: 1;
    margin-bottom: 12px;
}

.audience-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.audience-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.audience-card-highlight {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(6, 182, 212, 0.02));
    border-color: var(--border-glow);
}

/* --- Curriculum Section --- */
.curriculum-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.curriculum-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: var(--transition);
}
.curriculum-card:hover {
    border-color: var(--border-glow);
    background: var(--bg-card-hover);
    transform: translateX(4px);
}

.curriculum-number {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--cyan-500);
    min-width: 48px;
    text-align: center;
    opacity: 0.7;
}

.curriculum-info h3 {
    font-family: var(--font-display);
    font-size: 0.98rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.curriculum-info p {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.curriculum-card-highlight {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.06), transparent);
    border-color: var(--border-glow);
}

/* --- Modality Section --- */
.section-modality {
    background: var(--bg-secondary);
}

.modality-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.modality-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition);
    position: relative;
}
.modality-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}

.modality-icon {
    color: var(--cyan-400);
    margin-bottom: 20px;
}

.modality-badge {
    position: absolute;
    top: 20px; right: 20px;
    background: #ef4444;
    color: #fff;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 50px;
    letter-spacing: 0.1em;
    animation: livePulse 2s ease infinite;
}
@keyframes livePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
}

.modality-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.modality-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.modality-main {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.06), transparent);
    border-color: var(--border-glow);
}

/* --- Certification Section --- */
.certification-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition);
    text-align: center;
}
.cert-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}

.cert-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cert-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.cert-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.8;
}
.cert-card p strong { color: var(--cyan-400); }

.cert-card-highlight {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(6, 182, 212, 0.02));
    border-color: var(--cyan-500);
    box-shadow: 0 0 40px rgba(6, 182, 212, 0.08);
}

/* --- Pricing Section --- */
.section-pricing {
    background: var(--bg-secondary);
}

.pricing-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.pricing-card {
    background: var(--bg-card);
    border: 2px solid var(--cyan-500);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 0 60px rgba(6, 182, 212, 0.1);
}

.pricing-header {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), rgba(6, 182, 212, 0.04));
    padding: 40px 36px;
    text-align: center;
    border-bottom: 1px solid var(--border-glow);
}

.pricing-label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--cyan-400);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
    margin: 16px 0 8px;
}
.currency {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.price {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(135deg, var(--cyan-400), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.pricing-period {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.pricing-features {
    padding: 32px 36px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.feature-check {
    color: var(--green-accent);
    font-weight: 700;
    font-size: 1rem;
}

.pricing-card .btn {
    margin: 0 36px 36px;
    width: calc(100% - 72px);
}

/* Payment Info */
.payment-info {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 40px;
}
.payment-info h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 28px;
}

.payment-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.payment-bank {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--bg-highlight);
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
}
.bank-name {
    font-weight: 700;
    font-size: 1.05rem;
}
.bank-detail {
    font-size: 0.85rem;
    color: var(--text-muted);
}
.bank-account {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--cyan-400);
    font-weight: 700;
    letter-spacing: 0.05em;
}
.bank-holder {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.payment-note p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.phone-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--cyan-400);
    transition: var(--transition);
}
.phone-link:hover { color: var(--cyan-400); text-shadow: 0 0 20px var(--cyan-glow); }

/* --- CTA Section --- */
.section-cta {
    text-align: center;
    padding: 80px 0;
    background:
        radial-gradient(ellipse at center, rgba(6, 182, 212, 0.06), transparent 70%);
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
}
.cta-content p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* --- Footer --- */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-top: 12px;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 16px;
}
.footer-social a {
    width: 40px; height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: var(--transition);
}
.footer-social a:hover {
    color: var(--cyan-400);
    border-color: var(--cyan-500);
    background: rgba(6, 182, 212, 0.08);
}

.footer-links h4 {
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 16px;
    font-size: 0.95rem;
}
.footer-links a {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 6px 0;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--cyan-400); }

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 24px;
    text-align: center;
}
.footer-bottom p {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* --- Animations --- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Scroll-triggered animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .title-line-3 { font-size: 2.8rem; }
    .title-line-4 { font-size: 3.2rem; }
    .presentation-grid { grid-template-columns: 1fr; }
    .audience-grid { grid-template-columns: repeat(2, 1fr); }
    .audience-card-highlight { grid-column: span 2; }
    .pricing-container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: rgba(10, 14, 23, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border-subtle);
    }
    .nav-links.active { display: flex; }
    .mobile-toggle { display: flex; }

    .section { padding: 64px 0; }
    .section-title { font-size: 2rem; }

    .title-line-2 { font-size: 1.8rem; }
    .title-line-3 { font-size: 2.2rem; }
    .title-line-4 { font-size: 2.6rem; }

    .hero-actions { flex-direction: column; }
    .hero-stats { flex-wrap: wrap; gap: 20px; }

    .audience-grid { grid-template-columns: 1fr; }
    .audience-card-highlight { grid-column: span 1; }
    .curriculum-grid { grid-template-columns: 1fr; }
    .curriculum-card-highlight { grid-column: span 1; }
    .modality-grid { grid-template-columns: 1fr; }
    .modality-main { grid-column: span 1; }
    .certification-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .cta-actions { flex-direction: column; align-items: center; }
}