/* ═══════════════════════════════════════════════════════════
   TALK GATE — Site Vitrine · Design System
   ═══════════════════════════════════════════════════════════ */

:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #111127;
    --bg-card: #161636;
    --bg-card-hover: #1c1c40;
    --bg-glass: rgba(22, 22, 54, 0.7);
    
    --accent: #e94560;
    --accent-glow: rgba(233, 69, 96, 0.4);
    --accent-light: #ff6b88;
    --accent-dark: #c5273f;
    --blue: #3b82f6;
    --blue-glow: rgba(59, 130, 246, 0.3);
    --green: #22c55e;
    --orange: #f59e0b;
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.1);
    
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }

/* ═══════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: white;
}
.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-glow {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-glow:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-light);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(233, 69, 96, 0.05);
}

.btn-outline-light {
    background: transparent;
    color: white;
    border: 1.5px solid rgba(255,255,255,0.25);
}
.btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1.5px solid var(--border);
}
.btn-ghost:hover {
    color: var(--text-primary);
    border-color: var(--border-light);
    background: rgba(255,255,255,0.03);
}

.btn-sm { padding: 8px 20px; font-size: 0.85rem; }

/* ═══════════════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════════════ */
.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, 10, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
}
.logo-icon { font-size: 1.5rem; }
.logo-accent { color: var(--accent); }

.nav-links {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 18px;
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}
.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.nav-actions { display: flex; gap: 10px; }

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

/* ═══════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(233, 69, 96, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(59, 130, 246, 0.1), transparent);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at center, black, transparent);
}

.floating-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 8s ease-in-out infinite;
}
.orb-1 { width: 300px; height: 300px; background: rgba(233, 69, 96, 0.12); top: 20%; left: 10%; animation-delay: 0s; }
.orb-2 { width: 400px; height: 400px; background: rgba(59, 130, 246, 0.08); bottom: 10%; right: 10%; animation-delay: -3s; }
.orb-3 { width: 200px; height: 200px; background: rgba(34, 197, 94, 0.06); top: 50%; right: 30%; animation-delay: -5s; }

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(-10px) translateX(-10px); }
    75% { transform: translateY(-25px) translateX(5px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(233, 69, 96, 0.1);
    border: 1px solid rgba(233, 69, 96, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--accent-light);
    font-weight: 500;
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease-out;
}
.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-size: clamp(2.4rem, 5.5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent), var(--accent-light), var(--blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.stat { text-align: center; }
.stat-value {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
}
.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

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

/* ═══════════════════════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════════════════════ */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(233, 69, 96, 0.1);
    border: 1px solid rgba(233, 69, 96, 0.15);
    border-radius: 50px;
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

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

/* Problem Cards */
.section-problem { background: var(--bg-secondary); }

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: var(--transition);
}
.problem-card:hover {
    transform: translateY(-4px);
    border-color: rgba(233, 69, 96, 0.2);
    background: var(--bg-card-hover);
}
.problem-icon { font-size: 2rem; margin-bottom: 16px; }
.problem-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.problem-card p { color: var(--text-secondary); font-size: 0.92rem; }

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}
.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}
.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--blue);
    box-shadow: 0 8px 40px rgba(59, 130, 246, 0.08);
}

.feature-icon-wrap {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.08);
    border-radius: 14px;
    margin-bottom: 18px;
}
.feature-icon { font-size: 1.5rem; }
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }

.feature-card-cta {
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.1), rgba(59, 130, 246, 0.08));
    border-color: rgba(233, 69, 96, 0.2);
}
.feature-card-cta:hover {
    border-color: var(--accent);
    box-shadow: 0 8px 40px var(--accent-glow);
}

/* Comparison Table */
.section-comparison { background: var(--bg-secondary); }

.comparison-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.comparison-table th,
.comparison-table td {
    padding: 16px 24px;
    text-align: center;
    font-size: 0.92rem;
    border-bottom: 1px solid var(--border);
}

.comparison-table th {
    background: var(--bg-card);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.comparison-table td:first-child,
.comparison-table th:first-child {
    text-align: left;
    font-weight: 600;
}

.highlight-col {
    background: rgba(233, 69, 96, 0.05) !important;
}
.comparison-table th.highlight-col {
    color: var(--accent) !important;
    background: rgba(233, 69, 96, 0.1) !important;
}

.comparison-table tbody tr {
    background: var(--bg-primary);
    transition: var(--transition);
}
.comparison-table tbody tr:hover {
    background: var(--bg-card);
}

.check { color: var(--green); font-weight: 800; font-size: 1.2rem; }
.cross { color: var(--text-muted); font-size: 1.1rem; }
.partial { color: var(--orange); font-weight: 700; }

/* CTA Section */
.section-cta { padding: 80px 0 100px; }

.cta-box {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(233, 69, 96, 0.08) 100%);
    border: 1px solid rgba(233, 69, 96, 0.15);
    border-radius: calc(var(--radius) * 1.5);
    padding: 80px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(233, 69, 96, 0.08), transparent 60%);
    animation: float 10s ease-in-out infinite;
}

.cta-content { position: relative; z-index: 1; }

.cta-content h2 {
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    font-weight: 800;
    margin-bottom: 14px;
}
.cta-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-tagline {
    position: relative;
    z-index: 1;
    margin-top: 40px;
    font-style: italic;
    color: var(--text-muted);
    font-size: 1rem;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
.footer {
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
    background: var(--bg-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 14px;
}

.footer-brand p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 8px; }
.footer-company a { color: var(--accent); }
.footer-company a:hover { text-decoration: underline; }

.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 16px;
}
.footer-links a {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 4px 0;
}
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ═══════════════════════════════════════════════════════════
   PRICING PAGE
   ═══════════════════════════════════════════════════════════ */
.pricing-hero {
    padding: 140px 0 60px;
    text-align: center;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}
.pricing-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(233, 69, 96, 0.1), transparent);
}
.pricing-hero .container { position: relative; z-index: 1; }

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}
.pricing-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-light);
}
.pricing-card.popular {
    border-color: var(--accent);
    background: linear-gradient(180deg, rgba(233, 69, 96, 0.06), var(--bg-card));
}
.pricing-card.popular::before {
    content: 'Populaire';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 4px 20px;
    border-radius: 0 0 10px 10px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.pricing-target {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 24px;
}
.pricing-price {
    margin-bottom: 24px;
}
.pricing-amount {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--accent);
}
.pricing-currency { font-size: 1rem; font-weight: 600; }
.pricing-period {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}
.pricing-features li {
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 10px;
    align-items: flex-start;
}
.pricing-features li::before {
    content: '✓';
    color: var(--green);
    font-weight: 700;
    flex-shrink: 0;
}
.pricing-features li:last-child { border: none; }

/* ═══════════════════════════════════════════════════════════
   ABOUT / COMPANY PAGE
   ═══════════════════════════════════════════════════════════ */
.about-hero {
    padding: 140px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.about-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(59, 130, 246, 0.1), transparent);
}
.about-hero .container { position: relative; z-index: 1; }

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-content.reverse { direction: rtl; }
.about-content.reverse > * { direction: ltr; }

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.about-text p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 28px 24px;
    text-align: center;
    transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--blue);
}
.service-card .svc-icon { font-size: 2rem; margin-bottom: 12px; }
.service-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.service-card p { color: var(--text-secondary); font-size: 0.82rem; }

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

.value-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
}
.value-card .v-icon { font-size: 2.2rem; margin-bottom: 16px; }
.value-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.value-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ═══════════════════════════════════════════════════════════
   CONTACT PAGE
   ═══════════════════════════════════════════════════════════ */
.contact-hero {
    padding: 140px 0 60px;
    text-align: center;
    position: relative;
}
.contact-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(34, 197, 94, 0.08), transparent);
}
.contact-hero .container { position: relative; z-index: 1; }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

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

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 28px 24px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: var(--transition);
}
.contact-card:hover {
    border-color: var(--accent);
    transform: translateX(4px);
}
.contact-card .c-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(233, 69, 96, 0.08);
    border-radius: 12px;
}
.contact-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.contact-card p { color: var(--text-secondary); font-size: 0.9rem; }
.contact-card a { color: var(--accent); }
.contact-card a:hover { text-decoration: underline; }

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
}
.contact-form h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.92rem;
    transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { min-height: 120px; resize: vertical; }

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

/* ═══════════════════════════════════════════════════════════
   PRESENTATION PAGE
   ═══════════════════════════════════════════════════════════ */
.gradient-text-blue {
    background: linear-gradient(135deg, #3b82f6, #60a5fa, #93c5fd);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Hero split layout */
.pres-hero {
    position: relative;
    padding: 130px 24px 80px;
    overflow: hidden;
}
.pres-hero--tg { padding-top: 80px; }

.pres-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.pres-gradient {
    position: absolute;
    inset: 0;
}
.pres-gradient--ig {
    background: radial-gradient(ellipse 70% 50% at 30% -10%, rgba(59, 130, 246, 0.15), transparent),
                radial-gradient(ellipse 50% 40% at 80% 90%, rgba(59, 130, 246, 0.06), transparent);
}
.pres-gradient--tg {
    background: radial-gradient(ellipse 70% 50% at 70% -10%, rgba(233, 69, 96, 0.15), transparent),
                radial-gradient(ellipse 50% 40% at 20% 90%, rgba(233, 69, 96, 0.06), transparent);
}

.pres-hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.pres-hero-left { max-width: 560px; }

.pres-hero-title {
    font-size: clamp(2.2rem, 4.5vw, 3.4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.pres-hero-tagline {
    font-size: 1.2rem;
    color: #60a5fa;
    font-weight: 600;
    margin-bottom: 20px;
}
.pres-hero-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
}
.pres-hero-desc strong { color: var(--text-primary); }

.pres-stats-row {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}
.pres-stat { text-align: center; }
.pres-stat-val {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: #60a5fa;
}
.pres-stat-lbl {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Infinity Gates Logo Card */
.ig-logo-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(59, 130, 246, 0.02));
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: calc(var(--radius) * 1.5);
    padding: 60px 40px;
    text-align: center;
    max-width: 360px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}
.ig-logo-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 30%, rgba(59, 130, 246, 0.1), transparent 70%);
}
.ig-logo-icon {
    position: relative;
    font-size: 5rem;
    font-weight: 900;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}
.ig-logo-text {
    position: relative;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 4px;
    text-transform: uppercase;
    line-height: 1.3;
}
.ig-logo-text span { color: #60a5fa; }
.ig-logo-sub {
    position: relative;
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 2px;
}

/* Talk Gate Modules Visual */
.tg-modules-visual {
    position: relative;
    width: 360px;
    height: 360px;
    margin: 0 auto;
}
.tg-center-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    text-align: center;
    line-height: 1.2;
    box-shadow: 0 0 40px var(--accent-glow);
    z-index: 2;
}
.tg-module {
    position: absolute;
    padding: 8px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
    animation: orbitPulse 3s ease-in-out infinite;
}
.tg-mod-1 { top: 0; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.tg-mod-2 { top: 12%; right: 0; animation-delay: 0.3s; }
.tg-mod-3 { top: 42%; right: -10px; animation-delay: 0.6s; }
.tg-mod-4 { bottom: 12%; right: 5%; animation-delay: 0.9s; }
.tg-mod-5 { bottom: 0; left: 50%; transform: translateX(-50%); animation-delay: 1.2s; }
.tg-mod-6 { bottom: 12%; left: 0; animation-delay: 1.5s; }
.tg-mod-7 { top: 42%; left: -10px; animation-delay: 1.8s; }
.tg-mod-8 { top: 12%; left: 5%; animation-delay: 2.1s; }

@keyframes orbitPulse {
    0%, 100% { opacity: 0.7; transform: translateX(var(--tx, 0)) scale(0.95); }
    50% { opacity: 1; transform: translateX(var(--tx, 0)) scale(1.05); border-color: var(--accent); }
}
.tg-mod-1, .tg-mod-5 { --tx: -50%; }

/* Expertise grid */
.pres-expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.pres-exp-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    transition: var(--transition);
}
.pres-exp-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.08);
}
.pres-exp-icon { font-size: 2rem; margin-bottom: 14px; }
.pres-exp-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.pres-exp-card p { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.6; }

/* Products grid */
.pres-products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}
.pres-product-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}
.pres-product-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-light);
}
.pres-product--main {
    border-color: var(--accent);
    background: linear-gradient(180deg, rgba(233, 69, 96, 0.06), var(--bg-card));
}
.pres-product--main:hover {
    box-shadow: 0 12px 40px var(--accent-glow);
}
.pres-product-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 4px 16px;
    border-radius: 0 0 8px 8px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.pres-product-icon { font-size: 2.5rem; margin-bottom: 16px; }
.pres-product-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.pres-product-card p { color: var(--text-secondary); font-size: 0.88rem; margin-bottom: 14px; }
.pres-product-link {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
}

/* Transition divider */
.pres-transition {
    padding: 60px 0;
}
.pres-transition-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    justify-content: center;
}
.pres-transition-line {
    height: 1px;
    flex: 1;
    max-width: 200px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.pres-transition-badge {
    padding: 8px 24px;
    border: 1px solid rgba(233, 69, 96, 0.3);
    background: rgba(233, 69, 96, 0.08);
    border-radius: 50px;
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Advantages */
.pres-advantages {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.pres-adv-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: var(--transition);
}
.pres-adv-card:hover {
    border-color: rgba(233, 69, 96, 0.2);
    transform: translateX(4px);
}
.pres-adv-num {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent);
    opacity: 0.4;
    flex-shrink: 0;
    line-height: 1;
}
.pres-adv-content h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.pres-adv-content p { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.6; }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .nav-links, .nav-actions { display: none; }
    .nav-toggle { display: flex; }
    
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 26, 0.95);
        backdrop-filter: blur(20px);
        padding: 20px;
        border-bottom: 1px solid var(--border);
    }
    
    .hero-stats { gap: 16px; }
    .stat-divider { display: none; }
    
    .footer-grid { grid-template-columns: 1fr 1fr; }
    
    .about-content { grid-template-columns: 1fr; }
    .about-content.reverse { direction: ltr; }
    
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    
    .cta-box { padding: 48px 28px; }
    
    /* Presentation responsive */
    .pres-hero-content { grid-template-columns: 1fr; text-align: center; }
    .pres-hero-left { max-width: 100%; }
    .pres-stats-row { justify-content: center; }
    .pres-expertise-grid { grid-template-columns: 1fr; }
    .pres-products-grid { grid-template-columns: 1fr; }
    .pres-advantages { grid-template-columns: 1fr; }
    .tg-modules-visual { width: 280px; height: 280px; }
    .tg-module { font-size: 0.7rem; padding: 6px 10px; }
}