/* ── VARIABLES ── */
:root {
    --bg: #0a1628;
    --bg2: #0d1f3c;
    --bg3: #111827;
    --card: rgba(255,255,255,0.04);
    --card-b: rgba(255,255,255,0.06);
    --card-hover: rgba(255,255,255,0.07);
    --blue: #3b82f6;
    --blue-dim: rgba(59,130,246,0.15);
    --blue-glow: rgba(59,130,246,0.3);
    --cyan: #06b6d4;
    --cyan-dim: rgba(6,182,212,0.15);
    --purple: #8b5cf6;
    --green: #10b981;
    --amber: #f59e0b;
    --red: #ef4444;
    --red-dim: rgba(239,68,68,0.12);
    --text: #e8ecf4;
    --text2: #94a3b8;
    --text3: #64748b;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
}

/* ── RESET ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box }
html { scroll-behavior: smooth; scroll-padding-top: 80px }
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none }
img { max-width: 100%; display: block }

/* ── CONTAINER ── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px }

/* ── NAVBAR ── */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(10,22,40,0.85);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: background 0.3s;
}
.nav.scrolled { background: rgba(10,22,40,0.95) }
.nav-inner {
    max-width: 1140px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
}
.nav-brand {
    display: flex; align-items: center; gap: 10px;
    font-family: 'Lobster', cursive; font-weight: 400; font-size: 22px; letter-spacing: 0.5px;
}
.nav-logo {
    width: 36px; height: 36px; border-radius: 10px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    display: flex; align-items: center; justify-content: center;
    font-weight: 900; font-size: 13px; color: #fff; letter-spacing: -0.5px;
}
.nav-logo.sm { width: 30px; height: 30px; font-size: 11px; border-radius: 8px }
.nav-links { display: flex; gap: 28px }
.nav-links a {
    font-size: 14px; font-weight: 500; color: var(--text2);
    transition: color 0.2s; position: relative;
}
.nav-links a:hover { color: var(--text) }
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
    height: 2px; background: var(--blue); border-radius: 1px;
    transform: scaleX(0); transition: transform 0.2s;
}
.nav-links a:hover::after { transform: scaleX(1) }

.nav-toggle {
    display: none; background: none; border: none; cursor: pointer;
    width: 32px; height: 32px; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-toggle span {
    display: block; width: 20px; height: 2px; background: var(--text2);
    border-radius: 1px; transition: 0.2s;
}

/* ── HERO ── */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    justify-content: center; text-align: center; padding: 120px 24px 80px;
    overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 800px 600px at 50% 30%, rgba(59,130,246,0.1), transparent),
        radial-gradient(ellipse 600px 400px at 70% 60%, rgba(6,182,212,0.06), transparent),
        radial-gradient(ellipse 500px 300px at 30% 70%, rgba(139,92,246,0.04), transparent);
}
.hero-content { position: relative; max-width: 720px }
.hero-badge {
    display: inline-block; padding: 6px 16px; border-radius: 20px;
    background: var(--blue-dim); color: var(--blue);
    font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
    margin-bottom: 24px;
}
.hero h1 {
    font-size: clamp(36px, 6vw, 60px); font-weight: 900;
    line-height: 1.1; letter-spacing: -1.5px; margin-bottom: 20px;
}
.gradient-text {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub {
    font-size: 17px; line-height: 1.7; color: var(--text2);
    max-width: 580px; margin: 0 auto 32px;
}
.hero-actions { display: flex; gap: 12px; justify-content: center }

/* ── BUTTONS ── */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 12px 28px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 600; cursor: pointer;
    transition: all 0.2s; border: none; text-decoration: none;
}
.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff; box-shadow: 0 4px 20px rgba(59,130,246,0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 28px rgba(59,130,246,0.4) }
.btn-outline {
    background: transparent; color: var(--text2);
    border: 1px solid rgba(255,255,255,0.12);
}
.btn-outline:hover { border-color: rgba(255,255,255,0.25); color: var(--text) }

/* ── SECTIONS ── */
.section { padding: 100px 0 }
.section-alt { background: var(--bg2) }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 56px }
.section-tag {
    display: inline-block; padding: 4px 12px; border-radius: 16px;
    background: var(--blue-dim); color: var(--blue);
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
    margin-bottom: 16px;
}
.section-tag.red { background: var(--red-dim); color: #f87171 }
.section-header h2 {
    font-size: clamp(26px, 4vw, 36px); font-weight: 800;
    letter-spacing: -0.8px; margin-bottom: 14px; line-height: 1.2;
}
.section-header p { font-size: 16px; color: var(--text2); line-height: 1.7 }

/* ── TWO COLUMNS SOLUTIONS ── */
.two-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px }
.solution-card {
    background: var(--card); border: 1px solid var(--card-b);
    border-radius: var(--radius); padding: 36px 32px;
    transition: all 0.25s; position: relative; overflow: hidden;
}
.solution-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    transition: opacity 0.25s;
}
.solution-card.led::before { background: linear-gradient(90deg, #ef4444, #f97316); opacity: 1 }
.solution-card.soft::before { background: linear-gradient(90deg, #3b82f6, #06b6d4); opacity: 1 }
.solution-card:hover { background: var(--card-hover); transform: translateY(-2px) }
.solution-icon-wrap {
    width: 52px; height: 52px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}
.solution-card.led .solution-icon-wrap { background: var(--red-dim); color: #f87171 }
.solution-card.soft .solution-icon-wrap { background: var(--blue-dim); color: var(--blue) }
.solution-icon-wrap svg { width: 26px; height: 26px }
.solution-tag { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text3); margin-bottom: 6px }
.solution-card h3 { font-size: 22px; font-weight: 800; margin-bottom: 10px }
.solution-card p { font-size: 14px; color: var(--text2); line-height: 1.65; margin-bottom: 16px }
.solution-link { font-size: 13px; font-weight: 600; color: var(--blue); transition: color 0.2s }
.solution-link:hover { color: var(--cyan) }

/* ── PRODUCT PHOTO ── */
.product-photo {
    border-radius: var(--radius); overflow: hidden;
    margin-bottom: 24px; position: relative;
    border: 1px solid rgba(239,68,68,0.15);
}
.product-photo img {
    width: 100%; max-height: 400px; object-fit: cover;
    display: block;
}
.product-photo-caption {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 16px 24px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    font-size: 14px; font-weight: 500; color: var(--text2);
}

/* ── PRODUCT SHOWCASE ── */
.product-showcase {
    background: var(--card); border: 1px solid var(--card-b);
    border-radius: var(--radius); padding: 36px; margin-bottom: 32px;
}
.product-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 24px }
.spec-group h4 { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text3); margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,0.06) }
.spec-row { display: flex; justify-content: space-between; align-items: center; padding: 7px 0; font-size: 13px; border-bottom: 1px solid rgba(255,255,255,0.03) }
.spec-row span { color: var(--text2) }
.spec-row strong { font-weight: 600; font-variant-numeric: tabular-nums }
.spec-row.highlight { background: rgba(239,68,68,0.04); margin: 0 -8px; padding: 7px 8px; border-radius: 6px }
.spec-row .accent { color: #f87171; font-size: 15px }
.product-badges { display: flex; gap: 16px; flex-wrap: wrap }
.badge-item {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 14px; border-radius: 8px;
    background: rgba(255,255,255,0.03); font-size: 12px; color: var(--text2);
}
.badge-icon { font-weight: 800; font-size: 11px; color: var(--text); background: rgba(255,255,255,0.06); padding: 3px 8px; border-radius: 4px }

/* ── WHY GRID ── */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px }
.why-card {
    background: var(--card); border: 1px solid var(--card-b);
    border-radius: var(--radius); padding: 24px 20px;
    transition: all 0.2s;
}
.why-card:hover { background: var(--card-hover); border-color: rgba(255,255,255,0.1) }
.why-num { font-size: 28px; font-weight: 900; color: rgba(239,68,68,0.2); margin-bottom: 8px; letter-spacing: -1px }
.why-card h4 { font-size: 14px; font-weight: 700; margin-bottom: 8px }
.why-card p { font-size: 12.5px; color: var(--text2); line-height: 1.6 }

/* ── FEATURE HIGHLIGHT (capteurs) ── */
.feature-highlight {
    background: linear-gradient(135deg, rgba(59,130,246,0.06), rgba(6,182,212,0.04));
    border: 1px solid rgba(59,130,246,0.12);
    border-radius: var(--radius); padding: 40px 36px; margin-bottom: 32px;
}
.fh-tag { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--blue); margin-bottom: 8px }
.fh-content h3 { font-size: 22px; font-weight: 800; margin-bottom: 10px; letter-spacing: -0.5px }
.fh-content > p { font-size: 14px; color: var(--text2); line-height: 1.7; margin-bottom: 24px; max-width: 640px }
.sensor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px }
.sensor-item {
    display: flex; gap: 12px; align-items: flex-start;
    padding: 14px; border-radius: 12px; background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.04);
}
.sensor-item svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--blue); margin-top: 2px }
.sensor-item strong { display: block; font-size: 13px; font-weight: 700; margin-bottom: 2px }
.sensor-item span { font-size: 11.5px; color: var(--text2); line-height: 1.5 }

/* ── MODULES GRID ── */
.modules-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 40px;
}
.module-card {
    background: var(--card); border: 1px solid var(--card-b);
    border-radius: var(--radius); padding: 28px 24px;
    transition: all 0.25s; position: relative; overflow: hidden;
}
.module-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--accent, #3b82f6), transparent);
    opacity: 0; transition: opacity 0.25s;
}
.module-card:hover { background: var(--card-hover); border-color: rgba(255,255,255,0.1); transform: translateY(-2px) }
.module-card:hover::before { opacity: 1 }
.module-icon {
    width: 44px; height: 44px; border-radius: 12px;
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    color: var(--accent);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 14px;
}
.module-icon svg { width: 22px; height: 22px }
.module-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px }
.module-card p { font-size: 13px; color: var(--text2); line-height: 1.65 }

/* ── INTERFACE SECTION ── */
.interface-section { margin-top: 20px }
.interface-header { margin-bottom: 24px }
.interface-header h3 { font-size: 20px; font-weight: 800; margin-top: 6px }
.interface-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px }
.interface-card {
    background: var(--card); border: 1px solid var(--card-b);
    border-radius: var(--radius); padding: 24px 20px; text-align: center;
    transition: all 0.2s;
}
.interface-card:hover { background: var(--card-hover) }
.if-icon { margin-bottom: 12px; color: var(--blue) }
.if-icon svg { width: 28px; height: 28px; margin: 0 auto }
.interface-card h4 { font-size: 14px; font-weight: 700; margin-bottom: 6px }
.interface-card p { font-size: 12px; color: var(--text2); line-height: 1.6 }

/* ── SCIENCE GRID ── */
.science-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px }
.science-card {
    background: var(--card); border: 1px solid var(--card-b);
    border-radius: var(--radius); padding: 28px 24px;
    transition: all 0.2s;
}
.science-card:hover { background: var(--card-hover); border-color: rgba(255,255,255,0.1) }
.sc-header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px }
.sc-icon {
    width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}
.sc-icon.vpd { background: #3b82f6; box-shadow: 0 0 8px rgba(59,130,246,0.4) }
.sc-icon.phyto { background: #ef4444; box-shadow: 0 0 8px rgba(239,68,68,0.4) }
.sc-icon.light { background: #f59e0b; box-shadow: 0 0 8px rgba(245,158,11,0.4) }
.sc-icon.irrig { background: #06b6d4; box-shadow: 0 0 8px rgba(6,182,212,0.4) }
.sc-icon.climat { background: #10b981; box-shadow: 0 0 8px rgba(16,185,129,0.4) }
.sc-icon.nutri { background: #8b5cf6; box-shadow: 0 0 8px rgba(139,92,246,0.4) }
.sc-header h4 { font-size: 14px; font-weight: 700 }
.sc-formula {
    font-family: 'Courier New', monospace; font-size: 12px;
    background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.05);
    padding: 6px 12px; border-radius: 6px; margin-bottom: 8px;
    color: var(--cyan); letter-spacing: 0.3px;
}
.sc-formula sup { font-size: 9px }
.sc-models { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px }
.sc-models span, .sc-metrics span {
    padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600;
    background: rgba(255,255,255,0.05); color: var(--text3);
}
.sc-metrics { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px }
.science-card p { font-size: 12.5px; color: var(--text2); line-height: 1.6 }

/* ── PROTOCOLES ── */
.proto-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px }
.proto-item {
    background: var(--card); border: 1px solid var(--card-b);
    border-radius: var(--radius-sm); padding: 20px;
    transition: all 0.2s;
}
.proto-item:hover { background: var(--card-hover) }
.proto-item strong { display: block; font-size: 14px; margin-bottom: 4px }
.proto-item span { font-size: 12px; color: var(--text3) }

/* ── CONTACT FORM ── */
.contact-form { max-width: 640px; margin: 0 auto }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px }
.form-group { margin-bottom: 16px }
.form-group label {
    display: block; font-size: 13px; font-weight: 600;
    color: var(--text2); margin-bottom: 6px;
}
.form-group input, .form-group textarea {
    width: 100%; padding: 12px 16px; border-radius: var(--radius-sm);
    background: var(--card); border: 1px solid var(--card-b);
    color: var(--text); font-family: inherit; font-size: 14px;
    transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--blue) }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text3) }
.form-group textarea { resize: vertical; min-height: 100px }
.form-success { text-align: center; padding: 40px 0 }
.form-success .success-icon { width: 56px; height: 56px; border-radius: 50%; background: rgba(16,185,129,0.15); color: #10b981; font-size: 28px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px }
.form-success h3 { font-size: 20px; font-weight: 800; margin-bottom: 8px }
.form-success p { font-size: 14px; color: var(--text2) }

/* ── FOOTER ── */
.footer { padding: 40px 0 32px; border-top: 1px solid rgba(255,255,255,0.04); margin-top: 40px }
.footer-inner {
    display: grid; grid-template-columns: 1fr auto 1fr;
    align-items: center; gap: 24px;
}
.footer-brand { display: flex; align-items: center; gap: 12px }
.footer-brand strong { font-family: 'Lobster', cursive; font-size: 18px; font-weight: 400; display: block }
.footer-tagline { font-size: 11px; color: var(--text3); display: block }
.footer-links { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap }
.footer-links a {
    font-size: 12px; color: var(--text2); transition: color 0.2s;
}
.footer-links a:hover { color: var(--text) }
.footer-company { text-align: right }
.footer-copy { font-size: 12px; color: var(--text3); margin-bottom: 2px }
.footer-siret { font-size: 11px; color: var(--text3); font-variant-numeric: tabular-nums }

/* ── LEGAL PAGES ── */
.legal-page {
    padding: 120px 0 60px; min-height: 80vh;
    background: var(--bg);
}
.legal-header {
    text-align: center; max-width: 720px; margin: 0 auto 48px;
    padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.legal-header h1 {
    font-size: clamp(28px, 4vw, 40px); font-weight: 800;
    letter-spacing: -0.8px; margin-bottom: 12px; line-height: 1.2;
}
.legal-update {
    font-size: 12px; color: var(--text3);
    font-style: italic;
}
.legal-section {
    max-width: 800px; margin: 0 auto 36px;
}
.legal-section h2 {
    font-size: 20px; font-weight: 700;
    margin-bottom: 14px; color: var(--text);
    padding-left: 14px; border-left: 3px solid var(--blue);
    line-height: 1.3;
}
.legal-section p {
    font-size: 14.5px; line-height: 1.75; color: var(--text2);
    margin-bottom: 12px;
}
.legal-section p strong { color: var(--text); font-weight: 600 }
.legal-section a {
    color: var(--blue); text-decoration: underline;
    text-decoration-color: rgba(59,130,246,0.3);
    text-underline-offset: 3px;
    transition: color 0.2s;
}
.legal-section a:hover { color: var(--cyan) }
.legal-list {
    list-style: none; padding: 0; margin: 12px 0;
}
.legal-list li {
    font-size: 14px; line-height: 1.7; color: var(--text2);
    padding: 6px 0 6px 20px; position: relative;
    border-bottom: 1px dashed rgba(255,255,255,0.04);
}
.legal-list li:last-child { border-bottom: none }
.legal-list li::before {
    content: '▸'; position: absolute; left: 0; top: 6px;
    color: var(--blue); font-size: 12px;
}
.legal-list li strong { color: var(--text); font-weight: 600 }
.legal-highlight {
    background: rgba(59,130,246,0.08);
    border-left: 3px solid var(--blue);
    padding: 14px 18px; border-radius: 8px;
    margin: 16px 0 !important;
}
.cookie-table-wrap {
    overflow-x: auto; margin: 16px 0;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.06);
}
.cookie-table {
    width: 100%; border-collapse: collapse;
    font-size: 13px;
}
.cookie-table thead {
    background: rgba(59,130,246,0.08);
}
.cookie-table th {
    padding: 12px 14px; text-align: left; font-weight: 700;
    color: var(--text); font-size: 12px;
    text-transform: uppercase; letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.cookie-table td {
    padding: 12px 14px; color: var(--text2);
    border-bottom: 1px solid rgba(255,255,255,0.04);
    vertical-align: top;
}
.cookie-table tr:last-child td { border-bottom: none }
.cookie-table code {
    background: rgba(255,255,255,0.06); padding: 2px 6px;
    border-radius: 4px; font-family: 'Courier New', monospace;
    font-size: 12px; color: var(--cyan);
}

/* ── ERROR PAGE 404 ── */
.error-page {
    min-height: 100vh; display: flex;
    align-items: center; justify-content: center;
    padding: 40px 24px; text-align: center;
    background:
        radial-gradient(ellipse 800px 600px at 50% 30%, rgba(59,130,246,0.1), transparent),
        var(--bg);
}
.error-content { max-width: 480px }
.error-code {
    font-size: clamp(80px, 15vw, 140px); font-weight: 900;
    line-height: 1; letter-spacing: -4px;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 16px;
}
.error-content h1 {
    font-size: 28px; font-weight: 800;
    letter-spacing: -0.5px; margin-bottom: 12px;
}
.error-content p {
    font-size: 15px; color: var(--text2);
    margin-bottom: 28px; line-height: 1.6;
}

/* ── NAV LOGO IMG ── */
.nav-logo-img { width: 36px; height: 36px; border-radius: 10px; object-fit: cover }
.footer-logo-img { width: 30px; height: 30px; border-radius: 8px; object-fit: cover }

/* ── HERO SCREENSHOT ── */
.hero-screenshot {
    position: absolute; inset: 0; z-index: 0;
    overflow: hidden;
}
.hero-screenshot img {
    width: 100%; height: 100%; object-fit: cover;
    opacity: 0.12; filter: blur(1px);
}
.hero-content { position: relative; z-index: 1 }

/* ── SCREENSHOTS CAROUSEL ── */
.screenshots-section {
    margin-bottom: 40px;
}
.screenshots-header { margin-bottom: 20px }
.screenshots-header h3 { font-size: 20px; font-weight: 800; margin-top: 6px }
.screenshots-carousel {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
    border: 1px solid rgba(255,255,255,0.08);
    aspect-ratio: 16/8.5;
}
.screenshot-slide {
    position: absolute; inset: 0;
    opacity: 0; transition: opacity 0.5s ease;
    display: flex; flex-direction: column;
}
.screenshot-slide.active { opacity: 1; z-index: 1 }
.screenshot-slide img {
    width: 100%; height: 100%; object-fit: cover; object-position: top;
}
.screenshot-caption {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 16px 24px;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    font-size: 13px; font-weight: 500; color: var(--text2);
}
.screenshots-nav {
    display: flex; align-items: center; justify-content: center; gap: 16px;
    margin-top: 16px;
}
.ss-prev, .ss-next {
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08);
    color: var(--text); font-size: 20px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
}
.ss-prev:hover, .ss-next:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.15) }
.ss-dots { display: flex; gap: 6px }
.ss-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: rgba(255,255,255,0.15); cursor: pointer;
    transition: all 0.2s;
}
.ss-dot.active { background: var(--blue); box-shadow: 0 0 8px var(--blue-glow) }

/* ── FADE IN ── */
.fade-in {
    opacity: 0; transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0) }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    .two-cols { grid-template-columns: 1fr }
    .why-grid { grid-template-columns: repeat(2, 1fr) }
    .sensor-grid { grid-template-columns: repeat(2, 1fr) }
    .modules-grid { grid-template-columns: repeat(2, 1fr) }
    .science-grid { grid-template-columns: repeat(2, 1fr) }
    .interface-grid { grid-template-columns: repeat(2, 1fr) }
    .proto-grid { grid-template-columns: repeat(2, 1fr) }
    .product-specs { grid-template-columns: 1fr }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; position: fixed; top: 64px; left: 0; right: 0;
        background: rgba(10,22,40,0.98); backdrop-filter: blur(20px);
        flex-direction: column; padding: 24px; gap: 20px;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .nav-links.open { display: flex }
    .nav-links a { font-size: 16px }
    .nav-links a::after { display: none }
    .nav-toggle { display: flex }
    .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translateY(7px) }
    .nav-toggle.open span:nth-child(2) { opacity: 0 }
    .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translateY(-7px) }

    .hero { padding: 100px 20px 60px }
    .hero h1 { font-size: 32px }
    .hero-sub { font-size: 15px }
    .hero-actions { flex-direction: column; align-items: center }

    .section { padding: 60px 0 }
    .section-header { margin-bottom: 36px }

    .why-grid { grid-template-columns: 1fr }
    .sensor-grid { grid-template-columns: 1fr }
    .modules-grid { grid-template-columns: 1fr }
    .science-grid { grid-template-columns: 1fr }
    .interface-grid { grid-template-columns: 1fr }
    .proto-grid { grid-template-columns: 1fr }

    .feature-highlight { padding: 24px 20px }
    .product-showcase { padding: 24px 20px }

    .form-row { grid-template-columns: 1fr }
    .footer-inner { grid-template-columns: 1fr; text-align: center; gap: 18px }
    .footer-brand { justify-content: center }
    .footer-company { text-align: center }
    .legal-section h2 { font-size: 17px }
    .legal-section p, .legal-list li { font-size: 14px }
}

@media (max-width: 480px) {
    .container { padding: 0 16px }
    .hero { padding: 90px 16px 50px }
}
