/* ═══════════════════════════════════════════════════════════
   DenseDefense — Cybersecurity Company Website
   Dark theme, no external dependencies
   ═══════════════════════════════════════════════════════════ */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #0f1520;
    --bg-card: #141b2a;
    --bg-card-hover: #1a2236;
    --bg-elevated: #1e2740;

    --text-primary: #e8ecf4;
    --text-secondary: #8b95a8;
    --text-muted: #5a6478;

    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.15);
    --accent-subtle: rgba(59, 130, 246, 0.08);

    --green: #22c55e;
    --red: #ef4444;
    --yellow: #eab308;

    /* ForteFed Navy/Gold palette */
    --fortefed-navy: #1e3a5f;
    --fortefed-navy-light: #2a4f7f;
    --fortefed-gold: #d4a843;
    --fortefed-gold-light: #e8c56e;
    --fortefed-gold-glow: rgba(212, 168, 67, 0.15);
    --fortefed-gold-subtle: rgba(212, 168, 67, 0.08);

    --border: #1e2740;
    --border-subtle: rgba(255, 255, 255, 0.06);

    --radius: 8px;
    --radius-lg: 16px;

    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;

    --max-width: 1200px;
}

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

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

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.accent { color: var(--accent); }

.text-red {
    background: linear-gradient(180deg, #ff9090 0%, #c83030 40%, #8a1a1a 70%, #d05050 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-blue {
    background: linear-gradient(180deg, #90c8ff 0%, #3080e0 40%, #1a3a8a 70%, #5090d0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ═══════════════════ NAV ═══════════════════ */

#nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    transition: background 0.3s;
}

#nav.scrolled {
    background: rgba(10, 14, 23, 0.95);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 700;
}

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

.logo-text {
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    cursor: pointer;
}

.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(10, 14, 23, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 8px 0;
    min-width: 160px;
    margin-top: 8px;
    z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu {
    display: block;
}

.nav-dropdown-menu a {
    display: block;
    padding: 8px 20px;
    white-space: nowrap;
}

.nav-dropdown-menu a:hover {
    background: rgba(59, 130, 246, 0.1);
}

.btn-nav {
    background: var(--accent) !important;
    color: white !important;
    padding: 8px 20px;
    border-radius: var(--radius);
    font-weight: 600 !important;
    transition: background 0.2s !important;
}

.btn-nav:hover {
    background: var(--accent-hover) !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ═══════════════════ HERO ═══════════════════ */

#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 64px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 80% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 80px 0;
}

.hero-logo {
    max-width: 500px;
    width: 100%;
    height: auto;
    margin-bottom: 12px;
}

.hero-brand {
    font-size: 4.2rem;
    font-weight: 800;
    letter-spacing: 8px;
    margin-bottom: 20px;
}

.hero-badge {
    display: inline-block;
    background: var(--accent-subtle);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 32px;
}

#hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 24px;
    max-width: 700px;
}

.hero-sub {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 64px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-family: var(--font);
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.25);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background: var(--bg-card);
    border-color: var(--text-muted);
}

.btn-full {
    width: 100%;
    text-align: center;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -1px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* ═══════════════════ PHILOSOPHY ═══════════════════ */

#philosophy {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.phil-card {
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
}

.phil-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
}

.phil-icon {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.phil-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.phil-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ═══════════════════ SECTIONS ═══════════════════ */

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 560px;
    margin: 0 auto;
}

/* ═══════════════════ PRODUCTS ═══════════════════ */

#products {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}

.product-card.featured {
    border-color: rgba(59, 130, 246, 0.3);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.product-tag {
    display: inline-block;
    background: var(--accent-subtle);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    width: fit-content;
}

.product-card h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.product-tagline {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.5;
}

.product-features {
    list-style: none;
    margin-bottom: 24px;
    flex: 1;
}

.product-features li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.93rem;
    line-height: 1.5;
}

.product-features li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 700;
}

.product-platforms {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.platform {
    background: var(--bg-elevated);
    color: var(--text-muted);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    text-decoration: none;
}

.download-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius);
    padding: 16px 24px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 12px;
}

.download-banner span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.fortefed-banner-dl {
    background: rgba(212, 168, 67, 0.08);
    border-color: rgba(212, 168, 67, 0.2);
}

.btn-sm {
    padding: 6px 16px;
    font-size: 0.85rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
}

.docs-section {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.docs-section h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.doc-card {
    display: block;
    background: var(--bg-elevated);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 16px;
    text-decoration: none;
    transition: border-color 0.2s, transform 0.2s;
}

.doc-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.doc-card strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-size: 0.95rem;
}

.doc-card span {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.fortefed-doc:hover {
    border-color: var(--fortefed-gold);
}

.platform-link {
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.platform-link:hover {
    background: var(--accent);
    color: white;
    font-family: var(--font-mono);
}

/* ═══════════════════ FORTEFIDE DETAIL ═══════════════════ */

#fortefide {
    padding: 100px 0;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 56px;
}

.detail-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all 0.3s;
}

.detail-block:hover {
    background: var(--bg-card-hover);
    border-color: rgba(59, 130, 246, 0.15);
}

.detail-block h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--accent);
}

.detail-block p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Architecture Banner */
.architecture-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 48px;
    margin-bottom: 56px;
}

.arch-item {
    text-align: center;
}

.arch-label {
    display: block;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 4px;
}

.arch-desc {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.arch-divider {
    width: 48px;
    height: 2px;
    background: var(--border);
}

/* Security Layers */
.security-layers h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.layers-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.layer {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.3s;
}

.layer:hover {
    border-color: rgba(59, 130, 246, 0.2);
}

.layer-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--accent-subtle);
    color: var(--accent);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.9rem;
}

.layer strong {
    display: block;
    margin-bottom: 4px;
    font-size: 0.95rem;
}

.layer p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.5;
}

/* ═══════════════════ PIPPRO DETAIL ═══════════════════ */

#pippro {
    padding: 100px 0;
}

/* Demo */
.pippro-demo {
    display: flex;
    align-items: stretch;
    gap: 24px;
    margin-bottom: 56px;
}

.demo-panel {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.demo-header {
    padding: 12px 20px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.demo-arrow {
    display: flex;
    align-items: center;
    font-size: 2rem;
    color: var(--accent);
    min-width: 40px;
    justify-content: center;
}

.code-block {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--text-secondary);
    overflow-x: auto;
    white-space: pre;
    margin: 0;
}

.code-block.cli {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
}

/* Pipeline */
.pippro-pipeline {
    margin-bottom: 56px;
}

.pippro-pipeline h3,
.pippro-cli h3,
.pippro-comparison h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.pipeline-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
}

.pipe-step {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
}

.pipe-step:hover {
    border-color: rgba(59, 130, 246, 0.2);
}

.pipe-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    margin-bottom: 12px;
}

.pipe-step strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.pipe-step p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
}

.pipe-connector {
    display: flex;
    align-items: center;
    padding-top: 32px;
    min-width: 32px;
}

.pipe-connector::before {
    content: "";
    display: block;
    width: 32px;
    height: 2px;
    background: var(--border);
}

/* CLI */
.pippro-cli {
    margin-bottom: 56px;
}

/* Comparison Table */
.comparison-table-wrap {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

.comparison-table th,
.comparison-table td {
    padding: 14px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.comparison-table th {
    background: var(--bg-elevated);
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.95rem;
}

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

.comparison-table th:nth-child(2) {
    color: var(--accent);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

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

td.yes { color: var(--green); font-weight: 700; font-size: 1.1rem; }
td.no { color: var(--red); font-weight: 700; font-size: 1.1rem; }
td.partial { color: var(--yellow); font-weight: 700; }

/* ═══════════════════ FORTEFED DETAIL ═══════════════════ */

#fortefed {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.fortefed-heading {
    background: linear-gradient(135deg, var(--fortefed-gold-light) 0%, var(--fortefed-gold) 50%, var(--fortefed-navy-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ForteFed product card accent */
.product-card.fortefed-accent {
    border-color: rgba(212, 168, 67, 0.3);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(30, 58, 95, 0.12) 100%);
}

.product-card.fortefed-accent:hover {
    border-color: rgba(212, 168, 67, 0.5);
}

.fortefed-tag {
    background: var(--fortefed-gold-subtle) !important;
    color: var(--fortefed-gold) !important;
}

.btn-fortefed {
    background: var(--fortefed-navy);
    color: var(--fortefed-gold-light);
    border: 1px solid var(--fortefed-gold);
}

.btn-fortefed:hover {
    background: var(--fortefed-navy-light);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(212, 168, 67, 0.2);
}

/* ForteFed detail blocks */
.detail-block.fortefed-detail:hover {
    border-color: rgba(212, 168, 67, 0.2);
}

.detail-block.fortefed-detail h3 {
    color: var(--fortefed-gold);
}

/* ForteFed architecture banner */
.fortefed-banner {
    border-color: rgba(212, 168, 67, 0.2);
}

.fortefed-divider {
    background: rgba(212, 168, 67, 0.3);
}

/* ForteFed control families grid */
.fortefed-families {
    margin-top: 56px;
}

.fortefed-families h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.families-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.family-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.88rem;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.family-item:hover {
    border-color: rgba(212, 168, 67, 0.25);
    background: var(--bg-card-hover);
}

.family-id {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 28px;
    background: var(--fortefed-gold-subtle);
    color: var(--fortefed-gold);
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.78rem;
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
}

/* ForteFed security layers */
.fortefed-layers h3 {
    margin-top: 56px;
}

.layer.fortefed-layer:hover {
    border-color: rgba(212, 168, 67, 0.2);
}

.layer-num.fortefed-num {
    background: var(--fortefed-gold-subtle);
    color: var(--fortefed-gold);
}

/* ═══════════════════ ABOUT ═══════════════════ */

#about {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 1.05rem;
}

.about-text strong {
    color: var(--text-primary);
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.value {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.value h4 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--accent);
}

.value p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ═══════════════════ CONTACT ═══════════════════ */

#contact {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
}

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

.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 select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b95a8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding-top: 12px;
}

.info-block h4 {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.info-block p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ═══════════════════ FOOTER ═══════════════════ */

footer {
    padding: 48px 0 32px;
    border-top: 1px solid var(--border-subtle);
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 32px;
}

.footer-brand .logo-text {
    font-size: 1.3rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 8px;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 64px;
}

.footer-col h4 {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 4px 0;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    width: 100%;
    padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
    margin-top: 16px;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

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

@media (max-width: 1024px) {
    .products-grid { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .layers-grid { grid-template-columns: 1fr; }
    .families-grid { grid-template-columns: repeat(2, 1fr); }
    .about-content { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 23, 0.98);
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }
    .nav-toggle { display: block; }

    #hero h1 { font-size: 2.2rem; letter-spacing: -1px; }
    .hero-sub { font-size: 1rem; }
    .hero-stats { flex-direction: column; gap: 24px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { text-align: center; }

    .philosophy-grid { grid-template-columns: 1fr; }

    .pippro-demo { flex-direction: column; }
    .demo-arrow {
        transform: rotate(90deg);
        padding: 8px 0;
        min-width: auto;
    }

    .pipeline-steps { flex-direction: column; }
    .pipe-connector {
        justify-content: center;
        padding-top: 0;
        min-width: auto;
        height: 24px;
    }
    .pipe-connector::before {
        width: 2px;
        height: 24px;
    }

    .architecture-banner {
        flex-direction: column;
        gap: 16px;
        padding: 24px;
    }
    .arch-divider {
        width: 48px;
        height: 1px;
    }

    .families-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-links { flex-direction: column; gap: 24px; }
}