/* ==========================================================================
   ndot — AI Implementation Consulting
   ========================================================================== */

:root {
    /* Palette */
    --navy-950: #060a14;
    --navy-900: #0a1024;
    --navy-800: #0f1730;
    --navy-700: #16203f;
    --navy-600: #202c52;
    --navy-500: #2c3a68;
    --ink: #e8ecf7;
    --ink-dim: #aab4d1;
    --ink-faint: #7684ab;
    --paper: #f6f7fb;
    --paper-dim: #eceef6;
    --line: #232f52;
    --line-soft: rgba(126, 148, 216, 0.16);

    --teal: #21e6c1;
    --teal-dim: #16b39a;
    --azure: #4f8cff;
    --amber: #ffb454;
    --violet: #8b7bff;

    --grad-brand: linear-gradient(135deg, var(--teal) 0%, var(--azure) 100%);
    --grad-hero: radial-gradient(circle at 20% 20%, rgba(79, 140, 255, 0.22), transparent 45%),
                 radial-gradient(circle at 80% 0%, rgba(33, 230, 193, 0.18), transparent 40%),
                 radial-gradient(circle at 50% 100%, rgba(139, 123, 255, 0.16), transparent 45%);

    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --shadow-glow: 0 0 0 1px var(--line-soft), 0 20px 60px -20px rgba(0, 0, 0, 0.55);
    --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 12px 30px -18px rgba(0, 0, 0, 0.6);
    --maxw: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--navy-950);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

.wrap {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 28px;
}

section { position: relative; }

/* ---------- Typography ---------- */

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; color: var(--ink); }

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.08; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); line-height: 1.15; }
h3 { font-size: 1.3rem; line-height: 1.3; }
h4 { font-size: 1.05rem; }

p { color: var(--ink-dim); }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 16px;
}

.eyebrow::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--grad-brand);
    box-shadow: 0 0 10px var(--teal);
}

.section-head {
    max-width: 680px;
    margin: 0 auto 56px;
    text-align: center;
}

.section-head p { margin-top: 14px; font-size: 1.05rem; }

.section-head.left { margin-left: 0; text-align: left; }

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--grad-brand);
    color: var(--navy-950);
    box-shadow: 0 10px 30px -10px rgba(33, 230, 193, 0.45);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px -10px rgba(33, 230, 193, 0.6); }

.btn-ghost {
    background: transparent;
    color: var(--ink);
    border-color: var(--line-soft);
}

.btn-ghost:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-2px); }

.btn-sm { padding: 9px 18px; font-size: 0.85rem; }

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(6, 10, 20, 0.78);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line-soft);
}

.site-header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: -0.02em;
}

.brand .mark {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--grad-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--navy-950);
    font-weight: 900;
    font-size: 1.05rem;
}

.brand .dot { color: var(--teal); }

.main-nav { display: flex; align-items: center; gap: 34px; }

.main-nav a {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--ink-dim);
    transition: color 0.15s ease;
    position: relative;
}

.main-nav a:hover, .main-nav a.active { color: var(--ink); }

.main-nav a.active::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -26px;
    height: 2px;
    background: var(--grad-brand);
}

.header-actions { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
    display: none;
    width: 40px; height: 40px;
    border-radius: 10px;
    border: 1px solid var(--line-soft);
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

/* ---------- Hero ---------- */

.hero {
    padding: 96px 0 90px;
    background: var(--grad-hero), var(--navy-950);
    border-bottom: 1px solid var(--line-soft);
    overflow: hidden;
}

.hero .wrap { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; }

.hero-copy p.lead { font-size: 1.15rem; margin: 20px 0 34px; max-width: 520px; }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
    display: flex;
    gap: 34px;
    margin-top: 52px;
    padding-top: 28px;
    border-top: 1px solid var(--line-soft);
}

.hero-stats div strong { display: block; font-size: 1.6rem; color: var(--ink); }
.hero-stats div span { font-size: 0.82rem; color: var(--ink-faint); }

/* Agent pipeline visual */
.agent-viz {
    position: relative;
    background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-glow);
}

.agent-viz .viz-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--ink-faint);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 18px;
    display: flex;
    justify-content: space-between;
}

.viz-label .live { color: var(--teal); }

.viz-live-dot {
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--teal);
    margin-right: 6px;
    animation: pulse 1.6s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(33,230,193,0.5); }
    50% { opacity: 0.6; box-shadow: 0 0 0 5px rgba(33,230,193,0); }
}

.viz-node {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px 16px;
    background: var(--navy-800);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    font-size: 0.88rem;
}

.viz-node .ico {
    width: 30px; height: 30px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    font-size: 0.85rem;
}

.viz-node.n1 .ico { background: rgba(79,140,255,0.18); color: var(--azure); }
.viz-node.n2 .ico { background: rgba(33,230,193,0.18); color: var(--teal); }
.viz-node.n3 .ico { background: rgba(139,123,255,0.18); color: var(--violet); }
.viz-node.n4 .ico { background: rgba(255,180,84,0.18); color: var(--amber); }

.viz-node .meta strong { display: block; color: var(--ink); font-size: 0.88rem; }
.viz-node .meta span { font-size: 0.76rem; color: var(--ink-faint); }

.viz-connector {
    width: 1px;
    height: 16px;
    margin-left: 30px;
    background: linear-gradient(var(--line-soft), transparent);
}

.viz-status {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--line-soft);
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--ink-faint);
}

.viz-status .ok { color: var(--teal); }

/* ---------- Logo / trust strip ---------- */

.trust-strip {
    padding: 34px 0;
    border-bottom: 1px solid var(--line-soft);
}

.trust-strip .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.trust-strip .label {
    font-size: 0.78rem;
    color: var(--ink-faint);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
}

.trust-items { display: flex; gap: 34px; flex-wrap: wrap; }

.trust-items span {
    font-size: 0.88rem;
    color: var(--ink-dim);
    display: flex;
    align-items: center;
    gap: 8px;
}

.trust-items span::before {
    content: "";
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--teal);
}

/* ---------- Generic light/dark section blocks ---------- */

.section {
    padding: 100px 0;
}

.section.on-navy { background: var(--navy-950); }
.section.on-panel { background: var(--navy-900); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }

/* ---------- Cards grid ---------- */

.grid {
    display: grid;
    gap: 22px;
}

.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.card {
    background: var(--navy-800);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover { transform: translateY(-4px); border-color: rgba(33,230,193,0.4); }

.card .ico {
    width: 46px; height: 46px;
    border-radius: 12px;
    background: var(--grad-brand);
    display: flex; align-items: center; justify-content: center;
    color: var(--navy-950);
    font-size: 1.2rem;
    margin-bottom: 18px;
}

.card h3 { margin-bottom: 10px; }
.card p { font-size: 0.94rem; }

.card ul.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

.card ul.tags li {
    font-size: 0.74rem;
    font-family: var(--font-mono);
    padding: 5px 10px;
    background: var(--navy-700);
    border-radius: 6px;
    color: var(--ink-dim);
    border: 1px solid var(--line-soft);
}

/* Pillar card with number */
.pillar-card { position: relative; }
.pillar-card .num {
    position: absolute;
    top: 26px; right: 26px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--ink-faint);
}

/* ---------- Industry tabs / sections ---------- */

.industry-nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 56px;
}

.industry-nav a {
    padding: 10px 20px;
    border-radius: 999px;
    border: 1px solid var(--line-soft);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--ink-dim);
    transition: all 0.15s ease;
}

.industry-nav a:hover { border-color: var(--teal); color: var(--teal); }

.industry-block {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 56px;
    align-items: start;
    padding: 64px 0;
    border-top: 1px solid var(--line-soft);
}

.industry-block:first-of-type { border-top: none; padding-top: 0; }

.industry-block .tag-pill {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 5px 12px;
    border-radius: 6px;
    background: var(--navy-800);
    border: 1px solid var(--line-soft);
    color: var(--teal);
    margin-bottom: 16px;
}

.industry-block .pain-list { margin-top: 22px; }
.industry-block .pain-list li {
    font-size: 0.9rem;
    color: var(--ink-dim);
    padding-left: 20px;
    position: relative;
    margin-bottom: 10px;
}
.industry-block .pain-list li::before {
    content: "—";
    position: absolute; left: 0;
    color: var(--ink-faint);
}

.agent-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.agent-item {
    background: var(--navy-800);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-sm);
    padding: 18px;
}

.agent-item strong { display: block; font-size: 0.92rem; color: var(--ink); margin-bottom: 6px; }
.agent-item span { font-size: 0.82rem; color: var(--ink-faint); }

/* ---------- Process / timeline ---------- */

.process-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    position: relative;
}

.process-track::before {
    content: "";
    position: absolute;
    top: 26px; left: 5%; right: 5%;
    height: 1px;
    background: var(--line-soft);
    z-index: 0;
}

.process-step { position: relative; z-index: 1; }

.process-step .step-num {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: var(--navy-800);
    border: 1px solid var(--line-soft);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--teal);
    margin-bottom: 20px;
}

.process-step h4 { margin-bottom: 8px; }
.process-step p { font-size: 0.88rem; }

/* ---------- Stat band ---------- */

.stat-band {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 48px 0;
}

.stat-band .stat { text-align: center; }
.stat-band .stat strong {
    display: block;
    font-size: 2.2rem;
    background: var(--grad-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.stat-band .stat span { font-size: 0.84rem; color: var(--ink-faint); }

/* ---------- CTA band ---------- */

.cta-band {
    background: var(--navy-800);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    padding: 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: "";
    position: absolute; inset: 0;
    background: var(--grad-hero);
    opacity: 0.7;
}

.cta-band > * { position: relative; z-index: 1; }

.cta-band .btn-row { display: flex; gap: 14px; justify-content: center; margin-top: 28px; flex-wrap: wrap; }

/* ---------- Team / about ---------- */

.value-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 40px; }

.value-item { display: flex; gap: 16px; }
.value-item .n { font-family: var(--font-mono); color: var(--teal); font-weight: 700; }
.value-item h4 { margin-bottom: 6px; }
.value-item p { font-size: 0.9rem; }

/* ---------- Contact ---------- */

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }

.form-field { margin-bottom: 20px; }

.form-field label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ink-dim);
    margin-bottom: 8px;
}

.form-field input, .form-field select, .form-field textarea {
    width: 100%;
    padding: 13px 16px;
    background: var(--navy-800);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-sm);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 0.94rem;
    transition: border-color 0.15s ease;
}

.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
    outline: none;
    border-color: var(--teal);
}

.form-field textarea { resize: vertical; min-height: 120px; }

.contact-info-card {
    background: var(--navy-800);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-md);
    padding: 32px;
    margin-bottom: 18px;
}

.contact-info-card .row { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.contact-info-card .row:last-child { margin-bottom: 0; }
.contact-info-card .row .ico {
    width: 36px; height: 36px;
    border-radius: 9px;
    background: var(--navy-700);
    display: flex; align-items: center; justify-content: center;
    color: var(--teal);
    flex-shrink: 0;
    font-size: 0.95rem;
}
.contact-info-card .row strong { display: block; font-size: 0.88rem; color: var(--ink); }
.contact-info-card .row span { font-size: 0.85rem; color: var(--ink-faint); }

#form-status { margin-top: 14px; font-size: 0.88rem; }
#form-status.success { color: var(--teal); }
#form-status.error { color: #ff6b6b; }

/* ---------- Page hero (sub-pages) ---------- */

.page-hero {
    padding: 72px 0 60px;
    background: var(--grad-hero), var(--navy-950);
    border-bottom: 1px solid var(--line-soft);
    text-align: center;
}

.page-hero p { max-width: 600px; margin: 16px auto 0; font-size: 1.05rem; }
.breadcrumb { font-size: 0.8rem; color: var(--ink-faint); margin-bottom: 18px; }
.breadcrumb a:hover { color: var(--teal); }

/* ---------- Footer ---------- */

.site-footer {
    background: var(--navy-900);
    border-top: 1px solid var(--line-soft);
    padding: 72px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--line-soft);
}

.footer-grid p { font-size: 0.88rem; max-width: 280px; margin-top: 14px; }

.footer-col h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-faint); margin-bottom: 18px; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { font-size: 0.9rem; color: var(--ink-dim); }
.footer-col a:hover { color: var(--teal); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 28px;
    font-size: 0.82rem;
    color: var(--ink-faint);
    flex-wrap: wrap;
    gap: 12px;
}

.social-row { display: flex; gap: 12px; }
.social-row a {
    width: 36px; height: 36px;
    border-radius: 9px;
    border: 1px solid var(--line-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem;
}
.social-row a:hover { border-color: var(--teal); color: var(--teal); }

/* ---------- Mobile nav ---------- */

.mobile-nav {
    display: none;
    position: fixed;
    inset: 76px 0 0 0;
    background: var(--navy-950);
    z-index: 99;
    padding: 32px 28px;
    overflow-y: auto;
}

.mobile-nav.open { display: block; }

.mobile-nav a {
    display: block;
    padding: 16px 0;
    font-size: 1.1rem;
    font-weight: 600;
    border-bottom: 1px solid var(--line-soft);
}

.mobile-nav .btn { margin-top: 24px; width: 100%; }

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
    .main-nav { display: none; }
    .nav-toggle { display: flex; }
    .header-actions .btn-primary.desktop-only { display: none; }

    .hero .wrap { grid-template-columns: 1fr; }
    .hero-copy p.lead { max-width: none; }
    .hero-stats { flex-wrap: wrap; gap: 24px; }

    .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
    .industry-block { grid-template-columns: 1fr; gap: 28px; }
    .agent-list { grid-template-columns: 1fr; }
    .process-track { grid-template-columns: repeat(2, 1fr); }
    .process-track::before { display: none; }
    .stat-band { grid-template-columns: repeat(2, 1fr); }
    .value-list { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .cta-band { padding: 44px 26px; }
}

@media (max-width: 600px) {
    .grid.cols-3, .grid.cols-4, .grid.cols-2 { grid-template-columns: 1fr; }
    .process-track { grid-template-columns: 1fr; }
    .stat-band { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    h1 { font-size: 2.2rem; }
    .section { padding: 70px 0; }
    .hero { padding: 64px 0; }
}