/* Stec Corporation — professional documentation design system */

:root {
    --bg: #0a0c0f;
    --bg-elevated: #111418;
    --bg-card: #171b21;
    --bg-card-hover: #1d222a;
    --bg-section: #0e1115;
    --text: #eef1f5;
    --text-muted: #9aa3ad;
    --text-dim: #6b7480;
    --accent: #3b9eff;
    --accent-dim: #2b7fd6;
    --accent-soft: rgba(59, 158, 255, 0.12);
    --accent-glow: rgba(59, 158, 255, 0.18);
    --border: #232a32;
    --border-light: #2c343d;
    --success: #43c463;
    --warning: #f5c542;
    --max-width: 1180px;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.40);
    --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    padding: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Announcement bar ---------- */
.announce-bar {
    background: linear-gradient(90deg, var(--accent-dim), var(--accent));
    color: #051018;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.announce-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0.45rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.announce-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: #051018;
    box-shadow: 0 0 0 3px rgba(5, 16, 24, 0.25);
}

/* ---------- Header ---------- */
.site-header {
    background: rgba(10, 12, 15, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0.9rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
}
.logo-mark {
    width: 2.1rem; height: 2.1rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: #051018;
    font-weight: 800; font-size: 1.1rem;
    letter-spacing: -0.04em;
    box-shadow: 0 4px 14px var(--accent-glow);
}
.logo-mark.small { width: 1.7rem; height: 1.7rem; font-size: 0.9rem; }
.logo-text {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text);
    letter-spacing: -0.02em;
}
.logo-accent { color: var(--accent); }

.main-nav {
    display: flex;
    gap: 0.35rem;
    margin-left: auto;
    margin-right: 1rem;
}
.main-nav a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.5rem 0.9rem;
    border-radius: 8px;
    font-size: 0.92rem;
    font-weight: 500;
    transition: all 0.16s ease;
}
.main-nav a:hover { color: var(--text); background: var(--bg-card); }
.main-nav a.active {
    color: var(--accent);
    background: var(--accent-soft);
}
.nav-cta {
    background: var(--accent);
    color: #051018;
    text-decoration: none;
    padding: 0.55rem 1.1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    transition: all 0.16s ease;
    white-space: nowrap;
}
.nav-cta:hover { background: var(--accent-dim); transform: translateY(-1px); }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    background:
        radial-gradient(900px 500px at 82% -10%, var(--accent-glow), transparent 60%),
        linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg) 100%);
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 46px 46px;
    opacity: 0.25;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000, transparent 75%);
}
.hero-inner {
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 5rem 1.5rem 4.5rem;
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: 3.5rem;
    align-items: center;
}
.eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    padding: 0.35rem 0.8rem;
    border: 1px solid var(--accent-soft);
    background: var(--accent-soft);
    border-radius: 100px;
    margin-bottom: 1.4rem;
}
.hero h1 {
    font-size: 4.2rem;
    line-height: 0.98;
    margin: 0 0 1.3rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    background: linear-gradient(180deg, #ffffff, #b9c4d1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero-sub {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 0 2rem;
    line-height: 1.6;
}
.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.6rem;
    border-radius: 9px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.16s ease;
    border: 1px solid transparent;
    cursor: pointer;
}
.btn-primary {
    background: var(--accent);
    color: #051018;
    box-shadow: 0 8px 22px var(--accent-glow);
}
.btn-primary:hover { background: var(--accent-dim); transform: translateY(-2px); box-shadow: 0 12px 30px var(--accent-glow); }
.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border-light);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.hero-stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}
.hero-stat { display: flex; flex-direction: column; }
.stat-value {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
}
.stat-label {
    font-size: 0.82rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 0.2rem;
}

.hero-visual { display: flex; justify-content: center; }
.portrait-frame {
    position: relative;
    padding: 10px;
    border-radius: 24px;
    background: linear-gradient(160deg, var(--accent-soft), transparent);
    border: 1px solid var(--border-light);
    display: inline-block;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.portrait-frame:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45), 0 0 0 1px var(--accent);
}
.portrait-frame img {
    width: 270px; height: 270px;
    object-fit: cover;
    border-radius: 18px;
    display: block;
    box-shadow: var(--shadow);
}
.portrait-badge {
    position: absolute;
    bottom: 22px; left: 22px;
    background: rgba(10, 12, 15, 0.88);
    border: 1px solid var(--accent);
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    padding: 0.35rem 0.7rem;
    border-radius: 100px;
    backdrop-filter: blur(6px);
}
.portrait-play {
    position: absolute;
    bottom: 22px; right: 22px;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--accent);
    color: #051018;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 0.35rem 0.7rem;
    border-radius: 100px;
    backdrop-filter: blur(6px);
    box-shadow: 0 6px 18px rgba(59, 158, 255, 0.35);
}

/* ---------- Value strip ---------- */
.value-strip {
    border-bottom: 1px solid var(--border);
    background: var(--bg-section);
}
.value-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3.5rem 1.5rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.value-item { padding-right: 1rem; }
.value-icon {
    width: 3rem; height: 3rem;
    border-radius: 12px;
    background: var(--accent-soft);
    color: var(--accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.1rem;
    border: 1px solid var(--border-light);
}
.value-item h3 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
}
.value-item p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.55;
}

/* ---------- Sections ---------- */
.section { padding: 4.5rem 1.5rem; }
.section-alt {
    background: var(--bg-section);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.section-inner { max-width: var(--max-width); margin: 0 auto; }
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}
.section-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.6rem;
}
.section-eyebrow.light { color: var(--accent); }
.section-head h2 {
    margin: 0;
    font-size: 2.1rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}
.section-lead {
    margin: 0;
    color: var(--text-muted);
    font-size: 1.02rem;
    max-width: 420px;
}

/* ---------- Doc cards ---------- */
.doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
    gap: 1.4rem;
}
.doc-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.6rem;
    text-decoration: none;
    color: var(--text);
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}
.doc-card::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dim));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}
.doc-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.doc-card:hover::after { transform: scaleX(1); }
.doc-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.2rem;
}
.doc-tag {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 0.3rem 0.65rem;
    border-radius: 100px;
}
.doc-arrow {
    color: var(--text-dim);
    font-size: 1.2rem;
    transition: all 0.2s ease;
}
.doc-card:hover .doc-arrow { color: var(--accent); transform: translateX(4px); }
.doc-card h3 {
    margin: 0 0 0.6rem;
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--text);
}
.doc-card p {
    margin: 0 0 1.4rem;
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.55;
    flex-grow: 1;
}
.doc-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
}

/* ---------- Resource cards ---------- */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.4rem;
}
.resource-card {
    display: flex;
    align-items: stretch;
    gap: 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.2rem;
    text-decoration: none;
    transition: all 0.2s ease;
}
.resource-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}
.resource-thumb {
    position: relative;
    width: 96px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    background: linear-gradient(150deg, var(--accent-soft), var(--bg-elevated));
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
}
.play-icon {
    color: var(--accent);
    font-size: 1.8rem;
}
.resource-type {
    position: absolute;
    bottom: 8px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--text-dim);
}
.resource-body { display: flex; flex-direction: column; justify-content: center; }
.resource-body h3 { margin: 0 0 0.35rem; font-size: 1.05rem; font-weight: 700; color: var(--text); }
.resource-body p { margin: 0; color: var(--text-muted); font-size: 0.9rem; }

/* ---------- Company ---------- */
.company {
    padding: 4.5rem 1.5rem;
    background:
        radial-gradient(700px 400px at 10% 0%, var(--accent-glow), transparent 55%),
        var(--bg);
    border-top: 1px solid var(--border);
}
.company-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.6fr 0.9fr;
    gap: 2.5rem;
    align-items: center;
}
.company-text h2 {
    font-size: 2.1rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: 0 0 1.2rem;
}
.company-text p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    max-width: 620px;
    margin: 0;
}
.company-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
}
.company-card h3 { margin: 0 0 0.5rem; font-size: 1.2rem; font-weight: 700; }
.company-card p { margin: 0 0 1.4rem; color: var(--text-muted); font-size: 0.92rem; }
.company-card .btn { width: 100%; justify-content: center; }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    padding: 2.5rem 1.5rem 1.5rem;
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}
.footer-brand { display: flex; align-items: center; gap: 0.6rem; }
.footer-nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.16s ease;
}
.footer-nav a:hover { color: var(--accent); }
.footer-bottom {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    color: var(--text-dim);
    font-size: 0.82rem;
}
.footer-bottom p { margin: 0; }

/* =====================================================
   Document-page styles (shared by generated HTML docs)
   ===================================================== */
header {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 10;
}
header h1 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--accent);
    font-weight: 600;
}
header nav {
    margin-top: 0.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
header nav a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    font-size: 0.9rem;
    transition: all 0.15s ease;
}
header nav a:hover,
header nav a.active {
    color: var(--text);
    background: var(--bg-card);
    border-color: var(--accent);
}

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

h1, h2, h3, h4 {
    color: var(--text);
    margin-top: 2rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}
h1 { font-size: 2rem; border-bottom: 2px solid var(--accent); padding-bottom: 0.5rem; }
h2 { font-size: 1.5rem; color: var(--accent-dim); margin-top: 2.5rem; }
h3 { font-size: 1.2rem; color: var(--text); margin-top: 2rem; }

p { margin: 0 0 1rem; }

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1rem 0;
    border-radius: 4px;
    border: 1px solid var(--border);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

ul, ol { margin: 0 0 1rem 1.25rem; padding-left: 1rem; }
li { margin-bottom: 0.5rem; }

strong { color: var(--accent); font-weight: 600; }

code {
    background: var(--bg-elevated);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.9em;
    color: var(--warning);
}
pre {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
    overflow-x: auto;
    margin: 1rem 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: var(--bg-elevated);
    border-radius: 6px;
    overflow: hidden;
}
th, td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--bg-card); color: var(--accent); font-weight: 600; }
tr:last-child td { border-bottom: none; }

.slide { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 8px; padding: 1.5rem; margin: 1.5rem 0; }
.slide-number {
    display: inline-block;
    background: var(--accent);
    color: var(--bg);
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}
.slide h2 { margin-top: 0; margin-bottom: 1rem; }

.meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

footer {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .hero-inner { grid-template-columns: 1fr; text-align: left; gap: 2.5rem; }
    .hero h1 { font-size: 3.2rem; }
    .hero-visual { order: -1; }
    .portrait-frame img { width: 220px; height: 220px; }
    .value-inner { grid-template-columns: repeat(2, 1fr); gap: 2rem 1.5rem; }
    .company-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    .main-nav { display: none; }
    .nav-cta { padding: 0.5rem 0.9rem; font-size: 0.85rem; }
    .hero { padding-top: 3rem; }
    .hero h1 { font-size: 2.6rem; }
    .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
    .section-head { flex-direction: column; align-items: flex-start; }
    .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
    body { font-size: 15px; }
    .value-inner { grid-template-columns: 1fr; }
    .doc-grid, .resource-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { justify-content: center; }
    .footer-bottom { flex-direction: column; }
}