/* ============================================================
   THE TEC WIZARD — EDITORIAL DESIGN SYSTEM
   Dark (default) + light themes via [data-theme] on <html>.
   ============================================================ */

@font-face {
    font-family: 'Space Grotesk';
    font-weight: 300 700;
    src: url('../fonts/SpaceGrotesk.woff2') format('woff2');
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    font-weight: 100 900;
    src: url('../fonts/Inter.woff2') format('woff2');
    font-display: swap;
}

:root {
    --paper: #0b0c0e;                          /* iron black */
    --mist: #121417;                           /* raised surface */
    --mist-2: #1a1d21;
    --ink: #eae7e0;                            /* bone white */
    --ink-soft: #8d8a83;
    --line: rgba(234, 231, 224, 0.14);
    --line-strong: rgba(234, 231, 224, 0.55);
    --accent: #22d3ee;                         /* hat cyan */
    --accent-ink: #0b0c0e;                     /* text on accent */
    --accent-soft: rgba(34, 211, 238, 0.07);
    --glow: rgba(34, 211, 238, 0.2);
    --grain-opacity: 0.035;
    --aurora-opacity: 1;
    --display: 'Space Grotesk', 'Inter', sans-serif;
    --body: 'Inter', system-ui, sans-serif;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

[data-theme="light"] {
    --paper: #fbfbf9;                          /* warm gallery white */
    --mist: #f1f3f3;
    --mist-2: #e8ebeb;
    --ink: #14181c;
    --ink-soft: #565e66;
    --line: rgba(20, 24, 28, 0.12);
    --line-strong: rgba(20, 24, 28, 0.6);
    --accent: #0e7490;                         /* deep glacial cyan */
    --accent-ink: #fbfbf9;
    --accent-soft: rgba(6, 182, 212, 0.07);
    --glow: rgba(6, 182, 212, 0.16);
    --grain-opacity: 0;
    --aurora-opacity: 0.5;
}

@media (prefers-color-scheme: light) {
    :root:not([data-theme]) {
        --paper: #fbfbf9; --mist: #f1f3f3; --mist-2: #e8ebeb;
        --ink: #14181c; --ink-soft: #565e66;
        --line: rgba(20, 24, 28, 0.12); --line-strong: rgba(20, 24, 28, 0.6);
        --accent: #0e7490; --accent-ink: #fbfbf9;
        --accent-soft: rgba(6, 182, 212, 0.07); --glow: rgba(6, 182, 212, 0.16);
        --grain-opacity: 0; --aurora-opacity: 0.5;
    }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--body);
    background: var(--paper);
    color: var(--ink);
    line-height: 1.7;
    font-size: 16px;
    position: relative;
    isolation: isolate;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Film grain (dark theme only via --grain-opacity) */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    opacity: var(--grain-opacity);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Aurora backdrop */
body::before {
    content: '';
    position: fixed;
    inset: -20%;
    z-index: -1;
    pointer-events: none;
    opacity: var(--aurora-opacity);
    background:
        radial-gradient(45% 35% at 20% 0%, var(--glow), transparent 70%),
        radial-gradient(40% 30% at 85% 10%, var(--accent-soft), transparent 70%);
}

::selection { background: var(--accent); color: var(--accent-ink); }

img { max-width: 100%; height: auto; }

.shell { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

.skip-link {
    position: absolute; left: -999px; top: 0; z-index: 100;
    background: var(--accent); color: var(--accent-ink);
    padding: 8px 16px; font-family: var(--mono); font-size: 0.75rem;
}
.skip-link:focus { left: 0; }

/* ---------- Type utilities ---------- */
.meta {
    font-family: var(--mono);
    font-size: 0.625rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--ink-soft);
}
.kicker {
    font-family: var(--mono);
    font-size: 0.6875rem;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--accent);
    display: block;
    margin-bottom: 14px;
}
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.1; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); }
h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    background: linear-gradient(100deg, var(--ink) 5%, var(--accent) 70%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    width: fit-content;
}
h3 { font-size: 1.1rem; }
p { color: var(--ink-soft); }
strong { color: var(--ink); }
.lead { font-size: 1.05rem; max-width: 62ch; }

.rule { height: 1px; background: var(--line); border: 0; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.95rem 2rem;
    font-family: var(--mono);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid var(--line-strong);
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    transition: background 0.35s ease, color 0.35s ease, border-color 0.35s ease, letter-spacing 0.35s ease, box-shadow 0.35s ease;
}
.btn:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); letter-spacing: 0.34em; }
.btn--solid { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn--solid:hover { background: transparent; color: var(--accent); border-color: var(--accent); box-shadow: 0 0 24px var(--glow); }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 68px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--ink);
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.02rem;
    letter-spacing: 0.01em;
}
.brand img { display: block; }

.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a {
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--ink-soft);
    position: relative;
    padding: 4px 0;
    transition: color 0.3s ease;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a::after {
    content: '';
    position: absolute;
    left: 0; bottom: -2px;
    width: 100%; height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.site-nav .nav-cta {
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 8px 16px;
}
.site-nav .nav-cta::after { display: none; }
.site-nav .nav-cta:hover { background: var(--accent); color: var(--accent-ink); }

.header-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle, .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px; height: 38px;
    background: transparent;
    border: 1px solid var(--line);
    color: var(--ink-soft);
    cursor: pointer;
    transition: color 0.3s ease, border-color 0.3s ease;
}
.theme-toggle:hover, .menu-toggle:hover { color: var(--accent); border-color: var(--accent); }
.theme-toggle svg, .menu-toggle svg { width: 17px; height: 17px; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
.menu-toggle { display: none; }

@media (max-width: 900px) {
    .menu-toggle { display: flex; }
    .site-nav {
        position: absolute;
        top: 68px; left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--paper);
        border-bottom: 1px solid var(--line);
        display: none;
        padding: 8px 24px 20px;
    }
    .site-nav.open { display: flex; }
    .site-nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 0.72rem; }
    .site-nav a::after { display: none; }
    .site-nav .nav-cta { margin-top: 14px; text-align: center; border-bottom: 1px solid var(--accent); }
}

/* ---------- Hero ---------- */
.hero { padding: 96px 0 72px; position: relative; }
.hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
    align-items: center;
}
.hero h1 { margin: 0 0 20px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lead { margin-bottom: 32px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-art { text-align: center; position: relative; }
.hero-art img {
    width: min(300px, 70%);
    filter: drop-shadow(0 0 48px var(--glow));
    animation: float 7s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-14px); }
}
@media (max-width: 820px) {
    .hero { padding: 56px 0 48px; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-art { order: -1; }
    .hero-art img { width: min(190px, 50%); }
}

.stat-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 40px;
    padding: 18px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    position: relative;
}
.stat-strip::before {
    content: '';
    position: absolute;
    left: 0; top: -1px;
    width: 72px; height: 1px;
    background: var(--accent);
    box-shadow: 0 0 12px var(--glow);
}

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 40px;
    padding-bottom: 16px;
    border-bottom: 1px solid transparent;
    border-image: linear-gradient(90deg, var(--accent), var(--line-strong) 40%, var(--line) 100%) 1;
}
.section-head h2 { margin: 0; }
.section-head .meta { white-space: nowrap; padding-bottom: 6px; }

/* ---------- Service cards ---------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
@media (max-width: 760px) { .card-grid { grid-template-columns: 1fr; } }
.card {
    display: block;
    text-decoration: none;
    color: var(--ink);
    background: var(--mist);
    border: 1px solid var(--line);
    padding: 28px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 16px 40px -18px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--accent-soft), 0 0 32px -8px var(--glow);
}
.card-num {
    font-family: var(--mono);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    color: var(--accent);
}
.card h3 { margin: 14px 0 10px; font-size: 1.25rem; }
.card p { font-size: 0.92rem; }
.card-more {
    display: inline-block;
    margin-top: 18px;
    font-family: var(--mono);
    font-size: 0.625rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--ink-soft);
    transition: color 0.3s ease, transform 0.3s ease;
}
.card:hover .card-more { color: var(--accent); transform: translateX(4px); }
.card-icon {
    position: absolute;
    top: 24px; right: 24px;
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--line);
    color: var(--accent);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.card-icon svg { width: 20px; height: 20px; }
.card:hover .card-icon { border-color: var(--accent); box-shadow: 0 0 14px var(--glow); }

.card--wide { grid-column: 1 / -1; display: flex; align-items: center; gap: 20px; padding: 20px 28px; }
.card--wide h3 { margin: 0 0 4px; font-size: 1.05rem; }
.card--wide p { margin: 0; }
.card--wide .card-more { margin: 0 0 0 auto; flex-shrink: 0; }
@media (max-width: 760px) { .card--wide { flex-direction: column; align-items: flex-start; } .card--wide .card-more { margin: 6px 0 0; } }

/* ---------- Index rows (proof strip, blog lists) ---------- */
.rows { list-style: none; }
.row {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 4px;
    border-bottom: 1px solid var(--line);
    text-decoration: none;
    color: var(--ink);
    transition: background 0.3s ease, padding 0.3s ease, border-color 0.3s ease;
}
.row:first-child { border-top: 1px solid var(--line); }
.row:hover { background: var(--accent-soft); padding-left: 12px; padding-right: 12px; border-bottom-color: var(--accent); }
.row-num {
    font-family: var(--mono);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    color: var(--accent);
    width: 2ch;
    flex-shrink: 0;
}
.row-body { flex: 1; min-width: 0; }
.row-title { display: block; font-family: var(--display); font-weight: 700; font-size: 1rem; }
.row-sub { display: block; color: var(--ink-soft); font-size: 0.85rem; margin-top: 2px; }
.row-arrow { color: var(--ink-soft); font-family: var(--mono); flex-shrink: 0; transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), color 0.35s ease; }
.row:hover .row-arrow { transform: translateX(6px); color: var(--accent); }
.row-tag {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-soft);
    border: 1px solid var(--line);
    padding: 3px 8px;
    flex-shrink: 0;
}
@media (max-width: 640px) { .row-tag { display: none; } }

/* ---------- Quotes ---------- */
.quote-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.quote {
    background: var(--mist);
    border: 1px solid var(--line);
    border-left: 2px solid var(--accent);
    padding: 26px;
}
.quote p { font-size: 0.92rem; font-style: italic; color: var(--ink); }
.quote footer { margin-top: 14px; }

/* ---------- CTA band ---------- */
.cta-band {
    text-align: center;
    padding: 72px 24px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background:
        radial-gradient(50% 100% at 50% 100%, var(--accent-soft), transparent 70%);
}
.cta-band h2 { margin-bottom: 14px; }
.cta-band p { max-width: 52ch; margin: 0 auto 28px; }

/* ---------- Prose (blog articles, service pages) ---------- */
.prose { max-width: 720px; }
.prose h2 { margin: 42px 0 14px; font-size: 1.45rem; }
.prose h3 { margin: 30px 0 10px; }
.prose p { margin-bottom: 16px; }
.prose ul, .prose ol { margin: 0 0 16px 22px; color: var(--ink-soft); }
.prose li { margin-bottom: 6px; }
.prose a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-soft); }
.prose a:hover { border-bottom-color: var(--accent); }
.prose blockquote {
    border-left: 2px solid var(--accent);
    padding: 6px 0 6px 20px;
    margin: 0 0 16px;
    font-style: italic;
}
.prose code { font-family: var(--mono); font-size: 0.85em; background: var(--mist); padding: 2px 6px; border: 1px solid var(--line); }
.prose img { border: 1px solid var(--line); }

.page-head { padding: 72px 0 0; }
.page-head .lead { margin-top: 18px; }
.article-meta { display: flex; gap: 24px; margin-top: 20px; padding-bottom: 24px; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 720px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
label { font-family: var(--mono); font-size: 0.625rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); display: block; margin-bottom: 6px; }
input, textarea, select {
    width: 100%;
    background: var(--mist);
    border: 1px solid var(--line);
    color: var(--ink);
    font-family: var(--body);
    font-size: 0.95rem;
    padding: 12px 14px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), 0 0 18px var(--glow);
}
textarea { resize: vertical; min-height: 140px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); margin-top: 72px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 32px;
    padding: 48px 24px;
}
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand p { font-size: 0.85rem; margin: 14px 0; max-width: 34ch; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-head { margin-bottom: 4px; color: var(--accent); }
.footer-col a { color: var(--ink-soft); text-decoration: none; font-size: 0.85rem; transition: color 0.3s ease; }
.footer-col a:hover { color: var(--accent); }
.footer-meta {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    padding: 18px 24px;
    border-top: 1px solid var(--line);
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .hero-art img { animation: none; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .card, .row, .btn, .site-nav a::after, .row-arrow, .card-more { transition: none; }
}
