/* StreamApic — styles.css
   Palette: deep navy, cyan, soft purple accent, light surfaces */

:root {
    --navy-900: #0b1f3a;
    --navy-800: #122b54;
    --navy-700: #1b3a72;
    --blue-500: #2a64d8;
    --cyan-400: #3bb6f0;
    --cyan-300: #6cd0f5;
    --purple-500: #7c5cff;
    --ink: #0f172a;
    --ink-muted: #475569;
    --line: #e5e9f2;
    --surface: #ffffff;
    --surface-alt: #f7f9fc;
    --max-w: 1120px;
    --radius: 14px;
    --radius-lg: 22px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 2px 6px rgba(15, 23, 42, .04);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, .08);
    --shadow-lg: 0 20px 60px rgba(11, 31, 58, .18);
    --grad: linear-gradient(90deg, var(--navy-900) 0%, var(--blue-500) 55%, var(--cyan-400) 100%);
    --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--ink);
    background: var(--surface);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--blue-500); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--cyan-400); }

.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--navy-900);
    color: #fff;
    padding: 10px 14px;
    border-radius: 8px;
    z-index: 1000;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--line);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 32px; width: auto; }

.nav-links {
    display: flex;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav-links a {
    color: var(--ink);
    font-weight: 500;
    font-size: .95rem;
    padding: 8px 4px;
    position: relative;
}
.nav-links a::after {
    content: "";
    position: absolute;
    left: 4px; right: 4px; bottom: 2px;
    height: 2px;
    background: var(--grad);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .2s ease;
    border-radius: 2px;
}
.nav-links a:hover { color: var(--navy-900); }
.nav-links a:hover::after { transform: scaleX(1); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
    text-align: center;
}
.btn-primary {
    background: var(--grad);
    color: #fff;
    box-shadow: var(--shadow-md);
}
.btn-primary:hover {
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}
.btn-ghost {
    background: transparent;
    color: var(--navy-900);
    border-color: var(--line);
}
.btn-ghost:hover {
    background: var(--surface-alt);
    color: var(--navy-900);
}
.btn-block { width: 100%; padding: 16px 24px; font-size: 1.05rem; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    overflow: hidden;
    padding: 110px 0 120px;
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(59, 182, 240, .18), transparent 60%),
        radial-gradient(900px 500px at -10% 20%, rgba(124, 92, 255, .14), transparent 60%),
        linear-gradient(180deg, #fbfcff 0%, #f3f6fc 100%);
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: .55;
}
.blob-1 {
    width: 460px; height: 460px;
    background: radial-gradient(circle, var(--cyan-300), transparent 70%);
    top: -120px; right: -80px;
}
.blob-2 {
    width: 380px; height: 380px;
    background: radial-gradient(circle, var(--purple-500), transparent 70%);
    bottom: -140px; left: -100px;
    opacity: .35;
}
.grid-overlay {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(11, 31, 58, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(11, 31, 58, .045) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse at center, #000 40%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 40%, transparent 80%);
}

.hero-content { position: relative; max-width: 820px; }
.eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: .8rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--navy-700);
    background: rgba(42, 100, 216, .08);
    padding: 6px 12px;
    border-radius: 999px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.4rem, 6vw, 4.4rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin: 0 0 20px;
    color: var(--navy-900);
}
.grad {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-sub {
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
    color: var(--ink-muted);
    max-width: 640px;
    margin: 0 0 36px;
}

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

/* ---------- Sections ---------- */
.section { padding: 100px 0; }
.section-about { background: var(--surface); }
.section-services { background: var(--surface-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-contact { background: var(--surface); }

.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: .78rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--blue-500);
    margin-bottom: 14px;
}

.section h2 {
    font-size: clamp(1.8rem, 3.4vw, 2.6rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.015em;
    margin: 0 0 18px;
    color: var(--navy-900);
}
.section-intro { color: var(--ink-muted); font-size: 1.05rem; max-width: 640px; }

.section-head { text-align: center; margin: 0 auto 56px; max-width: 720px; }
.section-head .section-intro { margin: 0 auto; }

/* About grid */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}
.about-body p { color: var(--ink-muted); font-size: 1.05rem; margin: 0 0 16px; }
.about-body p:last-child { margin-bottom: 0; }

@media (max-width: 800px) {
    .grid-2 { grid-template-columns: 1fr; gap: 24px; }
}

/* Service cards */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    position: relative;
    overflow: hidden;
}
.card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: var(--grad);
    opacity: 0;
    transition: opacity .2s ease;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(42, 100, 216, .25);
}
.card:hover::before { opacity: 1; }

.card-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(42, 100, 216, .12), rgba(59, 182, 240, .12));
    color: var(--blue-500);
    margin-bottom: 18px;
}
.card-icon svg { width: 24px; height: 24px; }
.card h3 {
    margin: 0 0 10px;
    font-size: 1.2rem;
    color: var(--navy-900);
    font-weight: 700;
}
.card p { margin: 0; color: var(--ink-muted); }

@media (max-width: 880px) {
    .cards { grid-template-columns: 1fr; }
}

/* ---------- Contact form ---------- */
.contact-form {
    max-width: 720px;
    margin: 0 auto;
    background: var(--surface);
    padding: 36px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: 18px; display: flex; flex-direction: column; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .form-row { margin-bottom: 18px; }

label {
    font-size: .9rem;
    font-weight: 500;
    color: var(--navy-900);
    margin-bottom: 6px;
}
.req { color: var(--blue-500); }

input, select, textarea {
    font-family: inherit;
    font-size: 1rem;
    color: var(--ink);
    background: var(--surface-alt);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 12px 14px;
    transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
    width: 100%;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--blue-500);
    background: var(--surface);
    box-shadow: 0 0 0 4px rgba(42, 100, 216, .12);
}
textarea { resize: vertical; min-height: 120px; }

.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.form-status {
    margin: 16px 0 0;
    font-size: .95rem;
    min-height: 1.25rem;
    text-align: center;
}
.form-status.success { color: #047857; }
.form-status.error { color: #b91c1c; }

@media (max-width: 640px) {
    .form-grid { grid-template-columns: 1fr; gap: 0; }
    .contact-form { padding: 24px; }
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--navy-900);
    color: #cbd5e1;
    padding: 48px 0 36px;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer-logo { filter: brightness(0) invert(1); opacity: .95; }
.footer-tag { margin: 0; color: #94a3b8; font-size: .9rem; }
.footer-meta { text-align: right; }
.footer-email {
    display: inline-block;
    color: #fff;
    font-weight: 500;
    margin-bottom: 6px;
}
.footer-email:hover { color: var(--cyan-300); }
.copyright { margin: 0; color: #94a3b8; font-size: .85rem; }

@media (max-width: 560px) {
    .footer-inner { flex-direction: column; align-items: flex-start; }
    .footer-meta { text-align: left; }
}

/* ---------- Mobile nav adjustments ---------- */
@media (max-width: 540px) {
    .nav-links { gap: 18px; }
    .nav-links a { font-size: .9rem; }
    .hero { padding: 80px 0 90px; }
    .section { padding: 72px 0; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}