/* ═══════════════════════════════════════════════════════════
   Bobcorn Site Design System
   Implements docs/DESIGN.md (single source of truth).
   Tokens mirror the spec names one-to-one; component classes
   mirror the spec's components section.
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600&family=Geist+Mono:wght@400&family=Space+Grotesk:wght@500;600&display=swap');

/* ─── Tokens ─── */
:root {
    /* colors */
    --primary: #171717;
    --on-primary: #ffffff;
    --ink: #171717;
    --body: #4d4d4d;
    --mute: #888888;
    --hairline: #ebebeb;
    --hairline-strong: #a1a1a1;
    --canvas: #ffffff;
    --canvas-soft: #fafafa;
    --canvas-soft-2: #f5f5f5;
    --link: #0070f3;
    --link-deep: #0761d1;
    --link-bg-soft: #d3e5ff;
    --success: #0070f3;
    --error: #ee0000;
    --error-soft: #f7d4d6;
    --error-deep: #c50000;
    --warning: #f5a623;
    --warning-soft: #ffefcf;
    --warning-deep: #ab570a;
    --violet: #7928ca;
    --violet-soft: #d8ccf1;
    --violet-deep: #4c2889;
    --cyan: #50e3c2;
    --cyan-soft: #aaffec;
    --cyan-deep: #29bc9b;
    --highlight-pink: #ff0080;
    --highlight-magenta: #eb367f;
    --grad-develop-start: #007cf0;
    --grad-develop-end: #00dfd8;
    --grad-preview-start: #7928ca;
    --grad-preview-end: #ff0080;
    --grad-ship-start: #ff4d4d;
    --grad-ship-end: #f9cb28;
    --selection-bg: #171717;
    --selection-fg: #f2f2f2;

    /* typography */
    --font-sans: 'Geist', 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Space Grotesk', 'Geist', system-ui, -apple-system, sans-serif;
    --font-mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;

    /* rounded */
    --rounded-none: 0px;
    --rounded-xs: 4px;
    --rounded-sm: 6px;
    --rounded-md: 8px;
    --rounded-lg: 12px;
    --rounded-xl: 16px;
    --rounded-pill-sm: 64px;
    --rounded-pill: 100px;
    --rounded-full: 9999px;

    /* spacing */
    --space-xxs: 4px;
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 40px;
    --space-3xl: 48px;
    --space-4xl: 64px;
    --space-5xl: 96px;
    --space-6xl: 128px;
    --space-section: 192px;

    /* elevation — stacked shadows + inset hairline ring */
    --shadow-ring: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
    --shadow-l2: 0px 1px 1px rgba(0, 0, 0, 0.02), 0px 2px 2px rgba(0, 0, 0, 0.04);
    --shadow-l3: 0px 2px 2px rgba(0, 0, 0, 0.04), 0px 8px 8px -8px rgba(0, 0, 0, 0.04);
    --shadow-l4: 0px 2px 2px rgba(0, 0, 0, 0.04), 0px 8px 16px -4px rgba(0, 0, 0, 0.04);
    --shadow-l5: 0px 1px 1px rgba(0, 0, 0, 0.02), 0px 8px 16px -4px rgba(0, 0, 0, 0.04), 0px 24px 32px -8px rgba(0, 0, 0, 0.06);

    /* layout */
    --page-width: 1200px;
    --gutter: 24px;
    --header-height: 64px;
    --nav-h: 60px;
}

/* ─── Base ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-h) + var(--space-sm) + var(--space-lg));
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    background: var(--canvas-soft);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection { background: var(--selection-bg); color: var(--selection-fg); }

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

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

.link-inline, main p a, article p a {
    color: var(--link);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.link-inline:hover, main p a:hover, article p a:hover { color: var(--link-deep); }

code, pre, kbd, samp { font-family: var(--font-mono); }

/* ─── Typography scale ─── */
/* Display sizes use the editorial display face (Space Grotesk).
   Tracking is softer than the Geist values in DESIGN.md — Space Grotesk
   has boxier counters and collides at -0.05em. */
.t-display-xl {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 600;
    line-height: 50px;
    letter-spacing: -1.4px;
}
.t-display-lg {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 600;
    line-height: 40px;
    letter-spacing: -0.8px;
}
.t-display-md {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    line-height: 32px;
    letter-spacing: -0.5px;
}
.t-display-sm {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    line-height: 28px;
    letter-spacing: -0.3px;
}
.t-body-lg { font-size: 18px; font-weight: 400; line-height: 28px; letter-spacing: 0; }
.t-body-md { font-size: 16px; font-weight: 400; line-height: 24px; }
.t-body-md-strong { font-size: 16px; font-weight: 500; line-height: 24px; }
.t-body-sm { font-size: 14px; font-weight: 400; line-height: 20px; letter-spacing: -0.28px; }
.t-body-sm-strong { font-size: 14px; font-weight: 500; line-height: 20px; letter-spacing: -0.28px; }
.t-caption { font-size: 12px; font-weight: 400; line-height: 16px; }
.t-caption-mono { font-family: var(--font-mono); font-size: 12px; font-weight: 400; line-height: 16px; }
.t-code { font-family: var(--font-mono); font-size: 13px; font-weight: 400; line-height: 20px; }

/* Section eyebrow — the mono technical label above headlines */
.eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 400;
    line-height: 16px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mute);
}

@media (max-width: 600px) {
    .t-display-xl { font-size: 36px; line-height: 40px; letter-spacing: -1px; }
    .t-display-lg { font-size: 28px; line-height: 34px; letter-spacing: -0.7px; }
}

/* ─── Container ─── */
.container {
    max-width: var(--page-width);
    margin: 0 auto;
    padding-left: var(--gutter);
    padding-right: var(--gutter);
}
@media (max-width: 600px) {
    .container { padding-left: var(--space-md); padding-right: var(--space-md); }
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    border: none;
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}

/* Marketing-scale pills (100px radius, 16px/500 label, ~48px tall) */
.btn-primary {
    background: var(--primary);
    color: var(--on-primary);
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 500;
    line-height: 24px;
    border-radius: var(--rounded-pill);
    padding: var(--space-sm) var(--space-lg);
}
.btn-primary:hover { background: #383838; }

.btn-secondary {
    background: var(--canvas);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 500;
    line-height: 24px;
    border-radius: var(--rounded-pill);
    padding: var(--space-sm) var(--space-lg);
    box-shadow: var(--shadow-ring);
}
.btn-secondary:hover { background: var(--canvas-soft-2); }

/* Small-scale pills (14px/500 label, ~32px tall) */
.btn-primary--sm, .btn-secondary--sm {
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    padding: 6px var(--space-md);
    border-radius: var(--rounded-pill);
}
.btn-primary--sm { background: var(--primary); color: var(--on-primary); }
.btn-primary--sm:hover { background: #383838; }
.btn-secondary--sm { background: var(--canvas); color: var(--ink); box-shadow: var(--shadow-ring); }
.btn-secondary--sm:hover { background: var(--canvas-soft-2); }

/* Nav-scale buttons (6px radius, 28px tall) */
.nav-cta {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 var(--space-xs);
    border-radius: var(--rounded-sm);
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    letter-spacing: -0.28px;
    text-decoration: none;
}
.nav-cta--primary { background: var(--primary); color: var(--on-primary); }
.nav-cta--primary:hover { background: #383838; }
.nav-cta--ghost { background: var(--canvas); color: var(--ink); box-shadow: inset 0 0 0 1px var(--hairline); }
.nav-cta--ghost:hover { background: var(--canvas-soft-2); }

/* Tab pills */
.tab-ghost {
    display: inline-flex;
    align-items: center;
    background: var(--canvas);
    color: var(--ink);
    font-size: 14px;
    font-weight: 400;
    line-height: 20px;
    letter-spacing: -0.28px;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--rounded-pill-sm);
    box-shadow: var(--shadow-ring);
    text-decoration: none;
}
.tab-ghost:hover, .tab-ghost.is-active { background: var(--canvas-soft-2); }

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--canvas);
    color: var(--ink);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-full);
    cursor: pointer;
}

/* ─── Badges & banners ─── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xxs);
    background: var(--canvas-soft);
    color: var(--body);
    font-size: 12px;
    font-weight: 400;
    line-height: 16px;
    padding: 2px var(--space-xs);
    border-radius: var(--rounded-full);
    box-shadow: inset 0 0 0 1px var(--hairline);
}
.badge--mono { font-family: var(--font-mono); }
.badge--info { background: var(--link-bg-soft); color: var(--link-deep); box-shadow: none; }

.banner-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--canvas-soft);
    color: var(--body);
    font-size: 14px;
    font-weight: 400;
    line-height: 20px;
    letter-spacing: -0.28px;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--rounded-full);
    box-shadow: inset 0 0 0 1px var(--hairline);
}

/* ─── Cards ─── */
.card {
    background: var(--canvas);
    color: var(--ink);
    border-radius: var(--rounded-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-l3), var(--shadow-ring);
}
.card--large {
    background: var(--canvas);
    color: var(--ink);
    border-radius: var(--rounded-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-l4), var(--shadow-ring);
}
.card--soft {
    background: var(--canvas-soft);
    color: var(--ink);
    border-radius: var(--rounded-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-ring);
}
.template-card {
    background: var(--canvas);
    color: var(--ink);
    border-radius: var(--rounded-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-l2), var(--shadow-ring);
}

/* Dark code surface */
.code-block {
    background: var(--primary);
    color: var(--on-primary);
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 20px;
    border-radius: var(--rounded-md);
    padding: var(--space-lg);
    overflow-x: auto;
}

/* Light inline code */
:not(pre) > code {
    background: var(--canvas-soft-2);
    border-radius: var(--rounded-xs);
    padding: 1px 5px;
    font-size: 0.85em;
}

/* ─── Forms ─── */
.form-input {
    width: 100%;
    background: var(--canvas);
    color: var(--ink);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-sm);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 20px;
    letter-spacing: -0.28px;
    height: 40px;
    padding: 0 var(--space-sm);
    outline: none;
    transition: border-color 0.15s ease;
}
.form-input:focus { border-color: var(--hairline-strong); }
.form-input::placeholder { color: var(--mute); }
.form-input--sm { height: 32px; }
.form-input--lg { height: 48px; font-size: 16px; line-height: 24px; }

/* ─── Nav bar — floating glass capsule over the page ─── */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-sm) var(--gutter) 0;
    background: transparent;
    pointer-events: none;
}
.site-nav__inner {
    max-width: var(--page-width);
    margin: 0 auto;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: 0 var(--space-sm) 0 var(--space-lg);
    background: rgba(23, 23, 23, 0.95);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border-radius: var(--rounded-full);
    box-shadow: var(--shadow-l5), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
    pointer-events: auto;
}
.site-nav ::selection { background: var(--on-primary); color: var(--primary); }
/* Content clears the fixed capsule; hero bands pull themselves back
   underneath it (immersive) via .band--hero below. */
body:has(.site-nav) {
    padding-top: calc(var(--nav-h) + var(--space-sm));
}
.site-nav__brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 19px;
    font-weight: 600;
    letter-spacing: -0.3px;
    color: var(--on-primary);
    text-decoration: none;
}
.site-nav__brand img { width: 26px; height: 26px; }
.site-nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-xxs);
}
.nav-link {
    color: rgba(255, 255, 255, 0.78);
    font-size: 15px;
    font-weight: 500;
    line-height: 20px;
    letter-spacing: -0.28px;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--rounded-full);
    text-decoration: none;
    transition: color 0.15s ease, background-color 0.15s ease;
}
.nav-link:hover { color: var(--on-primary); background: rgba(255, 255, 255, 0.12); }
/* Nav CTAs invert against the ink capsule */
.site-nav .nav-cta {
    height: 36px;
    padding: 0 var(--space-md);
    border-radius: var(--rounded-full);
    font-size: 14px;
    margin-left: var(--space-xs);
}
.site-nav .nav-cta--primary { background: var(--canvas); color: var(--ink); }
.site-nav .nav-cta--primary:hover { background: var(--canvas-soft-2); }
.site-nav .nav-cta--ghost { background: transparent; color: var(--on-primary); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25); }
.site-nav .nav-cta--ghost:hover { background: rgba(255, 255, 255, 0.12); }

/* ─── Bands (page sections) ─── */
.band { padding: var(--space-4xl) var(--gutter); }
.band--hero {
    position: relative;
    margin-top: calc(-1 * (var(--nav-h) + var(--space-sm)));
    padding: calc(var(--space-5xl) + var(--nav-h) + var(--space-sm)) var(--gutter) var(--space-4xl);
    overflow: hidden;
}
.band--feature { padding: var(--space-5xl) var(--gutter); }
.band--light { background: var(--canvas-soft); padding: var(--space-5xl) var(--gutter); }
.band--dark { background: var(--primary); color: var(--on-primary); padding: var(--space-5xl) var(--gutter); }
.band--dark ::selection { background: var(--on-primary); color: var(--primary); }
.band > * { position: relative; }

@media (max-width: 600px) {
    .band, .band--feature, .band--light, .band--dark { padding-top: var(--space-4xl); padding-bottom: var(--space-4xl); }
    .band--hero { padding-top: calc(var(--space-4xl) + var(--nav-h) + var(--space-sm)); }
}

/* Hairline divider between bands */
.divider {
    height: 1px;
    background: var(--hairline);
    max-width: var(--page-width);
    margin: 0 auto;
}

/* ─── Mesh gradient (hero scale only — see DESIGN.md Do's and Don'ts)
   Two blob layers drift slowly against each other for a living backdrop.
   Transform-only animation under a static blur; parent band clips overflow. ─── */
.mesh-gradient {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.mesh-gradient::before,
.mesh-gradient::after {
    content: '';
    position: absolute;
    inset: -25%;
    filter: blur(48px);
    will-change: transform;
}
.mesh-gradient::before {
    background:
        radial-gradient(38% 50% at 12% 18%, rgba(0, 124, 240, 0.22) 0%, transparent 100%),
        radial-gradient(36% 52% at 66% 14%, rgba(121, 40, 202, 0.16) 0%, transparent 100%),
        radial-gradient(26% 40% at 52% 30%, rgba(249, 203, 40, 0.12) 0%, transparent 100%);
    animation: mesh-drift-a 26s ease-in-out infinite alternate;
}
.mesh-gradient::after {
    background:
        radial-gradient(32% 46% at 38% 8%, rgba(0, 223, 216, 0.16) 0%, transparent 100%),
        radial-gradient(30% 44% at 88% 22%, rgba(255, 0, 128, 0.14) 0%, transparent 100%);
    animation: mesh-drift-b 34s ease-in-out infinite alternate;
}
@keyframes mesh-drift-a {
    0%   { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
    50%  { transform: translate3d(4%, 3%, 0) scale(1.08) rotate(2deg); }
    100% { transform: translate3d(-3%, -2%, 0) scale(1.03) rotate(-2deg); }
}
@keyframes mesh-drift-b {
    0%   { transform: translate3d(0, 0, 0) scale(1.05) rotate(0deg); }
    100% { transform: translate3d(-5%, 4%, 0) scale(1.14) rotate(3deg); }
}
@media (prefers-reduced-motion: reduce) {
    .mesh-gradient::before, .mesh-gradient::after { animation: none; }
}

/* ─── Tables ─── */
.table {
    width: 100%;
    border-collapse: collapse;
}
.table th {
    background: var(--canvas-soft);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 400;
    line-height: 16px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mute);
    text-align: left;
    padding: var(--space-xs) var(--space-sm);
    border-bottom: 1px solid var(--hairline);
}
.table td {
    font-size: 14px;
    line-height: 20px;
    letter-spacing: -0.28px;
    color: var(--body);
    padding: var(--space-sm);
    border-bottom: 1px solid var(--hairline);
}
.table tr:last-child td { border-bottom: none; }

/* ─── Footer ─── */
.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    color: var(--body);
    padding: var(--space-4xl) var(--gutter);
}
.site-footer__inner {
    max-width: var(--page-width);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}
.site-footer a {
    color: var(--body);
    font-size: 14px;
    line-height: 20px;
    letter-spacing: -0.28px;
    text-decoration: none;
}
.site-footer a:hover { color: var(--ink); }
.site-footer__brand {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.3px;
    color: var(--ink);
}

/* ─── Logo strip ─── */
.logo-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-xl);
    color: var(--body);
    padding: var(--space-lg) var(--space-xl);
}
.logo-strip img, .logo-strip svg, .logo-strip .logo { height: 24px; opacity: 0.75; }

/* ─── Screenshot / media frame — mat + inner ring so shots with
   baked-in light backdrops still read as framed objects ─── */
.media-frame {
    background: var(--canvas-soft-2);
    padding: var(--space-sm);
    border-radius: var(--rounded-xl);
    box-shadow: var(--shadow-l5), var(--shadow-ring);
}
.media-frame img {
    width: 100%;
    border-radius: var(--rounded-md);
    background: var(--canvas);
    box-shadow: var(--shadow-ring);
}
.band--dark .media-frame {
    background: rgba(255, 255, 255, 0.06);
    box-shadow: var(--shadow-l5), inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}
.band--dark .media-frame img {
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* ─── Grid helpers ─── */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}
@media (max-width: 959px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ─── Reveal animation (progressive enhancement) ─── */
.reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}