/* =========================================================
   SANDBOX — by Promotheus
   Design system / shared styles
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&family=JetBrains+Mono:wght@500;700&display=swap');

/* ---------- Tokens ---------- */
:root {
  --bg-dark: #0D0F12;
  --bg-darker: #07090B;
  --bg-card: #14171C;
  --bg-card-2: #1A1E25;
  --bg-light: #FFFFFF;
  --bg-warm: #F5F3EE;

  --teal: #00D4AA;
  --teal-dim: #00B894;
  --teal-glow: rgba(0, 212, 170, 0.18);

  --text-warm: #F5F3EE;
  --text-dark: #0D0F12;
  --text-muted-dark: #8A8F99;
  --text-muted-light: #6B7280;

  --border-dark: rgba(245, 243, 238, 0.08);
  --border-dark-strong: rgba(245, 243, 238, 0.16);
  --border-light: rgba(13, 15, 18, 0.08);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --max-w: 1240px;
  --pad-x: clamp(20px, 5vw, 56px);

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text-dark);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img,svg,video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
input,textarea,select { font: inherit; color: inherit; }

/* ---------- Typography ---------- */
h1,h2,h3,h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
}
h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2vw, 1.75rem); }
h4 { font-size: 1.125rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em 0; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--teal);
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--teal);
}

.lead {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.55;
  color: var(--text-muted-dark);
  max-width: 62ch;
}
.dark .lead { color: var(--text-muted-dark); }
.light .lead { color: var(--text-muted-light); }

/* ---------- Layout ---------- */
.section {
  padding: clamp(72px, 10vw, 140px) var(--pad-x);
  position: relative;
}
.section.tight { padding-block: clamp(56px, 7vw, 96px); }
.dark { background: var(--bg-dark); color: var(--text-warm); }
.darker { background: var(--bg-darker); color: var(--text-warm); }
.light { background: var(--bg-light); color: var(--text-dark); }
.warm { background: var(--bg-warm); color: var(--text-dark); }
.container { max-width: var(--max-w); margin: 0 auto; }

.section-head { max-width: 760px; margin-bottom: 64px; }
.section-head h2 { margin-bottom: 16px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--teal);
  color: #07221C;
  box-shadow: 0 0 0 1px var(--teal), 0 12px 32px -12px var(--teal-glow);
}
.btn-primary:hover { transform: translateY(-1px); background: #1ce1b8; }
.btn-ghost {
  border: 1px solid var(--border-dark-strong);
  color: var(--text-warm);
}
.btn-ghost:hover { background: rgba(245,243,238,0.05); border-color: var(--text-warm); }
.btn-dark {
  background: var(--text-dark);
  color: var(--text-warm);
}
.btn-dark:hover { background: #1f242c; }
.btn-arrow::after {
  content: "→";
  display: inline-block;
  transition: transform .2s ease;
}
.btn-arrow:hover::after { transform: translateX(4px); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal);
  font-weight: 500;
  font-size: 0.95rem;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.link-arrow::after { content: "→"; transition: transform .2s ease; }
.link-arrow:hover::after { transform: translateX(4px); }
.link-arrow:hover { border-color: var(--teal); }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--pad-x);
  background: rgba(13,15,18,0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-dark);
}
.nav.on-light {
  background: rgba(255,255,255,0.85);
  border-bottom: 1px solid var(--border-light);
}
.nav-brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--text-warm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}
.nav.on-light .nav-brand { color: var(--text-dark); }
.nav-brand .by {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted-dark);
  font-weight: 500;
}
.nav-brand .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  display: inline-block;
  margin-right: 10px;
  box-shadow: 0 0 12px var(--teal);
  transform: translateY(-2px);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  color: var(--text-muted-dark);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color .2s ease;
}
.nav-links a:hover { color: var(--text-warm); }
.nav.on-light .nav-links a { color: var(--text-muted-light); }
.nav.on-light .nav-links a:hover { color: var(--text-dark); }
.nav-links .nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--teal);
  color: #07221C;
  font-weight: 500;
}
.nav-links .nav-cta:hover { color: #07221C; background: #1ce1b8; }

@media (max-width: 820px) {
  .nav-links { gap: 18px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .nav-links a.persist-mobile { display: inline; }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 92vh;
  padding: 120px var(--pad-x) 80px;
  background: var(--bg-dark);
  color: var(--text-warm);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 50% at 80% 20%, rgba(0,212,170,0.10), transparent 60%),
    radial-gradient(50% 60% at 10% 90%, rgba(0,212,170,0.06), transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: var(--max-w); margin: 0 auto; width: 100%; }
.hero h1 { max-width: 16ch; margin-bottom: 28px; }
.hero .lead { max-width: 54ch; font-size: clamp(1.1rem, 1.5vw, 1.35rem); color: rgba(245,243,238,0.7); margin-bottom: 40px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Video placeholder (Figma-style) */
.video-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, #0A0C0F 0%, #14171C 50%, #0B1F1A 100%);
  border: 1px solid var(--border-dark-strong);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-placeholder::before,
.video-placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.video-placeholder::before {
  background-image:
    linear-gradient(rgba(245,243,238,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,243,238,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, transparent, black 30%, black 70%, transparent);
}
.video-placeholder::after {
  background: radial-gradient(60% 60% at 50% 50%, transparent, rgba(0,0,0,0.6));
}
.video-placeholder .ph-label {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: rgba(245,243,238,0.55);
}
.video-placeholder .ph-label .play {
  width: 64px;
  height: 64px;
  border: 1px solid var(--teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,212,170,0.08);
  position: relative;
}
.video-placeholder .ph-label .play::after {
  content: "";
  width: 0; height: 0;
  border-left: 16px solid var(--teal);
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  margin-left: 4px;
}
.video-placeholder .ph-corner {
  position: absolute;
  top: 16px; left: 16px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: rgba(245,243,238,0.5);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}
.video-placeholder .ph-corner .rec {
  width: 8px; height: 8px; border-radius: 50%;
  background: #ff4757;
  box-shadow: 0 0 8px #ff4757;
  animation: blink 1.6s infinite;
}
.video-placeholder .ph-tr {
  position: absolute;
  top: 16px; right: 16px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--teal);
}
@keyframes blink { 50% { opacity: 0.3; } }

.hero-media { margin-top: 64px; }

/* Hero background looping "broadcast" feel */
.hero-bg-video {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(80% 80% at 50% 0%, rgba(0,212,170,0.08), transparent 60%),
    linear-gradient(180deg, #0D0F12 0%, #0A1814 100%);
  z-index: 0;
}
.hero-bg-video::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,170,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,170,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(80% 60% at 50% 40%, black, transparent);
}
.hero-bg-label {
  position: absolute;
  bottom: 24px;
  right: var(--pad-x);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(245,243,238,0.35);
  z-index: 1;
}

/* ---------- Client logo strip ---------- */
.logo-strip {
  padding: 40px var(--pad-x);
  background: var(--bg-darker);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}
.logo-strip-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
  justify-content: space-between;
}
.logo-strip .label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted-dark);
  white-space: nowrap;
}
.logo-strip.on-light { background: var(--bg-light); border-color: var(--border-light); }
.logo-strip.on-light .label { color: var(--text-muted-light); }
.logos {
  display: flex;
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
  flex-wrap: wrap;
}
.logo-chip {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  color: rgba(245,243,238,0.65);
  border: 1px solid var(--border-dark-strong);
  border-radius: 6px;
  padding: 10px 16px;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  transition: all .2s ease;
}
.logo-strip.on-light .logo-chip {
  color: var(--text-muted-light);
  border-color: var(--border-light);
}
.logo-chip:hover {
  color: var(--text-warm);
  border-color: var(--text-muted-dark);
}
.logo-strip.on-light .logo-chip:hover {
  color: var(--text-dark);
  border-color: var(--text-muted-light);
}
.emmy-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--teal);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--teal);
}
.emmy-badge .star { font-size: 0.9rem; }

/* ---------- Feature grid ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card {
  padding: 36px 32px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  background: var(--bg-light);
  transition: border-color .2s ease, transform .2s ease;
}
.dark .feature-card,
.darker .feature-card {
  background: var(--bg-card);
  border-color: var(--border-dark);
}
.feature-card:hover { border-color: var(--teal); }
.feature-card .num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--teal);
  letter-spacing: 0.12em;
  margin-bottom: 24px;
  display: block;
}
.feature-card h3 { margin-bottom: 14px; font-size: 1.4rem; }
.feature-card p { color: var(--text-muted-light); margin: 0; }
.dark .feature-card p, .darker .feature-card p { color: var(--text-muted-dark); }

/* ---------- Stats / proof strip ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}
@media (max-width: 820px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat {
  background: var(--bg-dark);
  padding: 48px 28px;
  text-align: left;
}
.stat .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 6vw, 4.5rem);
  letter-spacing: -0.04em;
  color: var(--text-warm);
  line-height: 1;
  display: block;
  margin-bottom: 12px;
}
.stat .num .accent { color: var(--teal); }
.stat .desc {
  color: var(--text-muted-dark);
  font-size: 0.92rem;
  max-width: 24ch;
}

/* ---------- Case study cards ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 1000px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .case-grid { grid-template-columns: 1fr; } }

.case-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-light);
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: var(--text-dark);
  box-shadow: 0 24px 48px -24px rgba(0,0,0,0.18);
}
.case-thumb {
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(135deg, #0A0C0F 0%, #14171C 60%, #0B1F1A 100%);
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 24px;
}
.case-thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,170,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,170,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, transparent, black 40%);
}
.case-thumb .sport-badge {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--teal);
  border: 1px solid var(--teal);
  padding: 5px 10px;
  border-radius: 4px;
  background: rgba(0,212,170,0.08);
}
.case-thumb .ph-tag {
  position: absolute;
  top: 16px; left: 16px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: rgba(245,243,238,0.4);
  text-transform: uppercase;
}
.case-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}
.case-body .client {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted-light);
}
.case-body h3 { font-size: 1.4rem; margin: 0; }
.case-body p { color: var(--text-muted-light); margin: 0; flex-grow: 1; }
.case-body .link-arrow { color: var(--text-dark); margin-top: 12px; align-self: flex-start; }
.case-body .link-arrow:hover { color: var(--teal); border-color: var(--teal); }

/* ---------- CTA block ---------- */
.cta-block {
  background: var(--bg-darker);
  color: var(--text-warm);
  padding: clamp(72px, 9vw, 120px) var(--pad-x);
  border-top: 1px solid var(--border-dark);
}
.cta-block.teal {
  background: linear-gradient(135deg, #003D33 0%, #00261F 100%);
  border-top: 0;
}
.cta-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 900px) { .cta-inner { grid-template-columns: 1fr; gap: 40px; } }
.cta-inner h2 { margin-bottom: 16px; max-width: 18ch; }
.cta-inner .lead { color: rgba(245,243,238,0.7); }

.demo-form {
  display: grid;
  gap: 14px;
  background: rgba(245,243,238,0.04);
  padding: 32px;
  border: 1px solid var(--border-dark-strong);
  border-radius: var(--radius);
}
.cta-block.teal .demo-form { background: rgba(13,15,18,0.4); border-color: rgba(245,243,238,0.15); }
.demo-form .row { display: grid; gap: 14px; }
.demo-form .row.two { grid-template-columns: 1fr 1fr; }
@media (max-width: 640px) { .demo-form .row.two { grid-template-columns: 1fr; } }
.demo-form .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.demo-form label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted-dark);
}
.demo-form input,
.demo-form select,
.demo-form textarea {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-dark-strong);
  color: var(--text-warm);
  padding: 10px 0 12px;
  font-size: 1rem;
  font-family: var(--font-body);
  transition: border-color .2s ease;
}
.demo-form input:focus,
.demo-form textarea:focus,
.demo-form select:focus {
  outline: none;
  border-color: var(--teal);
}
.demo-form textarea { resize: vertical; min-height: 80px; }
.demo-form .submit-row { margin-top: 8px; }
.demo-form .btn-primary { width: 100%; justify-content: center; }

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-darker);
  color: var(--text-muted-dark);
  padding: 64px var(--pad-x) 36px;
  border-top: 1px solid var(--border-dark);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
}
@media (max-width: 820px) { .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; } }
.footer-brand .nav-brand { color: var(--text-warm); margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; max-width: 32ch; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-warm);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-col a { font-size: 0.9rem; transition: color .2s ease; }
.footer-col a:hover { color: var(--text-warm); }
.footer-bottom {
  max-width: var(--max-w);
  margin: 56px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border-dark);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted-dark);
  flex-wrap: wrap;
}

/* ---------- Misc utility ---------- */
.divider-line {
  height: 1px;
  background: var(--border-dark);
  margin: 0;
}
.spread { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  *,*::before,*::after { animation: none !important; }
}

/* ---------- Mockup chrome ---------- */
.mockup-chrome {
  position: fixed;
  bottom: 16px;
  right: 16px;
  z-index: 100;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(245,243,238,0.5);
  background: rgba(13,15,18,0.7);
  border: 1px solid var(--border-dark-strong);
  padding: 8px 12px;
  border-radius: 6px;
  backdrop-filter: blur(8px);
  pointer-events: none;
}