/* ============================================
   Buronic Media — Premium Studio Site
   ============================================ */

:root {
  --bg: #08080a;
  --bg-soft: #101013;
  --bg-card: #131316;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f5f5f7;
  --text-dim: #9a9aa2;
  --text-faint: #6a6a72;
  --accent: #cda86b;
  --accent-soft: rgba(205, 168, 107, 0.14);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --container: 1180px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: auto;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

#grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
}

/* ---------- Typography helpers ---------- */

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-bottom: 22px;
  max-width: 16ch;
}

.section-lead {
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  color: var(--text-dim);
  max-width: 44ch;
  line-height: 1.6;
  font-weight: 400;
}

/* ---------- Reveal-on-scroll base states ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  will-change: transform, opacity;
}

.reveal-line {
  display: inline-block;
  transform: translateY(110%);
  will-change: transform;
}

/* ---------- Nav ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 22px 0;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  padding: 14px 0;
  background: rgba(8, 8, 10, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.nav-logo .dot { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 36px;
}
.nav-links a {
  font-size: 14px;
  color: var(--text-dim);
  transition: color 0.25s var(--ease);
}
.nav-links a:hover { color: var(--text); }

.nav-cta {
  font-size: 14px;
  font-weight: 500;
  padding: 9px 20px;
  border-radius: 100px;
  border: 1px solid var(--line);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.nav-cta:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), border-color 0.35s var(--ease), color 0.35s var(--ease);
}

.btn-primary {
  background: var(--accent);
  color: #14110a;
}
.btn-primary:hover {
  transform: translateY(-2px);
  background: #ddbc82;
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

.btn-large {
  padding: 20px 40px;
  font-size: 18px;
}

.btn-block {
  width: 100%;
  margin-top: 8px;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(205, 168, 107, 0.10), transparent 60%),
    linear-gradient(180deg, #0a0a0c 0%, #08080a 60%, #08080a 100%);
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: radial-gradient(ellipse 70% 60% at 50% 50%, transparent 40%, rgba(8, 8, 10, 0.55) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 900px;
  padding: 0 24px;
  margin-top: -20px;
}

.hero .eyebrow { justify-content: center; display: block; }

.hero-title {
  font-size: clamp(2.8rem, 8.4vw, 6.6rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.03;
  margin-bottom: 28px;
}
.hero-title .line { display: block; overflow: hidden; }

.hero-sub {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--text-dim);
  max-width: 52ch;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.scroll-cue {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 0.6;
}
.scroll-cue span {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: rgba(255, 255, 255, 0.12);
  position: relative;
  overflow: hidden;
}
.scroll-line i {
  position: absolute;
  top: -50%;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--accent);
  animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue {
  0% { top: -50%; }
  60% { top: 100%; }
  100% { top: 100%; }
}

/* ---------- Sections generic ---------- */

.section {
  padding: 160px 0;
  position: relative;
}

/* ---------- Services ---------- */

.cards {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
}

.card {
  background: var(--bg-soft);
  padding: 48px 38px;
  transition: background 0.4s var(--ease);
}
.card:hover { background: var(--bg-card); }

.card-num {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.card p {
  color: var(--text-dim);
  line-height: 1.65;
  font-size: 0.98rem;
}

/* ---------- Work grid ---------- */

.work-grid {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}

.work-item {
  position: relative;
  display: block;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--bg-soft);
}

.work-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.55) contrast(1.05) brightness(0.85);
  transform: scale(1.04);
  transition: transform 1.1s var(--ease), filter 0.6s var(--ease);
}
.work-item:hover img {
  transform: scale(1.12);
  filter: grayscale(0) contrast(1.05) brightness(0.9);
}

.work-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  background: linear-gradient(180deg, transparent 40%, rgba(6, 6, 8, 0.88) 100%);
}

.work-cat {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.work-name {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ---------- Packages ---------- */

.tiers {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tier {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 44px 34px;
  background: var(--bg-soft);
  display: flex;
  flex-direction: column;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.tier:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.16); }

.tier-featured {
  background: linear-gradient(180deg, rgba(205, 168, 107, 0.08), var(--bg-soft) 40%);
  border-color: rgba(205, 168, 107, 0.35);
}
.tier-featured:hover { border-color: var(--accent); }

.tier-badge {
  position: absolute;
  top: -13px;
  left: 34px;
  background: var(--accent);
  color: #14110a;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
}

.tier h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.tier-desc {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.55;
  margin-bottom: 28px;
  min-height: 48px;
}

.tier-list {
  margin-bottom: 20px;
  flex-grow: 1;
}
.tier-list li {
  padding: 11px 0;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
  color: var(--text);
  position: relative;
  padding-left: 22px;
}
.tier-list li:last-child { border-bottom: 1px solid var(--line); }
.tier-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.tiers-note {
  text-align: center;
  margin-top: 48px;
  font-size: 0.98rem;
  color: var(--text-dim);
}

/* ---------- About ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-copy p {
  color: var(--text-dim);
  line-height: 1.75;
  font-size: 1.05rem;
  margin-bottom: 20px;
  max-width: 56ch;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 36px;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--bg-soft);
  margin-top: 8px;
}

.stat-point {
  position: relative;
  padding-left: 22px;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.5;
}
.stat-point::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Contact ---------- */

.contact {
  text-align: center;
  padding-bottom: 200px;
}

.contact-inner { display: flex; flex-direction: column; align-items: center; }
.contact .eyebrow { text-align: center; }

.contact-title {
  font-size: clamp(2.4rem, 5.6vw, 4.6rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 24px;
}

.contact .section-lead {
  text-align: center;
  margin: 0 auto 44px;
}

/* ---------- Social links ---------- */

.social-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--text-dim);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease),
    background 0.3s var(--ease), transform 0.3s var(--ease);
}

.social-links a svg {
  width: 17px;
  height: 17px;
}

.social-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-faint);
}

.social-links--footer {
  margin-top: 0;
  gap: 12px;
}

.social-links--footer a {
  width: 32px;
  height: 32px;
  color: var(--text-faint);
}

.social-links--footer a svg {
  width: 14px;
  height: 14px;
}

/* ---------- 404 ---------- */

.error-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 80px;
  background:
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(205, 168, 107, 0.10), transparent 60%),
    linear-gradient(180deg, #0a0a0c 0%, #08080a 60%, #08080a 100%);
}

.error-code {
  font-size: clamp(5rem, 18vw, 11rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 18px;
}

.error-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.error-hero .section-lead {
  text-align: center;
  margin: 0 auto 40px;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .nav-links { display: none; }

  .cards { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .tiers { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 44px; }

  .section { padding: 110px 0; }
  .contact { padding-bottom: 140px; }
}

@media (max-width: 560px) {
  .container { padding: 0 22px; }
  .work-grid { grid-template-columns: 1fr; gap: 16px; }
  .work-item { aspect-ratio: 4 / 3; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }

  .footer-inner {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 22px;
  }
  .social-links--footer { gap: 20px; }
}