/* ============================================================
   Hot Tonic Mastering — Design System v2
   Editorial dark theme: Cormorant Garamond serif + Inconsolata mono,
   warm gold accent, subtle grain, scroll reveals.
   ============================================================ */

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

:root {
  --bg:        #0b0b0c;
  --bg2:       #111114;
  --surface:   #161619;
  --border:    rgba(255,255,255,0.07);
  --text:      #f5f1e9;
  --muted:     #948f86;
  --accent:    #c8a96e;
  --accent2:   #8ab4a0;
  --warm:      #d4c4a0;
  --serif:     'Cormorant Garamond', Georgia, serif;
  --mono:      'Inconsolata', monospace;
  --container: 1200px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

a, button { cursor: pointer; }
img { max-width: 100%; display: block; }

/* ── Grain overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9999;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 4rem; }
@media (max-width: 900px) { .container { padding: 0 1.5rem; } }

/* ── Nav ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 3rem;
  background: linear-gradient(to bottom, rgba(11,11,12,0.95), transparent);
}

.nav-logo {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-decoration: none;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active { color: var(--text); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.15rem;
  width: 40px; height: 40px;
  border-radius: 4px;
}

@media (max-width: 860px) {
  nav { padding: 1.25rem 1.5rem; }
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 240px;
    background: var(--bg2);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: translateX(0); }
}

/* ── Section rule / eyebrow ── */
.section-rule { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 3rem; }
.section-rule::before { content: ''; display: block; width: 30px; height: 1px; background: var(--accent); }
.section-rule span { font-size: 11px; letter-spacing: 0.3em; text-transform: uppercase; color: var(--accent); }

.eyebrow { font-size: 11px; letter-spacing: 0.35em; text-transform: uppercase; color: var(--accent); margin-bottom: 2rem; }

h1, h2, h3 { font-family: var(--serif); font-weight: 300; color: var(--text); }
h1 em, h2 em { font-style: italic; color: var(--accent); }
p { color: var(--muted); }

/* ── Hero ── */
.hero { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; position: relative; overflow: hidden; padding-top: 0; }

.hero-left { display: flex; flex-direction: column; justify-content: center; padding: 8rem 4rem 4rem 4rem; position: relative; z-index: 2; }

.hero-eyebrow { font-size: 11px; letter-spacing: 0.35em; text-transform: uppercase; color: var(--accent); margin-bottom: 2rem; opacity: 0; animation: fadeUp 0.8s ease forwards 0.2s; }

.hero-title { font-family: var(--serif); font-size: clamp(3rem, 5.5vw, 5rem); font-weight: 300; line-height: 1.0; letter-spacing: -0.01em; color: var(--text); margin-bottom: 1rem; opacity: 0; animation: fadeUp 0.8s ease forwards 0.4s; }
.hero-title em { font-style: italic; color: var(--accent); }

.hero-location { font-size: 11px; letter-spacing: 0.3em; text-transform: uppercase; color: var(--muted); margin-bottom: 3rem; opacity: 0; animation: fadeUp 0.8s ease forwards 0.55s; }

.hero-desc { font-size: 14px; color: var(--muted); max-width: 380px; line-height: 1.9; margin-bottom: 3rem; opacity: 0; animation: fadeUp 0.8s ease forwards 0.7s; }

.hero-cta { display: inline-flex; align-items: center; gap: 1rem; color: var(--text); text-decoration: none; font-size: 12px; letter-spacing: 0.25em; text-transform: uppercase; opacity: 0; animation: fadeUp 0.8s ease forwards 0.85s; transition: color 0.3s; width: fit-content; }
.hero-cta::after { content: ''; display: block; width: 40px; height: 1px; background: var(--accent); transition: width 0.4s ease; }
.hero-cta:hover { color: var(--accent); }
.hero-cta:hover::after { width: 70px; }

.hero-right { position: relative; overflow: hidden; }
.hero-right::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, var(--bg) 0%, transparent 40%),
    linear-gradient(to bottom, var(--bg) 0%, transparent 20%, transparent 80%, var(--bg) 100%);
  z-index: 1;
}

.hero-img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.3) brightness(0.5); opacity: 0; animation: fadeIn 1.2s ease forwards 0.5s; }

.waveform { position: absolute; bottom: 3rem; left: 4rem; display: flex; align-items: center; gap: 2px; opacity: 0; animation: fadeUp 0.8s ease forwards 1s; }
.waveform-bar { width: 2px; background: var(--accent); border-radius: 1px; animation: wave 1.4s ease-in-out infinite; opacity: 0.6; }
@keyframes wave { 0%, 100% { transform: scaleY(1); } 50% { transform: scaleY(0.3); } }

/* ── Page hero (subpages, no split image) ── */
.page-hero { padding: 9rem 4rem 4rem; border-bottom: 1px solid var(--border); }
.page-hero h1 { font-size: clamp(2.4rem, 4.5vw, 3.4rem); margin-bottom: 0.75rem; }
.page-hero .hero-desc { margin-bottom: 0; opacity: 1; animation: none; max-width: 520px; }

/* ── About ── */
.about { padding: 8rem 4rem; display: grid; grid-template-columns: 1fr 1.4fr; gap: 6rem; align-items: center; max-width: var(--container); margin: 0 auto; }

.about-label { font-size: 11px; letter-spacing: 0.3em; text-transform: uppercase; color: var(--accent); writing-mode: vertical-rl; text-orientation: mixed; transform: rotate(180deg); align-self: flex-start; margin-top: 0.5rem; }

.about-body h2 { font-size: clamp(2rem, 3.5vw, 3rem); line-height: 1.2; margin-bottom: 1.5rem; }
.about-body p { font-size: 14px; line-height: 1.9; margin-bottom: 1.2rem; }

.adm-badge { display: inline-flex; align-items: center; gap: 0.75rem; margin-top: 2rem; padding: 0.75rem 1.25rem; border: 1px solid var(--border); background: var(--surface); }
.adm-badge img { height: 24px; filter: brightness(0.85); }
.adm-badge span { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }

.badge-row { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.location-badge { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--border); padding: 0.75rem 1.25rem; }

@media (max-width: 900px) {
  .about { grid-template-columns: 1fr; padding: 5rem 1.5rem; gap: 2rem; }
  .about-label { writing-mode: horizontal-tb; transform: none; }
}

/* ── Services ── */
.services { background: var(--bg2); padding: 8rem 4rem; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.services-inner { max-width: var(--container); margin: 0 auto; }
.services-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 5rem; gap: 2rem; }
.services-header h2 { font-size: clamp(2rem, 3.5vw, 3rem); }
.services-header p { font-size: 13px; max-width: 300px; text-align: right; line-height: 1.8; }

.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); }
.service-card { background: var(--bg2); padding: 3rem 2.5rem; transition: background 0.3s; }
.service-card:hover { background: var(--surface); }
.service-num { font-size: 11px; letter-spacing: 0.3em; color: var(--accent); margin-bottom: 1.5rem; opacity: 0.7; }
.service-card h3 { font-size: 1.55rem; font-weight: 400; margin-bottom: 1rem; line-height: 1.2; }
.service-card p { font-size: 13px; line-height: 1.8; }

@media (max-width: 900px) {
  .services { padding: 5rem 1.5rem; }
  .services-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .services-header p { text-align: left; }
  .services-grid { grid-template-columns: 1fr; }
}

/* ── Equipment ── */
.equipment { padding: 8rem 4rem; max-width: var(--container); margin: 0 auto; }
.equipment h2 { font-size: clamp(2rem, 3.5vw, 3rem); margin-bottom: 4rem; }
.gear-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 3rem; }
.gear-cat h4 { font-size: 10px; letter-spacing: 0.35em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.2rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border); }
.gear-cat ul { list-style: none; }
.gear-cat li { font-size: 13px; color: var(--muted); padding: 0.3rem 0; line-height: 1.6; }

.session-shots { margin-top: 5rem; }
.session-shot { border: 1px solid var(--border); overflow: hidden; margin-bottom: 1rem; background: var(--surface); }
.session-shot img { width: 100%; height: auto; display: block; opacity: 0.92; }

@media (max-width: 900px) {
  .equipment { padding: 5rem 1.5rem; }
  .gear-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
}

/* ── Process ── */
.process { background: var(--bg2); padding: 8rem 4rem; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.process-inner { max-width: var(--container); margin: 0 auto; }
.process-inner h2 { font-size: clamp(2rem, 3.5vw, 3rem); margin-bottom: 4rem; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.steps::before { content: ''; position: absolute; top: 1.1rem; left: 1.5rem; right: 1.5rem; height: 1px; background: var(--border); }
.step { padding: 0 1.5rem; padding-top: 3rem; position: relative; }
.step-dot { position: absolute; top: 0; left: 1.5rem; width: 10px; height: 10px; border-radius: 50%; background: var(--bg2); border: 1px solid var(--accent); }
.step-num { font-size: 11px; letter-spacing: 0.3em; color: var(--accent); margin-bottom: 0.75rem; }
.step h3 { font-size: 1.25rem; font-weight: 400; margin-bottom: 0.75rem; }
.step p { font-size: 12px; line-height: 1.8; }

@media (max-width: 900px) {
  .process { padding: 5rem 1.5rem; }
  .steps { grid-template-columns: 1fr; gap: 2rem; }
  .steps::before { display: none; }
  .step { padding: 0 0 0 2rem; }
  .step-dot { top: 0; left: 0; }
}

/* ── Discography ── */
.discography { padding: 8rem 4rem; max-width: var(--container); margin: 0 auto; }
.discography-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 4rem; gap: 1.5rem; }
.discography-header h2 { font-size: clamp(2rem, 3.5vw, 3rem); }
.discography-header a { font-size: 11px; letter-spacing: 0.25em; text-transform: uppercase; color: var(--muted); text-decoration: none; transition: color 0.3s; display: flex; align-items: center; gap: 0.75rem; white-space: nowrap; }
.discography-header a::after { content: ''; display: block; width: 20px; height: 1px; background: var(--muted); transition: width 0.3s, background 0.3s; }
.discography-header a:hover { color: var(--accent); }
.discography-header a:hover::after { width: 35px; background: var(--accent); }

.releases-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.release-card { position: relative; aspect-ratio: 1; overflow: hidden; background: var(--surface); text-decoration: none; display: block; }
.release-card img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(0.7) brightness(0.85); transition: filter 0.4s ease, transform 0.5s ease; }
.release-card:hover img { filter: saturate(1) brightness(1); transform: scale(1.04); }
.release-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,11,12,0.92) 0%, transparent 55%); opacity: 0; transition: opacity 0.3s; display: flex; flex-direction: column; justify-content: flex-end; padding: 1.25rem; }
.release-card:hover .release-overlay { opacity: 1; }
.release-title { font-family: var(--serif); font-size: 1.05rem; font-weight: 400; color: var(--text); line-height: 1.2; margin-bottom: 0.25rem; }
.release-artist { font-size: 11px; letter-spacing: 0.15em; color: var(--accent); text-transform: uppercase; }

.release-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: var(--surface); border: 1px solid var(--border); }
.release-placeholder span { font-family: var(--serif); font-size: 0.9rem; color: var(--muted); text-align: center; padding: 1rem; line-height: 1.4; }
.release-placeholder em { color: var(--accent); font-style: italic; }

@media (max-width: 900px) {
  .discography { padding: 5rem 1.5rem; }
  .discography-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .releases-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
}

/* ── FAQ ── */
.faq-page { padding: 8rem 4rem; max-width: 760px; margin: 0 auto; }
.faq-page h2 { font-size: clamp(2rem, 3.5vw, 3rem); margin-bottom: 3rem; }

.delivery-card { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; border: 1px solid var(--border); background: var(--surface); padding: 2rem; margin-bottom: 4rem; }
.delivery-card h3 { font-size: 1.35rem; margin-bottom: 0.4em; font-weight: 400; }
.delivery-card p { font-size: 13px; margin: 0; max-width: 420px; }

.faq-item { border-bottom: 1px solid var(--border); padding: 1.75rem 0; }
.faq-item h3 { font-size: 1.2rem; font-weight: 400; margin-bottom: 0.6em; color: var(--text); }
.faq-item p { font-size: 13.5px; line-height: 1.85; margin: 0; }
.faq-item a { color: var(--accent); }

@media (max-width: 900px) { .faq-page { padding: 5rem 1.5rem; } }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 0.6em; padding: 0.9em 1.6em; border: 1px solid var(--border); color: var(--text); text-decoration: none; font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; transition: border-color 0.3s, color 0.3s; background: var(--surface); }
.btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Contact ── */
.contact { padding: 10rem 4rem; display: flex; flex-direction: column; align-items: center; text-align: center; position: relative; max-width: var(--container); margin: 0 auto; }
.contact::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 1px; height: 80px; background: linear-gradient(to bottom, transparent, var(--border)); }
.contact h2 { font-size: clamp(2.6rem, 5.5vw, 4.5rem); line-height: 1.1; margin-bottom: 1.5rem; }
.contact p { font-size: 14px; max-width: 420px; line-height: 1.9; margin-bottom: 3rem; }
.contact-email { display: inline-block; font-family: var(--serif); font-size: 1.45rem; font-weight: 300; color: var(--accent); text-decoration: none; letter-spacing: 0.05em; border-bottom: 1px solid transparent; transition: border-color 0.3s; margin-bottom: 3rem; }
.contact-email:hover { border-color: var(--accent); }
.contact-list { list-style: none; margin: 0 0 3rem; padding: 0; }
.contact-list li { margin-bottom: 1rem; }
.contact-list .label { display: block; font-size: 10px; letter-spacing: 0.25em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.4em; }

.social-links { display: flex; gap: 2rem; }
.social-links a { font-size: 11px; letter-spacing: 0.25em; text-transform: uppercase; color: var(--muted); text-decoration: none; transition: color 0.3s; }
.social-links a:hover { color: var(--text); }

@media (max-width: 900px) { .contact { padding: 6rem 1.5rem; } }

/* ── Footer ── */
footer { border-top: 1px solid var(--border); padding: 2rem 4rem; display: flex; justify-content: space-between; align-items: center; }
footer span { font-size: 11px; letter-spacing: 0.2em; color: var(--muted); }
@media (max-width: 900px) { footer { padding: 1.5rem; flex-direction: column; gap: 1rem; text-align: center; } }

/* ── Animations ── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.reveal { opacity: 1; transform: translateY(24px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-left { padding: 7rem 1.5rem 3rem; }
  .hero-right { height: 300px; }
  .hero-right::before { background: linear-gradient(to bottom, var(--bg) 0%, transparent 40%, transparent 60%, var(--bg) 100%); }
  .waveform { position: static; margin-top: 0.5rem; }
  .page-hero { padding: 7rem 1.5rem 3rem; }
}