/* VisualSynth — Spectral Synthesis Design System */
:root {
  --void-bg: #0C0B12;
  --void-fg: #F0EEF4;
  --porcelain-bg: #F0EEF4;
  --porcelain-fg: #0C0B12;
  --slate-bg: #1A1826;
  --slate-fg: #F0EEF4;
  --magenta-bg: #DB3FB0;
  --magenta-fg: #0C0B12;
  --font-display: 'Unbounded', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
  --max-width: 1200px;
  --header-height: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--void-fg);
  background: var(--void-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--magenta-bg); text-decoration: none; transition: color var(--transition); }
a:hover { color: #f06bc8; }
ul, ol { padding-left: 1.25rem; }

/* Surfaces */
.surface-void { background: var(--void-bg); color: var(--void-fg); }
.surface-porcelain { background: var(--porcelain-bg); color: var(--porcelain-fg); }
.surface-slate { background: var(--slate-bg); color: var(--slate-fg); }
.surface-magenta { background: var(--magenta-bg); color: var(--magenta-fg); }

.surface-porcelain a { color: var(--magenta-bg); }
.surface-porcelain a:hover { color: #b83296; }

/* Typography */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); margin-bottom: 0.75rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--magenta-bg);
}

.surface-porcelain .eyebrow { color: var(--magenta-bg); }

.lead { font-size: 1.125rem; line-height: 1.7; opacity: 0.92; }

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 5rem 0; }
.section--compact { padding: 3rem 0; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(12, 11, 18, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(240, 238, 244, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--void-fg);
  letter-spacing: -0.03em;
}

.site-logo span { color: var(--magenta-bg); }

.site-nav { display: none; }

.site-nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  padding: 0;
}

.site-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--void-fg);
  opacity: 0.85;
}

.site-nav a:hover,
.site-nav a.is-active {
  opacity: 1;
  color: var(--magenta-bg);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--void-fg);
  transition: var(--transition);
}

@media (min-width: 900px) {
  .site-nav { display: block; }
  .nav-toggle { display: none; }
}

.site-nav.is-open {
  display: block;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--void-bg);
  border-bottom: 1px solid rgba(240, 238, 244, 0.08);
  padding: 1.5rem;
}

.site-nav.is-open ul {
  flex-direction: column;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn--primary {
  background: var(--magenta-bg);
  color: var(--magenta-fg);
}

.btn--primary:hover {
  background: #f06bc8;
  color: var(--magenta-fg);
}

/* Anchor buttons — override global link colours on all surfaces */
a.btn {
  text-decoration: none;
}

a.btn--primary,
a.btn--primary:visited,
a.btn--primary:hover,
a.btn--primary:focus {
  color: var(--magenta-fg);
  background: var(--magenta-bg);
}

a.btn--primary:hover {
  background: #f06bc8;
  color: var(--magenta-fg);
}

.surface-porcelain a.btn--primary,
.surface-porcelain a.btn--primary:visited,
.surface-porcelain a.btn--primary:hover,
.surface-slate a.btn--primary,
.surface-slate a.btn--primary:visited,
.surface-slate a.btn--primary:hover,
.surface-void a.btn--primary,
.surface-void a.btn--primary:visited,
.surface-void a.btn--primary:hover {
  color: var(--magenta-fg);
}

a.btn--secondary,
a.btn--secondary:visited {
  color: var(--void-fg);
  background: transparent;
}

a.btn--secondary:hover,
a.btn--secondary:focus {
  color: var(--magenta-bg);
  background: transparent;
}

.surface-porcelain a.btn--secondary,
.surface-porcelain a.btn--secondary:visited {
  color: var(--porcelain-fg);
}

.surface-porcelain a.btn--secondary:hover,
.surface-porcelain a.btn--secondary:focus {
  color: var(--magenta-bg);
}

.btn--secondary {
  background: transparent;
  color: var(--void-fg);
  border: 1px solid rgba(240, 238, 244, 0.35);
}

.btn--secondary:hover {
  border-color: var(--magenta-bg);
  color: var(--magenta-bg);
}

.surface-porcelain .btn--secondary {
  color: var(--porcelain-fg);
  border-color: rgba(12, 11, 18, 0.25);
}

.surface-porcelain .btn--secondary:hover {
  border-color: var(--magenta-bg);
  color: var(--magenta-bg);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Hero — The Synthesis */
.hero-synthesis {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: calc(var(--header-height) + 3rem) 0 3rem;
  overflow: hidden;
}

.hero-synthesis__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.hero-synthesis__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(12, 11, 18, 0.55) 0%,
    rgba(12, 11, 18, 0.75) 45%,
    rgba(12, 11, 18, 0.92) 100%
  );
  z-index: 1;
}

.hero-synthesis__content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.hero-synthesis__topbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(240, 238, 244, 0.25);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.hero-synthesis__studio-label { color: var(--magenta-bg); }
.hero-synthesis__phase { margin-bottom: 1rem; }
.hero-synthesis__trust {
  margin-top: 2.5rem;
  font-size: 0.75rem;
  color: #8E8A99;
  letter-spacing: 0.04em;
}

.hero-synthesis__eyebrows {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.hero-synthesis__eyebrows .eyebrow { opacity: 0.9; }

.hero-synthesis h1 {
  max-width: 18ch;
  margin-bottom: 1.5rem;
}

.hero-synthesis .lead {
  max-width: 52ch;
  margin-bottom: 2rem;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(240, 238, 244, 0.12);
}

.trust-strip__item {
  font-size: 0.8125rem;
  opacity: 0.75;
}

.trust-strip__item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--magenta-bg);
  margin-bottom: 0.25rem;
}

/* Page hero (inner pages) */
.page-hero {
  padding: calc(var(--header-height) + 4rem) 0 3rem;
}

.page-hero h1 { margin-bottom: 1rem; }

/* Cards */
.card {
  background: var(--slate-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(240, 238, 244, 0.06);
}

.surface-porcelain .card {
  background: #fff;
  border-color: rgba(12, 11, 18, 0.08);
}

.card__image { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.card__body { padding: 1.5rem; }

.service-card {
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(240, 238, 244, 0.08);
  background: var(--slate-bg);
  height: 100%;
}

.surface-porcelain .service-card {
  background: #fff;
  border-color: rgba(12, 11, 18, 0.08);
}

.service-card__number {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--magenta-bg);
  margin-bottom: 1rem;
}

/* Image blocks */
.image-block {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.image-block img { width: 100%; object-fit: cover; }

/* FAQ */
.faq-list { list-style: none; padding: 0; }

.faq-item {
  border-bottom: 1px solid rgba(240, 238, 244, 0.1);
  padding: 1.5rem 0;
}

.surface-porcelain .faq-item {
  border-color: rgba(12, 11, 18, 0.1);
}

.faq-item summary {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--magenta-bg);
  flex-shrink: 0;
}

.faq-item[open] summary::after { content: '−'; }

.faq-item__answer {
  margin-top: 1rem;
  opacity: 0.9;
}

/* Forms */
.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--slate-bg);
  color: var(--void-fg);
  border: 1px solid rgba(240, 238, 244, 0.15);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}

.surface-porcelain .form-input,
.surface-porcelain .form-select,
.surface-porcelain .form-textarea {
  background: #fff;
  color: var(--porcelain-fg);
  border-color: rgba(12, 11, 18, 0.15);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--magenta-bg);
}

.form-textarea { min-height: 140px; resize: vertical; }

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
}

.form-checkbox input { margin-top: 0.25rem; flex-shrink: 0; }

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

/* Footer */
.site-footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(240, 238, 244, 0.08);
}

.surface-porcelain .site-footer {
  border-color: rgba(12, 11, 18, 0.08);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .site-footer__grid { grid-template-columns: 2fr 1fr 1fr; }
}

.site-footer__brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.site-footer__nav ul {
  list-style: none;
  padding: 0;
}

.site-footer__nav li { margin-bottom: 0.5rem; }

.site-footer__nav a {
  font-size: 0.875rem;
  color: inherit;
  opacity: 0.8;
}

.site-footer__nav a:hover { opacity: 1; color: var(--magenta-bg); }

.site-footer__legal {
  font-size: 0.8125rem;
  opacity: 0.7;
  padding-top: 2rem;
  border-top: 1px solid rgba(240, 238, 244, 0.06);
}

.surface-porcelain .site-footer__legal {
  border-color: rgba(12, 11, 18, 0.06);
}

.site-footer__disclaimer {
  margin-top: 1rem;
  font-size: 0.75rem;
  opacity: 0.6;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background: var(--slate-bg);
  border-top: 1px solid rgba(240, 238, 244, 0.1);
  padding: 1.5rem;
  display: none;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);
}

.cookie-banner.is-visible { display: block; }

.cookie-banner__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cookie-banner__text {
  flex: 1;
  min-width: 240px;
  font-size: 0.875rem;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.cookie-banner__actions .btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.75rem;
}

/* Legal prose */
.legal-prose h2 { margin-top: 2.5rem; }
.legal-prose h3 { margin-top: 1.75rem; }
.legal-prose ul, .legal-prose ol { margin-bottom: 1rem; }
.legal-prose li { margin-bottom: 0.5rem; }

/* 404 */
.error-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
}

.error-page h1 { margin-bottom: 1rem; }
.error-page p { max-width: 40ch; opacity: 0.85; margin-bottom: 2rem; }

/* Utility */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

main { padding-top: 0; }

/* Scroll reveal — content visible without JS */
.js .reveal {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    transform: translateY(16px);
    transition: transform 0.6s ease;
  }
  .js .reveal.is-visible {
    transform: translateY(0);
  }
}

.site-header.is-scrolled {
  background: var(--porcelain-bg) !important;
  color: var(--porcelain-fg);
  box-shadow: 0 4px 24px rgba(12, 11, 18, 0.12);
}
.site-header.is-scrolled .site-nav a,
.site-header.is-scrolled .site-logo { color: var(--porcelain-fg); }