/* ────────────────────────────────────────────────────────────────
   Kadim Studios — base styles
   Dark warm-neutral palette, gold accent (configurable via Tweaks).
   ──────────────────────────────────────────────────────────────── */

:root {
  --bg:        oklch(0.155 0.006 70);
  --bg-2:      oklch(0.185 0.006 70);
  --surface:   oklch(0.21 0.006 70);
  --border:    oklch(0.28 0.006 70);
  --border-soft: oklch(0.24 0.006 70);
  --fg:        oklch(0.96 0.005 80);
  --fg-2:      oklch(0.82 0.005 80);
  --muted:     oklch(0.62 0.006 75);
  --muted-2:   oklch(0.46 0.006 75);

  /* accent — overridden inline by JS */
  --accent:        oklch(0.82 0.14 85);
  --accent-soft:   oklch(0.82 0.14 85 / 0.16);
  --accent-line:   oklch(0.82 0.14 85 / 0.35);
  --accent-fg:     oklch(0.2 0.02 85);

  --font-display: "Instrument Serif", "Playfair Display", Georgia, serif;
  --font-sans:    "Space Grotesk", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --maxw: 1240px;
  --gutter: clamp(20px, 4vw, 56px);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Subtle warm grain over the whole page */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: radial-gradient(
    1200px 700px at 80% -10%,
    var(--accent-soft),
    transparent 60%
  ),
  radial-gradient(
    900px 500px at -10% 30%,
    oklch(0.22 0.01 60 / 0.5),
    transparent 70%
  );
  opacity: 0.9;
}
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 0.95 0 0 0 0 0.85 0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  mix-blend-mode: overlay;
}

#root { position: relative; z-index: 2; }

/* ─── Typography ─── */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 18px; height: 1px;
  background: var(--accent);
  display: inline-block;
}

.serif-it { font-style: italic; }

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

/* ─── Shared layout ─── */

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

section { position: relative; }

.section-pad { padding: clamp(80px, 12vw, 160px) 0; }

.divider {
  height: 1px; width: 100%;
  background: linear-gradient(to right, transparent, var(--border) 20%, var(--border) 80%, transparent);
}

/* ─── Nav ─── */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: oklch(0.155 0.006 70 / 0.78);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--border-soft);
  padding: 12px 0;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.005em;
  cursor: pointer;
}
.brand-mark {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  position: relative;
}
.brand-mark svg { width: 100%; height: 100%; }
.brand small {
  font-family: var(--font-mono);
  font-size: 9.5px; letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
  margin-left: 4px;
}
.nav-links {
  display: flex; align-items: center; gap: 36px;
  font-size: 14px;
}
.nav-links a {
  color: var(--fg-2);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s;
}
.nav-links a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  height: 1px; width: 0;
  background: var(--accent);
  transition: width 0.25s ease;
}
.nav-links a:hover { color: var(--fg); }
.nav-links a:hover::after { width: 100%; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  padding: 11px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn:hover { border-color: var(--fg-2); transform: translateY(-1px); }
.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: oklch(from var(--accent) calc(l + 0.04) c h);
  border-color: oklch(from var(--accent) calc(l + 0.04) c h);
  transform: translateY(-1px);
}
.btn-ghost { border-color: var(--border); color: var(--fg-2); }

.hamburger {
  display: none;
  width: 38px; height: 38px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  align-items: center; justify-content: center;
}

/* ─── Hero ─── */

.hero {
  padding-top: clamp(140px, 18vw, 200px);
  padding-bottom: clamp(60px, 10vw, 120px);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
  align-items: end;
}
.hero h1 {
  font-size: clamp(54px, 9vw, 132px);
  line-height: 0.96;
  letter-spacing: -0.025em;
  margin-bottom: 36px;
}
.hero h1 .accent-word {
  color: var(--accent);
  font-style: italic;
}
.hero h1 .line { display: block; }
.hero-sub {
  max-width: 540px;
  color: var(--fg-2);
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.6;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 80px;
  padding-top: 28px;
  border-top: 1px solid var(--border-soft);
}
.hero-meta .item .num {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  display: block;
  line-height: 1;
}
.hero-meta .item .num .plus { color: var(--accent); font-style: italic; }
.hero-meta .item .lbl {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 12px;
  display: block;
}

.hero-tag {
  position: absolute;
  top: 24%; right: var(--gutter);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  display: flex; align-items: center; gap: 14px;
}
.hero-tag .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  animation: pulse 2.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

/* ─── Section header ─── */

.sec-head {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 64px;
}
.sec-head h2 {
  font-size: clamp(40px, 5.5vw, 76px);
  letter-spacing: -0.02em;
}
.sec-head h2 em { color: var(--accent); font-style: italic; }
.sec-head .lede {
  color: var(--fg-2);
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.6;
  max-width: 520px;
}
.sec-head .eyebrow { margin-bottom: 20px; }

/* ─── Services ─── */

.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.svc {
  padding: 44px 32px;
  border-right: 1px solid var(--border-soft);
  position: relative;
  cursor: pointer;
  transition: background 0.3s ease;
  display: flex; flex-direction: column; gap: 18px;
  min-height: 460px;
}
.svc:last-child { border-right: none; }
.svc:hover { background: var(--bg-2); }
.svc .idx {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.14em;
  color: var(--muted);
  display: flex; justify-content: space-between; align-items: center;
}
.svc .idx .icon {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  border-radius: 10px;
  display: grid; place-items: center;
  color: var(--accent);
  transition: all 0.3s ease;
}
.svc:hover .idx .icon {
  border-color: var(--accent-line);
  background: var(--accent-soft);
  transform: rotate(-6deg);
}
.svc h3 {
  font-size: clamp(28px, 3vw, 38px);
  letter-spacing: -0.01em;
}
.svc h3 em { color: var(--accent); font-style: italic; }
.svc p {
  color: var(--fg-2);
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
  flex: 1;
}
.svc-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 6px;
}
.svc-tags span {
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border-soft);
  padding: 4px 9px;
  border-radius: 999px;
}
.svc-cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-2);
  margin-top: 4px;
  transition: color 0.2s, gap 0.2s;
}
.svc:hover .svc-cta { color: var(--accent); gap: 14px; }

/* ─── About ─── */

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}
.about-text h2 {
  font-size: clamp(40px, 5vw, 64px);
  margin-bottom: 28px;
}
.about-text h2 em { color: var(--accent); font-style: italic; }
.about-text p {
  color: var(--fg-2);
  font-size: 16px;
  line-height: 1.7;
  margin: 0 0 18px;
}
.about-text p strong { color: var(--fg); font-weight: 500; }

.about-list {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 28px;
  list-style: none;
  padding: 0;
}
.about-list li {
  display: flex; align-items: center; gap: 12px;
  font-size: 14.5px;
  color: var(--fg-2);
}
.about-list li::before {
  content: "";
  width: 18px; height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

.about-visual {
  aspect-ratio: 4 / 5;
  background: var(--bg-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  display: grid; place-items: center;
}
.about-visual .quote {
  padding: 48px;
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.25;
  color: var(--fg);
  max-width: 460px;
  z-index: 2;
}
.about-visual .quote::before {
  content: "“";
  display: block;
  font-size: 100px;
  line-height: 0.5;
  color: var(--accent);
  margin-bottom: 24px;
}
.about-visual .quote .att {
  display: block;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 28px;
}
.about-visual::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 20%, var(--accent-soft), transparent 50%),
    repeating-linear-gradient(
      135deg,
      transparent 0 24px,
      oklch(0.24 0.006 70 / 0.4) 24px 25px
    );
  z-index: 1;
}

/* ─── Process / philosophy strip ─── */

.philo {
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 28px 0;
  overflow: hidden;
}
.marquee {
  display: flex; gap: 64px;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  white-space: nowrap;
  animation: marquee 38s linear infinite;
  letter-spacing: -0.01em;
}
.marquee span {
  display: inline-flex; align-items: center; gap: 64px;
  color: var(--fg);
}
.marquee em { color: var(--accent); font-style: italic; }
.marquee .sep {
  color: var(--accent);
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 14px;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── Contact ─── */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.contact-info h2 {
  font-size: clamp(40px, 5vw, 68px);
  margin-bottom: 28px;
}
.contact-info h2 em { color: var(--accent); font-style: italic; }
.contact-info > p {
  color: var(--fg-2);
  font-size: 16px;
  line-height: 1.7;
  max-width: 440px;
  margin: 0 0 36px;
}
.contact-detail {
  display: block;
  padding: 18px 0;
  border-top: 1px solid var(--border-soft);
}
.contact-detail:last-child { border-bottom: 1px solid var(--border-soft); }
.contact-detail .k {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}
.contact-detail .v {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px);
  color: var(--fg);
  display: inline-flex; align-items: center; gap: 10px;
}
.contact-detail .v.lnk { transition: color 0.2s; cursor: pointer; }
.contact-detail .v.lnk:hover { color: var(--accent); }

.contact-form {
  background: var(--bg-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: clamp(28px, 3vw, 40px);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.field {
  display: flex; flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}
.field label {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.field label .req { color: var(--accent); }
.field select option {
  background: #1a1a1a;
  color: #e8e2d4;
}
.field input,
.field textarea,
.field select {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--fg);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  outline: none;
  resize: none;
  transition: border-color 0.2s;
  width: 100%;
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  border-bottom-color: var(--accent);
}
.field textarea { min-height: 110px; }
.field.invalid input,
.field.invalid textarea {
  border-bottom-color: oklch(0.65 0.18 25);
}
.field .err {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: oklch(0.74 0.16 25);
}

.budget-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.budget-chips button {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.06em;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-2);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s;
}
.budget-chips button:hover { border-color: var(--fg-2); color: var(--fg); }
.budget-chips button.on {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--fg);
}

.submit-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
  margin-top: 24px;
}
.submit-row .note {
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing: 0.08em;
  color: var(--muted);
}

.form-sent {
  text-align: center;
  padding: 48px 24px;
}
.form-sent .ico {
  width: 56px; height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid; place-items: center;
}
.form-sent h3 {
  font-size: 32px;
  font-family: var(--font-display);
  margin-bottom: 10px;
}
.form-sent h3 em { color: var(--accent); font-style: italic; }
.form-sent p { color: var(--fg-2); margin: 0; }

/* ─── Footer ─── */

.footer {
  border-top: 1px solid var(--border-soft);
  padding: 56px 0 36px;
  margin-top: clamp(60px, 8vw, 100px);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer h4 {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 16px;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer ul a { color: var(--fg-2); font-size: 14.5px; transition: color 0.2s; }
.footer ul a:hover { color: var(--accent); }
.footer-blurb { color: var(--fg-2); font-size: 14.5px; line-height: 1.6; max-width: 380px; margin-top: 14px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
  flex-wrap: wrap; gap: 16px;
}

/* ─── Mobile menu overlay ─── */

.mob-menu {
  position: fixed; inset: 0;
  z-index: 200;
  background: oklch(0.155 0.006 70 / 0.96);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  padding: 24px var(--gutter);
  opacity: 0; pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.2s, transform 0.25s;
}
.mob-menu.open { opacity: 1; pointer-events: auto; transform: translateY(0); }
.mob-menu .top { display: flex; justify-content: space-between; align-items: center; }
.mob-menu ul {
  list-style: none; padding: 0; margin: 60px 0 0;
  display: flex; flex-direction: column;
  gap: 14px;
}
.mob-menu ul a {
  font-family: var(--font-display);
  font-size: 44px;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.mob-menu ul a em { color: var(--accent); font-style: italic; }
.mob-menu .mob-cta { margin-top: auto; margin-bottom: 24px; }

/* ─── Reveal-on-scroll ─── */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive ─── */

@media (max-width: 960px) {
  .nav-links, .nav .btn { display: none; }
  .hamburger { display: inline-flex; }
  .hero-meta { grid-template-columns: 1fr 1fr; }
  .hero-tag { display: none; }
  .sec-head { grid-template-columns: 1fr; gap: 24px; align-items: start; margin-bottom: 40px; }
  .services { grid-template-columns: 1fr; }
  .svc { border-right: none; border-bottom: 1px solid var(--border-soft); min-height: 0; }
  .svc:last-child { border-bottom: none; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .about-visual { aspect-ratio: 5/4; }
}
@media (max-width: 560px) {
  .hero-meta { grid-template-columns: 1fr; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-list { grid-template-columns: 1fr; }
  .mob-menu ul a { font-size: 36px; }
}