/* ============================================================
   RT Designs — site styles
   System: warm editorial portfolio
   ============================================================ */

:root {
  /* type */
  --display: "Newsreader", ui-serif, Georgia, serif;
  --body: "Geist", ui-sans-serif, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  /* palette — warm cream (default) */
  --bg: #F4F0E8;
  --bg-2: #EDE7DB;
  --bg-3: #E4DCCB;
  --ink: #1C1A14;
  --ink-2: #4A4538;
  --ink-3: #8A8474;
  --rule: #D9D1BE;
  --accent: #B5532A;       /* clay */
  --accent-ink: #FFFFFF;

  /* shape */
  --radius-sm: 4px;
  --radius: 10px;
  --radius-lg: 18px;

  /* layout */
  --maxw: 1240px;
  --pad: clamp(20px, 4vw, 56px);
}

[data-palette="sage"] {
  --bg: #EFEFE7;
  --bg-2: #E6E7DC;
  --bg-3: #D8DAC8;
  --ink: #1A1D17;
  --ink-2: #44473C;
  --ink-3: #828574;
  --rule: #CDD0BD;
  --accent: #5A6B43;
}

[data-palette="steel"] {
  --bg: #ECEDEE;
  --bg-2: #E2E4E6;
  --bg-3: #D4D6DA;
  --ink: #14181C;
  --ink-2: #3D434B;
  --ink-3: #7B828B;
  --rule: #C7CACE;
  --accent: #2F5D7A;
}

[data-pairing="serif"] {
  --display: "Instrument Serif", ui-serif, Georgia, serif;
  --body: "DM Sans", ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
}

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

/* ---------- Type ---------- */
.display {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.02;
  text-wrap: pretty;
}
.display em { font-style: italic; color: var(--accent); }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.spec {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  text-transform: uppercase;
}

/* ---------- Layout ---------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.section { padding: clamp(56px, 8vw, 120px) 0; }
.section-tight { padding: clamp(40px, 5vw, 72px) 0; }

.divider {
  height: 1px;
  background: var(--rule);
  border: 0;
  margin: 0;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  display: grid; place-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
}
.nav-link {
  font-size: 14px;
  color: var(--ink-2);
  padding: 6px 0;
  position: relative;
  transition: color .2s;
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--ink); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: var(--ink);
}
@media (max-width: 720px) {
  .nav-link.about-hide { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  cursor: pointer;
  transition: transform .15s ease, background .2s;
  font-family: inherit;
}
.btn:hover { transform: translateY(-1px); background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--bg); }
.btn-arrow::after {
  content: "→";
  font-family: var(--mono);
  transition: transform .2s;
}
.btn:hover .btn-arrow::after,
.btn.btn-arrow:hover::after { transform: translateX(3px); }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(56px, 8vw, 100px); padding-bottom: clamp(40px, 6vw, 72px); }
.hero h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(48px, 8vw, 112px);
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 0.98;
}
.hero h1 em { font-style: italic; color: var(--accent); }
.hero-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}
.hero-lede {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.45;
  color: var(--ink-2);
  max-width: 38ch;
}
.hero-actions {
  display: flex;
  gap: 10px;
  align-self: end;
  flex-wrap: wrap;
}
@media (max-width: 720px) {
  .hero-meta { grid-template-columns: 1fr; }
}

/* ---------- Featured Work ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(16px, 2vw, 24px);
}
@media (max-width: 800px) {
  .feature-grid { grid-template-columns: 1fr; }
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: clamp(28px, 4vw, 48px);
}
.section-head h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(32px, 4.5vw, 56px);
  margin: 0;
  letter-spacing: -0.015em;
  line-height: 1.05;
  max-width: 18ch;
}
.section-head h2 em { font-style: italic; color: var(--accent); }
.section-head .eyebrow { margin-bottom: 12px; display: block; }

/* ---------- Project Card / Placeholder ---------- */
.card {
  display: block;
  cursor: pointer;
}
.card-media {
  position: relative;
  width: 100%;
  background: var(--bg-2);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--rule);
  transition: transform .25s ease;
}
.card:hover .card-media { transform: translateY(-3px); }
.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 14px;
  gap: 16px;
}
.card-title {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.005em;
}
.card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1px solid var(--rule);
  border-radius: 999px;
}

/* placeholder visuals */
.ph {
  width: 100%;
  aspect-ratio: 4 / 3;
  position: relative;
  display: grid;
  place-items: center;
}
.ph-tall { aspect-ratio: 3 / 4; }
.ph-wide { aspect-ratio: 16 / 9; }
.ph-square { aspect-ratio: 1 / 1; }
.ph svg { width: 100%; height: 100%; position: absolute; inset: 0; }
.ph-label {
  position: relative;
  z-index: 1;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: var(--bg);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.ph-label::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}

/* ---------- Stats / Marquee ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.stat {
  background: var(--bg);
  padding: 28px 24px;
}
.stat-num {
  font-family: var(--display);
  font-size: clamp(36px, 4vw, 56px);
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 8px;
}
@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Pricing rows ---------- */
.price-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.5fr 0.6fr;
  gap: 24px;
  padding: 36px 0;
  border-top: 1px solid var(--rule);
  align-items: start;
}
.price-row:last-child { border-bottom: 1px solid var(--rule); }
.price-row:hover { background: var(--bg-2); }
.price-row { transition: background .2s; }
.price-name {
  font-family: var(--display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.price-name .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  display: block;
  margin-bottom: 8px;
}
.price-features { color: var(--ink-2); font-size: 14px; }
.price-features ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.price-features li::before {
  content: "—  ";
  color: var(--ink-3);
}
.price-amount {
  font-family: var(--display);
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: -0.01em;
}
.price-amount small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 4px;
}
.price-action { display: flex; justify-content: flex-end; }

@media (max-width: 880px) {
  .price-row {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 32px 0;
  }
  .price-action { justify-content: flex-start; }
}

/* ---------- Process steps ---------- */
.process-step {
  display: grid;
  grid-template-columns: 60px 1fr 1.4fr;
  gap: clamp(16px, 3vw, 40px);
  padding: clamp(32px, 4vw, 48px) 0;
  border-top: 1px solid var(--rule);
  align-items: start;
}
.process-step:last-child { border-bottom: 1px solid var(--rule); }
.process-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  padding-top: 8px;
}
.process-title {
  font-family: var(--display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin: 0;
}
.process-body {
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.55;
  max-width: 52ch;
}
.process-body p { margin: 0 0 12px; }
.process-body p:last-child { margin: 0; }
.process-tags {
  display: flex; gap: 6px; margin-top: 14px; flex-wrap: wrap;
}

@media (max-width: 760px) {
  .process-step { grid-template-columns: 1fr; }
}

/* ---------- Contact form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(32px, 6vw, 80px);
}
@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.field {
  display: grid;
  gap: 6px;
  margin-bottom: 22px;
}
.field label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.field input, .field textarea, .field select {
  font-family: inherit;
  font-size: 16px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  padding: 10px 0;
  outline: none;
  transition: border-color .2s;
  width: 100%;
  border-radius: 0;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--ink);
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
@media (max-width: 600px) { .field-row { grid-template-columns: 1fr; } }

.radio-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.radio-pill {
  border: 1px solid var(--rule);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
  background: transparent;
  color: var(--ink-2);
  font-family: inherit;
}
.radio-pill:hover { border-color: var(--ink); color: var(--ink); }
.radio-pill.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}

.form-success {
  border: 1px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg));
  padding: 20px 24px;
  border-radius: var(--radius);
  display: flex;
  gap: 14px;
  align-items: start;
}
.form-success-mark {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  display: grid; place-items: center;
  flex-shrink: 0;
  font-size: 14px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--ink);
  color: var(--bg);
  padding: clamp(48px, 6vw, 80px) 0 32px;
}
.footer-cta h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 88px);
  margin: 0 0 32px;
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.footer-cta h2 em { font-style: italic; color: var(--accent); }
.footer-cta .btn {
  background: var(--bg);
  color: var(--ink);
  border-color: var(--bg);
}
.footer-cta .btn:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.footer-meta {
  margin-top: clamp(48px, 8vw, 96px);
  padding-top: 24px;
  border-top: 1px solid color-mix(in srgb, var(--bg) 25%, transparent);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--bg) 60%, transparent);
}
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a:hover { color: var(--bg); }

/* ---------- Page transition ---------- */
.page-enter {
  animation: pageIn .45s cubic-bezier(.2,.7,.3,1);
}
@keyframes pageIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Projects gallery ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(16px, 2vw, 28px);
  row-gap: clamp(40px, 5vw, 64px);
}
.g-item { display: block; }
.g-6 { grid-column: span 6; }
.g-7 { grid-column: span 7; }
.g-5 { grid-column: span 5; }
.g-8 { grid-column: span 8; }
.g-4 { grid-column: span 4; }
.g-12 { grid-column: span 12; }
@media (max-width: 800px) {
  .g-6, .g-7, .g-5, .g-8, .g-4, .g-12 { grid-column: span 12; }
}

/* ---------- Filters ---------- */
.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: clamp(32px, 4vw, 48px);
}
.filter-pill {
  border: 1px solid var(--rule);
  background: transparent;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  color: var(--ink-2);
  transition: all .15s;
}
.filter-pill:hover { border-color: var(--ink); color: var(--ink); }
.filter-pill.active { background: var(--ink); border-color: var(--ink); color: var(--bg); }

/* ---------- Analysis services ---------- */
.analysis-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.analysis-item {
  background: var(--bg);
  padding: 28px;
  display: grid;
  gap: 10px;
}
.analysis-item h4 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 24px;
  margin: 0;
  letter-spacing: -0.01em;
}
.analysis-item p {
  margin: 0;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.55;
  max-width: 44ch;
}
@media (max-width: 760px) {
  .analysis-grid { grid-template-columns: 1fr; }
}

.disclaimer {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 22px 26px;
  background: var(--bg-2);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-top: 28px;
  align-items: start;
}
.disclaimer-mark {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  padding-top: 2px;
  white-space: nowrap;
}
.disclaimer-body {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 70ch;
}
.disclaimer-body strong {
  color: var(--ink);
  font-weight: 500;
}

/* ---------- Misc ---------- */
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 18px;
}
.kicker::before {
  content: "";
  width: 18px; height: 1px;
  background: var(--accent);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }

.deliverables {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 24px;
}
.deliverable {
  background: var(--bg);
  padding: 22px;
}
.deliverable .spec { display: block; margin-bottom: 8px; }
.deliverable strong {
  font-family: var(--display);
  font-weight: 400;
  font-size: 18px;
}
@media (max-width: 760px) { .deliverables { grid-template-columns: 1fr; } }
@media (min-width: 761px) and (max-width: 1000px) { .deliverables { grid-template-columns: repeat(2, 1fr); } }