/* ==========================================================================
   Third Rock — site.css
   Page-level styles for the website UI kit. Sits on top of colors_and_type.css.
   ========================================================================== */

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

html, body { background: var(--color-cream); overflow-x: clip; }
html { scroll-behavior: smooth; }

img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.section-loam {
  background: var(--color-loam);
  color: var(--fg-on-dark);
}
.section-loam h1, .section-loam h2, .section-loam h3 { color: #fff; }
.section-loam .lead { color: rgba(246, 241, 231, 0.62); }
.section-loam .eyebrow { color: var(--color-sun-soft); }

.section-sand { background: var(--color-sand); }

/* ── NAV ─────────────────────────────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 241, 231, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-stone-soft);
  height: 64px;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.nav-logo img { height: 52px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav-link {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
}
.nav-link:hover { color: var(--fg-1); background: rgba(31, 26, 20, 0.04); }
.nav-link.active { color: var(--color-sun-deep); background: var(--color-sun-tint); }

.nav-cta {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  background: var(--color-sun);
  color: var(--fg-on-primary);
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  display: inline-flex; align-items: center; gap: 6px;
}
.nav-cta:hover { background: var(--color-sun-deep); color: var(--fg-on-primary); }
.nav-cta:active { transform: scale(0.985); }

/* ── HERO ────────────────────────────────────────────────────────────── */

.hero {
  padding: var(--space-24) 0 var(--space-20);
  position: relative;
  overflow: visible;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
.hero-eyebrow { margin-bottom: var(--space-5); }
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 6.5vw, var(--text-6xl));
  font-weight: 600;
  font-variation-settings: 'opsz' 96;
  color: var(--fg-1);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  text-wrap: balance;
}
.hero-title .accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--color-earth-deep);
  font-variation-settings: 'opsz' 72;
  letter-spacing: -0.015em;
}
.hero-desc {
  font-size: var(--text-lg);
  color: var(--fg-3);
  line-height: 1.6;
  max-width: 52ch;
  margin-bottom: var(--space-8);
  font-weight: 300;
  text-wrap: pretty;
}
.hero-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; align-items: center; }

.hero-meta {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-stone-soft);
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.hero-meta-num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-2xl);
  color: var(--fg-1);
  font-variation-settings: 'opsz' 32;
  letter-spacing: -0.015em;
}
.hero-meta-lbl {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--fg-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Orbital diagram on the right */
.orbit-wrap {
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  max-width: 500px;
  margin-left: auto;
  mask-image: linear-gradient(to right, transparent 0%, black 28%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 28%);
}

/* ── BUTTONS ─────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  letter-spacing: -0.005em;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}
.btn:active { transform: scale(0.985); }
.btn-lg { font-size: var(--text-md); padding: 0.85rem 1.4rem; }
.btn-primary { background: var(--color-sun); color: var(--fg-on-primary); border-color: var(--color-sun); }
.btn-primary:hover { background: var(--color-sun-deep); border-color: var(--color-sun-deep); color: var(--fg-on-primary); }
.btn-ghost { background: transparent; color: var(--color-earth-deep); border-color: var(--color-earth); }
.btn-ghost:hover { background: var(--color-earth-tint); color: var(--color-earth-deep); }
.btn-secondary { background: transparent; color: var(--fg-1); border-color: var(--color-stone); }
.btn-secondary:hover { background: var(--color-sand); border-color: var(--color-stone); }
.btn-on-dark {
  background: transparent;
  color: #fff;
  border-color: rgba(246, 241, 231, 0.3);
}
.btn-on-dark:hover {
  background: rgba(246, 241, 231, 0.08);
  border-color: rgba(246, 241, 231, 0.55);
}

/* ── SECTION HEADER ──────────────────────────────────────────────────── */

.section-header { margin-bottom: var(--space-12); max-width: 760px; }
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
  font-variation-settings: 'opsz' 64;
  text-wrap: balance;
}
.section-header .lead { font-size: var(--text-lg); }

/* ── SERVICES ────────────────────────────────────────────────────────── */

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.service-card {
  background: #FFFFFF;
  border: 1px solid var(--color-stone-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--transition-base);
}
.service-card:hover { border-color: var(--color-stone); }
.service-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-sun-deep);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  font-variation-settings: 'opsz' 24;
  letter-spacing: -0.015em;
  color: var(--fg-1);
}
.service-card p {
  color: var(--fg-3);
  font-size: var(--text-base);
  line-height: 1.6;
  margin-bottom: 0;
}
.service-deliverable {
  margin-top: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-stone-soft);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--fg-3);
  letter-spacing: 0.04em;
  display: flex; gap: var(--space-2); align-items: baseline;
}
.service-deliverable b {
  color: var(--fg-1);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: var(--text-2xs);
}

/* ── APPROACH ────────────────────────────────────────────────────────── */

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.approach-step {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: 2px solid var(--color-sun);
}
.approach-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-sun-deep);
  letter-spacing: 0.12em;
}
.approach-step h4 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--fg-1);
  font-variation-settings: 'opsz' 24;
}
.approach-step p { color: var(--fg-3); font-size: var(--text-base); line-height: 1.6; margin: 0; }

/* ── CASE STUDY ──────────────────────────────────────────────────────── */

.case {
  background: var(--color-loam);
  color: var(--fg-on-dark);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: var(--space-12);
}
.case-body { padding: var(--space-12) var(--space-10); display: flex; flex-direction: column; gap: var(--space-5); }
.case-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-sun-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.case-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  font-variation-settings: 'opsz' 48;
  color: #fff;
  letter-spacing: -0.025em;
  line-height: 1.1;
  text-wrap: balance;
}
.case-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: var(--text-xl);
  font-variation-settings: 'opsz' 32;
  color: rgba(246, 241, 231, 0.85);
  line-height: 1.45;
  letter-spacing: -0.01em;
  border-left: 2px solid var(--color-sun);
  padding-left: var(--space-4);
  margin-top: var(--space-2);
}
.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(246, 241, 231, 0.12);
}
.case-stat-num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-2xl);
  font-variation-settings: 'opsz' 32;
  color: #fff;
  letter-spacing: -0.02em;
}
.case-stat-num.moss { color: #B9CCA1; }
.case-stat-num.sun  { color: var(--color-sun-soft); }
.case-stat-num.mono { font-family: var(--font-mono); font-size: var(--text-lg); }
.case-stat-lbl {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(246, 241, 231, 0.5);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: var(--space-1);
}
.case-map {
  background: #2A241B;
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── CONTACT ─────────────────────────────────────────────────────────── */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-16);
  align-items: start;
}
.contact-info h2 { margin-bottom: var(--space-4); }
.contact-info p { color: var(--fg-3); margin-bottom: var(--space-6); }
.contact-coord {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--fg-3);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
}
.contact-coord b { color: var(--color-sun-deep); font-weight: 500; }

.form {
  background: #FFFFFF;
  border: 1px solid var(--color-stone-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-5);
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg-1);
  letter-spacing: -0.005em;
}
.field-input,
.field-textarea,
.field-select {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--fg-2);
  background: #FFFFFF;
  border: 1.5px solid var(--color-stone-soft);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.85rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}
.field-input::placeholder, .field-textarea::placeholder { color: var(--fg-3); }
.field-input:hover, .field-textarea:hover, .field-select:hover { border-color: var(--color-stone); }
.field-input:focus, .field-textarea:focus, .field-select:focus {
  border-color: var(--color-sun);
  box-shadow: 0 0 0 3px var(--color-sun-tint);
}
.field-textarea { min-height: 120px; resize: vertical; line-height: 1.55; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }

/* ── FOOTER ──────────────────────────────────────────────────────────── */

.footer {
  background: var(--color-loam);
  color: rgba(246, 241, 231, 0.5);
  padding: var(--space-16) 0 var(--space-8);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
.footer-brand { display: flex; flex-direction: column; gap: var(--space-4); align-items: flex-start; }
.footer-brand img { height: 52px; width: auto; max-width: 300px; object-fit: contain; filter: brightness(0) invert(1); opacity: 0.95; }
.footer-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-lg);
  color: rgba(246, 241, 231, 0.7);
  max-width: 30ch;
  line-height: 1.45;
}
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(246, 241, 231, 0.4);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  font-weight: 500;
}
.footer-link {
  display: block;
  font-size: var(--text-sm);
  color: rgba(246, 241, 231, 0.6);
  text-decoration: none;
  padding: var(--space-1) 0;
  transition: color var(--transition-fast);
}
.footer-link:hover { color: #fff; }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-6) 0;
  border-top: 1px solid rgba(246, 241, 231, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(246, 241, 231, 0.3);
  letter-spacing: 0.06em;
}

/* ── MORE (Project map + Field notes teasers) ───────────────────────── */

.more {
  background: var(--color-loam);
  color: var(--fg-on-dark);
}
.more .section-header h2 { color: #fff; }
.more .section-header .lead { color: rgba(246, 241, 231, 0.62); }
.more .section-header .eyebrow { color: var(--color-sun-soft); }

.more-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}
.more-card {
  display: flex;
  flex-direction: column;
  background: var(--color-loam-surface);
  border: 1px solid rgba(246, 241, 231, 0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: border-color var(--transition-base), transform var(--transition-base);
}
.more-card:hover {
  border-color: rgba(212, 160, 58, 0.5);
  transform: translateY(-2px);
}
.more-card:hover .more-card__arrow { color: var(--color-sun); }

.more-card__chrome {
  height: 200px;
  overflow: hidden;
  background: var(--color-sand);
  border-bottom: 1px solid rgba(246, 241, 231, 0.08);
  display: flex;
  align-items: stretch;
}
.more-card__chrome svg { width: 100%; height: 100%; display: block; }

.more-card__body {
  padding: var(--space-10) var(--space-10) var(--space-12);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex: 1;
}
.more-card__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-sun-soft);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}
.more-card__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  font-variation-settings: 'opsz' 36;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: #fff;
  max-width: 20ch;
  text-wrap: balance;
}
.more-card__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--color-sun-soft);
  font-variation-settings: 'opsz' 36;
  letter-spacing: -0.012em;
}
.more-card__meta {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(246, 241, 231, 0.10);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(246, 241, 231, 0.5);
  letter-spacing: 0.06em;
}
.more-card__meta b {
  color: var(--color-sun-soft);
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}
.more-card__arrow {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: rgba(246, 241, 231, 0.65);
  letter-spacing: -0.005em;
  font-weight: 500;
  transition: color var(--transition-fast), transform var(--transition-fast);
}
.more-card:hover .more-card__arrow { transform: translateX(2px); }

/* Field notes preview — fake post stack */
.post-stack {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: #FFFFFF;
  width: 100%;
  height: 100%;
}
.post-stack__post {
  background: var(--color-cream);
  border: 1px solid var(--color-stone-soft);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.post-stack__post.offset {
  margin-left: var(--space-6);
  opacity: 0.7;
}
.post-stack__cat {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--color-sun-deep);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}
.post-stack__title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg-1);
  line-height: 1.2;
}
.post-stack__rule {
  height: 2px;
  width: 24px;
  background: var(--color-sun);
  border-radius: 1px;
  margin: 2px 0;
}
.post-stack__body {
  height: 6px;
  background: var(--color-stone-soft);
  border-radius: 3px;
  width: 100%;
}
.post-stack__body.short { width: 65%; }

@media (max-width: 780px) {
  .more-grid { grid-template-columns: 1fr; }
}

/* ── END MORE ────────────────────────────────────────────────────────── */


@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 0; position: relative; }
  .hero-grid > div:first-child { position: relative; z-index: 1; }
  .orbit-wrap {
    position: absolute;
    right: -40px;
    top: 50%;
    transform: translateY(-50%);
    width: 90vw;
    max-width: 380px;
    margin: 0;
    opacity: 0.12;
    pointer-events: none;
    z-index: 0;
    mask-image: none;
    -webkit-mask-image: none;
  }
  .services-grid { grid-template-columns: 1fr; }
  .approach-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .case { grid-template-columns: 1fr; }
  .case-map { min-height: 280px; }
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .footer-inner { grid-template-columns: 1fr 1fr 1fr; gap: var(--space-8); }
  .footer-brand { grid-column: 1 / -1; }
  .nav-links { display: none; }
}

@media (max-width: 600px) {
  .field-row { grid-template-columns: 1fr; }
  .case-stats { grid-template-columns: 1fr; gap: var(--space-3); }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--space-2); text-align: center; }
}

/* ── MOBILE NAV ──────────────────────────────────────────────────────────── */

.nav-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
}
.nav-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--fg-1);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

@media (max-width: 960px) {
  .nav-menu-btn { display: flex; }

  .nav--open .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(246, 241, 231, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-stone-soft);
    padding: var(--space-4) var(--space-6);
    gap: var(--space-1);
    z-index: 99;
    box-shadow: var(--shadow-lg);
  }

  .nav--open .nav-links li { border-bottom: 1px solid var(--color-stone-soft); }
  .nav--open .nav-links li:last-child { border-bottom: none; }
  .nav--open .nav-links .nav-link {
    font-size: var(--text-md);
    padding: var(--space-4) var(--space-2);
    color: var(--fg-2);
    border-radius: 0;
    width: 100%;
    letter-spacing: -0.01em;
  }
  .nav--open .nav-links .nav-link:hover { color: var(--fg-1); background: transparent; }
  .nav--open .nav-links .nav-link.active { color: var(--color-sun-deep); background: transparent; }

  .nav--open .nav-menu-btn span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav--open .nav-menu-btn span:nth-child(2) { opacity: 0; }
  .nav--open .nav-menu-btn span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}