/* ============================================================
   SUNBELT PM — Design Tokens
   ============================================================ */

:root,
[data-theme='light'] {
  /* Type scale — fluid clamp() */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.25rem, 0.5rem + 4.6vw, 5rem);

  /* Spacing (4px system) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Surfaces — warm parchment / ivory */
  --color-bg: #f7f4ec;
  --color-surface: #ffffff;
  --color-surface-2: #f1ede1;
  --color-surface-offset: #eae3d2;
  --color-surface-offset-2: #e2dac2;
  --color-divider: #e2dbc7;
  --color-border: #dad2bc;

  /* Text — near-black charcoal */
  --color-text: #1b1a16;
  --color-text-muted: #6b6558;
  --color-text-faint: #a39c89;
  --color-text-inverse: #f7f4ec;

  /* Primary Accent — brass / gold */
  --color-primary: #a9752a;
  --color-primary-hover: #8c5f1e;
  --color-primary-active: #6e4b18;
  --color-primary-highlight: #eadfc4;

  /* Deep ink (secondary dark accent for contrast blocks) */
  --color-ink: #14130f;
  --color-ink-2: #201f19;

  /* Status colors (minimal use) */
  --color-success: #4c7a3a;
  --color-error: #a13a2c;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0.15 0.02 80 / 0.08);
  --shadow-md: 0 8px 24px oklch(0.15 0.02 80 / 0.12);
  --shadow-lg: 0 20px 48px oklch(0.15 0.02 80 / 0.18);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1240px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Georgia', serif;
  --font-body: 'Satoshi', 'Helvetica Neue', Arial, sans-serif;
}

/* DARK MODE */
[data-theme='dark'] {
  --color-bg: #14130f;
  --color-surface: #1b1a15;
  --color-surface-2: #201f19;
  --color-surface-offset: #24231c;
  --color-surface-offset-2: #2a281f;
  --color-divider: #2c2a21;
  --color-border: #383527;

  --color-text: #f1ecde;
  --color-text-muted: #a79e88;
  --color-text-faint: #6e6858;
  --color-text-inverse: #1b1a15;

  --color-primary: #d9a548;
  --color-primary-hover: #e6b563;
  --color-primary-active: #f0c687;
  --color-primary-highlight: #3a331f;

  --color-ink: #0b0a08;
  --color-ink-2: #14130f;

  --color-success: #7cb15f;
  --color-error: #d9705c;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #14130f;
    --color-surface: #1b1a15;
    --color-surface-2: #201f19;
    --color-surface-offset: #24231c;
    --color-surface-offset-2: #2a281f;
    --color-divider: #2c2a21;
    --color-border: #383527;
    --color-text: #f1ecde;
    --color-text-muted: #a79e88;
    --color-text-faint: #6e6858;
    --color-text-inverse: #1b1a15;
    --color-primary: #d9a548;
    --color-primary-hover: #e6b563;
    --color-primary-active: #f0c687;
    --color-primary-highlight: #3a331f;
    --color-ink: #0b0a08;
    --color-ink-2: #14130f;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 8px 24px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.55);
  }
}

/* ============================================================
   Layout primitives
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-10);
  }
}

section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.eyebrow::before {
  content: '';
  width: 1.5rem;
  height: 1px;
  background: var(--color-primary);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.section-head {
  max-width: 44rem;
  margin-bottom: var(--space-12);
}

.section-head h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-4);
}

.section-head p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 40rem;
}

/* ============================================================
   Header / Nav
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  background: color-mix(in oklab, var(--color-bg) 78%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition:
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    padding var(--transition-interactive);
}

.site-header.scrolled {
  border-bottom-color: var(--color-divider);
  padding-block: var(--space-3);
}

@media (min-width: 768px) {
  .site-header {
    padding-inline: var(--space-10);
  }
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: 0;
  max-width: var(--content-wide);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}

.brand svg {
  width: 2.25rem;
  height: 2.25rem;
  color: var(--color-primary);
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  letter-spacing: 0.01em;
  line-height: 1.1;
}

.brand-name small {
  display: none;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: nowrap;
}

@media (min-width: 480px) {
  .brand-name small {
    display: block;
  }
}

.main-nav {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

@media (min-width: 900px) {
  .main-nav {
    display: flex;
  }
}

.main-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-actions .btn-primary {
  display: none;
}

@media (min-width: 640px) {
  .header-actions .btn-primary {
    display: inline-flex;
  }
}

@media (min-width: 900px) {
  .header-actions {
    gap: var(--space-4);
  }
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: var(--color-surface);
}

.theme-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px;
}

.btn-primary {
  background: var(--color-primary);
  color: #14130f;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-primary-hover);
  color: #fff;
}

[data-theme='dark'] .btn-primary:hover {
  color: #14130f;
}

.btn-ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.nav-toggle {
  display: inline-flex;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

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

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  padding: calc(var(--space-16) + var(--space-6)) var(--space-6) var(--space-10);
  gap: var(--space-8);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity var(--transition-interactive),
    transform var(--transition-interactive),
    visibility var(--transition-interactive);
}

.mobile-nav.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  text-decoration: none;
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--space-24);
  padding-bottom: var(--space-20);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--color-ink);
}

.hero-media video,
.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.6s ease;
}

.hero-media video.active,
.hero-media img.active {
  opacity: 1;
}

.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, oklch(0.08 0.01 60 / 0.35) 0%, oklch(0.08 0.01 60 / 0.55) 55%, oklch(0.06 0.01 60 / 0.88) 100%),
    linear-gradient(90deg, oklch(0.06 0.01 60 / 0.55) 0%, oklch(0.06 0.01 60 / 0.15) 55%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 46rem;
}

.hero-content .eyebrow {
  color: #e6b563;
}

.hero-content .eyebrow::before {
  background: #e6b563;
}

.hero h1 {
  color: #f7f4ec;
  font-size: var(--text-hero);
  margin-top: var(--space-5);
  line-height: 1.03;
}

.hero h1 em {
  font-style: normal;
  color: #e6b563;
}

.hero-sub {
  color: #d8d1bf;
  font-size: var(--text-lg);
  max-width: 34rem;
  margin-top: var(--space-6);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: var(--space-8);
  margin-top: var(--space-16);
}

.hero-stat .num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: #f7f4ec;
  font-weight: 700;
}

.hero-stat .label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #b8ad91;
  margin-top: var(--space-1);
}

@media (max-width: 560px) {
  .hero-stats {
    grid-template-columns: repeat(2, auto);
    gap: var(--space-6) var(--space-8);
  }
}

.scroll-cue {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: #d8d1bf;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-cue svg {
  animation: bob 2s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ============================================================
   Marquee / logo strip (text-only company names)
   ============================================================ */

.marquee-section {
  padding-block: var(--space-10);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-divider);
  overflow: hidden;
}

.marquee-label {
  text-align: center;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-6);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: scroll-left 32s linear infinite;
}

.marquee-track span {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  padding-inline: var(--space-10);
  white-space: nowrap;
}

.marquee-track span::after {
  content: '·';
  margin-left: var(--space-10);
  color: var(--color-primary);
}

@keyframes scroll-left {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track {
    animation: none;
  }
}

/* ============================================================
   Portfolio (growth equity cards)
   ============================================================ */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr));
  gap: var(--space-5);
}

.portfolio-card {
  position: relative;
  padding: var(--space-8) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}

.portfolio-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.portfolio-card .sector {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.portfolio-card h3 {
  font-size: var(--text-lg);
  font-family: var(--font-display);
}

.portfolio-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.portfolio-card .stage {
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============================================================
   Real estate verticals
   ============================================================ */

.verticals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

@media (min-width: 900px) {
  .verticals-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.vertical-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  isolation: isolate;
}

.vertical-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}

.vertical-card:hover img {
  transform: scale(1.06);
}

.vertical-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, oklch(0.05 0.02 60 / 0.85) 100%);
}

.vertical-card .vc-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-5);
}

.vertical-card .vc-index {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: #e6b563;
  margin-bottom: var(--space-2);
}

.vertical-card h3 {
  color: #f7f4ec;
  font-size: var(--text-lg);
}

.vertical-card p {
  color: #d8d1bf;
  font-size: var(--text-xs);
  margin-top: var(--space-2);
}

@media (max-width: 560px) {
  .verticals-grid {
    grid-template-columns: 1fr 1fr;
  }
  .vertical-card {
    aspect-ratio: 1/1;
  }
}

/* ============================================================
   Featured developments (case studies)
   ============================================================ */

.case-study {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
  padding-block: var(--space-12);
  border-bottom: 1px solid var(--color-divider);
}

.case-study:last-child {
  border-bottom: none;
}

@media (min-width: 860px) {
  .case-study {
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-12);
  }
  .case-study.reverse {
    direction: rtl;
  }
  .case-study.reverse > * {
    direction: ltr;
  }
}

.case-study img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.case-tag {
  display: inline-flex;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.case-study h3 {
  font-size: var(--text-xl);
}

.case-study p {
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}

.case-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.case-fact .num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary);
}

.case-fact .label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: var(--space-1);
}

/* ============================================================
   Approach section
   ============================================================ */

.approach-section {
  background: var(--color-ink);
  color: var(--color-text-inverse);
}

[data-theme='light'] .approach-section,
:root:not([data-theme]) .approach-section {
  color: #f1ecde;
}

.approach-section .eyebrow {
  color: #e6b563;
}

.approach-section .eyebrow::before {
  background: #e6b563;
}

.approach-section .section-head h2 {
  color: #f7f4ec;
}

.approach-section .section-head p {
  color: #b8ad91;
}

.approach-grid {
  display: grid;
  gap: var(--space-1);
  grid-template-columns: 1fr;
}

.approach-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding-block: var(--space-8);
  border-top: 1px solid oklch(0.9 0 0 / 0.12);
}

@media (min-width: 760px) {
  .approach-row {
    grid-template-columns: 4rem 1fr 1.4fr;
    align-items: baseline;
    gap: var(--space-8);
  }
}

.approach-row .idx {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: #e6b563;
}

.approach-row h3 {
  font-size: var(--text-lg);
  color: #f7f4ec;
}

.approach-row p {
  color: #b8ad91;
  font-size: var(--text-sm);
}

/* ============================================================
   Contact section
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

.contact-grid form {
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
}

.form-note.form-success {
  color: var(--color-primary);
  font-weight: 600;
}

.form-note.form-error {
  color: #c0392b;
  font-weight: 600;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 560px) {
  .form-row.two-col {
    grid-template-columns: 1fr 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.field input,
.field select,
.field textarea {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-sm);
  min-height: 44px;
}

.field textarea {
  min-height: 8rem;
  resize: vertical;
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
  border-color: var(--color-primary);
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
}

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  padding-block: var(--space-16) var(--space-10);
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-divider);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-divider);
}

@media (min-width: 800px) {
  .footer-top {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.footer-brand .brand {
  margin-bottom: var(--space-4);
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 26rem;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-8);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============================================================
   Scroll reveal
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1), transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}