/* ============================================================
   HYDRO LUXE — Design Tokens
   Concept: premium hydroseeding — forest green + warm gold,
   editorial serif display + clean geometric sans body.
   ============================================================ */

:root {
  /* ---- 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(2.75rem, 1.2rem + 6vw, 6.5rem);

  /* ---- Spacing (4px base) ---- */
  --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;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', Arial, sans-serif;
}

/* ---- Light mode (default) ---- */
:root,
[data-theme='light'] {
  --color-bg: #f8f5ec;
  --color-surface: #ffffff;
  --color-surface-2: #fbf9f2;
  --color-surface-offset: #f1ecdd;
  --color-divider: #e7e2d3;
  --color-border: #dfdacb;

  --color-text: #1b2119;
  --color-text-muted: #5b6259;
  --color-text-faint: #9aa096;
  --color-text-inverse: #f8f5ec;

  --color-forest: #123524;
  --color-forest-dark: #0b241a;
  --color-forest-tint: #dce6de;

  --color-primary: #123524;
  --color-primary-hover: #0b241a;
  --color-primary-active: #071a12;
  --color-primary-highlight: #dce6de;

  --color-gold: #c9a24b;
  --color-gold-hover: #b08935;
  --color-gold-active: #8f6e27;
  --color-gold-highlight: #f1e6c9;

  --color-success: #437a22;
  --color-error: #9b4a3f;
  --color-error-hover: #7e3b32;
  --color-error-highlight: #e7d2cc;
  --color-warning: #8a6a2a;

  --shadow-sm: 0 1px 2px oklch(0.2 0.03 150 / 0.06);
  --shadow-md: 0 4px 14px oklch(0.2 0.03 150 / 0.09);
  --shadow-lg: 0 16px 40px oklch(0.2 0.03 150 / 0.14);
}

/* ---- Dark mode ---- */
[data-theme='dark'] {
  --color-bg: #0e1712;
  --color-surface: #142016;
  --color-surface-2: #17251a;
  --color-surface-offset: #1b2a1e;
  --color-divider: #24331f;
  --color-border: #2a3b2d;

  --color-text: #ede9dc;
  --color-text-muted: #a9ac9e;
  --color-text-faint: #6e7266;
  --color-text-inverse: #12251b;

  --color-forest: #9cc4a9;
  --color-forest-dark: #6fa98a;
  --color-forest-tint: #1e2e22;

  --color-primary: #9cc4a9;
  --color-primary-hover: #b7d7c0;
  --color-primary-active: #d1e5d7;
  --color-primary-highlight: #1e2e22;

  --color-gold: #d9b565;
  --color-gold-hover: #e8c983;
  --color-gold-active: #f3dba3;
  --color-gold-highlight: #2e2a1a;

  --color-success: #6daa45;
  --color-error: #c98d80;
  --color-error-hover: #d8a698;
  --color-error-highlight: #3a2c27;
  --color-warning: #c9a25e;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 14px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0e1712;
    --color-surface: #142016;
    --color-surface-2: #17251a;
    --color-surface-offset: #1b2a1e;
    --color-divider: #24331f;
    --color-border: #2a3b2d;
    --color-text: #ede9dc;
    --color-text-muted: #a9ac9e;
    --color-text-faint: #6e7266;
    --color-text-inverse: #12251b;
    --color-forest: #9cc4a9;
    --color-forest-dark: #6fa98a;
    --color-forest-tint: #1e2e22;
    --color-primary: #9cc4a9;
    --color-primary-hover: #b7d7c0;
    --color-primary-active: #d1e5d7;
    --color-primary-highlight: #1e2e22;
    --color-gold: #d9b565;
    --color-gold-hover: #e8c983;
    --color-gold-active: #f3dba3;
    --color-gold-highlight: #2e2a1a;
    --color-success: #6daa45;
    --color-error: #c98d80;
    --color-warning: #c9a25e;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 4px 14px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.45);
  }
}

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */
.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-12));
}

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

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold-hover);
}
[data-theme='dark'] .section-eyebrow {
  color: var(--color-gold);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-forest);
  margin-top: var(--space-3);
  font-weight: 400;
}
[data-theme='dark'] .section-title {
  color: var(--color-text);
}

.section-lede {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 62ch;
  margin-top: var(--space-4);
}

.center {
  text-align: center;
  margin-inline: auto;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out);
}
.site-header--hidden {
  transform: translateY(-100%);
}
.site-header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-3);
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.logo svg {
  width: 34px;
  height: 34px;
  color: var(--color-forest);
  flex-shrink: 0;
}
[data-theme='dark'] .logo svg {
  color: var(--color-gold);
}
.logo-word {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: 0.02em;
  line-height: 1;
}
.logo-word span {
  color: var(--color-gold-hover);
}
[data-theme='dark'] .logo-word span {
  color: var(--color-gold);
}

nav.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.primary-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  position: relative;
}
.primary-nav a:hover {
  color: var(--color-text);
}
.primary-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1.5px;
  background: var(--color-gold);
  transition: width var(--transition-interactive);
}
.primary-nav a:hover::after {
  width: 100%;
}

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

.theme-toggle {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-gold);
}
.theme-toggle svg {
  width: 17px;
  height: 17px;
}

.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}
.nav-toggle svg {
  width: 18px;
  height: 18px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-forest);
  color: #f8f5ec;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-forest-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
[data-theme='dark'] .btn-primary {
  background: var(--color-gold);
  color: #12251b;
}
[data-theme='dark'] .btn-primary:hover {
  background: var(--color-gold-hover);
}
.btn-ghost {
  border-color: var(--color-border);
  color: var(--color-text);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-forest);
}
[data-theme='dark'] .btn-ghost:hover {
  color: var(--color-gold);
}
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding-block: var(--space-24);
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--color-forest-dark) 62%, transparent) 0%,
    color-mix(in oklab, var(--color-forest-dark) 40%, transparent) 32%,
    color-mix(in oklab, var(--color-forest-dark) 55%, transparent) 68%,
    color-mix(in oklab, var(--color-forest-dark) 88%, transparent) 100%
  );
}
[data-theme='dark'] .hero-scrim {
  background: linear-gradient(
    180deg,
    color-mix(in oklab, #060c08 72%, transparent) 0%,
    color-mix(in oklab, #060c08 50%, transparent) 32%,
    color-mix(in oklab, #060c08 65%, transparent) 68%,
    color-mix(in oklab, #060c08 92%, transparent) 100%
  );
}
.hero-content {
  position: relative;
  max-width: 780px;
  color: #f8f5ec;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #e4ce96;
  border: 1px solid color-mix(in oklab, #e4ce96 50%, transparent);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  background: color-mix(in oklab, #0b241a 40%, transparent);
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  line-height: 1.04;
  margin-top: var(--space-6);
}
.hero-title em {
  font-style: italic;
  color: #e4ce96;
}
.hero-sub {
  font-size: var(--text-lg);
  color: #e7e4d8;
  margin-top: var(--space-6);
  max-width: 56ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-10);
}
.hero .btn-ghost {
  border-color: color-mix(in oklab, #f8f5ec 45%, transparent);
  color: #f8f5ec;
}
.hero .btn-ghost:hover {
  border-color: #e4ce96;
  color: #e4ce96;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid color-mix(in oklab, #f8f5ec 22%, transparent);
}
.hero-trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: #e7e4d8;
}
.hero-trust-item svg {
  width: 16px;
  height: 16px;
  color: #e4ce96;
  flex-shrink: 0;
}

/* ============================================================
   INTRO
   ============================================================ */
.intro {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}
.intro-lede {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-forest);
  line-height: 1.3;
}
[data-theme='dark'] .intro-lede {
  color: var(--color-text);
}
.intro-lede em {
  color: var(--color-gold-hover);
  font-style: italic;
}
[data-theme='dark'] .intro-lede em {
  color: var(--color-gold);
}
.intro-stats {
  display: grid;
  gap: var(--space-6);
}
.stat {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.stat:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.stat-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-gold-hover);
  flex-shrink: 0;
  min-width: 3ch;
}
[data-theme='dark'] .stat-num {
  color: var(--color-gold);
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
}
.service-card--residential::before {
  background: var(--color-forest);
}
.service-card--commercial::before {
  background: var(--color-gold);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-forest);
  margin-top: var(--space-4);
}
[data-theme='dark'] .service-card h3 {
  color: var(--color-text);
}
.service-price {
  display: inline-block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
.service-card--residential .service-price {
  color: var(--color-primary-hover);
  background: var(--color-primary-highlight);
}
[data-theme='dark'] .service-card--residential .service-price {
  color: var(--color-forest-dark);
}
.service-card--commercial .service-price {
  color: var(--color-warning);
  background: var(--color-gold-highlight);
}
.service-list {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-3);
}
.service-list li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: none;
}
.service-list li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-gold-hover);
}
[data-theme='dark'] .service-list li svg {
  color: var(--color-gold);
}

/* ============================================================
   WHY / NUMBERED FEATURES
   ============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(var(--space-8), 5vw, var(--space-12));
  margin-top: var(--space-12);
}
.why-item {
  border-top: 2px solid var(--color-divider);
  padding-top: var(--space-6);
}
.why-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-gold-hover);
  display: block;
}
[data-theme='dark'] .why-num {
  color: var(--color-gold);
}
.why-item h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-forest);
  margin-top: var(--space-3);
}
[data-theme='dark'] .why-item h3 {
  color: var(--color-text);
}
.why-item p {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================================
   PROCESS (image break)
   ============================================================ */
.process {
  padding: 0;
}
.process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 640px;
}
.process-image {
  position: relative;
  overflow: hidden;
}
.process-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.process-copy {
  background: var(--color-forest);
  color: #f8f5ec;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(var(--space-10), 6vw, var(--space-20));
}
[data-theme='dark'] .process-copy {
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.process-copy .section-eyebrow {
  color: #e4ce96;
}
[data-theme='dark'] .process-copy .section-eyebrow {
  color: var(--color-gold);
}
.process-copy .section-title {
  color: #f8f5ec;
}
[data-theme='dark'] .process-copy .section-title {
  color: var(--color-text);
}
.process-steps {
  margin-top: var(--space-8);
  display: grid;
  gap: var(--space-5);
}
.process-step {
  display: flex;
  gap: var(--space-4);
}
.process-step-num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: #e4ce96;
  flex-shrink: 0;
  min-width: 2.4ch;
}
[data-theme='dark'] .process-step-num {
  color: var(--color-gold);
}
.process-step-text h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
}
.process-step-text p {
  font-size: var(--text-sm);
  color: color-mix(in oklab, #f8f5ec 78%, transparent);
  margin-top: var(--space-1);
}
[data-theme='dark'] .process-step-text p {
  color: var(--color-text-muted);
}

/* ============================================================
   CTA / ESTIMATE FORM
   ============================================================ */
.estimate {
  background: var(--color-surface-offset);
}
.estimate-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}
.estimate-info-list {
  margin-top: var(--space-8);
  display: grid;
  gap: var(--space-5);
}
.estimate-info-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}
.estimate-info-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-gold-hover);
  flex-shrink: 0;
  margin-top: 2px;
}
[data-theme='dark'] .estimate-info-item svg {
  color: var(--color-gold);
}
.estimate-info-item a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
}
.estimate-info-item a:hover {
  color: var(--color-forest);
}
[data-theme='dark'] .estimate-info-item a:hover {
  color: var(--color-gold);
}
.estimate-info-item span {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.estimate-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  box-shadow: var(--shadow-md);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-5);
}
.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 {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  background: var(--color-surface);
  color: var(--color-text);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-gold);
}
.field textarea {
  resize: vertical;
  min-height: 90px;
}
.form-submit {
  width: 100%;
  margin-top: var(--space-6);
}
.form-note {
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.form-success {
  display: none;
  margin-top: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary-hover);
  font-size: var(--text-sm);
}
[data-theme='dark'] .form-success {
  color: var(--color-forest-dark);
}
.form-success.is-visible {
  display: block;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-forest);
  color: color-mix(in oklab, #f8f5ec 88%, transparent);
  padding-block: var(--space-16) var(--space-8);
}
[data-theme='dark'] .site-footer {
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid color-mix(in oklab, #f8f5ec 18%, transparent);
}
[data-theme='dark'] .footer-grid {
  border-bottom-color: var(--color-divider);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: #f8f5ec;
}
[data-theme='dark'] .footer-logo {
  color: var(--color-text);
}
.footer-logo svg {
  width: 30px;
  height: 30px;
  color: #e4ce96;
}
[data-theme='dark'] .footer-logo svg {
  color: var(--color-gold);
}
.footer-logo-word {
  font-family: var(--font-display);
  font-size: var(--text-lg);
}
.footer-tagline {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  max-width: 32ch;
  color: color-mix(in oklab, #f8f5ec 72%, transparent);
}
[data-theme='dark'] .footer-tagline {
  color: var(--color-text-muted);
}
.footer-col h4 {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #e4ce96;
}
[data-theme='dark'] .footer-col h4 {
  color: var(--color-gold);
}
.footer-col ul {
  margin-top: var(--space-4);
  display: grid;
  gap: var(--space-3);
}
.footer-col a {
  font-size: var(--text-sm);
  color: color-mix(in oklab, #f8f5ec 82%, transparent);
  text-decoration: none;
}
[data-theme='dark'] .footer-col a {
  color: var(--color-text-muted);
}
.footer-col a:hover {
  color: #e4ce96;
}
[data-theme='dark'] .footer-col a:hover {
  color: var(--color-gold);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
  font-size: var(--text-xs);
  color: color-mix(in oklab, #f8f5ec 55%, transparent);
}
[data-theme='dark'] .footer-bottom {
  color: var(--color-text-faint);
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .intro-grid,
  .estimate-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .process-image {
    min-height: 320px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 760px) {
  nav.primary-nav {
    position: fixed;
    inset: 64px var(--space-4) auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-3);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition:
      opacity 0.25s var(--ease-out),
      transform 0.25s var(--ease-out);
  }
  nav.primary-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .primary-nav a {
    padding: var(--space-3) var(--space-3);
    border-radius: var(--radius-md);
  }
  .primary-nav a:hover {
    background: var(--color-surface-2);
  }
  .primary-nav a::after {
    display: none;
  }
  .header-actions .btn-primary.header-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .services-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .hero {
    min-height: 100vh;
    align-items: flex-end;
    padding-bottom: var(--space-16);
  }
}