/* ============================================================
   SUTTON HOMES — Design & Build
   Palette: Deep charcoal surfaces, warm off-white, gold accent
   Fonts: Cormorant Garamond (display) + Work Sans (body)
   ============================================================ */

/* --- Design Tokens --- */
:root,
[data-theme='light'] {
  --color-bg: #f5f3ef;
  --color-surface: #f9f8f5;
  --color-surface-2: #ffffff;
  --color-surface-offset: #ece9e3;
  --color-border: #ddd9d1;
  --color-divider: #e4e0d8;

  --color-text: #1c1a16;
  --color-text-muted: #6b6860;
  --color-text-faint: #b0ada6;
  --color-text-inverse: #f5f3ef;

  --color-primary: #1c1a16;
  --color-accent: #9a7c3a;
  --color-accent-light: #c9a75d;
  --color-accent-highlight: #f0e8d4;

  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Work Sans', 'Helvetica Neue', sans-serif;

  --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(3rem,     0.5rem + 7vw, 7rem);

  --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: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(28, 26, 22, 0.06);
  --shadow-md: 0 4px 16px rgba(28, 26, 22, 0.10);
  --shadow-lg: 0 12px 40px rgba(28, 26, 22, 0.14);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme='dark'] {
  --color-bg: #131210;
  --color-surface: #191814;
  --color-surface-2: #1e1c18;
  --color-surface-offset: #161411;
  --color-border: #2e2c27;
  --color-divider: #252320;

  --color-text: #e8e4dc;
  --color-text-muted: #8a8780;
  --color-text-faint: #4a4844;
  --color-text-inverse: #131210;

  --color-primary: #e8e4dc;
  --color-accent: #c9a75d;
  --color-accent-light: #dfc07a;
  --color-accent-highlight: #2a2518;

  --shadow-sm: 0 1px 3px rgba(0,0,0, 0.25);
  --shadow-md: 0 4px 16px rgba(0,0,0, 0.35);
  --shadow-lg: 0 12px 40px rgba(0,0,0, 0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #131210;
    --color-surface: #191814;
    --color-surface-2: #1e1c18;
    --color-surface-offset: #161411;
    --color-border: #2e2c27;
    --color-divider: #252320;
    --color-text: #e8e4dc;
    --color-text-muted: #8a8780;
    --color-text-faint: #4a4844;
    --color-text-inverse: #131210;
    --color-primary: #e8e4dc;
    --color-accent: #c9a75d;
    --color-accent-light: #dfc07a;
    --color-accent-highlight: #2a2518;
    --shadow-sm: 0 1px 3px rgba(0,0,0, 0.25);
    --shadow-md: 0 4px 16px rgba(0,0,0, 0.35);
    --shadow-lg: 0 12px 40px rgba(0,0,0, 0.45);
  }
}

/* --- Base Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
}
img, picture, video { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); }
p, li, figcaption { text-wrap: pretty; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
::selection { background: rgba(154, 124, 58, 0.2); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: var(--radius-sm); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}
.container--narrow { max-width: var(--content-default); }
.section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }

/* --- Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: var(--space-5);
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--color-bg) 94%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  padding-block: var(--space-3);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav-logo img {
  height: 56px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
[data-theme='light'] .nav-logo img {
  filter: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--color-accent); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--color-accent); }
.nav-links a.active::after { width: 100%; }

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.nav-phone {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  transition: opacity var(--transition);
}
.nav-phone:hover { opacity: 0.75; }

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-offset); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: var(--space-1);
}
.hamburger span {
  display: block;
  height: 1.5px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-bg);
  padding: var(--space-24) var(--space-8) var(--space-12);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.mobile-nav a:hover { color: var(--color-accent); }
.mobile-nav .mobile-phone {
  margin-top: var(--space-8);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  text-transform: uppercase;
}

@media (max-width: 768px) {
  .nav-links, .nav-phone { display: none; }
  .hamburger { display: flex; }
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.04);
  transition: transform 8s ease-out;
}
.hero-bg.loaded { transform: scale(1); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(19, 18, 16, 0.82) 0%,
    rgba(19, 18, 16, 0.35) 50%,
    rgba(19, 18, 16, 0.15) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-bottom: clamp(var(--space-16), 8vw, var(--space-32));
  padding-top: var(--space-32);
  width: 100%;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-5);
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--color-accent-light);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  color: #f5f3ef;
  letter-spacing: -0.01em;
  line-height: 1.05;
  max-width: 14ch;
  margin-bottom: var(--space-6);
}
.hero h1 em {
  font-style: italic;
  color: var(--color-accent-light);
}
.hero-sub {
  font-size: var(--text-base);
  color: rgba(245, 243, 239, 0.72);
  max-width: 48ch;
  margin-bottom: var(--space-10);
  line-height: 1.7;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: transparent;
  color: var(--color-accent-light);
  border-color: var(--color-accent-light);
}
.btn-outline {
  background: transparent;
  color: #f5f3ef;
  border-color: rgba(245, 243, 239, 0.4);
}
.btn-outline:hover {
  background: rgba(245, 243, 239, 0.08);
  border-color: rgba(245, 243, 239, 0.7);
}
.btn-dark {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}
.btn-dark:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.hero-ctas { display: flex; gap: var(--space-4); flex-wrap: wrap; }

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  right: clamp(var(--space-6), 5vw, var(--space-16));
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(245,243,239,0.5);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero-scroll-indicator::after {
  content: '';
  display: block;
  width: 1px;
  height: 48px;
  background: currentColor;
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { transform: scaleY(1); opacity: 0.5; }
  50% { transform: scaleY(0.5); opacity: 1; }
}

/* --- Section Labels --- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-accent);
}

/* --- Services Grid (Home) --- */
.services-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: end;
  margin-bottom: clamp(var(--space-12), 6vw, var(--space-20));
}
.services-intro h2 {
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.1;
}
.services-intro p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 48ch;
  line-height: 1.75;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}
.service-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: default;
}
.service-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.service-card:hover img { transform: scale(1.05); }
.service-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(19,18,16,0.85) 0%, rgba(19,18,16,0.1) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-8);
  transition: background var(--transition);
}
.service-card:hover .service-card-overlay {
  background: linear-gradient(to top, rgba(19,18,16,0.92) 0%, rgba(19,18,16,0.2) 60%);
}
.service-card-num {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-accent-light);
  margin-bottom: var(--space-2);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: #f5f3ef;
  margin-bottom: var(--space-2);
}
.service-card p {
  font-size: var(--text-sm);
  color: rgba(245,243,239,0.65);
  max-width: 28ch;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.service-card:hover p { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .services-intro { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .services-grid { grid-template-columns: 1fr; }
  .service-card { aspect-ratio: 4/3; }
}

/* --- Process Section --- */
.process-section { background: var(--color-text); color: var(--color-text-inverse); }
[data-theme='dark'] .process-section { background: var(--color-surface-2); color: var(--color-text); }
.process-section .section-label { color: var(--color-accent-light); }
.process-section .section-label::before { background: var(--color-accent-light); }
.process-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: end;
  margin-bottom: clamp(var(--space-12), 6vw, var(--space-20));
}
.process-header h2 {
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text-inverse);
}
[data-theme='dark'] .process-header h2 { color: var(--color-text); }
.process-header p {
  color: rgba(245,243,239,0.6);
  line-height: 1.75;
}
[data-theme='dark'] .process-header p { color: var(--color-text-muted); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  border-top: 1px solid rgba(245,243,239,0.12);
  padding-top: var(--space-10);
}
[data-theme='dark'] .process-steps { border-top-color: var(--color-divider); }
.process-step {}
.step-num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 300;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-5);
}
.process-step h3 {
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-3);
}
[data-theme='dark'] .process-step h3 { color: var(--color-text); }
.process-step p {
  font-size: var(--text-sm);
  color: rgba(245,243,239,0.55);
  line-height: 1.7;
}
[data-theme='dark'] .process-step p { color: var(--color-text-muted); }

@media (max-width: 900px) {
  .process-header { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .process-steps { grid-template-columns: 1fr; }
}

/* --- Divider Quote --- */
.quote-section {
  background: var(--color-accent-highlight);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  text-align: center;
}
[data-theme='dark'] .quote-section { background: var(--color-surface); }
.quote-section blockquote {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
  max-width: 22ch;
  margin-inline: auto;
  line-height: 1.25;
}
.quote-section cite {
  display: block;
  margin-top: var(--space-5);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-style: normal;
}

/* --- CTA Banner --- */
.cta-section {
  position: relative;
  overflow: hidden;
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
}
.cta-bg {
  position: absolute;
  inset: 0;
  background-image: url('images/about-hero.webp');
  background-size: cover;
  background-position: center;
  filter: brightness(0.25);
}
.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
}
.cta-content h2 {
  font-size: var(--text-2xl);
  font-weight: 400;
  color: #f5f3ef;
  max-width: 20ch;
  margin-inline: auto;
  margin-bottom: var(--space-5);
}
.cta-content p {
  color: rgba(245,243,239,0.65);
  max-width: 44ch;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  line-height: 1.75;
}
.cta-phone-large {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-accent-light);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-8);
  transition: opacity var(--transition);
}
.cta-phone-large:hover { opacity: 0.8; }

/* --- Footer --- */
.site-footer {
  background: var(--color-text);
  color: rgba(245,243,239,0.6);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
[data-theme='dark'] .site-footer { background: var(--color-surface); }
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(245,243,239,0.1);
  margin-bottom: var(--space-8);
}
[data-theme='dark'] .footer-inner { border-bottom-color: var(--color-divider); }
.footer-logo img { height: 72px; width: auto; margin-bottom: var(--space-5); filter: brightness(0) invert(1) !important; }
.footer-tagline {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: rgba(245,243,239,0.85);
  margin-bottom: var(--space-3);
}
[data-theme='dark'] .footer-tagline { color: var(--color-text-muted); }
.footer-desc { font-size: var(--text-sm); line-height: 1.7; }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245,243,239,0.9);
  margin-bottom: var(--space-5);
}
[data-theme='dark'] .footer-col h4 { color: var(--color-text); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col ul li a {
  font-size: var(--text-sm);
  color: rgba(245,243,239,0.55);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--color-accent-light); }
.footer-col .footer-phone {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-accent-light);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  flex-wrap: wrap;
  gap: var(--space-3);
}
.footer-bottom a { color: rgba(245,243,239,0.4); }
.footer-bottom a:hover { color: var(--color-accent-light); }

.instagram-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(245,243,239,0.55);
  transition: color var(--transition);
}
.instagram-link:hover { color: var(--color-accent-light); }

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap: var(--space-10); }
}

/* --- About Page --- */
.about-hero {
  position: relative;
  height: 60vh;
  min-height: 400px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.about-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('images/about-hero.webp');
  background-size: cover;
  background-position: center;
}
.about-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(19,18,16,0.75) 0%, rgba(19,18,16,0.2) 70%);
}
.about-hero-content {
  position: relative;
  z-index: 2;
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-20));
}
.about-hero-content h1 {
  font-size: var(--text-3xl);
  font-weight: 400;
  color: #f5f3ef;
  line-height: 1.05;
}
.about-hero-content p {
  color: rgba(245,243,239,0.7);
  font-size: var(--text-base);
  max-width: 50ch;
  margin-top: var(--space-4);
}

.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}
.about-story-text h2 {
  font-size: var(--text-2xl);
  font-weight: 400;
  margin-bottom: var(--space-6);
  line-height: 1.1;
}
.about-story-text p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}
.about-story-img {
  position: relative;
}
.about-story-img img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}
.about-story-img::before {
  content: '';
  position: absolute;
  inset: -var(--space-4);
  top: var(--space-6);
  left: -(var(--space-6));
  border: 1px solid var(--color-accent);
  z-index: -1;
  transform: translate(-12px, -12px);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: clamp(var(--space-12), 6vw, var(--space-20));
}
.value-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.value-card:hover { border-color: var(--color-accent); box-shadow: var(--shadow-md); }
.value-icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-5);
  color: var(--color-accent);
}
.value-card h3 {
  font-size: var(--text-lg);
  font-weight: 400;
  margin-bottom: var(--space-3);
}
.value-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-1);
  margin-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.stat-block {
  padding: var(--space-10) var(--space-8);
  background: var(--color-surface);
  text-align: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 300;
  color: var(--color-accent);
  line-height: 1;
  display: block;
  margin-bottom: var(--space-2);
}
.stat-label {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.service-area {
  background: var(--color-surface-offset);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
[data-theme='dark'] .service-area { background: var(--color-surface); }
.service-area-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: center;
}
.service-area h2 {
  font-size: var(--text-2xl);
  font-weight: 400;
  margin-bottom: var(--space-5);
}
.service-area p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}
.area-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2) var(--space-6);
  margin-top: var(--space-6);
}
.area-list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.area-list li::before {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}
.service-area-map {
  background: var(--color-border);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
}

@media (max-width: 900px) {
  .about-story { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .service-area-inner { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .values-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}

/* --- Portfolio Page --- */
.portfolio-hero {
  padding-top: 120px;
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-16));
  border-bottom: 1px solid var(--color-divider);
}
.portfolio-hero h1 {
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.05;
  margin-bottom: var(--space-4);
}
.portfolio-hero p {
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.75;
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.filter-btn {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  transition: all var(--transition);
  cursor: pointer;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}
[data-theme='dark'] .filter-btn:hover,
[data-theme='dark'] .filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: clamp(var(--space-16), 8vw, var(--space-24));
}
.portfolio-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: var(--color-surface);
  aspect-ratio: 4/3;
  min-width: 0;
  min-height: 0;
}
.portfolio-item.hidden {
  display: none !important;
}

.portfolio-item img {
  width: 100%;
  height: 100% !important;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
  position: absolute;
  inset: 0;
}

.portfolio-item:hover img { transform: scale(1.04); }
.portfolio-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6) var(--space-6) var(--space-5);
  background: linear-gradient(to top, rgba(19,18,16,0.88), transparent);
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.portfolio-item:hover .portfolio-caption { transform: translateY(0); }
.portfolio-caption-tag {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-1);
}
.portfolio-caption h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: #f5f3ef;
}

@media (max-width: 700px) {
  .portfolio-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-2); }
}
@media (max-width: 400px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(19, 18, 16, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  box-shadow: var(--shadow-lg);
}
.lightbox-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  color: rgba(245,243,239,0.7);
  font-size: 2rem;
  line-height: 1;
  transition: color var(--transition);
}
.lightbox-close:hover { color: #fff; }
.lightbox-caption {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: rgba(245,243,239,0.6);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
}

/* --- Scroll Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* --- Page-specific header override (non-home pages) --- */
.page-header-dark .site-header {
  background: color-mix(in srgb, var(--color-bg) 97%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
}

/* --- Utility --- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }
.text-accent { color: var(--color-accent); }
.text-center { text-align: center; }

/* --- Trust Bar --- */
.trust-bar {
  background: var(--color-text);
  color: rgba(245, 243, 239, 0.75);
  padding-block: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(245,243,239,0.08);
  position: relative;
  z-index: 101;
}
[data-theme='dark'] .trust-bar {
  background: var(--color-surface);
  border-bottom-color: var(--color-divider);
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(var(--space-6), 4vw, var(--space-12));
  flex-wrap: wrap;
}
.trust-bar-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
}
.trust-bar-item svg {
  color: var(--color-accent-light);
  flex-shrink: 0;
}
.trust-bar-divider {
  width: 1px;
  height: 12px;
  background: rgba(245,243,239,0.15);
}
@media (max-width: 560px) {
  .trust-bar { display: none; }
}

/* --- Testimonials --- */
.testimonials-section {
  background: var(--color-surface-offset);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
[data-theme='dark'] .testimonials-section { background: var(--color-surface); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
}
.testimonial-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
[data-theme='dark'] .testimonial-card { background: var(--color-surface-2); }
.testimonial-stars {
  display: flex;
  gap: var(--space-1);
  color: var(--color-accent);
}
.testimonial-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.5;
  flex: 1;
}
.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}
.testimonial-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.testimonial-location {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
@media (max-width: 900px) {
  .testimonials-grid { grid-template-columns: 1fr; max-width: 540px; margin-inline: auto; }
}