/* ============================================================
   Significant Home Improvements LLC — design tokens & components
   Warm craftsman: warm off-white surfaces, charcoal text,
   brick-terracotta accent. Cabinet Grotesk display + Satoshi body.
   ============================================================ */

:root {
  /* Type scale */
  --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);

  /* Spacing */
  --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 */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

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

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

  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
}

:root,
[data-theme='light'] {
  /* Surfaces — warm plaster */
  --color-bg: #faf7f1;
  --color-surface: #fdfbf7;
  --color-surface-2: #fffefb;
  --color-surface-offset: #f3eee5;
  --color-surface-offset-2: #ece5d9;
  --color-divider: #e0d8cb;
  --color-border: #d5cbbb;

  /* Text — deep umber charcoal */
  --color-text: #26201a;
  --color-text-muted: #6f675d;
  --color-text-faint: #b3aa9d;
  --color-text-inverse: #faf7f1;

  /* Primary — brick terracotta */
  --color-primary: #9a4520;
  --color-primary-hover: #7d3517;
  --color-primary-active: #5f2811;
  --color-primary-highlight: #ecd7cb;

  /* Secondary neutral for deep sections */
  --color-ink: #26201a;

  --shadow-sm: 0 1px 2px oklch(0.25 0.02 60 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.25 0.02 60 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.25 0.02 60 / 0.12);
}

[data-theme='dark'] {
  --color-bg: #191512;
  --color-surface: #1e1a16;
  --color-surface-2: #231e1a;
  --color-surface-offset: #201b17;
  --color-surface-offset-2: #262019;
  --color-divider: #2b2520;
  --color-border: #3e362e;

  --color-text: #d8d2c8;
  --color-text-muted: #948b7f;
  --color-text-faint: #5f584f;
  --color-text-inverse: #26201a;

  --color-primary: #d98757;
  --color-primary-hover: #c26a3a;
  --color-primary-active: #a55229;
  --color-primary-highlight: #3c2d24;

  --color-ink: #14110e;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
}

/* ---------- Layout primitives ---------- */
.container {
  width: min(var(--content-wide), 100% - clamp(2rem, 6vw, 4rem));
  margin-inline: auto;
}

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.section-head {
  max-width: 640px;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-primary);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.section-lede {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
}

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition:
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.brand svg {
  flex-shrink: 0;
  color: var(--color-primary);
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-sm);
  line-height: 1.2;
  letter-spacing: 0.01em;
}
.brand-name span {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
}
.nav a:hover {
  color: var(--color-text);
}

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

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fdf6f0;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
}
.btn-primary:active {
  background: var(--color-primary-active);
}
[data-theme='dark'] .btn-primary {
  color: #1c120b;
}
.btn-ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface-offset);
}
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: clip;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
  padding-block: clamp(var(--space-12), 7vw, var(--space-24));
  min-height: min(78vh, 860px);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 1.1rem + 3.4vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero-lede {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text-muted);
  max-width: 46ch;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  margin-top: var(--space-10);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.hero-meta li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.hero-meta svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.hero-media {
  position: relative;
}
.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 4.6;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}
.hero-card {
  position: absolute;
  left: clamp(-2.5rem, -3vw, -1rem);
  bottom: var(--space-8);
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.hero-card svg {
  color: var(--color-primary);
}
.hero-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 800;
}
.hero-card small {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---------- Trust bar ---------- */
.trustbar {
  border-block: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.trustbar-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  padding-block: var(--space-8);
}
.trust-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
}
.trust-item span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: clip;
  display: flex;
  flex-direction: column;
}
.service-card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.service-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
}
.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.services-list {
  margin-top: var(--space-10);
  padding: var(--space-6) var(--space-8);
  background: var(--color-surface-offset);
  border-radius: var(--radius-lg);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  align-items: center;
}
.services-list-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-right: var(--space-2);
}
.services-list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text);
}
.services-list li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

/* ---------- Process (dark band) ---------- */
.process {
  background: var(--color-ink);
  color: #d8d2c8;
}
.process .section-title,
.process .step h3 {
  color: #f3ede4;
}
.process .section-lede {
  color: #a89e90;
}
.process .eyebrow {
  color: #d98757;
}
.process .eyebrow::before {
  background: #d98757;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: var(--space-6);
  border-top: 1px solid oklch(1 0 0 / 0.14);
}
.step-num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-primary);
}
[data-theme='dark'] .step-num {
  color: #d98757;
}
.process .step-num {
  color: #d98757;
}
.step h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  margin-top: var(--space-3);
}
.step p {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: #a89e90;
}

.process-note {
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 4vw, var(--space-12));
  align-items: center;
}
.process-note img {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.process-note h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: #f3ede4;
}
.process-note p {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: #a89e90;
}
.trade-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-5);
}
.trade-chips li {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border: 1px solid oklch(1 0 0 / 0.2);
  border-radius: var(--radius-full);
  color: #d8d2c8;
}

/* ---------- Who we serve ---------- */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
}
.client-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.client-card svg {
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.client-card h3 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
}
.client-card p {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---------- Feature split (why us) ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
.split-media img {
  border-radius: var(--radius-xl);
  width: 100%;
  aspect-ratio: 4 / 3.4;
  object-fit: cover;
  box-shadow: var(--shadow-md);
}
.feature-list {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.feature {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
}
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  flex-shrink: 0;
}
.feature h3 {
  font-size: var(--text-base);
  font-weight: 700;
  font-family: var(--font-body);
}
.feature p {
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---------- Contact ---------- */
.contact {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}
.contact-info {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.contact-line {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
}
.contact-line svg {
  color: var(--color-primary);
  margin-top: 2px;
}
.contact-line strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 700;
}
.contact-line span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.contact-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}
.contact-link:hover {
  text-decoration: underline;
}

.contact-form {
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  box-shadow: var(--shadow-sm);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.form-field {
  display: grid;
  gap: var(--space-2);
}
.form-field--full {
  grid-column: 1 / -1;
}
.form-field label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-sm);
}
.form-field textarea {
  resize: vertical;
  min-height: 110px;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.18);
}
.form-submit {
  margin-top: var(--space-6);
  width: 100%;
}
.form-note {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
}
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-10) var(--space-6);
}
.form-success svg {
  margin-inline: auto;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.form-success h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
}
.form-success p {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-inline: auto;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-10);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.footer small {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.footer .brand-name {
  font-size: var(--text-xs);
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .clients-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .nav {
    display: none;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .hero-media img {
    aspect-ratio: 16 / 11;
  }
  .hero-card {
    left: var(--space-4);
    bottom: var(--space-4);
  }
  .split,
  .process-note,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .trustbar-inner {
    grid-template-columns: repeat(2, 1fr);
  }
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .services-grid,
  .clients-grid,
  .process-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }
  .header-cta {
    display: none;
  }
}