/* Alpine Builders Group — warm wood + ink palette */
:root {
  --cream: #faf8f5;
  --paper: #ffffff;
  --ink: #1c1c1c;
  --ink-soft: #3d3d3d;
  --muted: #5c5c5c;
  --line: rgba(28, 28, 28, 0.12);
  --wood-deep: #4a3428;
  --wood-mid: #7a5c45;
  --wood-honey: #c4a574;
  --wood-light: #e8dcc8;
  --accent: #2f241c;
  --header-h: 4.25rem;
  --font-serif: "Cormorant Garamond", "Times New Roman", Times, serif;
  --font-sans: "Source Sans 3", system-ui, sans-serif;
  --font-script: "Great Vibes", cursive;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--wood-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--ink);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--paper);
  border: 2px solid var(--ink);
  z-index: 9999;
}

/* —— Hero banner (wood photograph) —— */
.wood-slab {
  position: relative;
  background-color: var(--wood-mid);
  background-image: url("banner.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.12);
}

.wood-slab::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.08) 0%,
    transparent 42%,
    rgba(44, 36, 28, 0.14) 100%
  );
}

/* —— Site header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  background: rgba(250, 248, 245, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  width: 2.5rem;
  height: auto;
}

.brand-text {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.15;
}

.brand-text small {
  display: block;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-top: 0.15rem;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.85rem;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.75rem;
}

.site-nav a {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
}

.site-nav a:hover {
  color: var(--ink);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: clamp(22rem, 52vh, 36rem);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2.5rem 1.25rem 3rem;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 40rem;
}

.hero-logo {
  width: min(11.25rem, 35vw);
  margin: 0 auto 1.25rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
  color: #000;
  text-shadow: none;
}

.hero .location {
  font-size: 0.82rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 600;
  color: #000;
  margin: 0 0 0.75rem;
  opacity: 1;
}

.hero .tagline {
  font-family: var(--font-script);
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 400;
  line-height: 1.2;
  margin: 0 0 1.75rem;
  color: #000;
}

/* Hero CTAs: black + white on primary; outline black on secondary */
.hero .btn {
  border-color: #000;
  color: #fff;
  background: #000;
}

.hero .btn:hover {
  background: #fff;
  color: #000;
  border-color: #000;
  transform: translateY(-1px);
}

.hero .btn-secondary {
  background: transparent;
  color: #000;
  border-color: #000;
  margin-left: 0.5rem;
}

.hero .btn-secondary:hover {
  background: rgba(0, 0, 0, 0.08);
  color: #000;
  border-color: #000;
  transform: translateY(-1px);
}

.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.75rem;
  border-radius: 4px;
  border: 2px solid var(--accent);
  color: var(--cream);
  background: var(--accent);
  transition: background 0.2s, color 0.2s, transform 0.15s;
}

.btn:hover {
  background: transparent;
  color: var(--accent);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  margin-left: 0.5rem;
}

.btn-secondary:hover {
  background: rgba(47, 36, 28, 0.08);
}

/* —— Sections —— */
main > section {
  padding: 4rem 1.25rem;
}

.section-inner {
  max-width: 68rem;
  margin: 0 auto;
}

.section-lead {
  max-width: 38rem;
  margin: 0 auto 2.5rem;
  text-align: center;
  color: var(--muted);
}

.section-lead--left {
  margin-left: 0;
  margin-right: 0;
  margin-bottom: 1.5rem;
  text-align: left;
}

h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.65rem, 3vw, 2.15rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  margin: 0 0 0.35rem;
}

.section-sub {
  text-align: center;
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0 0 2.5rem;
}

.services {
  background: var(--paper);
}

.service-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.service-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.75rem 1.5rem;
  background: var(--cream);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.service-card:hover {
  border-color: rgba(74, 52, 40, 0.35);
  box-shadow: 0 8px 28px rgba(28, 28, 28, 0.06);
}

.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin: 0 0 0.5rem;
  letter-spacing: 0.04em;
}

.service-card p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--muted);
}

.trust-strip {
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--muted);
  padding: 1.25rem 1rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fff 0%, var(--cream) 100%);
}

.about {
  background: linear-gradient(180deg, var(--cream) 0%, #f0ebe3 100%);
}

.about .section-inner > div:first-of-type h2 {
  text-align: left;
}

.about .section-inner {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 52rem) {
  .about .section-inner {
    grid-template-columns: 1fr 1fr;
  }
}

.about-copy p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.about-aside {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.75rem;
  background: var(--paper);
}

.about-aside h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin: 0 0 1rem;
  letter-spacing: 0.04em;
}

.about-aside ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.about-aside li + li {
  margin-top: 0.5rem;
}

/* —— Work / carousel —— */
.work {
  background: var(--cream);
  border-top: 1px solid var(--line);
}

.work h2 {
  color: #000;
  margin-bottom: 1.5rem;
}

.contact .section-inner > h2,
.contact .section-sub {
  color: #000;
}

.contact .contact-note,
.contact .contact-list {
  color: #000;
}

.contact .contact-list strong {
  color: #000;
}

.contact .contact-card h3 {
  color: #000;
}

.contact .contact-list a:hover {
  color: #000;
  opacity: 0.75;
}

.carousel {
  max-width: 52rem;
  margin: 0 auto;
}

.carousel-viewport {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #e8e4de;
}

.carousel-figure {
  margin: 0;
}

.carousel-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(70vh, 520px);
  object-fit: contain;
  margin: 0 auto;
  background: #e8e4de;
  opacity: 0;
  transition: opacity 0.28s ease;
}

.carousel-image.is-visible {
  opacity: 1;
}

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

.carousel-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 2;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fff;
  background: #000;
  padding: 0.35rem 0.55rem;
  border-radius: 3px;
}

.carousel-group-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0;
  padding: 1rem 1.25rem 0;
  text-align: center;
  color: #000;
}

.carousel-figcaption {
  font-size: 0.98rem;
  color: #000;
  line-height: 1.55;
  padding: 0.75rem 1.25rem 1.25rem;
  text-align: center;
  max-width: 40rem;
  margin: 0 auto;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.carousel-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: center;
  flex: 1;
  min-width: 8rem;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  padding: 0;
  cursor: pointer;
  background: rgba(28, 28, 28, 0.22);
  transition: transform 0.15s, background 0.15s;
}

.carousel-dot:hover {
  background: rgba(28, 28, 28, 0.45);
}

.carousel-dot[aria-current="true"] {
  background: var(--ink);
  transform: scale(1.15);
}

.carousel-btn {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.55rem 1rem;
  border-radius: 4px;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.carousel-btn:hover {
  background: var(--ink);
  color: var(--paper);
}

.carousel-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.carousel-error {
  text-align: center;
  color: #000;
  font-weight: 600;
  padding: 2rem 1rem;
  line-height: 1.55;
}

.carousel-error code {
  font-weight: 500;
}

.carousel-loading {
  text-align: center;
  color: var(--muted);
  padding: 2rem 1rem;
}

.carousel-hint {
  text-align: center;
  font-size: 0.88rem;
  color: #000;
  margin: 1rem 0 0;
}

.carousel-hint kbd {
  font-family: var(--font-sans);
  font-size: 0.82em;
  border: 1px solid var(--line);
  padding: 0.1em 0.45em;
  border-radius: 4px;
  background: var(--paper);
  margin: 0 0.15em;
}

.contact {
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.contact-grid {
  display: grid;
  gap: 2rem;
}

.contact-grid--single {
  max-width: 36rem;
  margin: 0 auto;
}

@media (min-width: 48rem) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .contact-grid--single {
    grid-template-columns: 1fr;
    max-width: 36rem;
  }
}

.contact-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2rem;
  background: var(--cream);
}

.contact-card h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin: 0 0 0.75rem;
}

.contact-note {
  font-size: 0.92rem;
  color: var(--muted);
  margin: 0 0 1.25rem;
}

.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-list li + li {
  margin-top: 0.65rem;
}

.contact-list strong {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.site-footer {
  padding: 2rem 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--accent);
  color: var(--wood-light);
}

.site-footer a {
  color: #fff;
}

/* —— Mobile nav —— */
@media (max-width: 52rem) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(250, 248, 245, 0.98);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }

  .site-nav.is-open {
    max-height: 16rem;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.25rem 1rem;
  }

  .site-nav li {
    border-bottom: 1px solid var(--line);
  }

  .site-nav li:last-child {
    border-bottom: none;
  }

  .site-nav a {
    display: block;
    padding: 0.85rem 0;
  }
}

@media (max-width: 30rem) {
  .hero .btn-secondary {
    display: block;
    margin: 0.75rem 0 0;
  }
}