/* ============================================================
   WESTCOAST DRAFTING — main.css
   Global styles, design tokens, navigation, hero, about,
   contact, footer, and utility classes.
   ============================================================ */

/* ── Design Tokens ───────────────────────────────────────── */
:root {
  --color-navy:    #1A1A2E;
  --color-navy-80: rgba(26, 26, 46, 0.8);
  --color-gold:    #C9A96E;
  --color-gold-lt: #DFC99A;
  --color-bg:      #FAFAF8;
  --color-white:   #FFFFFF;
  --color-text:    #2D2D2D;
  --color-muted:   #7A7A7A;
  --color-border:  #E8E6E1;
  --color-rule:    rgba(201, 169, 110, 0.35);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --nav-h: 76px;
  --section-pad: clamp(72px, 10vw, 120px);
  --container:   1320px;
  --gutter:      clamp(24px, 5vw, 60px);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 0.35s var(--ease-out);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Typography ──────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  color: var(--color-navy);
}

h1 { font-size: clamp(2.6rem, 5.5vw, 4.5rem); font-weight: 500; }
h2 { font-size: clamp(2rem, 3.5vw, 3rem);   font-weight: 400; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 500; }

p  { max-width: 65ch; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 20px;
}

/* ── Container ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  background: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background var(--transition), color var(--transition);
}
.btn-primary:hover {
  background: var(--color-gold);
  color: var(--color-navy);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 34px;
  border: 1.5px solid var(--color-navy);
  color: var(--color-navy);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn-outline:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

/* ── Navigation ──────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: var(--nav-h);
  transition: background var(--transition), box-shadow var(--transition);
}

#nav.nav--scrolled {
  background: rgba(250, 250, 248, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  padding: 0 var(--gutter);
  max-width: var(--container);
  margin: 0 auto;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 2px;
}

.logo-main {
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.logo-sub {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-navy);
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-navy);
  position: relative;
  padding-bottom: 3px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1.5px;
  background: var(--color-gold);
  transition: width var(--transition);
}

.nav-links a:hover::after { width: 100%; }

.nav-links .nav-cta {
  padding: 9px 22px;
  border: 1.5px solid var(--color-navy);
  border-radius: 2px;
  transition: background var(--transition), color var(--transition);
}
.nav-links .nav-cta:hover { background: var(--color-navy); color: var(--color-white); }
.nav-links .nav-cta::after { display: none; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 10;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-navy);
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Hero ────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg);
  padding-top: var(--nav-h);
}

/* Architectural grid background */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-rule) 1px, transparent 1px);
  background-size: 80px 80px;
  background-position: center center;
  opacity: 0.5;
  pointer-events: none;
}

/* Fade out grid at bottom */
#hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 35%;
  background: linear-gradient(to top, var(--color-bg), transparent);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding: 0 var(--gutter);
  margin: 0 auto;
}

.hero-eyebrow { margin-bottom: 24px; }

.hero-inner h1 {
  margin-bottom: 28px;
}

.hero-inner h1 em {
  font-style: italic;
  color: var(--color-gold);
}

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: var(--color-muted);
  margin-bottom: 44px;
  max-width: 54ch;
  line-height: 1.75;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-muted);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
}

.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
}

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

/* ── Section Base ────────────────────────────────────────── */
section { padding: var(--section-pad) 0; }

.section-header {
  text-align: center;
  margin-bottom: clamp(48px, 7vw, 80px);
}

.section-header h2 { margin-bottom: 14px; }

.section-header p {
  color: var(--color-muted);
  font-size: 1.05rem;
  margin: 0 auto;
  max-width: 50ch;
}

/* ── About ───────────────────────────────────────────────── */
#about {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 7vw, 100px);
  align-items: center;
}

.about-left .eyebrow { display: block; margin-bottom: 16px; }
.about-left h2 { margin-bottom: 24px; }
.about-left p  { color: var(--color-muted); line-height: 1.85; }
.about-left p + p { margin-top: 16px; }
.about-left .btn-outline { margin-top: 36px; }

.about-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat-card {
  padding: 32px 24px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
}

.stat-card__number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--color-navy);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-card__number span {
  color: var(--color-gold);
}

.stat-card__label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ── Contact ─────────────────────────────────────────────── */
#contact { background: var(--color-bg); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 7vw, 100px);
  align-items: start;
}

.contact-left .eyebrow { display: block; margin-bottom: 16px; }
.contact-left h2 { margin-bottom: 20px; }
.contact-left > p { color: var(--color-muted); margin-bottom: 40px; }

.contact-details { display: flex; flex-direction: column; gap: 20px; }

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-detail__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  color: var(--color-gold);
}

.contact-detail__info { display: flex; flex-direction: column; gap: 2px; }

.contact-detail__label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.contact-detail__value {
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 400;
}

.contact-detail__value a:hover { color: var(--color-gold); }

/* Contact form */
.contact-form { display: flex; flex-direction: column; gap: 16px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-navy);
}

.form-group input,
.form-group textarea,
.form-group select {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 2px;
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-gold);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-submit { margin-top: 8px; }
.form-submit .btn-primary { width: 100%; justify-content: center; }

/* ── Footer ──────────────────────────────────────────────── */
footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.55);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo .logo-main { color: var(--color-gold-lt); }
.footer-logo .logo-sub  { color: rgba(255,255,255,0.9); font-size: 0.85rem; }

.footer-copy {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--color-gold); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .about-right { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    background: var(--color-bg);
    transform: translateY(-100%);
    transition: transform var(--transition);
    z-index: 5;
  }
  .nav-links.is-open { transform: translateY(0); }
  .nav-links a { font-size: 1rem; }
  .nav-cta { display: none !important; }
  .nav-toggle { display: flex; }

  .hero-inner { text-align: center; }
  .hero-sub { margin: 0 auto 44px; }

  .about-right { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .about-right { grid-template-columns: 1fr 1fr; }
}