/* ============================================
   CONSTRA — Construction Portfolio Template
   Bespoke Design System
   ============================================ */

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

:root {
  --earth: #8B6F47;
  --terracotta: #C45A3C;
  --stone: #D4C5A9;
  --charcoal: #2D2D2D;
  --cream: #FAF6F0;
  --white: #FFFFFF;
  --black: #111111;
  --earth-light: #A38A5E;
  --earth-dark: #6B5535;
  --terracotta-light: #D4775F;
  --stone-light: #E5D9C3;
  --text-primary: #2D2D2D;
  --text-secondary: #6B6B6B;
  --text-light: #FAF6F0;
  --border: #E8E0D4;
  --shadow-sm: 0 2px 8px rgba(45,45,45,0.06);
  --shadow-md: 0 8px 30px rgba(45,45,45,0.1);
  --shadow-lg: 0 20px 60px rgba(45,45,45,0.15);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Source Sans 3', 'Source Sans Pro', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  background: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul, ol { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  line-height: 1.2;
  color: var(--charcoal);
}

.font-mono { font-family: 'Space Mono', monospace; }

/* ---------- Utility ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 100px 0; }
.section--dark { background: var(--charcoal); color: var(--text-light); }
.section--dark h2, .section--dark h3, .section--dark p { color: var(--text-light); }
.section--stone { background: var(--stone); }
.text-terracotta { color: var(--terracotta); }
.text-earth { color: var(--earth); }
.text-stone { color: var(--stone); }
.text-charcoal { color: var(--charcoal); }
.bg-charcoal { background: var(--charcoal); }
.bg-earth { background: var(--earth); }
.bg-cream { background: var(--cream); }

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 40px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: rgba(250,246,240,0.97);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}
.nav__logo {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.5rem;
  color: var(--cream);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav.scrolled .nav__logo { color: var(--charcoal); }
.nav__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--terracotta);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cream);
  font-size: 1rem;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav__link {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(250,246,240,0.85);
  position: relative;
  padding: 4px 0;
}
.nav.scrolled .nav__link { color: var(--text-secondary); }
.nav__link:hover, .nav__link.active { color: var(--terracotta); }
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--terracotta);
  transition: width var(--transition);
}
.nav__link:hover::after, .nav__link.active::after { width: 100%; }

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--terracotta);
  color: var(--cream);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition);
}
.nav__cta:hover { background: var(--earth-dark); transform: translateY(-1px); }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav__hamburger span {
  width: 24px;
  height: 2px;
  background: var(--cream);
  transition: var(--transition);
}
.nav.scrolled .nav__hamburger span { background: var(--charcoal); }
.nav__hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ============================================
   HERO — Full-width carousel with vertical sidebar
   ============================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}
.hero__slides {
  position: absolute;
  inset: 0;
}
.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero__slide.active { opacity: 1; }
.hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45,45,45,0.7) 0%, rgba(45,45,45,0.3) 50%, rgba(139,111,71,0.2) 100%);
}

/* Vertical text sidebar */
.hero__sidebar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 80px;
  background: rgba(45,45,45,0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  backdrop-filter: blur(4px);
}
.hero__sidebar-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--stone);
}
.hero__sidebar-line {
  width: 1px;
  height: 60px;
  background: var(--terracotta);
  margin: 20px 0;
}

/* Hero content */
.hero__content {
  position: absolute;
  left: 120px;
  bottom: 120px;
  z-index: 10;
  max-width: 680px;
}
.hero__tag {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 16px;
}
.hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--cream);
  margin-bottom: 20px;
  line-height: 1.1;
}
.hero__desc {
  font-size: 1.1rem;
  color: rgba(250,246,240,0.8);
  margin-bottom: 32px;
  max-width: 520px;
  line-height: 1.7;
}

/* Hero stats */
.hero__stats {
  position: absolute;
  right: 60px;
  bottom: 120px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.hero__stat {
  text-align: right;
}
.hero__stat-number {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 2.8rem;
  color: var(--cream);
  line-height: 1;
}
.hero__stat-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
  margin-top: 4px;
}

/* Hero nav dots */
.hero__dots {
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.hero__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(250,246,240,0.5);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}
.hero__dot.active {
  background: var(--terracotta);
  border-color: var(--terracotta);
}

/* ============================================
   VERTICAL TIMELINE
   ============================================ */
.timeline {
  position: relative;
  padding: 80px 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--stone);
  transform: translateX(-50%);
}
.timeline__item {
  position: relative;
  width: 50%;
  padding: 0 60px 60px;
}
.timeline__item:nth-child(odd) {
  left: 0;
  text-align: right;
  padding-right: 60px;
  padding-left: 0;
}
.timeline__item:nth-child(even) {
  left: 50%;
  text-align: left;
  padding-left: 60px;
  padding-right: 0;
}
.timeline__dot {
  position: absolute;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--terracotta);
  border: 3px solid var(--cream);
  box-shadow: 0 0 0 2px var(--terracotta);
  z-index: 2;
}
.timeline__item:nth-child(odd) .timeline__dot { right: -8px; }
.timeline__item:nth-child(even) .timeline__dot { left: -8px; }
.timeline__year {
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--terracotta);
  margin-bottom: 8px;
}
.timeline__title {
  font-size: 1.4rem;
  margin-bottom: 8px;
}
.timeline__desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.timeline__parallax-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  opacity: 0.04;
  z-index: -1;
}

/* ============================================
   ABOUT — 3-image mosaic
   ============================================ */
.about-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px;
}
.about-mosaic__main {
  grid-row: 1 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.about-mosaic__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.about-mosaic__main:hover img { transform: scale(1.03); }
.about-mosaic__side {
  border-radius: var(--radius-md);
  overflow: hidden;
}
.about-mosaic__side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.about-mosaic__side:hover img { transform: scale(1.03); }

.about__text { max-width: 560px; }
.about__label {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 12px;
}
.about__heading {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 20px;
}
.about__desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

/* ============================================
   SERVICES — 2-column cards
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-card__img {
  position: relative;
  height: 260px;
  overflow: hidden;
}
.service-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.service-card:hover .service-card__img img { transform: scale(1.05); }
.service-card__number {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 44px;
  height: 44px;
  background: var(--terracotta);
  color: var(--cream);
  font-family: 'Space Mono', monospace;
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}
.service-card__body { padding: 28px; }
.service-card__title {
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.service-card__desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-card__link {
  font-family: 'Space Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--terracotta);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap var(--transition);
}
.service-card__link:hover { gap: 14px; }

/* ============================================
   BLOG GRID
   ============================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.blog-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.blog-card__img {
  height: 200px;
  overflow: hidden;
}
.blog-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.blog-card:hover .blog-card__img img { transform: scale(1.05); }
.blog-card__body { padding: 20px; }
.blog-card__date {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--terracotta);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.blog-card__title {
  font-size: 1.1rem;
  margin-bottom: 8px;
  line-height: 1.3;
}
.blog-card__excerpt {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact__info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}
.contact__info-icon {
  width: 48px;
  height: 48px;
  background: var(--stone-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--earth);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact__info-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.contact__info-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--charcoal);
}

.contact-form {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.95rem;
  color: var(--charcoal);
  background: var(--cream);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--terracotta);
  box-shadow: 0 0 0 3px rgba(196,90,60,0.1);
}
.form-group textarea { resize: vertical; min-height: 140px; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: var(--terracotta);
  color: var(--cream);
  font-family: 'Space Mono', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover { background: var(--earth-dark); transform: translateY(-2px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: transparent;
  color: var(--cream);
  font-family: 'Space Mono', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 2px solid var(--cream);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-outline:hover {
  background: var(--cream);
  color: var(--charcoal);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--charcoal);
  color: rgba(250,246,240,0.7);
  padding: 80px 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer__brand {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.6rem;
  color: var(--cream);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer__desc {
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer__heading {
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 20px;
}
.footer__link {
  display: block;
  font-size: 0.9rem;
  color: rgba(250,246,240,0.6);
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer__link:hover { color: var(--terracotta); }
.footer__bottom {
  border-top: 1px solid rgba(250,246,240,0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}
.footer__socials {
  display: flex;
  gap: 16px;
}
.footer__social {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(250,246,240,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(250,246,240,0.6);
  transition: all var(--transition);
}
.footer__social:hover {
  background: var(--terracotta);
  border-color: var(--terracotta);
  color: var(--cream);
}

/* ============================================
   PAGE HEADER (sub-pages)
   ============================================ */
.page-header {
  position: relative;
  height: 45vh;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--charcoal);
}
.page-header__bg {
  position: absolute;
  inset: 0;
}
.page-header__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}
.page-header__content {
  position: relative;
  z-index: 2;
  text-align: center;
}
.page-header__title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  color: var(--cream);
  margin-bottom: 12px;
}
.page-header__crumb {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
}
.page-header__crumb a { color: var(--terracotta); }
.page-header__crumb a:hover { text-decoration: underline; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero__sidebar { width: 60px; }
  .hero__content { left: 90px; bottom: 80px; }
  .hero__stats { right: 40px; bottom: 80px; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav { padding: 0 20px; }
  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--charcoal);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    transition: right var(--transition);
    z-index: 999;
  }
  .nav__links.open { right: 0; }
  .nav__link { color: rgba(250,246,240,0.85); font-size: 1rem; }
  .nav__hamburger { display: flex; }

  .hero__sidebar { display: none; }
  .hero__content { left: 24px; right: 24px; bottom: 60px; }
  .hero__stats { display: none; }
  .hero__dots { right: 24px; }

  .timeline::before { left: 20px; }
  .timeline__item { width: 100%; left: 0 !important; text-align: left !important; padding-left: 50px !important; padding-right: 0 !important; }
  .timeline__dot { left: 12px !important; right: auto !important; }

  .about-mosaic { grid-template-columns: 1fr; }
  .about-mosaic__main { grid-row: auto; }

  .services-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  position: relative;
  padding: 80px 0;
  background: var(--earth);
  overflow: hidden;
}
.cta-banner__bg {
  position: absolute;
  inset: 0;
}
.cta-banner__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}
.cta-banner__content {
  position: relative;
  z-index: 2;
  text-align: center;
}
.cta-banner__title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--cream);
  margin-bottom: 16px;
}
.cta-banner__desc {
  font-size: 1.05rem;
  color: rgba(250,246,240,0.85);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* Counter */
.counter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.counter__number {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 3rem;
  color: var(--terracotta);
  line-height: 1;
}
.counter__label {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 8px;
}
@media (max-width: 768px) {
  .counter-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   MAP EMBED
   ============================================ */
.map-section {
  height: 400px;
  background: var(--stone-light);
  display: flex;
  align-items: center;
  justify-content: center;
}
.map-section iframe {
  width: 100%;
  height: 100%;
  border: none;
}