/* XMYUHOME - Main Stylesheet */
/* Design: Refined Architectural Minimalism */

:root {
  --color-primary: #7c2d12;
  --color-primary-light: #7c2d1220;
  --color-primary-fg: #fff7ed;
  --color-bg: #fafaf9;
  --color-fg: #1c1917;
  --color-muted: #78716c;
  --color-border: #e7e5e4;
  --color-card: #ffffff;
  --color-secondary-bg: #f5f5f4;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}
@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250,250,249,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-fg);
}
.nav { display: flex; align-items: center; gap: 2rem; }
.nav a {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  transition: color 0.2s;
}
.nav a:hover, .nav a.active { color: var(--color-primary); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.25rem;
  background: var(--color-primary);
  color: var(--color-primary-fg);
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 0.4rem;
  transition: opacity 0.2s;
}
.nav-cta:hover { opacity: 0.9; }

/* Mobile nav */
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.mobile-toggle svg { width: 24px; height: 24px; }
.mobile-nav { display: none; }

@media (max-width: 1023px) {
  .nav { display: none; }
  .nav-cta-desktop { display: none; }
  .mobile-toggle { display: block; }
  .mobile-nav.open {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
  }
  .mobile-nav a {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-muted);
    padding: 0.5rem 0;
  }
  .mobile-nav a:hover { color: var(--color-primary); }
}

/* Main content offset */
main { padding-top: 72px; }

/* Hero Section */
.hero {
  position: relative;
  height: 70vh;
  min-height: 500px;
  max-height: 700px;
  overflow: hidden;
}
.hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.65), rgba(0,0,0,0.3), transparent);
}
.hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
}
.hero-text { max-width: 640px; }
.hero-tag {
  color: rgba(255,255,255,0.7);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
@media (min-width: 768px) { .hero h1 { font-size: 3.25rem; } }
@media (min-width: 1024px) { .hero h1 { font-size: 3.75rem; } }
.hero-desc {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 480px;
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  background: var(--color-primary);
  color: var(--color-primary-fg);
  font-weight: 500;
  border-radius: 0.4rem;
  transition: opacity 0.2s, transform 0.15s;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
}
.btn-primary:hover { opacity: 0.9; }
.btn-primary:active { transform: scale(0.97); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-weight: 500;
  border-radius: 0.4rem;
  transition: background 0.2s;
  font-size: 0.9rem;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); }
.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 500;
  border-radius: 0.4rem;
  transition: background 0.2s, color 0.2s;
  font-size: 0.9rem;
}
.btn-outline-dark:hover { background: var(--color-primary); color: var(--color-primary-fg); }

/* Sections */
.section { padding: 5rem 0; }
.section-alt { background: var(--color-secondary-bg); }
.section-dark { background: var(--color-fg); }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-tag {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-fg);
}
@media (min-width: 1024px) { .section-title { font-size: 2.25rem; } }
.section-desc {
  color: var(--color-muted);
  max-width: 640px;
  margin: 0.75rem auto 0;
}

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
@media (min-width: 1024px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.grid-4 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (min-width: 640px) { .grid-4 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }

/* Cards */
.card {
  padding: 1.5rem;
  background: var(--color-card);
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
  transition: box-shadow 0.3s, border-color 0.3s;
}
.card:hover { box-shadow: 0 10px 30px rgba(0,0,0,0.08); border-color: var(--color-primary-light); }
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 0.4rem;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--color-primary);
}
.card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.card p { font-size: 0.875rem; color: var(--color-muted); line-height: 1.6; }

/* Product category tiles */
.cat-tile {
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
  aspect-ratio: 4/3;
}
.cat-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.cat-tile:hover img { transform: scale(1.05); }
.cat-tile-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), rgba(0,0,0,0.2), transparent);
}
.cat-tile-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  color: #fff;
  font-weight: 500;
  font-size: 0.85rem;
}
@media (min-width: 1024px) { .cat-tile-title { font-size: 0.95rem; padding: 1rem; } }

/* Stats bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  padding: 3rem 0;
}
@media (min-width: 1024px) { .stats-bar { grid-template-columns: repeat(4, 1fr); } }
.stat { text-align: center; }
.stat-value {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-bg);
}
@media (min-width: 1024px) { .stat-value { font-size: 2.5rem; } }
.stat-label { font-size: 0.8rem; color: rgba(250,250,249,0.6); margin-top: 0.25rem; }

/* Project cards */
.project-card { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: stretch; }
@media (min-width: 1024px) { .project-card { grid-template-columns: 3fr 2fr; } }
.project-card img { width: 100%; height: 100%; min-height: 300px; object-fit: cover; border-radius: 0.5rem; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.project-card-info { display: flex; flex-direction: column; justify-content: center; }
.project-type { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-primary); margin-bottom: 0.5rem; }
.project-title { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.project-location { font-size: 0.85rem; color: var(--color-muted); margin-bottom: 1rem; }
.project-scope-title { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.5rem; }
.project-scope { font-size: 0.85rem; color: var(--color-muted); line-height: 1.6; }
.project-highlights { margin-top: 1rem; }
.project-highlights li {
  font-size: 0.85rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}
.project-highlights li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* Solution cards */
.solution-item { margin-bottom: 4rem; }
.solution-item:last-child { margin-bottom: 0; }
.solution-icon {
  width: 40px;
  height: 40px;
  border-radius: 0.4rem;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.solution-scope { display: grid; grid-template-columns: 1fr; gap: 0.5rem; margin-top: 1.5rem; }
@media (min-width: 640px) { .solution-scope { grid-template-columns: 1fr 1fr; } }
.solution-scope li {
  font-size: 0.85rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.solution-scope li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* Product detail cards */
.product-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
  align-items: start;
}
@media (min-width: 1024px) { .product-detail { grid-template-columns: 2fr 3fr; } }
.product-detail img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 0.5rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.product-detail h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.product-detail p { font-size: 0.875rem; color: var(--color-muted); line-height: 1.7; margin-bottom: 1rem; }
.product-features li {
  font-size: 0.85rem;
  color: var(--color-muted);
  padding: 0.25rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.product-features li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* Contact form */
.form-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 640px) { .form-grid-2 { grid-template-columns: 1fr 1fr; } }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 0.35rem;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.checkbox-grid { display: grid; grid-template-columns: 1fr; gap: 0.5rem; }
@media (min-width: 640px) { .checkbox-grid { grid-template-columns: 1fr 1fr; } }
.checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-muted);
  cursor: pointer;
}
.checkbox-item input { width: 16px; height: 16px; accent-color: var(--color-primary); }

/* Contact info */
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.contact-info-icon {
  width: 36px;
  height: 36px;
  border-radius: 0.35rem;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.contact-info-label { font-size: 0.8rem; font-weight: 500; }
.contact-info-value { font-size: 0.85rem; color: var(--color-muted); }
.contact-info-value a { color: var(--color-muted); transition: color 0.2s; }
.contact-info-value a:hover { color: var(--color-primary); }

/* Footer */
.footer {
  background: var(--color-fg);
  color: rgba(250,250,249,0.8);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; } }
.footer h3 { font-size: 1.25rem; font-weight: 700; color: var(--color-bg); margin-bottom: 1rem; }
.footer h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-bg);
  margin-bottom: 1rem;
}
.footer p { font-size: 0.85rem; opacity: 0.7; line-height: 1.6; }
.footer ul li { margin-bottom: 0.5rem; }
.footer ul li a { font-size: 0.85rem; opacity: 0.7; transition: opacity 0.2s; }
.footer ul li a:hover { opacity: 1; }
.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(250,250,249,0.1);
  text-align: center;
  font-size: 0.75rem;
  opacity: 0.5;
}

/* Utility */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 2rem; }
.rounded { border-radius: 0.5rem; }
.shadow { box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.img-full { width: 100%; border-radius: 0.5rem; }

/* Reverse grid on alternating items */
@media (min-width: 1024px) {
  .grid-2.reverse { direction: rtl; }
  .grid-2.reverse > * { direction: ltr; }
}

/* Product scope list */
.scope-list { display: grid; grid-template-columns: 1fr; gap: 0.4rem; }
@media (min-width: 640px) { .scope-list { grid-template-columns: 1fr 1fr; } }
.scope-list li {
  font-size: 0.85rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.scope-list li svg { color: var(--color-primary); flex-shrink: 0; }

/* CTA section */
.cta-section { text-align: center; padding: 5rem 0; }
.cta-section h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-bg);
  margin-bottom: 1rem;
}
@media (min-width: 1024px) { .cta-section h2 { font-size: 2.25rem; } }
.cta-section p {
  color: rgba(250,250,249,0.7);
  max-width: 560px;
  margin: 0 auto 2rem;
}