/* ============================================================
   Gulf Coast Railings — Modern stylesheet
   Architectural & ornamental metal fabrication, Houston area
   ============================================================ */

:root {
  --color-primary: #1f3a5f;      /* deep steel blue */
  --color-primary-dark: #162a45;
  --color-accent: #c8a24a;       /* bronze / gold */
  --color-accent-dark: #a9852f;
  --color-dark: #1c1c1c;         /* charcoal */
  --color-dark-2: #262626;
  --color-light: #f5f6f8;        /* page background */
  --color-white: #ffffff;
  --color-text: #333333;
  --color-muted: #6b7280;
  --color-border: #e2e5ea;
  --font-sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --radius: 8px;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --container: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-light);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-dark);
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--color-dark);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-white);
}

.brand-logo {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-accent);
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1.1;
}

.brand-name span {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-white);
  font-size: 1.1rem;
  padding: 8px 14px;
  border-radius: var(--radius);
  cursor: pointer;
}

.site-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav > ul > li {
  position: relative;
}

.site-nav a {
  display: block;
  color: #e6e6e6;
  padding: 10px 14px;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-white);
  background: var(--color-primary);
}

.site-nav .has-submenu > a::after {
  content: "▾";
  margin-left: 6px;
  font-size: 0.8rem;
}

.site-nav .submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-dark-2);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 6px 0;
}

.site-nav .has-submenu:hover .submenu,
.site-nav .has-submenu:focus-within .submenu {
  display: block;
}

.site-nav .submenu a {
  padding: 9px 16px;
  border-radius: 0;
  font-weight: 400;
}

.site-nav .submenu a:hover {
  background: var(--color-primary);
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #2c5f8a 100%);
  color: var(--color-white);
  padding: 70px 0 60px;
  text-align: center;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  line-height: 1.15;
  margin-bottom: 18px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-size: 1.15rem;
  max-width: 720px;
  margin: 0 auto 28px;
  color: #d7dee8;
}

.hero .tagline {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-accent);
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-dark);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-dark {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-dark:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

/* ---------- Sections ---------- */
.section {
  padding: 60px 0;
}

.section-alt {
  background: var(--color-white);
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 40px;
}

.section-head .eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent-dark);
  font-weight: 600;
  font-size: 0.8rem;
  margin-bottom: 8px;
}

.section-head h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.section-head p {
  color: var(--color-muted);
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: var(--color-white);
  padding: 48px 0 40px;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.page-hero .breadcrumb {
  font-size: 0.9rem;
  color: #c3ccd8;
}

.page-hero .breadcrumb a {
  color: var(--color-accent);
}

/* ---------- Cards / grids ---------- */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-body {
  padding: 22px;
}

.card-body h3 {
  font-size: 1.15rem;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.card-body p {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.card-link {
  font-weight: 600;
  color: var(--color-accent-dark);
}

/* ---------- Feature list ---------- */
.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 24px;
}

.feature-list li {
  padding-left: 30px;
  position: relative;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent-dark);
  font-weight: 700;
}

/* ---------- Two column content ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.split img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

/* ---------- Stats / trust bar ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat .num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: var(--color-accent);
  font-weight: 700;
}

.stat .label {
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ---------- Project links (home) ---------- */
.project-link {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--color-white);
}

.project-link img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.project-link:hover img {
  transform: scale(1.05);
}

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gallery-item {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--color-white);
}

.gallery-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 20px;
}

.lightbox.open { display: flex; }

.lightbox img {
  max-width: 90vw;
  max-height: 80vh;
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
}

.lightbox-caption {
  color: var(--color-white);
  margin-top: 14px;
  font-size: 0.95rem;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2.4rem;
  cursor: pointer;
  line-height: 1;
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: var(--color-white);
  font-size: 2rem;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

/* ---------- FAQ ---------- */
.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
}

.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 22px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-q::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--color-accent-dark);
}

.faq-item.open .faq-q::after {
  content: "−";
}

.faq-a {
  display: none;
  padding: 0 22px 20px;
  color: var(--color-muted);
}

.faq-item.open .faq-a {
  display: block;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.contact-card h3 {
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  font-size: 1.2rem;
}

.contact-card p {
  margin-bottom: 10px;
}

.contact-card .label {
  font-weight: 600;
  color: var(--color-primary);
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  padding: 50px 0;
}

.cta-band h2 {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  margin-bottom: 10px;
}

.cta-band p {
  color: #c3ccd8;
  margin-bottom: 24px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-dark);
  color: #b9bfc7;
  padding: 50px 0 0;
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px;
  padding-bottom: 30px;
}

.footer-grid h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-grid a {
  color: #b9bfc7;
  display: block;
  padding: 3px 0;
}

.footer-grid a:hover {
  color: var(--color-accent);
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-white);
  margin-bottom: 10px;
}

.footer-bottom {
  border-top: 1px solid #3a3a3a;
  padding: 18px 0;
  text-align: center;
  font-size: 0.82rem;
  color: #8a8f96;
}

/* ---------- Content prose ---------- */
.prose {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}

.prose h2 {
  font-family: var(--font-serif);
  color: var(--color-primary-dark);
  font-size: 1.6rem;
  margin: 28px 0 12px;
}

.prose h2:first-child { margin-top: 0; }

.prose h3 {
  color: var(--color-primary);
  font-size: 1.2rem;
  margin: 20px 0 10px;
}

.prose p {
  margin-bottom: 16px;
}

.prose ul,
.prose ol {
  margin: 0 0 16px 22px;
}

.prose li {
  margin-bottom: 6px;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 0.92rem;
}

.prose th,
.prose td {
  border: 1px solid var(--color-border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: var(--color-primary);
  color: var(--color-white);
}

.prose tr:nth-child(even) td {
  background: #f7f8fa;
}

/* ---------- Resource list (numbered editorial list) ---------- */
.prose .resource-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: res;
}

.resource-list li {
  counter-increment: res;
  position: relative;
  padding: 16px 0 16px 48px;
  margin-bottom: 0;
  border-bottom: 1px solid var(--color-border);
}

.resource-list li:last-child {
  border-bottom: none;
}

.resource-list li::before {
  content: counter(res, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 16px;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-accent-dark);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    width: 100%;
    margin-top: 12px;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; }
  .site-nav .submenu {
    position: static;
    display: none;
    box-shadow: none;
    padding-left: 16px;
  }
  .site-nav .has-submenu.open .submenu { display: block; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-list { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .page-hero h1 { font-size: 1.8rem; }
  .prose { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
}