/* ==========================================================================
   STONE HAVEN CONSTRUCTIONS - DESIGN SYSTEM & STYLESHEET
   Brand Colors: Navy Blue (#0A0F26), Gold (#F5B718), Pure White (#FFFFFF)
   ========================================================================== */

:root {
  --color-navy-dark: #0A0F26;
  --color-navy-mid: #101738;
  --color-navy-surface: #172047;
  --color-navy-card: #1C2754;
  --color-gold-primary: #F5B718;
  --color-gold-light: #FFD056;
  --color-gold-dark: #C9930A;
  --color-gold-glow: rgba(245, 183, 24, 0.35);
  
  --color-text-main: #F8FAFC;
  --color-text-muted: #94A3B8;
  --color-text-dim: #64748B;
  --color-border-glow: rgba(245, 183, 24, 0.2);
  --color-border-subtle: rgba(255, 255, 255, 0.08);

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-navy-dark);
  color: var(--color-text-main);
  font-family: var(--font-body);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
}

.text-gold {
  color: var(--color-gold-primary);
}

.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--color-gold-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gold-gradient-text {
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold-primary) 60%, var(--color-gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.8rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-gold {
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold-primary) 100%);
  color: var(--color-navy-dark);
  box-shadow: 0 4px 20px var(--color-gold-glow);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245, 183, 24, 0.5);
  background: linear-gradient(135deg, #FFE082 0%, var(--color-gold-light) 100%);
}

.btn-outline {
  background: rgba(16, 23, 56, 0.6);
  border: 1px solid var(--color-gold-primary);
  color: var(--color-gold-primary);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: var(--color-gold-primary);
  color: var(--color-navy-dark);
  box-shadow: 0 4px 20px var(--color-gold-glow);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(245, 183, 24, 0.1);
  border: 1px solid var(--color-border-glow);
  border-radius: var(--radius-full);
  color: var(--color-gold-primary);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Header & Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 15, 38, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-subtle);
  transition: var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(10, 15, 38, 0.95);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 105px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 5px 0;
}

.logo-img {
  height: 85px;
  width: auto;
  max-width: 320px;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.5));
  transition: var(--transition-normal);
}

.logo-img:hover {
  transform: scale(1.03);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: var(--transition-fast);
  font-size: 0.95rem;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-gold-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.phone-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-gold-primary);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-text-main);
  font-size: 1.8rem;
  cursor: pointer;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 90px;
  left: 0;
  width: 100%;
  height: calc(100vh - 90px);
  background: var(--color-navy-dark);
  z-index: 999;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform: translateX(100%);
  transition: var(--transition-normal);
  border-top: 1px solid var(--color-border-glow);
}

.mobile-drawer.active {
  transform: translateX(0);
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-links a {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-main);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 180px 0 100px;
  background: linear-gradient(180deg, rgba(10, 15, 38, 0.86) 0%, rgba(16, 23, 56, 0.90) 100%),
              url('2.jpeg') center/cover no-repeat;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-glow), transparent);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  font-weight: 800;
  margin: 1.2rem 0;
  line-height: 1.15;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  max-width: 620px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-subtle);
}

.stat-item h4 {
  font-size: 2rem;
  color: var(--color-gold-primary);
}

.stat-item p {
  font-size: 0.875rem;
  color: var(--color-text-dim);
  margin-bottom: 0;
}

.hero-card {
  position: relative;
  background: rgba(28, 39, 84, 0.6);
  border: 1px solid var(--color-border-glow);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.hero-card-header {
  margin-bottom: 1.5rem;
}

.hero-card-header h3 {
  font-size: 1.5rem;
  color: var(--color-text-main);
  margin-bottom: 0.5rem;
}

/* Cost Calculator Widget */
.calc-widget {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.select-input, .text-input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--color-navy-dark);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  color: var(--color-text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.select-input:focus, .text-input:focus {
  outline: none;
  border-color: var(--color-gold-primary);
  box-shadow: 0 0 0 3px rgba(245, 183, 24, 0.15);
}

.toggle-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  background: var(--color-navy-dark);
  padding: 4px;
  border-radius: var(--radius-sm);
}

.toggle-btn {
  padding: 0.6rem;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.toggle-btn.active {
  background: var(--color-gold-primary);
  color: var(--color-navy-dark);
}

.calc-result-box {
  background: rgba(10, 15, 38, 0.8);
  border: 1px dashed var(--color-gold-primary);
  border-radius: var(--radius-sm);
  padding: 1.2rem;
  text-align: center;
}

.calc-result-box span {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.calc-result-box strong {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--color-gold-primary);
}

/* Sections */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  margin: 1rem 0;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* Services Cards Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--color-navy-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gold-primary), var(--color-gold-light));
  opacity: 0;
  transition: var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-border-glow);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 60px;
  height: 60px;
  background: rgba(245, 183, 24, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--color-gold-primary);
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-list li {
  font-size: 0.9rem;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-list li::before {
  content: '✓';
  color: var(--color-gold-primary);
  font-weight: bold;
}

/* Rate Guide Section */
.rates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.rate-card {
  background: linear-gradient(145deg, var(--color-navy-surface) 0%, var(--color-navy-card) 100%);
  border: 1px solid var(--color-border-glow);
  border-radius: var(--radius-lg);
  padding: 2.2rem 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
}

.rate-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.rate-badge {
  position: static;
  align-self: flex-start;
}

.rate-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
  line-height: 1.25;
}

.rate-price {
  font-size: 2.4rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--color-gold-primary);
  margin: 1rem 0;
}

.rate-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-dim);
}

.rate-features {
  list-style: none;
  margin: 1.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.rate-features li {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.rate-features li svg {
  flex-shrink: 0;
  color: var(--color-gold-primary);
  margin-top: 3px;
}

/* Construction Process Timeline */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
  position: relative;
}

.step-card {
  background: var(--color-navy-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 1.8rem 1.4rem;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-glow);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(245, 183, 24, 0.12);
  border: 1px solid var(--color-border-glow);
  color: var(--color-gold-primary);
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  flex-shrink: 0;
}

.step-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
  line-height: 1.35;
  color: var(--color-text-main);
}

.step-card p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.55;
}

/* Portfolio Gallery */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--color-navy-surface);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-muted);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--color-gold-primary);
  color: var(--color-navy-dark);
  border-color: var(--color-gold-primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  align-items: stretch;
}

.portfolio-item {
  background: var(--color-navy-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.portfolio-item:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-glow);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.portfolio-thumb {
  height: 380px;
  width: 100%;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  flex-shrink: 0;
}

.portfolio-tag {
  background: rgba(10, 15, 38, 0.85);
  backdrop-filter: blur(8px);
  color: var(--color-gold-primary);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
}

.portfolio-video-wrapper {
  position: relative;
  width: 100%;
  height: 380px;
  background: #050818;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-subtle);
  flex-shrink: 0;
}

.portfolio-video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #050818;
  display: block;
}

.portfolio-info {
  padding: 1.4rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.portfolio-info {
  padding: 1.5rem;
}

.portfolio-info h3 {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.portfolio-info p {
  color: var(--color-text-dim);
  font-size: 0.9rem;
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--color-navy-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-question {
  padding: 1.4rem 1.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
}

.faq-question svg {
  transition: var(--transition-fast);
  color: var(--color-gold-primary);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.8rem 1.4rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  display: none;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Contact / Quote Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.2rem;
  align-items: center;
  background: var(--color-navy-surface);
  border: 1px solid var(--color-border-glow);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.8rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.contact-info h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  margin: 0.75rem 0;
  line-height: 1.25;
}

.contact-info p {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.98rem;
}

.info-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 0.6rem 0.8rem;
  background: rgba(10, 15, 38, 0.4);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.info-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: rgba(245, 183, 24, 0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold-primary);
  font-size: 1.3rem;
}

.info-detail h4 {
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
  color: var(--color-text-main);
}

.info-detail p {
  margin-bottom: 0;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

/* Footer */
footer {
  background: #060919;
  border-top: 1px solid var(--color-border-subtle);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 1rem 0;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--color-gold-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-gold-primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-dim);
  font-size: 0.875rem;
}

/* Responsive Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
    padding: 2rem 1.8rem;
    gap: 2rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .process-timeline {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .contact-grid {
    padding: 1.5rem 1.25rem;
    gap: 1.5rem;
  }
  .nav-container {
    height: 90px;
  }
  .logo-img {
    height: 72px;
    max-width: 250px;
  }
  .nav-links, .phone-link {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .mobile-drawer {
    top: 90px;
    height: calc(100vh - 90px);
  }
  .hero {
    padding: 130px 0 60px;
  }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}