/* ========================================
   Tigerstone Interiors - Custom Styles
   Midnight Blue + Mint Palette
   ======================================== */

/* --- CSS Variables --- */
:root {
  --midnight: #0f1c3f;
  --midnight-light: #1a2d5a;
  --midnight-dark: #091229;
  --mint: #3ecfa8;
  --mint-light: #5eead4;
  --mint-pale: #e0faf3;
  --mint-glow: rgba(62, 207, 168, 0.15);
  --warm-white: #fafbfc;
  --warm-gray: #f4f6f8;
  --text-dark: #1a2332;
  --text-mid: #4a5568;
  --text-light: #718096;
  --white: #ffffff;
  --shadow-sm: 0 2px 8px rgba(15, 28, 63, 0.06);
  --shadow-md: 0 4px 20px rgba(15, 28, 63, 0.08);
  --shadow-lg: 0 8px 40px rgba(15, 28, 63, 0.12);
  --shadow-xl: 0 16px 60px rgba(15, 28, 63, 0.16);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 40px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-dark);
  background: var(--warm-white);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Nunito', sans-serif;
  line-height: 1.2;
  color: var(--midnight);
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-xl);
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--mint);
  color: var(--midnight-dark);
  border-color: var(--mint);
  box-shadow: 0 4px 16px rgba(62, 207, 168, 0.35);
}

.btn-primary:hover {
  background: var(--mint-light);
  border-color: var(--mint-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(62, 207, 168, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--midnight);
  border-color: var(--midnight);
}

.btn-outline:hover {
  background: var(--midnight);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.1rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
  padding: 18px 28px;
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  padding: 12px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--white);
  transition: var(--transition);
}

.navbar.scrolled .logo {
  color: var(--midnight);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--mint);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--midnight-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 10px 20px;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  transition: var(--transition);
}

.navbar.scrolled .nav-links a {
  color: var(--text-mid);
}

.nav-links a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.navbar.scrolled .nav-links a:hover {
  color: var(--midnight);
  background: var(--mint-glow);
}

.nav-links .btn-primary {
  background: var(--mint);
  color: var(--midnight-dark);
  border: none;
  box-shadow: 0 2px 12px rgba(62, 207, 168, 0.3);
}

.nav-links .btn-primary:hover {
  background: var(--mint-light);
  transform: translateY(-1px);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.mobile-toggle span {
  width: 24px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.navbar.scrolled .mobile-toggle span {
  background: var(--midnight);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--midnight-dark) 0%, var(--midnight) 40%, var(--midnight-light) 100%);
  padding: 120px 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(62, 207, 168, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(62, 207, 168, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(255,255,255,0.03) 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px, 40px 40px;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(62, 207, 168, 0.15);
  border: 1px solid rgba(62, 207, 168, 0.3);
  color: var(--mint-light);
  padding: 8px 20px;
  border-radius: var(--radius-xl);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

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

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-trust {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  font-weight: 500;
}

.trust-item svg {
  color: var(--mint);
}

.hero-wave {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  color: var(--warm-white);
}

.hero-wave svg {
  display: block;
  width: 100%;
  height: auto;
}

/* --- Section Styles --- */
.section-tag {
  display: inline-block;
  background: var(--mint-glow);
  color: var(--mint);
  border: 1px solid rgba(62, 207, 168, 0.2);
  padding: 6px 16px;
  border-radius: var(--radius-xl);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-mid);
  max-width: 560px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header .section-desc {
  margin: 0 auto;
}

/* --- Services Section --- */
.services {
  padding: 100px 0;
  background: var(--warm-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid rgba(15, 28, 63, 0.06);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--mint), var(--mint-light));
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--mint-pale);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mint);
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--mint);
  color: var(--midnight-dark);
  transform: scale(1.05);
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-mid);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-mid);
}

.service-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--mint);
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- About Section --- */
.about {
  padding: 100px 0;
  background: var(--warm-gray);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-images {
  position: relative;
}

.about-img-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-img-main img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-img-secondary {
  position: absolute;
  bottom: -32px;
  right: -24px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--warm-gray);
}

.about-img-secondary img {
  width: 200px;
  height: 200px;
  object-fit: cover;
}

.about-experience {
  position: absolute;
  top: -20px;
  left: -20px;
  background: var(--midnight);
  color: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-experience .exp-number {
  font-family: 'Nunito', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--mint);
  line-height: 1;
}

.about-experience .exp-text {
  font-size: 0.85rem;
  line-height: 1.3;
  opacity: 0.8;
}

.about-content .section-title {
  margin-top: 8px;
}

.about-text {
  color: var(--text-mid);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.value-icon {
  width: 36px;
  height: 36px;
  background: var(--mint-pale);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mint);
  flex-shrink: 0;
}

.value-item span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
}

/* --- Gallery Section --- */
.gallery {
  padding: 100px 0;
  background: var(--warm-white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 260px);
  gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 28, 63, 0.7) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay span {
  color: var(--white);
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
}

.gallery-item.large {
  grid-column: span 2;
}

.gallery-item.tall {
  grid-row: span 2;
}

/* --- CTA Section --- */
.cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--midnight-dark) 0%, var(--midnight) 50%, var(--midnight-light) 100%);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 80% 50%, rgba(62, 207, 168, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}

.cta-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--white);
  margin-bottom: 16px;
}

.cta-text {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 480px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Contact Section --- */
.contact {
  padding: 100px 0;
  background: var(--warm-gray);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-desc {
  color: var(--text-mid);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--mint-pale);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mint);
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-family: 'Nunito', sans-serif;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--midnight);
  margin-bottom: 4px;
}

.contact-item p, .contact-item a {
  color: var(--text-mid);
  font-size: 0.95rem;
  line-height: 1.5;
}

.contact-item a:hover {
  color: var(--mint);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(15, 28, 63, 0.04);
}

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

.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: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 16px;
  border: 2px solid var(--warm-gray);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--text-dark);
  background: var(--warm-white);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--mint);
  background: var(--white);
  box-shadow: 0 0 0 4px var(--mint-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-light);
}

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

.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--mint-pale);
  border: 1px solid rgba(62, 207, 168, 0.3);
  border-radius: var(--radius-sm);
  color: var(--midnight);
  font-weight: 600;
  font-size: 0.95rem;
}

.form-success.show {
  display: flex;
}

.form-success svg {
  color: var(--mint);
  flex-shrink: 0;
}

/* --- Footer --- */
.footer {
  background: var(--midnight-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer .logo {
  color: var(--white);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-links h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 20px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about-grid {
    gap: 48px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 32px;
    gap: 4px;
    box-shadow: var(--shadow-xl);
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .nav-links.open {
    right: 0;
  }
  
  .nav-links a {
    color: var(--text-dark) !important;
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
  }
  
  .nav-links a:hover {
    background: var(--mint-glow) !important;
    color: var(--midnight) !important;
  }
  
  .nav-links .btn-primary {
    margin-top: 16px;
    justify-content: flex-start;
  }
  
  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 28, 63, 0.5);
    z-index: 999;
  }
  
  .mobile-overlay.show {
    display: block;
  }
  
  .hero {
    padding: 100px 20px 60px;
    min-height: auto;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-trust {
    gap: 16px;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .about-img-secondary {
    right: 16px;
    bottom: -24px;
  }
  
  .about-img-secondary img {
    width: 160px;
    height: 160px;
  }
  
  .about-experience {
    left: 16px;
    top: -16px;
  }
  
  .about-values {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(3, 200px);
  }
  
  .gallery-item.large {
    grid-column: span 2;
  }
  
  .gallery-item.tall {
    grid-row: span 1;
  }
  
  .cta-card {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  
  .cta-actions {
    justify-content: center;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .contact-form-wrapper {
    padding: 28px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.7rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(5, 200px);
  }
  
  .gallery-item.large {
    grid-column: span 1;
  }
  
  .btn-lg {
    padding: 16px 28px;
    font-size: 1rem;
  }
}