/* ==========================================================================
   Unbreakable Construction - Main Stylesheet
   ========================================================================== */

/* ---------- Custom Fonts ---------- */
@font-face {
  font-family: 'BebasNeue';
  src: url('../fonts/BebasNeue.otf') format('opentype');
  font-display: swap;
}

@font-face {
  font-family: 'Gothic';
  src: url('../fonts/gothic.woff') format('woff'),
       url('../fonts/gothic.ttf') format('truetype');
  font-display: swap;
}

/* ---------- CSS Variables ---------- */
:root {
  --color-primary: #cc0000;
  --color-primary-dark: #a00000;
  --color-dark: #1a1a1a;
  --color-darker: #111;
  --color-gray-900: #222;
  --color-gray-800: #333;
  --color-gray-600: #666;
  --color-gray-400: #999;
  --color-gray-200: #ddd;
  --color-gray-100: #f0f0f0;
  --color-light: #f5f5f5;
  --color-white: #fff;

  --font-heading: 'BebasNeue', 'Arial Narrow', sans-serif;
  --font-body: 'Gothic', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --header-height: 70px;
  --container-width: 1200px;
  --transition: 0.3s ease;
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  color: var(--color-gray-800);
  line-height: 1.6;
  background: var(--color-white);
  margin: 0;
}

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

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

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

.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin: 0 0 0.5em;
}

h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--color-dark);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

h3 {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
}

p {
  margin: 0 0 1em;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

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

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

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

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

/* ---------- Section Helpers ---------- */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray-400);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

.divider {
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  margin: 1rem auto;
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-dark);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-white);
  text-decoration: none;
}

.logo:hover {
  color: var(--color-white);
}

.logo-icon {
  height: 55px;
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-family: var(--font-heading);
  text-transform: uppercase;
  line-height: 1;
}

.logo-line1 {
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.logo-line2 {
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  color: var(--color-gray-400);
}

/* Navigation */
.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
}

.main-nav a {
  display: block;
  padding: 8px 16px;
  color: var(--color-gray-200);
  font-family: var(--font-body);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--transition);
}

.main-nav a:hover {
  color: var(--color-primary);
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition);
}

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

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

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

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-dark);
  overflow: hidden;
  margin-top: var(--header-height);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(204, 0, 0, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(0, 0, 0, 0.4) 0%, transparent 60%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url('../images/Asset-1-UC.png') center/cover no-repeat;
  opacity: 0.25;
}

.hero-content {
  position: relative;
  text-align: center;
  z-index: 1;
  padding: 2rem 0;
}

.hero-logo {
  max-width: 500px;
  margin: 0 auto 2rem;
  width: 80%;
}

.hero-tagline {
  color: var(--color-gray-200);
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   ABOUT
   ========================================================================== */
.about {
  padding: 5rem 0;
  background: var(--color-white);
}

.about-content {
  max-width: 800px;
  margin: 0 auto 3rem;
  text-align: center;
  font-size: 1.05rem;
  color: var(--color-gray-600);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.stat {
  text-align: center;
  padding: 2rem;
}

.stat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--color-gray-100);
  color: var(--color-primary);
  font-size: 1.8rem;
  margin-bottom: 1rem;
  transition: all var(--transition);
}

.stat:hover .stat-icon {
  background: var(--color-primary);
  color: var(--color-white);
}

.stat h3 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.stat p {
  color: var(--color-gray-600);
  font-size: 0.95rem;
}

/* ==========================================================================
   SERVICES
   ========================================================================== */
.services {
  padding: 5rem 0;
  background: var(--color-gray-100);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--color-white);
  padding: 2.5rem 2rem;
  border-bottom: 3px solid transparent;
  transition: all var(--transition);
}

.service-card:hover {
  border-bottom-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--color-dark);
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.service-card:hover .service-icon {
  background: var(--color-primary);
}

.service-card h3 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 1rem;
}

.service-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-card li {
  padding: 6px 0;
  color: var(--color-gray-600);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--color-gray-100);
}

.service-card li:last-child {
  border-bottom: none;
}

/* ==========================================================================
   PROJECTS
   ========================================================================== */
.projects {
  padding: 5rem 0;
  background: var(--color-white);
}

/* Filter Buttons */
.filter-buttons {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 24px;
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--color-gray-800);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

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

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 1;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.gallery-item.hidden {
  display: none;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(204, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

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

.gallery-overlay span {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   SERVICE AREA
   ========================================================================== */
.service-area {
  position: relative;
  padding: 5rem 0;
  background: var(--color-dark);
  color: var(--color-white);
  overflow: hidden;
}

.service-area-overlay {
  position: absolute;
  inset: 0;
  background: url('../images/Asset-1-UB.png') center/cover no-repeat;
  opacity: 0.3;
}

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

.service-area .section-label {
  color: var(--color-gray-400);
}

.service-area h2 {
  color: var(--color-white);
}

.service-area p {
  color: var(--color-gray-200);
  font-size: 1.05rem;
}

.service-locations {
  display: inline-block;
  margin-top: 1rem;
  padding: 1rem 2rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.service-locations .fa {
  color: var(--color-primary);
  margin-right: 0.5rem;
}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact {
  padding: 5rem 0;
  background: var(--color-gray-100);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.contact-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--color-white);
  transition: all var(--transition);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.contact-card .fa {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.contact-card h3 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.contact-card a {
  color: var(--color-gray-600);
  word-break: break-word;
}

.contact-card a:hover {
  color: var(--color-primary);
}

.contact-card p {
  color: var(--color-gray-600);
  margin: 0;
}

/* ==========================================================================
   MAP
   ========================================================================== */
.map-section {
  line-height: 0;
}

.map-section iframe {
  width: 100%;
  height: 400px;
  border: 0;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--color-darker);
  color: var(--color-gray-400);
  padding-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  padding-bottom: 3rem;
}

.footer-col h4 {
  font-family: var(--font-heading);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 1.2rem;
  margin-bottom: 1.2rem;
  position: relative;
  padding-bottom: 0.8rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-primary);
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  padding: 4px 0;
  font-size: 0.9rem;
}

.footer-col a {
  color: var(--color-gray-400);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--color-primary);
}

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.contact-list .fa {
  color: var(--color-primary);
  margin-top: 4px;
  min-width: 14px;
  text-align: center;
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 1.5rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-gray-800);
  color: var(--color-gray-400);
  font-size: 1rem;
  transition: all var(--transition);
}

.social-links a:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid var(--color-gray-800);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
}

.footer-bottom p {
  margin: 0;
}

/* ==========================================================================
   ANIMATIONS (scroll reveal)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* Tablet */
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-dark);
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }

  .main-nav.open {
    max-height: 400px;
    border-top: 1px solid var(--color-gray-800);
  }

  .main-nav ul {
    flex-direction: column;
    padding: 1rem 0;
    gap: 0;
  }

  .main-nav a {
    padding: 12px 24px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .hero {
    min-height: 70vh;
  }

  .hero-logo {
    max-width: 320px;
  }

  .about,
  .services,
  .projects,
  .service-area,
  .contact {
    padding: 3.5rem 0;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .stat {
    padding: 1.5rem;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Mobile */
@media (max-width: 480px) {
  .logo-line1 {
    font-size: 1.15rem;
  }

  .logo-line2 {
    font-size: 0.65rem;
  }

  .logo-icon {
    height: 40px;
  }

  .hero {
    min-height: 60vh;
  }

  .hero-logo {
    max-width: 250px;
  }

  .btn {
    padding: 12px 24px;
    font-size: 1rem;
    width: 100%;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
    padding: 0 1rem;
  }

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

  .gallery-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .map-section iframe {
    height: 280px;
  }
}