/* ===================================================
   AB Costruzioni Group – Main Stylesheet
   Mobile-First, Modern & Premium Design
   =================================================== */

/* ---- CSS Custom Properties ---- */
:root {
  /* Colors */
  --red: #c8102e;
  --red-dark: #a00d24;
  --red-light: #e8213d;
  --dark: #1a1a1a;
  --dark-2: #242424;
  --dark-3: #2e2e2e;
  --dark-4: #3a3a3a;
  --gray: #666;
  --gray-light: #a0a0a0;
  --gray-border: #e0e0e0;
  --white: #ffffff;
  --off-white: #f8f8f8;
  --section-bg: #f4f4f4;
  --section-dark: #1e1e1e;

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Effects */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
  --shadow-xl: 0 16px 60px rgba(0,0,0,0.22);
  --shadow-red: 0 4px 20px rgba(200, 16, 46, 0.35);

  /* Transitions */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --header-height: 72px;
  --container-max: 1280px;
  --section-py: clamp(60px, 8vw, 100px);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: var(--text-base);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: inherit;
}

address {
  font-style: normal;
}

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

@media (min-width: 640px) {
  .container { padding: 0 var(--space-8); }
}
@media (min-width: 1024px) {
  .container { padding: 0 var(--space-12); }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  min-height: 44px;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--red-dark);
  border-color: var(--red-dark);
  box-shadow: var(--shadow-red);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover,
.btn-outline:focus-visible {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-outline.dark {
  color: var(--dark);
  border-color: var(--gray-border);
}
.btn-outline.dark:hover {
  border-color: var(--red);
  color: var(--red);
  background: rgba(200, 16, 46, 0.04);
}

.btn-lg {
  padding: 16px 32px;
  font-size: var(--text-base);
  min-height: 52px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: var(--text-xs);
  min-height: 36px;
}

/* ---- Section Styles ---- */
.section {
  padding: var(--section-py) 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-12);
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(200, 16, 46, 0.1);
  color: var(--red);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--dark);
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--text-lg);
  color: var(--gray);
  line-height: 1.7;
}

/* ---- Animations / Reveal ---- */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
  opacity: 1;
  transform: none;
}

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

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-4);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  text-decoration: none;
}

.logo-img {
  height: 65px;
  width: 65px;
  display: block;
}

.logo-mark {
  width: 44px;
  height: 44px;
  background: var(--red);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}

.nav-logo:hover .logo-mark {
  transform: scale(1.05);
  background: var(--red-dark);
}

.logo-letters {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.02em;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
  transition: color var(--transition);
}

.logo-sub {
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  transition: color var(--transition);
}

.site-header.scrolled .logo-name { color: var(--dark); }
.site-header.scrolled .logo-sub { color: var(--gray-light); }

/* Desktop Nav Links */
.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

@media (min-width: 900px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  padding: 8px 16px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 16px;
  height: 2px;
  background: var(--red);
  border-radius: var(--radius-full);
  transition: transform var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.nav-link:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.site-header.scrolled .nav-link {
  color: var(--dark);
}
.site-header.scrolled .nav-link:hover {
  color: var(--red);
  background: rgba(200,16,46,0.06);
}

/* Nav Controls */
.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-cta {
  display: none;
}

@media (min-width: 900px) {
  .nav-cta {
    display: inline-flex;
  }
}

/* Lang Selector */
.lang-selector {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 12px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 36px;
  letter-spacing: 0.05em;
}

.lang-btn:hover {
  background: rgba(255,255,255,0.18);
  color: var(--white);
}

.lang-arrow {
  font-size: 0.6rem;
  transition: transform var(--transition-fast);
}

.lang-selector.open .lang-arrow {
  transform: rotate(180deg);
}

.site-header.scrolled .lang-btn {
  color: var(--dark);
  border-color: var(--gray-border);
  background: transparent;
}
.site-header.scrolled .lang-btn:hover {
  background: var(--off-white);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 160px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px) scale(0.96);
  transform-origin: top right;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 100;
  border: 1px solid var(--gray-border);
}

.lang-selector.open .lang-dropdown {
  opacity: 1;
  pointer-events: all;
  transform: none;
}

.lang-dropdown li { display: block; }

.lang-option {
  display: block;
  width: 100%;
  padding: 12px 16px;
  text-align: left;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--dark);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.lang-option:hover {
  background: var(--off-white);
}

.lang-option.active {
  color: var(--red);
  font-weight: 600;
  background: rgba(200,16,46,0.05);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

@media (min-width: 900px) {
  .hamburger { display: none; }
}

.hamburger-line {
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: var(--radius-full);
  transition: all var(--transition);
  transform-origin: center;
  display: block;
}

.site-header.scrolled .hamburger-line { background: var(--dark); }

.hamburger.open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.mobile-nav-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-8);
  width: 100%;
}

.mobile-nav-link {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--white);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-fast);
  letter-spacing: -0.02em;
  display: block;
  width: 100%;
  max-width: 320px;
}

.mobile-nav-link:hover {
  color: var(--red);
  background: rgba(255,255,255,0.06);
}

.mobile-nav-cta {
  margin-top: var(--space-4);
  max-width: 260px;
  width: 100%;
  text-align: center;
}

.mobile-lang-list {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--space-4);
}

.mobile-lang-list .lang-option {
  padding: 10px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.75);
  font-size: var(--text-sm);
  font-weight: 500;
  background: rgba(255,255,255,0.05);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-lang-list .lang-option:hover,
.mobile-lang-list .lang-option.active {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}

/* ===================================================
   HERO SECTION
   =================================================== */
.hero-section {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(135deg, #0a0a0a 0%, #1a0408 30%, #0d0d0d 60%, #1a0a0a 100%);
  z-index: 0;
}

/* Geometric pattern background */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 40px,
      rgba(200, 16, 46, 0.03) 40px,
      rgba(200, 16, 46, 0.03) 41px
    ),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 40px,
      rgba(255,255,255,0.015) 40px,
      rgba(255,255,255,0.015) 41px
    );
}

/* Red accent glow */
.hero-bg::after {
  content: '';
  position: absolute;
  width: 60%;
  height: 60%;
  top: 10%;
  right: -10%;
  background: radial-gradient(ellipse at center, rgba(200, 16, 46, 0.18) 0%, transparent 65%);
  border-radius: 50%;
  filter: blur(40px);
  animation: heroGlow 6s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  from { opacity: 0.6; transform: scale(1) translateY(0); }
  to { opacity: 1; transform: scale(1.08) translateY(-20px); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.05) 0%,
    rgba(0,0,0,0) 40%,
    rgba(0,0,0,0.3) 100%
  );
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: var(--space-12);
  padding-bottom: var(--space-16);
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 16px;
  background: rgba(200, 16, 46, 0.2);
  border: 1px solid rgba(200, 16, 46, 0.4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: #ff6b7a;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: clamp(2rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: var(--space-6);
}

.hero-title span {
  color: var(--red);
}

.hero-subtitle {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: rgba(255,255,255,0.7);
  line-height: 1.65;
  max-width: 620px;
  margin-bottom: var(--space-10);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  font-weight: 500;
}

.hero-stat i {
  color: var(--red);
  font-size: var(--text-base);
}

.hero-stat-divider {
  width: 1px;
  height: 20px;
  background: rgba(255,255,255,0.15);
}

@media (max-width: 480px) {
  .hero-stat-divider { display: none; }
  .hero-stats { gap: var(--space-4); }
  .hero-stat { font-size: var(--text-xs); }
}

/* Scroll Indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 28px;
  height: 44px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-full);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 6px;
}

.scroll-dot {
  width: 4px;
  height: 8px;
  background: var(--white);
  border-radius: var(--radius-full);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(12px); opacity: 0.3; }
}

/* ===================================================
   SERVICES SECTION
   =================================================== */
.services-section {
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 480px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(5, 1fr); gap: var(--space-4); }
}

.service-card {
  background: var(--off-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-5);
  text-align: center;
  transition: all var(--transition);
  border: 1px solid transparent;
  cursor: default;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: rgba(200, 16, 46, 0.1);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--red);
  box-shadow: var(--shadow-red);
  transform: scale(1.08);
}

.service-icon i {
  font-size: 1.5rem;
  color: var(--red);
  transition: color var(--transition);
}

.service-card:hover .service-icon i {
  color: var(--white);
}

.service-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.service-desc {
  font-size: var(--text-xs);
  color: var(--gray);
  line-height: 1.6;
}

/* ===================================================
   WHY SECTION
   =================================================== */
.why-section {
  background: var(--section-dark);
  color: var(--white);
}

.why-section .section-title {
  color: var(--white);
}

.why-section .section-desc {
  color: rgba(255,255,255,0.65);
}

.why-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 900px) {
  .why-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.why-content .section-tag {
  background: rgba(200,16,46,0.2);
  color: #ff6b7a;
}

.why-content .section-title {
  color: var(--white);
  text-align: left;
}

.why-content .section-desc {
  text-align: left;
  margin-bottom: var(--space-8);
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.why-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.why-icon {
  width: 44px;
  height: 44px;
  background: rgba(200,16,46,0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.why-icon i {
  font-size: 1rem;
  color: var(--red-light);
}

.why-text h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-1);
}

.why-text p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  line-height: 1.65;
}

/* Why Visual */
.why-visual {
  position: relative;
}

.why-image-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.why-img-main {
  grid-column: 1;
  grid-row: 1 / 3;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 3/4;
}

.why-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.why-img-main:hover img { transform: scale(1.04); }

.why-img-side {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.why-img-side img {
  width: 100%;
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.why-badge-floating {
  position: absolute;
  bottom: -16px;
  left: -16px;
  background: var(--red);
  color: var(--white);
  padding: 14px 20px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
  box-shadow: var(--shadow-red);
  z-index: 2;
  white-space: nowrap;
}

.why-badge-floating i {
  font-size: 1.2rem;
}

.why-content .btn-primary {
  align-self: flex-start;
}

/* ===================================================
   GALLERY SECTION
   =================================================== */
.gallery-section {
  background: var(--section-bg);
}

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-10);
}

.filter-btn {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray);
  background: var(--white);
  border: 2px solid var(--gray-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
}

.filter-btn:hover {
  border-color: var(--red);
  color: var(--red);
}

.filter-btn.active {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
  box-shadow: var(--shadow-red);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 480px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

.gallery-item {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--dark-3);
  transition: all var(--transition);
  cursor: pointer;
}

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

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.gallery-img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

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

.gallery-item:hover .gallery-img-wrap img {
  transform: scale(1.06);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: var(--space-5);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.gallery-info h3 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 2px;
}

.gallery-info p {
  font-size: var(--text-xs);
  color: var(--red-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.gallery-zoom {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  color: var(--white);
  font-size: var(--text-sm);
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}

.gallery-zoom:hover {
  background: var(--red);
}

/* ===================================================
   CONTACT SECTION
   =================================================== */
.contact-section {
  background: var(--white);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

@media (min-width: 900px) {
  .contact-inner {
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-12);
    align-items: start;
  }
}

/* Contact Info */
.contact-info {
  background: var(--section-dark);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  color: var(--white);
}

.contact-info-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.contact-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  margin-bottom: var(--space-6);
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(200,16,46,0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon i {
  font-size: 1rem;
  color: var(--red-light);
}

.contact-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.contact-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--gray-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  transition: color var(--transition-fast);
  display: block;
}

.contact-link:hover { color: var(--red-light); }

.contact-address {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
  line-height: 1.65;
}

.contact-hours {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
  line-height: 1.65;
}

.contact-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.contact-action-btn {
  flex: 1;
  min-width: 130px;
  justify-content: center;
}

.contact-info .btn-outline {
  border-color: rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.8);
}
.contact-info .btn-outline:hover {
  border-color: var(--white);
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--off-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--gray-border);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 480px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--gray-border);
  border-radius: var(--radius-lg);
  font-family: var(--font);
  font-size: var(--text-sm);
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23666'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 20px;
  padding-right: 40px;
  cursor: pointer;
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.12);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #e53e3e;
}

.form-error {
  font-size: var(--text-xs);
  color: #e53e3e;
  font-weight: 500;
  min-height: 1em;
}

.form-submit {
  width: 100%;
  justify-content: center;
  font-size: var(--text-base);
}

.form-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

/* Form Success */
.form-success {
  text-align: center;
  padding: var(--space-12) var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.form-success[hidden] { display: none; }

.success-icon {
  width: 72px;
  height: 72px;
  background: rgba(72, 187, 120, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}

.success-icon i {
  font-size: 2rem;
  color: #48bb78;
}

.form-success h3 {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--dark);
}

.form-success p {
  font-size: var(--text-base);
  color: var(--gray);
  max-width: 320px;
}

.form-success .btn-outline {
  color: var(--dark);
  border-color: var(--gray-border);
  margin-top: var(--space-2);
}

/* ===================================================
   FOOTER
   =================================================== */
.site-footer {
  background: var(--dark);
  color: var(--white);
  padding: var(--space-16) 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .footer-inner { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .footer-inner { grid-template-columns: 2fr 1fr 2fr; }
}

.footer-logo .logo-name { color: var(--white); }
.footer-logo .logo-sub { color: rgba(255,255,255,0.4); }

.footer-tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  margin-top: var(--space-4);
  line-height: 1.65;
  max-width: 260px;
}

.footer-links h4,
.footer-contacts h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-5);
}

.footer-links ul,
.footer-contacts ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a,
.footer-contacts a,
.footer-contacts address {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-style: normal;
}

.footer-links a:hover,
.footer-contacts a:hover {
  color: var(--red-light);
}

.footer-contacts i {
  color: var(--red);
  width: 14px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-6) 0;
  text-align: center;
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
}

/* ===================================================
   LIGHTBOX
   =================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.lightbox[hidden] { display: none; }

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.94);
  backdrop-filter: blur(12px);
  cursor: pointer;
}

.lightbox-content {
  position: relative;
  z-index: 2;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-figure {
  text-align: center;
}

.lightbox-figure img {
  max-width: 90vw;
  max-height: 80vh;
  border-radius: var(--radius-xl);
  object-fit: contain;
  box-shadow: var(--shadow-xl);
}

.lightbox-figure figcaption {
  margin-top: var(--space-3);
  color: rgba(255,255,255,0.7);
  font-size: var(--text-sm);
  font-weight: 500;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
  z-index: 3;
}

.lightbox-close {
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  font-size: 1.1rem;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  font-size: 1.1rem;
}

.lightbox-prev { left: -60px; }
.lightbox-next { right: -60px; }

@media (max-width: 640px) {
  .lightbox-prev { left: 0; }
  .lightbox-next { right: 0; }
  .lightbox-close { top: -52px; right: 0; }
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--red);
  border-color: var(--red);
}

/* ===================================================
   BACK TO TOP
   =================================================== */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 48px;
  height: 48px;
  background: var(--red);
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  box-shadow: var(--shadow-red);
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  transition: all var(--transition);
  z-index: 500;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  transform: none;
}

.back-to-top:hover {
  background: var(--red-dark);
  transform: translateY(-3px);
}

/* ===================================================
   UTILITIES
   =================================================== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 3px;
  border-radius: var(--radius);
}

/* Prevent layout shift from scrollbar */
html {
  scrollbar-gutter: stable;
}

/* Mobile swipe gallery hint */
@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
}

/* Print styles */
@media print {
  .site-header, .back-to-top, .hero-scroll-indicator { display: none; }
  .hero-section { min-height: auto; padding: 40px 0; }
}