/* ===== VARIABLES ===== */
:root {
  --color-primary: #8b1a1a;
  --color-primary-dark: #6b1212;
  --color-primary-light: #a52020;
  --color-black: #0f0f0f;
  --color-dark: #1a1a1a;
  --color-gray-dark: #2d2d2d;
  --color-gray: #555555;
  --color-gray-mid: #888888;
  --color-gray-light: #d4d4d4;
  --color-off-white: #f5f5f5;
  --color-white: #ffffff;
  --font-main: 'Montserrat', sans-serif;
  --transition: 0.3s ease;
  --shadow: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.2);
  --border-radius: 6px;
  --max-width: 1200px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--color-dark);
  background: var(--color-white);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ===== UTILITY ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-black);
  margin-bottom: 16px;
}
.section-title span { color: var(--color-primary); }
.section-subtitle {
  font-size: 1rem;
  color: var(--color-gray);
  max-width: 640px;
  line-height: 1.7;
}
.section-subtitle.centered { margin: 0 auto; text-align: center; }
.text-center { text-align: center; }
section { padding: 88px 0; }
.divider {
  width: 48px; height: 4px;
  background: var(--color-primary);
  margin-bottom: 24px;
}
.divider.centered { margin: 0 auto 24px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: var(--border-radius);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.7);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--color-black);
  color: var(--color-white);
}
.btn-dark:hover {
  background: var(--color-gray-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn svg { flex-shrink: 0; }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}
#navbar.scrolled {
  background: var(--color-black);
  box-shadow: 0 2px 16px rgba(0,0,0,0.4);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
#navbar.scrolled .nav-logo-title { color: var(--color-white); }
#navbar.scrolled .nav-logo-sub { color: var(--color-gray-light); }
#navbar.scrolled .nav-links a { color: rgba(255,255,255,0.85); }
#navbar.scrolled .nav-links a:hover { color: var(--color-white); background: rgba(255,255,255,0.08); }
#navbar.scrolled .hamburger span { background: var(--color-white); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo-mark {
  width: 44px; height: 44px;
  background: var(--color-primary);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.nav-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav-logo-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-black);
  letter-spacing: 0.04em;
}
.nav-logo-sub {
  font-size: 0.62rem;
  font-weight: 600;
  color: #555555;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  color: #333333;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 12px;
  border-radius: 4px;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--color-primary); background: rgba(139,26,26,0.06); }
.nav-cta {
  margin-left: 12px;
  padding: 10px 20px;
  font-size: 0.82rem;
  border-radius: 8px;
  line-height: 1.2;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--color-black);
  padding: 16px 24px 24px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: var(--transition);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--color-primary); }
.mobile-menu .btn { margin-top: 16px; width: 100%; justify-content: center; }

/* ===== HERO ===== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-black);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(10,10,10,0.88) 0%, rgba(139,26,26,0.35) 50%, rgba(10,10,10,0.92) 100%),
    url('images/caol_landing_images/hero/hero-collage-obras-02.jpg') center/cover no-repeat;
}
.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 80px,
      rgba(255,255,255,0.015) 80px,
      rgba(255,255,255,0.015) 81px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 80px,
      rgba(255,255,255,0.015) 80px,
      rgba(255,255,255,0.015) 81px
    );
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 140px 24px 100px;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 20px;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px; height: 2px;
  background: var(--color-primary);
}
.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  font-weight: 900;
  line-height: 1.08;
  color: var(--color-white);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.hero-title .accent { color: var(--color-primary-light); }
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
  max-width: 600px;
  line-height: 1.5;
}
.hero-text {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.55);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}
.hero-stat {}
.hero-stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: -0.02em;
}
.hero-stat-num span { color: var(--color-primary-light); }
.hero-stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ===== TRUST BAR ===== */
#trust {
  background: var(--color-off-white);
  padding: 60px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
}
.trust-card {
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: 28px 20px;
  text-align: center;
  border-top: 3px solid var(--color-primary);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.trust-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.trust-icon {
  width: 48px; height: 48px;
  margin: 0 auto 14px;
  background: rgba(139,26,26,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.trust-card-num {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 6px;
}
.trust-card-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ===== ABOUT ===== */
#about {
  background: var(--color-white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  position: relative;
}
.about-img-main {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-hover);
}
.about-img-placeholder {
  width: 100%;
  height: 480px;
  background: linear-gradient(135deg, var(--color-gray-dark) 0%, var(--color-black) 100%);
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  gap: 12px;
  box-shadow: var(--shadow-hover);
  overflow: hidden;
  position: relative;
}
.about-img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 20px,
      rgba(255,255,255,0.02) 20px,
      rgba(255,255,255,0.02) 21px
    );
}
.about-img-placeholder svg { opacity: 0.3; z-index: 1; }
.about-img-placeholder span { z-index: 1; }
.about-badge {
  position: absolute;
  bottom: -20px; right: -20px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--border-radius);
  padding: 20px 24px;
  text-align: center;
  box-shadow: var(--shadow-hover);
}
.about-badge-num {
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
  display: block;
}
.about-badge-text {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.9;
}
.about-list { margin-top: 24px; }
.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.9rem;
  color: var(--color-gray);
  border-bottom: 1px solid var(--color-off-white);
}
.about-list li:last-child { border-bottom: none; }
.about-list li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 7px;
}

/* ===== SERVICES ===== */
#services {
  background: var(--color-off-white);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.service-card {
  background: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.service-card-header {
  background: var(--color-black);
  padding: 28px 28px 24px;
  position: relative;
  overflow: hidden;
}
.service-card-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--color-primary);
}
.service-icon {
  width: 52px; height: 52px;
  background: rgba(139,26,26,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-primary-light);
}
.service-card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.3;
}
.service-card-body {
  padding: 24px 28px;
  flex: 1;
}
.service-card-img-wrap {
  height: 200px;
  overflow: hidden;
  flex-shrink: 0;
}
.service-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}
.service-card:hover .service-card-img { transform: scale(1.05); }
.service-card-body ul { display: flex; flex-direction: column; gap: 8px; }
.service-card-body li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.87rem;
  color: var(--color-gray);
  line-height: 1.4;
}
.service-card-body li::before {
  content: '▸';
  color: var(--color-primary);
  font-size: 0.7rem;
  flex-shrink: 0;
  margin-top: 3px;
}

/* ===== PROJECTS ===== */
#projects {
  background: var(--color-dark);
}
#projects .section-title { color: var(--color-white); }
#projects .section-subtitle { color: rgba(255,255,255,0.55); }
#projects .divider { background: var(--color-primary); }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.project-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
}
.project-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: var(--color-primary);
  transform: translateY(-4px);
}
.project-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.project-img-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, rgba(139,26,26,0.15) 0%, rgba(10,10,10,0.8) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.2);
  position: relative;
  overflow: hidden;
}
.project-img-placeholder svg { opacity: 0.25; }
.project-card-body { padding: 24px; }
.project-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 8px;
}
.project-name {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 10px;
  line-height: 1.3;
}
.project-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

/* ===== CLIENTS ===== */
#clients {
  background: var(--color-white);
}
.clients-intro { max-width: 700px; margin: 0 auto 56px; text-align: center; }
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.client-chip {
  background: var(--color-off-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  padding: 16px 20px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-dark);
  text-align: center;
  line-height: 1.3;
  transition: var(--transition);
}
.client-chip:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* ===== TIMELINE ===== */
#timeline {
  background: var(--color-off-white);
}
.timeline-wrap { margin-top: 56px; position: relative; }
.timeline-wrap::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--color-gray-light);
  transform: translateX(-50%);
}
.timeline-item {
  display: flex;
  gap: 40px;
  margin-bottom: 40px;
  position: relative;
}
.timeline-item:nth-child(odd) { flex-direction: row-reverse; }
.timeline-item:nth-child(odd) .timeline-content { text-align: right; }
.timeline-side { flex: 1; }
.timeline-dot-wrap {
  width: 40px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-shrink: 0;
  padding-top: 4px;
}
.timeline-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-off-white);
  box-shadow: 0 0 0 2px var(--color-primary);
  flex-shrink: 0;
}
.timeline-year {
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.timeline-content {
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
  border-left: 3px solid var(--color-primary);
}
.timeline-item:nth-child(odd) .timeline-content {
  border-left: none;
  border-right: 3px solid var(--color-primary);
}
.timeline-content p {
  font-size: 0.88rem;
  color: var(--color-gray);
  line-height: 1.6;
}

/* ===== TEAM ===== */
#team {
  background: var(--color-black);
}
#team .section-title { color: var(--color-white); }
#team .section-subtitle { color: rgba(255,255,255,0.55); }
#team .divider { background: var(--color-primary); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.team-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}
.team-card:hover {
  background: rgba(139,26,26,0.12);
  border-color: var(--color-primary);
  transform: translateY(-4px);
}
.team-icon {
  width: 56px; height: 56px;
  background: rgba(139,26,26,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--color-primary-light);
}
.team-role {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: 0.04em;
  line-height: 1.3;
}
.team-area {
  font-size: 0.73rem;
  color: rgba(255,255,255,0.4);
  margin-top: 6px;
  line-height: 1.4;
}

/* ===== DIFFERENTIATORS ===== */
#differentiators {
  background: var(--color-white);
}
.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.diff-card {
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.diff-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--color-primary);
}
.diff-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.diff-icon {
  width: 48px; height: 48px;
  background: rgba(139,26,26,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--color-primary);
}
.diff-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 10px;
}
.diff-text { font-size: 0.87rem; color: var(--color-gray); line-height: 1.6; }

/* ===== CTA SECTION ===== */
#cta-mid {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #c0392b 100%);
  padding: 88px 0;
}
.cta-mid-inner { text-align: center; }
.cta-mid-inner .section-title { color: var(--color-white); font-size: clamp(1.5rem, 3vw, 2.2rem); }
.cta-mid-inner .section-subtitle { color: rgba(255,255,255,0.75); }
.cta-mid-inner .btn-outline {
  border: 2px solid rgba(255,255,255,0.5);
  margin-top: 32px;
  font-size: 1rem;
  padding: 16px 36px;
}
.cta-mid-inner .btn-outline:hover { background: rgba(255,255,255,0.15); border-color: white; }

/* ===== GALLERY ===== */
#gallery {
  background: var(--color-off-white);
}
.gallery-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  justify-content: center;
}
.gallery-tab {
  padding: 8px 18px;
  border-radius: 100px;
  border: 2px solid var(--color-gray-light);
  background: var(--color-white);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
  color: var(--color-gray);
  font-family: var(--font-main);
}
.gallery-tab:hover,
.gallery-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.gallery-item {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-gray-dark);
  cursor: pointer;
  transition: var(--transition);
}
.gallery-item:hover { transform: scale(1.02); box-shadow: var(--shadow-hover); }
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-placeholder {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: rgba(255,255,255,0.25);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
}
.gallery-placeholder svg { opacity: 0.25; }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 16px;
  opacity: 0;
  transition: var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.04em;
}

/* ===== CONTACT ===== */
#contact {
  background: var(--color-white);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.contact-info-block { display: flex; flex-direction: column; gap: 24px; margin-top: 32px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-item-icon {
  width: 48px; height: 48px;
  background: rgba(139,26,26,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.contact-item-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-mid);
  margin-bottom: 4px;
}
.contact-item-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.4;
}
.contact-cta-block {
  background: var(--color-black);
  border-radius: var(--border-radius);
  padding: 48px 40px;
  text-align: center;
}
.contact-cta-block .section-tag { color: var(--color-primary-light); }
.contact-cta-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 12px;
}
.contact-cta-text {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
  margin-bottom: 32px;
}
.contact-wa-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25d366;
  color: white;
  padding: 16px 32px;
  border-radius: var(--border-radius);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.02em;
  transition: var(--transition);
  width: 100%;
  justify-content: center;
}
.contact-wa-btn:hover {
  background: #1ebe57;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.35);
}
.contact-coverage {
  margin-top: 20px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  line-height: 1.5;
}

/* ===== FOOTER ===== */
#footer {
  background: var(--color-black);
  padding: 56px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 8px;
}
.footer-brand-sub {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.6;
  max-width: 280px;
}
.footer-wa-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  background: #25d366;
  color: white;
  padding: 10px 18px;
  border-radius: var(--border-radius);
  font-size: 0.82rem;
  font-weight: 700;
  transition: var(--transition);
}
.footer-wa-link:hover { background: #1ebe57; }
.footer-col-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--color-primary-light); }
.footer-services { display: flex; flex-direction: column; gap: 8px; }
.footer-services span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.4;
}
.footer-bottom {
  padding-top: 28px;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
}
.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
  line-height: 1.6;
}
.footer-notice {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.2);
  max-width: 520px;
  text-align: right;
  line-height: 1.5;
}

/* ===== FLOATING WA BUTTON ===== */
.wa-float {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 10px;
}
.wa-float-btn {
  width: 60px; height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  transition: var(--transition);
  animation: wa-pulse 2.5s ease-in-out infinite;
}
.wa-float-btn:hover {
  background: #1ebe57;
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.6);
  animation: none;
}
.wa-float-btn svg { color: white; }
.wa-float-label {
  background: var(--color-black);
  color: var(--color-white);
  padding: 8px 14px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition);
  pointer-events: none;
}
.wa-float:hover .wa-float-label {
  opacity: 1;
  transform: translateX(0);
}
@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.45); }
  50% { box-shadow: 0 4px 32px rgba(37,211,102,0.7), 0 0 0 10px rgba(37,211,102,0.08); }
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-badge { bottom: -12px; right: -12px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-content { padding: 120px 24px 80px; }
  .hero-stats { gap: 24px; }
  .timeline-wrap::before { left: 20px; }
  .timeline-item { flex-direction: column !important; gap: 0; padding-left: 52px; }
  .timeline-item .timeline-side { order: 1; }
  .timeline-dot-wrap {
    position: absolute;
    left: 0;
    top: 4px;
    width: auto;
  }
  .timeline-content { text-align: left !important; border-left: 3px solid var(--color-primary) !important; border-right: none !important; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; }
  .footer-notice { text-align: left; }
  .wa-float-label { display: none; }
  .about-img-placeholder, .about-img-main { height: 320px; }
  .about-badge { bottom: -10px; right: 10px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .diff-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
}