/* ═══════════════════════════════════════════════════════════
   Dexmarine — Layout
   ═══════════════════════════════════════════════════════════ */

/* ─── Container ──────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
}

/* ─── NAV ────────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0.75rem 0;
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#nav:not(.scrolled) {
  background: rgba(10, 25, 41, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

#nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

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

.nav-logo-img {
  height: 44px;
  display: block;
  transition: filter 0.3s ease;
}

/* Dark nav: invert PNG logo, show animated GIF as-is */
#nav:not(.scrolled) .nav-logo-img:not(.nav-logo-animated) {
  filter: brightness(0) invert(1);
}

#nav.scrolled .nav-logo-img:not(.nav-logo-animated) {
  filter: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: var(--fw-medium);
  transition: color 0.3s ease;
  position: relative;
}

#nav:not(.scrolled) .nav-links a {
  color: rgba(255, 255, 255, 0.85);
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--color-accent);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

#nav:not(.scrolled) .hamburger span {
  background: rgba(255, 255, 255, 0.85);
}

#nav.scrolled .hamburger span {
  background: var(--color-text);
}

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 25, 41, 0.88) 0%, rgba(15, 30, 50, 0.82) 100%);
  z-index: 1;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  padding: 8rem 0 4rem;
  max-width: 800px;
}

.hero-eyebrow {
  color: #4A90D9;
  font-size: 1rem;
  font-weight: var(--fw-semi);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(3.5rem, 9vw, 9rem);
  font-weight: var(--fw-black);
  color: var(--color-white);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.hero-title-line1,
.hero-title-line2 {
  display: block;
}

.hero-sub {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  max-width: 600px;
  margin: 1.5rem 0;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ─── SECTIONS ────────────────────────────────────────────── */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

/* ─── ABOUT ──────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.services-section,
.gallery-section,
.reviews-section,
.contact-section {
  background: var(--color-bg-mid);
}

/* ─── SERVICES / TABS ────────────────────────────────────── */
.tabs-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.tabs-nav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0;
}

/* ─── GALLERY ────────────────────────────────────────────── */
.gallery-track-wrap {
  overflow: hidden;
  width: 100%;
}

.gallery-track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gallery-card {
  flex: 0 0 calc(33.333% - 1rem);
  min-width: 280px;
}

.gallery-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

/* ─── TESTIMONIALS ───────────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* ─── CONTACT ────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

/* ─── FOOTER ─────────────────────────────────────────────── */
footer {
  background: var(--color-bg-deep);
  padding: 4rem 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  margin-top: 3rem;
  padding: 1.5rem 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ─── TRUST BAR ──────────────────────────────────────────── */
.trust-bar {
  padding: 1.5rem 0;
  background: var(--color-bg-mid);
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: var(--fw-medium);
}

.trust-divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
}

/* ─── MOBILE OVERLAY ─────────────────────────────────────── */
.mobile-overlay-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-overlay-backdrop.active {
  display: block;
  opacity: 1;
}

.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  height: 100vh;
  background: var(--color-bg);
  z-index: 1001;
  padding: 2rem;
  transform: translateX(100%);
  transition: transform 0.35s ease;
}

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

.mobile-overlay a {
  display: block;
  padding: 0.75rem 0;
  color: var(--color-text);
  text-decoration: none;
  font-size: 1.125rem;
  border-bottom: 1px solid var(--color-border);
}

.mobile-overlay-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 992px) {
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .gallery-card { flex: 0 0 calc(50% - 0.75rem); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-overlay { display: block; }
  .mobile-overlay-backdrop { display: block; }
  .hero { min-height: 90vh; }
  .section { padding: 4rem 0; }
  .trust-bar-inner { gap: 1rem; }
  .trust-divider { display: none; }
  .tabs-nav { flex-direction: column; gap: 0; }
  .gallery-card { flex: 0 0 100%; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom-inner { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .contact-details { gap: 1rem; }
}