/* ============================================================
   COMPONENTS — Alves Collision LLC
   ============================================================ */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: color var(--transition-mid);
  border-radius: 0;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-101%);
  transition: transform var(--transition-btn);
  z-index: 0;
}
.btn > * { position: relative; z-index: 1; }
.btn > span { position: relative; z-index: 1; }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border: 2px solid var(--color-accent);
}
.btn-primary::before { background: var(--color-accent-light); }
.btn-primary:hover { color: #fff; }
.btn-primary:hover::before { transform: translateX(0); }

.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-accent);
}
.btn-outline::before { background: var(--color-accent); }
.btn-outline:hover { color: #fff; }
.btn-outline:hover::before { transform: translateX(0); }

.btn-nav-cta {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
  transform: translateY(-180%);
  opacity: 0;
  transition:
    transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.4s ease,
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
  will-change: transform, opacity;
}
.btn-nav-cta::before { background: var(--color-accent); }
.btn-nav-cta:hover { color: #fff; }
.btn-nav-cta:hover::before { transform: translateX(0); }
#nav.hero-passed .btn-nav-cta {
  transform: translateY(0);
  opacity: 1;
}

/* ── Nav ── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  padding: 1.25rem 0;
  transition: background 0.5s ease, box-shadow 0.5s ease, padding 0.3s ease, backdrop-filter 0.5s ease;
}
#nav.scrolled {
  padding: 0.75rem 0;
}
#nav.hero-passed {
  background: rgba(10, 10, 10, 0.96);
  box-shadow: var(--nav-shadow);
  padding: 0.75rem 0;
  backdrop-filter: blur(12px);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  overflow: hidden;
}
.nav-logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
  transform: translateY(-180%);
  opacity: 0;
  transition:
    transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.4s ease;
  pointer-events: none;
  will-change: transform, opacity;
}
#nav.hero-passed .nav-logo-img {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  margin: 0 auto;
}
.nav-link {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition-fast);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-mid);
}
.nav-link:hover { color: #fff; }
.nav-link:hover::after { width: 100%; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1002;
}
.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-text-muted);
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}
.nav-hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Nav Overlay ── */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg-primary);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.nav-overlay .nav-links {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin: 0;
}
.nav-overlay .nav-link {
  font-size: 1.5rem;
  letter-spacing: 0.2em;
}

/* ── Site Gate ── */
#site-gate {
  position: fixed;
  inset: 0;
  z-index: var(--z-gate);
  pointer-events: none;
}
.gate-panel {
  position: absolute;
  top: 0; bottom: 0;
  width: 50%;
  background: var(--color-bg-deep);
}
.gate-left  { left: 0; }
.gate-right { right: 0; }
.gate-content {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  pointer-events: none;
}
.gate-name {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 7vw, 6rem);
  font-weight: var(--fw-xblack);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  line-height: 1;
}
.gate-name span { color: var(--color-accent); }
.gate-stripe {
  height: 3px;
  background: var(--color-accent);
  width: 0;
}
.gate-tagline {
  font-family: var(--font-heading);
  font-size: clamp(0.85rem, 2vw, 1.2rem);
  font-weight: var(--fw-bold);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0;
}

/* ── Hero Section ── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding-bottom: clamp(4rem, 8vh, 8rem);
  background: var(--color-bg-primary);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transform-origin: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10,10,10,0.2) 0%,
    rgba(10,10,10,0.5) 40%,
    rgba(10,10,10,0.88) 80%,
    rgba(10,10,10,1) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}
.hero-eyebrow {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}
.hero-title {
  font-family: var(--font-heading);
  font-size: var(--size-hero-h1);
  font-weight: var(--fw-xblack);
  text-transform: uppercase;
  line-height: 0.92;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
}
.hero-title-line1 { display: block; overflow: hidden; }
.hero-title-line2 { display: block; overflow: hidden; color: var(--color-accent); }
.hero-body {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--color-text-muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}
.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

/* ── About / Stats ── */
.about {
  background: var(--color-bg-mid);
  padding: var(--section-pad) 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
}
.about-text p {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.stat-item {
  border: 1px solid var(--card-border);
  padding: 1.75rem 1.5rem;
  background: var(--card-bg);
  position: relative;
  overflow: hidden;
}
.stat-item::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out-expo);
}
.stat-item:hover::before { transform: scaleX(1); }
.stat-number {
  font-family: var(--font-heading);
  font-size: var(--size-stat-num);
  font-weight: var(--fw-xblack);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.stat-item.stat-plain .stat-number {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--color-text-primary);
}

/* ── Services / Tabs ── */
.services {
  background: var(--color-bg-primary);
  padding: var(--section-pad) 0;
}
.tabs-wrapper {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 3rem;
  margin-top: 3rem;
  align-items: start;
}
@media (max-width: 768px) {
  .tabs-wrapper { grid-template-columns: 1fr; }
}
.tabs-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.tab-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: transparent;
  border: 1px solid transparent;
  color: var(--color-text-muted);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  transition: all var(--transition-mid);
  cursor: pointer;
  width: 100%;
}
.tab-btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border);
}
.tab-btn.active {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: rgba(220,30,30,0.06);
}
.tab-letter {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: var(--fw-xblack);
  color: var(--color-accent);
  opacity: 0.4;
  min-width: 1.5rem;
  line-height: 1;
  transition: opacity var(--transition-mid);
}
.tab-btn.active .tab-letter,
.tab-btn:hover .tab-letter {
  opacity: 1;
}
.tabs-content {
  min-height: 200px;
}
.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}
.tab-panel h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: var(--fw-xblack);
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
  line-height: 1;
}
.tab-panel p {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 2rem;
}

/* ── Gallery ── */
.gallery {
  background: var(--color-bg-mid);
  padding: var(--section-pad) 0;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
}
.gallery-card {
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  background: #111;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.gallery-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
@media (max-width: 600px) {
  .gallery-card {
    aspect-ratio: 16/10;
    border-radius: 10px;
  }
  .gallery-card:hover {
    transform: none;
  }
}
.gallery-card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.gallery-card-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
  transition: transform 0.5s ease;
}
.gallery-card:hover .gallery-card-photo {
  transform: scale(1.05);
}
.gallery-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.18) 50%, transparent 100%);
  z-index: 1;
  transition: background 0.35s ease;
}
.gallery-card:hover .gallery-card-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.3) 60%, transparent 100%);
}
.gallery-card-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  z-index: 2;
  font-size: 2.5rem;
  opacity: 0.35;
  transition: opacity 0.3s ease;
}
.gallery-card:hover .gallery-card-icon { opacity: 0.6; }
.gallery-card-label {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 2;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  line-height: 1.2;
  transition: transform 0.35s ease;
}
.gallery-card:hover .gallery-card-label {
  transform: translateY(-2px);
}
.gallery-card-sub {
  position: absolute;
  bottom: 0.35rem;
  left: 1rem;
  right: 1rem;
  z-index: 2;
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.03em;
  transition: transform 0.35s ease;
}
.gallery-card:hover .gallery-card-sub {
  transform: translateY(-2px);
}

/* ── Contact ── */
.contact {
  background: var(--color-bg-primary);
  padding: var(--section-pad) 0;
}
.contact-headline {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: var(--fw-xblack);
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}
.contact-sub {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: 3rem;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}
.contact-info p {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 1.5rem;
  transition: color var(--transition-fast);
}
.social-link:hover { color: var(--color-accent); }

/* ── Contact Form ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
}
.form-label {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.form-input,
.form-textarea {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border-dim);
  color: var(--color-text-primary);
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border-radius: 0;
  transition: border-color var(--transition-mid);
  width: 100%;
}
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ── Footer ── */
footer {
  background: var(--color-bg-deep);
  padding: var(--section-pad) 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--color-border-dim);
}
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
}
.footer-brand p {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: 1rem;
  max-width: 300px;
}
.footer-logo {
  height: 42px;
  width: auto;
  object-fit: contain;
}
.footer-nav h4,
.footer-social h4 {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: 1.25rem;
}
.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-nav ul a {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
.footer-nav ul a:hover { color: var(--color-accent); }
.footer-social-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.5rem 0;
}
.footer-bottom p {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ── Responsive Nav ── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .btn-nav-cta { display: none; }
  .nav-hamburger { display: flex; }
}