/* ============================================================
   GALLERY SECTION — style.css
   Matches Skyline Air Travels Webflow site design system
   CSS variables mirror the site's :root tokens
   ============================================================ */

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

:root {
  --blue:          #146ef5;
  --blue-dark:     #0f52c4;
  --blue-glow:     rgba(20, 110, 245, 0.25);
  --black:         #000000;
  --eerie:         #1e1e1e;
  --eerie-700:     rgba(30, 30, 30, 0.70);
  --eerie-400:     rgba(30, 30, 30, 0.40);
  --white:         #ffffff;
  --smoke:         #f7f7f7;
  --yellow:        #d4ff00;
  --radius-sm:     8px;
  --radius-md:     10px;
  --radius-lg:     100px;
  --sp-xs:         8px;
  --sp-sm:         12px;
  --sp-md:         18px;
  --sp-lg:         24px;
  --sp-xl:         32px;
  --sp-xxl:        40px;
  --sp-xxxl:       64px;
  --sp-xxxxl:      80px;
  --font:          'Goli', Arial, sans-serif;
  --ease-out:      cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Section shell ─────────────────────────────────────── */
.gal-section {
  position: relative;
  /* background-color: var(--smoke); */
  padding: var(--sp-xxxxl) 0;
  overflow: hidden;
  font-family: var(--font);
}

/* ── Floating background orbs ──────────────────────────── */
.gal-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(90px);
  opacity: 0.45;
  animation: orbFloat 12s ease-in-out infinite alternate;
}
.gal-orb--1 {
  width: 480px; height: 480px;
  background: var(--blue-glow);
  top: -120px; left: -160px;
  animation-delay: 0s;
}
.gal-orb--2 {
  width: 320px; height: 320px;
  background: rgba(212, 255, 0, 0.12);
  top: 30%; right: -80px;
  animation-delay: -4s;
}
.gal-orb--3 {
  width: 260px; height: 260px;
  background: rgba(20, 110, 245, 0.15);
  bottom: -60px; left: 40%;
  animation-delay: -8s;
}
@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 40px) scale(1.08); }
}

/* ── Container ─────────────────────────────────────────── */
.gal-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Section Header ────────────────────────────────────── */
.gal-header {
  text-align: center;
  margin-bottom: var(--sp-xxxl);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.gal-header.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.gal-header__eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-md);
}
.gal-header__line {
  display: block;
  width: 48px;
  height: 1px;
  background: var(--blue);
  opacity: 0.5;
}
.gal-header__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  /* color: var(--blue); */
}

.gal-header__title {
  font-size: clamp(36px, 5vw, 70px);
  font-weight: 500;
  color: var(--eerie);
  letter-spacing: -1.4px;
  line-height: 1.1;
  margin-bottom: var(--sp-md);
}
.gal-header__accent {
  color: var(--blue);
  position: relative;
  display: inline-block;
}
.gal-header__accent::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 3px;
  /* background: var(--yellow); */
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s 0.5s var(--ease-out);
}
.gal-header.is-visible .gal-header__accent::after {
  transform: scaleX(1);
}

.gal-header__subtitle {
  font-size: 17px;
  font-weight: 400;
  color: var(--eerie-700);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Filter Bar ─────────────────────────────────────────── */
.gal-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  justify-content: center;
  margin-bottom: var(--sp-xxxl);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s 0.2s var(--ease-out), transform 0.6s 0.2s var(--ease-out);
}
.gal-filters.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.gal-filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border: 1px solid rgba(30, 30, 30, 0.15);
  border-radius: var(--radius-lg);
  background: var(--white);
  color: var(--eerie-700);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition:
    background 0.25s,
    color 0.25s,
    border-color 0.25s,
    transform 0.2s var(--ease-spring),
    box-shadow 0.25s;
}
.gal-filter:hover {
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(20, 110, 245, 0.12);
}
.gal-filter--active {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
  box-shadow: 0 8px 24px rgba(20, 110, 245, 0.30);
}
.gal-filter--active:hover {
  background: var(--blue-dark);
  color: var(--white);
}
.gal-filter__icon {
  font-size: 10px;
  color: var(--yellow);
}

/* ── Masonry Grid ───────────────────────────────────────── */
.gal-grid {
  columns: 3;
  column-gap: var(--sp-lg);
}

/* ── Gallery Card ───────────────────────────────────────── */
.gal-card {
  position: relative;
  break-inside: avoid;
  margin-bottom: var(--sp-lg);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);

  /* reveal animation */
  opacity: 0;
  transform: translateY(48px) scale(0.97);
  transition:
    opacity 0.65s var(--ease-out),
    transform 0.65s var(--ease-out),
    box-shadow 0.35s;
}
.gal-card.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.gal-card:hover {
  box-shadow: 0 20px 50px rgba(0,0,0,0.14);
  z-index: 2;
}

/* Stagger delays */
.gal-card:nth-child(1)  { transition-delay: 0.05s; }
.gal-card:nth-child(2)  { transition-delay: 0.10s; }
.gal-card:nth-child(3)  { transition-delay: 0.15s; }
.gal-card:nth-child(4)  { transition-delay: 0.20s; }
.gal-card:nth-child(5)  { transition-delay: 0.25s; }
.gal-card:nth-child(6)  { transition-delay: 0.30s; }
.gal-card:nth-child(7)  { transition-delay: 0.35s; }
.gal-card:nth-child(8)  { transition-delay: 0.40s; }
.gal-card:nth-child(9)  { transition-delay: 0.45s; }
.gal-card:nth-child(10) { transition-delay: 0.50s; }
.gal-card:nth-child(11) { transition-delay: 0.55s; }
.gal-card:nth-child(12) { transition-delay: 0.60s; }

/* Card size modifiers */
.gal-card--tall .gal-card__media  { aspect-ratio: 3 / 4; }
.gal-card--wide                   { break-inside: avoid; }

/* ── Card media ─────────────────────────────────────────── */
.gal-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.gal-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.65s var(--ease-out);
}
.gal-card:hover .gal-card__img {
  transform: scale(1.08);
}

/* Overlay gradient */
.gal-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.72) 0%,
    rgba(0,0,0,0.18) 45%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}
.gal-card:hover .gal-card__overlay {
  opacity: 1;
}

/* Tilt shimmer layer */
.gal-card__tilt-layer {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.06) 0%,
    transparent 50%,
    rgba(255,255,255,0.04) 100%
  );
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.gal-card:hover .gal-card__tilt-layer {
  opacity: 1;
}

/* Border glow */
.gal-card__glow {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-sm);
  box-shadow: inset 0 0 0 2px var(--blue);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}
.gal-card:hover .gal-card__glow {
  opacity: 1;
}

/* ── Card body (caption) ────────────────────────────────── */
.gal-card__body {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: var(--sp-lg);
  transform: translateY(8px);
  opacity: 0;
  transition:
    opacity 0.4s var(--ease-out),
    transform 0.4s var(--ease-out);
}
.gal-card:hover .gal-card__body {
  opacity: 1;
  transform: translateY(0);
}

.gal-card__tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-lg);
  background: rgba(20, 110, 245, 0.85);
  color: var(--white);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.gal-card__title {
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
  letter-spacing: -0.3px;
}

.gal-card__desc {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  font-weight: 400;
  line-height: 1.5;
}

/* ── Zoom button ─────────────────────────────────────────── */
.gal-card__zoom-btn {
  position: absolute;
  top: var(--sp-md);
  right: var(--sp-md);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.92);
  color: var(--eerie);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: scale(0.7) rotate(-15deg);
  transition:
    opacity 0.35s var(--ease-out),
    transform 0.35s var(--ease-spring),
    background 0.2s;
}
.gal-card__zoom-btn svg {
  width: 16px;
  height: 16px;
}
.gal-card:hover .gal-card__zoom-btn {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}
.gal-card__zoom-btn:hover {
  background: var(--blue);
  color: var(--white);
}

/* ── Hidden / filtered ──────────────────────────────────── */
.gal-card.is-hidden {
  display: none;
}

/* ── Load More ──────────────────────────────────────────── */
.gal-load-more {
  display: flex;
  justify-content: center;
  margin-top: var(--sp-xxl);
}
.gal-load-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border: 1px solid rgba(30, 30, 30, 0.18);
  border-radius: var(--radius-lg);
  background: var(--white);
  color: var(--eerie);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition:
    background 0.25s,
    color 0.25s,
    border-color 0.25s,
    transform 0.25s var(--ease-spring),
    box-shadow 0.25s;
}
.gal-load-btn:hover {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(20, 110, 245, 0.28);
}
.gal-load-btn__icon {
  display: flex;
  align-items: center;
}
.gal-load-btn__icon svg {
  width: 18px;
  height: 18px;
  transition: transform 0.3s var(--ease-spring);
}
.gal-load-btn:hover .gal-load-btn__icon svg {
  transform: translateY(3px);
}

/* ── Lightbox Modal ──────────────────────────────────────── */
.gal-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.35s var(--ease-out);
  pointer-events: none;
}
.gal-lightbox:not([hidden]) {
  pointer-events: all;
}
.gal-lightbox.is-open {
  opacity: 1;
}

.gal-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
}

.gal-lightbox__stage {
  position: relative;
  z-index: 1;
  width: 90vw;
  max-width: 1000px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: scale(0.92) translateY(20px);
  transition: transform 0.4s var(--ease-out);
}
.gal-lightbox.is-open .gal-lightbox__stage {
  transform: scale(1) translateY(0);
}

/* Close button */
.gal-lightbox__close {
  position: absolute;
  top: -52px;
  right: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s var(--ease-spring);
}
.gal-lightbox__close svg { width: 18px; height: 18px; }
.gal-lightbox__close:hover {
  background: rgba(255,255,255,0.18);
  transform: scale(1.1);
}

/* Nav arrows */
.gal-lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.08);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.25s var(--ease-spring);
  z-index: 2;
}
.gal-lightbox__nav svg { width: 20px; height: 20px; }
.gal-lightbox__nav--prev { left: -64px; }
.gal-lightbox__nav--next { right: -64px; }
.gal-lightbox__nav:hover {
  background: var(--blue);
  border-color: var(--blue);
  transform: translateY(-50%) scale(1.08);
}

/* Figure / image wrap */
.gal-lightbox__figure {
  width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #111;
}
.gal-lightbox__img-wrap {
  position: relative;
  width: 100%;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gal-lightbox__img {
  width: 100%;
  max-height: 72vh;
  object-fit: contain;
  display: block;
  transition: opacity 0.3s;
}
.gal-lightbox__img.is-loading {
  opacity: 0;
}

/* Loader dots */
.gal-lightbox__loader {
  position: absolute;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.2s;
}
.gal-lightbox__loader.is-active {
  opacity: 1;
}
.gal-lightbox__loader span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  animation: loaderPulse 0.9s ease-in-out infinite;
}
.gal-lightbox__loader span:nth-child(2) { animation-delay: 0.15s; }
.gal-lightbox__loader span:nth-child(3) { animation-delay: 0.30s; }
@keyframes loaderPulse {
  0%, 100% { transform: scale(0.7); opacity: 0.4; }
  50%       { transform: scale(1.1); opacity: 1;   }
}

/* Caption */
.gal-lightbox__caption {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: var(--sp-md) var(--sp-lg);
  background: rgba(0,0,0,0.6);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.gal-lightbox__caption-title {
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
}
.gal-lightbox__caption-desc {
  color: rgba(255,255,255,0.55);
  font-size: 13px;
  flex: 1;
}
.gal-lightbox__caption-counter {
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1100px) {
  .gal-lightbox__nav--prev { left: -48px; }
  .gal-lightbox__nav--next { right: -48px; }
}

@media (max-width: 991px) {
  .gal-section {
    padding: 60px 0;
  }
  .gal-grid {
    columns: 2;
  }
  .gal-lightbox__nav--prev { left: 8px; }
  .gal-lightbox__nav--next { right: 8px; }
  .gal-lightbox__nav {
    top: auto;
    bottom: 72px;
    transform: none;
  }
  .gal-lightbox__nav:hover {
    transform: scale(1.08);
  }
}

@media (max-width: 767px) {
  .gal-section {
    padding: 50px 0;
  }
  .gal-header__title {
    letter-spacing: -0.5px;
  }
  .gal-grid {
    columns: 2;
    column-gap: var(--sp-sm);
  }
  .gal-card {
    margin-bottom: var(--sp-sm);
  }
  .gal-card__title {
    font-size: 16px;
  }
  .gal-card__desc {
    display: none;
  }
  .gal-filters {
    gap: 8px;
  }
  .gal-filter {
    padding: 8px 14px;
    font-size: 13px;
  }
  .gal-lightbox__close {
    top: -48px;
  }
  .gal-lightbox__caption {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: var(--sp-sm) var(--sp-md);
  }
}

@media (max-width: 479px) {
  .gal-grid {
    columns: 1;
  }
  .gal-card__desc {
    display: block;
  }
  .gal-filters {
    gap: 6px;
  }
  .gal-filter {
    padding: 7px 12px;
    font-size: 12px;
  }
  .gal-orb--1 { width: 280px; height: 280px; }
  .gal-orb--2 { display: none; }
}

/* ── Reduce motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .gal-card,
  .gal-header,
  .gal-filters,
  .gal-card__img,
  .gal-card__overlay,
  .gal-card__body,
  .gal-card__zoom-btn,
  .gal-lightbox,
  .gal-lightbox__stage,
  .gal-orb {
    transition: none;
    animation: none;
  }
  .gal-card,
  .gal-header,
  .gal-filters { opacity: 1; transform: none; }
}