/* ===================================================================
   Pong Towel Fall — Landing Page
   Apple-style minimal, dark, scroll-driven visual storytelling.
   =================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Prompt", "Inter", sans-serif;

  --bg-0: #050506;
  --bg-1: #0b0b0d;
  --bg-2: #121215;
  --line: rgba(255, 255, 255, 0.08);

  --text-0: #f5f5f7;
  --text-1: #c9c9cf;
  --text-2: #86868b;

  --accent: #8a5cf6;
  --accent-2: #f6a35c;

  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg-0);
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-0);
  color: var(--text-0);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 0 0 20px;
}

.section-lead {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--text-1);
  max-width: 620px;
  line-height: 1.7;
  margin: 0;
}

.section-header {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 64px;
  text-align: left;
}

/* Reveal-on-scroll base state (JS + GSAP toggles .is-visible) */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out),
    background 0.35s var(--ease-out), color 0.35s var(--ease-out);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:hover {
  transform: translateY(-2px) scale(1.02);
}
.btn:active {
  transform: translateY(0) scale(0.98);
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent), #6a3ce0);
  color: #fff;
  box-shadow: 0 10px 30px -8px rgba(138, 92, 246, 0.55);
}
.btn--primary:hover {
  box-shadow: 0 14px 36px -6px rgba(138, 92, 246, 0.7);
}
.btn--outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-0);
  border-color: rgba(255, 255, 255, 0.18);
}
.btn--outline:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.3);
}
.btn svg {
  width: 18px;
  height: 18px;
}

/* ---------------------------------------------------------------
   Navigation
   --------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: rgba(5, 5, 6, 0);
  backdrop-filter: blur(0px);
  transition: background 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(8, 8, 10, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav__brand {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.02em;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: var(--text-1);
}
.nav__links a {
  transition: color 0.25s ease;
}
.nav__links a:hover {
  color: var(--text-0);
}
.nav__cta {
  padding: 9px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-0) !important;
}
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-0);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ---------------------------------------------------------------
   Hero
   --------------------------------------------------------------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.08);
  will-change: transform;
}
.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 5, 6, 0.35) 0%, rgba(5, 5, 6, 0.55) 55%, rgba(5, 5, 6, 0.95) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}
.hero__eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-1);
  margin-bottom: 20px;
}
.hero__title {
  font-size: clamp(48px, 10vw, 120px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  background: linear-gradient(180deg, #fff, #cfc9e0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__subtitle {
  font-size: clamp(16px, 2vw, 22px);
  color: var(--text-1);
  margin: 0 auto 60px;
  max-width: 560px;
}
.hero__scrollcue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-2);
  text-transform: uppercase;
}
.hero__scrollcue-line {
  width: 1px;
  height: 46px;
  background: linear-gradient(180deg, var(--text-2), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scrollcue-line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent, #fff);
  animation: scrollcue 2.2s ease-in-out infinite;
}
@keyframes scrollcue {
  0% { top: -100%; }
  100% { top: 100%; }
}

/* ---------------------------------------------------------------
   Vision — fade-in & scale-up storytelling block
   --------------------------------------------------------------- */
.vision {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0;
  overflow: hidden;
}
.vision__media-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.vision__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(0.95);
  opacity: 0;
  transition: transform 1.4s var(--ease-out), opacity 1.4s var(--ease-out);
}
.vision__media.is-visible {
  transform: scale(1);
  opacity: 1;
}
.vision__media-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 5, 6, 0.92) 0%, rgba(5, 5, 6, 0.75) 45%, rgba(5, 5, 6, 0.35) 100%);
}
.vision__content {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}
.vision__text {
  font-size: clamp(18px, 2.1vw, 24px);
  line-height: 1.85;
  color: var(--text-1);
  max-width: 640px;
  margin: 0;
}

/* ---------------------------------------------------------------
   Portfolio — sticky media + scrolling caption storytelling
   --------------------------------------------------------------- */
.portfolio {
  padding-top: 120px;
  padding-bottom: 40px;
  scroll-margin-top: 72px;
}
.portfolio-scroll {
  position: relative;
}
.portfolio-pin {
  position: sticky;
  top: 0;
  z-index: 2;
  height: 100dvh;
  overflow: hidden;
  background-color: var(--bg-1);
  background-size: cover;
  background-position: center;
}
.portfolio-media-stack {
  position: absolute;
  inset: 0;
}
.portfolio-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0;
  z-index: 0;
  transition: opacity 0.8s var(--ease-out);
}
.portfolio-media.is-active {
  opacity: 1;
  z-index: 1;
}
.portfolio-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 5, 6, 0.15) 0%, rgba(5, 5, 6, 0.35) 55%, rgba(5, 5, 6, 0.92) 100%);
  z-index: 2;
  pointer-events: none;
}
.portfolio-caption-stack {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  padding: 0 24px 90px;
  max-width: var(--container);
  margin: 0 auto;
}
.portfolio-caption {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 90px;
  max-width: 560px;
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
  pointer-events: none;
}
.portfolio-caption.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.portfolio-caption__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 14px;
}
.portfolio-caption__title {
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 600;
  margin: 0 0 12px;
  color: #fff;
}
.portfolio-caption__desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-1);
  margin: 0 0 22px;
  max-width: 480px;
}
.portfolio-index {
  position: absolute;
  right: 24px;
  bottom: 90px;
  z-index: 3;
  display: flex;
  flex-direction: column-reverse;
  gap: 10px;
  align-items: flex-end;
}
.portfolio-index__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  transition: background 0.3s ease, transform 0.3s ease;
}
.portfolio-index__dot.is-active {
  background: #fff;
  transform: scale(1.3);
}
.portfolio-triggers {
  margin-top: -100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 0;
  pointer-events: none;
}
.portfolio-trigger {
  height: 100dvh;
}
.portfolio-cards {
  display: none;
}

/* ---------------------------------------------------------------
   Venues — grid with micro-interactions
   --------------------------------------------------------------- */
.venues {
  padding: 140px 0;
}
.venues__grid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.venue-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--bg-2);
  opacity: 0;
  transform: translateY(32px) scale(0.97);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.venue-card.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.venue-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.venue-card:hover .venue-card__img {
  transform: scale(1.08);
}
.venue-card__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 5, 6, 0) 40%, rgba(5, 5, 6, 0.9) 100%);
}
.venue-card__body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px;
  transform: translateY(6px);
  transition: transform 0.4s var(--ease-out);
}
.venue-card:hover .venue-card__body {
  transform: translateY(0);
}
.venue-card__name {
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 6px;
}
.venue-card__desc {
  font-size: 13.5px;
  color: var(--text-1);
  margin: 0;
  line-height: 1.5;
}

/* ---------------------------------------------------------------
   History — timeline
   --------------------------------------------------------------- */
.history {
  padding: 140px 0 160px;
}
.timeline {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--line);
}
.timeline-item {
  position: relative;
  padding-left: 64px;
  padding-bottom: 56px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(138, 92, 246, 0.18);
}
.timeline-item__year {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-2);
  margin-bottom: 8px;
}
.timeline-item__title {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 8px;
}
.timeline-item__desc {
  font-size: 15px;
  color: var(--text-1);
  line-height: 1.65;
  max-width: 560px;
  margin: 0;
}

/* ---------------------------------------------------------------
   Contact
   --------------------------------------------------------------- */
.contact {
  position: relative;
  padding: 180px 24px;
  text-align: center;
  background: radial-gradient(circle at 50% 20%, rgba(138, 92, 246, 0.16), transparent 60%);
}
.contact__inner {
  max-width: 760px;
  margin: 0 auto;
}
.contact__title {
  font-size: clamp(30px, 5vw, 50px);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 46px;
}
.contact__buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 50px;
}
.contact__socials {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
}
.contact__socials a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  transition: background 0.3s ease, transform 0.3s ease;
}
.contact__socials a:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-3px);
}
.contact__socials svg {
  width: 18px;
  height: 18px;
}

.footer {
  padding: 32px 24px 40px;
  text-align: center;
  font-size: 13px;
  color: var(--text-2);
  border-top: 1px solid var(--line);
}

/* ---------------------------------------------------------------
   Responsive
   --------------------------------------------------------------- */
@media (max-width: 900px) {
  .venues__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .nav__links {
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 24px 28px 32px;
    background: rgba(8, 8, 10, 0.96);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
  }
  .nav__links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__toggle {
    display: flex;
  }
  .venues__grid {
    grid-template-columns: 1fr;
  }
  .portfolio-scroll {
    display: none;
  }
  .portfolio-cards {
    display: flex;
    flex-direction: column;
    gap: 28px;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px 8px;
  }
  .portfolio-card {
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--bg-2);
    border: 1px solid var(--line);
  }
  .portfolio-card__img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
  }
  .portfolio-card__body {
    padding: 22px 20px 24px;
  }
  .portfolio-card .portfolio-caption {
    position: static;
    left: auto;
    right: auto;
    bottom: auto;
    max-width: none;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  .portfolio-card .portfolio-caption__title {
    font-size: 26px;
  }
  .portfolio-card .portfolio-caption__desc {
    max-width: none;
  }
  .contact__buttons {
    flex-direction: column;
    width: 100%;
  }
  .contact__buttons .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}