/* ==========================================================================
   HIGH FLYFE — Coming Soon
   ========================================================================== */

:root {
  --color-bg: #050505;
  --color-text: #ffffff;
  --color-text-secondary: #c9c9c9;
  --color-accent: #c8a96a;
  --color-accent-dim: rgba(200, 169, 106, 0.35);

  --font-display: 'Manrope', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-slow: 1.1s;
  --duration-base: 0.5s;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   Background layers
   -------------------------------------------------------------------------- */

.bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.bg__image {
  position: absolute;
  inset: 0;
  background-image: url('/assets/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  filter: blur(2px);
  transform: scale(1.05);
  opacity: 0.35;
}

.bg__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(5, 5, 5, 0.75) 0%,
    rgba(5, 5, 5, 0.55) 50%,
    rgba(5, 5, 5, 0.85) 100%
  );
}
.bg__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(80vw, 900px);
  height: min(80vw, 900px);
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(200, 169, 106, 0.08) 0%, rgba(200, 169, 106, 0) 65%);
  animation: glow-breathe 10s ease-in-out infinite;
  will-change: transform, opacity;
}

@keyframes glow-breathe {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
  50% { transform: translate(-50%, -50%) scale(1.12); opacity: 1; }
}

.bg__grain {
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

@media (prefers-reduced-motion: reduce) {
  .bg__glow { animation: none; }
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(20px, 4vw, 40px);
}

.site-header__mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--color-text-secondary);
  opacity: 0;
  animation: fade-in var(--duration-slow) var(--ease-out) 0.6s forwards;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  opacity: 0;
  animation: fade-in var(--duration-slow) var(--ease-out) 0.6s forwards;
}

.lang-switch__option {
  padding: 4px 2px;
  transition: color var(--duration-base) var(--ease-out);
}

.lang-switch__option.is-active {
  color: var(--color-accent);
}

.lang-switch__divider {
  color: rgba(255, 255, 255, 0.2);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 640px;
}

.hero__logo {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 6vw, 56px);
  letter-spacing: 0.08em;
  opacity: 0;
  animation: reveal-up var(--duration-slow) var(--ease-out) 0.1s forwards;
}

.hero__tagline {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(12px, 1.6vw, 14px);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-accent);
  opacity: 0;
  animation: reveal-up var(--duration-slow) var(--ease-out) 0.3s forwards;
}

.hero__headline {
  margin: 48px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(20px, 3.2vw, 30px);
  line-height: 1.35;
  color: var(--color-text);
  opacity: 0;
  animation: reveal-up var(--duration-slow) var(--ease-out) 0.5s forwards;
}

.hero__description {
  margin: 18px 0 0;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 480px;
  opacity: 0;
  animation: reveal-up var(--duration-slow) var(--ease-out) 0.7s forwards;
}

.hero__description--sub {
  animation-delay: 0.85s;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  margin-top: 52px;
  opacity: 0;
  animation: reveal-up var(--duration-slow) var(--ease-out) 1.05s forwards;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 42px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--color-accent-dim);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out);
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  transform: translateX(-100%);
  transition: transform var(--duration-base) var(--ease-out);
  z-index: -1;
}

.btn:hover,
.btn:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.btn:hover::before,
.btn:focus-visible::before {
  transform: translateX(0);
}

.hero__links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.hero__link {
  position: relative;
  padding: 4px 0;
  transition: color var(--duration-base) var(--ease-out);
}

.hero__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}

.hero__link:hover,
.hero__link:focus-visible {
  color: var(--color-text);
}

.hero__link:hover::after,
.hero__link:focus-visible::after {
  transform: scaleX(1);
}

.hero__link--button { font-family: inherit; }

.hero__location {
  position: absolute;
  bottom: clamp(20px, 4vw, 40px);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(201, 201, 201, 0.5);
  opacity: 0;
  animation: fade-in var(--duration-slow) var(--ease-out) 1.3s forwards;
}

@keyframes reveal-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__logo, .hero__tagline, .hero__headline, .hero__description,
  .hero__cta, .hero__location, .site-header__mark, .lang-switch {
    animation: none;
    opacity: 1;
  }
}

/* --------------------------------------------------------------------------
   Modal — Showreel
   -------------------------------------------------------------------------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal[hidden] { display: none; }

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 5, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: fade-in var(--duration-base) var(--ease-out);
}

.modal__panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 960px;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #000;
  animation: modal-in var(--duration-base) var(--ease-out);
}

@keyframes modal-in {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}

.modal__frame {
  width: 100%;
  height: 100%;
}

.modal__frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.modal__close {
  position: absolute;
  top: -44px;
  right: 0;
  color: var(--color-text-secondary);
  padding: 8px;
  transition: color var(--duration-base) var(--ease-out);
}

.modal__close:hover,
.modal__close:focus-visible {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Responsywność
   -------------------------------------------------------------------------- */

@media (max-width: 640px) {
  .hero__links {
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .modal { padding: 0; }
  .modal__panel { max-width: 100%; }
}

@media (min-width: 1600px) {
  .hero__content { max-width: 720px; }
}