/* Ramplast Coming Soon — modern CSS, fully local assets */

:root {
  --ink: #05080f;
  --veil: color-mix(in oklab, #03060d 38%, transparent);
  --veil-deep: color-mix(in oklab, #02040a 55%, transparent);
  --frost: color-mix(in oklab, white 92%, #c9d7ff);
  --muted: color-mix(in oklab, white 64%, #9eb0d8);
  --accent: #8eb8ff;
  --accent-soft: color-mix(in oklab, #7eb6ff 35%, transparent);
  --navy-logo: #0b2a6b;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font-fa: "Vazirmatn", Tahoma, sans-serif;
  --font-latin: "Manrope", "Vazirmatn", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  min-height: 100dvh;
  overflow: hidden;
  background: var(--ink);
  color: var(--frost);
  font-family: var(--font-latin);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ——— Intro loader (blue → white, then cut to site) ——— */
.intro {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #000;
  pointer-events: all;
}

.intro.is-done {
  display: none;
}

.intro__mark {
  position: relative;
  width: min(52vw, 280px);
  line-height: 0;
}

.intro__logo {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
}

.intro__logo--white {
  position: relative;
  z-index: 0;
}

.intro__logo--blue {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 1;
  transition: opacity 2.4s ease-in-out;
  pointer-events: none;
}

.intro.is-morph .intro__logo--blue {
  opacity: 0;
}

img {
  display: block;
  max-width: 100%;
  user-select: none;
  -webkit-user-drag: none;
}

.stage {
  position: relative;
  isolation: isolate;
  min-height: 100dvh;
  width: 100%;
  overflow: hidden;
  background: var(--ink);
}

/* ——— Media stack ——— */
.stage__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.stage__video {
  position: absolute;
  inset: 50% auto auto 50%;
  width: min(160vmax, 2400px);
  height: min(160vmax, 2400px);
  min-width: 100%;
  min-height: 100%;
  transform: translate(-50%, -50%) scale(1.12);
  object-fit: cover;
  filter: grayscale(1) contrast(1.08) brightness(0.72) blur(1.5px);
  animation: video-drift 28s var(--ease-soft) infinite alternate;
}

.stage__blur {
  position: absolute;
  inset: -2px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: color-mix(in oklab, #05080f 14%, transparent);
}

.stage__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 75% 58% at 50% 36%, transparent 0%, var(--veil) 68%, var(--veil-deep) 100%),
    linear-gradient(180deg, color-mix(in oklab, #02040a 30%, transparent), color-mix(in oklab, #02040a 48%, transparent));
}

.stage__grain {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  mix-blend-mode: overlay;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  animation: grain-shift 1.2s steps(3) infinite;
}

.stage__glow {
  display: none;
}

/* ——— Portraits ——— */
.portrait {
  position: absolute;
  bottom: 0;
  z-index: 2;
  width: min(38vw, 520px);
  pointer-events: none;
  opacity: 0;
  will-change: transform, opacity, filter;
}

.portrait img {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: bottom center;
}

.portrait--father {
  left: clamp(-2%, 1vw, 3%);
  transform: translate3d(-18%, 8%, 0) scale(1.02);
}

.portrait--son {
  right: clamp(-2%, 1vw, 3%);
  transform: translate3d(18%, 8%, 0) scale(1.02);
}

.stage.is-ready .portrait--father {
  animation: enter-left 1.55s var(--ease-out) 0.35s forwards;
}

.stage.is-ready .portrait--son {
  animation: enter-right 1.55s var(--ease-out) 0.5s forwards;
}

/* ——— Hero ——— */
.hero {
  position: relative;
  z-index: 5;
  min-height: 100dvh;
  display: grid;
  place-content: start center;
  justify-items: center;
  padding:
    clamp(1.5rem, 5vh, 3.5rem)
    clamp(1rem, 4vw, 2.5rem)
    clamp(7rem, 18vh, 11rem);
  text-align: center;
}

.hero__logo-wrap {
  position: relative;
  display: grid;
  place-items: center;
  margin-block: 0.5rem 1.25rem;
  opacity: 0;
  transform: translateY(-28px) scale(0.92);
}

.stage.is-ready .hero__logo-wrap {
  animation: logo-in 1.25s var(--ease-out) 0.1s forwards;
}

.hero__logo {
  width: clamp(140px, 22vw, 230px);
  height: auto;
  position: relative;
  z-index: 1;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 22px color-mix(in oklab, white 28%, transparent));
}

.hero__orbit {
  position: absolute;
  inset: -28% -36%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft), transparent 68%);
  opacity: 0.7;
  animation: orbit-pulse 4.5s ease-in-out infinite;
  z-index: 0;
}

.hero__eyebrow {
  font-family: var(--font-latin);
  font-size: clamp(0.62rem, 1.1vw, 0.72rem);
  font-weight: 700;
  letter-spacing: 0.48em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
  opacity: 0;
}

.hero__lines {
  display: grid;
  gap: clamp(0.85rem, 1.8vh, 1.15rem);
  max-width: min(720px, 90vw);
}

.line {
  position: relative;
  margin: 0 auto;
  width: fit-content;
  max-width: 100%;
  line-height: 1.55;
  text-wrap: balance;
  text-shadow: 0 2px 18px color-mix(in oklab, #000 45%, transparent);
  opacity: 0;
}

.line::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -0.35rem;
  width: min(42%, 7.5rem);
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in oklab, white 28%, transparent),
    transparent
  );
  opacity: 0.7;
}

.line:last-child::after {
  display: none;
}

.line--fa {
  font-family: var(--font-fa);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.4vw, 1.45rem);
  letter-spacing: 0.01em;
  color: var(--frost);
}

.line--en {
  font-family: var(--font-latin);
  font-weight: 500;
  font-size: clamp(0.86rem, 1.7vw, 1.05rem);
  letter-spacing: 0.04em;
  text-transform: none;
  font-style: italic;
  color: color-mix(in oklab, white 86%, #dce7ff);
}

.line--ru {
  font-family: var(--font-latin);
  font-weight: 500;
  font-size: clamp(0.8rem, 1.55vw, 0.98rem);
  letter-spacing: 0.03em;
  color: var(--muted);
}

.hero__rule {
  width: min(120px, 32vw);
  height: 1px;
  margin-top: 1.5rem;
  background: linear-gradient(90deg, transparent, color-mix(in oklab, white 45%, transparent), transparent);
  opacity: 0;
  transform: scaleX(0.4);
}

.hero__call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin-top: 1.65rem;
  padding: 0.72rem 1.15rem;
  text-decoration: none;
  color: var(--frost);
  border: 1px solid color-mix(in oklab, white 22%, transparent);
  background: color-mix(in oklab, #05080f 28%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color 0.35s var(--ease-soft), background 0.35s var(--ease-soft), color 0.35s var(--ease-soft);
  opacity: 0;
}

.hero__call:hover,
.hero__call:focus-visible {
  border-color: color-mix(in oklab, var(--accent) 55%, white);
  background: color-mix(in oklab, #0a1528 45%, transparent);
  color: white;
  outline: none;
}

.hero__call-label {
  font-family: var(--font-fa);
  font-weight: 600;
  font-size: clamp(0.88rem, 1.5vw, 1rem);
  letter-spacing: 0.01em;
}

.hero__call-num {
  font-family: var(--font-latin);
  font-weight: 600;
  font-size: clamp(0.78rem, 1.25vw, 0.9rem);
  letter-spacing: 0.06em;
  color: var(--accent);
  white-space: nowrap;
}

.stage.is-ready [data-reveal] {
  animation: reveal-up 1.05s var(--ease-out) var(--d, 0s) forwards;
}

.stage.is-ready .hero__rule {
  animation: rule-in 1.1s var(--ease-out) var(--d, 0s) forwards;
}

/* ——— Keyframes ——— */
@keyframes video-drift {
  from { transform: translate(-50%, -50%) scale(1.12); }
  to { transform: translate(-48%, -51%) scale(1.18); }
}

@keyframes grain-shift {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(-1.5%, 1%); }
  66% { transform: translate(1%, -1.5%); }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.16; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(1.08); }
}

@keyframes enter-left {
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes enter-right {
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes logo-in {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes orbit-pulse {
  0%, 100% { opacity: 0.45; transform: scale(0.92); }
  50% { opacity: 0.85; transform: scale(1.05); }
}

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(22px);
    filter: blur(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes rule-in {
  to {
    opacity: 1;
    transform: scaleX(1);
  }
}

/* ——— Responsive ——— */
@media (max-width: 900px) {
  .portrait {
    width: min(46vw, 340px);
  }

  .hero {
    place-content: center;
    padding-top: clamp(1rem, 3vh, 2rem);
    padding-bottom: clamp(6.5rem, 24vh, 10rem);
  }
}

@media (max-width: 680px) {
  body {
    overflow-x: hidden;
  }

  .stage__video {
    filter: grayscale(1) contrast(1.08) brightness(0.68) blur(1.5px);
  }

  .stage__blur {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  .portrait {
    width: min(52vw, 240px);
    opacity: 0;
  }

  .portrait--father {
    left: -6%;
    bottom: -2%;
  }

  .portrait--son {
    right: -6%;
    bottom: -2%;
  }

  .hero {
    place-content: center;
    align-content: center;
    padding-top: 0.5rem;
    padding-bottom: clamp(5.5rem, 20vh, 7.5rem);
    transform: translateY(4vh);
  }

  .hero__logo-wrap {
    margin-block: 0.25rem 0.85rem;
  }

  .hero__logo {
    width: clamp(120px, 38vw, 170px);
  }

  .hero__eyebrow {
    letter-spacing: 0.28em;
    margin-bottom: 0.85rem;
  }

  .hero__lines {
    gap: 0.7rem;
  }

  .line--fa {
    font-size: clamp(1rem, 4.4vw, 1.2rem);
  }

  .line--en,
  .line--ru {
    font-size: clamp(0.78rem, 3.3vw, 0.92rem);
  }

  .hero__call {
    margin-top: 1.25rem;
    padding: 0.78rem 1.2rem;
    min-height: 2.75rem;
  }

  .hero__call-num {
    display: none;
  }
}

@media (max-width: 420px) {
  .portrait {
    width: 46vw;
  }

  .portrait img {
    opacity: 0.9;
  }
}

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

  .intro {
    display: none !important;
  }

  .portrait,
  .hero__logo-wrap,
  [data-reveal],
  .hero__rule,
  .hero__call {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}