:root {
  --green-deep: #043221;
  --green: #0a5c3a;
  --green-mid: #0d6b44;
  --green-soft: #1a8a5a;
  --green-mist: #e8f3ec;
  --green-wash: #f4faf6;
  --ink: #0c1210;
  --ink-soft: #3d4a43;
  --line: rgba(4, 50, 33, 0.12);
  --white: #ffffff;
  --radius: 999px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-ar: "Cairo", "Segoe UI", Tahoma, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--green-wash);
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

body.is-ar {
  font-family: var(--font-ar);
}

body.is-ar .hero__title,
body.is-ar .hero__eyebrow,
body.is-ar .lang-toggle {
  font-family: var(--font-ar);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* —— Loader —— */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  background: linear-gradient(165deg, #f7fcf8, #eaf5ee);
  display: flex;
  align-items: flex-end;
  transition: opacity 0.55s var(--ease-out), visibility 0.55s;
}

.page-loader.is-done {
  opacity: 0;
  visibility: hidden;
}

.page-loader__bar {
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--green-soft), var(--green-deep), var(--green-soft));
  background-size: 200% 100%;
  animation: loader-sweep 0.85s var(--ease-out) forwards;
}

@keyframes loader-sweep {
  from { transform: scaleX(0); transform-origin: left center; }
  to { transform: scaleX(1); transform-origin: left center; }
}

/* —— Atmosphere —— */
.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 55% at 50% -10%, rgba(26, 138, 90, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 15% 90%, rgba(10, 92, 58, 0.1), transparent 50%),
    radial-gradient(ellipse 50% 35% at 90% 70%, rgba(4, 50, 33, 0.08), transparent 45%),
    linear-gradient(165deg, #f7fcf8 0%, #eaf5ee 45%, #f3faf5 100%);
}

.ambient__mesh {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(4, 50, 33, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(4, 50, 33, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
  animation: mesh-drift 28s linear infinite;
}

@keyframes mesh-drift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 64px 64px, 64px 64px; }
}

.ambient__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  animation: drift 18s var(--ease-out) infinite alternate;
  will-change: transform;
}

.ambient__blob--a {
  width: min(55vw, 480px);
  height: min(55vw, 480px);
  top: -8%;
  left: 50%;
  translate: -50% 0;
  background: rgba(26, 138, 90, 0.22);
}

.ambient__blob--b {
  width: min(40vw, 340px);
  height: min(40vw, 340px);
  bottom: 5%;
  right: 8%;
  background: rgba(4, 50, 33, 0.12);
  animation-delay: -6s;
  animation-duration: 22s;
}

.ambient__blob--c {
  width: min(35vw, 280px);
  height: min(35vw, 280px);
  top: 45%;
  left: 6%;
  background: rgba(26, 138, 90, 0.14);
  animation-delay: -11s;
  animation-duration: 20s;
}

.ambient__glow {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26, 138, 90, 0.16), transparent 68%);
  transform: translate(-50%, -50%);
  left: 50%;
  top: 40%;
  opacity: 0;
  transition: opacity 0.4s ease;
  will-change: left, top;
}

.ambient__glow.is-on {
  opacity: 1;
}

.particles {
  position: absolute;
  inset: 0;
}

.particle {
  position: absolute;
  width: var(--size, 6px);
  height: var(--size, 6px);
  border-radius: 50%;
  background: var(--green-soft);
  opacity: 0;
  left: var(--x, 50%);
  bottom: -10px;
  animation: rise-particle var(--dur, 12s) linear infinite;
  animation-delay: var(--delay, 0s);
  filter: blur(0.2px);
}

.particle--soft {
  background: rgba(4, 50, 33, 0.25);
}

@keyframes rise-particle {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(0.6);
  }
  12% { opacity: var(--op, 0.45); }
  85% { opacity: var(--op, 0.35); }
  100% {
    opacity: 0;
    transform: translate3d(var(--drift, 20px), -110vh, 0) scale(1);
  }
}

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(4%, 6%) scale(1.08); }
}

/* —— Top bar —— */
.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: flex-end;
  padding: 1.25rem 1.5rem;
  opacity: 0;
  animation: fade-slide 0.7s var(--ease-out) 0.35s forwards;
}

.lang-toggle {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  color: var(--green-deep);
  font-family: var(--font-ar);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition:
    background 0.3s ease,
    border-color 0.3s ease,
    transform 0.35s var(--ease-spring),
    box-shadow 0.3s ease;
}

.lang-toggle:hover {
  background: var(--white);
  border-color: rgba(10, 92, 58, 0.35);
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 10px 24px rgba(4, 50, 33, 0.1);
}

.lang-toggle:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

@keyframes fade-slide {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* —— Hero —— */
.hero {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.5rem 1.5rem 3rem;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
  perspective: 900px;
}

.hero__mark {
  position: relative;
  width: min(100%, 380px);
  margin-bottom: 1.75rem;
  opacity: 0;
  transform: translateY(28px) scale(0.96);
}

.hero__mark.is-in {
  animation: rise-in 1.1s var(--ease-out) forwards;
}

.hero__logo-wrap {
  position: relative;
  display: block;
  transform-style: preserve-3d;
  transition: transform 0.45s var(--ease-out);
  animation: logo-float 5.5s ease-in-out 1.2s infinite;
  will-change: transform;
}

.hero__logo {
  display: block;
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 18px 40px rgba(4, 50, 33, 0.12));
  mix-blend-mode: multiply;
  border-radius: 4px;
}

.hero__shimmer {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    115deg,
    transparent 30%,
    rgba(255, 255, 255, 0.45) 48%,
    transparent 62%
  );
  transform: translateX(-130%);
  mix-blend-mode: soft-light;
}

.hero__mark.is-in .hero__shimmer {
  animation: shimmer 2.8s var(--ease-out) 1.1s 1;
}

.hero__mark.is-in:hover .hero__shimmer {
  animation: shimmer 1.6s var(--ease-out);
}

@keyframes shimmer {
  to { transform: translateX(130%); }
}

@keyframes logo-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero__underline {
  display: block;
  height: 2px;
  width: 0;
  margin: 1rem auto 0;
  border-radius: var(--radius);
  background: linear-gradient(90deg, transparent, var(--green), transparent);
}

.hero__mark.is-in .hero__underline {
  animation: underline-grow 1s var(--ease-out) 0.55s forwards;
}

@keyframes underline-grow {
  to { width: 58%; }
}

.hero__eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.75rem;
  opacity: 0;
  transform: translateY(18px);
  position: relative;
}

.hero__eyebrow.is-in::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -0.35rem;
  width: 28px;
  height: 2px;
  translate: -50% 0;
  background: var(--green-soft);
  border-radius: var(--radius);
  animation: pulse-dot 2.2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 0.35; transform: scaleX(0.7); }
  50% { opacity: 1; transform: scaleX(1); }
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 7vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--green-deep);
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(18px);
}

.hero__title .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.55em) rotateX(-40deg);
  transform-origin: bottom center;
}

.hero__title.is-split .char {
  animation: char-in 0.7s var(--ease-out) forwards;
}

.hero__title .char--space {
  width: 0.28em;
}

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

.hero__lead {
  font-size: clamp(1rem, 2.4vw, 1.15rem);
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 36rem;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(18px);
}

body.is-ar .hero__lead {
  line-height: 1.85;
}

.hero__eyebrow.is-in,
.hero__title.is-in:not(.is-split),
.hero__lead.is-in,
.notify.is-in,
.countdown.is-in,
.footer.is-in {
  animation: rise-in 0.9s var(--ease-out) forwards;
}

.hero__title.is-in.is-split {
  opacity: 1;
  transform: none;
  animation: none;
}

.hero__title.is-in { animation-delay: 0.12s; }
.hero__lead.is-in { animation-delay: 0.22s; }
.notify.is-in { animation-delay: 0.32s; }
.countdown.is-in { animation-delay: 0.44s; }
.footer.is-in { animation-delay: 0.55s; }

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

/* —— Notify form —— */
.notify {
  width: min(100%, 440px);
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateY(18px);
}

.notify__row {
  display: flex;
  gap: 0.5rem;
  padding: 0.4rem;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 40px rgba(4, 50, 33, 0.06);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.35s var(--ease-out);
}

.notify__row:focus-within {
  border-color: rgba(10, 92, 58, 0.4);
  box-shadow: 0 18px 44px rgba(4, 50, 33, 0.12);
  transform: translateY(-2px);
}

.notify input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  padding: 0.75rem 1rem;
  outline: none;
}

.notify input::placeholder {
  color: rgba(61, 74, 67, 0.55);
}

.notify button {
  appearance: none;
  position: relative;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--green-mid), var(--green-deep));
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  padding: 0.75rem 1.35rem;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.3s var(--ease-spring), filter 0.25s ease, box-shadow 0.3s ease;
}

.notify button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    transparent 25%,
    rgba(255, 255, 255, 0.28) 50%,
    transparent 75%
  );
  transform: translateX(-120%);
  transition: transform 0.6s var(--ease-out);
}

.notify button:hover::before {
  transform: translateX(120%);
}

body.is-ar .notify button {
  font-family: var(--font-ar);
}

.notify button:hover {
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.06);
  box-shadow: 0 12px 28px rgba(4, 50, 33, 0.22);
}

.notify button:active {
  transform: translateY(0) scale(0.98);
}

.notify button:focus-visible {
  outline: 2px solid var(--green-soft);
  outline-offset: 3px;
}

.notify button.is-success {
  animation: btn-success 0.55s var(--ease-spring);
}

@keyframes btn-success {
  0% { transform: scale(1); }
  40% { transform: scale(0.94); }
  100% { transform: scale(1); }
}

.notify__msg {
  min-height: 1.4em;
  margin-top: 0.75rem;
  font-size: 0.88rem;
  color: var(--green);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.35s ease, transform 0.35s var(--ease-out);
}

.notify__msg.is-show {
  opacity: 1;
  transform: translateY(0);
}

.notify__msg.is-error {
  color: #9b2c2c;
}

/* —— Countdown —— */
.countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  width: min(100%, 420px);
  opacity: 0;
  transform: translateY(18px);
}

.countdown__cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.9rem 0.4rem;
  border-top: 1px solid var(--line);
  transition: transform 0.35s var(--ease-out), border-color 0.3s ease;
}

.countdown__cell:hover {
  transform: translateY(-3px);
  border-top-color: rgba(10, 92, 58, 0.35);
}

.countdown__value {
  position: relative;
  display: inline-grid;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 1.85rem);
  letter-spacing: -0.02em;
  color: var(--green-deep);
  font-variant-numeric: tabular-nums;
  min-width: 2ch;
}

.countdown__value.is-tick {
  animation: tick-pop 0.45s var(--ease-spring);
}

@keyframes tick-pop {
  0% { transform: translateY(8px); opacity: 0.35; }
  60% { transform: translateY(-2px); opacity: 1; }
  100% { transform: translateY(0); }
}

.countdown__label {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

body.is-ar .countdown__label {
  letter-spacing: 0.04em;
  text-transform: none;
}

/* —— Footer —— */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1.25rem 1.5rem 1.75rem;
  font-size: 0.8rem;
  color: var(--ink-soft);
  opacity: 0;
  transform: translateY(12px);
}

/* —— Mobile —— */
@media (max-width: 560px) {
  .topbar {
    padding: 1rem;
  }

  .hero {
    padding-bottom: 2rem;
  }

  .hero__mark {
    width: min(100%, 280px);
    margin-bottom: 1.25rem;
  }

  .notify__row {
    flex-direction: column;
    border-radius: 1.25rem;
    padding: 0.55rem;
  }

  .notify button {
    width: 100%;
  }

  .countdown {
    gap: 0.35rem;
  }

  .countdown__cell {
    padding: 0.7rem 0.2rem;
  }

  .ambient__glow {
    display: none;
  }
}

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

  .hero__mark,
  .hero__eyebrow,
  .hero__title,
  .hero__lead,
  .notify,
  .countdown,
  .footer,
  .topbar,
  .page-loader {
    opacity: 1;
    transform: none;
    visibility: visible;
  }

  .hero__title .char {
    opacity: 1;
    transform: none;
  }

  .particles,
  .ambient__glow,
  .hero__shimmer {
    display: none;
  }
}