/*
  مسابقة حروف — صفحة العرض والتنزيل
  قرار تصميمي: نمط داكن واحد فقط (بدون وضع فاتح)، لأن هوية اللعبة نفسها
  هي "أستوديو مسابقة" داكن بإضاءة ذهبية — نفس الخلفية الفعلية للتطبيق (#07130d)،
  وتحويلها لوضع فاتح يُفقدها هويتها الحقيقية على الشاشة.
*/

:root {
  --ink: #07130d;
  --panel: #0e2018;
  --panel-raised: #123024;
  --hairline: rgba(242, 201, 76, 0.16);
  --gold: #f2c94c;
  --gold-deep: #c9902a;
  --gold-dim: rgba(242, 201, 76, 0.55);
  --cream: #fbf4e0;
  --cream-dim: rgba(251, 244, 224, 0.66);
  --red-team: #e2483f;
  --green-team: #22b06b;

  --font-arabic: "Noto Kufi Arabic", "Dubai", "Segoe UI", Tahoma, Arial, sans-serif;
  --font-spec: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;

  --measure: 62ch;
  --edge: clamp(20px, 5vw, 64px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-arabic);
  direction: rtl;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: var(--edge);
}

section {
  padding-block: clamp(56px, 10vw, 120px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-spec);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold-dim);
  margin: 0 0 14px;
}

h1, h2, h3 {
  font-weight: 900;
  text-wrap: balance;
  margin: 0;
  color: var(--cream);
}

h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  color: var(--gold);
}

h3 {
  font-size: 1.15rem;
}

p {
  color: var(--cream-dim);
  max-width: var(--measure);
}

.section-head {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: clamp(36px, 6vw, 64px);
}

.section-head p {
  margin-inline: auto;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 14px;
  padding-inline: var(--edge);
  background: rgba(7, 19, 13, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--cream);
}

.brand img {
  width: 30px;
  height: 30px;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cream-dim);
  text-decoration: none;
  white-space: nowrap;
}

.header-link:hover {
  color: var(--gold);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 8px;
  background: var(--gold);
  color: #241a03;
  font-weight: 800;
  font-size: 0.88rem;
  text-decoration: none;
  white-space: nowrap;
}

.header-cta:hover {
  background: var(--cream);
}

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

.hero {
  position: relative;
  padding-block: clamp(64px, 12vw, 128px) clamp(40px, 8vw, 80px);
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
  mask-image: linear-gradient(to bottom, black 45%, transparent 92%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  display: grid;
  justify-items: center;
  gap: 20px;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: rgba(242, 201, 76, 0.06);
  font-family: var(--font-spec);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--gold-dim);
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-team);
  box-shadow: 0 0 0 0 rgba(34, 176, 107, 0.6);
  animation: pulse-dot 2.2s ease-out infinite;
}

@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(34, 176, 107, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(34, 176, 107, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 176, 107, 0); }
}

.hero h1 {
  font-size: clamp(2.6rem, 8vw, 4.6rem);
  color: var(--gold);
  text-shadow: 0 0 40px rgba(242, 201, 76, 0.35);
  line-height: 1.05;
}

.hero-sub {
  max-width: 46ch;
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--cream-dim);
  margin-inline: auto;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 10px;
  font-weight: 800;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(180deg, var(--gold), var(--gold-deep));
  color: #241a03;
  box-shadow: 0 10px 30px rgba(242, 201, 76, 0.25);
}

.btn-primary:hover {
  filter: brightness(1.06);
}

.btn-ghost {
  background: transparent;
  border-color: var(--hairline);
  color: var(--cream);
}

.btn-ghost:hover {
  border-color: var(--gold-dim);
}

.hero-link {
  font-size: 0.86rem;
  color: var(--cream-dim);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--hairline);
}

.hero-link:hover {
  color: var(--gold);
  text-decoration-color: var(--gold-dim);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 18px;
  font-family: var(--font-spec);
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
  color: var(--cream-dim);
}

.hero-meta span {
  white-space: nowrap;
}

/* ---------- Screens showcase ---------- */

.screens {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 3vw, 32px);
  align-items: end;
}

.screen-card {
  display: grid;
  gap: 14px;
  justify-items: center;
  text-align: center;
}

.screen-card:nth-child(2) {
  transform: translateY(-18px);
}

.phone-frame {
  width: 100%;
  max-width: 240px;
  border-radius: 22px;
  padding: 8px;
  background: linear-gradient(180deg, #1c2b22, #0b1a12);
  border: 1px solid var(--hairline);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.phone-frame img {
  border-radius: 16px;
  width: 100%;
}

.screen-card h3 {
  color: var(--cream);
  font-size: 1rem;
}

.screen-card p {
  font-size: 0.9rem;
  max-width: 30ch;
}

@media (max-width: 820px) {
  .screens {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin-inline: auto;
  }
  .screen-card:nth-child(2) {
    transform: none;
  }
}

/* ---------- Roles ---------- */

.roles-section {
  background: var(--panel);
  border-block: 1px solid var(--hairline);
}

.roles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  overflow: hidden;
}

.role-card {
  background: var(--panel);
  padding: 28px 24px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.role-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-spec);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cream-dim);
}

.role-tag::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--dot, var(--gold));
}

.role-card p {
  font-size: 0.92rem;
}

/* ---------- Features ---------- */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 22px;
}

.feature {
  padding: 24px;
  border-radius: 14px;
  background: var(--panel);
  border: 1px solid var(--hairline);
  display: grid;
  gap: 10px;
  align-content: start;
}

.feature-icon {
  width: 34px;
  height: 34px;
  color: var(--gold);
}

.feature h3 {
  font-size: 1rem;
}

.feature p {
  font-size: 0.9rem;
  margin: 0;
}

/* ---------- Download ---------- */

.download-section {
  background: radial-gradient(120% 140% at 50% 0%, rgba(242, 201, 76, 0.08), transparent 60%), var(--ink);
  border-top: 1px solid var(--hairline);
}

.download-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  background: var(--panel-raised);
  border: 1px solid var(--hairline);
  border-radius: 20px;
  padding: clamp(24px, 4vw, 44px);
}

.download-specs {
  display: grid;
  gap: 8px;
  font-family: var(--font-spec);
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
}

.download-specs dt {
  color: var(--cream-dim);
  display: inline;
}

.download-specs dd {
  display: inline;
  margin: 0 0 0 8px;
  color: var(--cream);
  font-weight: 600;
}

.download-specs .spec-row {
  display: flex;
  gap: 8px;
}

.download-cta {
  display: grid;
  justify-items: center;
  gap: 10px;
}

.download-cta .btn-primary {
  font-size: 1.1rem;
  padding: 18px 34px;
}

.download-note {
  font-size: 0.78rem;
  color: var(--cream-dim);
  text-align: center;
  max-width: 22ch;
}

@media (max-width: 720px) {
  .download-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .download-specs {
    justify-items: center;
  }
}

.install-steps {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.install-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.install-step .num {
  font-family: var(--font-spec);
  font-weight: 700;
  color: var(--ink);
  background: var(--gold);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.install-step p {
  margin: 0;
  font-size: 0.9rem;
}

/* ---------- Footer ---------- */

.site-footer {
  padding-block: 32px;
  text-align: center;
  border-top: 1px solid var(--hairline);
}

.site-footer p {
  margin-inline: auto;
  font-size: 0.85rem;
  color: var(--cream-dim);
}

/* ---------- Reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}