:root {
  color-scheme: dark;
  --bg: #050505;
  --panel: #0b0b0c;
  --panel-soft: #101012;
  --line: rgba(255,255,255,.11);
  --line-strong: rgba(255,255,255,.22);
  --text: #f4f4f2;
  --muted: #9a9a9e;
  --silver: #d7d7d4;
  --accent: #ffffff;
  --danger: #ff726f;
  --success: #9ee4ba;
  font-family: Inter, "SF Pro Display", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .16; 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='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.15'/%3E%3C/svg%3E"); z-index: 10; }
a { color: inherit; }
.ambient { position: absolute; border-radius: 50%; filter: blur(110px); pointer-events: none; }
.ambient-one { width: 440px; height: 440px; top: 80px; right: -160px; background: rgba(255,255,255,.08); }
.ambient-two { width: 360px; height: 360px; top: 860px; left: -220px; background: rgba(125,143,164,.08); }

.site-header { width: min(1180px, calc(100% - 48px)); height: 94px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); position: relative; z-index: 2; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.language-picker { height: 42px; display: flex; align-items: center; gap: 7px; padding: 0 10px; border: 1px solid var(--line); background: rgba(10,10,11,.86); }
.language-picker > span { color: #777; font-size: .72rem; }
.language-picker select { max-width: 112px; border: 0; outline: 0; background: transparent; color: #d5d5d7; font: inherit; font-size: .78rem; cursor: pointer; }
.language-picker option { background: #111; color: white; }
.brand { display: inline-flex; height: 56px; width: 156px; overflow: hidden; align-items: center; text-decoration: none; }
.brand img { width: 142px; height: 142px; object-fit: cover; }
.header-cta { text-decoration: none; font-size: .9rem; font-weight: 700; letter-spacing: .08em; padding: 12px 20px; border: 1px solid var(--line-strong); transition: .25s ease; }
.header-cta:hover { color: #050505; background: white; }

main { width: min(1180px, calc(100% - 48px)); margin: 0 auto; position: relative; z-index: 1; }
.hero { min-height: 690px; display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 72px; padding: 74px 0 82px; border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 22px; color: #b8b8bc; font-size: .75rem; font-weight: 700; letter-spacing: .22em; }
.eyebrow span { display: inline-block; width: 28px; height: 1px; background: #aaa; margin: 0 12px 4px 0; }
h1 { margin: 0; display: flex; flex-direction: column; align-items: flex-start; line-height: .95; letter-spacing: -.045em; font-weight: 450; }
h1 > span { font-size: clamp(2.15rem, 4.4vw, 4rem); }
h1 strong { display: block; margin: 12px 0 10px; font-size: clamp(6.5rem, 13.5vw, 11.5rem); line-height: .78; letter-spacing: -.09em; font-weight: 790; background: linear-gradient(180deg,#fff 10%,#858585 92%); color: transparent; -webkit-background-clip: text; background-clip: text; filter: drop-shadow(0 14px 26px rgba(255,255,255,.08)); }
h1 small { font-size: .23em; letter-spacing: .03em; vertical-align: .56em; }
.hero-description { max-width: 660px; margin: 30px 0 0; color: var(--muted); font-size: 1.05rem; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 38px; }
.primary-button, .submit-button, dialog > a { display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; background: #f1f1ef; color: #080808; text-decoration: none; font-weight: 760; padding: 17px 20px; border: 0; cursor: pointer; transition: transform .2s ease, background .2s ease; }
.primary-button:hover, .submit-button:hover, dialog > a:hover { transform: translateY(-2px); background: #fff; }
.text-link { color: #c2c2c5; text-underline-offset: 6px; font-size: .92rem; }
.hero-notes { margin-top: 64px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.hero-notes div { padding: 17px 14px 0 0; display: flex; flex-direction: column; gap: 8px; }
.hero-notes b { color: #ececea; font-size: .72rem; letter-spacing: .15em; }
.hero-notes span { color: #858589; font-size: .78rem; line-height: 1.5; }

.reward-card { aspect-ratio: 4 / 5; position: relative; padding: 36px; border: 1px solid var(--line-strong); overflow: hidden; background: radial-gradient(circle at 70% 20%,rgba(255,255,255,.12),transparent 35%), linear-gradient(145deg,#141416,#070708 65%); box-shadow: 0 40px 100px rgba(0,0,0,.55); }
.reward-card::before { content: ""; position: absolute; width: 380px; height: 380px; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; top: 100px; left: 48px; box-shadow: 0 0 0 42px rgba(255,255,255,.025), 0 0 0 82px rgba(255,255,255,.018); }
.reward-card::after { content: ""; position: absolute; width: 170%; height: 1px; background: linear-gradient(90deg,transparent,#777,transparent); transform: rotate(-35deg); left: -35%; top: 50%; }
.reward-top, .reward-footer { display: flex; align-items: center; justify-content: space-between; font-size: .64rem; letter-spacing: .15em; color: #aaa; position: relative; z-index: 1; }
.reward-top i { width: 6px; height: 6px; border-radius: 50%; background: white; box-shadow: 0 0 16px white; }
.reward-number { position: relative; z-index: 1; margin-top: 74px; font-size: clamp(7rem, 14vw, 11rem); font-weight: 760; letter-spacing: -.11em; line-height: .75; background: linear-gradient(145deg,#fff 20%,#666); color: transparent; -webkit-background-clip: text; background-clip: text; }
.reward-unit { position: relative; z-index: 1; margin: 24px 0 0 8px; font-size: 2.4rem; font-weight: 750; letter-spacing: .18em; }
.reward-label { position: relative; z-index: 1; margin: 14px 0 0 8px; color: #8b8b8e; font-size: .68rem; letter-spacing: .24em; }
.reward-footer { position: absolute; left: 36px; right: 36px; bottom: 32px; border-top: 1px solid var(--line); padding-top: 18px; }
.reward-footer span:first-child { color: white; font-weight: 800; font-size: .8rem; }

.application, .rules { padding: 112px 0; }
.application { display: grid; grid-template-columns: .58fr 1.42fr; gap: 86px; border-bottom: 1px solid var(--line); }
.section-heading h2 { margin: 0; font-size: clamp(2.25rem,4vw,3.7rem); line-height: 1.05; letter-spacing: -.045em; font-weight: 540; }
.section-heading > p:last-child { color: var(--muted); line-height: 1.75; margin: 24px 0 0; max-width: 480px; }

form { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 20px; }
.field { min-width: 0; }
.field-wide { grid-column: 1 / -1; }
label { font-size: .88rem; color: #d7d7d9; }
label em { color: #9e9ea2; font-style: normal; }
input:not([type="radio"]):not([type="checkbox"]) { width: 100%; height: 56px; margin-top: 10px; border: 1px solid var(--line); border-radius: 0; outline: none; background: var(--panel-soft); color: white; padding: 0 17px; font: inherit; font-size: .95rem; transition: border-color .2s, background .2s; }
input::placeholder { color: #626267; }
input:not([type="radio"]):not([type="checkbox"]):focus { border-color: #777; background: #141416; }
.field.invalid input:not([type="radio"]):not([type="checkbox"]) { border-color: rgba(255,114,111,.65); }
.error-message { display: block; min-height: 18px; color: var(--danger); font-size: .74rem; padding-top: 5px; }
.field-meta { display: grid; gap: 12px; color: #77777c; font-size: .78rem; }
.register-entry { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 9px 10px 9px 20px; border: 1px solid rgba(255,255,255,.28); background: linear-gradient(105deg,rgba(255,255,255,.07),rgba(255,255,255,.015)); color: #b8b8bc; font-size: .9rem; }
.register-entry a { min-width: 190px; min-height: 44px; display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 17px; background: #f2f2f0; color: #050505; text-decoration: none; font-size: .95rem; font-weight: 800; letter-spacing: .03em; transition: transform .2s ease, background .2s ease; }
.register-entry a:hover { transform: translateY(-2px); background: #fff; }
.register-entry a b { font-size: 1.1rem; }
.network-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 10px; }
.network-options label input { position: absolute; opacity: 0; pointer-events: none; }
.network-options label span { height: 50px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line); background: var(--panel-soft); color: #777; cursor: pointer; font-size: .8rem; font-weight: 700; letter-spacing: .05em; transition: .2s ease; }
.network-options label input:checked + span { border-color: #aaa; color: white; background: #18181a; box-shadow: inset 0 -2px 0 #bbb; }
.network-hint { margin: 10px 0 0; color: #7f7f83; font-size: .77rem; }
.input-suffix, .input-prefix { position: relative; }
.input-suffix input { padding-right: 70px !important; }
.input-suffix span { position: absolute; right: 16px; top: 30px; transform: translateY(-50%); color: #858589; font-size: .8rem; font-weight: 700; }
.input-prefix input { padding-left: 43px !important; }
.input-prefix > span { position: absolute; left: 17px; top: 30px; transform: translateY(-50%); color: #999; z-index: 1; }
.consent { display: flex; align-items: flex-start; gap: 11px; color: #929297; line-height: 1.6; cursor: pointer; }
.consent input { width: 17px; height: 17px; margin: 3px 0 0; accent-color: white; flex: 0 0 auto; }
.consent-error { margin-top: -24px; }
.submit-button { width: 100%; min-height: 60px; font-size: .95rem; }
.form-security { text-align: center; color: #737378; font-size: .76rem; margin: -5px 0 0; }
.form-security span { margin-right: 7px; }

.rules { display: grid; grid-template-columns: .58fr 1.42fr; gap: 86px; }
.rule-list { list-style: none; padding: 0; margin: 0; }
.rule-list li { display: grid; grid-template-columns: 64px 1fr; gap: 20px; align-items: start; padding: 25px 0; border-top: 1px solid var(--line); }
.rule-list li:last-child { border-bottom: 1px solid var(--line); }
.rule-list span { color: #6d6d71; font-size: .75rem; font-weight: 700; letter-spacing: .15em; }
.rule-list p { margin: -5px 0 0; color: #b6b6ba; line-height: 1.8; }
.rule-list strong { color: #eee; }

footer { width: min(1180px, calc(100% - 48px)); margin: 0 auto; min-height: 145px; border-top: 1px solid var(--line); display: flex; align-items: center; gap: 28px; color: #68686d; font-size: .74rem; letter-spacing: .04em; }
footer img { width: 90px; height: 60px; object-fit: cover; }
.footer-risk { margin-left: auto; }

dialog { width: min(500px, calc(100% - 32px)); border: 1px solid var(--line-strong); padding: 46px; background: #0c0c0e; color: white; box-shadow: 0 36px 100px rgba(0,0,0,.8); text-align: center; }
dialog::backdrop { background: rgba(0,0,0,.82); backdrop-filter: blur(8px); }
dialog .success-icon { width: 54px; height: 54px; margin: 0 auto 24px; display: grid; place-items: center; border: 1px solid #aaa; border-radius: 50%; color: var(--success); font-size: 1.35rem; }
dialog .eyebrow { margin-bottom: 14px; }
dialog h2 { margin: 0; font-size: 2rem; letter-spacing: -.03em; }
dialog p:not(.eyebrow) { color: #999; line-height: 1.7; margin: 18px 0 28px; }
dialog > a { width: 100%; }
#closeDialog { position: absolute; top: 12px; right: 14px; background: none; color: #888; border: 0; font-size: 1.65rem; cursor: pointer; }

html[dir="rtl"] body { direction: rtl; }
html[dir="rtl"] body { font-family: Tahoma, Arial, "Noto Sans Arabic", sans-serif; }
html[dir="rtl"] h1, html[dir="rtl"] .section-heading, html[dir="rtl"] .hero-copy { align-items: flex-start; text-align: right; }
html[dir="rtl"] h1 { width: 100%; letter-spacing: 0; line-height: 1.15; }
html[dir="rtl"] h1 > span { width: 100%; max-width: 660px; font-size: clamp(2.25rem, 4.1vw, 3.6rem); line-height: 1.35; }
html[dir="rtl"] h1 strong { direction: ltr; margin: 18px 0 20px auto; font-family: Inter, Arial, sans-serif; letter-spacing: -.09em; }
html[dir="rtl"] .hero-description { max-width: 620px; line-height: 2; }
html[dir="rtl"] .eyebrow span { margin: 0 0 4px 12px; }
html[dir="rtl"] .reward-top, html[dir="rtl"] .reward-footer { flex-direction: row-reverse; }
html[dir="rtl"] .register-entry { flex-direction: row-reverse; }
html[dir="rtl"] .input-prefix input { padding-left: 17px !important; padding-right: 43px !important; }
html[dir="rtl"] .input-prefix > span { left: auto; right: 17px; }
html[dir="rtl"] .reward-card { direction: ltr; text-align: left; }
html[dir="rtl"] .hero-actions { justify-content: flex-start; }
html[dir="rtl"] .primary-button, html[dir="rtl"] .submit-button, html[dir="rtl"] dialog > a { flex-direction: row-reverse; }
html[dir="rtl"] .hero-notes div, html[dir="rtl"] .field, html[dir="rtl"] .network-field, html[dir="rtl"] .rule-list p { text-align: right; }
html[dir="rtl"] .rule-list li { grid-template-columns: 1fr 64px; }
html[dir="rtl"] .rule-list li > span { grid-column: 2; grid-row: 1; text-align: left; }
html[dir="rtl"] .rule-list li > p { grid-column: 1; grid-row: 1; }
html[dir="rtl"] input:not([type="radio"]):not([type="checkbox"]) { direction: ltr; text-align: left; font-family: Inter, Arial, sans-serif; }
html[dir="rtl"] .input-suffix span { right: auto; left: 16px; direction: ltr; }
html[dir="rtl"] .input-suffix input { padding-right: 17px !important; padding-left: 70px !important; }
html[dir="rtl"] .network-options { direction: ltr; }
html[dir="rtl"] .network-hint, html[dir="rtl"] .error-message { text-align: right; }
html[dir="rtl"] .consent { text-align: right; }
html[dir="rtl"] .consent input { margin-left: 0; margin-right: 0; }
html[dir="rtl"] .form-security, html[dir="rtl"] dialog { text-align: center; }
html[dir="rtl"] #closeDialog { right: auto; left: 14px; }
html[dir="rtl"] footer { direction: rtl; }
html[dir="rtl"] .footer-risk { margin-left: 0; margin-right: auto; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 54px; }
  .reward-card { width: min(480px,100%); aspect-ratio: 1.12 / 1; }
  .reward-card::before { top: 30px; }
  .reward-number { margin-top: 52px; }
  .application, .rules { grid-template-columns: 1fr; gap: 56px; }
}

@media (max-width: 620px) {
  .site-header, main, footer { width: min(100% - 32px, 1180px); }
  .site-header { height: 76px; }
  .brand { height: 48px; width: 120px; }
  .brand img { width: 112px; height: 112px; }
  .header-cta { font-size: .75rem; padding: 10px 13px; }
  .header-actions { gap: 7px; }
  .language-picker { padding: 0 8px; }
  .language-picker select { max-width: 82px; }
  .hero { min-height: auto; padding: 58px 0 68px; }
  h1 > span { font-size: clamp(2rem, 10vw, 3.1rem); }
  h1 strong { font-size: clamp(6rem, 30vw, 8.8rem); margin: 14px 0 12px; }
  .hero-description { font-size: .96rem; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 18px; }
  .text-link { align-self: center; }
  .hero-notes { grid-template-columns: 1fr; gap: 12px; margin-top: 44px; }
  .hero-notes div { flex-direction: row; gap: 14px; }
  .reward-card { padding: 25px; }
  .reward-number { font-size: 8rem; }
  .reward-unit { font-size: 1.85rem; }
  .reward-footer { left: 25px; right: 25px; bottom: 22px; }
  .application, .rules { padding: 78px 0; }
  form { grid-template-columns: 1fr; }
  .field-wide { grid-column: auto; }
  .network-options { grid-template-columns: 1fr; }
  .register-entry { align-items: stretch; flex-direction: column; padding: 16px; font-size: .86rem; }
  .register-entry a { width: 100%; min-width: 0; min-height: 50px; }
  html[dir="rtl"] .register-entry { flex-direction: column; }
  html[dir="rtl"] h1 > span { font-size: clamp(1.9rem, 8.8vw, 2.8rem); line-height: 1.45; }
  html[dir="rtl"] h1 strong { margin: 14px 0 18px auto; font-size: clamp(5.5rem, 28vw, 8rem); }
  html[dir="rtl"] .hero-actions { align-items: stretch; }
  html[dir="rtl"] .rule-list li { grid-template-columns: 1fr 42px; }
  html[dir="rtl"] .footer-risk { margin: 10px 0 0; }
  .consent-error { margin-top: -24px; }
  .rule-list li { grid-template-columns: 42px 1fr; gap: 12px; }
  footer { padding: 35px 0; flex-wrap: wrap; gap: 10px 20px; }
  footer img { width: 72px; height: 48px; }
  .footer-risk { width: 100%; margin: 10px 0 0; }
  dialog { padding: 42px 26px 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}