/* ===== NITROS | TECH — Black & Gold Design ===== */

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

:root {
    --bg-body: #050505;
    --bg-deep: #000000;
    --bg-card: #0e0e10;
    --bg-card-2: #151518;
    --bg-header: rgba(5, 5, 5, 0.72);
    --accent-gold: #f5c518;
    --accent-gold-deep: #d4a017;
    --accent-gold-soft: rgba(245, 197, 24, 0.1);
    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --text-muted: #6b6b74;
    --border-color: #1e1e23;
    --border-hover: #3a3a42;
    --gold-glow: rgba(245, 197, 24, 0.35);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.75;
    overflow-x: hidden;
}

#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 2;
}

/* ===== شريط تقدم التمرير ===== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-gold-deep), var(--accent-gold));
    box-shadow: 0 0 12px var(--gold-glow);
    z-index: 100;
    transition: width 0.08s linear;
}

/* ===== Animations ===== */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes glowPulse {
    0% { box-shadow: 0 0 6px rgba(245, 197, 24, 0.25); }
    50% { box-shadow: 0 0 24px rgba(245, 197, 24, 0.55); }
    100% { box-shadow: 0 0 6px rgba(245, 197, 24, 0.25); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
    0% { background-position: 200% center; }
    100% { background-position: -200% center; }
}

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

@keyframes hintPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245, 197, 24, 0.3); }
    50% { box-shadow: 0 0 22px 5px rgba(245, 197, 24, 0.15); }
}

/* ===== الهيدر ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
}

header.scrolled {
    background: var(--bg-header);
    backdrop-filter: blur(18px) saturate(160%);
    border-bottom-color: var(--border-color);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    direction: ltr;
}

.brand-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(245, 197, 24, 0.4);
    box-shadow: 0 0 14px rgba(245, 197, 24, 0.25);
}

.brand-icon .brand-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
}

.brand-text {
    font-weight: 800;
    font-size: 1.08rem;
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    white-space: nowrap;
}

.brand-pipe {
    color: var(--text-muted);
    font-weight: 400;
}

.brand-highlight {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-deep));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: 1.4rem;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 600;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

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

.nav-link.active {
    color: var(--accent-gold);
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    right: 0;
    left: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent-gold-deep), var(--accent-gold));
}

.btn-nav-cta {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-deep));
    color: #050505;
    padding: 0.4rem 1.05rem;
    border-radius: 999px;
    font-weight: 800;
    font-size: 0.85rem;
    box-shadow: 0 0 14px rgba(245, 197, 24, 0.3);
    transition: transform 0.15s, box-shadow 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.btn-nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 24px rgba(245, 197, 24, 0.55);
}

.mobile-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 0.35rem;
    cursor: pointer;
    font-size: 16px;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 0.65rem;
    padding: 0.85rem 0 0.5rem;
}

section {
    margin-bottom: 4rem;
}

/* ===== Intro: الشاشة الافتتاحية للفيديو ===== */
.intro {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.intro-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
    will-change: transform;
}

.intro-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        radial-gradient(ellipse at 50% 60%, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.55) 70%, rgba(0, 0, 0, 0.9) 100%),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.45) 0%, transparent 30%, transparent 70%, var(--bg-body) 100%);
}

.intro-shade {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: var(--bg-deep);
    opacity: 0;
    transition: opacity 0.1s linear;
}

.intro-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 46rem;
    padding: 0 1.5rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    color: var(--accent-gold);
    padding: 0.25rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(245, 197, 24, 0.35);
    background: rgba(245, 197, 24, 0.08);
    backdrop-filter: blur(8px);
    margin-bottom: 1.1rem;
}

.hero-badge i {
    font-size: 0.7rem;
}

.intro-content h1 {
    font-size: clamp(1.9rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 0.75rem;
    text-shadow: 0 2px 30px rgba(0, 0, 0, 0.85);
    letter-spacing: -0.01em;
}

.intro-content h1 span {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #fff8d8 45%, var(--accent-gold-deep) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shimmer 4s ease-in-out infinite;
}

.hero-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 34rem;
    margin: 0 auto 1.6rem;
    text-shadow: 0 1px 14px rgba(0, 0, 0, 0.85);
}

.hero-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    justify-content: center;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.82rem 1.75rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-size: 0.96rem;
    font-weight: 800;
    font-family: 'Cairo', sans-serif;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-deep));
    color: #050505;
    box-shadow: 0 0 22px rgba(245, 197, 24, 0.35);
    transition: transform 0.15s, box-shadow 0.15s;
    animation: glowPulse 3s infinite;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 34px rgba(245, 197, 24, 0.6);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    cursor: pointer;
    border: 1px solid rgba(245, 197, 24, 0.4);
    background: rgba(5, 5, 5, 0.45);
    backdrop-filter: blur(8px);
    color: var(--text-primary);
    font-size: 0.92rem;
    font-weight: 600;
    font-family: 'Cairo', sans-serif;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.btn-outline:hover {
    border-color: var(--accent-gold);
    background: var(--accent-gold-soft);
    box-shadow: 0 0 18px rgba(245, 197, 24, 0.25);
}

.sound-hint {
    position: absolute;
    bottom: 5.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.3rem;
    background: rgba(5, 5, 5, 0.7);
    border: 1px solid rgba(245, 197, 24, 0.35);
    border-radius: 999px;
    color: var(--accent-gold);
    font-family: 'Cairo', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    animation: hintPulse 2s ease-in-out infinite;
    transition: opacity 0.4s ease, transform 0.4s ease;
    backdrop-filter: blur(6px);
}

.sound-hint.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%) translateY(8px);
}

.intro-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-muted);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    animation: scrollBounce 2s ease-in-out infinite;
    direction: ltr;
}

.intro-scroll i {
    font-size: 0.95rem;
    color: var(--accent-gold);
}

/* ===== المزايا ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
}

.feature-card {
    background: linear-gradient(160deg, var(--bg-card) 0%, var(--bg-deep) 100%);
    border-radius: 1rem;
    padding: 1.4rem 1.25rem;
    border: 1px solid var(--border-color);
    transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -60%;
    left: -60%;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle at 30% 30%, rgba(245, 197, 24, 0.08) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

.feature-card:hover {
    border-color: rgba(245, 197, 24, 0.45);
    transform: translateY(-4px);
    box-shadow: 0 10px 34px rgba(0, 0, 0, 0.6), 0 0 20px rgba(245, 197, 24, 0.08);
}

.feature-card:hover::before {
    opacity: 1;
}

.feat-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 0.7rem;
    background: var(--accent-gold-soft);
    color: var(--accent-gold);
    border: 1px solid rgba(245, 197, 24, 0.2);
}

.feat-title {
    font-size: 0.98rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.feat-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

/* ===== عناوين الأقسام ===== */
.section-head {
    text-align: center;
    margin-bottom: 1.75rem;
}

.section-head h2 {
    font-size: clamp(1.5rem, 3.5vw, 1.9rem);
    font-weight: 800;
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.section-head p {
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.pyramid-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.3rem;
    height: 1.3rem;
    flex-shrink: 0;
    filter: drop-shadow(0 0 8px rgba(245, 197, 24, 0.5));
}

.pyramid-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* ===== الفيديوهات ===== */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.video-card {
    background: linear-gradient(160deg, var(--bg-card) 0%, var(--bg-deep) 100%);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.video-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 1rem;
    padding: 1px;
    background: linear-gradient(135deg, transparent 40%, var(--accent-gold), transparent 60%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.video-card:hover::after {
    opacity: 1;
}

.video-card:hover {
    transform: translateY(-6px);
    border-color: rgba(245, 197, 24, 0.5);
    box-shadow: 0 14px 44px rgba(0, 0, 0, 0.7), 0 0 24px rgba(245, 197, 24, 0.12);
}

.video-number {
    position: absolute;
    top: 0.6rem;
    right: 0.9rem;
    font-size: 0.75rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
    letter-spacing: 0.05em;
    z-index: 5;
    pointer-events: none;
    font-family: 'Cairo', sans-serif;
    background: rgba(245, 197, 24, 0.05);
    padding: 0.1rem 0.5rem;
    border-radius: 6px;
    border: 1px solid rgba(245, 197, 24, 0.08);
    transition: all 0.3s ease;
}

.video-card:hover .video-number {
    color: rgba(245, 197, 24, 0.4);
    border-color: rgba(245, 197, 24, 0.2);
}

.video-wrap {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    background: #000;
}

.video-wrap iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.video-info {
    padding: 0.7rem 0.95rem 0.85rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.65rem;
    background: rgba(14, 14, 16, 0.6);
}

.video-info-icon {
    color: var(--accent-gold);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.video-text-wrap {
    min-width: 0;
}

.video-tag {
    font-size: 0.72rem;
    color: var(--accent-gold-deep);
    font-weight: 700;
    display: block;
    line-height: 1.3;
}

.video-name {
    font-size: 0.86rem;
    font-weight: 700;
    display: block;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== التليجرام ===== */
.telegram-cta {
    text-align: center;
    padding: 2rem 0;
}

.btn-telegram {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.9rem 2.1rem;
    border-radius: 999px;
    border: 2px solid rgba(245, 197, 24, 0.5);
    background: var(--accent-gold-soft);
    color: var(--accent-gold);
    font-size: 1.02rem;
    font-weight: 800;
    font-family: 'Cairo', sans-serif;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(245, 197, 24, 0.2);
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s, color 0.2s;
}

.btn-telegram:hover {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-deep));
    color: #050505;
    box-shadow: 0 0 32px rgba(245, 197, 24, 0.5);
    transform: translateY(-2px);
}

/* ===== السياسات ===== */
.policies-wrap {
    max-width: 62rem;
    margin: 0 auto;
}

.policy-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    justify-content: center;
    margin-bottom: 1.1rem;
}

.policy-tab {
    padding: 0.38rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: 'Cairo', sans-serif;
    transition: border-color 0.2s, color 0.2s, background 0.2s, box-shadow 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.policy-tab.active {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    background: var(--accent-gold-soft);
    box-shadow: 0 0 16px rgba(245, 197, 24, 0.15);
}

.policy-box {
    background: linear-gradient(160deg, var(--bg-card) 0%, var(--bg-deep) 100%);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.35rem 1.4rem;
    min-height: 16rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

.policy-box h3 {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--accent-gold);
    margin-bottom: 0.65rem;
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.policy-box p,
.policy-box li {
    font-size: 0.87rem;
    color: var(--text-secondary);
    margin-bottom: 0.45rem;
}

.policy-box h4 {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--accent-gold);
    margin: 0.9rem 0 0.45rem;
}

.policy-box ul {
    padding-right: 1.1rem;
}

.policy-box li {
    margin-bottom: 0.3rem;
}

.policy-box a {
    color: var(--accent-gold);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s;
}

.policy-box a:hover {
    color: #fff8d8;
}

.policy-box strong {
    color: var(--text-primary);
}

/* ===== قسم التحميل النهائي ===== */
.final-download {
    text-align: center;
    padding: 2.5rem 0 1.5rem;
}

.final-download h2 {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.final-download p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 1.1rem;
}

/* ===== الفوتر ===== */
footer {
    border-top: 1px solid var(--border-color);
    padding: 1.4rem 0 1.8rem;
    text-align: center;
    font-size: 0.83rem;
    color: var(--text-muted);
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
    direction: ltr;
}

.footer-brand svg path {
    fill: var(--accent-gold);
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 0.25rem;
    margin-bottom: 0.35rem;
}

.footer-links .nav-link {
    color: var(--text-secondary);
}

.footer-links .nav-link:hover {
    color: var(--accent-gold);
}

/* ===== ظهور الأقسام عند التمرير ===== */
.fade-up {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 7px;
}
::-webkit-scrollbar-track {
    background: var(--bg-body);
}
::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold-deep);
}

/* ===== صفحة-داخلية: رأس الصفحة ===== */
.page-hero {
    position: relative;
    padding: 8.5rem 0 2.5rem;
    text-align: center;
    overflow: hidden;
    margin-bottom: 3.5rem;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(245, 197, 24, 0.1) 0%, transparent 60%),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.6) 0%, var(--bg-body) 100%);
    pointer-events: none;
}

.page-hero * {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    font-size: clamp(1.7rem, 4vw, 2.4rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
}

.page-hero p {
    color: var(--text-secondary);
    font-size: 0.98rem;
    max-width: 34rem;
    margin: 0 auto;
}

.crumb {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.78rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
    padding: 0.3rem 0.9rem;
    border: 1px solid rgba(245, 197, 24, 0.25);
    border-radius: 999px;
    background: var(--accent-gold-soft);
}

.crumb span {
    color: var(--text-secondary);
}

/* ===== خطوات الاستخدام ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
}

.step-card {
    background: linear-gradient(160deg, var(--bg-card) 0%, var(--bg-deep) 100%);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem 1.3rem;
    text-align: center;
    position: relative;
    transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s;
    overflow: hidden;
}

.step-card:hover {
    border-color: rgba(245, 197, 24, 0.5);
    transform: translateY(-4px);
    box-shadow: 0 12px 38px rgba(0, 0, 0, 0.6), 0 0 20px rgba(245, 197, 24, 0.08);
}

.step-num {
    width: 46px;
    height: 46px;
    margin: 0 auto 0.85rem;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-deep));
    color: #050505;
    font-weight: 800;
    font-size: 1.15rem;
    box-shadow: 0 0 20px rgba(245, 197, 24, 0.35);
}

.step-title {
    font-weight: 800;
    font-size: 1rem;
    margin-bottom: 0.35rem;
}

.step-desc {
    font-size: 0.84rem;
    color: var(--text-secondary);
}

/* ===== بطاقات المنصات (تحميل) ===== */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 46rem;
    margin: 0 auto;
}

.platform-card {
    background: linear-gradient(160deg, var(--bg-card) 0%, var(--bg-deep) 100%);
    border: 1px solid var(--border-color);
    border-radius: 1.1rem;
    padding: 2rem 1.6rem;
    text-align: center;
    transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s;
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: -70%;
    left: -70%;
    width: 140%;
    height: 140%;
    background: radial-gradient(circle at 30% 30%, rgba(245, 197, 24, 0.1) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

.platform-card:hover {
    border-color: rgba(245, 197, 24, 0.5);
    transform: translateY(-5px);
    box-shadow: 0 14px 44px rgba(0, 0, 0, 0.65), 0 0 24px rgba(245, 197, 24, 0.1);
}

.platform-card:hover::before {
    opacity: 1;
}

.platform-icon {
    font-size: 2.6rem;
    color: var(--accent-gold);
    margin-bottom: 0.8rem;
    display: inline-block;
}

.platform-card h3 {
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: 0.35rem;
}

.platform-card p {
    font-size: 0.87rem;
    color: var(--text-secondary);
    margin-bottom: 1.3rem;
}

/* ===== بطاقات التواصل ===== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
}

.contact-card {
    background: linear-gradient(160deg, var(--bg-card) 0%, var(--bg-deep) 100%);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.6rem 1.3rem;
    text-align: center;
    transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s;
}

.contact-card:hover {
    border-color: rgba(245, 197, 24, 0.5);
    transform: translateY(-4px);
    box-shadow: 0 12px 38px rgba(0, 0, 0, 0.6), 0 0 20px rgba(245, 197, 24, 0.08);
}

.contact-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    margin: 0 auto 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    background: var(--accent-gold-soft);
    color: var(--accent-gold);
    border: 1px solid rgba(245, 197, 24, 0.25);
}

.contact-card h3 {
    font-size: 1rem;
    font-weight: 800;
    margin-bottom: 0.3rem;
}

.contact-card p {
    font-size: 0.84rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.contact-card .btn-primary,
.contact-card .btn-outline {
    padding: 0.6rem 1.3rem;
    font-size: 0.85rem;
}

/* ===== شريط CTA ===== */
.cta-band {
    position: relative;
    text-align: center;
    padding: 3rem 1.5rem;
    max-width: 50rem;
    margin: 0 auto 4rem;
    border-radius: 1.4rem;
    border: 1px solid rgba(245, 197, 24, 0.35);
    background:
        radial-gradient(ellipse at 50% 0%, rgba(245, 197, 24, 0.14) 0%, transparent 65%),
        linear-gradient(160deg, var(--bg-card) 0%, var(--bg-deep) 100%);
    overflow: hidden;
}

.cta-band h2 {
    font-size: clamp(1.4rem, 3.5vw, 1.9rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.cta-band p {
    color: var(--text-secondary);
    font-size: 0.94rem;
    margin-bottom: 1.4rem;
}

.cta-band .hero-btns {
    justify-content: center;
}

/* ===== شبكة أقسام الرئيسية ===== */
.home-sections {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
    margin-bottom: 4rem;
}

.home-card {
    background: linear-gradient(160deg, var(--bg-card) 0%, var(--bg-deep) 100%);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.6rem 1.3rem;
    text-align: center;
    display: block;
    transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s;
    position: relative;
    overflow: hidden;
}

.home-card:hover {
    border-color: rgba(245, 197, 24, 0.5);
    transform: translateY(-5px);
    box-shadow: 0 14px 44px rgba(0, 0, 0, 0.65), 0 0 24px rgba(245, 197, 24, 0.1);
}

.home-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    margin: 0 auto 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-deep));
    color: #050505;
    box-shadow: 0 0 22px rgba(245, 197, 24, 0.3);
}

.home-card h3 {
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 0.35rem;
}

.home-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ===== ريسبونسف ===== */
@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .mobile-menu.open {
        display: flex;
    }
    .features-grid,
    .videos-grid,
    .steps-grid,
    .contact-grid,
    .home-sections,
    .platform-grid {
        grid-template-columns: 1fr;
    }
    .video-number {
        top: 0.3rem;
        right: 0.5rem;
        font-size: 0.65rem;
    }
    .intro {
        height: 100svh;
    }
    .intro-content h1 {
        font-size: clamp(1.6rem, 6.5vw, 2.1rem);
    }
    .hero-desc {
        font-size: 0.92rem;
    }
    .sound-hint {
        bottom: 5rem;
    }
}

@media (max-width: 480px) {
    .intro-content {
        padding: 0 1rem;
    }
    .btn-primary,
    .btn-outline {
        padding: 0.68rem 1.25rem;
        font-size: 0.88rem;
    }
}