/* ===================================
   Smart Teacher — Coming Soon Page
   RTL-first, Dark Theme, Premium Design
   =================================== */

/* --- CSS Custom Properties --- */
:root {
    --color-primary: #19325A;
    --color-accent: #00D4AA;
    --color-accent-2: #6366F1;
    --color-bg: #0F172A;
    --color-surface: #1E293B;
    --color-surface-light: #273549;
    --color-text: #E2E8F0;
    --color-text-muted: #94A3B8;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-glow-accent: rgba(0, 212, 170, 0.15);
    --color-glow-purple: rgba(99, 102, 241, 0.15);

    --font-family: 'Noto Sans Arabic', 'Segoe UI', Tahoma, sans-serif;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 60px rgba(0, 212, 170, 0.08);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    direction: rtl;
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #33e6c0;
}

/* --- Animated Background --- */
.page-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.page-bg__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    animation: orbFloat 20s ease-in-out infinite;
}

.page-bg__orb--1 {
    width: 600px;
    height: 600px;
    background: var(--color-accent);
    top: -200px;
    left: -100px;
    opacity: 0.12;
    animation-duration: 25s;
}

.page-bg__orb--2 {
    width: 500px;
    height: 500px;
    background: var(--color-accent-2);
    bottom: -150px;
    right: -100px;
    opacity: 0.1;
    animation-duration: 30s;
    animation-delay: -5s;
}

.page-bg__orb--3 {
    width: 350px;
    height: 350px;
    background: var(--color-primary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.15;
    animation-duration: 22s;
    animation-delay: -10s;
}

@keyframes orbFloat {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(40px, -30px) scale(1.05);
    }

    50% {
        transform: translate(-20px, 50px) scale(0.95);
    }

    75% {
        transform: translate(30px, 20px) scale(1.02);
    }
}

/* --- Grid Lines Background --- */
.page-bg__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* --- Main Layout --- */
.page-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Header / Navbar --- */
.header {
    padding: 24px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: fadeSlideDown 0.8s ease-out;
}

.header__brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header__logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(0, 212, 170, 0.3));
}

.header__name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.header__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
    animation: pulse-border 3s ease-in-out infinite;
}

.header__badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    animation: blink 2s ease-in-out infinite;
}

@keyframes pulse-border {

    0%,
    100% {
        border-color: rgba(0, 212, 170, 0.2);
    }

    50% {
        border-color: rgba(0, 212, 170, 0.5);
    }
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

/* --- Hero Section --- */
.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 24px 60px;
    gap: 32px;
}

.hero__icon {
    width: 120px;
    height: 120px;
    object-fit: contain;
    filter: drop-shadow(0 0 40px rgba(0, 212, 170, 0.25));
    animation: floatLogo 6s ease-in-out infinite;
}

@keyframes floatLogo {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-14px);
    }
}

.hero__content {
    max-width: 700px;
    animation: fadeSlideUp 1s ease-out 0.3s both;
}

.hero__title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-text-muted);
    line-height: 1.8;
    max-width: 560px;
    margin: 0 auto;
}

/* --- Coming Soon Label --- */
.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.12), rgba(99, 102, 241, 0.12));
    border: 1px solid rgba(0, 212, 170, 0.15);
    border-radius: 100px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-accent);
    backdrop-filter: blur(12px);
    animation: fadeSlideUp 1s ease-out 0.6s both;
    position: relative;
    overflow: hidden;
}

.coming-soon-badge::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
    transform: translateX(-100%);
    animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(100%);
    }

    100% {
        transform: translateX(-100%);
    }
}

/* --- Countdown Timer --- */
.countdown {
    display: flex;
    align-items: center;
    gap: 12px;
    direction: ltr;
    animation: fadeSlideUp 1s ease-out 0.8s both;
}

.countdown__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    min-width: 80px;
}

.countdown__number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text);
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    min-width: 80px;
    text-align: center;
    backdrop-filter: blur(12px);
    font-variant-numeric: tabular-nums;
    line-height: 1;
    letter-spacing: 2px;
    transition: color 0.3s ease;
}

.countdown__label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.countdown__separator {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    padding-bottom: 24px;
    animation: blink 1.5s ease-in-out infinite;
}

/* --- Features Section --- */
.features {
    padding: 20px 24px 80px;
    animation: fadeSlideUp 1s ease-out 0.9s both;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    position: relative;
    padding: 32px 28px;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(16px);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 212, 170, 0.2);
    box-shadow: var(--shadow-card), 0 0 40px rgba(0, 212, 170, 0.06);
}

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

.feature-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 20px;
    position: relative;
}

.feature-card__icon--teal {
    background: rgba(0, 212, 170, 0.12);
    color: var(--color-accent);
}

.feature-card__icon--purple {
    background: rgba(99, 102, 241, 0.12);
    color: var(--color-accent-2);
}

.feature-card__icon--blue {
    background: rgba(59, 130, 246, 0.12);
    color: #3B82F6;
}

.feature-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-text);
}

.feature-card__desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* --- Contact Section --- */
.contact {
    padding: 40px 24px 32px;
    text-align: center;
    animation: fadeSlideUp 1s ease-out 1.1s both;
}

.contact__inner {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 32px;
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(16px);
}

.contact__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.contact__text {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    line-height: 1.7;
}

.contact__links {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
}

.contact__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    transition: all 0.3s ease;
    font-family: var(--font-family);
}

.contact__link:hover {
    background: rgba(0, 212, 170, 0.1);
    border-color: rgba(0, 212, 170, 0.3);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.contact__link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* --- Footer --- */
.footer {
    text-align: center;
    padding: 24px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer__copyright {
    margin: 0;
}

.footer__heart {
    color: var(--color-accent);
}

.footer__dev {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
    margin: 0;
}

.footer__dev-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #25D366;
    font-weight: 600;
    padding: 4px 12px;
    background: rgba(37, 211, 102, 0.08);
    border: 1px solid rgba(37, 211, 102, 0.15);
    border-radius: 100px;
    transition: all 0.3s ease;
}

.footer__dev-link:hover {
    background: rgba(37, 211, 102, 0.15);
    border-color: rgba(37, 211, 102, 0.3);
    color: #2eec78;
    transform: translateY(-1px);
}

.footer__dev-link svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

/* --- Animations --- */
@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeSlideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .header {
        padding: 16px 20px;
    }

    .header__name {
        font-size: 1.1rem;
    }

    .header__badge {
        padding: 6px 14px;
        font-size: 0.75rem;
    }

    .hero {
        padding: 30px 20px 50px;
    }

    .hero__icon {
        width: 90px;
        height: 90px;
    }

    .features__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .feature-card {
        padding: 24px 20px;
    }

    .contact__inner {
        padding: 28px 20px;
    }

    .contact__links {
        flex-direction: column;
    }

    .contact__link {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 1.8rem;
    }

    .coming-soon-badge {
        font-size: 0.95rem;
        padding: 12px 28px;
    }

    .countdown {
        gap: 6px;
    }

    .countdown__item {
        min-width: 60px;
    }

    .countdown__number {
        font-size: 1.6rem;
        padding: 10px 8px;
        min-width: 60px;
    }

    .countdown__separator {
        font-size: 1.4rem;
        padding-bottom: 20px;
    }

    .countdown__label {
        font-size: 0.65rem;
    }
}