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

.skip-link{position:absolute;top:-100px;inset-inline-start:10px;background:#0F766E;color:#fff;padding:8px 16px;border-radius:0 0 8px 8px;z-index:200;font-weight:700;text-decoration:none;transition:top .2s}.skip-link:focus{top:0}

:root {
    --color-primary: #0F766E;
    --color-primary-hover: #115E59;
    --color-primary-light: #CCFBF1;
    --color-secondary: #14B8A6;
    --color-cta: #F97316;
    --color-cta-hover: #EA580C;
    --color-bg: #F0FDFA;
    --color-surface: #FFFFFF;
    --color-text: #134E4A;
    --color-text-muted: #477A74;
    --color-text-dim: #64748b;
    --color-success-bg: #DCFCE7;
    --color-success-border: #86EFAC;
    --color-success-text: #166534;
    --color-danger-bg: #FEE2E2;
    --color-danger-border: #FCA5A5;
    --color-danger-text: #991B1B;
    --color-warning-bg: #FEF3C7;
    --color-warning-border: #FCD34D;
    --color-warning-text: #92400E;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(13,148,136,.08), 0 4px 24px rgba(13,148,136,.06);
    --shadow-hover: 0 4px 12px rgba(13,148,136,.12), 0 8px 32px rgba(13,148,136,.08);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: Tajawal, Cairo, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior-y: contain;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    padding-left: env(safe-area-inset-left, 0px);
    padding-right: env(safe-area-inset-right, 0px);
}

html { scroll-padding-top: 70px; }

/* ── NAVBAR ── */
.navbar {
    background: var(--color-surface);
    border-bottom: 1px solid #E6F4F1;
    padding: 0 1.5rem;
    height: 64px;
    display: flex;
    align-items: center;
    box-shadow: 0 1px 2px rgba(0,0,0,.03);
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar-inner {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--color-primary);
    font-family: Tajawal, sans-serif;
    font-weight: 700;
    font-size: 1.15rem;
    flex-shrink: 0;
}
.navbar-brand span { white-space: nowrap; }
.navbar-logo { height: 36px; width: auto; }

/* Hamburger button */
.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 8px;
    margin-inline-start: auto;
    touch-action: manipulation;
    z-index: 101;
}
.nav-hamburger-line {
    display: block;
    width: 100%;
    height: 2.5px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.active .nav-hamburger-line:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-hamburger.active .nav-hamburger-line:nth-child(2) { opacity: 0; }
.nav-hamburger.active .nav-hamburger-line:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Backdrop overlay */
.nav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.35);
    z-index: 98;
}
.nav-backdrop.show { display: block; }

/* Nav menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-inline-start: auto;
}
.nav-menu-inner { display: flex; gap: 0.25rem; align-items: center; }
.nav-link {
    padding: 0.4rem 0.65rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--color-text-dim);
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
}
.nav-link:hover { background: var(--color-bg); color: var(--color-primary); }
.nav-lang {
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}
.nav-lang:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* Mobile nav */
@media (max-width: 768px) {
    .nav-hamburger { display: flex; }
    .navbar-brand span { font-size: 0.95rem; }
    .nav-menu {
        position: fixed;
        top: 0;
        inset-inline-end: 0;
        width: 260px;
        height: 100%;
        background: var(--color-surface);
        box-shadow: -4px 0 20px rgba(0,0,0,.1);
        z-index: 99;
        padding: 80px 1.5rem 1.5rem;
        flex-direction: column;
        align-items: stretch;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
    }
    [dir="rtl"] .nav-menu { box-shadow: 4px 0 20px rgba(0,0,0,.1); transform: translateX(-100%); }
    [dir="ltr"] .nav-menu { transform: translateX(100%); }
    .nav-link { text-align: center; padding: 0.85rem 1rem; font-size: 1rem; border-radius: 10px; }
    .nav-menu.open { transform: translateX(0); }
    .nav-menu-inner { flex-direction: column; align-items: stretch; gap: 0.5rem; }
}

/* ── MAIN ── */
.main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
}
.container { width: 100%; max-width: 720px; }

/* ── HERO ── */
.hero { text-align: center; margin-bottom: 2.5rem; }
.hero-logo { height: 52px; width: auto; margin-bottom: 1rem; }
.hero h1 {
    font-family: Tajawal, sans-serif;
    font-weight: 800;
    font-size: 2rem;
    color: var(--color-text);
    margin-bottom: .5rem;
}
[dir="ltr"] .hero h1 {
    letter-spacing: -.5px;
}
.hero p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 480px;
    margin: 0 auto;
}

/* ── SEARCH ── */
.search-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.75rem;
    transition: box-shadow var(--transition);
}
.search-card:focus-within { box-shadow: var(--shadow-hover); }
.search-form { display: flex; gap: .5rem; align-items: stretch; }
.search-input {
    flex: 1;
    min-width: 0;
    padding: .85rem 1.25rem;
    border: 2px solid #E2E8F0;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text);
    background: #FAFFFD;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.search-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}
.search-input::placeholder { color: #A0C4BF; }
.tld-select {
    width: 100%;
    padding: 0.85rem 1rem;
    padding-inline-start: 2rem;
}
.tld-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
    background: #CCFBF1;
}
.btn-check {
    padding: .85rem 2rem;
    background: var(--color-cta);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), transform 100ms ease;
    white-space: nowrap;
}
.btn-check:hover { background: var(--color-cta-hover); }
.btn-check:active { transform: scale(.97); }
.btn-check:focus-visible {
    outline: 2px solid var(--color-cta);
    outline-offset: 2px;
}

/* ── RESULT ── */
.result {
    margin-top: 1.25rem;
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.5rem;
    font-size: .95rem;
    line-height: 1.7;
    animation: fadeIn 250ms ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}
.result-available {
    background: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    color: var(--color-success-text);
}
.result-taken {
    background: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
    color: var(--color-danger-text);
}
.result-error {
    background: var(--color-warning-bg);
    border: 1px solid var(--color-warning-border);
    color: var(--color-warning-text);
}
.result-label { font-weight: 700; font-size: 1.1rem; margin-bottom: .15rem; }
.result-meta { font-size: .85rem; opacity: .85; margin-top: .4rem; }

/* ── FEATURES ── */
.features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 2.5rem;
}
.feature-card {
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition);
    text-align: center;
}
.feature-card:hover { box-shadow: var(--shadow-hover); }
.feature-icon { font-size: 1.6rem; margin-bottom: .5rem; }
.feature-card h3 {
    font-family: Tajawal, sans-serif;
    font-weight: 700;
    font-size: .95rem;
    color: var(--color-primary);
    margin-bottom: .35rem;
}
.feature-card p {
    font-size: .82rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* ── FOOTER ── */
.footer {
    flex-shrink: 0;
    border-top: 1px solid #E6F4F1;
    padding: 0.75rem 1rem;
    font-size: .85rem;
    color: var(--color-text-muted);
    background: var(--color-surface);
    text-align: center;
}
.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}
.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.25rem 1.25rem;
}
.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
    white-space: nowrap;
}
.footer-links a:hover {
    color: var(--color-primary);
}
.footer-copy {
    word-break: break-word;
    text-align: center;
    font-size: .82rem;
    color: var(--color-text-muted);
}

@media (max-width: 600px) {
    .footer-links {
        justify-content: center;
        gap: 0.5rem 1rem;
    }
    .footer-links a {
        font-size: 0.8rem;
        padding: 0.25rem 0;
    }
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .hero h1 { font-size: 1.5rem; }
    .hero p  { font-size: .95rem; }
    .search-form { flex-wrap: wrap; }
    .tld-select { flex: 0 0 auto; }
    .btn-check { flex: 1 1 auto; }
    .features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .main { padding: 1.5rem 1rem; }
    .features { grid-template-columns: 1fr; }
    .search-card { padding: 1.25rem; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}