/* =========================================================
   SULEDU — Custom landing page (Arabic-first, RTL, mobile-first)
   Single file, scoped under .su- prefix. No Bootstrap dependency.
   ========================================================= */

:root {
    --su-bg:        #FFFFFF;
    --su-bg-alt:    #F8FAFC;
    --su-text:      #0F172A;
    --su-muted:     #64748B;
    --su-border:    #E2E8F0;
    --su-primary:   #06B6D4;
    --su-primary-d: #0891B2;
    --su-accent:    #F59E0B;
    --su-dark:      #0F172A;
    --su-blue:      #1E40AF;
    --su-radius:    14px;
    --su-shadow-sm: 0 4px 16px rgba(15,23,42,.06);
    --su-shadow:    0 18px 40px rgba(15,23,42,.12);
    --su-ease:      cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    scroll-behavior: smooth;
}
body {
    font-family: "Cairo", "Tajawal", "Segoe UI", "Noto Sans Arabic", -apple-system, sans-serif;
    color: var(--su-text);
    background: var(--su-bg);
    line-height: 1.6;
    direction: rtl;
    -webkit-font-smoothing: antialiased;
    text-size-adjust: 100%;
}

img, svg { max-width: 100%; height: auto; display: block; }

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

.su-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- Buttons ---------- */
.su-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    font-family: inherit;
    cursor: pointer;
    transition: all .25s var(--su-ease);
    border: 0;
    white-space: nowrap;
    text-align: center;
}
.su-btn-primary {
    background: linear-gradient(135deg, var(--su-primary) 0%, var(--su-blue) 100%);
    color: #FFFFFF;
    box-shadow: 0 8px 24px rgba(6,182,212,.35);
}
.su-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(6,182,212,.45);
}
.su-btn-ghost {
    background: rgba(255,255,255,.10);
    color: #FFFFFF;
    border: 1px solid rgba(255,255,255,.28);
    backdrop-filter: blur(8px);
}
.su-btn-ghost:hover { background: rgba(255,255,255,.18); }
.su-btn-outline {
    background: transparent;
    color: var(--su-primary);
    border: 1.5px solid var(--su-primary);
}
.su-btn-outline:hover {
    background: var(--su-primary);
    color: #FFFFFF;
}

/* =========================================================
   1. NAVIGATION
   ========================================================= */
.su-nav {
    position: fixed; top: 0; right: 0; left: 0; z-index: 100;
    transition: all .3s var(--su-ease);
    padding: 18px 0;
}
.su-nav.is-scrolled {
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(14px);
    box-shadow: 0 4px 20px rgba(15,23,42,.06);
    padding: 12px 0;
}
.su-nav__inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px;
}
.su-nav__logo img { max-height: 44px; width: auto; }
.su-nav__links {
    display: flex; align-items: center; gap: 28px;
    list-style: none; margin: 0; padding: 0;
}
.su-nav__links a {
    color: rgba(255,255,255,.86);
    font-weight: 500; font-size: 0.95rem;
    transition: color .2s;
}
.su-nav__links a:hover { color: #FFFFFF; }
.su-nav.is-scrolled .su-nav__links a { color: var(--su-text); }
.su-nav.is-scrolled .su-nav__links a:hover { color: var(--su-primary); }

.su-nav__cta {
    border-radius: 999px; padding: 9px 20px; font-size: 0.9rem; font-weight: 600;
    border: 1.5px solid rgba(255,255,255,.45);
    color: #FFFFFF; background: transparent;
    transition: all .2s;
}
.su-nav__cta:hover { background: #FFFFFF; color: var(--su-text); border-color: #FFFFFF; }
.su-nav.is-scrolled .su-nav__cta {
    border-color: var(--su-primary); color: var(--su-primary);
}
.su-nav.is-scrolled .su-nav__cta:hover {
    background: var(--su-primary); color: #FFFFFF;
}

.su-nav__toggle {
    display: none;
    background: transparent; border: 0; padding: 8px; cursor: pointer;
    color: #FFFFFF; font-size: 1.5rem;
}
.su-nav.is-scrolled .su-nav__toggle { color: var(--su-text); }

@media (max-width: 991px) {
    .su-nav__links { display: none; }
    .su-nav__cta   { display: none; }
    .su-nav__toggle { display: inline-flex; }
    .su-nav__inner.is-open .su-nav__links {
        display: flex; flex-direction: column;
        position: absolute; top: 100%; right: 16px; left: 16px;
        background: #FFFFFF; border-radius: var(--su-radius);
        padding: 20px; gap: 12px; align-items: stretch;
        box-shadow: var(--su-shadow);
    }
    .su-nav__inner.is-open .su-nav__links a { color: var(--su-text); }
    .su-nav__inner.is-open .su-nav__cta {
        display: inline-flex; background: var(--su-primary); color: #FFFFFF; border-color: var(--su-primary);
    }
}

/* =========================================================
   2. HERO
   ========================================================= */
.su-hero {
    position: relative;
    background: linear-gradient(135deg, #0F172A 0%, #1E40AF 50%, #0891B2 100%);
    color: #FFFFFF;
    padding: 130px 0 90px;
    overflow: hidden;
}
.su-hero::before, .su-hero::after {
    content: ''; position: absolute; border-radius: 50%;
    pointer-events: none; filter: blur(70px);
}
.su-hero::before {
    width: 540px; height: 540px;
    background: radial-gradient(circle, rgba(96,165,250,.35), transparent 70%);
    top: -240px; left: -160px;
}
.su-hero::after {
    width: 460px; height: 460px;
    background: radial-gradient(circle, rgba(6,182,212,.30), transparent 70%);
    bottom: -200px; right: -130px;
}

.su-hero__grid {
    display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px;
    align-items: center; position: relative; z-index: 2;
}
.su-hero__title {
    font-size: clamp(2rem, 3.5vw + 1rem, 3.4rem);
    font-weight: 800; line-height: 1.2; margin: 0 0 1rem;
    letter-spacing: -.005em;
}
.su-hero__title-grad {
    background: linear-gradient(120deg, #FFFFFF 0%, #BFDBFE 100%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.su-hero__lede {
    font-size: clamp(1rem, .5vw + .9rem, 1.15rem);
    color: rgba(255,255,255,.85);
    max-width: 580px; margin: 0 0 2rem;
}
.su-hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.su-hero__visual { display: flex; justify-content: center; }
.su-hero__visual img {
    max-width: 480px;
    filter: drop-shadow(0 30px 60px rgba(0,0,0,.3));
    animation: suFloat 6s ease-in-out infinite;
}
@keyframes suFloat {
    0%,100% { transform: translateY(0); }
    50%     { transform: translateY(-14px); }
}

@media (max-width: 991px) {
    .su-hero { padding: 110px 0 70px; }
    .su-hero__grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .su-hero__lede { margin-left: auto; margin-right: auto; }
    .su-hero__cta { justify-content: center; }
    .su-hero__visual img { max-width: 340px; }
}
@media (max-width: 575px) {
    .su-hero { padding: 100px 0 60px; }
    .su-hero__visual img { max-width: 260px; }
}

/* =========================================================
   3. STATS / TRUST STRIP
   ========================================================= */
.su-stats {
    background: #FFFFFF;
    padding: 60px 0;
    border-bottom: 1px solid var(--su-border);
}
.su-stats__grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px;
    text-align: center;
}
.su-stat__num {
    font-size: 2.4rem; font-weight: 800; color: var(--su-blue);
    line-height: 1;
}
.su-stat__label {
    color: var(--su-muted); font-size: .95rem; margin-top: 8px;
}
@media (max-width: 767px) {
    .su-stats { padding: 40px 0; }
    .su-stats__grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .su-stat__num { font-size: 1.85rem; }
}

/* =========================================================
   Section heading (shared)
   ========================================================= */
.su-section-head { text-align: center; margin-bottom: 50px; max-width: 720px; margin-left: auto; margin-right: auto; }
.su-eyebrow {
    display: inline-block;
    background: rgba(6,182,212,.10);
    color: var(--su-primary);
    font-size: .78rem; font-weight: 700;
    padding: 6px 14px;
    border-radius: 999px;
    letter-spacing: .05em;
    margin-bottom: 14px;
}
.su-h2 {
    font-size: clamp(1.7rem, 1.5vw + 1rem, 2.4rem);
    font-weight: 800; line-height: 1.25; margin: 0 0 14px;
    color: var(--su-text);
}
.su-section-head p {
    color: var(--su-muted);
    font-size: 1rem;
    margin: 0;
}

/* =========================================================
   4. FEATURES
   ========================================================= */
.su-features { background: var(--su-bg-alt); padding: 90px 0; }
.su-features__grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.su-feature {
    background: #FFFFFF;
    border: 1px solid var(--su-border);
    border-radius: var(--su-radius);
    padding: 32px 28px;
    transition: all .3s var(--su-ease);
    text-align: right;
}
.su-feature:hover {
    transform: translateY(-6px);
    border-color: var(--su-primary);
    box-shadow: var(--su-shadow);
}
.su-feature__icon {
    width: 58px; height: 58px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--su-primary) 0%, var(--su-blue) 100%);
    color: #FFFFFF;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 18px;
    box-shadow: 0 8px 20px rgba(6,182,212,.25);
}
.su-feature h3 {
    font-size: 1.18rem; font-weight: 700; margin: 0 0 8px;
    color: var(--su-text);
}
.su-feature p {
    color: var(--su-muted);
    margin: 0;
    line-height: 1.65;
    font-size: .95rem;
}
@media (max-width: 991px) {
    .su-features__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
    .su-features { padding: 60px 0; }
    .su-features__grid { grid-template-columns: 1fr; gap: 18px; }
    .su-feature { padding: 26px 22px; }
}

/* =========================================================
   5. HOW IT WORKS
   ========================================================= */
.su-how { background: #FFFFFF; padding: 90px 0; }
.su-how__grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px;
}
.su-how__step { text-align: center; padding: 0 12px; }
.su-how__num {
    width: 60px; height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--su-primary), var(--su-blue));
    color: #FFFFFF;
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 1.4rem;
    margin-bottom: 18px;
    box-shadow: 0 10px 28px rgba(6,182,212,.30);
}
.su-how__step h3 { font-size: 1.15rem; font-weight: 700; margin: 0 0 8px; }
.su-how__step p { color: var(--su-muted); margin: 0; }
@media (max-width: 767px) {
    .su-how { padding: 60px 0; }
    .su-how__grid { grid-template-columns: 1fr; gap: 30px; }
}

/* =========================================================
   6. PRICING
   ========================================================= */
.su-pricing { background: var(--su-bg-alt); padding: 90px 0; }
.su-pricing__grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
    align-items: stretch;
}
.su-plan {
    background: #FFFFFF;
    border: 2px solid var(--su-border);
    border-radius: 20px;
    padding: 36px 28px;
    display: flex; flex-direction: column;
    transition: all .3s var(--su-ease);
    position: relative;
}
.su-plan:hover { transform: translateY(-6px); box-shadow: var(--su-shadow); }
.su-plan--featured {
    border-color: var(--su-primary);
    box-shadow: 0 18px 40px rgba(6,182,212,.20);
}
.su-plan--featured::before {
    content: 'الأكثر طلباً';
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, var(--su-primary), var(--su-blue));
    color: #FFFFFF;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: .72rem; font-weight: 700; letter-spacing: .04em;
    box-shadow: 0 6px 14px rgba(6,182,212,.4);
}
.su-plan__name {
    font-size: 1.15rem; font-weight: 700; color: var(--su-text);
    margin: 0 0 6px;
}
.su-plan__price {
    display: flex; align-items: baseline; gap: 6px;
    margin: 14px 0 20px;
}
.su-plan__price-amt {
    font-size: 2.6rem; font-weight: 800;
    color: var(--su-blue); line-height: 1;
}
.su-plan__price-was {
    font-size: 1.1rem; color: var(--su-muted);
    text-decoration: line-through; opacity: .6;
}
.su-plan__price-per {
    color: var(--su-muted);
    font-size: .9rem;
}
.su-plan__features {
    list-style: none; margin: 0 0 24px; padding: 0;
    flex: 1;
}
.su-plan__features li {
    padding: 9px 0;
    color: var(--su-muted);
    font-size: .92rem;
    display: flex; align-items: center; gap: 10px;
    border-bottom: 1px solid var(--su-border);
}
.su-plan__features li:last-child { border-bottom: 0; }
.su-plan__features li::before {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    color: var(--su-primary);
    flex-shrink: 0;
}
.su-plan__cta { width: 100%; }
@media (max-width: 991px) {
    .su-pricing__grid { grid-template-columns: 1fr; gap: 20px; max-width: 440px; margin: 0 auto; }
}
@media (max-width: 575px) {
    .su-pricing { padding: 60px 0; }
    .su-plan { padding: 28px 22px; }
    .su-plan__price-amt { font-size: 2.1rem; }
}

/* =========================================================
   7. FAQ
   ========================================================= */
.su-faq { background: #FFFFFF; padding: 90px 0; }
.su-faq__list { max-width: 820px; margin: 0 auto; }
.su-faq__item {
    background: #FFFFFF;
    border: 1px solid var(--su-border);
    border-radius: var(--su-radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color .2s;
}
.su-faq__item.is-open { border-color: var(--su-primary); }
.su-faq__q {
    width: 100%;
    display: flex; align-items: center; justify-content: space-between;
    background: transparent;
    border: 0;
    padding: 18px 24px;
    font: inherit;
    font-weight: 600;
    color: var(--su-text);
    text-align: right;
    cursor: pointer;
    gap: 12px;
}
.su-faq__q::after {
    content: '\f078';
    font-family: 'Font Awesome 5 Free'; font-weight: 900;
    color: var(--su-muted);
    transition: transform .25s;
    font-size: .8rem;
}
.su-faq__item.is-open .su-faq__q::after { transform: rotate(180deg); color: var(--su-primary); }
.su-faq__a {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    color: var(--su-muted);
    transition: max-height .35s var(--su-ease), padding .35s var(--su-ease);
}
.su-faq__item.is-open .su-faq__a {
    padding: 0 24px 20px;
    max-height: 320px;
}
@media (max-width: 575px) {
    .su-faq { padding: 60px 0; }
    .su-faq__q { padding: 16px 18px; font-size: .95rem; }
    .su-faq__a { padding: 0 18px; }
    .su-faq__item.is-open .su-faq__a { padding: 0 18px 16px; }
}

/* =========================================================
   8. CTA BANNER
   ========================================================= */
.su-cta {
    background: linear-gradient(135deg, #0F172A 0%, #1E40AF 100%);
    color: #FFFFFF;
    padding: 80px 0;
    text-align: center;
    position: relative; overflow: hidden;
}
.su-cta::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(6,182,212,.18), transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(96,165,250,.18), transparent 50%);
    pointer-events: none;
}
.su-cta__inner { position: relative; z-index: 2; }
.su-cta h2 {
    font-size: clamp(1.6rem, 2vw + 1rem, 2.3rem);
    font-weight: 800; margin: 0 0 14px;
    color: #FFFFFF;
}
.su-cta p {
    color: rgba(255,255,255,.85);
    max-width: 560px; margin: 0 auto 28px;
}
.su-cta__buttons { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

/* =========================================================
   9. FOOTER
   ========================================================= */
.su-footer {
    background: var(--su-dark);
    color: rgba(255,255,255,.7);
    padding: 70px 0 0;
}
.su-footer__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 50px;
}
.su-footer__col h4 {
    color: #FFFFFF;
    font-size: 1rem; font-weight: 700; margin: 0 0 18px;
    letter-spacing: .03em;
}
.su-footer__col p { color: rgba(255,255,255,.65); margin: 0 0 16px; line-height: 1.75; }
.su-footer__col ul { list-style: none; margin: 0; padding: 0; }
.su-footer__col li { margin-bottom: 10px; }
.su-footer__col a { color: rgba(255,255,255,.65); transition: color .2s; }
.su-footer__col a:hover { color: var(--su-primary); }
.su-footer__logo img { max-height: 40px; margin-bottom: 18px; }

.su-footer__social {
    display: flex; gap: 8px; margin-top: 8px;
}
.su-footer__social a {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
    display: inline-flex; align-items: center; justify-content: center;
    color: #FFFFFF;
    transition: all .2s;
}
.su-footer__social a:hover {
    background: var(--su-primary);
    transform: translateY(-2px);
}

.su-footer__contact-item {
    display: flex; gap: 10px; align-items: center;
    margin-bottom: 10px; color: rgba(255,255,255,.7);
}
.su-footer__contact-item i { color: var(--su-primary); width: 18px; text-align: center; }

.su-footer__bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 22px 0;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 14px;
    font-size: .85rem;
}
.su-footer__copy { color: rgba(255,255,255,.55); margin: 0; }
.su-footer__pay {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.su-footer__pay-label {
    color: rgba(255,255,255,.55);
    font-size: .78rem;
    margin-left: 6px;
}
.su-footer__pay i {
    font-size: 1.6rem;
    color: rgba(255,255,255,.75);
    transition: color .2s;
}
.su-footer__pay i:hover { color: var(--su-primary); }

@media (max-width: 991px) {
    .su-footer__grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 575px) {
    .su-footer { padding-top: 50px; }
    .su-footer__grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 30px; }
    .su-footer__bottom { flex-direction: column; text-align: center; padding: 18px 0; }
    .su-footer__pay { justify-content: center; }
}

/* =========================================================
   Scroll-to-top
   ========================================================= */
.su-top {
    position: fixed; bottom: 24px; left: 24px; z-index: 99;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--su-primary), var(--su-blue));
    color: #FFFFFF;
    display: inline-flex; align-items: center; justify-content: center;
    box-shadow: 0 10px 24px rgba(6,182,212,.4);
    opacity: 0; visibility: hidden;
    transition: all .3s;
    border: 0; cursor: pointer; font-size: 1rem;
}
.su-top.is-visible { opacity: 1; visibility: visible; }
.su-top:hover { transform: translateY(-3px); }