:root {
    --primary: #ff7a1a;
    --primary-2: #ff9e53;
    --secondary: #23263a;
    --accent: #00c2a8;
    --bg: #fffdfb;
    --card: #ffffff;
    --text: #1b1d2a;
    --muted: #6d7385;
    --ring: rgba(255,122,26,.25);
    --shadow: 0 12px 40px rgba(0,0,0,.08);
    --radius: 16px;
    --glass: rgba(255,255,255,.5);
}

[data-theme="dark"] {
    --primary: #ff7a1a;
    --primary-2: #ff9e53;
    --secondary: #23263a;
    --accent: #00c2a8;
    --bg: #fffdfb;
    --card: #ffffff;
    --text: #1b1d2a;
    --muted: #6d7385;
    --ring: rgba(255,122,26,.25);
    --shadow: 0 12px 40px rgba(0,0,0,.08);
    --radius: 16px;
    --glass: rgba(255,255,255,.5);
}

 [data-theme="dark"] { 
     --bg: #0f1117; 
     --card: #141824; 
     --text: #eaeef5; 
     --muted: #9aa3b2; 
     --secondary: #0b0e16; 
     --glass: rgba(20,24,36,.55); 
     --shadow: 0 20px 60px rgba(0,0,0,.35); 
 } 

html {
    scroll-behavior: smooth;
}

body {
    font-family: "IRANYekan", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: radial-gradient(1800px 800px at 85% -10%, rgba(255,122,26,.07), transparent 60%), radial-gradient(1400px 700px at 0% 110%, rgba(0,194,168,.06), transparent 60%), var(--bg);
    color: var(--text);
    line-height: 1.9;
    overflow-x: hidden;
} 

/* Navbar */
.navbar {
    backdrop-filter: saturate(140%) blur(12px);
    background: linear-gradient(180deg, var(--glass), transparent);
    border-bottom: 1px solid rgba(255,255,255,.12);
}

.nav-link {
    color: var(--text);
    opacity: .85;
}

    .nav-link:hover, .nav-link.active {
        opacity: 1;
        color: var(--primary);
    }

.brand-logo {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    object-fit: contain;
    background: #fff;
    padding: 4px;
    box-shadow: var(--shadow);
}

.btn-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: #fff;
    border: 0;
    border-radius: 999px;
    padding: 10px 18px;
    font-weight: 800;
    box-shadow: 0 10px 25px var(--ring);
}

    .btn-cta:hover {
        transform: translateY(-2px);
    }




.btn-ghost {
    border-radius: 999px;
    padding: 10px 18px;
    font-weight: 700;
    border: 1px solid rgba(0,0,0,.08);
    background: var(--card);
    color: var(--text);
}

[data-theme="dark"] .btn-ghost {
    border-color: rgba(255,255,255,.12);
}

/* Hero */
.hero {
    position: relative;
    padding: 110px 0 70px;
    overflow: hidden;
}

    .hero::after {
        content: "";
        position: absolute;
        inset: -20% -10% auto;
        height: 70%;
        background: radial-gradient(800px 400px at 80% 20%, rgba(255,122,26,.12), transparent 60%), radial-gradient(600px 300px at 10% 100%, rgba(0,194,168,.10), transparent 60%);
        pointer-events: none;
    }

.hero-title {
    font-weight: 900;
    font-size: clamp(28px, 4.2vw, 48px);
    letter-spacing: -.2px;
}

.btn-center {
    align-content: center;
}

.hero-sub {
    color: var(--muted);
    font-size: clamp(15px, 2vw, 18px);
}

.bullet {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-inline-end: 16px;
    font-weight: 700;
    color: var(--text);
}

    .bullet i {
        color: var(--accent);
    }

/* Sections */
.section {
    padding: 90px 0;
}

.section-title {
    font-weight: 900;
    font-size: clamp(22px, 2.5vw, 32px);
    margin-bottom: 18px;
}

.section-lead {
    color: var(--muted);
    max-width: 720px;
    margin: 0 auto 36px;
}

/* Feature cards */
.feature-card {
    background: var(--card);
    border-radius: var(--radius);
    border: 1px solid rgba(0,0,0,.06);
    box-shadow: var(--shadow);
    height: 100%;
    padding: 22px;
    transition: transform .25s ease, box-shadow .25s ease;
}

[data-theme="dark"] .feature-card {
    border-color: rgba(255,255,255,.06);
}

.feature-card:hover {
    transform: translateY(-6px);
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    font-size: 22px;
    margin-bottom: 14px;
    background: radial-gradient(120px 80px at 50% 20%, rgba(255,122,26,.18), rgba(255,122,26,.04));
    color: var(--primary);
}

/* Stats */
.stat {
    background: var(--card);
    border: 1px solid rgba(0,0,0,.06);
    border-radius: var(--radius);
    padding: 22px;
    text-align: center;
    box-shadow: var(--shadow);
}

[data-theme="dark"] .stat {
    border-color: rgba(255,255,255,.06);
}

.stat .num {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: -.5px;
}

.stat .cap {
    color: var(--muted);
}

/* Tablet mockup (reusable) */
.tablet {
    position: relative;
    display: inline-block;
    filter: drop-shadow(0 18px 30px rgba(0,0,0,.15));
    transform: rotateY(-3deg) rotateX(1deg);
    transition: transform .4s ease;
}

    .tablet:hover {
        transform: rotateY(-1deg) rotateX(.5deg) translateY(-4px);
    }

.tablet-frame {
    position: relative;
    width: clamp(260px, 52vw, 460px);
    aspect-ratio: 3 / 4;
    background: #2c2c2c;
    border-radius: 28px;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.08), 0 0 0 1px rgba(0,0,0,.04);
}

.tablet-screen {
    position: absolute;
    inset: 12px;
    border-radius: 18px;
    overflow: hidden;
    background: #000;
}

    .tablet-screen img {
        width: 100%;
        height: 100%;
        object-fit: fill;
        display: block;
    }

.tablet-btns {
    position: absolute;
    inset-inline-end: -6px;
    inset-block-start: 25%;
    display: grid;
    gap: 12px;
}

.tablet-btn {
    width: 4px;
    height: 24px;
    background: #666;
    border-radius: 2px;
    box-shadow: 1px 0 2px rgba(0,0,0,.35);
}

.tablet-badge {
    position: absolute;
    inset-inline-start: -10px;
    inset-block-end: -10px;
    z-index: 3;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: #fff;
    border-radius: 14px;
    padding: 10px 14px;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255,255,255,.15);
}

[data-theme="dark"] .tablet-frame {
    background: #1b1b1b;
}

@media (max-width: 576px) {
    .tablet {
        transform: none;
    }

        .tablet:hover {
            transform: none;
        }

    .tablet-badge {
        position: static;
        margin-top: 10px;
        display: inline-flex;
    }

    .tablet-frame {
        width: min(90vw, 360px);
    }
}

/* Timeline */
.step {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 14px;
    align-items: start;
}

.step-dot {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #fff;
    color: var(--primary);
    display: grid;
    place-items: center;
    border: 2px dashed var(--primary);
}

.step + .step {
    margin-top: 18px;
}

/* Shots carousel */
.shots {
    display: grid;
    grid-auto-flow: column;
    gap: 16px;
    overflow: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 6px;
}

    .shots::-webkit-scrollbar {
        height: 8px;
    }

    .shots::-webkit-scrollbar-thumb {
        background: rgba(0,0,0,.2);
        border-radius: 999px;
    }

.shot {
    min-width: 280px;
    max-width: 360px;
    scroll-snap-align: start;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,.06);
}

[data-theme="dark"] .shot {
    border-color: rgba(255,255,255,.06);
}

/* Download */
.download {
    background: linear-gradient(135deg, var(--secondary), #0b0e16);
    color: #fff;
    border-radius: calc(var(--radius) + 8px);
    position: relative;
    overflow: hidden;
}

    .download::after {
        content: "";
        position: absolute;
        inset: 0;
        background: radial-gradient(600px 220px at 20% 0%, rgba(255,255,255,.08), transparent 60%), radial-gradient(500px 200px at 80% 100%, rgba(255,255,255,.06), transparent 60%);
        pointer-events: none;
    }

.store-btn {
    background: #fff;
    color: #111;
    border-radius: 999px;
    padding: 12px 20px;
    font-weight: 800;
    border: 0;
}

    .store-btn i {
        color: #1bbd5c;
    }

/* ثابت کردن جای آیکون + / - در آکاردئون FAQ */
.faq .accordion-button {
    position: relative;
    min-height: 56px;
    / ارتفاع یکنواخت / padding-inline-end: 2.5rem;
    / جا برای آیکن در انتهای سطر */
}


    .faq .accordion-button::after {
        position: absolute !important;
        inset-inline-end: 1rem;
        / فاصله ثابت از لبه انتهایی / top: 50%;
        transform: translateY(-50%) rotate(0deg);
        margin: 0 !important;
        / خنثی‌کردن margin:auto پیش‌فرض بوت‌استرپ */ transition: transform .2s ease;
    }

    /* حالت باز/بسته (چرخش فلش) */
    .faq .accordion-button:not(.collapsed)::after {
        transform: translateY(-50%) rotate(180deg);
    }

    /* اختیاری: جلوگیری از پرش‌های ریز هنگام فوکوس */
    .faq .accordion-button:focus {
        box-shadow: 0 0 0 .2rem rgba(255,122,26,.15);
    }


/* Footer */
footer {
    background: var(--secondary);
    color: #cfd5e3;
    padding-top: 60px;
    margin-top: 60px;
    border-top: 1px solid rgba(255,255,255,.06);
}

.social a {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.16);
    color: #cfd5e3;
    margin-inline: 6px;
}

    .social a:hover {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
    }

/* Utilities */
.fade-up {
    opacity: 0;
    transform: translateY(14px);
    transition: .6s ease;
}

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

.muted {
    color: var(--muted);
}

/* Theme toggle */
.theme-toggle {
    border: 0;
    background: var(--card);
    color: var(--text);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: none;
    place-items: center;
    border: 1px solid rgba(0,0,0,.08);
}

[data-theme="dark"] .theme-toggle {
    border-color: rgba(255,255,255,.12);
}

/* Back-to-top */
.back-top {
    position: fixed;
    inset-inline-end: 16px;
    inset-block-end: 16px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 0;
    background: var(--primary);
    color: #fff;
    display: grid;
    place-items: center;
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(20px);
    transition: .25s ease;
    z-index: 999;
}

    .back-top.show {
        opacity: 1;
        transform: translateY(0);
    }

/* Floating WhatsApp */
.fab-chat {
    position: fixed;
    inset-inline-start: 16px;
    inset-block-end: 16px;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: grid;
    place-items: center;
    box-shadow: var(--shadow);
    z-index: 999;
}

 @media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}