/* ============================================================
   Camera Controller — website theme (dark / orange / amber)
   RTL-ready, Persian-first. Matches the app's look and feel.
   ============================================================ */

:root {
    --bg: #0A0A0E;
    --bg-2: #0F0F15;
    --card: #14141B;
    --card-2: #17171F;
    --border: #26262F;
    --accent: #FF6D00;
    --accent-2: #FF8A00;
    --amber: #FFB300;
    --text: #F2F2F4;
    --muted: #A3A3AE;
    --radius: 16px;
    --shadow: 0 10px 30px rgba(0, 0, 0, .45);
    --ease: cubic-bezier(.22, 1, .36, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: "Segoe UI", Tahoma, -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    direction: rtl;
    text-align: right;
    overflow-x: hidden;
}

::selection { background: rgba(255, 109, 0, .35); }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: 1000px; margin: 0 auto; padding: 0 22px; }

main { flex: 1; }

/* ---------- nav ---------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 10, 14, .82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    display: flex;
    align-items: center;
    gap: 18px;
    height: 66px;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 17px;
    color: var(--text);
    text-decoration: none;
    letter-spacing: .2px;
}
.nav-brand img { border-radius: 10px; box-shadow: 0 4px 14px rgba(0, 0, 0, .5); }
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-inline-start: auto;
}
.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 14.5px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 10px;
    transition: color .18s, background .18s;
}
.nav-links a:hover { color: var(--text); background: rgba(255, 255, 255, .06); }
.nav-links a.active { color: var(--amber); }

/* ---------- hero (index) ---------- */
.hero {
    text-align: center;
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(1100px 560px at 75% -12%, rgba(255, 109, 0, .22), transparent 62%),
        radial-gradient(900px 520px at 8% 112%, rgba(255, 179, 0, .14), transparent 62%),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, .02) 0 1px, transparent 1px 48px),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .02) 0 1px, transparent 1px 48px);
    pointer-events: none;
}

/* floating gradient orbs */
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: .55;
    pointer-events: none;
    animation: orbFloat 16s var(--ease) infinite alternate;
}
.orb-1 {
    width: 420px; height: 420px;
    top: -140px; inset-inline-end: -120px;
    background: radial-gradient(circle, rgba(255, 109, 0, .55), transparent 70%);
}
.orb-2 {
    width: 360px; height: 360px;
    bottom: -120px; inset-inline-start: -110px;
    background: radial-gradient(circle, rgba(255, 179, 0, .45), transparent 70%);
    animation-delay: -6s;
    animation-duration: 20s;
}
.orb-3 {
    width: 240px; height: 240px;
    top: 40%; inset-inline-start: 30%;
    background: radial-gradient(circle, rgba(255, 61, 0, .35), transparent 70%);
    animation-delay: -11s;
    animation-duration: 24s;
}
@keyframes orbFloat {
    0%   { transform: translate3d(0, 0, 0) scale(1); }
    50%  { transform: translate3d(-40px, 34px, 0) scale(1.08); }
    100% { transform: translate3d(30px, -28px, 0) scale(.94); }
}

.hero-inner { position: relative; }
.hero-logo {
    display: inline-block;
    margin-bottom: 30px;
    animation: floatY 6s ease-in-out infinite;
}
.hero-logo img {
    width: 170px; height: 170px;
    filter: drop-shadow(0 18px 42px rgba(255, 109, 0, .35));
}
@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-14px); }
}
.hero h1 {
    font-size: clamp(34px, 6vw, 56px);
    font-weight: 800;
    letter-spacing: -.5px;
    line-height: 1.25;
    background: linear-gradient(180deg, #FFFFFF 30%, #C9C9D2 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero .tagline {
    margin-top: 16px;
    font-size: clamp(16px, 2.4vw, 20px);
    color: var(--muted);
    max-width: 680px;
    margin-inline: auto;
}
.hero-actions {
    margin-top: 38px;
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 32px;
    border-radius: 14px;
    font-size: 15.5px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform .16s var(--ease), box-shadow .16s, background .16s, border-color .16s;
}
.btn:active { transform: scale(.97); }
.btn-primary {
    background: linear-gradient(135deg, var(--accent-2), var(--accent));
    color: #fff;
    box-shadow: 0 14px 30px rgba(255, 109, 0, .35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 38px rgba(255, 109, 0, .5); }
.btn-ghost {
    background: rgba(255, 179, 0, .05);
    color: var(--amber);
    border-color: rgba(255, 179, 0, .4);
}
.btn-ghost:hover { border-color: var(--amber); background: rgba(255, 179, 0, .1); transform: translateY(-3px); }
.btn-sm { padding: 10px 20px; font-size: 13.5px; border-radius: 11px; }
.btn-block { width: 100%; justify-content: center; }
.btn.disabled {
    opacity: .55;
    pointer-events: none;
    box-shadow: none;
    transform: none;
    filter: saturate(.7);
}
.download-card { display: flex; flex-direction: column; }
.download-card .btn { margin-top: auto; }
.download-card h3 { margin-top: 4px; }

/* ---------- sections ---------- */
.section { padding: 26px 0 46px; }
.kicker {
    display: inline-block;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 10px;
}
.section-title { font-size: clamp(24px, 3.6vw, 34px); font-weight: 800; margin-bottom: 8px; }
.section-sub { color: var(--muted); margin-bottom: 30px; max-width: 620px; }

/* ---------- cards / grid ---------- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 18px;
}
.card {
    background: linear-gradient(180deg, var(--card-2), var(--card));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    transition: transform .22s var(--ease), border-color .22s;
}
.card:hover { transform: translateY(-6px); border-color: rgba(255, 179, 0, .4); }
.card .icon {
    color: var(--amber);
    margin-bottom: 14px;
    display: inline-flex;
    width: 54px; height: 54px;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    background: rgba(255, 109, 0, .1);
}
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14.5px; }

/* ---------- steps ---------- */
.steps { display: grid; gap: 14px; }
.step {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 22px;
    box-shadow: var(--shadow);
    transition: transform .22s var(--ease), border-color .22s;
}
.step:hover { transform: translateX(6px); border-color: rgba(255, 179, 0, .4); }
.step-num {
    flex: none;
    width: 44px; height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--accent-2), var(--accent));
    color: #fff;
    font-weight: 800;
    font-size: 18px;
    box-shadow: 0 8px 18px rgba(255, 109, 0, .35);
}
.step h4 { font-size: 16.5px; margin-bottom: 4px; }
.step p { color: var(--muted); font-size: 14.5px; }

/* ---------- page header ---------- */
.page-head { padding: 58px 0 28px; text-align: center; }
.page-head h1 { font-size: clamp(28px, 4.5vw, 42px); font-weight: 800; letter-spacing: -.4px; line-height: 1.3; }
.page-head p { color: var(--muted); margin-top: 8px; max-width: 660px; margin-inline: auto; }
.crumb { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.crumb a { color: var(--amber); text-decoration: none; }
.crumb a:hover { text-decoration: underline; }

/* ---------- prose ---------- */
.prose {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}
.prose p { color: var(--text); margin-bottom: 14px; font-size: 15.5px; }
.prose h2 { font-size: 21px; margin: 28px 0 12px; color: var(--amber); }
.prose h2:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-inline-start: 26px; margin-bottom: 14px; color: var(--text); }
.prose li { margin-bottom: 7px; }
.prose code {
    background: #0D0D12;
    border: 1px solid var(--border);
    padding: 2px 8px;
    border-radius: 7px;
    font-size: 13.5px;
    color: var(--amber);
    direction: ltr;
    unicode-bidi: embed;
}

/* ---------- help <details> ---------- */
details.help {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 14px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: border-color .2s;
}
details.help[open] { border-color: rgba(255, 179, 0, .45); }
details.help summary {
    cursor: pointer;
    padding: 18px 22px;
    font-weight: 700;
    font-size: 16px;
    color: var(--text);
    list-style: none;
    display: flex;
    align-items: center;
    gap: 12px;
}
details.help summary::-webkit-details-marker { display: none; }
details.help summary::before {
    content: "+";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: rgba(255, 109, 0, .16);
    color: var(--accent);
    font-weight: 800;
    flex: none;
    transition: transform .25s var(--ease);
}
details.help[open] summary::before { content: "–"; transform: rotate(180deg); }
details.help .body {
    padding: 0 24px 22px 22px;
    padding-inline-start: 60px;
    color: var(--muted);
    font-size: 15px;
}
details.help .body p { margin-bottom: 8px; }

/* ---------- owner panel ---------- */
.panel { max-width: 780px; }
.panel .field { margin-bottom: 18px; }
.panel label { display: block; font-size: 13.5px; font-weight: 700; color: var(--amber); margin-bottom: 7px; }
.panel input[type="text"], .panel input[type="email"], .panel input[type="password"],
.panel textarea {
    width: 100%;
    background: #0E0E14;
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 11px;
    padding: 12px 14px;
    font-size: 14.5px;
    font-family: inherit;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.panel textarea { resize: vertical; min-height: 110px; line-height: 1.7; }
.panel input:focus, .panel textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 109, 0, .18);
}
.panel .hint { font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.owner-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.owner-tabs button {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    padding: 9px 16px;
    border-radius: 11px;
    font-weight: 700;
    font-size: 13.5px;
    cursor: pointer;
    transition: all .15s;
    font-family: inherit;
}
.owner-tabs button.active { color: #fff; border-color: var(--accent); background: rgba(255, 109, 0, .16); }
.owner-form { display: none; }
.owner-form.active { display: block; }
.alert {
    padding: 12px 16px;
    border-radius: 11px;
    font-size: 14px;
    margin-bottom: 18px;
}
.alert.ok { background: rgba(46, 204, 113, .12); border: 1px solid rgba(46, 204, 113, .4); color: #7BE3A8; }
.alert.err { background: rgba(231, 76, 60, .12); border: 1px solid rgba(231, 76, 60, .4); color: #FF9E93; }
.divider { border: none; border-top: 1px solid var(--border); margin: 26px 0; }

/* ---------- reveal on scroll ---------- */
.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: .06s; }
.d2 { transition-delay: .14s; }
.d3 { transition-delay: .22s; }

/* ---------- footer ---------- */
.footer {
    border-top: 1px solid var(--border);
    padding: 34px 0 40px;
    margin-top: 60px;
    background: linear-gradient(180deg, transparent, rgba(255, 109, 0, .05));
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
}
.footer .brand { color: var(--muted); font-size: 14px; }
.footer .links { display: flex; gap: 16px; }
.footer .links a { color: var(--muted); text-decoration: none; font-size: 13.5px; }
.footer .links a:hover { color: var(--amber); }

/* ---------- responsive ---------- */
@media (max-width: 640px) {
    .nav-inner { height: auto; flex-direction: column; padding: 14px 0; gap: 10px; }
    .nav-links { margin-inline-start: 0; }
    .hero { padding: 70px 0 56px; }
    .hero-logo img { width: 130px; height: 130px; }
    .prose { padding: 24px 20px; }
    .step:hover { transform: none; }
}