/* ===========================================================
   وحید ضابط — Luxury Black/Red redesign
   Pure CSS, no build step. cPanel-friendly.
   =========================================================== */

:root {
    /* palette */
    --bg:           #080808;
    --bg-elev:      #101012;
    --ink:          #f5f3f1;
    --ink-soft:     #b9b4b0;
    --ink-faint:    #6f6a67;

    /* signature red */
    --red:          #e30613;
    --red-bright:   #ff2b38;
    --red-deep:     #8c0309;
    --red-glow:     rgba(227, 6, 19, .45);

    --line:         rgba(255, 255, 255, .08);
    --line-red:     rgba(227, 6, 19, .35);

    --radius:       16px;
    --radius-sm:    11px;
    --maxw:         1180px;

    --ease:         cubic-bezier(.22, 1, .36, 1);
    --font-fa:      "Vazirmatn", "Iranian Sans", "Tahoma", sans-serif;
    --font-en:      "Inter", "Segoe UI", "Helvetica Neue", Arial, "Vazirmatn", sans-serif;
    --font:         var(--font-fa);
}

/* English uses a Latin-first stack */
html[lang="en"] { --font: var(--font-en); }

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font);
    line-height: 1.7;
    direction: rtl;
    text-align: right;
    overflow-x: hidden;
    transition: opacity .3s var(--ease);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* ---------- ambient background layers ---------- */
.ambient {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background:
        radial-gradient(900px 600px at 78% 12%, rgba(227, 6, 19, .16), transparent 60%),
        radial-gradient(700px 500px at 12% 88%, rgba(140, 3, 9, .14), transparent 60%),
        radial-gradient(1200px 800px at 50% 50%, #0d0d0f, #060606 70%);
}

/* fine film grain for a premium, non-flat surface */
.grain {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: .045;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* thin inner luxury frame */
.frame {
    position: fixed;
    inset: 14px;
    z-index: 50;
    pointer-events: none;
    border: 1px solid var(--line);
    border-radius: 6px;
}
.frame::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: 6px;
    border: 1px solid transparent;
    background: linear-gradient(135deg, var(--line-red), transparent 30%, transparent 70%, var(--line-red)) border-box;
    -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
}

/* ---------- layout ---------- */
.stage {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: clamp(40px, 7vw, 96px) clamp(22px, 5vw, 64px) 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(28px, 5vw, 72px);
    align-items: center;
    min-height: 100vh;
}

/* ---------- hero / brand side ---------- */
.hero { position: relative; }

.kicker {
    display: inline-block;
    font-size: .72rem;
    letter-spacing: .18em;
    color: var(--red-bright);
    padding: 6px 14px;
    border: 1px solid var(--line-red);
    border-radius: 100px;
    background: rgba(227, 6, 19, .06);
    margin-bottom: 18px;
}

.hero__name {
    margin: 0;
    font-size: clamp(2.6rem, 7vw, 4.6rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -.01em;
    background: linear-gradient(180deg, #fff 0%, #cfcccb 100%);
    -webkit-background-clip: text;
            background-clip: text;
    color: transparent;
}

.hero__role {
    margin: 10px 0 0;
    font-size: clamp(1rem, 2.4vw, 1.35rem);
    font-weight: 500;
    color: var(--ink-soft);
}
.hero__role .dot { color: var(--red); margin: 0 6px; }

.portrait {
    position: relative;
    margin: clamp(26px, 4vw, 40px) 0;
    width: clamp(220px, 38vw, 320px);
    aspect-ratio: 318 / 332;
}
.portrait img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    filter: grayscale(100%) contrast(1.08);
    -webkit-mask-image: radial-gradient(120% 120% at 50% 35%, #000 60%, transparent 100%);
            mask-image: radial-gradient(120% 120% at 50% 35%, #000 60%, transparent 100%);
    transition: filter .6s var(--ease), transform .6s var(--ease);
}
.portrait:hover img { filter: grayscale(0%) contrast(1.05); transform: translateY(-4px); }
.portrait::after {
    content: "";
    position: absolute;
    inset: auto -8% -10% -8%;
    height: 60%;
    background: radial-gradient(60% 100% at 50% 100%, var(--red-glow), transparent 70%);
    filter: blur(18px);
    z-index: -1;
}
.portrait__tag {
    position: absolute;
    top: 8px;
    left: -6px;
    font-size: .8rem;
    font-weight: 800;
    letter-spacing: .15em;
    color: var(--red);
    border: 1px solid var(--line-red);
    border-radius: 8px;
    padding: 4px 9px;
    background: rgba(8, 8, 8, .6);
    backdrop-filter: blur(4px);
}

.hero__tagline {
    margin: 0;
    max-width: 38ch;
    font-size: clamp(.98rem, 1.7vw, 1.12rem);
    color: var(--ink-soft);
}
.hero__tagline strong { color: var(--ink); font-weight: 700; }

/* ---------- form panel ---------- */
.panel {
    position: relative;
    background: linear-gradient(180deg, rgba(20, 20, 22, .85), rgba(10, 10, 11, .9));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: clamp(24px, 3.5vw, 40px);
    backdrop-filter: blur(10px);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, .04) inset,
        0 30px 80px -30px rgba(0, 0, 0, .9);
}
.panel::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    padding: 1px;
    background: linear-gradient(160deg, var(--line-red), transparent 40%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
}

.panel__head { margin-bottom: 24px; }
.panel__title {
    margin: 0;
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    font-weight: 700;
}
.panel__sub {
    margin: 6px 0 0;
    color: var(--ink-faint);
    font-size: .95rem;
}

/* ---------- floating-label fields ---------- */
.field { position: relative; margin-bottom: 22px; }

.field__input {
    width: 100%;
    padding: 20px 16px 8px;
    background: var(--bg-elev);
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.6;
    outline: none;
    transition: border-color .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}
.field__input--area { resize: vertical; min-height: 110px; padding-top: 24px; }

.field__input::placeholder { color: transparent; }

.field__input:hover { border-color: rgba(255, 255, 255, .16); }
.field__input:focus {
    border-color: var(--red);
    background: #141416;
    box-shadow: 0 0 0 3px rgba(227, 6, 19, .14);
}

.field__label {
    position: absolute;
    inset-inline-start: 16px;
    top: 15px;
    color: var(--ink-faint);
    font-size: 1rem;
    pointer-events: none;
    transform-origin: right top;
    transition: transform .2s var(--ease), color .2s var(--ease), top .2s var(--ease);
}
/* lift label when focused or filled */
.field__input:focus + .field__label,
.field__input:not(:placeholder-shown) + .field__label {
    top: 7px;
    transform: scale(.78);
    color: var(--red-bright);
}

.field__hint {
    display: block;
    margin-top: 6px;
    font-size: .8rem;
    color: var(--ink-faint);
    padding-inline-start: 2px;
}

/* invalid state (set by JS on submit) */
.field.is-invalid .field__input {
    border-color: var(--red-deep);
    box-shadow: 0 0 0 3px rgba(140, 3, 9, .18);
}
.field.is-invalid .field__hint { color: var(--red-bright); }

/* ---------- submit button ---------- */
.submit {
    position: relative;
    width: 100%;
    margin-top: 6px;
    padding: 16px 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    border: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--red-bright), var(--red) 45%, var(--red-deep));
    box-shadow: 0 12px 30px -10px var(--red-glow);
    overflow: hidden;
    transition: transform .2s var(--ease), box-shadow .25s var(--ease), filter .25s var(--ease);
}
.submit::before {
    content: "";
    position: absolute;
    top: 0; left: -120%;
    width: 60%; height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .35), transparent);
    transform: skewX(-18deg);
    transition: left .7s var(--ease);
}
.submit:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -12px var(--red-glow); filter: brightness(1.05); }
.submit:hover::before { left: 130%; }
.submit:active { transform: translateY(0); }

.submit__icon { display: inline-flex; transition: transform .25s var(--ease); }
.submit:hover .submit__icon { transform: translateX(-4px); }

.submit__spinner {
    display: none;
    width: 18px; height: 18px;
    border: 2px solid rgba(255, 255, 255, .45);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* sending state */
.submit.is-loading { pointer-events: none; filter: saturate(.9) brightness(.95); }
.submit.is-loading .submit__text,
.submit.is-loading .submit__icon { display: none; }
.submit.is-loading .submit__spinner { display: inline-block; }

/* ---------- notes ---------- */
.form-note {
    margin: 14px 0 0;
    min-height: 1.2em;
    font-size: .92rem;
    text-align: center;
}
.form-note.is-error { color: var(--red-bright); }
.form-note.is-ok { color: #57d98a; }

.legal {
    margin: 14px 0 0;
    text-align: center;
    font-size: .76rem;
    color: var(--ink-faint);
}

/* ---------- footer ---------- */
.foot {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 26px clamp(22px, 5vw, 64px) 40px;
    display: flex;
    gap: 12px;
    align-items: center;
    color: var(--ink-faint);
    font-size: .85rem;
}
.foot__sep { color: var(--red); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); }
.reveal.in {
    opacity: 1;
    transform: none;
    transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.panel.reveal { transition-delay: .08s; }

/* ---------- responsive ---------- */
@media (max-width: 880px) {
    .stage {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
        padding-top: clamp(76px, 16vw, 100px);
    }
    .hero { display: flex; flex-direction: column; align-items: center; }
    .hero__tagline { margin-inline: auto; }
    .portrait { width: clamp(190px, 60vw, 260px); }
    .panel { text-align: right; }
    .foot { justify-content: center; }
}

@media (max-width: 420px) {
    .frame { inset: 8px; }
    .hero__name { font-size: clamp(2.1rem, 11vw, 2.8rem); }
}

/* ---------- accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .reveal { opacity: 1; transform: none; }
    html { scroll-behavior: auto; }
}

:focus-visible { outline: 2px solid var(--red-bright); outline-offset: 2px; }

/* ===========================================================
   Direction (LTR for English)
   =========================================================== */
html[dir="ltr"] body { direction: ltr; text-align: left; }
html[dir="ltr"] .panel { text-align: left; }
@media (max-width: 880px) {
    html[dir="ltr"] .panel { text-align: left; }
}

/* ===========================================================
   Top bar + language switch
   =========================================================== */
.topbar {
    position: fixed;
    top: 0; inset-inline: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px clamp(20px, 4vw, 40px);
    pointer-events: none;
}
.topbar > * { pointer-events: auto; }

.topbar__brand {
    font-weight: 800;
    letter-spacing: .18em;
    font-size: .9rem;
    color: var(--ink-soft);
    opacity: .8;
}

.langswitch {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 5px;
    border: 1px solid var(--line);
    border-radius: 100px;
    background: rgba(16, 16, 18, .7);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px -12px rgba(0, 0, 0, .8);
}
.langswitch__div { width: 1px; height: 16px; background: var(--line); }
.langswitch__btn {
    border: none;
    background: transparent;
    color: var(--ink-faint);
    font-family: inherit;
    font-weight: 700;
    font-size: .82rem;
    padding: 6px 14px;
    border-radius: 100px;
    cursor: pointer;
    transition: color .2s var(--ease), background .2s var(--ease);
}
.langswitch__btn:hover { color: var(--ink); }
.langswitch__btn[aria-pressed="true"] {
    color: #fff;
    background: linear-gradient(135deg, var(--red-bright), var(--red-deep));
    box-shadow: 0 4px 12px -4px var(--red-glow);
}

/* ===========================================================
   First-visit language overlay
   =========================================================== */
.lang-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(4, 4, 5, .82);
    backdrop-filter: blur(14px);
}
/* shown only when JS has no saved language */
.lang-overlay.show { display: flex; animation: ov-in .4s var(--ease); }
.lang-overlay.closing { animation: ov-out .42s var(--ease) forwards; }
/* if a language was already saved, the inline head script hides it pre-paint */
html.lang-ready .lang-overlay:not(.show) { display: none; }

@keyframes ov-in  { from { opacity: 0; } to { opacity: 1; } }
@keyframes ov-out { from { opacity: 1; } to { opacity: 0; visibility: hidden; } }

.lang-overlay__card {
    width: min(440px, 100%);
    text-align: center;
    padding: clamp(28px, 5vw, 44px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(20, 20, 22, .9), rgba(10, 10, 11, .95));
    box-shadow: 0 40px 100px -30px rgba(0, 0, 0, .9);
    animation: card-in .5s var(--ease) both;
}
@keyframes card-in { from { opacity: 0; transform: translateY(18px) scale(.98); } to { opacity: 1; transform: none; } }

.lang-overlay__mark {
    display: inline-grid;
    place-items: center;
    width: 56px; height: 56px;
    margin: 0 auto 18px;
    border-radius: 14px;
    font-weight: 800;
    letter-spacing: .12em;
    color: #fff;
    background: linear-gradient(135deg, var(--red-bright), var(--red-deep));
    box-shadow: 0 12px 28px -10px var(--red-glow);
}
.lang-overlay__title {
    margin: 0 0 24px;
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.5;
    color: var(--ink);
}
.lang-overlay__title span {
    display: block;
    margin-top: 4px;
    font-size: .9rem;
    font-weight: 500;
    color: var(--ink-faint);
}
.lang-overlay__btns { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 380px) { .lang-overlay__btns { grid-template-columns: 1fr; } }

.lang-choice {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 18px 14px;
    cursor: pointer;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--bg-elev);
    color: var(--ink);
    font-family: var(--font-fa);
    transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.lang-choice[data-lang="en"] { font-family: var(--font-en); }
.lang-choice strong { font-size: 1.2rem; font-weight: 800; }
.lang-choice span { font-size: .8rem; color: var(--ink-faint); }
.lang-choice:hover {
    transform: translateY(-3px);
    border-color: var(--red);
    background: #161618;
    box-shadow: 0 14px 30px -14px var(--red-glow);
}
.lang-choice:hover span { color: var(--ink-soft); }