:root {
    --color-primary: #FFB800;
    --color-primary-dark: #D49400;
    --color-primary-light: #FFD966;
    --color-primary-bg: rgba(255,184,0,0.15);
    --color-dark: #0D0D0D;
    --color-dark-alt: #1C1C1C;
    --color-white: #FFFFFF;
    --color-glass-dark: rgba(13,13,13,0.65);
    --color-glass-light: rgba(255,255,255,0.65);
    --color-glass-cream: rgba(255,253,245,0.65);
    --color-glass-off: rgba(252,250,247,0.65);
    --color-text: #1F2937;
    --color-text-light: #4B5563;
    --font: 'Vazirmatn', system-ui, sans-serif;
    --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
    --shadow-glass: 0 4px 30px rgba(0,0,0,0.08);
    --shadow-primary: 0 4px 24px rgba(255,184,0,0.35);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

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

html { scroll-behavior:smooth; scroll-padding-top:80px; }

body {
    font-family:var(--font);
    color:var(--color-text);
    line-height:1.8;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
}

a { text-decoration:none; color:inherit; }
ul { list-style:none; }
img { max-width:100%; height:auto; display:block; }
blockquote { margin:0; }

.container { max-width:1200px; margin:0 auto; padding:0 24px; position:relative; z-index:1; }

.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

/* ===== SITE FIXED BACKGROUND ===== */
.site-bg {
    position:fixed;
    inset:0;
    z-index:-1;
    background:var(--color-white);
}

.site-bg-img {
    width:100%;
    height:100%;
    object-fit:cover;
    opacity:1;
    filter:brightness(0.85) contrast(1.15);
    transform:scale(1.12);
    will-change:transform;
}

.hero-bright-mask {
    position:absolute;
    inset:0;
    z-index:1;
    background:
        radial-gradient(ellipse 500px 400px at 50% 46%, rgba(255,255,255,0.85) 18%, rgba(255,255,255,0.4) 42%, transparent 65%);
    pointer-events:none;
}

/* ===== SECTIONS (Glass) ===== */
.section { padding:80px 40px; position:relative; max-width:90%; margin:6px auto; border-radius:24px; box-shadow:0 8px 40px rgba(0,0,0,0.12); }

.section-header { text-align:center; margin-bottom:64px; }

.section-badge {
    display:inline-block;
    padding:8px 24px;
    background:var(--color-primary-bg);
    color:var(--color-primary-dark);
    font-size:14px;
    font-weight:700;
    border-radius:100px;
    margin-bottom:20px;
    border:1px solid rgba(255,184,0,0.15);
}

.section-title {
    font-size:clamp(32px,4.5vw,46px);
    font-weight:900;
    color:var(--color-dark);
    margin-bottom:16px;
    line-height:1.25;
}

.section-desc {
    font-size:18px;
    color:var(--color-text-light);
    max-width:640px;
    margin:0 auto;
    line-height:1.9;
}

.section-divider {
    width:72px;
    height:4px;
    background:linear-gradient(90deg,var(--color-primary),var(--color-primary-dark));
    border-radius:2px;
    margin:0 auto;
}

.section-divider-large {
    width:2%;
    height:4px;
    background:linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
    border-radius:2px;
    margin:6px auto;
    position:relative;
    z-index:1;
}
.section-glass-light {
    background:var(--color-glass-light);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
}

.section-glass-cream {
    background:var(--color-glass-cream);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
}

.section-glass-dark {
    background:var(--color-glass-dark);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
}

.section-glass-dark .section-title { color:var(--color-white); }
.section-glass-dark .section-desc { color:rgba(255,255,255,0.6); }

#vision-supplement {
    background:rgba(255,235,180,0.65);
    background-image:radial-gradient(circle at 50% 50%, rgba(255,200,100,0.25) 0%, transparent 65%);
    background-repeat:no-repeat;
    background-size:200% 200%;
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
}

#vision-supplement .section-title { color:#0D0D0D; }
#vision-supplement .section-badge { background:rgba(212,148,0,0.2); color:#8B6300; border-color:rgba(212,148,0,0.3); }

#vision-marketing {
    background:rgba(220,230,255,0.65);
    background-image:radial-gradient(circle at 50% 50%, rgba(180,210,255,0.25) 0%, transparent 65%);
    background-repeat:no-repeat;
    background-size:200% 200%;
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
}

#vision-marketing .section-title { color:#0D0D0D; }
#vision-marketing .section-badge { background:rgba(60,100,200,0.15); color:#2A4A8A; border-color:rgba(60,100,200,0.25); }

/* ===== NAVBAR ===== */
.navbar {
    position:fixed; top:0; left:0; right:0; z-index:1000;
    padding:18px 0;
    transition:var(--transition);
}

.navbar.scrolled {
    background:rgba(0, 0, 0, 0.55);
    backdrop-filter:blur(28px);
    -webkit-backdrop-filter:blur(28px);
    padding:10px 0;
    box-shadow:0 2px 40px rgba(0,0,0,0.08);
}

.nav-container { display:flex; align-items:center; justify-content:space-between; }

.nav-logo { display:flex; align-items:center; gap:14px; }

.nav-logo-img {
    width:50px; height:50px;
    border-radius:50%;
    border:2px solid var(--color-primary);
    flex-shrink:0;
    background:#fff;
    padding:4px;
    box-sizing:border-box;
    object-fit:contain;
}

.nav-logo-text { font-size:24px; font-weight:900; color:var(--color-white); }

.nav-menu { display:flex; align-items:center; gap:4px; }

.nav-link {
    color:rgba(255,255,255,0.75);
    font-size:16px;
    font-weight:500;
    padding:10px 20px;
    border-radius:var(--radius-sm);
    transition:var(--transition);
    position:relative;
}

.nav-link:hover, .nav-link.active { color:var(--color-primary); background:rgba(255,184,0,0.1); }

.nav-link.active::after {
    content:'';
    position:absolute; bottom:4px; left:50%;
    transform:translateX(-50%);
    width:20px; height:2px;
    background:var(--color-primary);
    border-radius:1px;
}

.nav-toggle {
    display:none;
    flex-direction:column; gap:5px;
    background:none; border:none;
    cursor:pointer; padding:4px; z-index:1001;
}

.nav-toggle span {
    display:block;
    width:28px; height:2.5px;
    background:var(--color-primary);
    border-radius:2px;
    transition:var(--transition);
}

.nav-toggle.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.nav-toggle.active span:nth-child(2) { opacity:0; }
.nav-toggle.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

/* ===== HERO ===== */
.hero {
    position:relative;
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
}

.hero-canvas {
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    z-index:2;
}

.hero-overlay {
    position:absolute;
    inset:0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(255,184,0,0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(255,184,0,0.06) 0%, transparent 50%),
        linear-gradient(180deg, rgba(13,13,13,0.15) 0%, rgba(13,13,13,0.5) 40%, rgba(13,13,13,0.85) 100%);
    z-index:3;
}

.hero-content {
    position:relative;
    z-index:4;
    text-align:center;
    max-width:800px;
    width:100%;
    padding:0 24px;
    margin:0 auto;
}

.hero-logo {
    width:140px; height:140px;
    margin:0 auto 32px;
    border-radius:50%;
    box-shadow:0 0 60px rgba(255,184,0,0.15), 0 0 120px rgba(255,184,0,0.08);
    animation:logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {
    0%,100% { transform:translateY(0); }
    50% { transform:translateY(-12px); }
}

.hero-title {
    font-size:clamp(42px,7vw,72px);
    font-weight:900;
    color:var(--color-white);
    margin-bottom:12px;
    letter-spacing:1px;
}

.hero-subtitle {
    font-size:clamp(20px,2.8vw,28px);
    font-weight:700;
    color:var(--color-primary);
    margin-bottom:20px;
    min-height:1.4em;
}

.hero-desc {
    font-size:clamp(16px,1.6vw,19px);
    color:rgba(255,255,255,0.6);
    line-height:1.9;
    margin-bottom:40px;
    max-width:600px;
    margin-left:auto;
    margin-right:auto;
}

.hero-buttons { display:flex; gap:20px; justify-content:center; flex-wrap:wrap; }

.btn {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:16px 44px;
    border-radius:100px;
    font-family:var(--font);
    font-size:17px;
    font-weight:700;
    cursor:pointer;
    transition:var(--transition);
    border:2px solid transparent;
    min-width:48px;
    min-height:48px;
}

.btn-primary {
    background:var(--color-primary);
    color:var(--color-dark);
    border-color:var(--color-primary);
    box-shadow:0 4px 30px rgba(255,184,0,0.3);
}

.btn-primary:hover {
    background:var(--color-primary-dark);
    border-color:var(--color-primary-dark);
    transform:translateY(-3px);
    box-shadow:0 8px 40px rgba(255,184,0,0.4);
}

.btn-outline {
    background:rgba(255,255,255,0.08);
    color:var(--color-white);
    border-color:rgba(255,255,255,0.2);
    backdrop-filter:blur(8px);
}

.btn-outline:hover {
    border-color:var(--color-primary);
    color:var(--color-primary);
    background:rgba(255,184,0,0.1);
    transform:translateY(-3px);
}

.hero-scroll-indicator {
    position:absolute; bottom:48px; left:50%;
    transform:translateX(-50%);
    z-index:3;
    animation:scrollBounce 2s ease-in-out infinite;
}

.hero-scroll-indicator span {
    display:block;
    width:26px; height:44px;
    border:2px solid rgba(255,184,0,0.25);
    border-radius:13px;
    position:relative;
}

.hero-scroll-indicator span::after {
    content:'';
    position:absolute; top:8px; left:50%;
    transform:translateX(-50%);
    width:4px; height:10px;
    background:var(--color-primary);
    border-radius:2px;
    animation:scrollDot 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%,100% { transform:translateX(-50%) translateY(0); }
    50% { transform:translateX(-50%) translateY(10px); }
}

@keyframes scrollDot {
    0%,100% { opacity:1; transform:translateX(-50%) translateY(0); }
    50% { opacity:0.2; transform:translateX(-50%) translateY(16px); }
}

/* ===== VISION ===== */
.vision-content { max-width:880px; margin:0 auto; text-align:center; }

.vision-icon {
    color:var(--color-primary-dark);
    width:90px; height:90px;
    margin:0 auto 28px;
    filter:drop-shadow(0 0 20px rgba(255,184,0,0.15));
}

.vision-text {
    font-size:clamp(17px,1.5vw,20px);
    line-height:2.1;
    color:var(--color-text);
    text-align:justify;
    padding:40px 48px;
    background:rgba(255,255,255,0.6);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-glass);
    border-right:4px solid var(--color-primary);
    position:relative;
}

.vision-text::before {
    content:'"';
    position:absolute;
    top:-8px; right:20px;
    font-size:72px;
    color:var(--color-primary);
    opacity:0.15;
    font-weight:900;
    line-height:1;
}

/* ===== PRODUCTS ===== */
.section-products::before {
    content:'';
    position:absolute; top:0; left:0; right:0;
    height:4px;
    background:linear-gradient(90deg, transparent, var(--color-primary), transparent);
    z-index:2;
}

.section-products .section-badge {
    background:rgba(255,184,0,0.2);
    border-color:rgba(255,184,0,0.3);
}

.section-products .section-divider {
    background:linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.section-partners .section-badge {
    background:rgba(212,148,0,0.15);
    border-color:rgba(212,148,0,0.2);
    color:#8B6300;
}

.section-partners .section-divider {
    background:linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.products-grid {
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
    gap:24px;
}

.product-card {
    background:rgba(255,255,255,0.06);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border:1px solid rgba(255,184,0,0.1);
    border-radius:var(--radius-md);
    padding:44px 28px;
    text-align:center;
    transition:var(--transition);
    position:relative;
    overflow:hidden;
}

.product-card::before {
    content:'';
    position:absolute;
    top:0; left:0; right:0;
    height:3px;
    background:linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform:scaleX(0);
    transform-origin:right;
    transition:transform 0.5s ease;
}

.product-card:hover::before { transform:scaleX(1); transform-origin:left; }

.product-card:hover {
    background:rgba(255,184,0,0.08);
    border-color:rgba(255,184,0,0.25);
    transform:translateY(-6px);
    box-shadow:0 12px 48px rgba(255,184,0,0.08);
}

.product-icon {
    width:68px; height:68px;
    margin:0 auto 20px;
    color:var(--color-primary);
    filter:drop-shadow(0 0 15px rgba(255,184,0,0.12));
}

.product-title {
    font-size:20px;
    font-weight:700;
    color:var(--color-white);
    margin-bottom:10px;
}

.product-desc {
    font-size:16px;
    color:rgba(255,255,255,0.55);
    line-height:1.8;
}

/* ===== ACHIEVEMENTS ===== */
.achievements-grid {
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
    gap:24px;
}

.achievement-card {
    text-align:center;
    padding:48px 24px;
    background:rgba(255,255,255,0.6);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border:1px solid rgba(255,184,0,0.12);
    border-radius:var(--radius-md);
    box-shadow:var(--shadow-glass);
    transition:var(--transition);
}

.achievement-card:hover {
    transform:translateY(-4px);
    box-shadow:var(--shadow-md);
    border-color:var(--color-primary);
    background:rgba(255,255,255,0.75);
}

.achievement-number {
    font-size:clamp(44px,6vw,60px);
    font-weight:900;
    color:var(--color-dark);
    line-height:1;
}

.achievement-plus, .achievement-percent {
    font-size:28px;
    font-weight:800;
    color:var(--color-primary);
    margin-right:2px;
}

.achievement-label {
    font-size:17px;
    color:var(--color-text-light);
    margin-top:12px;
    font-weight:500;
}

/* ===== COMMITMENT ===== */
.commitment-content { max-width:700px; margin:0 auto; text-align:center; }

.commitment-icon {
    width:100px; height:100px;
    margin:0 auto 28px;
    color:var(--color-primary);
    filter:drop-shadow(0 0 30px rgba(255,184,0,0.15));
}

.commitment-title {
    font-size:clamp(30px,4vw,42px);
    font-weight:900;
    color:var(--color-white);
    margin-bottom:24px;
}

.commitment-text {
    font-size:clamp(17px,1.4vw,19px);
    line-height:2.1;
    color:rgba(255,255,255,0.7);
    text-align:justify;
    padding:36px 44px;
    background:rgba(255,255,255,0.06);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border:1px solid rgba(255,184,0,0.1);
    border-radius:var(--radius-md);
}

/* ===== PARTNERS ===== */
.partners-grid {
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:20px;
}

.partner-item {
    display:flex;
    align-items:center;
    justify-content:center;
    padding:20px;
    border:1px solid rgba(255,184,0,0.1);
    border-radius:var(--radius-md);
    transition:var(--transition);
    height:120px;
    background:rgba(0,0,0,0.65);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
}

.partner-item:hover {
    border-color:rgba(255,184,0,0.3);
    box-shadow:0 4px 20px rgba(255,184,0,0.08);
    background:rgba(0,0,0,0.8);
}

.partner-logo {
    max-width:80%;
    max-height:50px;
    width:auto;
    height:auto;
    object-fit:contain;
    transition:var(--transition);
    filter:brightness(0.95) contrast(1.1);
}

.partner-item:hover .partner-logo {
    filter:brightness(1.1) drop-shadow(0 2px 8px rgba(255,184,0,0.2));
}

/* ===== FOOTER ===== */
.footer {
    background:rgba(13,13,13,0.65);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    padding:80px 0 0;
    color:rgba(255,255,255,0.6);
}

.footer-grid {
    display:grid;
    grid-template-columns:1.5fr 1fr 1.5fr;
    gap:48px;
    padding-bottom:48px;
    border-bottom:1px solid rgba(255,184,0,0.08);
}

.footer-logo { display:flex; align-items:center; gap:14px; margin-bottom:18px; }

.footer-logo img {
    width:52px; height:52px;
    border-radius:50%;
    border:2px solid var(--color-primary);
    background:#fff;
    padding:4px;
    box-sizing:border-box;
    object-fit:contain;
}

.footer-logo span { font-size:22px; font-weight:900; color:var(--color-white); }

.footer-desc {
    font-size:16px;
    line-height:1.9;
    color:rgba(255,210,100,0.75);
    max-width:320px;
}

.footer h4 {
    font-size:18px;
    font-weight:700;
    color:var(--color-white);
    margin-bottom:20px;
    padding-bottom:12px;
    position:relative;
}

.footer h4::after {
    content:'';
    position:absolute; bottom:0; right:0;
    width:36px; height:3px;
    background:var(--color-primary);
    border-radius:2px;
}

.footer-links li { margin-bottom:12px; }

.footer-links a {
    font-size:16px;
    color:rgba(255,210,100,0.7);
    transition:var(--transition);
}

.footer-links a:hover { color:var(--color-primary); padding-right:6px; }

.footer-contact li {
    display:flex;
    align-items:flex-start;
    gap:12px;
    margin-bottom:16px;
    font-size:16px;
    color:rgba(255,210,100,0.7);
    line-height:1.8;
}

.footer-contact a { color:inherit; }

.footer-contact svg { flex-shrink:0; margin-top:4px; color:var(--color-primary); }

.footer-bottom {
    padding:28px 0;
    text-align:center;
    font-size:14px;
    color:rgba(255,210,100,0.55);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position:fixed; bottom:32px; left:32px;
    z-index:999;
    width:52px; height:52px;
    border-radius:50%;
    background:var(--color-primary);
    color:var(--color-dark);
    border:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    opacity:0;
    visibility:hidden;
    transition:var(--transition);
    box-shadow:var(--shadow-primary);
}

.back-to-top.visible { opacity:1; visibility:visible; }

.back-to-top:hover {
    background:var(--color-primary-dark);
    transform:translateY(-3px);
    box-shadow:0 8px 40px rgba(255,184,0,0.5);
}

/* ===== REVEAL ===== */
.reveal {
    opacity:0;
    transform:translateY(30px);
    transition:opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible { opacity:1; transform:translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-toggle { display:flex; }

    .nav-menu {
        position:fixed; top:0; right:-100%;
        width:280px; height:100vh;
        background:rgba(13,13,13,0.98);
        backdrop-filter:blur(20px);
        flex-direction:column;
        align-items:flex-start;
        padding:100px 28px 32px;
        gap:4px;
        transition:var(--transition);
        box-shadow:-10px 0 40px rgba(0,0,0,0.5);
    }

    .nav-menu.active { right:0; }

    .nav-link { font-size:17px; padding:12px 18px; width:100%; }

    .hero-logo { width:110px; height:110px; }

    .section { padding:48px 20px; margin:4px auto; border-radius:16px; }

    .vision-text { padding:28px 24px; }
    .commitment-text { padding:24px 20px; }

    .products-grid { grid-template-columns:1fr; gap:16px; }
    .achievements-grid { grid-template-columns:1fr 1fr; gap:16px; }
    .footer-grid { grid-template-columns:1fr; gap:32px; }
    .footer-desc { max-width:100%; }
    .partners-grid { grid-template-columns:repeat(2, 1fr); }
    .partner-item { height:100px; }
}

@media (max-width: 480px) {
    .container { padding:0 16px; }
    .section { padding:36px 16px; margin:3px auto; border-radius:12px; }
    .hero-buttons { flex-direction:column; align-items:center; }
    .btn { width:100%; max-width:300px; }
    .achievements-grid { grid-template-columns:1fr; }
    .partners-grid { grid-template-columns:repeat(2, 1fr); }
    .partner-item { height:90px; }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .products-grid { grid-template-columns:repeat(2, 1fr); }
    .footer-grid { grid-template-columns:1fr 1fr; }
    .partners-grid { grid-template-columns:repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
    *,*::before,*::after {
        animation-duration:0.01ms !important;
        animation-iteration-count:1 !important;
        transition-duration:0.01ms !important;
    }
    .reveal { opacity:1; transform:none; }
}

:focus-visible { outline:3px solid var(--color-primary); outline-offset:3px; }
::selection { background:var(--color-primary); color:var(--color-dark); }