/* ═══════════════════════════════════════
   BengaliVerse v2 — style.css
   Font: Manrope | Liquid Glass | Animated
═══════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700;800;900&family=Noto+Sans+Bengali:wght@400;700&display=swap');

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

:root {
    --teal: #00c8c8;
    --teal-dark: #009999;
    --teal-glow: rgba(0,200,200,0.45);
    --bg-dark: #080b14;
    --bg-card: #0f1520;
    --text-muted: #a0aec0;
    --orange: #ff6b00;
    --nav-h: 64px;
    --glass-bg: rgba(255,255,255,0.07);
    --glass-border: rgba(255,255,255,0.18);
    --glass-shine: rgba(255,255,255,0.25);
}

html { scroll-behavior: smooth; }
body {
    font-family: 'Manrope', sans-serif;
    background: var(--bg-dark);
    color: #fff;
    overflow-x: hidden;
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: #0a0e1a; }
::-webkit-scrollbar-thumb { background: var(--teal-dark); border-radius: 3px; }

/* ─── KEYFRAME ANIMATIONS ─── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes floatY {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-10px); }
}
@keyframes shimmer {
    0%   { background-position: -200% center; }
    100% { background-position:  200% center; }
}
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(0,200,200,.3), 0 0 40px rgba(0,200,200,.1); }
    50%       { box-shadow: 0 0 35px rgba(0,200,200,.6), 0 0 70px rgba(0,200,200,.25); }
}
@keyframes borderRotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}
@keyframes slideInRight {
    from { opacity: 0; transform: translateX(60px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.85); }
    to   { opacity: 1; transform: scale(1); }
}
@keyframes particleDrift {
    0%   { transform: translateY(0) translateX(0) scale(1); opacity: .6; }
    50%  { transform: translateY(-30px) translateX(15px) scale(1.1); opacity: 1; }
    100% { transform: translateY(-60px) translateX(-10px) scale(.9); opacity: 0; }
}

/* ─── PARTICLE DOTS ─── */
.particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.particle {
    position: absolute; border-radius: 50%;
    background: var(--teal); opacity: 0;
    animation: particleDrift linear infinite;
}

/* ─── NAVBAR ─── */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    height: var(--nav-h);
    background: rgba(8,11,20,0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255,255,255,0.07);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 48px;
    transition: background .4s, box-shadow .4s;
    animation: fadeIn .6s ease both;
}
.navbar.scrolled {
    background: rgba(8,11,20,0.95);
    box-shadow: 0 2px 30px rgba(0,0,0,.5);
}
.nav-logo {
    display: flex; align-items: center; gap: 10px;
    text-decoration: none; color: #fff;
    animation: fadeInLeft .6s .1s ease both;
}

.nav-logo:hover .logo-icon { transform: rotate(15deg) scale(1.1); }
.nav-logo span { font-size: 16px; font-weight: 800; letter-spacing: 1.8px; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 34px; list-style: none; animation: fadeIn .6s .2s ease both; }
.nav-links a {
    color: rgba(255,255,255,0.75); text-decoration: none;
    font-size: 13.5px; font-weight: 600; letter-spacing: .3px;
    position: relative; transition: color .25s;
}
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
    background: var(--teal); border-radius: 2px; transition: width .3s;
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { width: 100%; }
.btn-contact {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    color: #fff; padding: 9px 24px; border-radius: 8px;
    font-family: 'Manrope', sans-serif;
    font-size: 13px; font-weight: 700; cursor: pointer;
    transition: all .3s; text-decoration: none;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.15);
    animation: fadeIn .6s .3s ease both;
}
.btn-contact:hover {
    background: var(--teal); border-color: var(--teal);
    box-shadow: 0 0 20px var(--teal-glow);
    transform: translateY(-1px);
}

/* ─── HERO ─── */
.hero {
    position: relative; width: 100%; min-height: 100vh;
    display: flex; align-items: center;
    padding-top: var(--nav-h); overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0; z-index: 0;
    background: url('images/hero1.png') center center / cover no-repeat;
    background-color: #0d1528;
    transform: scale(1.04);
    transition: transform 8s ease;
}
.hero-bg.loaded { transform: scale(1); }
.hero-bg::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(105deg, rgba(4,7,18,.95) 38%, rgba(4,7,18,.6) 70%, rgba(4,7,18,.2) 100%);
}
.hero-content {
    position: relative; z-index: 3; max-width: 600px; padding: 60px 48px 90px;
}
.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(0,200,200,.1); border: 1px solid rgba(0,200,200,.3);
    color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: 2px;
    padding: 6px 16px; border-radius: 50px; margin-bottom: 24px;
    text-transform: uppercase;
    animation: fadeInUp .7s .4s ease both;
}
.hero-eyebrow .dot { width: 6px; height: 6px; background: var(--teal); border-radius: 50%; animation: pulseGlow 2s infinite; }
.hero-hashtag {
    font-size: clamp(40px, 5.8vw, 72px); font-weight: 900;
    line-height: 1.05; letter-spacing: -2px;
    background: linear-gradient(135deg, #ffffff 0%, #c8f8f8 50%, #80e0ff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp .7s .5s ease both, shimmer 4s linear 1.2s infinite;
    margin-bottom: 20px;
}
.hero-sub {
    font-size: 15.5px; line-height: 1.7; color: rgba(255,255,255,0.68);
    margin-bottom: 42px; max-width: 430px; font-weight: 400;
    animation: fadeInUp .7s .6s ease both;
}
.hero-btns {
    display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
    animation: fadeInUp .7s .7s ease both;
}

/* ══ LIQUID GLASS BUTTONS ══ */
.btn-liquid {
    position: relative; overflow: hidden;
    padding: 14px 32px; border-radius: 50px;
    font-family: 'Manrope', sans-serif;
    font-size: 14px; font-weight: 700; letter-spacing: .4px;
    cursor: pointer; text-decoration: none;
    display: inline-flex; align-items: center; gap: 9px;
    transition: all .35s cubic-bezier(.34,1.56,.64,1);
    border: 1.5px solid var(--glass-border);
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(20px) saturate(200%);
    -webkit-backdrop-filter: blur(20px) saturate(200%);
    color: #fff;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.25),
        inset 0 -1px 0 rgba(0,0,0,.15),
        0 8px 32px rgba(0,0,0,.3),
        0 2px 8px rgba(0,0,0,.2);
}
.btn-liquid::before {
    content: '';
    position: absolute; top: 0; left: -100%;
    width: 60%; height: 100%;
    background: linear-gradient(105deg, transparent 0%, rgba(255,255,255,.18) 50%, transparent 100%);
    transition: left .5s ease;
    pointer-events: none;
}
.btn-liquid::after {
    content: '';
    position: absolute; inset: 0;
    border-radius: inherit;
    background: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,.15) 0%, transparent 70%);
    pointer-events: none;
}
.btn-liquid:hover {
    transform: translateY(-3px) scale(1.03);
    border-color: rgba(0,200,200,.6);
    background: rgba(0,200,200,0.15);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.3),
        inset 0 -1px 0 rgba(0,0,0,.1),
        0 16px 40px rgba(0,200,200,.3),
        0 4px 12px rgba(0,0,0,.2);
}
.btn-liquid:hover::before { left: 140%; }
.btn-liquid:active { transform: translateY(-1px) scale(.99); }

.btn-liquid.primary {
    background: rgba(0,200,200,0.2);
    border-color: rgba(0,200,200,.5);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.25),
        0 8px 32px rgba(0,200,200,.25),
        0 0 0 1px rgba(0,200,200,.1);
}
.btn-liquid.primary:hover {
    background: rgba(0,200,200,0.32);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.3),
        0 16px 48px rgba(0,200,200,.45),
        0 0 0 1px rgba(0,200,200,.25);
}

/* FABs */
.hero-fab {
    position: absolute; right: 36px; top: 50%; transform: translateY(-50%);
    z-index: 3; display: flex; flex-direction: column; gap: 14px;
    animation: slideInRight .7s .9s ease both;
}
.fab-btn {
    width: 50px; height: 50px; border-radius: 50%;
    background: rgba(255,255,255,0.09);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255,255,255,0.2);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; color: #fff; cursor: pointer;
    transition: all .3s cubic-bezier(.34,1.56,.64,1);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 4px 16px rgba(0,0,0,.3);
    animation: floatY 4s ease-in-out infinite;
}
.fab-btn:nth-child(2) { animation-delay: .8s; }
.fab-btn:hover, .fab-btn.active {
    background: rgba(0,200,200,0.25);
    border-color: rgba(0,200,200,.6);
    transform: scale(1.15);
    box-shadow: 0 0 24px rgba(0,200,200,.5), inset 0 1px 0 rgba(255,255,255,.3);
}

/* ─── STATS SECTION ─── */
.stats-section {
    position: relative; width: 100%; min-height: 100vh;
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; padding: 90px 48px; overflow: hidden;
}
.stats-bg {
    position: absolute; inset: 0; z-index: 0;
    background: url('images/hero2.png') center center / cover no-repeat;
    background-color: #050a18;
}
.stats-bg::after {
    content: ''; position: absolute; inset: 0;
    background: rgba(4, 8, 22, 0.84);
}
.stats-inner { position: relative; z-index: 2; text-align: center; width: 100%; max-width: 900px; }
.stats-tag {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(0,200,200,.1); border: 1px solid rgba(0,200,200,.3);
    color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: 2px;
    padding: 6px 18px; border-radius: 50px; margin-bottom: 24px; text-transform: uppercase;
    opacity: 0; transition: opacity .6s, transform .6s;
    transform: translateY(20px);
}
.stats-tag.visible { opacity: 1; transform: translateY(0); }
.stats-heading {
    font-size: clamp(30px, 4.5vw, 54px); font-weight: 900;
    line-height: 1.18; margin-bottom: 56px; letter-spacing: -1px;
    opacity: 0; transition: opacity .7s .15s, transform .7s .15s;
    transform: translateY(30px);
}
.stats-heading.visible { opacity: 1; transform: translateY(0); }
.stats-heading span { color: var(--teal); }

.stats-cards { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; margin-bottom: 44px; }

/* ══ LIQUID GLASS STAT CARDS ══ */
.stat-card {
    position: relative; overflow: hidden;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255,255,255,0.13);
    border-radius: 22px; padding: 34px 44px; text-align: center; min-width: 185px;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.15),
        inset 0 -1px 0 rgba(0,0,0,.1),
        0 8px 32px rgba(0,0,0,.4);
    transition: all .4s cubic-bezier(.34,1.56,.64,1);
    opacity: 0; transform: translateY(40px) scale(.95);
    cursor: default;
}
.stat-card.visible { opacity: 1; transform: translateY(0) scale(1); }
.stat-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.4), transparent);
}
.stat-card::after {
    content: '';
    position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(ellipse at 50% 0%, rgba(0,200,200,.08) 0%, transparent 60%);
    pointer-events: none;
}
.stat-card:hover {
    background: rgba(0,200,200,0.1);
    border-color: rgba(0,200,200,.4);
    transform: translateY(-8px) scale(1.03);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.25),
        0 24px 48px rgba(0,200,200,.2),
        0 8px 16px rgba(0,0,0,.3);
}
.stat-card:hover::after { background: radial-gradient(ellipse at 50% 0%, rgba(0,200,200,.18) 0%, transparent 60%); }

.stat-icon {
    width: 48px; height: 48px; border-radius: 14px; margin: 0 auto 16px;
    display: flex; align-items: center; justify-content: center; font-size: 20px;
    position: relative; z-index: 1;
}
.stat-icon.fb { background: linear-gradient(135deg, #1877f2, #0d5abf); box-shadow: 0 4px 16px rgba(24,119,242,.4); }
.stat-icon.yt { background: linear-gradient(135deg, #ff0000, #cc0000); box-shadow: 0 4px 16px rgba(255,0,0,.4); }
.stat-icon.ad { background: linear-gradient(135deg, #e91e63, #c2185b); box-shadow: 0 4px 16px rgba(233,30,99,.4); }
.stat-number {
    font-size: 36px; font-weight: 900; color: #fff; line-height: 1; margin-bottom: 8px;
    position: relative; z-index: 1;
    background: linear-gradient(135deg, #fff 0%, #c8f8f8 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 600; letter-spacing: .8px; position: relative; z-index: 1; }

.brands-row {
    display: inline-flex; align-items: center; gap: 26px; flex-wrap: wrap; justify-content: center;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,.1); border-radius: 14px;
    padding: 16px 32px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 4px 20px rgba(0,0,0,.3);
    opacity: 0; transform: translateY(20px);
    transition: opacity .6s .6s, transform .6s .6s;
}
.brands-row.visible { opacity: 1; transform: translateY(0); }
.brands-label { font-size: 13px; font-weight: 700; color: rgba(255,255,255,.5); letter-spacing: .5px; }
.brand-name { font-size: 13px; font-weight: 700; opacity: .7; letter-spacing: .5px; }
.brands-sep { color: rgba(255,255,255,.2); }
.brands-more { font-size: 12px; color: var(--text-muted); }

/* ─── HIGHLIGHTS ─── */
.highlights-section {
    padding: 90px 0 90px 48px;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}
.highlights-section::before {
    content: ''; position: absolute; top: -1px; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,200,200,.3), transparent);
}
.section-tag {
    font-size: clamp(30px, 4vw, 50px); font-weight: 900;
    letter-spacing: -1px; margin-bottom: 42px;
    opacity: 0; transform: translateX(-30px);
    transition: opacity .6s, transform .6s;
}
.section-tag.visible { opacity: 1; transform: translateX(0); }
.section-tag .hash { color: var(--teal); }

.carousel-wrapper { position: relative; overflow: hidden; }
.carousel-track {
    display: flex; gap: 24px; overflow-x: auto;
    scroll-behavior: smooth; padding-bottom: 20px; padding-right: 48px;
    scrollbar-width: none; cursor: grab;
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track.dragging { cursor: grabbing; scroll-behavior: auto; }

/* ══ HIGHLIGHT CARDS (larger, image only) ══ */
.highlight-card {
    flex: 0 0 340px; height: 420px;
    border-radius: 22px; overflow: hidden;
    background: var(--bg-card);
    box-shadow: 0 8px 32px rgba(0,0,0,.5);
    transition: transform .4s cubic-bezier(.34,1.2,.64,1), box-shadow .4s;
    cursor: pointer; position: relative;
    opacity: 0; transform: translateY(30px) scale(.97);
}
.highlight-card.visible { opacity: 1; transform: translateY(0) scale(1); }
.highlight-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 24px 56px rgba(0,0,0,.6), 0 0 0 1px rgba(0,200,200,.2);
}
.card-img-wrap {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, #0f1a30 0%, #1a2a4a 50%, #0f1a30 100%);
    position: relative; overflow: hidden;
}
.card-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s; }
.highlight-card:hover .card-img-wrap img { transform: scale(1.06); }
.card-img-placeholder {
    width: 100%; height: 100%; display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 12px;
    font-size: 13px; color: rgba(255,255,255,.2); font-style: italic;
}
.card-img-placeholder i { font-size: 32px; color: rgba(0,200,200,.2); }
/* subtle gradient overlay on card bottom */
.card-img-wrap::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 30%;
    background: linear-gradient(to top, rgba(8,11,20,.6), transparent);
    pointer-events: none;
}

.carousel-nav { display: flex; gap: 14px; margin-top: 32px; padding-right: 48px; justify-content: flex-end; }
.carousel-btn {
    width: 48px; height: 48px; border-radius: 50%;
    background: rgba(255,255,255,0.07);
    backdrop-filter: blur(10px);
    border: 1.5px solid rgba(255,255,255,0.15);
    color: #fff; font-size: 15px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all .3s cubic-bezier(.34,1.56,.64,1);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.1);
}
.carousel-btn:hover {
    background: rgba(0,200,200,0.2); border-color: rgba(0,200,200,.5);
    transform: scale(1.12);
    box-shadow: 0 0 20px rgba(0,200,200,.35), inset 0 1px 0 rgba(255,255,255,.2);
}

/* ─── FOOTER ─── */
footer {
    background: #040710; border-top: 1px solid rgba(255,255,255,.07);
    padding: 64px 48px 32px;
}
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 44px; margin-bottom: 54px; }
.footer-tagline { font-size: 13.5px; color: var(--text-muted); line-height: 1.75; max-width: 220px; margin-top: 16px; font-weight: 400; }
.footer-col h4 { font-size: 11px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,.4); margin-bottom: 20px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 13px; }
.footer-col ul li a {
    color: rgba(255,255,255,.65); text-decoration: none;
    font-size: 13.5px; font-weight: 500; transition: all .25s;
    display: inline-flex; align-items: center; gap: 6px;
}
.footer-col ul li a::before { content: ''; width: 0; height: 1px; background: var(--teal); transition: width .25s; display: inline-block; }
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }
.footer-col ul li a:hover::before { width: 10px; }
.footer-contact-item { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; font-size: 13.5px; color: rgba(255,255,255,.65); font-weight: 500; }
.footer-contact-item i { color: var(--teal); width: 16px; }
.footer-contact-item a { color: rgba(255,255,255,.65); text-decoration: none; transition: color .2s; }
.footer-contact-item a:hover { color: var(--teal); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.07); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,.28); }
.footer-bottom a { font-size: 12px; color: rgba(255,255,255,.28); text-decoration: none; transition: color .2s; }
.footer-bottom a:hover { color: var(--teal); }

/* ─── RESPONSIVE ─── */
@media (max-width: 960px) {
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .nav-links { display: none; }
    .stats-cards { flex-direction: column; align-items: center; }
}
@media (max-width: 620px) {
    .footer-inner { grid-template-columns: 1fr; }
    .navbar, .hero-content, .highlights-section, .stats-section { padding-left: 22px; padding-right: 22px; }
    .hero-fab { right: 14px; }
    .highlight-card { flex: 0 0 280px; height: 360px; }
}