/* === VapeCase — CSS === */
:root {
    --purple: #6B21A8;
    --purple-deep: #4C1D95;
    --teal: #06B6D4;
    --teal-light: #22D3EE;
    --bg-dark: #0B0B14;
    --bg-darker: #06060C;
    --bg-card: rgba(255,255,255,0.04);
    --text: #F0F0F5;
    --text-dim: #9CA3AF;
    --gradient: linear-gradient(135deg, var(--purple), var(--teal));
    --gradient-h: linear-gradient(90deg, var(--purple), var(--teal));
    --radius: 16px;
    --radius-sm: 10px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-darker); }
::-webkit-scrollbar-thumb { background: var(--purple); border-radius: 4px; }

/* Utility */
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.gradient-text {
    background: var(--gradient-h);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animated gradient text for hero */
.hero__title .gradient-text {
    background-size: 200% 200%;
    animation: gradShift 4s ease infinite;
}
@keyframes gradShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* === NAV === */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(11,11,20,0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav__inner {
    max-width: 1120px; margin: 0 auto; padding: 14px 20px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav__logo {
    font-family: 'Orbitron', sans-serif; font-weight: 900; font-size: 1.25rem;
    color: var(--text); text-decoration: none; letter-spacing: 2px;
}
.nav__logo span { color: var(--teal); }
.nav__cta {
    font-size: .85rem; font-weight: 700; padding: 8px 20px;
    background: var(--gradient); color: #fff; text-decoration: none;
    border-radius: 100px; transition: transform .2s, box-shadow .2s;
}
.nav__cta:hover { transform: scale(1.05); box-shadow: 0 0 20px rgba(6,182,212,.4); }

/* === BUTTONS === */
.btn {
    display: inline-block; padding: 14px 32px; font-weight: 700; font-size: 1rem;
    border-radius: 100px; text-decoration: none; transition: transform .2s, box-shadow .2s;
    cursor: pointer; border: none;
}
.btn--primary {
    background: var(--gradient); color: #fff;
    box-shadow: 0 4px 24px rgba(107,33,168,.35);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(6,182,212,.4); }
.btn--ghost {
    background: transparent; color: var(--text);
    border: 2px solid rgba(255,255,255,.2);
}
.btn--ghost:hover { border-color: var(--teal); color: var(--teal); }
.btn--large { padding: 18px 48px; font-size: 1.15rem; }

/* === HERO === */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    justify-content: center; text-align: center; padding: 120px 20px 80px;
    overflow: hidden;
}
.hero__mesh {
    position: absolute; inset: 0; z-index: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 40%, rgba(107,33,168,.5), transparent),
        radial-gradient(ellipse 60% 80% at 80% 60%, rgba(6,182,212,.4), transparent),
        radial-gradient(ellipse 50% 50% at 50% 20%, rgba(139,92,246,.3), transparent);
    animation: meshMove 8s ease-in-out infinite alternate;
}
@keyframes meshMove {
    0% { background-position: 0% 0%, 100% 100%, 50% 0%; }
    100% { background-position: 20% 20%, 80% 80%, 60% 30%; }
}
.hero__grid-dots {
    position: absolute; inset: 0; z-index: 1; opacity: .12;
    background-image: radial-gradient(circle, rgba(255,255,255,.5) 1px, transparent 1px);
    background-size: 30px 30px;
}
.hero__content { position: relative; z-index: 2; max-width: 700px; }
.hero__tag {
    font-family: 'Orbitron', sans-serif; font-size: .75rem; letter-spacing: 3px;
    text-transform: uppercase; color: var(--teal); margin-bottom: 20px;
}
.hero__title {
    font-family: 'Orbitron', sans-serif; font-weight: 900;
    font-size: clamp(2.2rem, 7vw, 4.5rem); line-height: 1.1; margin-bottom: 24px;
}
.hero__sub { font-size: 1.1rem; color: var(--text-dim); max-width: 520px; margin: 0 auto 32px; }
.hero__ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero__proof { margin-top: 40px; display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; }
.hero__proof-item {
    font-size: .85rem; color: var(--text-dim);
    background: rgba(255,255,255,.06); padding: 6px 16px; border-radius: 100px;
    border: 1px solid rgba(255,255,255,.08);
}

/* Hero mockup */
.hero__mockup {
    display: none; /* shown on larger screens */
}

/* Dividers */
.divider { display: block; width: 100%; position: relative; margin-top: -1px; }
.divider--hero { position: absolute; bottom: 0; left: 0; z-index: 2; }

/* === SECTIONS (shared) === */
section { padding: 80px 0; position: relative; }
.section-tag {
    font-family: 'Orbitron', sans-serif; font-size: .7rem; letter-spacing: 3px;
    text-transform: uppercase; color: var(--teal); margin-bottom: 12px;
}
.section-title {
    font-family: 'Orbitron', sans-serif; font-weight: 900;
    font-size: clamp(1.6rem, 4vw, 2.8rem); line-height: 1.2; margin-bottom: 20px;
}
.section-body { color: var(--text-dim); max-width: 600px; font-size: 1.05rem; margin-bottom: 32px; }

/* === TREND === */
.trend { background: var(--bg-dark); text-align: center; }
.trend__stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; margin-top: 48px; }
.stat { text-align: center; }
.stat__number {
    font-family: 'Orbitron', sans-serif; font-weight: 900;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    background: var(--gradient-h); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    display: block;
}
.stat__label { font-size: .85rem; color: var(--text-dim); margin-top: 4px; }

/* === FEATURES === */
.features { background: var(--bg-dark); }
.features__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.feature-card {
    background: rgba(255,255,255,.04);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius); padding: 32px 24px;
    transition: transform .25s, box-shadow .25s, border-color .25s;
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(107,33,168,.2);
    border-color: rgba(6,182,212,.3);
}
.feature-card__icon { font-size: 2rem; margin-bottom: 16px; }
.feature-card h3 { font-family: 'Orbitron', sans-serif; font-size: 1rem; margin-bottom: 10px; }
.feature-card p { font-size: .9rem; color: var(--text-dim); }

/* === SHOWCASE === */
.showcase { background: var(--bg-darker); text-align: center; }
.showcase__grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-top: 16px;
}
.showcase-card {
    aspect-ratio: 3/4; border-radius: var(--radius); overflow: hidden;
    position: relative; cursor: pointer;
    transition: transform .3s, box-shadow .3s;
}
.showcase-card:hover { transform: scale(1.04) rotate(-1deg); box-shadow: 0 16px 48px rgba(0,0,0,.5); }
.showcase-card__inner {
    width: 100%; height: 100%;
    background: linear-gradient(150deg, var(--card-from), var(--card-to));
    display: flex; align-items: flex-end; justify-content: center; padding: 16px;
}
.showcase-card__inner--dark .showcase-card__name { color: #333; }
.showcase-card__name {
    font-family: 'Orbitron', sans-serif; font-weight: 700; font-size: .8rem;
    letter-spacing: 2px; text-transform: uppercase; color: #fff;
    text-shadow: 0 2px 8px rgba(0,0,0,.4);
}

/* === CUSTOMIZE === */
.customize { background: var(--bg-dark); }
.customize__layout { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
.customize__list { list-style: none; margin: 24px 0; display: flex; flex-direction: column; gap: 12px; font-size: 1rem; }
.picker {
    background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius); padding: 24px; text-align: center;
}
.picker__preview {
    width: 100%; aspect-ratio: 3/4; max-width: 220px; margin: 0 auto 20px;
    border-radius: 20px;
    background: linear-gradient(150deg, var(--purple), var(--teal));
    box-shadow: 0 8px 40px rgba(107,33,168,.3);
    transition: background .4s, box-shadow .4s;
    /* 3D float effect */
    transform: perspective(600px) rotateY(-5deg) rotateX(3deg);
}
.picker__colors { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.picker__swatch {
    width: 36px; height: 36px; border-radius: 50%; border: 2px solid transparent;
    cursor: pointer; transition: transform .2s, border-color .2s;
}
.picker__swatch:hover, .picker__swatch.active { transform: scale(1.2); border-color: #fff; }
.picker__hint { font-size: .75rem; color: var(--text-dim); margin-top: 12px; }

/* === BUZZ === */
.buzz { background: var(--bg-dark); text-align: center; }
.buzz__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-bottom: 40px; text-align: left; }
.buzz-card {
    background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06);
    border-radius: var(--radius); padding: 24px;
    transition: border-color .3s;
}
.buzz-card:hover { border-color: rgba(6,182,212,.3); }
.buzz-card__header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.buzz-card__avatar {
    width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center;
    justify-content: center; font-weight: 700; font-size: .85rem;
    background: var(--gradient); color: #fff;
}
.buzz-card__name { font-weight: 700; font-size: .9rem; display: block; }
.buzz-card__platform { font-size: .75rem; color: var(--text-dim); }
.buzz-card p { font-size: .95rem; color: var(--text-dim); line-height: 1.5; }
.buzz__banner {
    display: flex; align-items: center; justify-content: center; gap: 12px;
    font-size: .85rem; color: var(--text-dim); flex-wrap: wrap;
}
.buzz__logos { font-family: 'Orbitron', sans-serif; font-weight: 700; color: var(--text); letter-spacing: 2px; }

/* === FAQ === */
.faq { background: var(--bg-dark); }
.faq__list { max-width: 700px; margin: 0 auto; display: flex; flex-direction: column; gap: 8px; }
.faq-item {
    background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06);
    border-radius: var(--radius-sm); overflow: hidden;
}
.faq-item__q {
    padding: 18px 24px; cursor: pointer; font-weight: 700; font-size: 1rem;
    list-style: none; display: flex; align-items: center; justify-content: space-between;
    transition: color .2s;
}
.faq-item__q::-webkit-details-marker { display: none; }
.faq-item__q::after { content: '+'; font-family: 'Orbitron', sans-serif; font-size: 1.2rem; color: var(--teal); transition: transform .2s; }
.faq-item[open] .faq-item__q::after { transform: rotate(45deg); }
.faq-item[open] .faq-item__q { color: var(--teal); }
.faq-item__a { padding: 0 24px 18px; color: var(--text-dim); font-size: .95rem; }

/* === FINAL CTA === */
.final-cta {
    background: var(--bg-darker); text-align: center; padding: 100px 20px;
    position: relative;
}
.final-cta::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 50%, rgba(107,33,168,.25), transparent);
    pointer-events: none;
}
.final-cta .section-title { margin-bottom: 16px; }
.final-cta .section-body { margin: 0 auto 32px; }
.final-cta__note { font-size: .85rem; color: var(--text-dim); margin-top: 16px; }

/* === FOOTER === */
.footer {
    background: var(--bg-darker); border-top: 1px solid rgba(255,255,255,.05);
    padding: 32px 0;
}
.footer__inner {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px;
}
.footer p { font-size: .8rem; color: var(--text-dim); }
.footer__links { display: flex; gap: 20px; }
.footer__links a { font-size: .8rem; color: var(--text-dim); text-decoration: none; transition: color .2s; }
.footer__links a:hover { color: var(--teal); }

/* Neon glow line */
.features::before, .buzz::before {
    content: ''; display: block; height: 2px; margin: 0 auto 48px;
    width: 120px; background: var(--gradient-h); border-radius: 2px;
    box-shadow: 0 0 12px rgba(6,182,212,.5), 0 0 24px rgba(107,33,168,.3);
}

/* === RESPONSIVE === */
@media (min-width: 768px) {
    .customize__layout { grid-template-columns: 1fr 1fr; }
    section { padding: 100px 0; }
    .hero__mockup {
        display: block; position: absolute; right: 5%; top: 50%; transform: translateY(-50%);
        z-index: 2;
    }
    .hero { text-align: left; justify-content: flex-start; padding-left: 8%; }
    .hero__ctas { justify-content: flex-start; }
    .hero__proof { justify-content: flex-start; }
    .hero__sub { margin-left: 0; }
    .mockup-phone {
        width: 140px; height: 280px; border-radius: 24px;
        background: linear-gradient(160deg, var(--purple), var(--teal));
        position: relative; box-shadow: 0 20px 60px rgba(0,0,0,.5);
        transform: perspective(800px) rotateY(-12deg) rotateX(4deg);
        animation: phoneFloat 4s ease-in-out infinite;
    }
    @keyframes phoneFloat {
        0%, 100% { transform: perspective(800px) rotateY(-12deg) rotateX(4deg) translateY(0); }
        50% { transform: perspective(800px) rotateY(-12deg) rotateX(4deg) translateY(-12px); }
    }
    .mockup-phone__screen {
        position: absolute; inset: 8px; border-radius: 18px;
        background: #0B0B14;
    }
    .mockup-phone__vape-slot {
        position: absolute; right: -18px; top: 50%; transform: translateY(-50%);
        width: 14px; height: 80px; border-radius: 8px;
        background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
    }
    .mockup-phone__vape {
        width: 10px; height: 60px; margin: 10px auto 0;
        border-radius: 6px; background: linear-gradient(to bottom, #ccc, #888);
    }
}

@media (min-width: 1024px) {
    .hero__mockup { right: 10%; }
    .mockup-phone { width: 180px; height: 360px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}