/* ============================================================
   vSeeBox SF Bay — Premium Dark Tech Aesthetic
   ============================================================ */

:root {
    --bg:             #0a0a0f;
    --bg-card:        #111118;
    --bg-card-hover:  #16161f;
    --bg-surface:     #0d0d14;
    --border:         rgba(255,255,255,0.06);
    --border-accent:  rgba(0,210,255,0.25);

    --text:           #e8e8ed;
    --text-muted:     #8a8a9a;
    --text-dim:       #5a5a6e;

    --accent:         #00d2ff;
    --accent-glow:    rgba(0,210,255,0.15);
    --accent-hot:     #ff3d71;
    --accent-green:   #00e676;
    --accent-gold:    #ffd740;

    --font:           'Be Vietnam Pro', system-ui, sans-serif;
    --font-mono:      'Space Mono', monospace;

    --radius:         12px;
    --radius-lg:      20px;
    --radius-sm:      8px;

    --shadow:         0 4px 24px rgba(0,0,0,0.4);
    --shadow-glow:    0 0 40px rgba(0,210,255,0.08);

    --header-h:       72px;
    --container:      1200px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: #fff; }
ul { list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---- Top Bar ---- */
.top-bar {
    background: linear-gradient(90deg, var(--accent) 0%, #006aff 100%);
    color: #000;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .02em;
}
.top-bar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 24px;
    flex-wrap: wrap;
    gap: 8px;
}
.top-bar__promo { white-space: nowrap; }
.top-bar__contact a { color: #000; margin: 0 4px; }
.top-bar__sep { opacity: .4; margin: 0 6px; }

/* ---- Header ---- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10,10,15,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    height: var(--header-h);
}
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-weight: 800;
    font-size: 1.35rem;
}
.logo__icon {
    color: var(--accent);
    font-size: 1.5rem;
}
.logo__sub {
    color: var(--accent);
    font-size: .65em;
    font-weight: 500;
    margin-left: 4px;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-link {
    color: var(--text-muted);
    font-size: .88rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all .2s;
}
.nav-link:hover, .nav-link--active {
    color: #fff;
    background: rgba(255,255,255,0.05);
}
.nav-link--cta {
    background: var(--accent);
    color: #000 !important;
    font-weight: 700;
    padding: 8px 22px;
}
.nav-link--cta:hover { background: #fff; }

/* Hamburger */
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    margin: 5px 0;
    transition: .3s;
    border-radius: 2px;
}

/* ---- Hero ---- */
.hero {
    position: relative;
    padding: 100px 0 80px;
    overflow: hidden;
    min-height: 70vh;
    display: flex;
    align-items: center;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 20% 40%, rgba(0,210,255,0.08), transparent),
        radial-gradient(ellipse 50% 40% at 80% 60%, rgba(0,106,255,0.06), transparent);
    pointer-events: none;
}
.hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
}
.hero__tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-glow);
    border: 1px solid var(--border-accent);
    color: var(--accent);
    font-size: .78rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 40px;
    margin-bottom: 20px;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.hero__title {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -.02em;
    margin-bottom: 20px;
}
.hero__title em {
    font-style: normal;
    background: linear-gradient(135deg, var(--accent), #006aff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero__subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 500px;
    margin-bottom: 32px;
    line-height: 1.7;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
.hero__visual-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,210,255,0.12), transparent 60%);
    filter: blur(40px);
    animation: pulse 4s ease-in-out infinite;
}
.hero__visual svg {
    position: relative;
    width: 100%;
    max-width: 420px;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: .7; }
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font);
    font-size: .9rem;
    font-weight: 700;
    padding: 14px 30px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all .25s;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.btn--primary {
    background: var(--accent);
    color: #000;
}
.btn--primary:hover {
    background: #fff;
    color: #000;
    box-shadow: 0 0 30px rgba(0,210,255,0.3);
    transform: translateY(-2px);
}
.btn--outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}
.btn--outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.btn--large { padding: 16px 36px; font-size: 1rem; }
.btn--full { width: 100%; justify-content: center; }

/* ---- Trust Strip ---- */
.trust-strip {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 40px 0;
}
.trust-strip__inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}
.trust-item__icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
}
.trust-item__title {
    font-weight: 700;
    font-size: .92rem;
    margin-bottom: 4px;
}
.trust-item__desc {
    color: var(--text-muted);
    font-size: .8rem;
}

/* ---- Section Headers ---- */
.section {
    padding: 80px 0;
}
.section--alt { background: var(--bg-surface); }
.section__header {
    text-align: center;
    margin-bottom: 56px;
}
.section__label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: .72rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .12em;
    margin-bottom: 12px;
}
.section__title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -.01em;
    margin-bottom: 12px;
}
.section__subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 560px;
    margin: 0 auto;
}

/* ---- Product Cards ---- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all .35s;
    position: relative;
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-6px);
}
.product-card__badge {
    position: absolute;
    top: 16px;
    left: 16px;
    font-size: .68rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: 4px 12px;
    border-radius: 40px;
    z-index: 2;
    background: var(--accent);
    color: #000;
}
.product-card__badge--hot { background: var(--accent-hot); color: #fff; }
.product-card__badge--popular { background: var(--accent-gold); color: #000; }
.product-card__image {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #111 0%, #0d0d14 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    position: relative;
    overflow: hidden;
}
.product-card__image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 80%, rgba(0,210,255,0.06), transparent 50%);
}
.product-card__image svg { width: 180px; height: auto; position: relative; z-index: 1; }
.product-card__body {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.product-card__tag {
    font-family: var(--font-mono);
    font-size: .68rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 8px;
}
.product-card__name {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 10px;
}
.product-card__desc {
    color: var(--text-muted);
    font-size: .88rem;
    margin-bottom: 20px;
    flex: 1;
}
.product-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: auto;
}
.product-card__price {
    font-size: 1.6rem;
    font-weight: 900;
    font-family: var(--font-mono);
}
.product-card__price::before { content: '$'; font-size: .8em; }

/* ---- Why Choose ---- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.why-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all .3s;
}
.why-card:hover {
    border-color: var(--border-accent);
    background: var(--bg-card-hover);
}
.why-card__icon {
    font-size: 2rem;
    margin-bottom: 16px;
}
.why-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.why-card__text {
    color: var(--text-muted);
    font-size: .88rem;
}

/* ---- Testimonials ---- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}
.testimonial-card__stars {
    color: var(--accent-gold);
    font-size: 1rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}
.testimonial-card__text {
    color: var(--text-muted);
    font-size: .92rem;
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}
.testimonial-card__author {
    font-weight: 700;
    font-size: .88rem;
}

/* ---- CTA Banner ---- */
.cta-banner {
    background: linear-gradient(135deg, #001a33, #002244);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
    padding: 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin: 0 24px;
}
.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0,210,255,0.1), transparent);
}
.cta-banner__title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
}
.cta-banner__text {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 28px;
    position: relative;
}

/* ---- Product Detail Page ---- */
.product-hero {
    padding: 60px 0 80px;
}
.product-hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}
.product-hero__image {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    position: relative;
    overflow: hidden;
}
.product-hero__image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 80%, rgba(0,210,255,0.05), transparent 50%);
}
.product-hero__image svg { width: 80%; max-width: 360px; position: relative; z-index: 1; }
.product-hero__info { padding-top: 20px; }
.product-hero__badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    background: var(--accent-glow);
    border: 1px solid var(--border-accent);
    color: var(--accent);
    padding: 5px 14px;
    border-radius: 40px;
    margin-bottom: 16px;
}
.product-hero__name {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 900;
    margin-bottom: 12px;
}
.product-hero__desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 24px;
}
.product-hero__price {
    font-size: 2.4rem;
    font-weight: 900;
    font-family: var(--font-mono);
    color: var(--accent);
    margin-bottom: 32px;
}
.product-hero__price::before { content: '$'; font-size: .7em; }

/* Spec Table */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
}
.spec-table tr {
    border-bottom: 1px solid var(--border);
}
.spec-table td {
    padding: 14px 0;
    font-size: .9rem;
}
.spec-table td:first-child {
    color: var(--text-muted);
    font-weight: 500;
    width: 160px;
    padding-right: 24px;
}

/* Feature list */
.feature-list { margin: 24px 0; }
.feature-list li {
    padding: 8px 0 8px 28px;
    position: relative;
    color: var(--text-muted);
    font-size: .92rem;
}
.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: 700;
}

/* Box contents */
.box-contents {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    margin-top: 32px;
}
.box-contents h3 {
    font-size: 1rem;
    margin-bottom: 16px;
}
.box-contents li {
    padding: 6px 0 6px 24px;
    position: relative;
    color: var(--text-muted);
    font-size: .88rem;
}
.box-contents li::before {
    content: '📦';
    position: absolute;
    left: 0;
    font-size: .8rem;
}

/* ---- Contact Form ---- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}
.contact-info__item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
    align-items: flex-start;
}
.contact-info__icon {
    width: 48px;
    height: 48px;
    background: var(--accent-glow);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2rem;
}
.contact-info__label {
    font-weight: 700;
    margin-bottom: 4px;
    font-size: .92rem;
}
.contact-info__value {
    color: var(--text-muted);
    font-size: .88rem;
}

.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font);
    font-size: .92rem;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    transition: border-color .2s;
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-card); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Alert messages */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    font-size: .88rem;
    margin-bottom: 24px;
}
.alert--success {
    background: rgba(0,230,118,0.1);
    border: 1px solid rgba(0,230,118,0.3);
    color: var(--accent-green);
}
.alert--error {
    background: rgba(255,61,113,0.1);
    border: 1px solid rgba(255,61,113,0.3);
    color: var(--accent-hot);
}

/* ---- FAQ ---- */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
}
.faq-item__q {
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    user-select: none;
}
.faq-item__q::after {
    content: '+';
    font-size: 1.4rem;
    color: var(--accent);
    transition: transform .3s;
    flex-shrink: 0;
}
.faq-item.open .faq-item__q::after { transform: rotate(45deg); }
.faq-item__a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease, padding .3s;
    color: var(--text-muted);
    font-size: .92rem;
    line-height: 1.7;
}
.faq-item.open .faq-item__a {
    max-height: 600px;
    padding-top: 16px;
}

/* ---- About ---- */
.about-hero {
    padding: 80px 0 60px;
    text-align: center;
}
.about-hero__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 16px;
}
.about-hero__text {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ---- Breadcrumb ---- */
.breadcrumb {
    padding: 20px 0;
    font-size: .82rem;
    color: var(--text-dim);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb span { margin: 0 8px; opacity: .4; }

/* ---- Footer ---- */
.site-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    padding: 64px 0 0;
    margin-top: 80px;
}
/* Mailing list signup band */
.footer-subscribe {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    flex-wrap: wrap;
    padding-bottom: 40px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border);
}
.footer-subscribe__text h4 { font-size: 1.15rem; margin-bottom: 4px; }
.footer-subscribe__text p { color: var(--text-muted); font-size: .9rem; }
.footer-subscribe__form { display: flex; flex-wrap: wrap; gap: 10px; flex: 1; min-width: 280px; max-width: 600px; }
.footer-subscribe__form .fs-name { flex: 1 1 130px; min-width: 0; }
.footer-subscribe__form .fs-emailrow { display: flex; gap: 10px; flex: 2 1 280px; min-width: 0; }
.footer-subscribe__form .fs-emailrow input[type="email"] { flex: 1; min-width: 0; }
.footer-subscribe__form input[type="email"],
.footer-subscribe__form input[type="text"] {
    padding: 13px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: .9rem;
    font-family: var(--font);
}
.footer-subscribe__form .btn { white-space: nowrap; }
.footer-subscribe__form input:focus { outline: none; border-color: var(--accent); }
.footer-subscribe__msg {
    font-size: .92rem;
    font-weight: 600;
    padding: 13px 20px;
    border-radius: var(--radius-sm);
}
.footer-subscribe__msg--ok  { color: var(--accent-green); background: rgba(0,230,118,0.1); }
.footer-subscribe__msg--err { color: var(--accent-hot);   background: rgba(255,61,113,0.1); }
.footer-subscribe__note { flex-basis: 100%; color: var(--text-dim); font-size: .78rem; margin-top: -10px; }
@media (max-width: 600px) {
    .footer-subscribe { flex-direction: column; align-items: stretch; }
    .footer-subscribe__form { max-width: none; }
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 48px;
}
.footer-brand__desc {
    color: var(--text-muted);
    font-size: .85rem;
    margin: 16px 0;
    line-height: 1.7;
}
.footer-brand__social { display: flex; gap: 12px; }
.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    transition: all .2s;
}
.social-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.footer-links h4,
.footer-contact h4 {
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-muted);
    margin-bottom: 20px;
}
.footer-links a {
    display: block;
    color: var(--text-muted);
    font-size: .88rem;
    padding: 5px 0;
}
.footer-links a:hover { color: #fff; }
.footer-contact p {
    color: var(--text-muted);
    font-size: .88rem;
    margin-bottom: 8px;
}
.footer-contact a { color: var(--accent); }
.footer-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}
.badge {
    background: var(--accent-glow);
    color: var(--accent);
    font-size: .72rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 40px;
    border: 1px solid var(--border-accent);
}
.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    text-align: center;
    color: var(--text-dim);
    font-size: .78rem;
}
.logo--footer .logo__text { font-size: 1.1rem; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .hero__grid { grid-template-columns: 1fr; text-align: center; }
    .hero__subtitle { margin: 0 auto 32px; }
    .hero__actions { justify-content: center; }
    .hero__visual { order: -1; margin-bottom: 20px; }
    .products-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
    .why-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .trust-strip__inner { grid-template-columns: 1fr 1fr; }
    .product-hero__grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .cta-banner { padding: 40px 24px; margin: 0 12px; }

    .main-nav {
        display: none;
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: rgba(10,10,15,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
    }
    .main-nav.open { display: flex; }
    .nav-link { width: 100%; text-align: center; padding: 14px; }
    .hamburger { display: block; }
    .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .top-bar__inner { justify-content: center; }
    .top-bar__contact { display: none; }
}

@media (max-width: 480px) {
    .trust-strip__inner { grid-template-columns: 1fr; }
}

/* ---- Tier Ladder Page ---- */
.tier-ladder {
    max-width: 920px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.tier-row {
    display: flex;
    align-items: center;
    gap: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    transition: all .25s;
}
.tier-row:hover {
    border-color: var(--border-accent);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}
.tier-row--top {
    border-color: var(--accent-gold);
    background: linear-gradient(135deg, rgba(255,215,64,0.06), var(--bg-card) 60%);
    box-shadow: 0 0 30px rgba(255,215,64,0.08);
}
.tier-row__rank {
    flex-shrink: 0;
    width: 84px;
    text-align: center;
    border-right: 1px solid var(--border);
    padding-right: 18px;
}
.tier-row__num {
    display: block;
    font-family: var(--font-mono);
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
    color: var(--accent);
}
.tier-row--top .tier-row__num { color: var(--accent-gold); }
.tier-row__label {
    display: block;
    margin-top: 6px;
    font-size: .62rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-muted);
}
.tier-row--top .tier-row__label { color: var(--accent-gold); }
.tier-row__thumb {
    flex-shrink: 0;
    width: 110px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #111 0%, #0d0d14 100%);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.tier-row__thumb svg,
.tier-row__thumb img { width: 96px; height: auto; }
.tier-row__body { flex: 1; min-width: 0; }
.tier-row__tag {
    font-family: var(--font-mono);
    font-size: .64rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 4px;
}
.tier-row__name {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 6px;
}
.tier-row__name a { color: var(--text); text-decoration: none; transition: color .2s; }
.tier-row__name a:hover { color: var(--accent); }
.tier-row__desc {
    color: var(--text-muted);
    font-size: .88rem;
    line-height: 1.5;
    margin-bottom: 10px;
}
.tier-row__meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.tier-row__price {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 700;
}
.tier-stock {
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    padding: 3px 10px;
    border-radius: 40px;
}
.tier-stock--in  { background: rgba(0,230,118,0.12); color: var(--accent-green); }
.tier-stock--low { background: rgba(255,215,64,0.12); color: var(--accent-gold); }
.tier-stock--out { background: rgba(255,61,113,0.12); color: var(--accent-hot); }
.tier-row__cta { flex-shrink: 0; white-space: nowrap; }

@media (max-width: 720px) {
    .tier-row { flex-wrap: wrap; gap: 14px 18px; padding: 18px; }
    .tier-row__rank {
        width: auto;
        border-right: none;
        padding-right: 0;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .tier-row__num { font-size: 1.5rem; }
    .tier-row__label { margin-top: 0; }
    .tier-row__body { flex-basis: 100%; order: 3; }
    .tier-row__cta { width: 100%; justify-content: center; order: 4; }
}