/**
 * TitanCart Landing — Design System (S373 rebuild)
 *
 * Hand-rolled CSS on the Pulse UI palette. Replaces the Tailwind Play CDN.
 * Tokens: primary #171717 · accent #2563EB · success #16A34A · amber #D97706
 *         error #DC2626 · text #0A0A0A · muted #737373 · border #E5E5E5 · bg #FFFFFF
 */

:root {
    --tcl-primary: #171717;
    --tcl-accent:  #2563EB;
    --tcl-accent-soft: #EFF4FF;
    --tcl-success: #16A34A;
    --tcl-success-soft: #F0FDF4;
    --tcl-amber:   #D97706;
    --tcl-error:   #DC2626;
    --tcl-error-soft: #FEF2F2;
    --tcl-text:    #0A0A0A;
    --tcl-muted:   #737373;
    --tcl-border:  #E5E5E5;
    --tcl-bg:      #FFFFFF;
    --tcl-bg-soft: #FAFAFA;
    --tcl-radius:  14px;
    --tcl-shadow:      0 1px 2px rgba(10,10,10,.04), 0 4px 16px rgba(10,10,10,.06);
    --tcl-shadow-lift: 0 4px 8px rgba(10,10,10,.06), 0 16px 40px rgba(10,10,10,.10);
}

/* ── Reset-ish ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--tcl-text);
    background: var(--tcl-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -0.02em; color: var(--tcl-text); }
p { margin: 0; }

/* ── Layout ────────────────────────────────────────────────── */
.tcl-container { max-width: 1152px; margin: 0 auto; padding: 0 24px; }
.tcl-section   { padding: 96px 0; }
.tcl-section--soft { background: var(--tcl-bg-soft); }
.tcl-section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.tcl-section-head h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; }
.tcl-section-head p  { margin-top: 16px; color: var(--tcl-muted); font-size: 17px; }

/* Eyebrow badge */
.tcl-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 14px; border-radius: 999px;
    background: var(--tcl-accent-soft); color: var(--tcl-accent);
    font-size: 13px; font-weight: 600; letter-spacing: .02em;
}

/* ── Buttons ───────────────────────────────────────────────── */
.tcl-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 26px; border-radius: 10px; border: 1px solid transparent;
    font-size: 15px; font-weight: 600; transition: all .2s ease;
}
.tcl-btn--primary { background: var(--tcl-primary); color: #fff; }
.tcl-btn--primary:hover { background: #000; transform: translateY(-1px); box-shadow: var(--tcl-shadow); }
.tcl-btn--accent { background: var(--tcl-accent); color: #fff; }
.tcl-btn--accent:hover { background: #1D4FD8; transform: translateY(-1px); box-shadow: var(--tcl-shadow); }
.tcl-btn--ghost { background: transparent; color: var(--tcl-text); border-color: var(--tcl-border); }
.tcl-btn--ghost:hover { border-color: var(--tcl-text); }
.tcl-btn--block { width: 100%; }

/* ── Navbar ────────────────────────────────────────────────── */
.tcl-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 60;
    background: rgba(255,255,255,0);
    transition: background .3s ease, box-shadow .3s ease;
}
.tcl-nav.is-scrolled {
    background: rgba(255,255,255,.9);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--tcl-border);
}
.tcl-nav__inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; max-width: 1152px; margin: 0 auto; }
.tcl-nav__logo { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; }
.tcl-nav__logo span { color: var(--tcl-accent); }
.tcl-nav__links { display: none; align-items: center; gap: 4px; }
.tcl-nav__link {
    padding: 8px 14px; border-radius: 999px;
    font-size: 14px; font-weight: 500; color: var(--tcl-muted);
    transition: all .2s ease;
}
.tcl-nav__link:hover { color: var(--tcl-text); background: var(--tcl-bg-soft); }
.tcl-nav__link.is-active { color: var(--tcl-accent); background: var(--tcl-accent-soft); }
.tcl-nav__cta { display: none; align-items: center; gap: 16px; }
.tcl-nav__contact { background: none; border: 0; padding: 0; font-size: 14px; font-weight: 500; color: var(--tcl-muted); }
.tcl-nav__contact:hover { color: var(--tcl-text); }
.tcl-nav__burger { display: inline-flex; background: none; border: 0; padding: 8px; color: var(--tcl-text); }
.tcl-nav__burger svg { width: 24px; height: 24px; }
.tcl-mobile-menu {
    display: none; background: var(--tcl-bg); border-top: 1px solid var(--tcl-border);
    padding: 16px 24px 24px; flex-direction: column; gap: 4px;
}
.tcl-mobile-menu.is-open { display: flex; }
.tcl-mobile-menu a:not(.tcl-btn), .tcl-mobile-menu button.tcl-nav__contact {
    padding: 12px 8px; font-size: 15px; font-weight: 500; color: var(--tcl-text); text-align: left;
    border-bottom: 1px solid var(--tcl-bg-soft);
}
.tcl-mobile-menu a.tcl-btn { color: #fff; text-align: center; border-bottom: 0; }
.tcl-mobile-menu .tcl-btn { margin-top: 16px; }
@media (min-width: 1024px) {
    .tcl-nav__links, .tcl-nav__cta { display: flex; }
    .tcl-nav__burger { display: none; }
}

/* ── Hero ──────────────────────────────────────────────────── */
.tcl-hero { padding: 176px 0 96px; text-align: center; position: relative; overflow: hidden; }
.tcl-hero::before {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background:
        radial-gradient(600px 300px at 50% 0%, rgba(37,99,235,.07), transparent 70%),
        linear-gradient(180deg, var(--tcl-bg-soft), var(--tcl-bg) 60%);
    z-index: -1;
}
.tcl-hero h1 { font-size: clamp(38px, 6vw, 64px); font-weight: 800; max-width: 880px; margin: 24px auto 0; }
.tcl-hero__sub { max-width: 720px; margin: 24px auto 0; font-size: 18px; color: var(--tcl-muted); }
.tcl-hero__ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }
.tcl-hero__stats {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
    background: var(--tcl-border); border: 1px solid var(--tcl-border);
    border-radius: var(--tcl-radius); overflow: hidden;
    max-width: 880px; margin: 64px auto 0;
}
.tcl-hero__stat { background: var(--tcl-bg); padding: 24px 12px; }
.tcl-hero__stat strong { display: block; font-size: 28px; font-weight: 800; letter-spacing: -0.02em; }
.tcl-hero__stat span { font-size: 13px; color: var(--tcl-muted); font-weight: 500; }
@media (min-width: 720px) { .tcl-hero__stats { grid-template-columns: repeat(4, 1fr); } }

/* ── Comparison (Anchor A) ─────────────────────────────────── */
.tcl-compare-table-wrap {
    border: 1px solid var(--tcl-border); border-radius: var(--tcl-radius);
    overflow: hidden; background: var(--tcl-bg); box-shadow: var(--tcl-shadow);
}
.tcl-compare-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.tcl-compare-table th {
    text-align: left; padding: 14px 20px; background: var(--tcl-primary); color: #fff;
    font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em;
}
.tcl-compare-table td { padding: 13px 20px; border-top: 1px solid var(--tcl-border); }
.tcl-compare-table tr:nth-child(even) td { background: var(--tcl-bg-soft); }
.tcl-compare-table .tcl-price { font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
.tcl-compare-table .tcl-in-tc { white-space: nowrap; }
.tcl-pill {
    display: inline-block; padding: 3px 10px; border-radius: 999px;
    font-size: 12px; font-weight: 600;
}
.tcl-pill--pro  { background: var(--tcl-accent-soft); color: var(--tcl-accent); }
.tcl-pill--core { background: var(--tcl-success-soft); color: var(--tcl-success); }
.tcl-compare-table tfoot td {
    background: var(--tcl-bg); border-top: 2px solid var(--tcl-text);
    font-weight: 800; font-size: 16px;
}
.tcl-compare-table tfoot .tcl-total-woo { color: var(--tcl-error); }
.tcl-compare-callout {
    margin-top: 40px; text-align: center;
    background: var(--tcl-success-soft); border: 1px solid #BBF7D0;
    border-radius: var(--tcl-radius); padding: 32px 24px;
}
.tcl-compare-callout strong { font-size: clamp(20px, 3vw, 26px); font-weight: 800; }
.tcl-compare-callout strong em { color: var(--tcl-success); font-style: normal; }
.tcl-compare-callout p { margin-top: 8px; color: var(--tcl-muted); font-size: 15px; }
.tcl-compare-note { margin-top: 16px; text-align: center; font-size: 13px; color: var(--tcl-muted); }
@media (max-width: 719px) {
    .tcl-compare-table thead { display: none; }
    .tcl-compare-table, .tcl-compare-table tbody, .tcl-compare-table tfoot,
    .tcl-compare-table tr, .tcl-compare-table td { display: block; width: 100%; }
    .tcl-compare-table td { border-top: 0; padding: 4px 20px; }
    .tcl-compare-table tr { padding: 12px 0; border-top: 1px solid var(--tcl-border); }
}

/* ── Included in Pro (Anchor B) ────────────────────────────── */
.tcl-ext-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px)  { .tcl-ext-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .tcl-ext-grid { grid-template-columns: repeat(3, 1fr); } }
.tcl-ext-card {
    background: var(--tcl-bg); border: 1px solid var(--tcl-border);
    border-radius: var(--tcl-radius); padding: 22px;
    display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
    transition: box-shadow .2s ease, transform .2s ease;
}
.tcl-ext-card:hover { box-shadow: var(--tcl-shadow-lift); transform: translateY(-2px); }
.tcl-ext-card h3 { font-size: 16px; font-weight: 700; }
.tcl-ext-card p { margin-top: 6px; font-size: 14px; color: var(--tcl-muted); }
.tcl-ext-card .tcl-ext-value { font-size: 13px; font-weight: 700; color: var(--tcl-accent); white-space: nowrap; }

/* ── Feature grid ──────────────────────────────────────────── */
.tcl-feat-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 640px)  { .tcl-feat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .tcl-feat-grid { grid-template-columns: repeat(3, 1fr); } }
.tcl-feat-card {
    background: var(--tcl-bg); border: 1px solid var(--tcl-border);
    border-radius: var(--tcl-radius); padding: 28px;
    transition: box-shadow .2s ease, transform .2s ease;
}
.tcl-feat-card:hover { box-shadow: var(--tcl-shadow-lift); transform: translateY(-2px); }
.tcl-feat-card__icon {
    width: 44px; height: 44px; border-radius: 10px;
    background: var(--tcl-accent-soft); color: var(--tcl-accent);
    display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.tcl-feat-card__icon svg { width: 22px; height: 22px; }
.tcl-feat-card h3 { font-size: 17px; font-weight: 700; }
.tcl-feat-card p { margin-top: 8px; font-size: 14.5px; color: var(--tcl-muted); }

/* ── Demos ─────────────────────────────────────────────────── */
.tcl-demo-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 640px)  { .tcl-demo-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .tcl-demo-grid { grid-template-columns: repeat(3, 1fr); } }
.tcl-demo-card {
    background: var(--tcl-bg); border: 1px solid var(--tcl-border);
    border-radius: var(--tcl-radius); overflow: hidden;
    transition: box-shadow .2s ease, transform .2s ease;
    display: flex; flex-direction: column;
}
.tcl-demo-card:hover { box-shadow: var(--tcl-shadow-lift); transform: translateY(-3px); }
.tcl-demo-card__img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--tcl-bg-soft); cursor: zoom-in; }
.tcl-demo-card__img img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform .35s ease; }
.tcl-demo-card:hover .tcl-demo-card__img img { transform: scale(1.03); }
.tcl-demo-card__img--empty {
    display: flex; align-items: center; justify-content: center;
    color: var(--tcl-muted); font-size: 13px; cursor: default;
}
.tcl-demo-card__body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.tcl-demo-card h3 { font-size: 16px; font-weight: 700; }
.tcl-demo-card p { margin-top: 6px; font-size: 14px; color: var(--tcl-muted); flex: 1; }
.tcl-demo-card__link { margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--tcl-accent); }
.tcl-demo-card__link:hover { text-decoration: underline; }

/* Lightbox */
.tcl-lightbox {
    position: fixed; inset: 0; z-index: 100; display: none;
    align-items: center; justify-content: center; padding: 32px;
    background: rgba(10,10,10,.82);
}
.tcl-lightbox.is-open { display: flex; }
.tcl-lightbox img {
    max-width: min(1000px, 92vw); max-height: 88vh;
    border-radius: 10px; box-shadow: var(--tcl-shadow-lift);
}
.tcl-lightbox__close {
    position: absolute; top: 20px; right: 24px;
    background: none; border: 0; color: #fff; padding: 8px;
}
.tcl-lightbox__close svg { width: 28px; height: 28px; }

/* ── Pricing ───────────────────────────────────────────────── */
.tcl-price-grid { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: stretch; }
@media (min-width: 900px) { .tcl-price-grid { grid-template-columns: repeat(3, 1fr); } }
.tcl-price-card {
    position: relative; background: var(--tcl-bg);
    border: 1px solid var(--tcl-border); border-radius: var(--tcl-radius);
    padding: 32px 28px; display: flex; flex-direction: column;
}
.tcl-price-card--popular { border-color: var(--tcl-accent); box-shadow: var(--tcl-shadow-lift); }
.tcl-price-card__badge {
    position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
    background: var(--tcl-accent); color: #fff;
    padding: 4px 14px; border-radius: 999px; font-size: 12px; font-weight: 700; white-space: nowrap;
}
.tcl-price-card h3 { font-size: 18px; font-weight: 700; }
.tcl-price-card__price { margin-top: 14px; display: flex; align-items: baseline; gap: 6px; }
.tcl-price-card__price strong { font-size: 44px; font-weight: 800; letter-spacing: -0.03em; }
.tcl-price-card__price span { color: var(--tcl-muted); font-size: 15px; }
.tcl-price-card__desc { margin-top: 8px; font-size: 14px; color: var(--tcl-muted); }
.tcl-price-card ul { list-style: none; margin: 22px 0 26px; padding: 0; display: grid; gap: 10px; flex: 1; }
.tcl-price-card li { display: flex; gap: 10px; font-size: 14.5px; align-items: flex-start; }
.tcl-price-card li svg { width: 18px; height: 18px; color: var(--tcl-success); flex-shrink: 0; margin-top: 2px; }

/* ── FAQ ───────────────────────────────────────────────────── */
.tcl-faq-list { max-width: 780px; margin: 0 auto; display: grid; gap: 12px; }
.tcl-faq-item { border: 1px solid var(--tcl-border); border-radius: 12px; background: var(--tcl-bg); overflow: hidden; }
.tcl-faq-item__q {
    width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px;
    padding: 18px 22px; background: none; border: 0; text-align: left;
    font-size: 15.5px; font-weight: 600; color: var(--tcl-text);
}
.tcl-faq-item__q svg { width: 18px; height: 18px; color: var(--tcl-muted); flex-shrink: 0; transition: transform .25s ease; }
.tcl-faq-item.is-open .tcl-faq-item__q svg { transform: rotate(45deg); }
.tcl-faq-item__a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.tcl-faq-item__a > div { padding: 0 22px 20px; font-size: 14.5px; color: var(--tcl-muted); }

/* ── CTA band ──────────────────────────────────────────────── */
.tcl-cta-band { background: var(--tcl-primary); color: #fff; border-radius: var(--tcl-radius); padding: 56px 32px; text-align: center; }
.tcl-cta-band h2 { color: #fff; font-size: clamp(24px, 3.5vw, 34px); font-weight: 800; }
.tcl-cta-band p { margin: 12px auto 0; max-width: 560px; color: rgba(255,255,255,.7); font-size: 16px; }
.tcl-cta-band .tcl-btn { margin-top: 28px; }
.tcl-cta-band .tcl-btn--accent:hover { background: #1D4FD8; }

/* ── Footer ────────────────────────────────────────────────── */
.tcl-footer { background: var(--tcl-primary); color: #fff; padding: 72px 0 0; margin-top: 96px; }
.tcl-footer__grid { display: grid; grid-template-columns: 1fr; gap: 40px; }
@media (min-width: 768px) { .tcl-footer__grid { grid-template-columns: 2fr 1fr 1fr; } }
.tcl-footer h3 { color: #fff; font-size: 19px; font-weight: 800; }
.tcl-footer h4 { color: #fff; font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 16px; }
.tcl-footer p { margin-top: 12px; color: rgba(255,255,255,.6); font-size: 14.5px; max-width: 360px; }
.tcl-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.tcl-footer a, .tcl-footer button.tcl-footer__contact {
    color: rgba(255,255,255,.6); font-size: 14.5px; transition: color .2s ease;
    background: none; border: 0; padding: 0; text-align: left;
}
.tcl-footer a:hover, .tcl-footer button.tcl-footer__contact:hover { color: #fff; }
.tcl-footer__bottom {
    margin-top: 56px; padding: 24px; text-align: center;
    border-top: 1px solid rgba(255,255,255,.12);
    color: rgba(255,255,255,.45); font-size: 13px;
}

/* ── Back to top ───────────────────────────────────────────── */
.tcl-back-to-top {
    position: fixed; bottom: 80px; right: 16px; z-index: 50;
    width: 46px; height: 46px; border-radius: 999px; border: 0;
    background: var(--tcl-primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--tcl-shadow-lift);
    opacity: 0; transform: translateY(12px); pointer-events: none;
    transition: opacity .3s ease, transform .3s ease;
}
.tcl-back-to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.tcl-back-to-top svg { width: 20px; height: 20px; }
@media (min-width: 640px) { .tcl-back-to-top { right: 24px; } }

/* ── Scroll fade-in ────────────────────────────────────────── */
.tcl-fade { opacity: 0; transform: translateY(28px); transition: opacity .6s ease-out, transform .6s ease-out; }
.tcl-fade.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
    .tcl-fade { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}