/* ============================================================
   X-Booster — Landing page (LIGHT THEME)
   Brand: cyan + hot-pink accents on light. Font: Kanit / Inter.
   ============================================================ */

:root {
  --cyan: #06b6c4;      /* accessible cyan on light */
  --cyan-bright: #21e6e6;
  --pink: #ff2d6b;
  --ink: #0e1524;       /* headings / dark text */
  --body: #46506a;      /* body text */
  --muted: #7a8399;
  --bg: #ffffff;
  --bg-2: #f5f7fb;      /* light section */
  --bg-3: #eef2f8;
  --card: #ffffff;
  --line: #e6eaf1;
  --dark: #0b1120;      /* dark hero-frame / footer */
  --grad: linear-gradient(100deg, var(--cyan-bright), var(--pink));
  --grad-ink: linear-gradient(100deg, #0891a0, var(--pink));
  --shadow-sm: 0 6px 20px -8px rgba(16, 24, 40, .18);
  --shadow: 0 24px 60px -24px rgba(16, 24, 40, .35);
  --shadow-color: 0 20px 50px -20px rgba(255, 45, 107, .45);
  --radius: 18px;
  --maxw: 1200px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg); color: var(--body); line-height: 1.6;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
h1, h2, h3, h4, .eyebrow, .brand, .btn { font-family: "Kanit", sans-serif; }
h1, h2, h3, h4 { color: var(--ink); }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: min(100% - 40px, var(--maxw)); margin-inline: auto; }

.skip-link { position: absolute; left: -999px; top: 0; z-index: 200; background: var(--cyan); color: #fff; padding: 10px 16px; border-radius: 0 0 10px 0; }
.skip-link:focus { left: 0; }

.grad-text { background: var(--grad-ink); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }

.eyebrow { display: inline-block; font-weight: 600; font-size: .8rem; letter-spacing: .28em; text-transform: uppercase; color: var(--cyan); margin-bottom: 14px; }

/* ---------------- Buttons ---------------- */
.btn {
  --pad: 14px 26px;
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: var(--pad); font-weight: 600; font-size: .95rem; letter-spacing: .02em;
  border-radius: 999px; border: 1px solid transparent; cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s, border-color .25s;
  white-space: nowrap;
}
.btn--primary { background: var(--grad); color: #04060b; box-shadow: var(--shadow-color); }
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 24px 50px -18px rgba(6, 182, 196, .6); }
.btn--ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-3px); }
.btn--sm { --pad: 10px 18px; font-size: .85rem; }
.btn--lg { --pad: 17px 34px; font-size: 1.05rem; }

/* ---------------- Header ---------------- */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 100; padding: 18px 0; transition: background .3s, box-shadow .3s, padding .3s, border-color .3s; border-bottom: 1px solid transparent; }
.site-header.scrolled { background: rgba(255, 255, 255, .88); backdrop-filter: blur(14px); border-bottom-color: var(--line); box-shadow: 0 4px 20px -12px rgba(16,24,40,.25); padding: 10px 0; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; line-height: 0; transition: transform .3s var(--ease); }
.brand:hover { transform: scale(1.04); }
.brand__logo { height: 76px; width: auto; display: block; transition: height .3s var(--ease); }
.site-header.scrolled .brand__logo { height: 56px; }
.nav__links { display: flex; align-items: center; gap: 28px; }
.nav__links a { font-family: "Inter", sans-serif; font-weight: 500; font-size: .95rem; color: var(--body); position: relative; transition: color .2s; }
.nav__links a:not(.nav__cta):hover { color: var(--ink); }
.nav__links a:not(.nav__cta)::after { content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--grad); transition: width .3s var(--ease); }
.nav__links a:not(.nav__cta):hover::after { width: 100%; }
.nav__cta { color: #04060b !important; }
.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { width: 26px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative; padding: 150px 0 90px; overflow: hidden;
  background:
    radial-gradient(60% 60% at 88% 12%, rgba(255, 45, 107, .10), transparent 70%),
    radial-gradient(55% 55% at 5% 20%, rgba(33, 230, 230, .12), transparent 70%),
    linear-gradient(180deg, #ffffff 0%, var(--bg-2) 100%);
}
.hero__glow { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
.hero__copy { max-width: 620px; }
.hero__title { font-weight: 800; font-size: clamp(2.6rem, 6vw, 4.8rem); line-height: .98; letter-spacing: -.02em; text-transform: uppercase; margin-bottom: 22px; }
.hero__lead { font-size: clamp(1rem, 1.5vw, 1.18rem); color: var(--body); max-width: 540px; margin-bottom: 32px; }
.hero__lead strong { color: var(--ink); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
.hero__stats { list-style: none; display: flex; flex-wrap: wrap; gap: 34px; }
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats b { font-family: "Kanit", sans-serif; font-weight: 700; font-size: 1.5rem; background: var(--grad-ink); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero__stats span { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }

.hero__visual { position: relative; }
.hero__frame {
  position: relative; border-radius: 26px; overflow: hidden;
  background: radial-gradient(120% 120% at 70% 30%, #16233e, var(--dark));
  box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.6);
  aspect-ratio: 5 / 5.4;
}
.hero__frame img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
.hero__badge {
  position: absolute; z-index: 3; font-family: "Kanit", sans-serif; font-weight: 700;
  font-size: .8rem; letter-spacing: .05em; text-transform: uppercase; padding: 10px 18px;
  border-radius: 999px; background: #fff; color: var(--ink); box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
}
.hero__badge--1 { top: 26px; left: -14px; }
.hero__badge--1::before { content: "✦ "; color: var(--pink); }
.hero__badge--2 { bottom: 30px; right: -14px; }
.hero__badge--2::before { content: "✦ "; color: var(--cyan); }

.hero__scroll { position: absolute; left: 50%; bottom: 20px; translate: -50% 0; z-index: 3; }
.hero__scroll span { display: block; width: 24px; height: 40px; border: 2px solid rgba(14,21,36,.25); border-radius: 14px; position: relative; }
.hero__scroll span::after { content: ""; position: absolute; left: 50%; top: 8px; translate: -50% 0; width: 4px; height: 8px; border-radius: 3px; background: var(--pink); animation: scroll 1.6s var(--ease) infinite; }
@keyframes scroll { 0% { opacity: 0; top: 8px; } 40% { opacity: 1; } 80% { opacity: 0; top: 20px; } 100% { opacity: 0; } }

/* ---------------- Marquee ---------------- */
.marquee { background: var(--grad); color: #04060b; overflow: hidden; padding: 12px 0; }
.marquee__track { display: flex; align-items: center; gap: 26px; width: max-content; animation: marquee 26s linear infinite; font-family: "Kanit", sans-serif; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; font-size: 1rem; }
.marquee__track i { font-style: normal; opacity: .55; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------------- Sections ---------------- */
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section__head { max-width: 640px; margin: 0 auto clamp(38px, 5vw, 62px); text-align: center; }
.section__head h2 { font-weight: 700; font-size: clamp(2rem, 4.4vw, 3.1rem); line-height: 1.05; text-transform: uppercase; letter-spacing: -.01em; margin-bottom: 14px; }
.section__head p { color: var(--muted); font-size: 1.06rem; }

/* Stats band */
.stats-band { padding: clamp(40px, 6vw, 64px) 0; background: var(--dark); }
.stats-band__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat { padding: 10px; }
.stat b { display: block; font-family: "Kanit", sans-serif; font-weight: 800; font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat span { color: #c3ccdd; font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; margin-top: 8px; display: block; }

/* Products */
.products { background: var(--bg); }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; position: relative; transition: transform .4s var(--ease), border-color .4s, box-shadow .4s; }
.card:hover { transform: translateY(-10px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.card__media { aspect-ratio: 1; overflow: hidden; background: #000; }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.card:hover .card__media img { transform: scale(1.06); }
.card__body { padding: 22px 22px 26px; }
.card__body h3 { font-size: 1.4rem; text-transform: uppercase; margin-bottom: 6px; }
.card__body p { color: var(--muted); font-size: .95rem; margin-bottom: 16px; min-height: 2.6em; }
.chip { display: inline-block; font-family: "Kanit", sans-serif; font-weight: 600; font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; padding: 6px 14px; border-radius: 999px; color: color-mix(in srgb, var(--accent) 78%, #000); border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); background: color-mix(in srgb, var(--accent) 12%, #fff); }

/* Why / features */
.why { background: var(--bg-2); }
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 26px; transition: transform .35s var(--ease), border-color .35s, box-shadow .35s; }
.feature:hover { transform: translateY(-8px); border-color: color-mix(in srgb, var(--cyan) 40%, var(--line)); box-shadow: var(--shadow); }
.feature__icon { font-size: 1.6rem; width: 60px; height: 60px; display: grid; place-items: center; border-radius: 14px; background: linear-gradient(135deg, rgba(33,230,230,.16), rgba(255,45,107,.16)); margin-bottom: 20px; }
.feature h3 { font-size: 1.2rem; text-transform: uppercase; margin-bottom: 10px; }
.feature p { color: var(--muted); font-size: .95rem; }

/* Made for your moment (tiles) — clean gap-free bento */
.moments { background: var(--bg); }
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(2, 232px); gap: 18px; }
.tile { position: relative; margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.tile--feature { grid-column: span 2; grid-row: span 2; }
.tile img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.tile::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(6,10,20,.82)); transition: background .35s; }
.tile figcaption { position: absolute; left: 20px; bottom: 18px; z-index: 2; }
.tile figcaption span {
  display: inline-flex; align-items: center; color: #fff; font-family: "Kanit", sans-serif;
  font-weight: 700; text-transform: uppercase; letter-spacing: .05em; font-size: 1.05rem;
}
.tile figcaption span::before { content: ""; width: 22px; height: 3px; border-radius: 3px; background: var(--grad); margin-right: 10px; transition: width .35s var(--ease); }
.tile--feature figcaption span { font-size: 1.5rem; }
.tile:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.tile:hover img { transform: scale(1.07); }
.tile:hover::after { background: linear-gradient(180deg, rgba(6,10,20,.15) 0%, rgba(6,10,20,.85)); }
.tile:hover figcaption span::before { width: 40px; }

/* How it works */
.how { background: var(--bg-2); }
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.step { position: relative; padding: 36px 28px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.step__num { font-family: "Kanit", sans-serif; font-weight: 800; font-size: 2.4rem; line-height: 1; background: var(--grad-ink); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; display: block; margin-bottom: 16px; }
.step h3 { font-size: 1.25rem; text-transform: uppercase; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: .95rem; }

/* Comparison */
.compare { background: var(--bg); }
.compare__grid { max-width: 760px; margin-inline: auto; }
.compare__table { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.compare__table th, .compare__table td { padding: 16px 18px; text-align: center; font-size: .98rem; }
.compare__table thead th { font-family: "Kanit", sans-serif; text-transform: uppercase; letter-spacing: .04em; font-size: .95rem; background: var(--bg-3); color: var(--muted); }
.compare__table thead th.is-us { background: var(--grad); color: #04060b; }
.compare__table tbody th { text-align: left; color: var(--ink); font-family: "Inter", sans-serif; font-weight: 600; }
.compare__table tbody tr:not(:last-child) th, .compare__table tbody tr:not(:last-child) td { border-bottom: 1px solid var(--line); }
.compare__table td.is-us { font-weight: 700; color: var(--ink); background: rgba(6,182,196,.06); }
.compare__table td { color: var(--muted); }

/* What's inside */
.inside { background: var(--bg-2); }
.inside__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 72px); align-items: center; }
.inside__media { border-radius: 24px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.inside__copy h2 { font-weight: 700; font-size: clamp(1.9rem, 4vw, 2.8rem); text-transform: uppercase; margin-bottom: 16px; }
.inside__copy p { color: var(--muted); margin-bottom: 24px; font-size: 1.05rem; }
.ticks { list-style: none; margin-bottom: 30px; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 34px; color: var(--body); }
.ticks li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .8rem; font-weight: 700; color: #04060b; background: var(--grad); }

/* FAQ */
.faq { background: var(--bg); }
.faq__wrap { max-width: 820px; }
.accordion { display: grid; gap: 14px; }
.ac { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; transition: border-color .3s, box-shadow .3s; }
.ac[open] { border-color: color-mix(in srgb, var(--cyan) 45%, var(--line)); box-shadow: var(--shadow-sm); }
.ac summary { list-style: none; cursor: pointer; padding: 20px 24px; font-family: "Kanit", sans-serif; font-weight: 600; font-size: 1.08rem; color: var(--ink); display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.ac summary::-webkit-details-marker { display: none; }
.ac summary::after { content: "+"; font-size: 1.5rem; line-height: 1; color: var(--cyan); transition: transform .3s var(--ease); }
.ac[open] summary::after { transform: rotate(45deg); }
.ac__body { padding: 0 24px 22px; }
.ac__body p { color: var(--muted); }
.ac__body a { color: var(--cyan); font-weight: 600; }

/* CTA */
.cta { background: var(--bg-2); }
.cta__box { text-align: center; max-width: 860px; margin-inline: auto; padding: clamp(44px, 6vw, 80px); border-radius: 28px; background: radial-gradient(120% 120% at 0% 0%, rgba(33,230,230,.12), transparent 55%), radial-gradient(120% 120% at 100% 100%, rgba(255,45,107,.14), transparent 55%), #fff; border: 1px solid var(--line); box-shadow: var(--shadow); position: relative; overflow: hidden; }
.cta__box h2 { font-weight: 800; font-size: clamp(2rem, 5vw, 3.4rem); text-transform: uppercase; margin-bottom: 16px; }
.cta__box p { color: var(--body); font-size: 1.1rem; max-width: 620px; margin: 0 auto 32px; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

/* ---------------- Footer ---------------- */
.site-footer { background: var(--dark); color: #c3ccdd; position: relative; overflow: hidden; }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad); }
.footer__cta { border-bottom: 1px solid rgba(255,255,255,.09); background: linear-gradient(180deg, rgba(255,255,255,.03), transparent); }
.footer__cta-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding: 40px 0; }
.footer__cta-inner p { font-family: "Kanit", sans-serif; font-weight: 700; font-size: clamp(1.4rem, 3vw, 2rem); color: #fff; text-transform: uppercase; letter-spacing: .01em; margin: 0; }
.footer__cta-inner strong { color: transparent; background: var(--grad); -webkit-background-clip: text; background-clip: text; }
.footer__grid { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 0 44px; }
.footer__brand img { height: 96px; width: auto; margin-bottom: 20px; }
.footer__brand p { color: #98a3ba; max-width: 320px; line-height: 1.7; }
.footer__col h4 { font-family: "Kanit", sans-serif; text-transform: uppercase; letter-spacing: .14em; font-size: .82rem; margin-bottom: 18px; color: var(--cyan-bright); }
.footer__col a { display: block; width: fit-content; color: #a6b0c5; padding: 7px 0; transition: color .2s, transform .2s; }
.footer__col a:hover { color: #fff; transform: translateX(4px); }
.footer__bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding: 24px 0 30px; border-top: 1px solid rgba(255,255,255,.1); color: #7c88a1; font-size: .82rem; }
.footer__disc { max-width: 520px; opacity: .8; }

/* ---------------- Reveal animation ---------------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------------- Responsive ---------------- */
@media (max-width: 1000px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .stats-band__grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .tiles { grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(3, 200px); }
  .tile--feature { grid-column: span 2; grid-row: span 1; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { max-width: 460px; margin-inline: auto; width: 100%; }
  .hero { padding-top: 130px; }
}
@media (max-width: 720px) {
  .nav__toggle { display: flex; }
  .nav__links { position: fixed; inset: 0 0 0 auto; width: min(80vw, 330px); flex-direction: column; align-items: flex-start; gap: 6px; background: #fff; padding: 100px 30px 40px; border-left: 1px solid var(--line); box-shadow: -20px 0 50px -20px rgba(16,24,40,.3); transform: translateX(100%); transition: transform .4s var(--ease); z-index: 90; }
  .nav__links.open { transform: none; }
  .nav__links a { font-size: 1.1rem; padding: 10px 0; }
  .nav__cta { margin-top: 14px; }
  .brand__logo, .site-header.scrolled .brand__logo { height: 56px; }
}
@media (max-width: 520px) {
  .cards { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: 1fr; grid-template-rows: none; grid-auto-rows: 180px; }
  .tile--feature { grid-column: span 1; grid-row: span 1; grid-auto-rows: 220px; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__stats { gap: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}