/* happyERP AI Studio — ໜ້າຕະຫຼາດ
   ໂລກພາບດຽວກັບສະຕູດິໂອ ("ຄືນໄລຟ໌") ແຕ່ເປີດກວ້າງກວ່າ ຫາຍໃຈໄດ້ຫຼາຍກວ່າ.
   ຊັ້ນແປ ຄວາມເລິກມາຈາກການຊ້ອນ ບໍ່ແມ່ນເງົາ. ສີແດງ --live ໃຊ້ສະເພາະສິ່ງທີ່ໃຫ້ກົດ. */

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; overflow-x: hidden; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.35; margin: 0; font-weight: 700; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; display: block; }
em { font-style: normal; color: var(--live); }

.wrap { width: min(1140px, 100% - 40px); margin-inline: auto; }
@media (max-width: 600px) { .wrap { width: min(1140px, 100% - 28px); } }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--live); color: #fff; padding: 10px 18px; border-radius: 0 0 10px 0;
}
.skip:focus { left: 0; }

:focus-visible { outline: 2px solid var(--cf); outline-offset: 3px; border-radius: 4px; }

/* ═══════════ ປຸ່ມ ═══════════ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-body); font-size: 15px; font-weight: 700; line-height: 1;
  padding: 15px 26px; border-radius: 12px; border: 1px solid transparent;
  cursor: pointer; transition: transform .12s, background .18s, border-color .18s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.1;
           stroke-linecap: round; stroke-linejoin: round; }
.btn.primary { background: var(--live); color: #fff; }
.btn.primary:hover { background: var(--live-deep); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--text-faint); background: var(--panel); }
.btn:active { transform: translateY(1px); }
.btn.sm { padding: 11px 19px; font-size: 14px; border-radius: 10px; }
.btn.lg { padding: 18px 34px; font-size: 17px; border-radius: 14px; }

/* ═══════════ ຫົວໜ້າ ═══════════ */
.nav {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--ground-deep) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, background .2s;
}
.nav.stuck { border-bottom-color: var(--line-soft); }
.nav-in { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: flex; align-items: center; gap: 9px; font-family: var(--font-display); }
.brand-logo { width: 27px; height: 27px; flex: none; }
.brand-name { font-weight: 800; font-size: 16.5px; letter-spacing: -.01em; }
.brand-name b { color: var(--live); font-weight: 800; }
.brand-sep { color: var(--line); }
.brand-sub { font-size: 14px; color: var(--text-dim); font-weight: 600; }
.nav-links { display: flex; gap: 26px; margin-inline: auto; font-size: 14.5px; }
.nav-links a { color: var(--text-dim); font-weight: 600; padding: 6px 0; position: relative; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--live); border-radius: 2px; transition: right .22s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { right: 0; }
@media (max-width: 900px) { .nav-links { display: none; } .nav-in { justify-content: space-between; } }

/* ═══════════ HERO ═══════════ */
.hero { position: relative; overflow: hidden;
        padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 8vw, 104px); }
.hero::before {
  content: ""; position: absolute; inset: -20% -30% auto -30%; height: 620px; z-index: -1;
  background:
    radial-gradient(52% 62% at 22% 22%, color-mix(in srgb, var(--live) 17%, transparent), transparent 72%),
    radial-gradient(46% 58% at 82% 8%, color-mix(in srgb, var(--cf) 13%, transparent), transparent 70%);
  filter: blur(6px);
}
.hero-in { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (max-width: 940px) { .hero-in { grid-template-columns: 1fr; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13px; font-weight: 700; color: var(--text-dim);
  border: 1px solid var(--line); background: var(--panel);
  border-radius: 999px; padding: 7px 15px; margin-bottom: 22px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--live); flex: none;
       box-shadow: 0 0 0 0 color-mix(in srgb, var(--live) 70%, transparent); animation: pulse 2.4s infinite; }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--live) 60%, transparent); }
  70%  { box-shadow: 0 0 0 9px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

h1 { font-size: clamp(34px, 5.6vw, 60px); letter-spacing: -.02em; }
.lede { margin-top: 22px; font-size: clamp(16px, 1.55vw, 18.5px); color: var(--text-dim); max-width: 56ch; }
.cta-row { display: flex; gap: 13px; margin-top: 34px; flex-wrap: wrap; }

.hero-facts { display: flex; gap: 30px; list-style: none; padding: 0; margin: 40px 0 0; flex-wrap: wrap; }
.hero-facts li { display: flex; flex-direction: column; gap: 2px; }
.hero-facts b { font-family: var(--font-display); font-size: 17px; }
.hero-facts span { font-size: 13px; color: var(--text-faint); }

/* ໂທລະສັບ */
.hero-art { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.phone {
  position: relative; width: min(272px, 78vw); aspect-ratio: 9 / 19.2;
  border-radius: 34px; padding: 9px;
  background: linear-gradient(160deg, var(--panel-3), var(--panel));
  border: 1px solid var(--line);
  box-shadow: 0 30px 70px -24px rgba(0,0,0,.75), 0 0 0 1px rgba(255,255,255,.02) inset;
}
.phone video { width: 100%; height: 100%; object-fit: cover; border-radius: 26px; background: #000; }
.phone-notch {
  position: absolute; top: 9px; left: 50%; transform: translateX(-50%);
  width: 78px; height: 17px; background: var(--ground-deep);
  border-radius: 0 0 11px 11px; z-index: 2;
}
.live-tag {
  position: absolute; left: 50%; bottom: -13px; transform: translateX(-50%);
  background: var(--live); color: #fff; font-size: 11.5px; font-weight: 700;
  padding: 6px 14px; border-radius: 999px; white-space: nowrap;
  box-shadow: 0 8px 22px -8px var(--live);
}
.art-note { font-size: 12.5px; color: var(--text-faint); text-align: center; max-width: 32ch; margin-top: 8px; }

/* ═══════════ ແຖບເນື້ອຫາ ═══════════ */
.band { padding: clamp(60px, 8vw, 104px) 0; }
.band.alt { background: var(--ground-deep); border-block: 1px solid var(--line-soft); }

.sec-head { max-width: 62ch; margin-bottom: clamp(32px, 4vw, 52px); }
.sec-head h2 { font-size: clamp(26px, 3.6vw, 40px); letter-spacing: -.015em; }
.sec-head .sub { margin-top: 12px; color: var(--text-dim); font-size: 16px; }

/* ═══════════ ຜົນງານ ═══════════ */
.work-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 860px) { .work-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  overflow: hidden; display: flex; flex-direction: column;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--text-faint); transform: translateY(-2px); }
.card.wide { grid-column: 1 / -1; flex-direction: row; }
@media (max-width: 860px) { .card.wide { flex-direction: column; } }
.card.wide .card-media { flex: 1.25; }
.card.wide .card-body { flex: 1; }

.card-media { background: var(--ground-deep); position: relative; }
.card-media video, .card-media img { width: 100%; height: 100%; object-fit: cover; }
/* ຮູບເງົາເປັນວິດີໂອຕັ້ງ — ວາງໃຫ້ຢູ່ກາງ ບໍ່ຢືດຈົນມີແຖບດຳ */
.card-media.film {
  display: grid; place-items: center; padding: 26px 20px;
  background:
    radial-gradient(70% 60% at 50% 0%, color-mix(in srgb, var(--live) 9%, transparent), transparent 70%),
    var(--ground-deep);
}
.card-media.film video {
  width: auto; height: auto; max-height: 440px; aspect-ratio: 9 / 16;
  object-fit: cover; border-radius: 12px; border: 1px solid var(--line);
}
@media (max-width: 860px) { .card-media.film video { max-height: 400px; } }
.card-media:not(.film):not(.ba) img { aspect-ratio: 4 / 3; }

.card-body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 10px; }
.card-body h3 { font-size: 20px; }
.card-body p { color: var(--text-dim); font-size: 14.5px; }
.card-body b { color: var(--kip); font-weight: 700; }

.tag {
  align-self: flex-start; font-size: 11.5px; font-weight: 700;
  padding: 4px 11px; border-radius: 999px; border: 1px solid currentColor;
}
.tag.live { color: var(--live); }
.tag.cf   { color: var(--cf); }
.tag.kip  { color: var(--kip); }

/* ກ່ອນ / ຫຼັງ */
.card-media.ba { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); }
.card-media.ba figure { margin: 0; position: relative; background: var(--ground-deep); }
.card-media.ba img { aspect-ratio: 1 / 1; object-fit: contain; }
.card-media.ba figcaption {
  position: absolute; left: 9px; bottom: 9px;
  background: color-mix(in srgb, var(--ground-deep) 82%, transparent);
  border: 1px solid var(--line); color: var(--text-dim);
  font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px;
}

/* ═══════════ ຂັ້ນຕອນ ═══════════ */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: s; }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }
.steps li {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 24px 28px; position: relative;
}
.steps .num {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px;
  background: var(--live-tint); color: var(--live); border: 1px solid var(--live);
  font-family: var(--font-display); font-weight: 800; font-size: 17px; margin-bottom: 16px;
}
.steps h3 { font-size: 18px; margin-bottom: 8px; }
.steps p { color: var(--text-dim); font-size: 14.5px; }

/* ═══════════ ຄວາມສາມາດ ═══════════ */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 940px) { .feat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .feat-grid { grid-template-columns: 1fr; } }
.feat {
  background: var(--panel); border: 1px solid var(--line); border-radius: 15px;
  padding: 24px 22px 26px; transition: border-color .2s;
}
.feat:hover { border-color: var(--text-faint); }
.feat svg {
  width: 26px; height: 26px; fill: none; stroke: var(--live); stroke-width: 1.75;
  stroke-linecap: round; stroke-linejoin: round; margin-bottom: 14px;
}
.feat h3 { font-size: 17px; margin-bottom: 8px; }
.feat p { color: var(--text-dim); font-size: 14.5px; }
.feat b { color: var(--paid); font-weight: 700; }

/* ═══════════ ລາຄາ ═══════════ */
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 880px) { .price-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .price-grid { grid-template-columns: 1fr; } }
.price {
  background: var(--panel); border: 1px solid var(--line); border-radius: 15px;
  padding: 24px 20px; display: flex; flex-direction: column; gap: 5px; text-align: center;
}
.price b {
  font-family: var(--font-display); font-size: 34px; line-height: 1.1;
  color: var(--kip); font-variant-numeric: tabular-nums;
}
.price span { font-weight: 700; font-size: 15px; }
.price small { color: var(--text-faint); font-size: 12.5px; line-height: 1.6; }
.price.free { border-color: var(--paid); }
.price.free b { color: var(--paid); font-size: 27px; }
.price-note {
  margin-top: 22px; color: var(--text-dim); font-size: 14.5px;
  border-left: 2px solid var(--cf); padding-left: 16px; max-width: 66ch;
}

/* ═══════════ CTA ທ້າຍ ═══════════ */
.final { padding: clamp(64px, 9vw, 112px) 0; position: relative; overflow: hidden; }
.final::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(58% 78% at 50% 108%, color-mix(in srgb, var(--live) 20%, transparent), transparent 70%);
}
.final-in { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.final h2 { font-size: clamp(28px, 4.4vw, 46px); letter-spacing: -.02em; }
.final p { color: var(--text-dim); font-size: 17px; }
.final .btn { margin-top: 10px; }
.tiny { font-size: 12.5px; color: var(--text-faint); }

/* ═══════════ ທ້າຍໜ້າ ═══════════ */
.foot { border-top: 1px solid var(--line-soft); padding: 34px 0; background: var(--ground-deep); }
.foot-in { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; justify-content: space-between; }
.foot-in > div { display: flex; align-items: center; gap: 9px; font-family: var(--font-display); font-weight: 700; }
.foot nav { display: flex; gap: 22px; font-size: 14px; }
.foot nav a { color: var(--text-dim); }
.foot nav a:hover { color: var(--text); }

/* ═══════════ ປາກົດຕົວເມື່ອເລື່ອນຮອດ ═══════════ */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ເລືອກພາສາສຽງໃນບັດຮູບເງົາ */
.lang-pick { display: flex; align-items: center; gap: 7px; margin-top: 6px; flex-wrap: wrap; }
.lang-lbl { font-size: 12.5px; color: var(--text-faint); margin-right: 2px; }
.lang {
  font: inherit; font-size: 13px; font-weight: 700; line-height: 1; cursor: pointer;
  padding: 8px 15px; border-radius: 999px;
  background: var(--panel-2); color: var(--text-dim); border: 1px solid var(--line);
  transition: .15s;
}
.lang:hover { border-color: var(--text-faint); color: var(--text); }
.lang.on { background: var(--live); border-color: var(--live); color: #fff; }
.mini { font-size: 12.5px; color: var(--text-faint); margin-top: 4px; }