/* ===================================================================
   Annie KaiyDee POS — Landing (Light / Warm / Orange)
   ປັບໃຫ້ເຂົ້າຊຸດກັບແອັບຈິງ (ສົ້ມ #F57C00) ສະອາດ ອ່ານລາວງ່າຍ
   =================================================================== */
:root {
    --primary: #F57C00;
    --primary-dark: #E65100;
    --primary-light: #FF9800;
    --accent-red: #E53935;
    --bg: #FFFFFF;
    --bg-warm: #FFF8F1;
    --bg-warm-2: #FFF3E6;
    --text: #1F2430;
    --text-muted: #6B7280;
    --border: #EFE6DC;
    --green: #25D366;
    --shadow-sm: 0 2px 8px rgba(31, 36, 48, 0.05);
    --shadow-md: 0 8px 30px rgba(245, 124, 0, 0.08), 0 2px 8px rgba(31, 36, 48, 0.05);
    --shadow-lg: 0 20px 50px rgba(245, 124, 0, 0.14), 0 6px 16px rgba(31, 36, 48, 0.06);
    --radius: 16px;
    --radius-lg: 22px;
}

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

body {
    font-family: 'Noto Sans Lao', 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

html { scroll-behavior: smooth; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-weight: 800; line-height: 1.18; letter-spacing: -0.01em; color: var(--text); }

.gradient-text {
    background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 26px;
    border-radius: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    cursor: pointer;
    border: none;
    font-family: inherit;
    font-size: 1rem;
}
.btn-lg { padding: 16px 32px; font-size: 1.08rem; }

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 20px rgba(245, 124, 0, 0.28);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(245, 124, 0, 0.36); }

.btn-outline {
    background: #fff;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: var(--bg-warm-2); transform: translateY(-2px); }

.btn-whatsapp { background: var(--green); color: #fff; box-shadow: 0 8px 20px rgba(37, 211, 102, 0.28); }
.btn-whatsapp:hover { background: #1EBE5D; transform: translateY(-2px); }

.btn-facebook { background: #1877F2; color: #fff; box-shadow: 0 8px 20px rgba(24, 119, 242, 0.28); }
.btn-facebook:hover { background: #166FE5; transform: translateY(-2px); }

.btn-web { background: #E8F4FD; color: #1565C0; border: 1.5px solid #90CAF9; }
.btn-web:hover { background: #D6EBFB; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(21, 101, 192, 0.18); }

.w-100 { width: 100%; }

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 18px 0;
    transition: all 0.3s ease;
}
.navbar.scrolled {
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.nav-content { display: flex; justify-content: space-between; align-items: center; }
.logo {
    display: flex; align-items: center; gap: 10px;
    font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px; color: var(--text);
}
.logo-icon { color: var(--primary); }
.logo-img { width: 40px; height: 40px; border-radius: 10px; object-fit: cover; box-shadow: 0 3px 10px rgba(245,124,0,0.28); }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a:not(.btn) {
    color: var(--text-muted); text-decoration: none; font-weight: 600;
    transition: color 0.2s ease; font-size: 1rem;
}
.nav-links a:not(.btn):hover { color: var(--primary); }

/* ===== Hero ===== */
.hero {
    padding: 120px 0 80px; /* ບໍ່ມີຮູບປົກດ້ານເທິງ → ຫຼົບແຖບເມນູເອງ */
    background: radial-gradient(1100px 520px at 80% -5%, var(--bg-warm-2) 0%, rgba(255,243,230,0) 60%), var(--bg);
}
.hero-content {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
}
.badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 18px;
    background: #FFEBEE;
    color: var(--accent-red);
    border-radius: 30px;
    font-size: 0.92rem; font-weight: 700;
    margin-bottom: 26px;
    border: 1px solid #FFCDD2;
}
.hero h1 { font-size: 3.4rem; margin-bottom: 22px; }
.hero p { font-size: 1.18rem; color: var(--text-muted); margin-bottom: 36px; max-width: 540px; line-height: 1.7; }
.hero-buttons { display: flex; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }

.version-note { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 36px; display: flex; align-items: center; gap: 6px; }

.stats { display: flex; gap: 40px; }
.stat-item { display: flex; flex-direction: column; }
.stat-number { font-size: 2rem; font-weight: 800; color: var(--primary); line-height: 1.1; }
.stat-label { color: var(--text-muted); font-size: 0.9rem; margin-top: 2px; }

.hero-image-wrapper { position: relative; display: flex; justify-content: center; }
.glow-effect {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 78%; height: 78%;
    background: var(--primary-light);
    filter: blur(90px); opacity: 0.20; z-index: 0;
}

/* ===== Phone mockup (ຈຳລອງແອັບດ້ວຍ CSS — ສີສົ້ມ ຕາມແບຣນ) ===== */
.phone {
    position: relative; z-index: 1;
    width: 290px;
    background: #1c1c1e;
    border-radius: 42px;
    padding: 10px;
    box-shadow: var(--shadow-lg);
}
.phone-screen {
    background: #F5F6F8;
    border-radius: 34px;
    overflow: hidden;
    font-size: 12px;
}
.m-header {
    background: var(--primary);
    padding: 16px 14px 12px;
    color: #fff;
}
.m-shop { font-size: 17px; font-weight: 800; }
.m-sub { display: flex; align-items: center; gap: 6px; margin-top: 4px; font-size: 11px; }
.m-badge { background: #00C853; padding: 2px 8px; border-radius: 10px; font-size: 9px; font-weight: 700; }
.m-tabs { display: flex; gap: 6px; padding: 12px 12px 6px; }
.m-chip { padding: 6px 12px; border-radius: 16px; background: #fff; font-size: 11px; font-weight: 700; color: #6B7280; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.m-chip.on { background: var(--primary); color: #fff; }
.m-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 8px 12px 0; }
.m-prod { background: #fff; border-radius: 12px; padding: 8px; box-shadow: 0 1px 4px rgba(0,0,0,.05); }
.m-img { height: 52px; border-radius: 9px; margin-bottom: 6px; }
.m-name { font-size: 10.5px; font-weight: 700; color: #1F2430; }
.m-row { display: flex; align-items: center; justify-content: space-between; margin-top: 3px; }
.m-price { font-size: 12px; font-weight: 800; color: var(--primary); }
.m-add { width: 20px; height: 20px; border-radius: 7px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; line-height: 1; }
.m-cart { margin-top: 10px; background: #FFCC80; color: #5D4037; font-weight: 800; padding: 10px 14px; font-size: 12px; }

/* ===== Scarcity Banner (contained, warm gradient) ===== */
.scarcity-section { padding: 10px 0 0; }
.scarcity {
    background: linear-gradient(120deg, #FF9838 0%, #F57C00 55%, #E65100 100%);
    color: #fff;
    text-align: center;
    padding: 15px 26px;
    border-radius: 18px;
    font-weight: 700;
    font-size: 1.02rem;
    display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap;
    box-shadow: 0 12px 30px rgba(245, 124, 0, 0.28);
}
.scarcity i { flex-shrink: 0; }
.scarcity u {
    text-underline-offset: 3px;
    text-decoration-thickness: 2px;
    text-decoration-color: rgba(255,255,255,0.85);
}

/* ===== Section header ===== */
.section-header { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-header h2 { font-size: 2.5rem; margin-bottom: 14px; }
.section-header p { color: var(--text-muted); font-size: 1.12rem; }

/* ===== Promo poster showcase ===== */
.promo-showcase {
    padding: 80px 0 90px;
    background: radial-gradient(900px 480px at 50% 0%, var(--bg-warm-2) 0%, rgba(255,243,230,0) 65%), var(--bg);
}
.promo-frame {
    max-width: 720px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    background: #fff;
    line-height: 0;
}
.promo-frame img { width: 100%; height: auto; display: block; }
.promo-actions {
    display: flex; justify-content: center; gap: 16px;
    margin-top: 32px; flex-wrap: wrap;
}

/* ===== Features ===== */
.features { padding: 96px 0; background: var(--bg-warm); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.feature-card {
    background: #fff;
    padding: 32px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.feature-icon {
    width: 56px; height: 56px;
    background: var(--bg-warm-2);
    border-radius: 15px;
    display: flex; align-items: center; justify-content: center;
    color: var(--primary);
    margin-bottom: 20px;
}
.feature-card:hover .feature-icon { background: var(--primary); color: #fff; }
.feature-card h3 { font-size: 1.25rem; margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 0.98rem; line-height: 1.6; }

/* ===== How to start ===== */
.steps { padding: 96px 0; background: var(--bg); }
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.step-card { text-align: center; padding: 28px 22px; }
.step-num {
    width: 52px; height: 52px; margin: 0 auto 18px;
    background: var(--primary); color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; font-weight: 800;
    box-shadow: 0 8px 18px rgba(245, 124, 0, 0.28);
}
.step-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.step-card p { color: var(--text-muted); font-size: 0.96rem; }

/* ===== Pricing ===== */
.pricing { padding: 96px 0; background: var(--bg-warm); }
.pricing-grid { display: flex; justify-content: center; }
.pricing-card {
    background: #fff;
    padding: 44px 40px;
    position: relative;
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-lg);
    max-width: 480px;
    width: 100%;
    text-align: center;
}
.popular-badge {
    position: absolute;
    top: -16px; left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #fff;
    padding: 7px 22px;
    border-radius: 22px;
    font-size: 0.9rem; font-weight: 700;
    white-space: nowrap;
    box-shadow: 0 6px 16px rgba(245, 124, 0, 0.32);
}
.pricing-card h3 { font-size: 1.35rem; margin: 8px 0 14px; }
.price-old { color: var(--text-muted); text-decoration: line-through; font-size: 0.95rem; }
.price { display: flex; align-items: flex-start; justify-content: center; gap: 6px; margin: 4px 0 6px; }
.currency { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-top: 8px; }
.amount { font-size: 3.4rem; font-weight: 800; line-height: 1; color: var(--primary); }
.per { font-size: 1rem; color: var(--text-muted); align-self: flex-end; margin-bottom: 8px; }
.save-pill {
    display: inline-block;
    background: #E8F5E9; color: #2E7D32;
    font-size: 0.82rem; font-weight: 700;
    padding: 3px 12px; border-radius: 20px;
    margin-bottom: 8px;
}
.subtitle { color: var(--text-muted); margin-bottom: 26px; font-size: 1rem; }
.pricing-features { list-style: none; margin-bottom: 28px; text-align: left; }
.pricing-features li {
    display: flex; align-items: flex-start; gap: 12px;
    margin-bottom: 14px; color: var(--text); font-size: 1rem;
}
.pricing-features i { color: var(--green); width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; }
.pricing-cta { display: flex; flex-direction: column; gap: 12px; }
.fine-print { text-align: center; color: var(--text-muted); margin-top: 22px; font-size: 0.9rem; }

/* ===== Footer / Contact ===== */
.footer { padding: 90px 0 36px; background: var(--bg); }
.footer-content {
    padding: 64px 48px;
    text-align: center;
    background: linear-gradient(160deg, var(--bg-warm-2) 0%, var(--bg-warm) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.cta-section h2 { font-size: 2.2rem; margin-bottom: 14px; }
.cta-section p { color: var(--text-muted); margin-bottom: 34px; font-size: 1.12rem; }
.contact-methods { display: flex; justify-content: center; gap: 16px; margin-bottom: 56px; flex-wrap: wrap; }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    border-top: 1px solid var(--border);
    padding-top: 28px; margin-top: 8px;
    color: var(--text-muted); font-size: 0.92rem;
}
.footer-bottom a { color: var(--text-muted); text-decoration: none; font-size: 0.8rem; opacity: 0.6; }

/* ===== Cover banner ===== */
.cover-banner { padding: 88px 0 8px; background: var(--bg); }
.cover-banner img {
    width: 100%; height: auto; display: block;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

/* ===== Shop types ===== */
.shop-types { padding: 80px 0; background: var(--bg); }
.shop-chips {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;
    max-width: 900px; margin: 0 auto;
}
.shop-chip {
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 30px;
    padding: 11px 20px;
    font-size: 1rem; font-weight: 700; color: var(--text);
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    cursor: default;
}
.shop-chip:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

/* ===== Feature group titles ===== */
.feat-group-title {
    display: flex; align-items: center; gap: 10px;
    font-size: 1.35rem; font-weight: 800; color: var(--primary-dark);
    margin: 40px 0 20px;
}
.feat-group-title:first-of-type { margin-top: 0; }
.feat-group-title i { width: 26px; height: 26px; color: var(--primary); }

/* ===== Why choose ===== */
.why { padding: 96px 0; background: var(--bg-warm); }
.why-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px;
}
.why-card {
    background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 30px 26px; text-align: center; box-shadow: var(--shadow-sm);
    transition: transform .25s ease, box-shadow .25s ease;
}
.why-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.why-icon {
    width: 62px; height: 62px; margin: 0 auto 18px;
    background: var(--bg-warm-2); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; color: var(--primary);
}
.why-icon i { width: 30px; height: 30px; }
.why-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.why-card p { color: var(--text-muted); font-size: .98rem; line-height: 1.6; }

/* ===== FAQ ===== */
.faq { padding: 96px 0; background: var(--bg); }
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
    background: #fff; border: 1px solid var(--border); border-radius: 14px;
    padding: 4px 20px; box-shadow: var(--shadow-sm);
}
.faq-item summary {
    cursor: pointer; list-style: none; padding: 16px 0;
    font-weight: 700; font-size: 1.05rem; color: var(--text);
    display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+"; font-size: 1.5rem; color: var(--primary); font-weight: 400;
    transition: transform .2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--text-muted); padding: 0 0 18px; line-height: 1.7; }

/* ===== Sticky mobile CTA ===== */
.sticky-cta {
    display: none;
    position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 200;
    background: var(--primary); color: #fff; text-decoration: none;
    align-items: center; justify-content: center; gap: 10px;
    padding: 15px; border-radius: 16px; font-weight: 800; font-size: 1.1rem;
    box-shadow: 0 10px 26px rgba(245, 124, 0, 0.42);
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero h1 { font-size: 2.8rem; }
    .hero p { margin: 0 auto 36px; }
    .hero-buttons, .stats, .version-note { justify-content: center; }
    .hero-image-wrapper { margin-top: 40px; }
}
@media (max-width: 768px) {
    .nav-links a:not(.btn) { display: none; }
    /* ບໍ່ມີຮູບປົກ → ຫຼົບແຖບເມນູ (ຈໍແຄບຊື່ແບຣນຕັດເປັນ 2 ແຖວ ~113px) */
    .hero { padding: 132px 0 60px; }
    .logo span { white-space: nowrap; }
    .hero h1 { font-size: 2.3rem; }
    .section-header h2 { font-size: 2rem; }
    .contact-methods { flex-direction: column; }
    .pricing-card { padding: 36px 24px; }
    .amount { font-size: 2.9rem; }
    .footer-content { padding: 44px 24px; }
    .footer-bottom { flex-direction: column; gap: 12px; }
    .feat-group-title { font-size: 1.2rem; justify-content: center; }
    .shop-chip { font-size: .92rem; padding: 9px 15px; }
    .sticky-cta { display: flex; }
    .footer { padding-bottom: 90px; }
}