:root {
    --bg: #f4f8fc;
    --text: #14233b;
    --muted: #617289;
    --primary: #0d6efd;
    --primary-dark: #084298;
    --accent: #16c79a;
    --card: #ffffff;
    --line: rgba(20, 35, 59, 0.08);
    --shadow: 0 20px 60px rgba(8, 66, 152, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "Be Vietnam Pro", system-ui, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem; color: var(--muted); }
h1,h2,h3,h4 { margin: 0 0 1rem; line-height: 1.2; }
img { max-width: 100%; display: block; }

.container {
    width: min(1160px, calc(100% - 32px));
    margin: 0 auto;
}

.hero {
    background:
      linear-gradient(rgba(7,24,44,.70), rgba(7,24,44,.62)),
      url('https://images.unsplash.com/photo-1501785888041-af3ef285b470?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
    color: #fff;
    padding-bottom: 70px;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
}
.brand {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    font-weight: 800;
}
.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: inline-grid;
    place-items: center;
    background: rgba(255,255,255,.14);
}
.nav-links {
    display: flex;
    gap: 22px;
    align-items: center;
    font-weight: 500;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 34px;
    align-items: center;
    padding-top: 50px;
}
.badge {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.18);
    margin-bottom: 18px;
    font-size: 14px;
}
h1 {
    font-size: clamp(2.4rem, 5vw, 4.7rem);
    margin-bottom: 18px;
}
.lead {
    font-size: 1.05rem;
    color: rgba(255,255,255,.86);
    max-width: 720px;
}
.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 28px;
}
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 32px;
}
.hero-stats div {
    background: rgba(255,255,255,.10);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 18px;
    padding: 16px;
}
.hero-stats strong {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 6px;
}
.hero-stats span { color: rgba(255,255,255,.78); font-size: 14px; }

.hero-visual { position: relative; min-height: 520px; }
.card-image {
    background-size: cover;
    background-position: center;
    border-radius: 28px;
    box-shadow: var(--shadow);
}
.hero-main-image {
    min-height: 520px;
    border: 1px solid rgba(255,255,255,.14);
}
.hero-floating-card {
    position: absolute;
    left: -16px;
    bottom: 24px;
    background: #fff;
    color: var(--text);
    border-radius: 22px;
    box-shadow: var(--shadow);
    padding: 20px;
    max-width: 260px;
}
.hero-floating-card span {
    display: inline-block;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--primary);
    margin-bottom: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border-radius: 14px;
    font-weight: 700;
    transition: .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #042018; }
.btn-light { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.14); }
.btn-outline { border: 1px solid rgba(255,255,255,.3); }
.btn-white { background: #fff; color: #0b2d52; }

.section { padding: 84px 0; }
.section-soft { background: #edf4fb; }
.section-accent { background: linear-gradient(135deg, #0d6efd, #12b886); color: #fff; }
.section-kicker {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1.8px;
    font-size: 12px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 16px;
}
.section-kicker.light { color: rgba(255,255,255,.74); }
.section-head {
    display: flex;
    justify-content: space-between;
    gap: 26px;
    align-items: end;
    margin-bottom: 28px;
}
.section-head > p { max-width: 420px; }

.intro-grid, .reasons-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
}
.image-stack {
    position: relative;
    min-height: 460px;
}
.image-stack .large {
    min-height: 420px;
    width: 82%;
}
.image-stack .small {
    min-height: 220px;
    width: 48%;
    position: absolute;
    right: 0;
    bottom: 0;
    border: 8px solid var(--bg);
}

.tour-grid, .service-grid, .process-grid, .testimonial-grid, .news-grid, .footer-grid {
    display: grid;
    gap: 20px;
}
.tour-grid { grid-template-columns: repeat(3, 1fr); }
.service-grid { grid-template-columns: repeat(4, 1fr); }
.process-grid { grid-template-columns: repeat(4, 1fr); }
.testimonial-grid { grid-template-columns: repeat(3, 1fr); }
.news-grid { grid-template-columns: repeat(3, 1fr); }
.footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }

.tour-card, .service-card, .process-card, .testimonial-card, .news-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 16px 42px rgba(10, 45, 82, .06);
}
.tour-image { height: 230px; background-size: cover; background-position: center; }
.tour-body { padding: 22px; }
.tour-days {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eaf2ff;
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 12px;
}
.tour-meta {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-top: 16px;
}
.tour-meta a { color: var(--primary); font-weight: 700; }

.service-card, .process-card, .testimonial-card, .news-card { padding: 24px; }
.reasons-section { background: #fff; }
.reasons-image { min-height: 420px; }
.check-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.check-list li {
    position: relative;
    padding-left: 34px;
    margin-bottom: 16px;
    color: var(--muted);
}
.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: inline-grid;
    place-items: center;
    background: #e7fbf4;
    color: #0a9f74;
    font-weight: 800;
}

.step-number {
    display: inline-block;
    font-size: 2rem;
    font-weight: 800;
    color: rgba(13,110,253,.16);
    margin-bottom: 10px;
}
.quote { font-size: 1.02rem; color: var(--text); }
.testimonial-card span { color: var(--muted); font-size: 14px; }
.news-card span {
    display: inline-block;
    margin-bottom: 14px;
    color: var(--accent);
    text-transform: uppercase;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.1px;
}
.news-card a { color: var(--primary); font-weight: 700; }

.cta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 22px;
}

.footer {
    background: #081523;
    color: #d2deea;
    padding: 72px 0 28px;
}
.footer h3,.footer h4 { color: #fff; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 10px; color: #b3c4d8; }
.footer-bottom {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,.08);
    color: #8ea3bb;
}

@media (max-width: 1024px) {
    .hero-grid, .intro-grid, .reasons-grid,
    .tour-grid, .service-grid, .process-grid, .testimonial-grid, .news-grid, .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .section-head, .cta { flex-direction: column; align-items: flex-start; }
}

.floating-contact {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 30;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px 10px 10px;
    border-radius: 999px;
    color: #fff;
    font-weight: 700;
    box-shadow: 0 16px 34px rgba(10, 45, 82, .18);
}

.contact-pill .icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: inline-grid;
    place-items: center;
    background: rgba(255,255,255,.18);
    font-size: 14px;
}

.contact-pill.zalo { background: #0068ff; }
.contact-pill.messenger { background: linear-gradient(135deg, #0084ff, #a033ff); }
.contact-pill.telegram { background: #229ed9; }

@media (max-width: 768px) {
    .nav, .nav-links, .hero-actions { flex-direction: column; align-items: flex-start; }
    .hero-grid, .intro-grid, .reasons-grid,
    .tour-grid, .service-grid, .process-grid, .testimonial-grid, .news-grid, .footer-grid,
    .hero-stats {
        grid-template-columns: 1fr;
    }
    .image-stack { min-height: auto; }
    .image-stack .large, .image-stack .small { position: static; width: 100%; min-height: 240px; border-width: 0; }
    .hero-visual { min-height: auto; }
    .hero-main-image { min-height: 320px; }
    .hero-floating-card { position: static; margin-top: 18px; max-width: none; }
    .section { padding: 64px 0; }
    .floating-contact {
        right: 12px;
        bottom: 12px;
    }
    .contact-pill .text {
        display: none;
    }
    .contact-pill {
        padding: 10px;
    }
}