@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700&family=Montserrat:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #063b8e;
    --secondary: #ffdf00;
    --accent: #e63946;
    --dark: #152238;
    --light: #f5f7fb;
    --white: #ffffff;
    --text: #333333;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Kanit", Arial, sans-serif;
    color: var(--text);
    background: var(--light);
}

a {
    text-decoration: none;
}

/* =========================
   HEADER
========================= */

.topbar {
    background: var(--primary);
    color: white;
    padding: 8px 8%;
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.navbar {
    background: white;
    min-height: 75px;
    padding: 0 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    font-size: 24px;
    color: var(--primary);
}

.logo span {
    color: #e63946;
}

.logo small {
    display: block;
    font-family: "Kanit", sans-serif;
    font-size: 11px;
    color: #777;
    font-weight: 400;
}

.menu {
    display: flex;
    list-style: none;
    gap: 25px;
}

.menu a {
    color: var(--dark);
    font-weight: 500;
    transition: 0.3s;
}

.menu a:hover,
.menu a.active {
    color: var(--accent);
}

/* =========================
   BUTTON
========================= */

.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 500;
    transition: 0.3s;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: #032a67;
    transform: translateY(-2px);
}

.btn-yellow {
    background: var(--secondary);
    color: var(--dark);
}

.btn-whatsapp {
    background: #25D366;
    color: white;
}

/* =========================
   HERO
========================= */

.hero {
    min-height: 560px;
    background:
        linear-gradient(90deg,
        rgba(0,35,90,0.85),
        rgba(0,35,90,0.25)),
        url("../images/thailand-hero.jpg");
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 60px 8%;
}

.hero-content {
    max-width: 700px;
    color: white;
}

.hero-tag {
    display: inline-block;
    background: var(--secondary);
    color: var(--dark);
    padding: 7px 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero h1 {
    font-family: "Montserrat", sans-serif;
    font-size: 55px;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero h1 span {
    color: var(--secondary);
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* =========================
   GENERAL SECTION
========================= */

.section {
    padding: 75px 8%;
}

.section-light {
    background: white;
}

.section-title {
    text-align: center;
    margin-bottom: 15px;
}

.section-title h2 {
    font-family: "Montserrat", sans-serif;
    font-size: 34px;
    color: var(--primary);
}

.section-title p {
    color: #777;
    font-size: 18px;
    margin-top: 10px;
}

/* =========================
   SERVICE
========================= */

.service-grid {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.service-card {
    background: white;
    text-align: center;
    padding: 30px 15px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: 0.3s;
}

.service-card:hover {
    transform: translateY(-8px);
}

.service-icon {
    font-size: 42px;
    margin-bottom: 15px;
}

.service-card h3 {
    color: var(--primary);
}

/* =========================
   TOUR CARD
========================= */

.tour-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.tour-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: 0.3s;
}

.tour-card:hover {
    transform: translateY(-8px);
}

.tour-image {
    height: 220px;
    overflow: hidden;
}

.tour-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}

.tour-card:hover img {
    transform: scale(1.1);
}

.tour-content {
    padding: 20px;
}

.tour-content h3 {
    color: var(--primary);
    margin-bottom: 10px;
}

.tour-content p {
    color: #666;
    margin-bottom: 15px;
}

.tour-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    color: var(--accent);
    font-size: 18px;
    font-weight: 600;
}

/* =========================
   REGION
========================= */

.region-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.region-card {
    min-height: 250px;
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: flex-end;
    color: white;
    background-size: cover;
    background-position: center;
}

.region-overlay {
    width: 100%;
    padding: 25px;
    background: linear-gradient(
        transparent,
        rgba(0,0,0,0.9)
    );
}

.region-overlay h3 {
    font-size: 26px;
}

.region-overlay p {
    margin-top: 8px;
}

/* =========================
   REVIEW
========================= */

.review-section {
    background: var(--primary);
}

.review-section .section-title h2,
.review-section .section-title p {
    color: white;
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.review-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
}

.stars {
    color: #f7c600;
    margin-bottom: 15px;
}

.review-card p {
    color: #555;
    font-style: italic;
}

.customer {
    margin-top: 20px;
    font-weight: 600;
    color: var(--primary);
}

/* =========================
   TRANSPORT
========================= */

.transport-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.transport-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    text-align: center;
}

.transport-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.transport-card h3 {
    color: var(--primary);
    margin: 18px 0 8px;
}

.transport-card p {
    padding: 0 20px 20px;
    color: #666;
}

/* =========================
   CTA
========================= */

.cta {
    background: var(--secondary);
    padding: 50px 8%;
    text-align: center;
}

.cta h2 {
    color: var(--primary);
    font-size: 34px;
    margin-bottom: 15px;
}

.cta p {
    font-size: 19px;
    margin-bottom: 20px;
}

/* =========================
   FOOTER
========================= */

footer {
    background: var(--dark);
    color: white;
    padding: 50px 8% 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

footer h3 {
    color: var(--secondary);
    margin-bottom: 15px;
}

footer ul {
    list-style: none;
}

footer li {
    margin-bottom: 8px;
}

footer a {
    color: #ddd;
}

.copyright {
    border-top: 1px solid #445;
    margin-top: 35px;
    padding-top: 20px;
    text-align: center;
    color: #aaa;
}

/* =========================
   MOBILE
========================= */

@media (max-width: 900px) {

    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tour-grid,
    .region-grid,
    .review-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .transport-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .menu {
        gap: 12px;
        font-size: 14px;
    }

    .hero h1 {
        font-size: 42px;
    }
}

@media (max-width: 600px) {

    .topbar {
        display: none;
    }

    .navbar {
        padding: 15px 5%;
        flex-direction: column;
        gap: 15px;
    }

    .menu {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        min-height: 500px;
        padding: 50px 7%;
    }

    .hero h1 {
        font-size: 34px;
    }

    .hero p {
        font-size: 17px;
    }

    .section {
        padding: 55px 5%;
    }

    .section-title h2 {
        font-size: 27px;
    }

    .service-grid,
    .tour-grid,
    .region-grid,
    .review-grid,
    .transport-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}