/* ═══════════════════════════════════════════
   TAXI WEBSITE - STYLES
   ═══════════════════════════════════════════ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #faf8f5;
    --bg-alt: #f4f0eb;
    --white: #ffffff;
    --dark: #1a1a1a;
    --gray: #7a7a7a;
    --border: #e5ddd5;
    --accent: #f5a623;
    --accent-dark: #d98e0e;
    --green: #10b981;
    --zalo: #0068ff;
    --whatsapp: #25d366;
    --whatsapp-dark: #1ebe5a;
    --danger: #d93025;
    --success: #1a7f37;

    --font-display: 'Playfair Display', serif;
    --font-body: 'Poppins', sans-serif;

    --container: 1240px;
    --transition: all 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.75;
    color: var(--dark);
    background: var(--bg);
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
}

em { font-style: italic; color: var(--accent-dark); }

/* ═══ HEADER ═══ */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(12px);
    transition: var(--transition);
}

.header.scrolled {
    padding: 14px 0;
    background: rgba(26, 26, 26, 0.98);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    color: white;
}

.logo-mark { font-size: 24px; }
.logo-text span { color: var(--accent); }

.nav-list { display: flex; gap: 32px; }

.nav-list a {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    transition: color 0.3s;
}

.nav-list a:hover { color: var(--accent); }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    margin: 5px 0;
    transition: var(--transition);
}

/* ═══ BUTTONS ═══ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

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

.btn-primary:hover:not(:disabled) {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: white;
    border-color: rgba(255,255,255,0.5);
}

.btn-ghost:hover {
    background: white;
    color: var(--dark);
    border-color: white;
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.header-cta {
    padding: 10px 24px;
    font-size: 12px;
    border-radius: 4px;
}

/* ═══ HERO ═══ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 70%; height: 200%;
    background: radial-gradient(circle, rgba(245, 166, 35, 0.15) 0%, transparent 60%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(245, 166, 35, 0.4);
}

.hero h1 {
    font-size: clamp(42px, 6vw, 72px);
    margin-bottom: 24px;
    color: white;
}

.hero h1 em { color: var(--accent); }

.hero p {
    font-size: 17px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ═══ SECTION HEADERS ═══ */
.section-header {
    max-width: 700px;
    margin: 0 auto 56px;
    text-align: center;
}

.section-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent-dark);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(28px, 4vw, 44px);
    margin-bottom: 12px;
}

/* ═══ CONTACT BIG ═══ */
.contact-big {
    padding: 90px 0;
    background: var(--bg-alt);
}

.contact-big-inner {
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
}

.contact-big-title {
    font-size: clamp(28px, 4vw, 44px);
    margin-bottom: 16px;
}

.contact-big-desc {
    color: var(--gray);
    margin-bottom: 36px;
}

.contact-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    border-radius: 16px;
    color: white;
    text-align: left;
    box-shadow: 0 16px 40px rgba(0,0,0,0.12);
    transition: var(--transition);
}

.contact-btn:hover { transform: translateY(-4px); }

.contact-btn-phone { background: var(--green); }
.contact-btn-zalo { background: var(--zalo); }
.contact-btn-whatsapp { background: var(--whatsapp); }

.contact-btn-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
}

.contact-btn-info {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.contact-btn-label {
    font-size: 13px;
    opacity: 0.9;
}

.contact-btn-value {
    font-family: var(--font-display);
    font-size: 19px;
    font-weight: 700;
}

.contact-note {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 14px;
    font-size: 13px;
    color: var(--gray);
}

/* ═══ SERVICES / BẢNG GIÁ ═══ */
.services-section {
    padding: 100px 0;
    background: var(--bg);
}

.services-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.service-card-large {
    background: white;
    padding: 44px 36px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card-large::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
}

.service-card-large:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 80px rgba(0,0,0,0.1);
    border-color: transparent;
}

.service-card-large:hover::before { transform: scaleX(1); }

.service-icon-large {
    font-size: 56px;
    margin-bottom: 20px;
    line-height: 1;
}

.service-card-large h3 {
    font-size: 26px;
    margin-bottom: 10px;
}

.service-card-large > p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 24px;
    min-height: 44px;
}

.price-section {
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px dashed var(--border);
}

.price-row:last-child { border-bottom: none; }

.price-row.highlight {
    background: rgba(245, 166, 35, 0.08);
    padding: 14px 16px;
    border-radius: 8px;
    margin: 8px -16px 0;
    border-bottom: none;
}

.price-label {
    font-size: 14px;
    font-weight: 500;
}

.price-value {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-dark);
    white-space: nowrap;
}

.price-row.highlight .price-value { font-size: 22px; }

.price-value small {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 400;
    color: var(--gray);
    margin-left: 2px;
}

.service-cta {
    display: block;
    margin-top: 28px;
    padding: 14px;
    text-align: center;
    font-weight: 500;
    color: white;
    background: var(--dark);
    border-radius: 8px;
    transition: var(--transition);
}

.service-cta:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

/* ═══ BẢNG SO SÁNH ═══ */
.price-table-wrap {
    max-width: 800px;
    margin: 64px auto 0;
    background: white;
    border-radius: 16px;
    padding: 40px 32px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.06);
}

.price-table {
    width: 100%;
    border-collapse: collapse;
}

.price-table thead th {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    padding: 16px 12px;
    border-bottom: 2px solid var(--accent);
    background: rgba(245, 166, 35, 0.05);
}

.price-table thead th:first-child { border-top-left-radius: 8px; }
.price-table thead th:last-child { border-top-right-radius: 8px; }

.price-table tbody td {
    padding: 18px 12px;
    font-size: 15px;
    border-bottom: 1px solid var(--border);
}

.price-table tbody tr:last-child td { border-bottom: none; }
.price-table tbody tr:hover { background: rgba(245, 166, 35, 0.04); }

.price-table td strong {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
}

.price-table td small {
    font-size: 12px;
    color: var(--gray);
}

.price-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-dark);
}

.price-note {
    text-align: center;
    font-size: 13px;
    color: var(--gray);
    margin-top: 24px;
    font-style: italic;
}

.price-table-cta {
    text-align: center;
    margin-top: 28px;
}

/* ═══ WHY US ═══ */
.why-section {
    padding: 100px 0;
    background: var(--bg-alt);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
}

.why-item {
    text-align: center;
    padding: 24px;
}

.why-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.why-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.why-item p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.7;
}

/* ═══ FORM TƯ VẤN ═══ */
.consult-section {
    padding: 100px 0;
    background: var(--bg);
}

.consult-form {
    max-width: 560px;
    margin: 0 auto;
    padding: 40px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.08);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-group label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    font-family: inherit;
    font-size: 15px;
    color: var(--dark);
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    outline: none;
    transition: var(--transition);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.15);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(217, 48, 37, 0.12);
}

.form-submit {
    width: 100%;
    padding: 18px;
    font-size: 15px;
    margin-top: 4px;
}

.form-msg {
    margin-top: 16px;
    text-align: center;
    font-size: 14px;
    min-height: 22px;
    color: var(--gray);
}

.form-msg.ok { color: var(--success); }
.form-msg.err { color: var(--danger); }

/* ═══ CTA ═══ */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    text-align: center;
    color: white;
}

.cta-section h2 {
    font-size: clamp(28px, 4vw, 48px);
    color: white;
    margin-bottom: 16px;
}

.cta-section h2 em { color: var(--accent); }

.cta-section p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 32px;
    font-size: 16px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}

.hotline-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--accent);
    color: white;
    padding: 20px 40px;
    border-radius: 100px;
    font-size: 22px;
    font-weight: 600;
    font-family: var(--font-display);
    transition: var(--transition);
    box-shadow: 0 20px 50px rgba(245, 166, 35, 0.35);
}

.hotline-btn:hover {
    background: var(--accent-dark);
    transform: translateY(-4px);
    box-shadow: 0 30px 60px rgba(245, 166, 35, 0.5);
}

.hotline-btn-zalo {
    background: var(--zalo);
    box-shadow: 0 20px 50px rgba(0, 104, 255, 0.35);
}

.hotline-btn-zalo:hover {
    background: #0052cc;
    box-shadow: 0 30px 60px rgba(0, 104, 255, 0.5);
}

.hotline-btn-whatsapp {
    background: var(--whatsapp);
    box-shadow: 0 20px 50px rgba(37, 211, 102, 0.35);
}

.hotline-btn-whatsapp:hover {
    background: var(--whatsapp-dark);
    box-shadow: 0 30px 60px rgba(37, 211, 102, 0.5);
}

/* ═══ FOOTER ═══ */
.footer {
    background: #0f0f0f;
    color: rgba(255,255,255,0.7);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 30px;
}

.footer-brand .logo.light {
    color: white;
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    max-width: 320px;
}

.footer-col h4 {
    font-family: var(--font-body);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: white;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-col ul li {
    margin-bottom: 10px;
    font-size: 14px;
}

.footer-col ul li a:hover { color: var(--accent); }

.footer-bottom {
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

/* ═══ FLOATING ═══ */
.floating {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: var(--transition);
}

.float-btn:hover { transform: translateY(-4px); }

.float-phone { background: var(--green); }
.float-zalo { background: var(--zalo); }
.float-whatsapp { background: var(--whatsapp); }
.float-top { background: #2c2c2c; }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 900px) {
    .nav-list { display: none; }
    .header-cta { display: none; }
    .nav-toggle { display: block; }

    .nav.active .nav-list {
        display: flex;
        position: absolute;
        top: 100%; left: 0; right: 0;
        flex-direction: column;
        background: #1a1a1a;
        padding: 24px;
        gap: 20px;
    }

    .contact-buttons { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; margin-bottom: 28px; }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .services-grid-2 {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .service-card-large { padding: 36px 28px; }
    .service-icon-large { font-size: 48px; }
    .service-card-large h3 { font-size: 22px; }

    .price-table-wrap { padding: 32px 20px; }

    .price-table thead th {
        font-size: 13px;
        padding: 12px 8px;
    }

    .price-table tbody td {
        padding: 14px 8px;
        font-size: 13px;
    }

    .price-tag { font-size: 16px; }
}

@media (max-width: 640px) {
    .consult-form { padding: 28px 20px; }
    .hotline-btn { padding: 16px 32px; font-size: 18px; }

    .floating {
        bottom: 16px;
        right: 16px;
    }

    .float-btn {
        width: 48px;
        height: 48px;
        font-size: 18px;
    }
}