/* ============================================
   LỄ ANH TRAVEL — Xe Dịch Vụ Du Lịch
   Optimized for PageSpeed & Mobile
   ============================================ */

:root {
    --brown: #6B4226;
    --brown-dark: #3D2518;
    --brown-deep: #2A1810;
    --brown-light: #8B5E3C;
    --brown-pale: #A67B5B;
    --brown-glow: rgba(107, 66, 38, 0.15);
    --brown-accent: rgba(107, 66, 38, 0.08);
    --cream: #FAF3E8;
    --cream-dark: #F0E4D0;
    --warm-white: #FDFAF5;
    --ivory: #FFF8EE;
    --sand: #E8D5BC;
    --rust: #B8543A;
    --olive: #6B7B52;
    --text-dark: #1E1108;
    --text-body: #4A3728;
    --text-muted: #8B7B6B;
    --ff-display: 'Montserrat', sans-serif;
    --ff-body: 'Be Vietnam Pro', sans-serif;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Reset ─────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: var(--ff-body);
    line-height: 1.7;
    color: var(--text-body);
    background: var(--warm-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
    text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button { border: none; background: none; cursor: pointer; font: inherit; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 4vw, 3rem);
}

/* ── Animations (respect reduced-motion) ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .anim-fade-up { opacity: 1; transform: none; }
}
.anim-fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}
.anim-fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}
.anim-delay-1 { transition-delay: 0.12s; }
.anim-delay-2 { transition-delay: 0.24s; }
.anim-delay-3 { transition-delay: 0.36s; }

/* ── Floating CTA ──────────────────── */
.floating-cta {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--brown);
    color: #fff;
    padding: 0.875rem 1.25rem;
    border-radius: 60px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 8px 30px rgba(107, 66, 38, 0.45);
    transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s ease;
    min-height: 48px;
    min-width: 48px;
    justify-content: center;
}
.floating-cta:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 12px 40px rgba(107, 66, 38, 0.55);
}
.floating-cta__icon { display: flex; }
.floating-cta__pulse {
    position: absolute;
    inset: 0;
    border-radius: 60px;
    border: 2px solid var(--brown);
    animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.4); opacity: 0; }
}

/* Floating Zalo */
.floating-zalo {
    position: fixed;
    bottom: 5.5rem;
    right: 1.5rem;
    z-index: 999;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #0068FF;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(0, 104, 255, 0.4);
    transition: transform 0.3s var(--ease-out-expo);
    min-height: 48px;
    min-width: 48px;
}
.floating-zalo:hover { transform: translateY(-2px) scale(1.08); }
.floating-zalo__letter {
    color: #fff;
    font-weight: 800;
    font-size: 1.2rem;
}

/* ── Header ────────────────────────── */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 900;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}
.header.scrolled {
    background: rgba(42, 24, 16, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
}
.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.75rem clamp(1.25rem, 4vw, 3rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.nav__logo-img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.2);
}
.header.scrolled .nav__logo-img {
    border-color: rgba(255, 255, 255, 0.3);
}
.nav__logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.nav__logo-name {
    font-family: var(--ff-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.02em;
}
.nav__logo-tag {
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--sand);
    text-transform: uppercase;
}

/* Nav Toggle — 48px touch target */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 12px;
    z-index: 1000;
    min-height: 48px;
    min-width: 48px;
    align-items: center;
    justify-content: center;
}
.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Nav Menu */
.nav__menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.nav__link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: color 0.3s ease, background 0.3s ease;
    position: relative;
    min-height: 44px;
    display: flex;
    align-items: center;
}
.nav__link:hover,
.nav__link.active { color: #fff; }
.nav__link.active::after {
    content: '';
    position: absolute;
    bottom: 0.2rem;
    left: 1rem; right: 1rem;
    height: 2px;
    background: var(--sand);
    border-radius: 2px;
}
.nav__link--cta {
    background: var(--brown);
    color: #fff !important;
    font-weight: 700;
    border-radius: 8px;
    margin-left: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.nav__link--cta:hover { background: var(--brown-light); }
.nav__link--fb {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s ease;
    min-width: 44px;
    min-height: 44px;
}
.nav__link--fb:hover { color: #1877F2; }

/* ── Hero ──────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.hero__bg {
    position: absolute;
    inset: 0;
}
.hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
}
.hero__overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg,
            rgba(42, 24, 16, 0.7) 0%,
            rgba(42, 24, 16, 0.4) 40%,
            rgba(42, 24, 16, 0.6) 70%,
            rgba(42, 24, 16, 0.92) 100%
        ),
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(107, 66, 38, 0.2) 0%, transparent 70%);
}
.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 7rem 2rem 4rem;
    max-width: 820px;
}
.hero__logo-badge { margin-bottom: 2rem; }
.hero__logo-img {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto;
    border: 3px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}
.hero__title {
    font-family: var(--ff-display);
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    color: #fff;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}
.hero__title em {
    font-style: normal;
    font-weight: 800;
    color: var(--sand);
}
.hero__subtitle {
    font-size: clamp(0.95rem, 2vw, 1.15rem);
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.hero__subtitle strong {
    color: var(--sand);
    font-weight: 700;
}

/* Buttons */
.hero__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--ff-body);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 0.9rem 2rem;
    border-radius: 10px;
    transition: all 0.3s var(--ease-out-expo);
    cursor: pointer;
    border: none;
    min-height: 48px;
}
.btn--primary {
    background: var(--brown);
    color: #fff;
    box-shadow: 0 4px 20px rgba(107, 66, 38, 0.4);
}
.btn--primary:hover {
    background: var(--brown-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(107, 66, 38, 0.5);
}
.btn--outline {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}
.btn--outline:hover {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

/* Scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}
.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--sand), transparent);
    animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ── Stats ─────────────────────────── */
.stats {
    background: var(--brown-deep);
    border-top: 1px solid rgba(232, 213, 188, 0.1);
    border-bottom: 1px solid rgba(232, 213, 188, 0.1);
}
.stats__grid {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 0;
}
.stats__item {
    flex: 1;
    text-align: center;
    padding: 0.5rem 1rem;
}
.stats__number {
    font-family: var(--ff-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--sand);
    line-height: 1;
}
.stats__plus {
    font-family: var(--ff-display);
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--sand);
    font-weight: 600;
}
.stats__label {
    display: block;
    margin-top: 0.4rem;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.45);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 600;
}
.stats__divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.08);
}

/* ── Section Headers ───────────────── */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}
.section-header__tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--brown);
    margin-bottom: 1rem;
    position: relative;
}
.section-header__tag::before,
.section-header__tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background: var(--brown);
    opacity: 0.35;
}
.section-header__tag::before { right: calc(100% + 12px); }
.section-header__tag::after { left: calc(100% + 12px); }
.section-header__title {
    font-family: var(--ff-display);
    font-size: clamp(1.75rem, 4.5vw, 3.2rem);
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.15;
}
.section-header__title em {
    font-style: normal;
    font-weight: 800;
    color: var(--brown);
}
.section-header--light .section-header__tag { color: var(--sand); }
.section-header--light .section-header__tag::before,
.section-header--light .section-header__tag::after { background: var(--sand); }
.section-header--light .section-header__title { color: #fff; }
.section-header--light .section-header__title em { color: var(--sand); }

/* ── Services ──────────────────────── */
.services {
    padding: 5rem 0;
    background: var(--warm-white);
    position: relative;
}
.services::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 200px;
    background: linear-gradient(to bottom, var(--cream), transparent);
    pointer-events: none;
}
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
}
.service-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(107, 66, 38, 0.08);
    transition: transform 0.5s var(--ease-out-expo), box-shadow 0.5s var(--ease-out-expo);
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(107, 66, 38, 0.12), 0 0 0 1px rgba(107, 66, 38, 0.1);
}
.service-card__img-wrap {
    height: 200px;
    overflow: hidden;
}
.service-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out-expo);
}
.service-card:hover .service-card__img {
    transform: scale(1.06);
}
.service-card__body {
    padding: 1.75rem 1.5rem 2rem;
}
.service-card__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--brown-glow);
    border-radius: 14px;
    color: var(--brown);
    margin-bottom: 1.25rem;
}
.service-card__title {
    font-family: var(--ff-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.6rem;
}
.service-card__desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}
.service-card__tags {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}
.service-card__tags span {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--brown);
    background: var(--brown-glow);
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
}

/* ── Fleet Gallery ─────────────────── */
.fleet {
    padding: 5rem 0;
    background: var(--brown-deep);
    position: relative;
}
.fleet::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(107, 66, 38, 0.2) 0%, transparent 70%),
        radial-gradient(ellipse 40% 50% at 80% 20%, rgba(139, 94, 60, 0.15) 0%, transparent 70%);
    pointer-events: none;
}
.fleet__gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: auto;
    gap: 1rem;
    position: relative;
}
.fleet__item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    background: var(--brown-deep);
}
.fleet__item--large {
    grid-column: span 2;
}
.fleet__img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--brown-deep);
    transition: transform 0.6s var(--ease-out-expo);
}
.fleet__item:hover .fleet__img {
    transform: scale(1.05);
}
.fleet__label {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 2rem 1.25rem 1rem;
    background: linear-gradient(to top, rgba(42, 24, 16, 0.85) 0%, transparent 100%);
    color: #fff;
    font-family: var(--ff-display);
    font-size: 1rem;
    font-weight: 700;
    transform: translateY(10px);
    opacity: 0;
    transition: transform 0.4s var(--ease-out-expo), opacity 0.4s ease;
}
.fleet__item:hover .fleet__label {
    transform: translateY(0);
    opacity: 1;
}

/* ── Routes ────────────────────────── */
.routes {
    padding: 5rem 0;
    background: var(--warm-white);
}
.routes__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}
.route-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    border: 1px solid rgba(107, 66, 38, 0.08);
    border-radius: 16px;
    padding: 1.5rem 1.75rem;
    transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s var(--ease-out-expo);
}
.route-card:hover {
    border-color: rgba(107, 66, 38, 0.2);
    box-shadow: 0 8px 30px rgba(107, 66, 38, 0.08);
    transform: translateY(-3px);
}
.route-card__from,
.route-card__to {
    font-family: var(--ff-display);
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    font-weight: 700;
    color: var(--text-dark);
    min-width: 80px;
}
.route-card__from { text-align: right; }
.route-card__to { text-align: left; }
.route-card__arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    color: var(--brown);
    flex-shrink: 0;
    padding: 0 0.75rem;
}
.routes__note {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-style: italic;
}

/* ── Why Choose Us ─────────────────── */
.why {
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}
.why__bg {
    position: absolute;
    inset: 0;
}
.why__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.why__bg-overlay {
    position: absolute;
    inset: 0;
    background: rgba(42, 24, 16, 0.88);
}
.why__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    position: relative;
}
.why-card {
    padding: 2rem 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: transform 0.4s var(--ease-out-expo), background 0.4s ease, border-color 0.4s ease;
    position: relative;
    overflow: hidden;
}
.why-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--sand), var(--brown-pale));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out-expo);
}
.why-card:hover::before { transform: scaleX(1); }
.why-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(232, 213, 188, 0.15);
}
.why-card__number {
    font-family: var(--ff-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(232, 213, 188, 0.15);
    line-height: 1;
    margin-bottom: 1rem;
}
.why-card__title {
    font-family: var(--ff-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}
.why-card__desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
}

/* ── Contact ───────────────────────── */
.contact {
    padding: 5rem 0;
    background: var(--cream);
    position: relative;
}
.contact::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(107, 66, 38, 0.05) 0%, transparent 70%);
    pointer-events: none;
}
.contact__content {
    position: relative;
    text-align: center;
    max-width: 650px;
    margin: 0 auto;
}
.contact__logo {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 2rem;
    border: 3px solid var(--brown-glow);
    box-shadow: 0 8px 30px rgba(107, 66, 38, 0.15);
}
.contact__title {
    font-family: var(--ff-display);
    font-size: clamp(1.8rem, 5vw, 3.2rem);
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.15;
    margin-bottom: 1rem;
}
.contact__desc {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 2.5rem;
}
.contact__methods {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}
.contact-method {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: #fff;
    border: 1px solid rgba(107, 66, 38, 0.1);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    transition: all 0.4s var(--ease-out-expo);
    min-height: 48px;
    box-shadow: 0 2px 12px rgba(107, 66, 38, 0.04);
}
.contact-method:hover {
    border-color: rgba(107, 66, 38, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(107, 66, 38, 0.1);
}
.contact-method__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--brown-glow);
    border-radius: 12px;
    color: var(--brown);
    flex-shrink: 0;
}
.contact-method__icon--zalo {
    background: rgba(0, 104, 255, 0.1);
    color: #0068FF;
    font-weight: 800;
    font-size: 1.2rem;
}
.contact-method__icon--fb {
    background: rgba(24, 119, 242, 0.1);
    color: #1877F2;
}
.contact-method__info {
    display: flex;
    flex-direction: column;
    text-align: left;
}
.contact-method__label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.1rem;
}
.contact-method__value {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: 0.02em;
}

/* ── Footer ────────────────────────── */
.footer {
    background: var(--brown-deep);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 3rem 0 0;
}
.footer__top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.footer__brand .nav__logo-img {
    border-color: rgba(255, 255, 255, 0.15);
}
.footer__tagline {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.9rem;
    margin-top: 1rem;
    font-style: italic;
    font-family: var(--ff-display);
}
.footer__links h4 {
    font-family: var(--ff-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.75rem;
}
.footer__links ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__links a {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
    transition: color 0.3s ease;
    min-height: 32px;
    display: flex;
    align-items: center;
}
.footer__links a:hover { color: var(--sand); }
.footer__bottom {
    padding: 1.5rem 0;
    text-align: center;
}
.footer__bottom p {
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.78rem;
}

/* ============================================
   RESPONSIVE — Tablet
   ============================================ */
@media (max-width: 1024px) {
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .services__grid .service-card:last-child { grid-column: span 2; }
    .why__grid { grid-template-columns: repeat(2, 1fr); }
    .fleet__gallery { grid-template-columns: repeat(2, 1fr); }
    .fleet__item--large { grid-column: span 2; }
    .footer__top { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

/* ============================================
   RESPONSIVE — Mobile
   ============================================ */
@media (max-width: 768px) {
    /* Nav */
    .nav__toggle { display: flex; }
    .nav__menu {
        position: fixed;
        top: 0; right: 0;
        width: min(300px, 80vw);
        height: 100vh;
        height: 100dvh;
        background: var(--brown-deep);
        flex-direction: column;
        align-items: stretch;
        padding: 5rem 1.5rem 2rem;
        gap: 0.25rem;
        transform: translateX(100%);
        transition: transform 0.5s var(--ease-out-expo);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.4);
        overflow-y: auto;
    }
    .nav__menu.open { transform: translateX(0); }
    .nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav__toggle.open span:nth-child(2) { opacity: 0; }
    .nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .nav__link {
        font-size: 1rem;
        padding: 0.85rem 1rem;
        width: 100%;
        min-height: 48px;
        border-radius: 10px;
    }
    .nav__link:hover,
    .nav__link.active { background: rgba(255, 255, 255, 0.06); }
    .nav__link--cta { margin-left: 0; margin-top: 0.5rem; text-align: center; justify-content: center; }
    .nav__link--fb { width: 48px; margin-top: 0.5rem; }
    .nav__link.active::after { display: none; }

    /* Sections */
    .services { padding: 4rem 0; }
    .fleet { padding: 4rem 0; }
    .routes { padding: 4rem 0; }
    .why { padding: 4rem 0; }
    .contact { padding: 4rem 0; }
    .section-header { margin-bottom: 2.5rem; }

    /* Services */
    .services__grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .services__grid .service-card:last-child { grid-column: span 1; }
    .service-card__img-wrap { height: 180px; }

    /* Routes */
    .routes__grid { grid-template-columns: 1fr; gap: 1rem; }
    .route-card { padding: 1.25rem 1.5rem; }

    /* Why */
    .why__grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
    .why-card { padding: 1.5rem 1.25rem; }
    .why-card__number { font-size: 2rem; }
    .why-card__title { font-size: 1.05rem; }

    /* Fleet */
    .fleet__gallery { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
    .fleet__item--large { grid-column: span 2; }
    .fleet__label { opacity: 1; transform: none; font-size: 0.85rem; padding: 1.5rem 1rem 0.75rem; }

    /* Stats */
    .stats__grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
    .stats__divider { display: none; }
    .stats__item { padding: 0.5rem; }

    /* Contact */
    .contact__methods { flex-direction: column; align-items: stretch; }
    .contact-method { justify-content: flex-start; }

    /* Footer */
    .footer__top { grid-template-columns: 1fr; gap: 1.5rem; }

    /* Floating */
    .floating-cta__text { display: none; }
    .floating-cta { padding: 0.875rem; bottom: 1.25rem; right: 1.25rem; }
    .floating-zalo { bottom: 5rem; right: 1.25rem; }

    /* Hero */
    .hero__scroll { display: none; }
}

/* ============================================
   RESPONSIVE — Small phone
   ============================================ */
@media (max-width: 480px) {
    .hero__content { padding: 5rem 1rem 3rem; }
    .hero__title { font-size: 2rem; }
    .hero__subtitle { font-size: 0.9rem; }
    .hero__logo-img { width: 80px; height: 80px; }
    .hero__actions { flex-direction: column; align-items: stretch; }
    .btn { width: 100%; justify-content: center; }
    .nav__logo-tag { display: none; }
    .nav__logo-img { width: 40px; height: 40px; }
    .nav__logo-name { font-size: 1.2rem; }

    .why__grid { grid-template-columns: 1fr; }
    .fleet__gallery { grid-template-columns: 1fr; }
    .fleet__item--large { grid-column: span 1; }

    .service-card__title { font-size: 1.2rem; }
    .service-card__body { padding: 1.25rem 1.25rem 1.5rem; }

    .contact__logo { width: 70px; height: 70px; }
    .contact-method { padding: 0.875rem 1.25rem; }
    .contact-method__value { font-size: 0.95rem; }
}

/* ============================================
   RESPONSIVE — Very small phone (320px)
   ============================================ */
@media (max-width: 360px) {
    .hero__title { font-size: 1.75rem; }
    .stats__number { font-size: 1.75rem; }
    .stats__label { font-size: 0.65rem; }
    .route-card__from,
    .route-card__to { font-size: 0.95rem; min-width: auto; }
    .route-card__arrow { padding: 0 0.5rem; }
    .route-card__arrow svg { width: 30px; }
}