:root {
    --color-bg: #ffffff;
    --color-bg-soft: #f7f8fa;
    --color-bg-muted: #f0f2f5;
    --color-navy: #1a2340;
    --color-navy-mid: #2c3e6b;
    --color-navy-light: #4a5a8a;
    --color-accent: #c8a96e;
    --color-accent-dark: #a88a50;
    --color-accent-soft: rgba(200, 169, 110, 0.12);
    --color-text-main: #1a2340;
    --color-text-sub: #5a6480;
    --color-text-muted: #9aa0b4;
    --color-border: #e4e8f0;
    --color-border-soft: #f0f2f5;
    --color-white: #ffffff;
    --font-main: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
    --section-pad-y: 60px;
    --section-pad-x: clamp(20px, 5vw, 80px);
    --container-max: 1200px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 8px rgba(26, 35, 64, 0.06);
    --shadow-md: 0 4px 20px rgba(26, 35, 64, 0.10);
    --shadow-lg: 0 8px 40px rgba(26, 35, 64, 0.14);
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --duration: 0.4s;
}

/* ============================================
    Reset & Base
    ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-main);
    color: var(--color-text-main);
    background: var(--color-bg);
    line-height: 1.7;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button {
    font-family: var(--font-main);
    cursor: pointer;
}

/* ===== HERO ===== */
.page-hero {
    height: 55vh;
    min-height: 320px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-image: url('https://res.cloudinary.com/drjbzmxjo/image/upload/v1783411188/acch_bgresize_w7d1xx.png');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(215, 217, 224, 0.5) 0%, rgba(61, 61, 82, 0.7) 100%);
    z-index: 1;
}

/* Decorative diagonal line */
.page-hero::before {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 80px;
    background: var(--color-bg);
    clip-path: polygon(0 100%, 100% 0%, 100% 100%);
    z-index: 3;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
}

.page-hero-eyebrow {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 14px;
    display: block;
    opacity: 0;
    animation: fadeUp 0.7s var(--ease) forwards 0.2s;
}

.page-hero-title {
    font-size: clamp(32px, 5vw, 60px);
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: 4px;
    line-height: 1.1;
    opacity: 0;
    animation: fadeUp 0.7s var(--ease) forwards 0.4s;
}

.page-hero-sub {
    margin-top: 16px;
    font-size: clamp(13px, 1.5vw, 15px);
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 2px;
    opacity: 0;
    animation: fadeUp 0.7s var(--ease) forwards 0.6s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
    background: var(--color-bg);
    padding: 14px var(--section-pad-x);
    max-width: var(--container-max);
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-text-muted);
    transition: color 0.2s;
}

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

.breadcrumb-sep {
    color: var(--color-border);
}

.breadcrumb-current {
    color: var(--color-navy);
    font-weight: 600;
}

/* ============================================
    content
    ============================================ */

.content_div {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 326px));
    gap: 20px;
    justify-content: center;
}

.content_box {
    width: 100%;
    height: auto;
    overflow: hidden;
}

/* ============================================
    Branch selector (option box chọn chi nhánh)
    ============================================ */
.branch-selector {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    max-width: var(--container-max);
    margin: 0 auto 28px;
    padding: 0 var(--section-pad-x);
}

.branch-selector-btn {
    border: 1px solid var(--color-border);
    background: var(--color-white);
    color: var(--color-text-sub);
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 10px 22px;
    border-radius: 999px;
    transition: all 0.25s var(--ease);
}

.branch-selector-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-navy);
}

.branch-selector-btn.is-active {
    background: var(--color-navy);
    border-color: var(--color-navy);
    color: var(--color-white);
}

/* ============================================
    Branch info card (hiện khi chọn 1 chi nhánh cụ thể)
    ============================================ */
.branch-info {
    max-width: 560px;
    margin: 0 auto 40px;
    padding: 28px var(--section-pad-x);
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    position: relative;
    overflow: hidden;
    overflow: hidden;
    max-height: 480px;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s var(--ease),
        transform 0.35s var(--ease),
        max-height 0.4s var(--ease),
        margin 0.35s var(--ease),
        padding 0.35s var(--ease);
}

.branch-info.is-hidden {
    max-height: 0;
    opacity: 0;
    transform: translateY(-10px);
    margin-top: 0;
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
    pointer-events: none;
}


.branch-info-map-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.branch-info-map-bg img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.7) brightness(1.05);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.branch-info-map-bg img.is-loaded {
    opacity: 1;
}

.branch-info-map-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(142, 122, 90, 0.5);
}

.branch-info-content {
    position: relative;
    z-index: 1;
}


.branch-info-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-white);
    background: var(--color-accent-soft);
    padding: 4px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    z-index: 2;
}

.branch-info-name {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: 1px;
    margin-bottom: 8px;
    z-index: 2;
}

.branch-info-address {
    font-size: 14px;
    color: var(--color-white);
    line-height: 1.7;
    margin-bottom: 6px;
    z-index: 2;
}

.branch-info-phone {
    font-size: 14px;
    color: var(--color-white);
    margin-bottom: 14px;
    z-index: 2;
}

.branch-info-phone a {
    color: var(--color-white);
    font-weight: 600;
}

.branch-info-maplink {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-white);
    border-bottom: 1px solid var(--color-accent);
    padding-bottom: 2px;
    transition: color 0.2s;
    z-index: 2;
}

.branch-info-maplink:hover {
    color: var(--color-navy);
    border-color: var(--color-navy);
    z-index: 2;
}