/* Nghệ thuật màu nước - Editorial / Magazine style - Distinct layout */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --cream: #F8F6F1;
    --paper: #EFEBE3;
    --terracotta: #C47B5B;
    --terracotta-dark: #A85D3A;
    --sage: #8B9A7D;
    --ink: #2C2A26;
    --ink-soft: #5C5852;
    --ink-light: #8A857D;
    --white: #FFFFFF;
    --border: #E2DDD4;
    --shadow: 0 4px 24px rgba(44, 42, 38, 0.08);
    --shadow-hover: 0 12px 40px rgba(44, 42, 38, 0.12);
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--ink);
    line-height: 1.75;
    background: var(--cream);
    font-size: 17px;
    overflow-x: hidden;
}

/* Editorial top bar - full width, minimal */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(248, 246, 241, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.25rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand a {
    text-decoration: none;
    color: var(--ink);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand span {
    color: var(--terracotta);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-list a {
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.25s var(--ease);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--terracotta);
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--ink);
    margin: 5px 0;
    transition: var(--ease);
}

/* Main content wrapper */
.wrap {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2.5rem;
}

/* Hero - large type, one image, editorial */
.hero {
    padding-top: 7rem;
    padding-bottom: 4rem;
    min-height: 85vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--ink);
    margin-bottom: 1.25rem;
}

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

.hero-text .lead {
    font-size: 1.25rem;
    color: var(--ink-soft);
    margin-bottom: 2rem;
    max-width: 28em;
}

.hero-btns {
    display: flex;
    gap: 1rem;
}

.hero-btns .btn {
    display: inline-block;
    padding: 0.9rem 1.75rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 4px;
    transition: all 0.3s var(--ease);
}

.btn-primary {
    background: var(--terracotta);
    color: var(--white);
    border: 2px solid var(--terracotta);
}

.btn-primary:hover {
    background: var(--terracotta-dark);
    border-color: var(--terracotta-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-outline {
    background: transparent;
    color: var(--ink);
    border: 2px solid var(--ink);
}

.btn-outline:hover {
    background: var(--ink);
    color: var(--cream);
}

.hero-media {
    position: relative;
    aspect-ratio: 4/5;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}

.hero-media:hover img {
    transform: scale(1.03);
}

/* Section block - alternating image/text */
.section {
    padding: 4rem 0;
    border-top: 1px solid var(--border);
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.section-desc {
    color: var(--ink-soft);
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
    max-width: 40em;
}

/* Bento / card grid - different from other sites */
.card-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.35s var(--ease);
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: transparent;
}

.card-img {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease);
}

.card:hover .card-img img {
    transform: scale(1.06);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 0.5rem;
}

.card-text {
    font-size: 0.95rem;
    color: var(--ink-soft);
    line-height: 1.6;
}

/* Alternate layout: image + text block */
.block-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    padding: 3rem 0;
}

.block-split.reverse {
    direction: rtl;
}

.block-split.reverse > * {
    direction: ltr;
}

.block-split .block-img {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    aspect-ratio: 3/4;
}

.block-split .block-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.block-split .block-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 1rem;
}

.block-split .block-content p {
    color: var(--ink-soft);
    margin-bottom: 1rem;
}

/* Page header (inner pages) */
.page-hero {
    padding-top: 6rem;
    padding-bottom: 3rem;
    background: var(--paper);
    border-bottom: 1px solid var(--border);
}

.page-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 0.75rem;
}

.page-hero .breadcrumb {
    font-size: 0.9rem;
    color: var(--ink-light);
}

.page-hero .breadcrumb a {
    color: var(--terracotta);
    text-decoration: none;
}

.page-hero .breadcrumb a:hover {
    text-decoration: underline;
}

/* Content area */
.content-area {
    padding: 3rem 0 4rem;
}

.content-area .wrap {
    max-width: 820px;
}

.content-area h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ink);
    margin: 2rem 0 1rem;
}

.content-area p {
    margin-bottom: 1.25rem;
    color: var(--ink-soft);
}

.content-area ul {
    margin: 1rem 0 1.5rem 1.5rem;
    color: var(--ink-soft);
}

.content-area li {
    margin-bottom: 0.5rem;
}

/* Gallery grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: all 0.35s var(--ease);
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-hover);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Contact */
.contact-box {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    max-width: 480px;
}

.contact-box p {
    margin-bottom: 0.75rem;
    color: var(--ink-soft);
}

.contact-email {
    font-weight: 600;
    color: var(--terracotta);
}

/* Footer */
.site-footer {
    background: var(--ink);
    color: var(--paper);
    padding: 2.5rem 0;
    margin-top: 4rem;
}

.site-footer .wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-footer a {
    color: var(--paper);
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--terracotta);
}

/* Utility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text .lead { margin-left: auto; margin-right: auto; }
    .hero-btns { justify-content: center; }
    .card-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .block-split,
    .block-split.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
}

@media (max-width: 768px) {
    .nav-list {
        display: none;
    }
    .nav-list.open {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--cream);
        flex-direction: column;
        padding: 1.5rem;
        border-bottom: 1px solid var(--border);
    }
    .menu-btn {
        display: block;
    }
    .card-row {
        grid-template-columns: 1fr;
    }
    .wrap {
        padding: 0 1.25rem;
    }
    .header-inner {
        padding: 1rem 1.25rem;
    }
}