/* =========================================
   VARIABLES & RESET
   ========================================= */
:root {
    --brand-gold: #C5A059;
    --brand-gold-light: #E5D1A5;
    --brand-dark: #0a1510;
    --brand-green: #132a22;
    --brand-cream: #fcfbf9;
    --brand-text: #1a202c;
    --white: #ffffff;
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Montserrat', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--brand-cream);
    color: var(--brand-text);
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.5;
    overflow-x: hidden;
}

::selection {
    background-color: var(--brand-gold);
    color: var(--white);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 5px;
}
::-webkit-scrollbar-track {
    background: var(--brand-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--brand-gold);
}

a {
    text-decoration: none;
    color: inherit;
}

/* =========================================
   UTILITIES
   ========================================= */
.container {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}
@media (min-width: 768px) { .container { max-width: 768px; } }
@media (min-width: 1024px) { .container { max-width: 1024px; } }
@media (min-width: 1280px) { .container { max-width: 1280px; } }

.narrow-container { max-width: 896px !important; }

.text-center { text-align: center; }
.text-gold { color: var(--brand-gold); }
.bg-cream { background-color: var(--brand-cream); }

.border-top {
    border-top: 1px solid rgba(255, 255, 255, 0.5);
}

/* =========================================
   NAVBAR
   ========================================= */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    transition: all 0.5s;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.main-nav.nav-glass {
    background: rgba(10, 21, 16, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(197, 160, 89, 0.3);
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    letter-spacing: 0.1em;
    font-weight: 700;
    color: var(--brand-gold);
    text-transform: uppercase;
    cursor: pointer;
    transition: color 0.3s;
}
.logo:hover { color: var(--white); }
@media (min-width: 768px) { .logo { font-size: 1.5rem; } }

.nav-links {
    display: none;
    gap: 1.5rem;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
}
@media (min-width: 768px) { .nav-links { display: flex; font-size: 11px; } }

.nav-links a:hover {
    color: var(--brand-gold);
    transition: color 0.3s;
}

.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    color: var(--brand-gold);
    font-size: 1.5rem;
    cursor: pointer;
}
@media (min-width: 768px) { .mobile-menu-btn { display: none; } }

/* =========================================
   HERO SECTION
   ========================================= */
.hero-section {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--brand-dark);
}

.video-container {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.video-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(1.1) contrast(1.1);
}

.video-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 10;
}

.hero-content {
    position: relative;
    z-index: 20;
    text-align: center;
    margin-top: 2rem;
    padding: 0 1.5rem;
}

.badge {
    display: inline-block;
    border: 1px solid rgba(197, 160, 89, 0.5);
    padding: 0.5rem 1.5rem;
    margin-bottom: 1rem;
    backdrop-filter: blur(4px);
}
.badge p {
    color: var(--brand-gold);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.4em;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 1.875rem;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--white);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    text-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}
@media (min-width: 768px) { .hero-title { font-size: 3rem; } }
@media (min-width: 1024px) { .hero-title { font-size: 4.5rem; } }

.highlight-text {
    background: linear-gradient(to right, var(--brand-gold), #ffffff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.line-decorator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1rem 0;
}
.line-decorator::before, .line-decorator::after {
    content: '';
    height: 1px;
    width: 50px;
    background-color: var(--brand-gold);
    margin: 0 15px;
}
.diamond {
    width: 8px;
    height: 8px;
    transform: rotate(45deg);
    background-color: var(--brand-gold);
    display: inline-block;
}

.hero-subtitle {
    font-size: 1rem;
    color: rgba(252, 251, 249, 0.9);
    max-width: 48rem;
    margin: 1rem auto 0;
    font-weight: 500;
}
@media (min-width: 768px) { .hero-subtitle { font-size: 1.125rem; } }

.scroll-down-icon {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 1s infinite;
    z-index: 20;
    color: var(--brand-gold);
    font-size: 1.25rem;
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* =========================================
   INTRO SECTION
   ========================================= */
.intro-section {
    padding: 2.5rem 0;
    background-color: var(--brand-cream);
    position: relative;
    border-bottom: 1px solid rgba(197, 160, 89, 0.1);
    scroll-margin-top: 5rem;
}
.intro-quote {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--brand-dark);
    margin-bottom: 1rem;
    line-height: 1.6;
    font-style: italic;
    font-weight: 500;
}
@media (min-width: 768px) { .intro-quote { font-size: 1.875rem; } }

.divider-gold {
    width: 4rem;
    height: 1px;
    background-color: var(--brand-gold);
    margin: 0 auto;
}

/* =========================================
   SECTIONS GENERAL
   ========================================= */
.section {
    position: relative;
    scroll-margin-top: 5rem;
    color: var(--brand-text);
}

.section-content-container {
    max-width: 72rem; /* approx max-w-6xl */
    position: relative;
    z-index: 10;
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.section-header {
    text-center: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 900;
    line-height: 1.2;
    color: var(--brand-dark);
    text-transform: uppercase;
}
@media (min-width: 768px) { .section-header h2 { font-size: 3rem; } }
@media (min-width: 1024px) { .section-header h2 { font-size: 3.75rem; } }

.sub-header {
    color: var(--brand-gold);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 0.5rem;
    display: block;
    font-weight: 700;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 900;
    line-height: 1.2;
    color: var(--brand-dark);
    text-transform: uppercase;
    margin-bottom: 1rem;
}
@media (min-width: 768px) { .section-title { font-size: 3rem; } }
@media (min-width: 1024px) { .section-title { font-size: 3.75rem; } }


/* =========================================
   SECTION 1: Kịch bản
   ========================================= */
.full-width-gallery {
    width: 100%;
    margin-bottom: 2rem;
}
.main-image-wrapper {
    position: relative;
    width: 100%;
    margin-bottom: 0.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.main-image-wrapper img, .grid-item img {
    width: 100%;
    height: auto;
    display: block;
}

.img-blend-bottom {
    -webkit-mask-image: linear-gradient(to bottom, black 85%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 85%, transparent 100%);
}

.grid-images {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    width: 100%;
    padding: 0 0.5rem;
}
@media (min-width: 768px) { .grid-images { grid-template-columns: 1fr 1fr; } }

.grid-item {
    position: relative;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border-radius: 0.125rem;
}
.grid-item img {
    object-fit: cover;
    height: 100%;
    transition: transform 0.7s;
    opacity: 0.9;
}
.grid-item:hover img {
    transform: scale(1.05);
    opacity: 1;
}

.two-col-layout {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2rem;
}
@media (min-width: 768px) { .two-col-layout { flex-direction: row; } }
.two-col-layout.items-start { align-items: flex-start; }

.col { width: 100%; }
@media (min-width: 768px) { .col { width: 50%; } }
@media (min-width: 1024px) {
    /* Special sizing for section 2 & 5 */
    #section2 .col:first-child { width: 41.66%; }
    #section2 .col:last-child { width: 58.33%; }
    #section5 .col:first-child { width: 41.66%; }
    #section5 .col:last-child { width: 58.33%; }
}

.text-content {
    color: #1f2937;
    text-align: justify;
    line-height: 1.625;
    font-size: 1.125rem;
    font-weight: 400;
    margin-bottom: 1rem;
}

.drop-cap:first-letter {
    float: left;
    font-size: 4.5rem;
    line-height: 4rem;
    padding-right: 1rem;
    padding-top: 0.25rem;
    font-family: var(--font-serif);
    color: var(--brand-gold);
    font-weight: 700;
}

.quote-box {
    padding: 1.5rem;
    border-left: 4px solid var(--brand-gold);
}
.quote-box p {
    color: #374151;
    font-weight: 500;
    font-style: italic;
    font-size: 1.125rem;
}

.narrow-content {
    max-width: 56rem;
    margin: 0 auto;
    text-align: justify;
}

.quote-block {
    margin-bottom: 1.5rem;
}
.quote-text {
    border-left: 4px solid var(--brand-gold);
    padding-left: 1.5rem;
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--brand-text);
    font-style: italic;
    line-height: 1.6;
}
@media (min-width: 768px) { .quote-text { font-size: 1.5rem; } }

.quote-author {
    text-align: right;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--brand-gold);
    margin-top: 1rem;
}

.highlight-bold {
    font-weight: 700;
    color: var(--brand-dark);
    margin-top: 1rem;
    text-align: center;
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.full-width-video {
    width: 100%;
    background-color: white;
    padding-bottom: 2rem;
    border-top: 1px solid rgba(197, 160, 89, 0.1);
}
.full-width-video video {
    width: 100%;
    max-height: 85vh;
    object-fit: cover;
}

/* =========================================
   SECTION 2: TOD Images
   ========================================= */
.graphic-container {
    max-width: 980px;
    margin: 2rem auto;
    padding: 0 1rem;
}
.graphic-frame {
    position: relative;
    width: 100%;
    border-radius: 1.5rem;
    overflow: hidden;
    border: 4px solid rgba(197, 160, 89, 0.3);
    box-shadow: 0 4px 20px -2px rgba(197, 160, 89, 0.25);
}
.graphic-frame img {
    width: 100%;
    height: auto;
    display: block;
}
.caption {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--brand-gold);
}

/* =========================================
   SECTION 3: Finance
   ========================================= */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}
@media (min-width: 768px) { .stats-grid { grid-template-columns: 1fr 1fr 1fr; } }

.stat-card {
    background-color: white;
    padding: 1.5rem;
    text-align: center;
    border-top: 4px solid var(--brand-gold);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    border-radius: 0.125rem;
}

.stat-number {
    color: var(--brand-gold);
    font-family: var(--font-serif);
    font-size: 1.875rem;
    font-weight: 700;
}
.stat-number span {
    font-size: 0.875rem;
    font-family: var(--font-sans);
    font-weight: 300;
}
.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #6b7280;
    margin-top: 0.5rem;
}

.custom-list {
    list-style-type: disc;
    padding-left: 1.25rem;
    margin-bottom: 1rem;
}
.custom-list li {
    margin-bottom: 0.5rem;
}

.full-width-image {
    width: 100%;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}
.full-width-image img {
    width: 100%;
    height: auto;
    display: block;
}
.img-blend-all {
    -webkit-mask-image: radial-gradient(circle at center, black 80%, transparent 100%);
    mask-image: radial-gradient(circle at center, black 80%, transparent 100%);
}

/* =========================================
   SECTION 5: International
   ========================================= */
.space-y-4 > * + * {
    margin-top: 1rem;
}

.info-card {
    background-color: white;
    padding: 1.5rem;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    border-left: 4px solid var(--brand-gold);
    position: relative;
    overflow: hidden;
    border-radius: 0.125rem;
    transition: box-shadow 0.3s;
}
.info-card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.card-content {
    position: relative;
    z-index: 10;
}

.card-content h4 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-dark);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}
.card-content p {
    font-size: 0.875rem;
    color: #1f2937;
    text-align: justify;
    margin-bottom: 0.5rem;
}
.small-list {
    font-size: 0.875rem;
    color: #1f2937;
    list-style-type: disc;
    margin-left: 1.25rem;
}
.small-list li { margin-bottom: 0.25rem; }

.sub-section-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--brand-dark);
    margin-bottom: 1rem;
    text-align: center;
    text-transform: uppercase;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
@media (min-width: 768px) { .features-grid { grid-template-columns: 1fr 1fr 1fr; } }

.feature-card {
    background-color: white;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    border-radius: 0.125rem;
    transition: transform 0.3s;
}
.feature-card:hover { transform: translateY(-4px); }

.icon-gold {
    color: var(--brand-gold);
    font-size: 1.875rem;
    margin-bottom: 1rem;
}
.feature-card h5 {
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}
.feature-card p {
    font-size: 0.75rem;
    color: #4b5563;
    text-align: justify;
}

/* =========================================
   FOOTER & CONCLUSION
   ========================================= */
.footer-hero {
    position: relative;
    height: 100vh;
    width: 100%;
    background-color: var(--brand-dark);
    color: white;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.bg-image-container {
    position: absolute;
    inset: 0;
}
.bg-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
}
.overlay-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--brand-dark), transparent, transparent);
}

.footer-hero-content {
    position: relative;
    z-index: 10;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.conclusion-quote {
    margin-bottom: 1.5rem;
    max-width: 56rem;
    margin-left: auto;
    margin-right: auto;
}
.conclusion-quote p {
    border-left: 4px solid var(--brand-gold);
    padding-left: 1.5rem;
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: white;
    font-style: italic;
    line-height: 1.6;
    text-align: left;
}
@media (min-width: 768px) { .conclusion-quote p { font-size: 1.875rem; } }

.share-btn {
    display: inline-block;
    padding: 1rem 3rem;
    background-color: var(--brand-gold);
    color: var(--brand-dark);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    margin-top: 1.5rem;
    transition: all 0.3s;
}
.share-btn:hover {
    background-color: white;
    box-shadow: 0 10px 15px -3px rgba(197, 160, 89, 0.5);
}

.main-footer {
    background-color: black;
    color: rgba(255, 255, 255, 0.6);
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-family: var(--font-sans);
    font-weight: 300;
    position: relative;
    z-index: 20;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}
@media (min-width: 768px) { .footer-container { flex-direction: row; } }

.footer-brand {
    text-align: center;
    margin-bottom: 1rem;
}
@media (min-width: 768px) { .footer-brand { text-align: left; margin-bottom: 0; } }

.brand-name {
    color: var(--brand-gold);
    font-family: var(--font-serif);
    font-size: 1.125rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}
.brand-edition {
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.footer-meta {
    display: flex;
    flex-direction: column;
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
}
@media (min-width: 768px) {
    .footer-meta { flex-direction: row; gap: 2rem; text-align: left; }
}
.footer-meta a:hover { color: var(--brand-gold); transition: color 0.3s; }
.footer-meta p { margin-bottom: 0.5rem; }
@media (min-width: 768px) { .footer-meta p { margin-bottom: 0; } }


/* =========================================
   ANIMATIONS (Reveal)
   ========================================= */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s ease-out;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}