/* Improved Silver Aesthetic */
:root {
    --color-bg: #050505;
    --color-text: #f5f5f5;

    --silver-100: #ffffff;
    --silver-200: #e0e0e0;
    --silver-300: #bcbcbc;
    --silver-400: #888888;
    --silver-500: #555555;
    --gold-accent: #d4af37;
    --cyan-accent: #00ffff;
    /* From the logo */

    --silver-gradient: linear-gradient(135deg, #e0e0e0 0%, #ffffff 50%, #c0c0c0 100%);
    --silver-text-gradient: linear-gradient(to bottom, #ffffff 10%, #c0c0c0 60%, #808080 100%);
    --gold-gradient: linear-gradient(45deg, #d4af37, #f7ef8a, #d4af37);

    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.05);

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;

    --spacing-container: 1200px;
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: default;
    /* Can replace with custom cursor later if requested */
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    /* Lighter weight for elegance */
    letter-spacing: -0.01em;
    color: var(--silver-100);
}

.silver-text {
    background: var(--silver-text-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

.container {
    max-width: var(--spacing-container);
    margin: 0 auto;
    padding: 0 40px;
}

.section-padding {
    padding: 120px 0;
}

/* Animations Helpers */
.reveal-text,
.reveal-up,
.reveal-left {
    opacity: 0;
    /* JS will handle visibility */
}

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: #000;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(30, 30, 30, 1) 0%, rgba(0, 0, 0, 1) 70%);
    z-index: 1;
}

/* Abstract faint logo in background */
.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80vw;
    height: 80vw;
    background: url('../assets/WTC- Logo Silver.png') no-repeat center center;
    background-size: contain;
    opacity: 0.03;
    filter: blur(5px);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.logo-container {
    width: 150px;
    margin-bottom: 30px;
    opacity: 0;
    /* Animate in */
    transform: scale(0.8);
}

.legacy-herologo {
    width: 300px;
    margin: 0 auto 30px auto;
}

.hero-logo {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.2));
}

.hero-title {
    font-size: clamp(3rem, 8vw, 7rem);
    line-height: 1.1;
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(30px);
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--silver-300);
    letter-spacing: 2px;
    text-transform: uppercase;
    max-width: 600px;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(20px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
}

.scroll-indicator span {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--silver-400);
}

.scroll-indicator .line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--silver-400), transparent);
}

/* History Section */
.section-header {
    text-align: center;
    justify-content: center;
    align-items: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 3.5rem;
}

.history-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.card-glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 50px 30px;
    position: relative;
    transition: var(--transition-smooth);
    overflow: hidden;
}

.card-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    pointer-events: none;
}

.card-glass:hover {
    border-color: var(--silver-300);
    transform: translateY(-10px);
    background: var(--glass-highlight);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.card-icon {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gold-accent);
    margin-bottom: 20px;
    letter-spacing: 1px;
    font-family: var(--font-body);
}

.card-glass h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.card-glass p {
    color: var(--silver-300);
    font-size: 1rem;
    line-height: 1.7;
}

/* Partners Section */
.section-desc {
    text-align: center;
    color: var(--silver-400);
    margin-bottom: 60px;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 30px;
}

.partner-logo-box {
    aspect-ratio: 3/2;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    /* Simulate logo placement */
    color: var(--silver-500);
    font-size: 0.8rem;
    text-transform: uppercase;
    padding: 20px;
}

.partner-logo-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: grayscale(100%) brightness(1.2);
    /* Silver/B&W effect */
    transition: var(--transition-smooth);
    opacity: 0.7;
}

.partner-logo-box:hover img {
    filter: grayscale(0%) brightness(1);
    /* Color on hover */
    opacity: 1;
    transform: scale(1.1);
}

.partner-logo-box:hover {
    background: var(--glass-highlight);
    border-color: var(--silver-300);
    transform: translateY(-5px);
    color: var(--silver-100);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.placeholder-text {
    display: none;
}

/* Gallery / Memories Section */
.gallery-masonry {
    column-count: 4;
    column-gap: 20px;
}

.gallery-item {
    break-inside: avoid;
    margin-bottom: 30px;
    background: #fff;
    padding: 10px 10px 40px 10px;
    /* Polaroid bottom spacing */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    color: #333;
    transform: rotate(0deg);
    transition: var(--transition-smooth);
    cursor: default;
    position: relative;
    z-index: 1;
}

/* Subtle random rotations for first few children to look natural */
.gallery-item:nth-child(odd) {
    transform: rotate(1deg);
}

.gallery-item:nth-child(even) {
    transform: rotate(-1deg);
}

.gallery-item:nth-child(3n) {
    transform: rotate(2deg);
}

.gallery-item:nth-child(4n) {
    transform: rotate(-2deg);
}

.gallery-item:hover {
    transform: scale(1.1) rotate(0deg) !important;
    z-index: 100;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.gallery-img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: auto;
    /* Let image decide */
    filter: sepia(20%);
    /* Slight vintage look */
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40px;
    /* Text area */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: none;
    opacity: 0.8;
}

.gallery-caption h4 {
    color: #333;
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    /* Clean font */
    margin: 0;
}

.gallery-caption p {
    display: none;
    /* Hide date for simplified look if captions are missing */
}

/* Responsive */
@media (max-width: 1024px) {
    .gallery-masonry {
        column-count: 3;
    }
}

@media (max-width: 768px) {
    .gallery-masonry {
        column-count: 2;
    }
}

@media (max-width: 480px) {
    .gallery-masonry {
        column-count: 1;
    }
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-caption {
    opacity: 1;
    transform: translateY(0);
}

.gallery-caption h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--silver-100);
}

.gallery-caption p {
    font-size: 0.8rem;
    color: var(--gold-accent);
}

/* Footer Section */
.footer-section {
    border-top: 1px solid var(--glass-border);
    padding: 80px 0 40px;
    background: #020202;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo {
    width: 100px;
    opacity: 0.8;
}

.footer-brand p {
    color: var(--silver-400);
    font-size: 0.9rem;
}

.footer-links h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--silver-200);
}

.footer-links p {
    color: var(--silver-500);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: var(--silver-500);
    font-size: 0.8rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .footer-brand {
        align-items: center;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .gallery-masonry {
        column-count: 1;
    }
}