@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@400;500;700&display=swap');

:root {
    --primary-blue: #2a47c4;
    --secondary-blue: #303e7e;
    --accent-blue: #3b82f6;
    --bg-white: #ffffff;
    --bg-secondary: #f8fafc;
    --text-dark: #0f172a;
    --text-muted: #475569;
    --text-white: #ffffff;
    --header-height: 80px;
    --radius: 12px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-white);
    color: var(--text-dark);
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, .accent-font {
    font-family: 'Bebas Neue', cursive;
    letter-spacing: 1px;
}

/* Background & Overlays */
.page-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: url('assets/bg.png') no-repeat center center/cover;
    z-index: -1;
    filter: brightness(0.9) saturate(0.5) contrast(1.1) hue-rotate(180deg); /* Blue-ish tint */
}

.page-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    z-index: -1;
}

/* Header */
header {
    height: var(--header-height);
    padding: 0 4%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 40px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 2rem;
    color: var(--primary-blue);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary-blue);
    text-transform: uppercase;
}

.main-nav {
    display: flex;
    list-style: none;
    gap: 15px;
    flex-wrap: wrap;
}

.main-nav li a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s;
    padding: 8px 12px;
    border-radius: 6px;
    text-transform: uppercase;
}

.main-nav li a:hover {
    color: var(--primary-blue);
    background: rgba(42, 71, 196, 0.05);
}

.main-nav li a.active {
    color: var(--text-white);
    background: var(--primary-blue);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-right i {
    font-size: 1.2rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.3s;
}

.nav-right i:hover {
    color: var(--primary-blue);
}

.login-btn {
    background: var(--secondary-blue);
    color: #fff;
    padding: 8px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.3s;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(48, 62, 126, 0.2);
}

/* Hero Section */
.hero {
    margin-top: var(--header-height);
    padding: 80px 4% 40px;
    min-height: 80vh;
    display: flex;
    gap: 60px;
    align-items: center;
}

.hero-visual {
    flex: 1;
    position: relative;
    max-width: 550px;
}

.op-image-container {
    border: 12px solid #fff;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.15);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s;
    background: var(--bg-secondary);
}

.op-image-container:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.op-image-container img {
    width: 100%;
    display: block;
    filter: contrast(1.1) brightness(1.05);
}

.hero-text {
    flex: 1.2;
    max-width: 650px;
}

.history-label {
    color: var(--primary-blue);
    font-size: 2.2rem;
    margin-bottom: 5px;
}

.background-title {
    font-size: 4.5rem;
    color: var(--secondary-blue);
    margin-bottom: 30px;
    line-height: 1;
}

.description {
    font-size: 1.15rem;
    color: var(--text-dark);
}

.description p {
    margin-bottom: 25px;
    text-align: left;
    background: rgba(255,255,255,0.6);
    padding: 15px;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-blue);
}

/* Control Buttons */
.controls {
    display: flex;
    gap: 20px;
    padding: 0 4% 60px;
}

.btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 30px;
    border-radius: 10px;
    font-weight: 700;
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s;
}

.btn-play {
    background: var(--primary-blue);
    color: #fff;
    box-shadow: 0 8px 16px rgba(42, 71, 196, 0.2);
}

.btn-info {
    background: #fff;
    color: var(--secondary-blue);
    border: 2px solid var(--secondary-blue);
}

.btn-fave {
    background: var(--secondary-blue);
    color: #fff;
    border-radius: 30px;
}

.btn:hover {
    transform: scale(1.05);
}

/* Secondary Nav */
.secondary-nav-container {
    padding: 20px 4% 60px;
    display: flex;
    justify-content: flex-end;
}

.secondary-nav {
    display: flex;
    gap: 50px;
    list-style: none;
}

.secondary-nav li a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 10px;
    transition: color 0.3s;
}

.secondary-nav li a:hover {
    color: var(--primary-blue);
}

.secondary-nav li a.active {
    color: var(--secondary-blue);
}

.secondary-nav li a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-blue);
    border-radius: 2px;
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .header { height: auto; padding: 15px 4%; }
    .nav-left { flex-direction: column; align-items: flex-start; gap: 15px; }
    .main-nav { justify-content: flex-start; }
    
    .hero {
        flex-direction: column-reverse;
        padding-top: 120px;
    }
    
    .hero-text { text-align: center; }
    .description p { border-left: none; border-bottom: 4px solid var(--primary-blue); }
    
    .background-title { font-size: 3.5rem; }
}

/* Video Modal */
.video-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(15px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.4s;
}

.video-modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 1000px;
    background: #000;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
    transform: scale(0.9);
    transition: transform 0.4s;
}

.video-modal.active .modal-content {
    transform: scale(1);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    transition: all 0.3s;
}

.close-modal:hover {
    background: var(--primary-blue);
    transform: rotate(90deg);
}

.video-container {
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    position: relative;
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}