/* Reset and Base Styles */
:root {
    --primary-blue: #0A2540;
    --accent-turquoise: #00E5FF;
    --accent-light: #00B4D8;
    --white: #FFFFFF;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --text-light: #F0F4F8;
    --text-dark: #1A1A1A;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--primary-blue);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 37, 64, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo img {
    height: 50px;
    border-radius: 8px;
}

nav a {
    color: var(--white);
    text-decoration: none;
    margin: 0 15px;
    font-weight: 400;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--accent-turquoise);
}

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--accent-light), var(--accent-turquoise));
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(0, 229, 255, 0.4);
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 229, 255, 0.6);
}

.btn-secondary {
    display: inline-block;
    padding: 12px 24px;
    background: transparent;
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    border-radius: 30px;
    border: 2px solid var(--accent-turquoise);
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(0, 229, 255, 0.1);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    filter: brightness(0.4) saturate(1.2);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.glass-panel {
    background: rgba(10, 37, 64, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--glass-shadow);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.highlight {
    color: var(--accent-turquoise);
}

.hero h2 {
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: 20px;
    color: #A0C4FF;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 50px;
    text-align: center;
    font-weight: 600;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-top: -30px;
    margin-bottom: 50px;
    color: var(--primary-blue);
    font-weight: 400;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* Glass Cards */
.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 30px;
    transition: transform 0.3s;
}

.glass-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.glass-card h3 {
    color: var(--accent-turquoise);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

/* Light Section */
.light-section {
    background: linear-gradient(180deg, #E0F7FA, #FFFFFF);
    color: var(--text-dark);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.glass-panel-dark {
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    transition: transform 0.3s;
}

.glass-panel-dark:hover {
    transform: translateY(-10px);
}

.tech-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.glass-panel-dark h3 {
    color: var(--accent-turquoise);
    margin-bottom: 15px;
}

.glass-panel-dark ul {
    list-style: none;
    margin-top: 20px;
    text-align: left;
}

.glass-panel-dark ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.glass-panel-dark ul li::before {
    content: '✓';
    color: var(--accent-turquoise);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Action Section */
.action-section {
    background: var(--primary-blue);
    position: relative;
    border-top: 1px solid rgba(0, 229, 255, 0.2);
}

.impact-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat h4 {
    font-size: 3.5rem;
    color: var(--accent-turquoise);
    font-weight: 800;
}

.stat p {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Footer */
.footer {
    background: #061524;
    padding: 50px 0 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.footer-logo img {
    height: 80px;
    border-radius: 10px;
}

.footer-info h3 {
    color: var(--accent-turquoise);
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
    color: #888;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 15px;
    }
    nav {
        display: none; /* Can be expanded with a hamburger menu in script.js */
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero h2 {
        font-size: 1.4rem;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .impact-stats {
        gap: 30px;
    }
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
}

/* Phases Grid */
.phases-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; margin-top: 40px; }
.phase-card { position: relative; padding-top: 50px; text-align: left; }
.phase-card h4 { color: #A0C4FF; margin-bottom: 10px; font-weight: 400; font-size: 1.1rem; }
.phase-number { position: absolute; top: -20px; left: 30px; background: linear-gradient(135deg, var(--accent-light), var(--accent-turquoise)); color: var(--primary-blue); font-size: 1.5rem; font-weight: 800; width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 15px rgba(0, 229, 255, 0.4); }