@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --accent-blue: #00C7FD;
    /* Intel-like cyan */
    --accent-deep: #005A9C;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
}

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

.logo-img {
    height: 72px;
    /* Increased by 50% from 48px */
    width: auto;
    filter: drop-shadow(0 0 10px var(--accent-blue));
}

.logo-text {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.5px;
}

nav a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-left: 24px;
    transition: color 0.3s ease;
    display: none;
    /* Hidden on small mobile for simplicity, or show if space permits */
}

@media (min-width: 600px) {
    nav a {
        display: inline-block;
    }
}

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

.hero {
    height: 100vh;
    min-height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    text-align: center;
    padding: 20px;
}

/* The Central Light Effect */
.light-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 60vw;
    max-width: 800px;
    max-height: 800px;
    background: radial-gradient(circle, rgba(0, 199, 253, 0.25) 0%, rgba(0, 71, 187, 0.1) 40%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
    animation: pulse 8s infinite ease-in-out;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* Hero Carousel */
.hero-carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    animation: fadeLoop 24s infinite;
    /* 24s total for 3 images (8s each) */
}

/* Stagger animations for 3 images loop (8s each) */
.carousel-slide:nth-child(1) {
    animation-delay: 0s;
}

.carousel-slide:nth-child(2) {
    animation-delay: 8s;
}

.carousel-slide:nth-child(3) {
    animation-delay: 16s;
}

@keyframes fadeLoop {
    0% {
        opacity: 0;
        transform: scale(1);
    }

    5% {
        opacity: 0.4;
        transform: scale(1.02);
    }

    /* Stay visible */
    28% {
        opacity: 0.4;
        transform: scale(1.08);
    }

    /* Fade out */
    33% {
        opacity: 0;
        transform: scale(1.1);
    }

    100% {
        opacity: 0;
        transform: scale(1);
    }
}

/* Adjust light effect z-index to sit on top of images but below text */
.light-effect {
    z-index: 2;
    /* Increase visibility of light effect against images */
    background: radial-gradient(circle, rgba(0, 199, 253, 0.4) 0%, rgba(0, 71, 187, 0.2) 40%, rgba(0, 0, 0, 0.6) 80%);
}

/* Ensure content is strictly on top */
.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    /* Add a slight backdrop for better readability against images */
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.1;
    background: linear-gradient(135deg, #fff 60%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tagline {
    font-size: 1.25rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    font-weight: 300;
}

.cta-button {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--accent-blue);
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 199, 253, 0.1);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    background: var(--accent-blue);
    color: #000;
    box-shadow: 0 0 30px rgba(0, 199, 253, 0.4);
    transform: translateY(-2px);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .light-effect {
        width: 100vw;
        height: 100vw;
    }
}

/* ========== Content Sections ========== */
.content-section {
    padding: 80px 40px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.content-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff 60%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 48px;
}

/* Wins Grid */
.wins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    text-align: left;
}

.win-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 32px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.win-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 199, 253, 0.15);
}

.win-number {
    display: inline-block;
    color: var(--accent-blue);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.win-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.win-card p {
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.6;
}

/* Features List */
.features-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    text-align: left;
    max-width: 800px;
    margin: 0 auto;
}

.features-list li {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 20px 24px;
    position: relative;
    padding-left: 40px;
    color: rgba(255, 255, 255, 0.85);
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 16px;
    color: var(--accent-blue);
    font-weight: bold;
}

/* Why It Matters */
.why-it-matters p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto 24px;
}

.why-it-matters .highlight {
    color: var(--accent-blue);
    font-weight: 600;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid var(--glass-border);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* Mobile Responsiveness for new sections */
@media (max-width: 768px) {
    .content-section {
        padding: 60px 20px;
    }

    .content-section h2 {
        font-size: 1.8rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }
}