/* --- CSS Variables & Reset --- */
:root {
    --bg-color: #050505;
    --bg-gradient: radial-gradient(circle at 50% -20%, #2a2a2a, #000000 60%);
    --text-main: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #ffffff;
    /* Monochrome premium feel */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    --neon-glow: 0 0 20px rgba(255, 255, 255, 0.1);
    --card-hover-bg: rgba(255, 255, 255, 0.07);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    background-image: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* --- Ambient Background Effects --- */
.ambient-light {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: floatOrb 10s infinite alternate ease-in-out;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: #1a1a1a;
    top: -100px;
    left: -100px;
    animation-duration: 15s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: #333;
    bottom: 10%;
    right: -50px;
    animation-duration: 12s;
}

.orb-3 {
    width: 150px;
    height: 150px;
    background: #555;
    top: 40%;
    left: 60%;
    opacity: 0.2;
    animation-duration: 20s;
}

@keyframes floatOrb {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(30px, 50px);
    }
}

/* --- Typography --- */
h1,
h2,
h3,
h4 {
    font-family: 'Montserrat', sans-serif;
    color: #fff;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 40px;
    background: linear-gradient(135deg, #ffffff 0%, #a5a5a5 50%, #5e5e5e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 10px 30px rgba(255, 255, 255, 0.1);
}

h2 {
    font-size: 2.5rem;
    margin-top: 50px;
    margin-bottom: 80px;
    text-align: center;
}

p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* --- Glassmorphism Utils --- */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-top: 1px solid var(--glass-highlight);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    border-radius: 24px;
}

/* --- Layout & Components --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.hero-content {
    max-width: 800px;
    z-index: 2;
    animation: slideUpFade 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.hero p {
    margin-bottom: 40px;
    font-size: 1.3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: 700;
    color: #000;
    background: #fff;
    border-radius: 50px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    transition: 0.5s;
}

.btn:hover {
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.6), 0 0 60px rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255,255,255,0.8);
}

.btn:active {
    transform: scale(0.98);
}

/* Sections */
section {
    padding: 200px 0;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
}

.card {
    padding: 40px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-15px);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), inset 0 0 20px rgba(255, 255, 255, 0.05);
}

.card h4 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #fff;
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 25px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.05);
}

/* Results */
.result-card {
    padding: 20px;
    text-align: center;
}

.result-card img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: 0.3s;
}

.result-card:hover img {
    transform: scale(1.02);
    border-color: rgba(255, 255, 255, 0.3);
}

/* CTA */
.cta-box {
    text-align: center;
    padding: 100px 60px;
    margin-top: 100px;
    position: relative;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px;
    border-top: 1px solid var(--glass-border);
    color: #555;
    font-size: 0.9rem;
}

/* --- Animations --- */
@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

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

    h2 {
        font-size: 1.8rem;
    }

    section {
        padding: 80px 0;
    }
}