/* === RESET & BASE === */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #0a0a0f;
    --surface: rgba(15, 23, 42, 0.6);
    --border: rgba(0, 255, 255, 0.1);
    --text: #e2e8f0;
    --text-muted: #64748b;
    --cyan: #22d3ee;
    --cyan-glow: rgba(0, 255, 255, 0.15);
}

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

/* === AMBIENT GLOW === */
.glow-bg {
    position: fixed;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(0, 255, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* === HEADER === */
header {
    position: relative;
    z-index: 10;
    padding: 1.5rem 2rem;
}

nav {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: white;
}

/* === HERO === */
main {
    position: relative;
    z-index: 10;
}

/* === HERO === */
main {
    position: relative;
    z-index: 10;
}

.hero {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 6rem 2rem 4rem;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--cyan);
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.2);
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 4.5rem);
    font-weight: 900;
    line-height: 1;
    color: white;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.gradient-text {
    background: linear-gradient(135deg, #22d3ee 0%, #a78bfa 50%, #f472b6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}


/* === SECTION HEADER === */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    color: white;
    letter-spacing: -1px;
}

/* === FEATURES GRID === */
.features {
    max-width: 1100px;
    margin: 0 auto 8rem;
    padding: 0 2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.feature-card:hover {
    border-color: rgba(34, 211, 238, 0.4);
    background: rgba(15, 23, 42, 0.8);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(34, 211, 238, 0.1);
}

.feature-icon {
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.6rem;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}


/* === HOW IT WORKS === */
.how-it-works {
    max-width: 1100px;
    margin: 0 auto 10rem;
    padding: 0 2rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0891b2, #22d3ee);
    color: white;
    font-weight: 800;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 30px rgba(34, 211, 238, 0.3);
}

.step h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.step p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* === FOOTER === */
footer {
    text-align: center;
    padding: 6rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
}

footer p {
    font-size: 0.95rem;
}

/* === ANIMATIONS === */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* === RESPONSIVE === */
@media (max-width: 968px) {

    .steps {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}