/* Maximux Potentia - New Design System (HabitKit Inspired) */

/* 1. Variables & Theme */
:root {
    /* Colors */
    --bg-main: #000000;
    /* Pure black */
    --bg-card: #111827;
    /* Dark gray for cards */
    --bg-hover: #1F2937;

    --text-primary: #F9FAFB;
    --text-muted: #9CA3AF;

    --accent-purple: #9333ea;
    --accent-glow: radial-gradient(circle, rgba(147, 51, 234, 0.15) 0%, rgba(0, 0, 0, 0) 70%);

    --border-color: #1F2937;

    /* Spacing & Layout */
    --container-width: 1100px;
    --padding-mobile: 1.5rem;
    --padding-desktop: 2rem;

    /* Radius */
    --radius-card: 24px;
    --radius-btn: 12px;

    /* Transitions */
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 2. Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
}

/* Background Glow Effect */
body::before {
    content: '';
    position: fixed;
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 600px;
    background: var(--accent-glow);
    z-index: -1;
    filter: blur(80px);
    pointer-events: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

img {
    max-width: 100%;
    display: block;
}

/* 3. Typography */
h1,
h2,
h3,
h4 {
    color: var(--text-primary);
    font-weight: 800;
    letter-spacing: -0.025em;
}

h1 {
    font-size: 2.5rem;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    letter-spacing: -0.04em;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

p {
    color: var(--text-muted);
    font-size: 1.125rem;
    line-height: 1.75;
}

/* Highlight Pill */
.highlight {
    background: linear-gradient(90deg, rgba(147, 51, 234, 0.2), rgba(124, 58, 237, 0.2));
    color: #c084fc;
    padding: 0.1rem 0.6rem;
    border-radius: 8px;
    display: inline-block;
    border: 1px solid rgba(147, 51, 234, 0.3);
}

/* 4. Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--padding-mobile);
}

.text-center {
    text-align: center;
}

.text-purple {
    color: #a855f7;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.gap-1 {
    gap: 1rem;
}

.gap-2 {
    gap: 2rem;
}

.gap-4 {
    gap: 4rem;
}

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 4rem;
}

/* 5. Components */
/* Buttons / Store Badges */
.store-badges {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2.5rem;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    background-color: var(--text-primary);
    color: black;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.store-btn:hover {
    transform: translateY(-2px);
    background-color: #fff;
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.1);
}

.store-btn img,
.store-btn svg {
    width: 20px;
    height: 20px;
    margin-right: 0.75rem;
}

/* Cards */
.card {
    background-color: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-card);
    padding: 2.25rem;
    overflow: hidden;
    position: relative;
    transition: var(--transition-smooth);
}

.card:hover {
    border-color: rgba(147, 51, 234, 0.3);
    background-color: rgba(17, 24, 39, 0.8);
    transform: translateY(-2px);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.card-desc {
    font-size: 1rem;
    color: var(--text-muted);
}

/* 6. Header */
header {
    padding: 2rem 0;
    position: absolute;
    width: 100%;
    top: 0;
    z-index: 50;
}

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

.logo {
    font-weight: 800;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-purple), #7c3aed);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(147, 51, 234, 0.3);
}

/* 6b. Page Layouts */
.hero-content {
    padding-top: 7rem;
    padding-bottom: 3.5rem;
    text-align: center;
}

.subpage-content {
    padding-top: 8rem;
    padding-bottom: 4rem;
}

/* 7. Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 2rem;
    margin-top: 6rem;
    background: linear-gradient(to bottom, #000, #050505);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.footer-col a {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.footer-col a:hover {
    color: var(--accent-purple);
}

/* Responsive */
@media (min-width: 768px) {
    h1 {
        font-size: 4.75rem;
    }

    .container {
        padding: 0 var(--padding-desktop);
    }

    .bento-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: auto auto;
    }

    .span-2 {
        grid-column: span 2;
    }

    .span-3 {
        grid-column: span 3;
    }

    .row-span-2 {
        grid-row: span 2;
    }

    .hero-content {
        padding-top: 10rem;
        padding-bottom: 6rem;
    }

    footer {
        padding: 5rem 0 3rem;
        margin-top: 8rem;
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
        gap: 4rem;
    }
}

/* New Utilities & Animations */
.overflow-hidden {
    overflow: hidden;
}

.justify-between {
    justify-content: space-between;
}

.app-mockup {
    border-radius: 30px;
    box-shadow: 0 25px 80px -12px rgba(147, 51, 234, 0.25);
    max-width: 300px;
    margin: 0 auto;
    border: 8px solid #1F2937;
    transition: transform 0.5s ease;
}

.app-mockup:hover {
    transform: translateY(-5px) scale(1.02);
}

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

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

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}