@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --background: #ffffff;
    --foreground: #000000;
    --accents-1: #fafafa;
    --accents-2: #eaeaea;
    --accents-3: #999999;
    --accents-4: #888888;
    --accents-5: #666666;
    --accents-6: #444444;
    --accents-7: #333333;
    --accents-8: #111111;

    --primary: #00dc82;
    --primary-light: #a5f3d0;
    --primary-dark: #00a35c;
    --primary-glow: rgba(0, 220, 130, 0.15);

    --success: #00dc82;
    --warning: #f5a623;
    --error: #ee0000;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;

    --spacing-base: 4px;
    --radius: 8px;

    --nav-bg: rgba(255, 255, 255, 0.8);
    --nav-hover-bg: rgba(255, 255, 255, 0.95);
    --card-bg: rgba(255, 255, 255, 0.7);
    --card-title-gradient: linear-gradient(90deg, #000, var(--primary-dark));
    --hero-gradient: linear-gradient(180deg, #000 40%, var(--primary-dark) 100%);
}

body.dark-theme {
    --background: #000000;
    --foreground: #ffffff;
    --accents-1: #111111;
    --accents-2: #333333;
    --accents-3: #444444;
    --accents-4: #666666;
    --accents-5: #888888;
    --accents-6: #999999;
    --accents-7: #eaeaea;
    --accents-8: #fafafa;

    --primary-glow: rgba(0, 220, 130, 0.3);
    --nav-bg: rgba(0, 0, 0, 0.7);
    --nav-hover-bg: rgba(0, 0, 0, 0.9);
    --card-bg: rgba(20, 20, 20, 0.5);
    --card-title-gradient: linear-gradient(90deg, #fff, var(--primary));
    --hero-gradient: linear-gradient(180deg, #fff 40%, var(--primary) 100%);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--background);
    color: var(--foreground);
    font-family: var(--font-sans);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    letter-spacing: -0.05em;
    margin-bottom: 0.5em;
    line-height: 1.1;
}

h1 {
    font-size: 4rem;
}

h2 {
    font-size: 3rem;
}

h3 {
    font-size: 2rem;
}

p {
    color: var(--accents-5);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

a {
    color: var(--foreground);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accents-5);
}

/* Utility classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 8rem 0;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 2px solid var(--primary-glow);
    box-shadow: 0 4px 60px var(--primary-glow);
    height: 72px;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.nav:hover {
    background: var(--nav-hover-bg);
    box-shadow: 0 4px 80px rgba(0, 220, 130, 0.4);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-logo {
    font-weight: 800;
    font-size: 1.6rem;
    letter-spacing: -0.05em;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-shadow: 0 0 15px var(--primary-glow);
}

.logo-svg {
    width: 32px;
    height: 32px;
    color: var(--primary);
    filter: drop-shadow(0 0 12px var(--primary-glow));
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.nav-logo:hover .logo-svg {
    transform: rotate(180deg) scale(1.2);
    filter: drop-shadow(0 0 20px var(--primary));
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.95rem;
    color: var(--accents-5);
    font-weight: 500;
    transition: all 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--background);
    box-shadow: 0 10px 20px -10px var(--primary-glow);
}

.btn-primary:hover {
    background-color: var(--foreground);
    color: var(--background);
    box-shadow: 0 15px 30px -10px var(--primary-glow);
    transform: translateY(-4px) scale(1.02);
}

.btn-secondary {
    background-color: transparent;
    color: var(--foreground);
    border-color: var(--accents-2);
}

/* Theme Toggle */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--accents-2);
    color: var(--foreground);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    margin-left: 1rem;
}

.theme-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: scale(1.1);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

body.dark-theme .moon-icon {
    display: none;
}

body:not(.dark-theme) .sun-icon {
    display: none;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-4px);
}

/* Hero Section */
.hero {
    padding-top: 10rem;
    text-align: center;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 80%);
    z-index: -1;
    filter: blur(100px);
    opacity: 0.6;
    animation: pulse 8s infinite alternate ease-in-out;
}

@keyframes pulse {
    from {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.4;
    }

    to {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.7;
    }
}

.hero h1 {
    font-size: 5rem;
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.5));
}

.hero p {
    max-width: 700px;
    margin: 2.5rem auto;
    font-size: 1.3rem;
}

/* Cards / Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 5rem;
    perspective: 1000px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 2.5rem;
    border-radius: 20px;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 220, 130, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}

.card:hover {
    transform: translateY(-20px) rotateX(4deg) scale(1.02);
    border-color: var(--primary);
    box-shadow: 0 30px 60px -15px rgba(0, 220, 130, 0.2);
}

.card:hover::before {
    opacity: 1;
}

.card h3,
.card h4 {
    margin-bottom: 1.5rem;
    background: var(--card-title-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card h4 {
    margin-bottom: 0;
}

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.card-link:hover .card {
    transform: translateY(-10px) rotateX(2deg) scale(1.01);
    border-color: var(--primary);
    box-shadow: 0 15px 30px -10px rgba(0, 220, 130, 0.2);
}

.card-link:hover .card h4 {
    color: var(--primary);
    /* Fallback */
}

/* Scroll Animations Variants */
.reveal-up {
    opacity: 0;
    transform: translateY(60px);
}

.reveal-down {
    opacity: 0;
    transform: translateY(-60px);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
}

.reveal-zoom {
    opacity: 0;
    transform: scale(0.85);
}

.reveal-up,
.reveal-down,
.reveal-left,
.reveal-right,
.reveal-zoom {
    transition: all 1s cubic-bezier(0.23, 1, 0.32, 1);
    will-change: transform, opacity;
}

.active.reveal-up,
.active.reveal-down,
.active.reveal-left,
.active.reveal-right,
.active.reveal-zoom {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

/* Enhanced Staggering */
.grid .card:nth-child(1) {
    transition-delay: 0.1s;
}

.grid .card:nth-child(2) {
    transition-delay: 0.25s;
}

.grid .card:nth-child(3) {
    transition-delay: 0.4s;
}

.download-item {
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.download-item:hover {
    transform: translateY(-15px) scale(1.05);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

/* Pricing Table & Grid */
.price-table-container {
    overflow-x: auto;
    margin: 2rem 0;
    border-radius: 12px;
    background: var(--accents-1);
    border: 1px solid var(--accents-2);
}

.price-categories {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 3rem;
}

.price-category h3 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    color: var(--accent-green);
    border-bottom: 1px solid var(--accents-2);
    padding-bottom: 0.5rem;
}

.price-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.price-card {
    background: var(--accents-1);
    border: 1px solid var(--accents-2);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.price-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px -10px rgba(0, 220, 130, 0.2);
}

.price-card h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.price-card .currencies {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-family: var(--font-mono);
}

.currency-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.currency-row .val {
    font-weight: 600;
    color: var(--foreground);
}

.currency-row .label {
    color: var(--accents-5);
}

.all-modules-highlight {
    background: linear-gradient(135deg, rgba(0, 220, 130, 0.1) 0%, rgba(0, 220, 130, 0.05) 100%);
    border: 2px solid var(--accent-green) !important;
    margin-top: 4rem;
    padding: 2.5rem !important;
    text-align: center;
}

.all-modules-highlight h3 {
    color: var(--accent-green);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.all-modules-highlight .currencies {
    flex-direction: row;
    justify-content: center;
    gap: 3rem;
    margin-top: 1.5rem;
}

.all-modules-highlight .currency-row {
    flex-direction: column;
    gap: 0.2rem;
}

.all-modules-highlight .currency-row .val {
    font-size: 1.4rem;
}

@media (max-width: 768px) {
    .all-modules-highlight .currencies {
        flex-direction: column;
        gap: 1.5rem;
    }
}

table {
    border-radius: var(--radius);
}

/* Forms & Inputs refinement */
.form-container {
    max-width: 500px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--accents-1);
    border: 1px solid var(--accents-2);
    border-radius: var(--radius);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--accents-5);
}

/* Download specific */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    text-align: center;
    margin-top: 4rem;
}

.download-item {
    padding: 3rem;
    background: var(--accents-1);
    border: 1px solid var(--accents-2);
    border-radius: var(--radius);
    transition: transform 0.2s;
}

.download-item:hover {
    transform: translateY(-5px);
    border-color: var(--accents-3);
}

.download-item img {
    width: 64px;
    margin-bottom: 2rem;
    filter: grayscale(1) invert(1);
}

.neon-text {
    color: var(--success);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.portable-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: var(--primary-glow);
    border: 1px solid var(--primary);
    border-radius: 30px;
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-decoration: none;
    margin: 0.5rem 0 1.5rem 0;
    animation: badge-pulse 2s infinite;
}

.portable-badge:hover {
    background: var(--primary);
    color: var(--background);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 20px var(--primary-glow);
    animation-play-state: paused;
}

@keyframes badge-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 220, 130, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 220, 130, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 220, 130, 0);
    }
}

body:not(.dark-theme) .download-item img {
    filter: none;
}

/* Tables (Pricing) */
.price-table-container {
    overflow-x: auto;
    margin-top: 4rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th,
td {
    padding: 1rem;
    border-bottom: 1px solid var(--accents-2);
}

th {
    color: var(--accents-5);
    font-weight: 500;
    font-size: 0.9rem;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    margin-top: 4rem;
}

.contact-info h4 {
    color: var(--accents-5);
    text-transform: uppercase;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.contact-link {
    font-size: 1.5rem;
    font-weight: 600;
    display: block;
    margin-bottom: 0.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

input[type="text"],
input[type="email"] {
    width: 100%;
    padding: 0.75rem;
    background: var(--background);
    border: 1px solid var(--accents-2);
    border-radius: var(--radius);
    color: var(--foreground);
    font-family: inherit;
}

input:focus {
    outline: none;
    border-color: var(--accents-5);
}

/* Footer */
footer {
    border-top: 1px solid var(--accents-2);
    padding: 4rem 0;
    text-align: center;
    color: var(--accents-5);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }
}