html {
    scroll-behavior: smooth;
}

:root {
    --bg-color: #030712;
    --card-bg: rgba(17, 24, 39, 0.7);
    --card-elevated: rgba(31, 41, 55, 0.8);
    --accent-color: #A2B089;
    --accent-muted: rgba(162, 176, 137, 0.1);
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --white: #FFFFFF;
    --border-color: rgba(30, 41, 59, 0.5);
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --glass: blur(12px) saturate(180%);
}

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

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

@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(162, 176, 137, 0.4);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(162, 176, 137, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(162, 176, 137, 0);
    }
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(162, 176, 137, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(162, 176, 137, 0.03) 0%, transparent 40%);
}

h1,
h2,
h3 {
    color: var(--white);
    font-weight: 800;
    letter-spacing: -0.04em;
}

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

/* Scroll Animation Utility */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

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

/* Layout */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 140px 0;
}

/* Navigation - Floating App Bar Style */
nav {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1100px;
    z-index: 1000;
    backdrop-filter: var(--glass);
    border: 1px solid var(--border-color);
    background: rgba(10, 17, 40, 0.6);
    border-radius: 100px;
    transition: var(--transition);
}

nav.scrolled {
    top: 12px;
    width: 95%;
    padding: 4px 0;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--white);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 40px;
    width: auto;
    mix-blend-mode: screen;
    /* Makes black background transparent */
    filter: brightness(1.2);
}

.logo span {
    color: var(--accent-color);
    margin-left: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-shrink: 0;
}

/* Custom Premium Language Switcher */
.lang-toggle {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 4px;
    border-radius: 99px;
    position: relative;
    cursor: pointer;
    width: 80px;
    height: 36px;
    user-select: none;
}

.lang-option {
    flex: 1;
    text-align: center;
    font-size: 11px;
    font-weight: 800;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: color 0.3s;
}

.lang-option.active {
    color: #030712;
}

.lang-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 36px;
    height: 28px;
    background: var(--accent-color);
    border-radius: 99px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.lang-toggle.en .lang-slider {
    transform: translateX(36px);
}

/* Buttons - Higher Polish */
.btn {
    padding: 0.75rem 1.75rem;
    border-radius: 100px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    border: none;
    font-size: 0.95rem;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #030712;
    animation: pulse-glow 3s infinite;
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 10px 20px rgba(162, 176, 137, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
    color: var(--white);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-secondary);
}

/* Hero Section */
.hero {
    padding-top: 240px;
    padding-bottom: 100px;
    text-align: center;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5.5rem);
    margin-bottom: 2rem;
    line-height: 0.95;
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    max-width: 800px;
    margin: 0 auto 3.5rem;
    color: var(--text-secondary);
}

/* Mockup Containers */
.screen-container {
    max-width: 300px;
    margin: 0 auto;
    transition: var(--transition);
}

/* App-like Logic Cards */
.card {
    background: var(--card-bg);
    backdrop-filter: var(--glass);
    padding: 3rem;
    border-radius: 32px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.card:hover {
    background: var(--card-elevated);
    border-color: var(--accent-color);
    transform: translateY(-8px);
}

.icon-box {
    width: 56px;
    height: 56px;
    background: var(--accent-muted);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    color: var(--accent-color);
    font-weight: 800;
    font-size: 1.25rem;
}

/* Pricing - App Toggles Feel */
.pricing-grid {
    display: flex;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.price-card {
    flex: 1;
}

.price-card.featured {
    background: linear-gradient(135deg, rgba(162, 176, 137, 0.1) 0%, rgba(17, 24, 39, 0.7) 100%);
    border: 1px solid var(--accent-color);
}

/* Footer & Other */
footer {
    background: rgba(17, 24, 39, 0.4);
    padding: 100px 0 60px;
    border-top: 1px solid var(--border-color);
}

/* Responsive Overrides */
@media (max-width: 1024px) {
    .pricing-grid {
        flex-direction: column;
    }

    .hero h1 {
        font-size: 3.5rem;
    }
}

/* Updated Responsive Navigation */
@media (max-width: 768px) {
    nav {
        top: 12px;
        width: calc(100% - 16px);
    }

    nav .container {
        padding: 0 0.75rem;
        height: 56px;
    }

    .logo-text {
        display: inline-block !important;
        font-size: 1.1rem;
    }

    #mainNav .lang-toggle {
        display: none !important;
    }

    .logo {
        gap: 8px;
    }

    .logo img {
        height: 28px;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .lang-toggle {
        width: 66px;
        height: 30px;
    }

    .lang-slider {
        width: 30px;
        height: 22px;
    }

    .lang-toggle.en .lang-slider {
        transform: translateX(30px);
    }

    .lang-option {
        font-size: 10px;
    }
}

@media (max-width: 380px) {
    .nav-links {
        gap: 0.5rem;
    }

    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }
}

/* Form Animations & Styles */
.animate-fadeIn {
    animation: fadeIn 0.5s ease forwards;
}

input[type="checkbox"] {
    width: 1.2rem;
    height: 1.2rem;
    cursor: pointer;
}

input::placeholder {
    color: #4B5563;
}