:root {
    --bg-color: #050505;
    /* Deeper black */
    --surface-color: #121212;
    --surface-hover: #252525;
    --primary-color: #ff3b30;
    /* Vibrant Red for boxing/action */
    --primary-hover: #ff5e55;
    --text-primary: #ffffff;
    --text-secondary: #a1a1a1;
    --accent-gradient: linear-gradient(135deg, #ff3b30 0%, #ff9500 100%);
    --glass-bg: rgba(26, 26, 26, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --container-width: 1200px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(3rem, 5vw, 4.5rem);
    background: var(--accent-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 2rem;
}

p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

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

/* Layout */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    background: rgba(10, 10, 10, 0.8);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 100px;
    font-weight: 600;
    background: var(--surface-color);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-color);
    border: none;
    box-shadow: 0 4px 20px rgba(255, 59, 48, 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 59, 48, 0.4);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.05);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Sections */
section {
    padding: 8rem 0;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 59, 48, 0.2) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.hero-image {
    position: relative;
}

.hero-mockup {
    width: 100%;
    max-width: 350px;
    margin: 0 auto;
    border-radius: 40px;
    border: 8px solid #2a2a2a;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    display: block;
    aspect-ratio: 9/19.5;
    background: #1a1a1a;
    overflow: hidden;
}

/* Features Redesign */
.feature-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    margin-bottom: 8rem;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-row.reverse {
    flex-direction: row-reverse;
}

.feature-text {
    flex: 1;
    max-width: 500px;
}

.feature-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.feature-visual::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(255, 59, 48, 0.08) 0%, transparent 70%);
    z-index: -1;
    filter: blur(40px);
}

.feature-img {
    width: 100%;
    max-width: 320px;
    border-radius: 40px;
    border: 4px solid #2a2a2a;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    transition: var(--transition);
}

.feature-row:hover .feature-img {
    transform: translateY(-10px);
    box-shadow: 0 30px 80px rgba(255, 59, 48, 0.15);
    border-color: #333;
}

.hero-phone-img {
    width: 100%;
    max-width: 380px;
    border-radius: 48px;
    border: 6px solid #2a2a2a;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.7);
    display: block;
    margin: 0 auto;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }

    100% {
        transform: translateY(0px);
    }
}

/* Mobile Adjustments for new layout */
@media (max-width: 768px) {

    .feature-row,
    .feature-row.reverse {
        flex-direction: column;
        text-align: center;
        gap: 3rem;
    }

    .feature-text {
        margin: 0 auto;
    }

    .feature-icon {
        margin: 0 auto 1.5rem;
    }

    .hero-phone-img {
        max-width: 300px;
        margin-top: 3rem;
    }
}

/* Footer */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
    background: #050505;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-link {
    color: var(--text-secondary);
}

.footer-link:hover {
    color: var(--text-primary);
}

.copyright {
    text-align: center;
    color: #666;
    font-size: 0.875rem;
}

/* Pages (Privacy, Support) */
.page-header {
    padding-top: 150px;
    padding-bottom: 60px;
    text-align: center;
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--surface-color);
    padding: 3rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.content-wrapper h2 {
    font-size: 1.75rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

.form-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    padding: 1rem;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

textarea.form-input {
    min-height: 150px;
    resize: vertical;
}

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

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .nav-links {
        display: none;
        /* simple hide for v1 */
    }

    .hero-mockup {
        margin-top: 3rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .footer-links {
        justify-content: center;
        flex-direction: column;
        gap: 1rem;
    }
}