:root {
    --bg-color: #000000;
    --bg-secondary: #0A0A0A;
    --bg-surface: #111111;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-muted: #666666;
    --accent: #00E5CC;
    --accent-hover: #00C4B0;
    --accent-glow: rgba(0, 229, 204, 0.15);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(0, 229, 204, 0.3);

    --font-stack: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 40px;
    --space-xl: 60px;
    --space-2xl: 100px;
    --space-3xl: 120px;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;
    --radius-phone: 40px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--accent-glow);

    --nav-height: 56px;
    --max-width: 1100px;
}

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

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4 {
    letter-spacing: -0.02em;
    font-weight: 600;
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s ease, color 0.2s ease;
}

a:hover {
    opacity: 0.85;
}

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

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes float {

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

    50% {
        transform: translateY(-8px);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

@keyframes glowPulse {

    0%,
    100% {
        box-shadow: 0 0 20px var(--accent-glow);
    }

    50% {
        box-shadow: 0 0 30px rgba(0, 229, 204, 0.25);
    }
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-delay-1 {
    transition-delay: 0.1s;
}

.animate-delay-2 {
    transition-delay: 0.2s;
}

.animate-delay-3 {
    transition-delay: 0.3s;
}

.animate-delay-4 {
    transition-delay: 0.4s;
}


.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-2xl) var(--space-md);
}

.section-alt {
    background: var(--bg-secondary);
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--space-md);
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    font-size: 0.9rem;
}

.nav-links a {
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
    opacity: 1;
}

.btn-nav {
    background: var(--text-primary);
    color: var(--bg-color);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.85rem;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn-nav:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #000;
    padding: 16px 36px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    opacity: 1;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--text-primary);
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    border: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-accent);
    opacity: 1;
}

.store-badges {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.store-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-primary);
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    line-height: 1.2;
}

.store-badge svg {
    flex-shrink: 0;
}

.store-badge strong {
    font-size: 1rem;
    display: block;
}

.store-badge:hover {
    transform: translateY(-2px);
    background: var(--bg-surface);
    border-color: var(--border-accent);
    opacity: 1;
}


.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-height) + var(--space-xl)) var(--space-md) var(--space-xl);
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.hero-content {
    animation: fadeUp 0.8s ease forwards;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    line-height: 1.1;
    margin-bottom: var(--space-md);
    background: linear-gradient(180deg, #fff 0%, #888 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: var(--space-lg);
    font-weight: 400;
    line-height: 1.6;
    animation: fadeUp 0.8s ease 0.1s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    animation: fadeUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 1s ease 0.3s forwards;
    opacity: 0;
}

.phone-mockup {
    width: 280px;
    border-radius: var(--radius-phone);
    border: 8px solid #2a2a2a;
    position: relative;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    background: #000;
    animation: float 6s ease-in-out infinite;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 24px;
    background: #1a1a1a;
    border-radius: 12px;
    z-index: 10;
}

.phone-mockup img {
    width: 100%;
    height: auto;
    display: block;
}

.phone-caption {
    text-align: center;
    margin-top: var(--space-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-visual {
        order: -1;
    }

    .phone-mockup {
        width: 240px;
    }
}

.value-prop {
    padding: var(--space-2xl) var(--space-md);
    background: var(--bg-secondary);
    text-align: center;
}

.value-prop-content {
    max-width: 700px;
    margin: 0 auto;
}

.value-prop h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-bottom: var(--space-md);
    font-weight: 500;
    color: var(--text-primary);
}

.value-prop p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.how-it-works {
    padding: var(--space-2xl) var(--space-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-header h2 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    margin-bottom: var(--space-sm);
}

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

.step-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    margin-bottom: var(--space-2xl);
}

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

.step-row.reverse .step-content {
    order: 2;
}

.step-row.reverse .step-visual {
    order: 1;
}

.step-content {
    max-width: 450px;
}

.step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(0, 229, 204, 0.1);
    border: 2px solid var(--accent);
    border-radius: 50%;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

.step-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
}

.step-content p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.step-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-phone {
    width: 260px;
    border-radius: var(--radius-phone);
    border: 6px solid #2a2a2a;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    background: #000;
}

.step-phone img {
    width: 100%;
    height: auto;
}

@media (max-width: 900px) {
    .step-row {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .step-row.reverse .step-content,
    .step-row.reverse .step-visual {
        order: unset;
    }

    .step-content {
        max-width: 100%;
    }

    .step-visual {
        order: -1;
        margin-bottom: var(--space-md);
    }

    .step-phone {
        width: 220px;
    }
}

.philosophy {
    padding: var(--space-2xl) var(--space-md);
    background: var(--bg-secondary);
    text-align: center;
}

.philosophy-content {
    max-width: 750px;
    margin: 0 auto;
}

.philosophy blockquote {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.philosophy p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.final-cta {
    padding: var(--space-3xl) var(--space-md);
    background: var(--bg-secondary);
    text-align: center;
}

.final-cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.final-cta h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-md);
    background: linear-gradient(180deg, #fff 0%, #888 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.final-cta p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

.final-cta .btn-primary {
    margin-top: var(--space-md);
}

.final-cta .store-badges {
    margin-top: var(--space-lg);
}

footer {
    padding: var(--space-lg) var(--space-md);
    border-top: 1px solid var(--border-subtle);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-tagline {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-links a {
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--text-primary);
    opacity: 1;
}

@media (max-width: 600px) {
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

.page-content {
    min-height: calc(100vh - 200px);
    padding: calc(var(--nav-height) + var(--space-xl)) var(--space-md) var(--space-xl);
}

.text-container {
    max-width: 800px;
}

.text-container h1 {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
    background: linear-gradient(180deg, #fff, #888);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.last-updated {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    font-size: 0.9rem;
}

.text-container section {
    margin-bottom: var(--space-lg);
}

.text-container h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.text-container h3 {
    font-size: 1.2rem;
    margin-top: var(--space-md);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    font-weight: 600;
}

.text-container p,
.text-container ul {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

.text-container ul {
    padding-left: var(--space-md);
}

.text-container li {
    margin-bottom: var(--space-xs);
}

.text-container a {
    color: var(--accent);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.text-container a:hover {
    border-bottom-color: var(--accent);
    opacity: 1;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.contact-form {
    max-width: 600px;
    background: var(--bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-stack);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent);
}

.acknowledgment {
    margin-top: var(--space-xl);
    padding: var(--space-md);
    background: rgba(0, 229, 204, 0.05);
    border: 1px solid rgba(0, 229, 204, 0.2);
    border-radius: var(--radius-md);
}

.acknowledgment p {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0;
}