/* Reset and Base Styles - Updated Dec 5, 2025 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Violet/Purple Theme Colors - Matching Mobile App */
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #6366F1;
    --primary-lighter: #818CF8;
    --secondary-color: #10B981;
    --accent-purple: #7C3AED;
    --accent-violet: #8B5CF6;

    /* Text Colors */
    --text-primary: #1A202C;
    --text-secondary: #4A5568;
    --text-light: #718096;
    --text-lighter: #A0AEC0;

    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F7FAFC;
    --bg-tertiary: #EDF2F7;
    --bg-accent: #F9FAFB;

    /* Border Colors */
    --border-color: #E2E8F0;
    --border-light: #EDF2F7;

    /* Gradients - Violet Theme */
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    --gradient-3: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    --gradient-hero: linear-gradient(180deg, #FAFAFF 0%, #F0F0FF 100%);

    /* Enhanced Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-card: 0 2px 8px rgba(79, 70, 229, 0.08);
    --shadow-card-hover: 0 8px 24px rgba(79, 70, 229, 0.15);

    /* Spacing System */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    color: var(--text-primary);
    line-height: 1.65;
    background-color: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    padding: var(--space-4) 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: opacity 0.2s ease;
}

.logo:hover {
    opacity: 0.8;
}

.logo img {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.nav-cta {
    padding: var(--space-2) var(--space-6);
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.nav-cta:active {
    transform: translateY(0);
}

/* Hero Section */
.hero {
    padding: 140px 0 100px;
    background: var(--gradient-hero);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(79, 70, 229, 0.08);
    color: var(--primary-color);
    border-radius: 24px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-6);
    border: 1px solid rgba(79, 70, 229, 0.1);
    transition: all 0.2s ease;
}

.badge:hover {
    background: rgba(79, 70, 229, 0.12);
    border-color: rgba(79, 70, 229, 0.2);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: var(--space-6);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
    line-height: 1.7;
    font-weight: 400;
}

.hero-description {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: var(--space-10);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: var(--space-3) var(--space-8);
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
    background: rgba(79, 70, 229, 0.05);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-large {
    padding: var(--space-4) var(--space-12);
    font-size: 1.125rem;
}

/* Features Section - Unique Bento Box Layout */
.features {
    padding: var(--space-24) 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-header h2 {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-6);
    max-width: 1100px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-secondary);
    padding: var(--space-8);
    border-radius: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.feature-card:nth-child(1) {
    grid-column: span 7;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
}

.feature-card:nth-child(2) {
    grid-column: span 5;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.feature-card:nth-child(3) {
    grid-column: span 5;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
}

.feature-card:nth-child(4) {
    grid-column: span 7;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
}

.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::after {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(79, 70, 229, 0.3);
    background: white;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-2);
    border-radius: 20px;
    padding: 18px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    color: white !important;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-xl);
}

.feature-card:hover .feature-icon svg {
    transform: scale(1.05);
}

/* Different gradient for each feature icon */
.feature-card:nth-child(1) .feature-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) !important;
}

.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%) !important;
}

.feature-card:nth-child(4) .feature-icon {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%) !important;
}

.feature-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
    line-height: 1.4;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

/* Screenshots Section - Modern Gallery */
.screenshots {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.screenshot-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-10);
    max-width: 1100px;
    margin: 0 auto;
}

.screenshot-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.phone-frame {
    width: 100%;
    max-width: 300px;
    margin-bottom: var(--space-5);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transition: all 0.3s ease;
    background: var(--gradient-1);
    padding: 8px;
}

.phone-frame:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 30px 60px rgba(79, 70, 229, 0.25);
}

.phone-frame img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 18px;
}

.screenshot-caption h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.screenshot-caption p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Download Section */
.download-section {
    padding: var(--space-24) 0;
    background: var(--gradient-2);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.download-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.download-content {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.download-section h2 {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: var(--space-5);
    letter-spacing: -0.02em;
}

.download-section p {
    font-size: 1.125rem;
    margin-bottom: var(--space-10);
    opacity: 0.95;
    line-height: 1.7;
}

.download-options {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

.btn-playstore-large {
    background: white;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.125rem;
    padding: var(--space-5) var(--space-16);
}

.btn-playstore-large:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.download-note {
    font-size: 0.9375rem;
    opacity: 0.9;
    margin-top: var(--space-2);
}

.waitlist-benefits {
    display: flex;
    gap: var(--space-6);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--space-8);
}

.benefit {
    font-size: 0.9375rem;
    font-weight: 500;
    opacity: 0.95;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* FAQ Section */
.faq {
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    max-width: 1100px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    padding: var(--space-8);
    border-radius: 16px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-xs);
}

.faq-item:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-card);
    border-left-width: 6px;
}

.faq-item h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
    line-height: 1.4;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-10);
    margin-bottom: var(--space-10);
}

.footer-brand .logo {
    margin-bottom: var(--space-3);
}

.footer-brand p {
    margin-top: var(--space-3);
    opacity: 0.85;
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: white;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.social-link {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.social-link:hover {
    color: white;
    padding-left: var(--space-2);
}

.social-icon {
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.social-link:hover .social-icon {
    transform: scale(1.1);
}

.footer-contact p {
    opacity: 0.85;
    margin-bottom: var(--space-2);
    line-height: 1.6;
}

.email-link {
    color: var(--primary-lighter);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.email-link:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.75;
}

.footer-bottom p {
    margin: var(--space-2) 0;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card:nth-child(1),
    .feature-card:nth-child(2),
    .feature-card:nth-child(3),
    .feature-card:nth-child(4) {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
    }

    .hero {
        padding: 120px 0 var(--space-16);
    }

    .hero h1 {
        font-size: 2.5rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-description {
        font-size: 0.9375rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }

    .section-header h2 {
        font-size: 2.25rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .screenshot-gallery {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .download-section h2 {
        font-size: 2.25rem;
    }

    .download-section p {
        font-size: 1rem;
    }

    .waitlist-benefits {
        flex-direction: column;
        gap: var(--space-3);
        align-items: center;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-8);
    }

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

    .social-link:hover {
        padding-left: 0;
    }

    .logo {
        font-size: 1.375rem;
    }

    .logo img {
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 var(--space-12);
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 0.875rem;
    }

    .btn {
        padding: var(--space-3) var(--space-6);
        font-size: 0.9375rem;
    }

    .btn-large {
        padding: var(--space-3) var(--space-8);
        font-size: 1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .feature-card {
        padding: var(--space-6);
    }

    .feature-icon {
        width: 70px;
        height: 70px;
        padding: 16px;
    }

    .feature-card h3 {
        font-size: 1.125rem;
    }

    .download-section h2 {
        font-size: 2rem;
    }

    .faq-item {
        padding: var(--space-6);
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo img {
        width: 44px;
        height: 44px;
    }

    .nav-cta {
        padding: var(--space-2) var(--space-4);
        font-size: 0.875rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-5px);
    }
}

.hero-content,
.feature-card,
.faq-item,
.screenshot-item {
    animation: fadeInUp 0.6s ease-out;
}

.feature-icon {
    animation: iconFloat 3s ease-in-out infinite;
}

.feature-card:nth-child(2) .feature-icon {
    animation-delay: 0.5s;
}

.feature-card:nth-child(3) .feature-icon {
    animation-delay: 1s;
}

.feature-card:nth-child(4) .feature-icon {
    animation-delay: 1.5s;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: white;
}