/* CSS Variables */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #f97316;
    --secondary-light: #fb923c;
    --background: #f8fafc;
    --surface: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --success: #22c55e;
    --warning: #eab308;
    --error: #ef4444;
    --gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #f97316 100%);
    --gradient-warm: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p {
    color: var(--text-secondary);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius);
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a:not(.btn) {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:not(.btn):hover {
    color: var(--text);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    padding: 120px 0 80px;
    background: linear-gradient(180deg, #f0f4ff 0%, #fdf4ff 50%, #fff7ed 100%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-title {
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.hero-note {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    width: 280px;
    height: 580px;
    background: #1a1a1a;
    border-radius: 45px;
    padding: 12px;
    box-shadow: var(--shadow-xl);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 28px;
    background: #000;
    border-radius: 20px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 35px;
    overflow: hidden;
}

.app-preview {
    padding: 60px 16px 20px;
    height: 100%;
    background: #f8fafc;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-weight: 700;
    font-size: 1.25rem;
}

.gear-icon {
    opacity: 0.5;
}

.reminder-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: white;
    padding: 16px;
    border-radius: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
}

.reminder-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.reminder-dot.high { background: var(--secondary); }
.reminder-dot.medium { background: var(--primary); }

.reminder-content {
    flex: 1;
}

.reminder-title {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 2px;
}

.reminder-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.reminder-badge {
    background: var(--gradient-warm);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 10px;
    border-radius: 12px;
}

.mic-button {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

/* Floating Cards */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    background: white;
    padding: 12px 16px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    font-size: 0.875rem;
    font-weight: 500;
    animation: float 6s ease-in-out infinite;
}

.card-icon {
    font-size: 1.25rem;
}

.card-1 {
    top: 80px;
    right: -40px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 200px;
    left: -60px;
    animation-delay: 2s;
}

.card-3 {
    bottom: 80px;
    right: -20px;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.hero-wave svg {
    display: block;
    width: 100%;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 32px;
    background: var(--background);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    margin-bottom: 8px;
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: linear-gradient(180deg, white 0%, var(--background) 100%);
}

.steps {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    max-width: 500px;
    opacity: 0;
    transform: translateX(-20px);
}

.step.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--gradient);
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-content h3 {
    margin-bottom: 8px;
}

.step-connector {
    width: 2px;
    height: 40px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    margin-left: 23px;
}

/* Use Cases */
.use-cases {
    padding: 80px 0;
    background: var(--background);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.use-case {
    text-align: center;
    padding: 32px 24px;
    background: white;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.95);
}

.use-case.animate-in {
    opacity: 1;
    transform: scale(1);
}

.use-case:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.use-case-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.use-case h4 {
    margin-bottom: 8px;
}

.use-case p {
    font-size: 0.875rem;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: var(--gradient);
}

.download-container {
    text-align: center;
}

.download-content h2 {
    color: white;
    margin-bottom: 16px;
}

.download-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 32px;
}

.app-store-badge img {
    height: 60px;
    transition: transform 0.2s;
}

.app-store-badge:hover img {
    transform: scale(1.05);
}

.download-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 32px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--text);
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 12px;
}

.footer-brand .logo {
    color: white;
}

.footer-links h4 {
    margin-bottom: 16px;
    color: white;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 8px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Legal Pages */
.legal-page {
    padding: 120px 0 60px;
    min-height: 100vh;
}

.legal-page .container {
    max-width: 800px;
}

.legal-header {
    margin-bottom: 40px;
}

.legal-header h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.legal-date {
    color: var(--text-muted);
}

.legal-content {
    background: white;
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.legal-content h2 {
    font-size: 1.5rem;
    margin: 32px 0 16px;
    color: var(--text);
}

.legal-content h2:first-child {
    margin-top: 0;
}

.legal-content p {
    margin-bottom: 16px;
}

.legal-content ul {
    margin-bottom: 16px;
    padding-left: 24px;
}

.legal-content li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.legal-content a {
    color: var(--primary);
}

/* Support Page */
.support-page {
    padding: 120px 0 60px;
    min-height: 100vh;
}

.support-hero {
    text-align: center;
    margin-bottom: 60px;
}

.support-hero h1 {
    margin-bottom: 16px;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.support-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.support-card h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.support-card ul {
    padding-left: 24px;
}

.support-card li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.faq-section {
    background: white;
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.faq-section h2 {
    margin-bottom: 32px;
    text-align: center;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h4 {
    margin-bottom: 8px;
    color: var(--text);
}

.contact-section {
    text-align: center;
    margin-top: 60px;
    padding: 48px;
    background: var(--background);
    border-radius: var(--radius-lg);
}

.contact-section h2 {
    margin-bottom: 16px;
}

.contact-section .btn {
    margin-top: 24px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-image {
        order: 2;
    }

    .hero-subtitle {
        margin: 0 auto 32px;
    }

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

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links a:not(.btn) {
        display: none;
    }

    .phone-mockup {
        width: 240px;
        height: 500px;
    }

    .floating-card {
        display: none;
    }

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

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .download-features {
        flex-direction: column;
        gap: 12px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .legal-content {
        padding: 32px 24px;
    }

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