/* ===========================
   CSS Variables & Reset
   =========================== */

:root {
    /* Colors - Apple-inspired palette */
    --color-primary: #0071e3;
    --color-primary-dark: #0077ed;
    --color-secondary: #86868b;
    --color-text: #1d1d1f;
    --color-text-secondary: #6e6e73;
    --color-background: #ffffff;
    --color-surface: #f5f5f7;
    --color-border: #d2d2d7;
    --color-success: #34c759;
    --color-gradient-1: #0071e3;
    --color-gradient-2: #00d4ff;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    --font-size-4xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1.0rem;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* ===========================
   Navigation
   =========================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.nav-icon {
    width: 32px;
    height: 32px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text);
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

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

/* ===========================
   Buttons
   =========================== */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: center;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.btn-hero {
    background-color: var(--color-primary);
    color: white;
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
    font-weight: 600;
}

.btn-hero:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
    font-weight: 600;
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

.btn-cta {
    background: linear-gradient(135deg, var(--color-gradient-1), var(--color-gradient-2));
    color: white;
    padding: 1.25rem 3rem;
    font-size: var(--font-size-lg);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary-cta {
    background-color: white;
    color: var(--color-text);
    border: 2px solid var(--color-border);
    padding: 1.125rem 3rem;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.btn-secondary-cta:hover {
    border-color: var(--color-text);
    transform: translateY(-3px);
}

/* ===========================
   Hero Section
   =========================== */

.hero {
    margin-top: 80px;
    padding: var(--spacing-3xl) var(--spacing-lg);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

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

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-gradient-1), var(--color-gradient-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.hero-feature .icon {
    width: 20px;
    height: 20px;
    color: var(--color-success);
}

.hero-image {
    position: relative;
}

.hero-screenshot {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-base);
}

.hero-screenshot:hover {
    transform: scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

/* Sparkle Effects */
.sparkle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--color-gradient-1), var(--color-gradient-2));
    border-radius: 50%;
    opacity: 0;
    animation: sparkle 2s infinite ease-in-out;
}

.sparkle-1 {
    top: 10%;
    right: 15%;
    animation-delay: 0s;
}

.sparkle-2 {
    top: 30%;
    right: 5%;
    animation-delay: 0.7s;
}

.sparkle-3 {
    top: 60%;
    right: 20%;
    animation-delay: 1.4s;
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===========================
   Section Titles
   =========================== */

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    letter-spacing: -0.02em;
}

/* ===========================
   Bento Grid
   =========================== */

.bento {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: var(--color-surface);
}

.bento-container {
    max-width: 1400px;
    margin: 0 auto;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-md);
}

.bento-item {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    overflow: hidden;
    position: relative;
}

.bento-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Bento Grid Layouts */
.bento-large {
    grid-column: span 8;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 400px;
}

.bento-medium {
    grid-column: span 4;
    min-height: 350px;
}

.bento-square {
    grid-column: span 4;
    min-height: 300px;
}

.bento-wide {
    grid-column: span 12;
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    min-height: 250px;
}

/* Bento Content */
.bento-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.bento-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.bento-image {
    margin-top: var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.bento-image img {
    width: 100%;
    transition: var(--transition-base);
}

.bento-item:hover .bento-image img {
    transform: scale(1.05);
}

.bento-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tag {
    padding: 0.5rem 1rem;
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.bento-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.bento-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
}

.bento-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
}

.bento-features {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.feature-pill {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.feature-icon {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
}

.bento-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
}

.bento-icon svg {
    width: 100%;
    height: 100%;
    color: var(--color-primary);
}

/* Specific Bento Item Styling */
.bento-1 {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.bento-2 {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

.bento-3 {
    background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
}

.bento-4 {
    background: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%);
}

.bento-5, .bento-6, .bento-7 {
    background: white;
}

.bento-8 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.bento-8 .bento-title,
.bento-8 .bento-description {
    color: white;
}

/* ===========================
   Testimonials
   =========================== */

.testimonials {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: white;
}

.testimonials-container {
    max-width: 1400px;
    margin: 0 auto;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    padding: var(--spacing-xl);
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

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

.stars {
    color: #ffb800;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.author-name {
    font-weight: 600;
    color: var(--color-text);
}

.author-rating {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ===========================
   Comparison Table
   =========================== */

.comparison {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: var(--color-surface);
}

.comparison-container {
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-table {
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.comparison-header,
.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    border-bottom: 1px solid var(--color-border);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-cell {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.comparison-cell.feature-name {
    text-align: left;
    font-weight: 500;
    color: var(--color-text);
}

.comparison-header {
    background-color: var(--color-surface);
    font-weight: 600;
}

.comparison-cell.highlight {
    background-color: rgba(0, 113, 227, 0.05);
    color: var(--color-primary);
    font-weight: 600;
}

/* ===========================
   FAQ Section
   =========================== */

.faq {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: white;
}

.faq-container {
    max-width: 1000px;
    margin: 0 auto;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-lg);
}

.faq-item {
    padding: var(--spacing-lg);
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    cursor: pointer;
}

.faq-item:hover {
    background-color: #ebebed;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.faq-question {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.faq-answer {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.faq-answer p {
    margin: 0;
}

/* ===========================
   CTA Section
   =========================== */

.cta {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-md);
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.cta-features {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
    flex-wrap: wrap;
}

/* Firework Effects */
.firework {
    position: absolute;
    width: 4px;
    height: 4px;
    background: white;
    border-radius: 50%;
    opacity: 0;
    animation: firework 3s infinite ease-out;
}

.firework-1 {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.firework-2 {
    top: 40%;
    right: 15%;
    animation-delay: 1s;
}

.firework-3 {
    top: 70%;
    left: 30%;
    animation-delay: 2s;
}

@keyframes firework {
    0% {
        opacity: 0;
        transform: translate(0, 0) scale(1);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translate(var(--x, 100px), var(--y, -100px)) scale(0);
    }
}

.firework-1 {
    --x: 50px;
    --y: -80px;
}

.firework-2 {
    --x: -60px;
    --y: -90px;
}

.firework-3 {
    --x: 70px;
    --y: -70px;
}

/* ===========================
   Footer
   =========================== */

.footer {
    padding: var(--spacing-xl) var(--spacing-lg);
    background-color: var(--color-text);
    color: white;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
}

.footer-icon {
    width: 32px;
    height: 32px;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .hero-image {
        order: -1;
    }

    .bento-large,
    .bento-medium,
    .bento-square {
        grid-column: span 12;
    }

    .comparison-header,
    .comparison-row {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }

    .comparison-cell {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }

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

    .faq-item {
        padding: var(--spacing-md);
    }

    .faq-question {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .nav-links {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .hero {
        padding: var(--spacing-xl) var(--spacing-sm);
        margin-top: 120px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .bento,
    .testimonials,
    .comparison,
    .cta {
        padding: var(--spacing-xl) var(--spacing-sm);
    }

    .bento-item {
        padding: var(--spacing-md);
    }

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

    .comparison-table {
        overflow-x: auto;
    }

    .comparison-header,
    .comparison-row {
        grid-template-columns: 2fr 1fr 1fr 1fr;
        min-width: 600px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-features {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .bento-title {
        font-size: var(--font-size-lg);
    }

    .cta-title {
        font-size: 1.75rem;
    }
}