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

:root {
    --color-text: #1d1d1f;
    --color-text-secondary: #86868b;
    --color-background: #fff;
    --color-background-alt: #f5f5f7;
    --color-accent: #0071e3;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 100px 24px 80px;
    text-align: center;
    background: linear-gradient(180deg, #fbfbfd 0%, #f5f5f7 100%);
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: clamp(48px, 10vw, 96px);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-bottom: 20px;
}

.hero-tagline {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.hero-subtitle {
    font-size: clamp(17px, 2.5vw, 21px);
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    max-width: 500px;
}

.hero-cta {
    margin-bottom: 60px;
}

.hero-cta a {
    display: inline-block;
    transition: transform 0.3s ease;
}

.hero-cta a:hover {
    transform: scale(1.05);
}

.hero-cta img {
    height: 54px;
    width: auto;
}

.hero-trust {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 0, 0, 0.05);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
}

.trust-badge svg {
    width: 16px;
    height: 16px;
    color: var(--color-text-secondary);
}

.hero-devices {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 24px;
}

.hero-device {
    position: relative;
}

.hero-device img {
    height: auto;
    border-radius: 16px;
    transition: transform 0.4s ease;
}

.hero-device:hover img {
    transform: translateY(-4px);
}

.hero-device.center img {
    width: 240px;
}

.hero-device.side img {
    width: 200px;
    opacity: 0.85;
}

/* ===== Feature Sections ===== */
.feature-section {
    padding: 100px 24px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.feature-section:nth-child(odd) {
    background-color: var(--color-background);
    --section-bg: var(--color-background);
}

.feature-section:nth-child(even) {
    background-color: var(--color-background-alt);
    --section-bg: var(--color-background-alt);
}


/* Feature Inner Layout */
.feature-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 80px;
    max-width: 1200px;
    margin: 0 auto;
}

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

.feature-content {
    flex: 1;
    max-width: 520px;
}

.feature-visual {
    flex: 0 0 auto;
    position: relative;
}

.feature-visual::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to bottom, transparent 0%, var(--section-bg, #fff) 100%);
    pointer-events: none;
}

.feature-visual img {
    width: 260px;
    height: auto;
    border-radius: 16px;
    transition: transform 0.5s ease;
}

.feature-section:hover .feature-visual img {
    transform: translateY(-4px);
}


/* Feature Icon */
.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    fill: #fff;
}

.feature-icon.blue {
    background: linear-gradient(135deg, #00c6fb 0%, #005bea 100%);
}

.feature-icon.green {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.feature-icon.orange {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

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

.feature-icon.teal {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.feature-icon.pink {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.feature-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    line-height: 1.2;
}

.feature-description {
    font-size: 17px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ===== Highlights Grid ===== */
.highlights {
    padding: 120px 24px;
    background: var(--color-background);
}

.highlights-header {
    text-align: center;
    margin-bottom: 80px;
}

.highlights-header h2 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.highlights-grid.two-columns {
    grid-template-columns: repeat(2, 1fr);
    max-width: 800px;
}

.highlight-card {
    background: var(--color-background-alt);
    border-radius: 24px;
    padding: 48px 32px;
    text-align: center;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.highlight-card.animate-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.highlight-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.highlight-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.highlight-icon svg {
    width: 48px;
    height: 48px;
}

.highlight-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.highlight-card p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 80px 24px;
    text-align: center;
    background: var(--color-background-alt);
}

.cta-icon {
    width: 80px;
    height: 80px;
    border-radius: 18px;
    margin-bottom: 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.cta-section h2 {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
}

.cta-section p {
    font-size: 17px;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta-section .hero-cta {
    margin-bottom: 0;
}

/* ===== Footer ===== */
footer {
    background-color: var(--color-background-alt);
    padding: 48px 24px;
    text-align: center;
    border-top: 1px solid #d2d2d7;
}

footer p {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: 16px;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.footer-links a {
    font-size: 12px;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    padding: 4px 8px;
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-links span {
    color: #d2d2d7;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .feature-inner {
        flex-direction: column !important;
        text-align: center;
        gap: 48px;
    }

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

    .feature-icon {
        margin-left: auto;
        margin-right: auto;
    }

    .feature-visual img {
        width: 220px;
    }

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

@media (max-width: 768px) {
    .hero {
        padding: 80px 20px 60px;
        min-height: auto;
    }

    .hero-trust {
        gap: 6px;
    }

    .trust-badge {
        padding: 6px 12px;
        font-size: 12px;
    }

    .trust-badge svg {
        width: 14px;
        height: 14px;
    }

    .hero-devices {
        gap: 12px;
    }

    .hero-device.center img {
        width: 180px;
    }

    .hero-device.side img {
        width: 150px;
    }

    .hero-device img {
        border-radius: 12px;
    }

    .feature-section {
        padding: 80px 20px;
    }

    .feature-visual img {
        width: 200px;
        border-radius: 12px;
    }

    .highlights {
        padding: 80px 20px;
    }

    .highlights-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .highlight-card {
        padding: 32px 24px;
    }

    .cta-section {
        padding: 80px 20px;
    }
}

@media (max-width: 480px) {
    .hero-devices {
        gap: 8px;
    }

    .hero-device.center img {
        width: 140px;
    }

    .hero-device.side img {
        width: 110px;
    }

    .hero-device img {
        border-radius: 12px;
    }

    .feature-visual img {
        width: 180px;
        border-radius: 12px;
    }
}