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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

:root {
    --primary-color: #0063ff;
    --primary-dark: #0052cc;
    --primary-light: #3385ff;
    --primary-lighter: #66a3ff;
    --primary-lightest: #e6f2ff;
    --secondary-color: #4d9fff;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f0f7ff;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 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);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.logo-type {
    font-size: 1.25rem;
    letter-spacing: 0.03em;
}

.logo-image {
    height: 28px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0063ff 0%, #0052cc 50%, #004199 100%);
    color: white;
    padding: 6rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    filter: blur(60px);
    opacity: 0.35;
    pointer-events: none;
}

.hero::before {
    width: 280px;
    height: 280px;
    background: radial-gradient(circle at 0 0, #a5b4fc, transparent 60%);
    top: -40px;
    left: -40px;
}

.hero::after {
    width: 340px;
    height: 340px;
    background: radial-gradient(circle at 100% 100%, #7dd3fc, transparent 60%);
    bottom: -60px;
    right: -60px;
}

.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: center;
    gap: 3.5rem;
}

.hero-content {
    max-width: 640px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.375rem;
    margin-bottom: 1.25rem;
    opacity: 0.97;
    font-weight: 500;
}

.hero-description {
    font-size: 1.05rem;
    margin-bottom: 2.25rem;
    opacity: 0.92;
    line-height: 1.8;
}

.cta-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
}

.app-store-badge {
    opacity: 0.8;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.app-store-badge:hover {
    opacity: 1;
    transform: scale(1.05);
}

.app-store-image {
    height: 50px;
    width: auto;
    display: block;
    cursor: pointer;
}

.app-store-badge-link {
    display: inline-flex;
}

.hero-note {
    font-size: 0.9rem;
    opacity: 0.9;
}

.primary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 1.7rem;
    border-radius: 999px;
    background: #ffffff;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.98rem;
    border: none;
    text-decoration: none;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease,
        color 0.2s ease;
}

.primary-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 35px rgba(15, 23, 42, 0.35);
    background-color: #f9fafb;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.22);
    border: 1px solid rgba(248, 250, 252, 0.35);
    backdrop-filter: blur(14px);
    font-size: 0.82rem;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 0.95;
}

.hero-visual {
    position: relative;
    z-index: 1;
}

.hero-device {
    background: radial-gradient(circle at top, rgba(255, 255, 255, 0.16), rgba(15, 23, 42, 0.8));
    border-radius: 32px;
    padding: 1.25rem 1.1rem;
    border: 1px solid rgba(248, 250, 252, 0.18);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.65);
    max-width: 360px;
    margin-left: auto;
    transform-origin: center;
    animation: float 9s ease-in-out infinite;
}

.hero-device-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.hero-device-logo {
    width: 32px;
    height: 32px;
    border-radius: 0.9rem;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.05rem;
    color: #f9fafb;
}

.hero-device-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: #e5e7eb;
}

.hero-device-body {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 24px;
    padding: 1.25rem 1rem;
    border: 1px solid rgba(148, 163, 184, 0.5);
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.hero-device-step {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.6rem 0.9rem;
    align-items: flex-start;
}

.step-index {
    width: 26px;
    height: 26px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 30%, #e5e7eb, #9ca3af);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: #111827;
    box-shadow: 0 6px 12px rgba(15, 23, 42, 0.75);
}

.step-text h3 {
    font-size: 0.95rem;
    color: #f9fafb;
    margin-bottom: 0.15rem;
}

.step-text p {
    font-size: 0.85rem;
    color: #cbd5f5;
    line-height: 1.6;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0) rotate(-2deg);
    }
    50% {
        transform: translateY(-10px) rotate(2deg);
    }
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: linear-gradient(to bottom, #f8fbff 0%, var(--bg-light) 100%);
}

.section-eyebrow {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 50%, var(--primary-dark) 100%);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 99, 255, 0.3), 0 4px 8px rgba(0, 99, 255, 0.2);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: white;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(0, 99, 255, 0.4), 0 6px 12px rgba(0, 99, 255, 0.3);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 50%, #004199 100%);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 0;
    background-color: var(--bg-white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.step-card {
    background-color: #ffffff;
    border-radius: 16px;
    padding: 2rem 1.8rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(15, 23, 42, 0.05);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.4);
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 30% 30%, #eff6ff, var(--primary-light));
    color: var(--primary-dark);
    font-weight: 700;
    margin-bottom: 1rem;
}

.step-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.step-card p {
    color: var(--text-light);
    font-size: 0.98rem;
}

.info-content {
    max-width: 800px;
    margin: 0 auto;
}

.info-text {
    font-size: 1.02rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

.info-text.highlight {
    background: linear-gradient(to right, var(--primary-lightest) 0%, #f0f7ff 100%);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    color: var(--text-dark);
}

/* Reveal on scroll */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Privacy Policy Section */
.privacy-section {
    padding: 3rem 0 5rem;
    background-color: var(--bg-white);
}

.privacy-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.privacy-updated {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-style: italic;
}

.privacy-content {
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

.privacy-content > p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.privacy-content h2 {
    font-size: 2rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.privacy-content h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.privacy-content ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.privacy-content li {
    margin-bottom: 0.75rem;
}

.privacy-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.privacy-content a:hover {
    text-decoration: underline;
}

.privacy-content strong {
    color: var(--text-dark);
}

/* Footer */
footer {
    background-color: var(--text-dark);
    color: white;
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: #e5e7eb;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 900px) {
    .hero-layout {
        grid-template-columns: 1.1fr 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 4.5rem 0 3.5rem;
    }

    .hero-layout {
        grid-template-columns: 1fr;
    }

    .hero-content {
        text-align: left;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

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

    .section-title {
        font-size: 2rem;
    }

    .privacy-title {
        font-size: 2rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-device {
        margin: 2rem auto 0;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 3.5rem 0 3rem;
    }

    .hero-title {
        font-size: 2.1rem;
    }

    .container {
        padding: 0 15px;
    }

    .feature-card {
        padding: 2rem;
    }
}