/* PRuF Brand Colors */
:root {
    --pruf-green-1: #78AB9B;
    --pruf-green-2: #7FB29B;
    --pruf-green-3: #A3BEA7;
    --pruf-orange: #F3A082;
    --pruf-background: #FAFAF4;
    --text-dark: #2D3748;
    --text-light: #718096;
    --white: #FFFFFF;
    --border-light: #E2E8F0;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Header */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

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

.logo h1 {
    color: var(--pruf-green-1);
    font-size: 1.8rem;
    font-weight: 700;
}

.logo a {
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 2rem;
}

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

.nav a:hover {
    color: var(--pruf-green-1);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 999;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav a {
    display: block;
    padding: 1rem 20px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    border-bottom: 1px solid var(--border-light);
    transition: background-color 0.3s ease;
}

.mobile-nav a:hover {
    background-color: var(--pruf-background);
    color: var(--pruf-green-1);
}

.mobile-nav a:last-child {
    border-bottom: none;
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    text-align: center;
    background: linear-gradient(135deg, var(--pruf-background) 0%, var(--white) 100%);
}

.hero-title {
    font-size: 3.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background-color: var(--pruf-green-1);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(120, 171, 155, 0.3);
}

.cta-button:hover {
    background-color: var(--pruf-green-2);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(120, 171, 155, 0.4);
}

/* App Store Button */
.app-store-button {
    display: inline-block;
    transition: transform 0.3s ease;
}

.app-store-button:hover {
    transform: translateY(-2px);
}

.app-store-badge {
    height: 60px;
    width: auto;
    border-radius: 8px;
}

/* About Section */
.about {
    padding: 80px 0;
    background-color: var(--white);
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.pronunciation-note {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 3rem;
}

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

.about-card {
    padding: 2rem;
    background-color: var(--pruf-background);
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: transform 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
}

.about-card h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.about-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--pruf-background);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-item {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-item h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Company Section */
.company {
    padding: 80px 0;
    background-color: var(--white);
}

.company h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.company p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto 1.5rem;
    text-align: center;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background-color: var(--pruf-background);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 3rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.contact-item h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.contact-item a {
    color: var(--pruf-green-1);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--pruf-green-2);
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

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

.footer-links a:hover {
    color: var(--pruf-green-3);
}

/* Footer Social */
.footer-social{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}
.footer-social__title{font-weight:700}
.social-links{display:flex;align-items:center;gap:.75rem}
.social-links a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid rgba(255,255,255,.35);border-radius:8px;background:rgba(255,255,255,.08);transition:transform .2s ease, background .2s ease}
.social-links a:hover{transform:translateY(-2px);background:rgba(255,255,255,.15)}
.social-links svg{width:18px;height:18px;fill:#fff}

/* Privacy Policy & Terms of Use Styles */
.privacy-policy,
.terms-of-use {
    padding: 140px 0 80px;
    background-color: var(--white);
}

.privacy-content,
.terms-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.privacy-content h1,
.terms-content h1 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    text-align: center;
}

.policy-dates {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
    font-size: 1rem;
}

.privacy-content h2,
.terms-content h2 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin: 2.5rem 0 1rem 0;
    border-bottom: 2px solid var(--pruf-green-1);
    padding-bottom: 0.5rem;
}

.privacy-content h3,
.terms-content h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin: 2rem 0 1rem 0;
}

.privacy-content p,
.terms-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    text-align: justify;
}

.privacy-content ul,
.terms-content ul {
    margin: 1rem 0 1.5rem 2rem;
    color: var(--text-light);
}

.privacy-content li,
.terms-content li {
    margin-bottom: 0.5rem;
}

.privacy-content a,
.terms-content a {
    color: var(--pruf-green-1);
    text-decoration: none;
    transition: color 0.3s ease;
}

.privacy-content a:hover,
.terms-content a:hover {
    color: var(--pruf-green-2);
}

.contact-details {
    background-color: var(--pruf-background);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.contact-details p {
    margin-bottom: 0.5rem;
    text-align: left;
}

.last-updated {
    margin-top: 2rem;
    font-weight: 600;
    text-align: center;
}

.terms-footer {
    margin-top: 1rem;
    text-align: center;
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        padding: 0.8rem 15px;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .header {
        position: relative;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2.6rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        padding: 0 1rem;
    }

    .about h2,
    .features h2,
    .contact h2,
    .company h2 {
        font-size: 2rem;
    }

    .about-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .about-card,
    .feature-item {
        padding: 1.5rem;
    }

    .footer .container {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .footer-links {
        justify-content: center;
    }

    .container {
        padding: 0 15px;
    }

    .privacy-policy,
    .terms-of-use {
        padding: 100px 0 60px;
    }

    .privacy-content h1,
    .terms-content h1 {
        font-size: 2rem;
    }

    .privacy-content h2,
    .terms-content h2 {
        font-size: 1.5rem;
    }

    .privacy-content,
    .terms-content {
        padding: 0 1rem;
    }

    .privacy-content p,
    .terms-content p {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 90px 0 50px;
    }

    .hero-title {
        font-size: 2.2rem;
        line-height: 1.35;
    }

    .hero-subtitle {
        font-size: 1rem;
        padding: 0 1.5rem;
    }

    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
        margin: 0 1rem;
    }

    .app-store-badge {
        height: 50px;
        margin: 0 1rem;
    }

    .about-card,
    .feature-item {
        padding: 1.2rem;
    }

    .about h2,
    .features h2,
    .contact h2,
    .company h2 {
        font-size: 1.8rem;
    }

    .privacy-policy,
    .terms-of-use {
        padding: 90px 0 50px;
    }

    .privacy-content h1,
    .terms-content h1 {
        font-size: 1.8rem;
    }

    .privacy-content h2,
    .terms-content h2 {
        font-size: 1.3rem;
    }

    .contact-details {
        padding: 1rem;
    }
}

.about-card,
.feature-item {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.cta-button:focus,
.nav a:focus,
.footer-links a:focus {
    outline: 2px solid var(--pruf-green-1);
    outline-offset: 2px;
}

/* ===== Homepage enhancements (append-only) ===== */

/* Typography helpers */
.eyebrow {
    letter-spacing: .08em;
    text-transform: uppercase;
    font-size: .85rem;
    color: var(--text-light);
    margin-bottom: .5rem
}

/* CTA row */
.cta-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap
}

.link-ghost {
    font-weight: 600;
    text-decoration: none;
    color: var(--text-dark);
    border: 1px solid var(--border-light);
    padding: .8rem 1rem;
    border-radius: 10px;
    background: #fff
}

.link-ghost:hover {
    color: var(--pruf-green-1);
    border-color: var(--pruf-green-1)
}

/* How it works */
.how {
    padding: 80px 0;
    background-color: var(--white)
}

.how-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1rem
}

.how-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, .06)
}

.step {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    background: var(--pruf-green-1);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: .5rem
}

/* Screenshots row */
.shots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 1.25rem
}

.shot {
    width: 100%;
    height: auto;
    border-radius: 14px;
    border: 1px solid var(--border-light);
    box-shadow: 0 10px 24px rgba(0, 0, 0, .06)
}

/* FAQ */
.faq {
    padding: 80px 0;
    background-color: var(--pruf-background)
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem
}

.faq-item {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, .05)
}

.faq-item summary {
    font-weight: 700;
    cursor: pointer;
    outline: none
}

.faq-item p {
    margin-top: .75rem
}

/* CTA band */
.cta-band {
    background: linear-gradient(135deg, var(--pruf-background) 0%, var(--white) 100%);
    padding: 48px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light)
}

.cta-band__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap
}

.cta-copy h3 {
    margin: 0 0 .25rem 0
}

.cta-copy p {
    margin: 0;
    color: var(--text-light)
}

/* Sticky mobile CTA */
.sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 16px;
    margin: 0 auto;
    max-width: 320px;
    background: var(--pruf-green-1);
    color: #fff;
    text-align: center;
    padding: 14px 18px;
    border-radius: 999px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
    font-weight: 700;
    z-index: 1001
}

@media(min-width:768px) {
    .sticky-cta {
        display: none
    }
}

/* Subtle reveal animations (accessible fallback in JS) */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .5s ease, transform .5s ease
}

.reveal.in {
    opacity: 1;
    transform: none
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none
    }
}