:root {
    --bg: #f0f7f3;
    --surface: #ffffff;
    --primary: #1fba7b;
    --primary-dark: #159263;
    --accent: #27c5a2;
    --text: #0f172a;
    --muted: #5b6b77;
    --border: #d8e5de;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --shadow-soft: 0 20px 60px rgba(15, 23, 42, 0.08);
}

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

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--bg);
    background-image: linear-gradient(rgba(245, 247, 251, 0.9), rgba(245, 247, 251, 0.9)), url('images/background.jpeg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,0.95);
    backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    gap: 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-mark {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 1px;
}

.app-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    object-fit: cover;
}

.logo-text strong {
    font-size: 1rem;
    display: block;
}

.logo-text small {
    color: var(--muted);
    font-size: 0.8rem;
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.85rem;
    color: var(--muted);
}

.lang-btn {
    border: 1px solid transparent;
    background: transparent;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 600;
    color: var(--muted);
}

.lang-btn.active {
    background: rgba(31, 186, 123, 0.12);
    border-color: rgba(31, 186, 123, 0.4);
    color: var(--primary);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem 5rem;
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.contact-page {
    max-width: 960px;
    margin: 0 auto;
    padding: 3rem 2rem 4rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-hero {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-soft);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.contact-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    padding: 1.75rem;
    box-shadow: var(--shadow-soft);
}

.contact-card address {
    margin-top: 0.5rem;
    font-style: normal;
    line-height: 1.6;
    color: var(--muted);
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    margin-top: 0.75rem;
}

.contact-email:hover {
    text-decoration: underline;
}

.contact-card ul {
    margin-left: 1.2rem;
    color: var(--muted);
    line-height: 1.5;
}

.contact-note {
    text-align: center;
    color: var(--muted);
}

.hero {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 2rem;
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-soft);
}

.hero-content .eyebrow {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.82rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.hero-content h1 {
    font-size: clamp(2.2rem, 4vw, 3rem);
    line-height: 1.1;
    margin-bottom: 1.25rem;
}

.hero-content .lead {
    color: var(--muted);
    margin-bottom: 1.75rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn {
    border-radius: 999px;
    padding: 0.8rem 1.6rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    transition: 0.2s ease;
}

.btn.primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 15px 30px rgba(31, 186, 123, 0.25);
}

.btn.primary:hover {
    background: var(--primary-dark);
}

.btn.ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}

.btn.ghost:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.hero-app-preview {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-screenshot {
    max-width: 280px;
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.preview-card {
    flex: 1 1 180px;
    background: #e0f4ec;
    padding: 1rem 1.2rem;
    border-radius: var(--radius-md);
    font-weight: 500;
}

.preview-card.secondary {
    background: #fef4da;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.stat-card {
    background: #0f172a;
    color: #fff;
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
}

.stat-card .stat {
    display: block;
    font-size: 2rem;
    font-weight: 700;
}

.section-label {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.78rem;
    color: var(--accent);
    margin-bottom: 0.6rem;
}

.features,
.how-it-works,
.cta,
.screenshots-gallery {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-soft);
}

.features h2,
.how-it-works h2,
.screenshots-gallery h2 {
    margin-bottom: 2rem;
}

.screenshots-intro {
    max-width: 720px;
    margin: 0 auto 2.5rem;
    text-align: center;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

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

.screenshot-item {
    text-align: center;
}

.screenshot-item img {
    width: 100%;
    max-width: 320px;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    margin: 0 auto 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot-item img:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}

.screenshot-item p {
    color: var(--muted);
    font-weight: 500;
    font-size: 0.95rem;
}

.feature-grid,
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.how-it-works .steps-grid {
    margin-top: 3rem;
}

.feature-card,
.step-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.02), rgba(15, 23, 42, 0.06));
}

.feature-card h3,
.step-card h3 {
    margin-bottom: 0.6rem;
}

.feature-card p,
.step-card p {
    color: var(--muted);
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    background: rgba(31,186,123,0.12);
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.cta-card {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.cta-card h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    margin-bottom: 1rem;
}

.cta-card p {
    color: var(--muted);
    margin-bottom: 1.5rem;
}

footer {
    text-align: center;
    padding: 2.5rem 1rem 3rem;
    color: var(--muted);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
}

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

@media (max-width: 960px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }

    .nav-container {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 600px) {
    main {
        padding: 2rem 1.25rem 4rem;
    }

    .hero,
    .features,
    .how-it-works,
    .cta,
    .screenshots-gallery {
        padding: 2rem;
    }

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

    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .screenshot-item img {
        max-width: 260px;
    }
}