:root {
    --green: #0a6e4a;
    --green-dark: #085a3c;
    --green-light: #e8f5ef;
    --gold: #f5b800;
    --gold-hover: #e0a800;
    --text: #1a1a2e;
    --text-muted: #5c6370;
    --bg: #ffffff;
    --bg-soft: #f7f9f8;
    --border: #e8ece9;
    --radius: 16px;
    --shadow: 0 4px 24px rgba(10, 110, 74, 0.08);
    --shadow-lg: 0 20px 60px rgba(10, 110, 74, 0.12);
    --container: 1140px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Navbar ── */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.3s;
}

.nav.scrolled { box-shadow: var(--shadow); }

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo img { height: 40px; width: auto; }

.nav-logo span {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--green);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.2s;
}

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

.nav-admin {
    font-size: 0.85rem !important;
    color: var(--text-muted) !important;
    opacity: 0.7;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    margin: 5px 0;
    border-radius: 2px;
    transition: 0.3s;
}

/* ── Buttons ── */
.btn-play {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--text);
    color: #fff;
    border-radius: 12px;
    padding: 12px 22px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.btn-play:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    color: #fff;
}

.btn-play i { font-size: 1.6rem; }

.btn-play-text small {
    display: block;
    font-size: 0.65rem;
    font-weight: 400;
    opacity: 0.75;
    line-height: 1;
}

.btn-play-text span {
    display: block;
    font-size: 0.95rem;
    line-height: 1.3;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--green);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover {
    background: var(--green-dark);
    transform: translateY(-1px);
    color: #fff;
}

/* ── Hero ── */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(160deg, var(--green-light) 0%, #fff 55%);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--green);
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.hero-badge::before {
    content: '';
    width: 8px; height: 8px;
    background: var(--gold);
    border-radius: 50%;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 20px;
}

.hero h1 em {
    font-style: normal;
    color: var(--green);
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.hero-stat strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--green);
    line-height: 1;
}

.hero-stat span {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    display: block;
}

.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.phone-mockup {
    width: 280px;
    background: var(--text);
    border-radius: 40px;
    padding: 14px;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
}

.phone-screen {
    background: #fff;
    border-radius: 28px;
    overflow: hidden;
    padding: 32px 24px;
    text-align: center;
    min-height: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.phone-app-icon {
    width: 80px; height: 80px;
    background: linear-gradient(135deg, var(--green), var(--green-dark));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: 2rem;
    margin-bottom: 8px;
}

.phone-screen h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
}

.phone-screen p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.phone-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 16px;
}

.phone-tag {
    background: var(--green-light);
    color: var(--green);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 100px;
}

.hero-blob {
    position: absolute;
    width: 360px; height: 360px;
    background: radial-gradient(circle, rgba(10,110,74,0.12) 0%, transparent 70%);
    border-radius: 50%;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

/* ── Section common ── */
.section { padding: 96px 0; }

.section-header {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 56px;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--green);
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ── Features ── */
.features { background: var(--bg-soft); }

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: box-shadow 0.25s, transform 0.25s;
}

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

.feature-icon {
    width: 52px; height: 52px;
    background: var(--green-light);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green);
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ── Steps ── */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
}

.step-card {
    text-align: center;
    padding: 40px 28px;
    position: relative;
}

.step-num {
    width: 56px; height: 56px;
    background: var(--green);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    margin: 0 auto 24px;
    box-shadow: 0 4px 16px rgba(10,110,74,0.25);
}

.step-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ── CTA ── */
.cta {
    background: var(--green);
    padding: 80px 0;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.cta-text h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.cta-text p {
    color: rgba(255,255,255,0.8);
    font-size: 1rem;
    max-width: 480px;
}

.cta .btn-play {
    background: #fff;
    color: var(--text);
    flex-shrink: 0;
}

.cta .btn-play:hover { color: var(--text); }

/* ── Footer ── */
.footer {
    background: var(--text);
    color: rgba(255,255,255,0.6);
    padding: 48px 0 32px;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand h4 {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.footer-brand p {
    font-size: 0.85rem;
    max-width: 360px;
    line-height: 1.6;
}

.footer-copy {
    text-align: center;
    font-size: 0.8rem;
    padding-top: 24px;
    color: rgba(255,255,255,0.4);
}

/* ── Responsive ── */
@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { order: -1; }
    .phone-mockup { width: 240px; }
    .phone-screen { min-height: 340px; }
    .hero-desc { max-width: 100%; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: 1fr; gap: 16px; }
    .cta-inner { flex-direction: column; text-align: center; }
    .cta-text p { max-width: 100%; }
    .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px; left: 0; right: 0;
        background: #fff;
        flex-direction: column;
        gap: 0;
        padding: 16px 24px 24px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow);
    }

    .nav-links.open { display: flex; }

    .nav-links li { width: 100%; }

    .nav-links a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
    }

    .nav-toggle { display: block; }

    .hero { padding: 110px 0 64px; }
    .hero-stats { gap: 20px; }
    .features-grid { grid-template-columns: 1fr; }
    .section { padding: 64px 0; }
    .hero-actions { justify-content: center; }
    .hero h1, .hero-desc { text-align: center; }
    .hero-stats { justify-content: center; }
}