:root {
    --bg: #f4fbf6;
    --bg-alt: #ffffff;
    --surface: #ffffff;
    --text: #142019;
    --text-muted: #5f6f66;
    --accent: #1f9d55;
    --accent-dark: #157a41;
    --accent-soft: #dff5e7;
    --border: #dce8df;
    --shadow: 0 18px 50px rgba(20, 32, 25, 0.08);
    --radius: 18px;
    --max-width: 1120px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(31, 157, 85, 0.12), transparent 28%),
        radial-gradient(circle at top right, rgba(31, 157, 85, 0.08), transparent 24%),
        var(--bg);
    line-height: 1.6;
}

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

.link-accent {
    color: var(--accent-dark);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: rgba(31, 157, 85, 0.45);
    text-underline-offset: 0.18em;
    transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.link-accent:hover {
    color: var(--accent);
    text-decoration-color: var(--accent);
}

.footer-links .link-accent {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: var(--accent-soft);
    border: 1px solid rgba(31, 157, 85, 0.22);
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(31, 157, 85, 0.12);
}

.footer-links .link-accent:hover {
    background: #d4f1df;
    border-color: rgba(31, 157, 85, 0.35);
}

.nav .nav-support-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    background: var(--accent-soft);
    border: 1px solid rgba(31, 157, 85, 0.22);
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
}

.nav .nav-support-link:hover {
    background: #d4f1df;
    border-color: rgba(31, 157, 85, 0.35);
    color: var(--accent-dark);
}

.faq-item .link-accent {
    white-space: nowrap;
}

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

.container {
    width: min(calc(100% - 2rem), var(--max-width));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
    background: rgba(244, 251, 246, 0.85);
    border-bottom: 1px solid rgba(220, 232, 223, 0.8);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.1rem;
}

.logo-mark {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--accent), #3ecf79);
    color: #fff;
    font-size: 1.2rem;
    box-shadow: 0 10px 24px rgba(31, 157, 85, 0.25);
}

.nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav a {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.nav a.button-primary {
    color: #fff;
}

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

.nav a.button-primary:hover {
    color: #fff;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.25rem;
    border-radius: 999px;
    border: 0;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 12px 24px rgba(31, 157, 85, 0.25);
}

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

.button-secondary {
    background: var(--bg-alt);
    color: var(--text);
    border: 1px solid var(--border);
}

.hero {
    padding: 4.5rem 0 3rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
    align-items: center;
}

.eyebrow {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-dark);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    line-height: 1.08;
    margin: 0 0 1rem;
    letter-spacing: -0.03em;
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 34rem;
    margin: 0 0 1.75rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-bottom: 1.5rem;
}

.hero-note {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.phone-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.phone-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.chat {
    display: grid;
    gap: 0.85rem;
}

.bubble {
    max-width: 88%;
    padding: 0.85rem 1rem;
    border-radius: 18px;
    font-size: 0.95rem;
}

.bubble-user {
    margin-left: auto;
    background: var(--accent-soft);
    border-bottom-right-radius: 6px;
}

.bubble-photo {
    padding: 0;
    background: transparent;
    border: none;
    overflow: hidden;
    border-radius: 18px;
    border-bottom-right-radius: 6px;
    box-shadow: 0 4px 14px rgba(20, 32, 25, 0.1);
    line-height: 0;
}

.bubble-user.bubble-photo {
    background: transparent;
}

.chat-photo {
    display: block;
    width: 8.5rem;
    height: 7.25rem;
    object-fit: cover;
}

.bubble-bot {
    background: #f7faf8;
    border: 1px solid var(--border);
    border-bottom-left-radius: 6px;
}

.bubble-analysis {
    max-width: 96%;
    font-size: 0.78rem;
    line-height: 1.45;
}

.bubble-analysis p {
    margin: 0 0 0.35rem;
}

.bubble-analysis p:last-child {
    margin-bottom: 0;
}

.analysis-section {
    margin-top: 0.55rem !important;
}

.analysis-remaining {
    font-weight: 700;
}

.bubble-bot strong {
    display: block;
    margin-bottom: 0.35rem;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-top: 1rem;
}

.stat {
    background: var(--bg);
    border-radius: 14px;
    padding: 0.85rem;
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
}

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

.section {
    padding: 4rem 0;
}

.section-alt {
    background: rgba(255, 255, 255, 0.65);
    border-block: 1px solid var(--border);
}

.section-header {
    max-width: 42rem;
    margin-bottom: 2rem;
}

.section-header h2 {
    margin: 0 0 0.75rem;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    letter-spacing: -0.02em;
}

.section-header p {
    margin: 0;
    color: var(--text-muted);
    font-size: 1.05rem;
}

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

.feature-card,
.step-card,
.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.35rem;
    box-shadow: 0 8px 24px rgba(20, 32, 25, 0.04);
}

.feature-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--accent-soft);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.feature-card h3,
.step-card h3,
.faq-item h3 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
}

.feature-card p,
.step-card p,
.faq-item p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.85rem;
}

.commands {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.command-pill {
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    background: var(--bg);
    border: 1px solid var(--border);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.9rem;
}

.cta {
    padding: 4rem 0 5rem;
}

.cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 2rem;
    border-radius: 24px;
    background: linear-gradient(135deg, #1f9d55, #178647);
    color: #fff;
    box-shadow: var(--shadow);
}

.cta-box h2 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.cta-box p {
    margin: 0;
    opacity: 0.92;
}

.cta-box .button-secondary {
    background: #fff;
    border-color: transparent;
    color: var(--accent-dark);
}

.site-footer {
    padding: 1.5rem 0 2rem;
    color: var(--text-muted);
    font-size: 0.92rem;
}

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

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

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

    .cta-box {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 720px) {
    .nav a:not(.button):not(.nav-support-link) {
        display: none;
    }

    .hero {
        padding-top: 2.5rem;
    }

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

    .stats-row {
        grid-template-columns: 1fr;
    }
}