/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #fafaf9;
    --color-surface: #ffffff;
    --color-text: #1c1917;
    --color-text-muted: #57534e;
    --color-accent: #16a34a;
    --color-accent-hover: #15803d;
    --color-accent-light: #f0fdf4;
    --color-border: #e7e5e4;
    --max-width: 1000px;
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* Sections */
.section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3.5rem 1.5rem;
}

.section + .section {
    border-top: 1px solid var(--color-border);
}

.section h2 {
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    color: var(--color-text);
}

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

/* Problem / Solution boxes */
.highlight-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 1.5rem;
}

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

.highlight-box p + p {
    margin-top: 0.8rem;
}

.problem-box {
    border-left: 3px solid #ef4444;
}

.problem-box .problem-lead {
    font-weight: 600;
    color: var(--color-text);
}

.solution-box {
    border-left: 3px solid var(--color-accent);
}

.solution-box p {
    color: var(--color-text);
}

/* Two-column (unused but kept) */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}

.two-col h2 {
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
}

/* Hero */
.hero {
    text-align: center;
    padding: 5rem 1.5rem 4rem;
    background:
        radial-gradient(ellipse 600px 400px at 50% 40%, rgba(22, 163, 74, 0.12) 0%, transparent 70%),
        radial-gradient(ellipse 300px 200px at 20% 80%, rgba(22, 163, 74, 0.06) 0%, transparent 70%),
        radial-gradient(ellipse 300px 200px at 80% 20%, rgba(22, 163, 74, 0.06) 0%, transparent 70%),
        linear-gradient(180deg, #ecfdf5 0%, var(--color-bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero > * {
    position: relative;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(22, 163, 74, 0.15) 1px, transparent 1px);
    background-size: 22px 22px;
    mask-image: radial-gradient(ellipse 50% 60% at 50% 40%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 50% 60% at 50% 40%, black 20%, transparent 70%);
    pointer-events: none;
}

.hero h1 {
    font-family: "DM Serif Display", Georgia, serif;
    font-size: 3.8rem;
    font-weight: 400;
    letter-spacing: -0.01em;
    margin-bottom: 0.3rem;
    color: #2d2d2d;
}

.hero .tagline {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, var(--color-accent) 30%, rgba(22, 163, 74, 0.1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .subtitle {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.hero-badges {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.badge {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

.hero-social-proof {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    letter-spacing: 0.01em;
}

/* Screenshot */
.screenshot-section {
    text-align: center;
    margin-top: 2rem;
}

.screenshot {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--color-border);
    display: block;
}

.screenshot-caption {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* Buttons */
.ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
}

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

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(22, 163, 74, 0.25);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.35);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Two-column Problem/Solution */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}

.two-col h2 {
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
}

/* Video */
.video-section h2 {
    text-align: center;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 */
    border-radius: 10px;
    overflow: hidden;
    background: #000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Prompts */
.prompts {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.prompt {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    border-radius: 6px;
    padding: 0.85rem 1rem 0.85rem 1rem;
    font-size: 1rem;
    color: var(--color-text);
    font-style: italic;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.prompt-arrow {
    color: var(--color-accent);
    font-style: normal;
    font-size: 1.3rem;
    font-weight: 700;
    flex-shrink: 0;
}

.prompt-note {
    font-style: normal;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* Section closer */
.section-closer {
    margin-top: 1.5rem;
    font-size: 1.05rem;
    font-style: italic;
    color: var(--color-text-muted);
}

/* Who it's for */
.who .who-box {
    background: var(--color-accent-light);
    border: 1px solid #dcfce7;
    border-radius: 10px;
    padding: 1.8rem 2rem;
    text-align: center;
}

.who .who-box p {
    font-size: 1.1rem;
    color: var(--color-text);
    line-height: 1.7;
}

/* Domains */
.domain-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 0.4rem 1rem;
    font-size: 0.9rem;
    color: var(--color-text);
}

.tag:last-child {
    background: var(--color-accent-light);
    border-color: #dcfce7;
    color: var(--color-accent);
    font-style: italic;
}

.domain-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 1.3rem 1.5rem;
}

.domain-box .domain-connections {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.6rem;
}

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

/* Cards (How it works) */
.cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 1.3rem 1.5rem;
}

.card-number {
    width: 2.2rem;
    height: 2.2rem;
    min-width: 2.2rem;
    background: var(--color-accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
}

.card-text strong {
    display: block;
    font-size: 1.05rem;
    margin-bottom: 0.2rem;
    color: var(--color-text);
}

.card-text p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Trust Grid */
.trust-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.trust-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
}

.trust-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1.2;
}

.trust-label {
    font-size: 0.95rem;
    color: var(--color-text);
    margin-top: 0.3rem;
    line-height: 1.4;
}

.trust-label span {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* About */
.about .about-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 1.8rem 2rem;
}

.about .about-box p {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.about .about-box p + p {
    margin-top: 1rem;
}

.about .about-closer {
    font-weight: 600;
    color: var(--color-text);
}

/* Footer */
.footer {
    text-align: center;
    padding-bottom: 3rem;
}

.footer-headline {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.footer-note {
    margin-top: 2.5rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 600px) {
    .hero h1 {
        font-size: 2rem;
    }

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

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

    .section {
        padding: 2.5rem 1rem;
    }

    .two-col {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .trust-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.8rem;
    }

    .trust-item {
        padding: 1rem;
    }

    .trust-number {
        font-size: 1.4rem;
    }
}