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

body {
    font-family: Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #000;
    background: #f0f0f0;
    -webkit-font-smoothing: antialiased;
}

.wrap {
    padding: 20px;
}

.page {
    max-width: 720px;
    margin: 40px auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

a { color: inherit; }

/* ---- Header ---- */

header {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

header .wrap {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: 4.5rem;
    padding-top: 0;
    padding-bottom: 0;
}

header .bmc-btn {
    justify-self: end;
}

.wordmark {
    font-weight: 800;
    font-size: 1.3rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    letter-spacing: -0.02em;
}

.wordmark img { display: block; }

.logo-img {
    display: block;
    height: 36px;
    width: auto;
}

nav { display: flex; gap: 2rem; justify-content: center; }

nav a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: #000;
    opacity: 0.5;
    transition: opacity 0.15s;
}

nav a:hover { opacity: 1; }

.bmc-btn {
    opacity: 1;
    background: #ffdd00;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
}

.bmc-btn:hover { background: #ffcc00; }

.bmc-btn img { display: block; height: 24px; width: auto; }

/* ---- Hero ---- */

.hero {
    text-align: center;
}

.hero h1 {
    font-size: 2.2rem;
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.hero h1 strong {
    font-weight: 900;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.45;
    margin-bottom: 1.5rem;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    background: #f5f5f5;
    border-top: 1px solid #e0e0e0;
    margin: 0 -20px -20px;
    padding: 16px 20px;
    border-radius: 0 0 12px 12px;
}

.hero-actions .btn {
    flex: 1;
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 0.6rem 2.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    text-decoration: none;
    border: 1.5px solid #000;
    background: #000;
    color: #fff;
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
}

.btn:hover {
    background: #fff;
    color: #000;
}

.btn.ghost {
    background: #fff;
    color: #000;
}

.btn.ghost:hover {
    background: #000;
    color: #fff;
}

/* ---- Device frame ---- */

.device {
    position: relative;
}

.device .frame {
    display: block;
    width: 100%;
}

.device .shot {
    position: absolute;
    top: 1.5%;
    left: 4%;
    width: 92%;
    height: 97%;
    object-fit: contain;
    object-position: center;
    border-radius: 13%;
}

/* ---- Hero screenshots ---- */

.hero-mockups .wrap {
    padding-top: 40px;
    padding-bottom: 40px;
}

.hero-screenshots {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 1rem;
}

.hero-screenshots .device {
    flex: 0 0 30%;
}

/* ---- Sections ---- */

section {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

section:hover {
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.permissions p {
    font-size: 0.875rem;
    opacity: 0.6;
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

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

h2 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 2rem;
    text-align: center;
}

h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

/* ---- Feature cards ---- */

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    border: 1.5px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    background: #e0e0e0;
}

.card {
    padding: 1.5rem;
    background: #fff;
}

.card p {
    font-size: 0.875rem;
    opacity: 0.5;
    line-height: 1.5;
}

/* ---- Screenshots ---- */

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.screenshot-card {
    background: #fff;
    border-radius: 12px;
    padding: 12px 12px 10px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.screenshot-card:hover {
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.screenshot-card img {
    width: 100%;
    display: block;
    border-radius: 6px;
}

.screenshot-card span {
    display: block;
    margin-top: 8px;
    font-size: 0.7rem;
    font-weight: 600;
    opacity: 0.4;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ---- FAQ ---- */

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: #e0e0e0;
    border: 1.5px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
}

details {
    background: #fff;
}

summary {
    padding: 0.9rem 1.25rem;
    font-weight: 700;
    font-size: 0.875rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

summary::-webkit-details-marker { display: none; }

summary::after {
    content: '+';
    font-size: 1.1rem;
    font-weight: 400;
    opacity: 0.35;
}

details[open] summary::after {
    content: '\2212';
}

details p {
    padding: 0 1.25rem 0.9rem;
    opacity: 0.5;
    font-size: 0.85rem;
    line-height: 1.5;
}

/* ---- Footer ---- */

footer {
    background: #fff;
    color: #000;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.footer-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
}

.footer-row .bmc-btn {
    justify-self: end;
}

footer nav a {
    color: #000;
    opacity: 0.4;
    font-size: 0.8rem;
}

footer nav a:hover { opacity: 1; }

/* ---- Responsive ---- */

@media (max-width: 48rem) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .screenshot-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-screenshots { gap: 0.75rem; }
}

@media (max-width: 36rem) {
    .page { margin: 10px; }
    .wrap { padding: 16px; }
    .hero h1 { font-size: 1.5rem; }
    .subtitle { font-size: 0.95rem; }
    .hero-actions {
        margin: 0 -16px -16px;
        padding: 12px 16px;
    }
    .features-grid { grid-template-columns: 1fr; }
    .screenshot-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-screenshots { gap: 0.5rem; }
    .hero-screenshots .device { flex: 0 0 32%; }
    nav { gap: 1rem; }
    header .wrap {
        grid-template-columns: auto auto;
        gap: 0.5rem;
    }
    header nav { display: none; }
    header .bmc-btn { justify-self: end; }
    .footer-row {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }
    .footer-row nav {
        grid-column: 1 / -1;
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
    }
    .footer-row .bmc-btn { justify-self: end; }
}