:root {
    --primary: #0f172a;
    --primary-dark: #0b1120;
    --accent: #f97316;
    --accent-soft: #fde68a;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text: #0f172a;
    --muted: #475569;
}

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

body {
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    background: #f1f5f9;
    color: var(--text);
    line-height: 1.6;
}

a {
    color: inherit;
}

.container {
    width: min(1200px, 90%);
    margin: 0 auto;
}

header {
    background: var(--primary);
    color: #fff;
    border-bottom: 4px solid var(--accent);
    padding: 1.5rem 0;
}

.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.logo-stack h1 {
    font-size: 1.8rem;
    margin: 0.35rem 0 0;
}

.eyebrow {
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--accent-soft);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    transition: background 0.2s ease;
}

nav a:hover,
nav a:focus {
    background: rgba(255, 255, 255, 0.15);
}

section {
    margin: 3rem 0;
}

.hero {
    background: linear-gradient(135deg, #0f172a, #1d4ed8);
    color: #fff;
    padding: 4rem 0;
}

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

.hero h2 {
    font-size: clamp(2.25rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.1rem;
    color: #e2e8f0;
}

.tagline {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-soft);
    margin-bottom: 0.75rem;
    display: inline-block;
}

.btn-row {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background: var(--accent);
    color: #1f2937;
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.35);
}

.btn-secondary {
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
}

.btn:hover {
    transform: translateY(-2px);
}

.quick-list {
    list-style: none;
    margin-top: 1.5rem;
}

.quick-list li {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.65rem;
    color: #e2e8f0;
}

.quick-list strong {
    color: var(--accent-soft);
}

.card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 1.25rem;
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.06);
    border: 1px solid var(--border);
}

.hero-card {
    background: rgba(15, 23, 42, 0.55);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: none;
    color: #fff;
}

.hero-card h3 {
    margin-top: 0;
    color: #fff;
}

.hero-card p {
    color: #e2e8f0;
    margin-bottom: 0.75rem;
}

.badge {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    background: #fff7ed;
    border-radius: 999px;
    padding: 0.2rem 0.9rem;
    margin-bottom: 0.75rem;
}

.apps .section-title,
.features .section-title,
.about h2,
.policy h2,
.contact h2 {
    font-size: clamp(2rem, 3vw, 2.5rem);
    text-align: center;
    margin-bottom: 1rem;
}

.section-lead {
    text-align: center;
    color: var(--muted);
    margin-bottom: 2rem;
}

.app-grid,
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.app-card h3 {
    margin: 0.75rem 0;
}

.app-card p {
    color: var(--muted);
}

.app-card ul {
    padding-left: 1.2rem;
    color: var(--muted);
    margin: 0.5rem 0 1rem;
}

.store-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.store-links a,
.store-links span {
    padding: 0.4rem 0.85rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    color: var(--primary);
}

.store-links span {
    background: #f8fafc;
    color: var(--muted);
}

.feature-card h3 {
    margin-bottom: 0.5rem;
}

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

.about,
.policy,
.contact {
    background: var(--surface);
    padding: 3rem 0;
    border-radius: 1.5rem;
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.05);
}

.about p,
.policy p,
.policy li,
.contact p {
    color: var(--muted);
    margin-bottom: 1rem;
}

.policy ul {
    padding-left: 1.5rem;
}

.policy li {
    margin-bottom: 0.5rem;
}

.contact form {
    margin-top: 2rem;
    display: grid;
    gap: 1rem;
}

.contact label {
    font-weight: 600;
}

.contact input,
.contact textarea {
    padding: 0.85rem 1rem;
    border-radius: 0.85rem;
    border: 1px solid var(--border);
    font-size: 1rem;
    font-family: inherit;
}

.contact textarea {
    min-height: 140px;
    resize: vertical;
}

.contact input[type="submit"] {
    background: var(--primary);
    color: #fff;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.contact input[type="submit"]:hover {
    background: #1d4ed8;
}

.contact-details {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.contact-card {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.25rem;
}

.contact-card h3 {
    margin-top: 0;
}

.contact-card a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

footer {
    background: var(--primary-dark);
    color: #e2e8f0;
    padding: 2.5rem 0;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.footer-contact a,
.footer-links a {
    color: #fff;
    text-decoration: none;
    display: inline-block;
}

.footer-contact a + a,
.footer-links a + a {
    margin-top: 0.5rem;
}

.footer-links span {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--accent-soft);
}

@media (max-width: 600px) {
    nav ul {
        flex-direction: column;
        width: 100%;
    }

    nav a {
        padding-left: 0;
    }

    .hero {
        text-align: center;
    }

    .btn-row {
        justify-content: center;
    }
}

.contact input[type="submit"]:hover {
    background: #444;
}