/* Arrivals Marketing Site — Arrivals Board Dark Theme
   Built on Bootstrap 5.3 dark mode with Arrivals Board-inspired overrides */

/* === Color Palette === */
:root[data-bs-theme="dark"] {
    --bs-body-bg: #0a0a0a;
    --bs-body-color: #e8e0d0;
    --bs-emphasis-color: #f5f0e8;
    --bs-secondary-color: #a09888;
    --bs-tertiary-bg: #141414;
    --bs-border-color: #3a3530;
    --arrivals-amber: #d4a017;
    --arrivals-amber-glow: #ffb300;
    --arrivals-blue: #4fc3f7;
    --arrivals-board-bg: #111111;
    --arrivals-flap-bg: #1a1a1a;
}

/* === Typography === */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: "SF Mono", SFMono-Regular, ui-monospace, "Cascadia Code", "Fira Code", Menlo, Monaco, Consolas, monospace;
    color: var(--bs-emphasis-color);
    letter-spacing: 0.02em;
}

/* === Navigation === */
.navbar {
    background-color: transparent;
    padding: 1rem 0;
}

.navbar-brand {
    font-family: "SF Mono", SFMono-Regular, ui-monospace, monospace;
    font-size: 1.15rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--arrivals-amber) !important;
}

.nav-link {
    color: var(--bs-secondary-color) !important;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--arrivals-amber) !important;
}

/* === Hero Section === */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 1rem;
}

.hero-icon {
    width: 128px;
    height: 128px;
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(212, 160, 23, 0.15);
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--arrivals-amber);
    margin-bottom: 0.5rem;
}

.hero .tagline {
    font-size: 1.25rem;
    color: var(--bs-secondary-color);
    max-width: 480px;
    margin: 0 auto 2.5rem;
    font-weight: 300;
    line-height: 1.6;
}

/* === Email Signup === */
.signup-section {
    max-width: 500px;
    margin: 0 auto;
}

.signup-section .form-control {
    background-color: var(--arrivals-flap-bg);
    border: 1px solid var(--bs-border-color);
    color: var(--bs-body-color);
    padding: 0.75rem 1rem;
    font-size: 1rem;
}

.signup-section .form-control:focus {
    border-color: var(--arrivals-amber);
    box-shadow: 0 0 0 0.2rem rgba(212, 160, 23, 0.25);
}

.signup-section .form-control::placeholder {
    color: var(--bs-secondary-color);
}

.btn-arrivals {
    background-color: var(--arrivals-amber);
    border-color: var(--arrivals-amber);
    color: #0a0a0a;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    transition: all 0.2s;
}

.btn-arrivals:hover {
    background-color: var(--arrivals-amber-glow);
    border-color: var(--arrivals-amber-glow);
    color: #0a0a0a;
    box-shadow: 0 4px 16px rgba(255, 179, 0, 0.3);
}

.signup-label {
    color: var(--bs-secondary-color);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

/* === Feature Cards === */
.feature-card {
    background-color: var(--arrivals-flap-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
    transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
    border-color: var(--arrivals-amber);
    transform: translateY(-2px);
}

.feature-card .feature-icon {
    font-size: 2rem;
    color: var(--arrivals-amber);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--bs-secondary-color);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* === Source Badges === */
.source-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--arrivals-flap-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 8px;
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    color: var(--bs-body-color);
    transition: border-color 0.2s;
}

.source-badge:hover {
    border-color: var(--arrivals-amber);
}

.source-badge i {
    color: var(--arrivals-amber);
}

/* === Screenshots === */
.screenshot-img {
    border-radius: 12px;
    border: 1px solid var(--bs-border-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    max-width: 100%;
    height: auto;
}

.screenshot-img.hero-screenshot {
    max-width: 720px;
    margin: 2rem auto;
    display: block;
}

/* === Use Case Cards === */
.use-case-card {
    background-color: var(--arrivals-flap-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 12px;
    padding: 1.5rem;
    height: 100%;
}

.use-case-card h4 {
    font-size: 1rem;
    color: var(--arrivals-amber);
    margin-bottom: 0.5rem;
}

.use-case-card p {
    color: var(--bs-secondary-color);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* === Section Spacing === */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--arrivals-amber);
    margin-bottom: 0.75rem;
}

.section-title p {
    color: var(--bs-secondary-color);
    max-width: 600px;
    margin: 0 auto;
}

/* === Divider === */
.board-divider {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--bs-border-color), transparent);
    margin: 0;
}

/* === Footer === */
footer {
    border-color: var(--bs-border-color) !important;
}

footer a:hover {
    color: var(--arrivals-amber) !important;
}

/* === Responsive === */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
        letter-spacing: 0.1em;
    }

    .hero .tagline {
        font-size: 1.1rem;
    }

    .hero-icon {
        width: 96px;
        height: 96px;
        border-radius: 18px;
    }

    .section {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
}