/* ===================================================
   Cyberismo Downloads — Brand Design System
   Based on cyberismo-web: Plus Jakarta Sans, sharp
   geometry, brand-orange/dark/amber palette.
   =================================================== */

:root {
    --brand-black: #2a2a2a;
    --brand-orange: #e84e1b;
    --brand-amber: #ffb022;
    --brand-gray: #6b7280;
    --brand-light: #f5f5f5;
    --brand-white: #ffffff;
    --font-sans: 'Plus Jakarta Sans', Helvetica, Arial, sans-serif;
}

/* --- Reset & Base --- */

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

body {
    font-family: var(--font-sans);
    color: var(--brand-black);
    background: var(--brand-white);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

a {
    color: var(--brand-orange);
    text-decoration: none;
}

a:hover {
    color: var(--brand-black);
}

/* --- Layout --- */

.container {
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 64px 0;
}

/* --- Header --- */

.header {
    border-bottom: 1px solid #e5e5e5;
    background: var(--brand-white);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--brand-black);
    text-decoration: none;
}

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

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-gray);
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--brand-orange);
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.nav-link:hover {
    color: var(--brand-black);
}

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

.hero {
    padding: 96px 0 80px;
    background: var(--brand-light);
}

.hero-inner {
    max-width: 720px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--brand-gray);
    margin-bottom: 48px;
    max-width: 560px;
}

/* --- Auth Forms --- */

.auth-forms {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-gray);
    margin-bottom: 8px;
}

.token-input-row {
    display: flex;
    gap: 0;
}

.token-input-row input {
    flex: 1;
    font-family: var(--font-sans);
    font-size: 1rem;
    padding: 14px 16px;
    border: 2px solid var(--brand-black);
    border-right: none;
    outline: none;
    border-radius: 0;
    background: var(--brand-white);
    transition: border-color 0.2s;
}

.token-input-row input:focus {
    border-color: var(--brand-orange);
}

.token-input-row input::placeholder {
    color: #aaa;
}

.error-message {
    margin-top: 8px;
    font-size: 0.875rem;
    color: var(--brand-orange);
    font-weight: 600;
}

.divider {
    display: flex;
    align-items: center;
    gap: 16px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #ddd;
}

.divider span {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--brand-gray);
}

/* --- Buttons --- */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1rem;
    padding: 14px 32px;
    border: 2px solid var(--brand-black);
    background: var(--brand-black);
    color: var(--brand-amber);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
    border-radius: 0;
    white-space: nowrap;
}

.btn-primary:hover {
    background: var(--brand-orange);
    border-color: var(--brand-orange);
    color: var(--brand-white);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1rem;
    padding: 14px 32px;
    border: 2px solid var(--brand-black);
    background: transparent;
    color: var(--brand-black);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
    border-radius: 0;
    white-space: nowrap;
}

.btn-outline:hover {
    background: var(--brand-black);
    color: var(--brand-amber);
}

/* --- Downloads Page --- */

.downloads-header {
    margin-bottom: 48px;
}

.downloads-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.downloads-subtitle {
    font-size: 1rem;
    color: var(--brand-gray);
}

.courses-grid {
    display: grid;
    gap: 24px;
}

.course-card {
    background: var(--brand-white);
    border: 2px solid #e5e5e5;
    padding: 32px;
    transition: border-color 0.2s;
}

.course-card:hover {
    border-color: var(--brand-black);
}

.course-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.package-list {
    list-style: none;
}

.package-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-top: 1px solid #f0f0f0;
}

.package-item:last-child {
    border-bottom: 1px solid #f0f0f0;
}

.package-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.package-title {
    font-weight: 600;
    font-size: 0.95rem;
}

.package-meta {
    font-size: 0.8rem;
    color: var(--brand-gray);
}

.download-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--brand-orange);
    padding: 8px 12px;
    border: 1px solid var(--brand-orange);
    transition: background 0.2s, color 0.2s;
}

.download-link:hover {
    background: var(--brand-orange);
    color: var(--brand-white);
}

/* --- Package Sections (grouped by format) --- */

.pkg-sections {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.pkg-section {
    padding-top: 16px;
    border-top: 1px solid #f0f0f0;
}

.pkg-section:first-child {
    border-top: none;
    padding-top: 0;
}

.pkg-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-gray);
    margin-bottom: 10px;
}

.pkg-section-title svg {
    flex-shrink: 0;
}

.pkg-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pkg-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-sans);
    text-decoration: none;
    border: 1px solid #e5e5e5;
    transition: border-color 0.2s, background 0.2s, color 0.2s;
    border-radius: 0;
}

.pkg-btn-label {
    color: var(--brand-black);
}

.pkg-btn-action {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--brand-orange);
}

.pkg-btn-preview {
    border-color: var(--brand-orange);
    background: rgba(232, 78, 27, 0.04);
}

.pkg-btn-preview:hover {
    background: var(--brand-orange);
}

.pkg-btn-preview:hover .pkg-btn-label,
.pkg-btn-preview:hover .pkg-btn-action {
    color: var(--brand-white);
}

.pkg-btn-download:hover {
    border-color: var(--brand-black);
    background: var(--brand-black);
}

.pkg-btn-download:hover .pkg-btn-label,
.pkg-btn-download:hover .pkg-btn-action {
    color: var(--brand-amber);
}

/* --- Loading --- */

.loading-text {
    font-size: 1rem;
    color: var(--brand-gray);
}

/* --- Error --- */

.error-detail {
    color: var(--brand-gray);
    margin: 16px 0 32px;
}

/* --- Footer --- */

.footer {
    background: var(--brand-black);
    color: var(--brand-gray);
    padding: 24px 0;
    margin-top: auto;
}

.footer-inner {
    text-align: center;
    font-size: 0.85rem;
}

/* --- Responsive --- */

@media (max-width: 640px) {
    .hero h1 {
        font-size: 2.25rem;
    }

    .token-input-row {
        flex-direction: column;
        gap: 12px;
    }

    .token-input-row input {
        border-right: 2px solid var(--brand-black);
    }

    .downloads-header h1 {
        font-size: 1.75rem;
    }

    .package-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}