/* AI, MAX Academy - Brutalist Style */
/* Inspired by AiMaxAcademy project */

/* ===== FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Inter:wght@400;500;600;700&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors - AI,MAX Academy Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-card: #ffffff;
    --bg-card-header: #e8e8e8;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --border-color: #1a1a1a;

    /* Brand Colors */
    --aimax-orange: #FF7A20;
    --aimax-yellow: #F9C424;
    --aimax-green: #4CAF50;
    --aimax-blue: #1E90FF;

    /* Design Tokens */
    --border-width: 2px;
    --shadow-sm: 2px 2px 0 #1a1a1a;
    --shadow-md: 3px 3px 0 #1a1a1a;
    --shadow-lg: 4px 4px 0 #1a1a1a;
    --radius: 16px;
    --radius-sm: 8px;

    /* Typography */
    --font-heading: 'Space Mono', monospace;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    font-size: 1rem;
    color: var(--text-secondary);
}

a {
    color: inherit;
    text-decoration: none;
}

/* ===== LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

section {
    padding: var(--space-2xl) 0;
}

/* ===== HEADER ===== */
.header {
    background: var(--aimax-yellow);
    border-bottom: var(--border-width) solid var(--border-color);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
}

.brand-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    text-transform: uppercase;
    color: var(--text-primary);
}

.logo {
    height: 48px;
    /* No filter needed - logo already dark on yellow background */
    filter: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-md);
    align-items: center;
}

.nav-links a {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-sm);
    border: 2px solid transparent;
    border-radius: var(--radius);
    transition: all 0.2s ease;
}

.nav-links a:hover {
    border-color: var(--border-color);
    background: var(--bg-secondary);
}

.nav-cta {
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
    box-shadow: var(--shadow-sm);
}

.nav-cta:hover {
    transform: translate(2px, 2px);
    box-shadow: none !important;
    background: var(--bg-secondary) !important;
}

.menu-toggle {
    display: none;
    background: none;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1.5rem;
    padding: var(--space-xs);
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: var(--space-2xl) 0;
    text-align: center;
    background: var(--aimax-yellow);
    border-bottom: var(--border-width) solid var(--border-color);
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    padding: var(--space-xs) var(--space-md);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: var(--space-md);
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
}

.hero h1 {
    margin-bottom: var(--space-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto var(--space-lg);
    color: var(--text-secondary);
}

.hero-tagline {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto var(--space-lg);
    color: var(--text-secondary);
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: var(--space-sm) var(--space-md);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.btn-primary {
    background: var(--aimax-orange);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translate(4px, 4px);
    box-shadow: none;
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translate(4px, 4px);
    box-shadow: none;
    background: var(--bg-secondary);
}

.btn-large {
    font-size: 1rem;
    padding: var(--space-md) var(--space-lg);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===== CARDS ===== */
.brutal-card {
    background: var(--bg-card);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.2s ease;
}

.brutal-card:hover {
    transform: translate(4px, 4px);
    box-shadow: none;
}

/* ===== COURSES SECTION ===== */
.courses-section {
    padding: var(--space-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-label {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: inline-block;
    background: var(--aimax-orange);
    color: var(--foreground);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    margin-bottom: var(--space-sm);
}

/* On yellow/orange backgrounds, switch to white pill with dark text (brutalist) */
section[style*="aimax-yellow"] .section-label,
section[style*="aimax-orange"] .section-label,
.section--dark-label .section-label {
    background: #ffffff;
    color: var(--foreground);
}

/* Keep .section-label--pill as alias for explicit usage */
.section-label--pill {
    background: var(--aimax-orange);
    color: var(--foreground);
}

.section-title {
    margin-bottom: var(--space-sm);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.course-card {
    background: var(--bg-card);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 #1a1a1a;
}

.course-card-header {
    background: var(--bg-card-header);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
}

.course-card-body {
    padding: var(--space-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.course-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    padding: 4px 8px;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    background: var(--bg-secondary);
}

.course-card h3 {
    margin-bottom: var(--space-sm);
}

.course-card p {
    flex-grow: 1;
    margin-bottom: var(--space-md);
}

.course-meta {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.course-price {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.course-price .free {
    color: var(--aimax-green);
}

.course-icon {
    font-size: 3rem;
    line-height: 1;
}

.course-title {
    margin-bottom: var(--space-sm);
}

.course-tagline {
    flex-grow: 1;
    margin-bottom: var(--space-md);
    font-size: 0.95rem;
}

.course-link {
    display: block;
    width: 100%;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-md);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    transition: all 0.2s ease;
    margin-top: auto;
}

.course-link:hover {
    background: var(--bg-secondary);
    transform: translate(2px, 2px);
}

.course-link span {
    display: none;
}

.section-subtitle {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== AUTHOR SECTION ===== */
.author-section {
    background: var(--bg-secondary);
    border-top: var(--border-width) solid var(--border-color);
    border-bottom: var(--border-width) solid var(--border-color);
}

.author-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.author-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: var(--border-width) solid var(--border-color);
    object-fit: cover;
}

.author-info h3 {
    margin-bottom: var(--space-xs);
}

.author-info p {
    margin-bottom: var(--space-sm);
}

.author-credentials {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.credential {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--bg-primary);
}

/* ===== ABOUT SECTION ===== */
.about-section {
    background: var(--bg-secondary);
    border-top: var(--border-width) solid var(--border-color);
    border-bottom: var(--border-width) solid var(--border-color);
}

.about-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.about-image img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: var(--border-width) solid var(--border-color);
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

.about-content h2 {
    margin-bottom: var(--space-sm);
}

.about-content p {
    margin-bottom: var(--space-md);
}

.about-stats {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.stat {
    text-align: center;
    padding: var(--space-md);
    background: var(--bg-primary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--aimax-orange);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== HOW IT WORKS SECTION ===== */
.how-section {
    padding: var(--space-2xl) 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.step {
    background: var(--bg-card);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.2s ease;
}

.step:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 #1a1a1a;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--aimax-orange);
    color: white;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: var(--space-md);
}

.step h3 {
    margin-bottom: var(--space-sm);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--aimax-yellow);
    color: var(--text-primary);
    padding: var(--space-lg) 0;
    border-top: var(--border-width) solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 2px solid var(--border-color);
}

.footer-brand .logo {
    height: 32px;
    margin-bottom: var(--space-sm);
    filter: none;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer h4 {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer a {
    color: var(--text-primary);
    font-weight: 600;
}

.footer-tagline {
    font-family: var(--font-heading);
    font-size: 0.875rem;
}

/* ===== BETA BADGE ===== */
.beta-badge {
    background: #004BFF;
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 2px solid var(--border-color);
}

/* ===== LANGUAGE SWITCHER (dropdown) ===== */
.lang-switcher {
    position: relative;
    display: inline-block;
}
.lang-switcher__trigger {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.6rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1;
}
.lang-switcher__trigger:hover {
    background: var(--foreground);
    color: var(--background);
}
.lang-switcher__icon {
    width: 16px;
    height: 16px;
    display: inline-block;
    flex-shrink: 0;
}
.lang-switcher__flag {
    font-size: 1rem;
    line-height: 1;
}
.lang-switcher__menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 180px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.35rem 0;
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    list-style: none;
    margin: 0;
    z-index: 1000;
    display: none;
}
.lang-switcher.is-open .lang-switcher__menu {
    display: block;
}
.lang-switcher__item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 0.9rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s ease;
}
.lang-switcher__item:hover {
    background: var(--bg-secondary, rgba(0,0,0,0.05));
}
.lang-switcher__item.is-active {
    font-weight: 700;
}
.lang-switcher__item .lang-switcher__flag {
    font-size: 1.1rem;
}

/* ===== STATS ROW ===== */
.stats-row {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
    margin: 2rem 0;
}
.stats-row .stat {
    text-align: center;
}
.stats-row .stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
}
.stats-row .stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ===== MANIFESTO ===== */
.manifesto {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem 0;
}
.manifesto blockquote {
    font-size: 1.3rem;
    line-height: 1.8;
    font-style: italic;
    margin: 0;
    color: var(--text-primary);
}
.manifesto .author {
    margin-top: 1.5rem;
    font-weight: 700;
}

/* ===== COMPARISON TABLE ===== */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 1rem;
}
.comparison-table th,
.comparison-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
.comparison-table th {
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.comparison-table td:first-child {
    font-weight: 600;
    width: 30%;
}
.comparison-table tr:last-child td {
    border-bottom: none;
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.testimonial-card {
    background: var(--background);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
}
.testimonial-card .stars {
    color: #F9C927;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}
.testimonial-card blockquote {
    font-size: 1rem;
    line-height: 1.6;
    margin: 0 0 1rem 0;
    font-style: italic;
}
.testimonial-card .author {
    font-weight: 700;
    font-size: 0.9rem;
}

/* ===== LOGO BAR ===== */
.logo-bar {
    padding: 3rem 0;
    background: var(--foreground);
}
.logo-bar .section-label {
    color: var(--background);
    opacity: 0.6;
    display: block;
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.logo-bar img {
    max-width: 100%;
    height: auto;
    opacity: 0.7;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--space-md);
        border-bottom: var(--border-width) solid var(--border-color);
        gap: var(--space-sm);
    }

    .nav-links.open {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .author-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .author-avatar {
        margin: 0 auto;
    }

    .author-credentials {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image img {
        margin: 0 auto;
    }

    .about-stats {
        justify-content: center;
        flex-wrap: wrap;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .stats-row {
        gap: 2rem;
    }
    .stats-row .stat-value {
        font-size: 2rem;
    }

    .comparison-table {
        font-size: 0.9rem;
    }
    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem;
    }
}