/* ============================================
   MACMASTA SCHOOL - PREMIUM REDESIGN 2025
   Completely new design from scratch
   ============================================ */

/* === CSS RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Premium Color Palette */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #60a5fa;

    --secondary: #0f172a;
    --secondary-light: #334155;

    --accent: #f59e0b;
    --accent-light: #fbbf24;

    --success: #10b981;
    --danger: #ef4444;

    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-card: #ffffff;

    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-light: #f8fafc;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Borders & Shadows */
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1rem, 2vw, 1.25rem); }

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* === CONTAINER === */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-xl);
    }
}

/* === NAVIGATION === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 9999;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
}

.navbar-brand i {
    font-size: 1.75rem;
}

.navbar-menu {
    display: none;
}

.navbar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.navbar-toggle:hover {
    background: var(--bg-secondary);
}

.navbar-toggle i {
    font-size: 1.25rem;
    color: var(--text-primary);
}

@media (min-width: 1024px) {
    .navbar-toggle {
        display: none;
    }

    .navbar-menu {
        display: flex;
        align-items: center;
        gap: var(--space-xl);
    }
}

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

.nav-link {
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary);
    background: var(--bg-tertiary);
}

/* === HERO SECTION === */
.hero {
    padding: calc(70px + var(--space-4xl)) 0 var(--space-4xl);
    background: linear-gradient(135deg, #eff6ff 0%, #fef3c7 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    z-index: -1;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    z-index: -1;
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-text {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.hero-title {
    margin-bottom: var(--space-lg);
}

.hero-title .highlight {
    color: var(--primary);
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: var(--space-xl);
    color: var(--text-secondary);
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .hero-actions {
        flex-direction: row;
    }
}

.hero-image {
    position: relative;
}

.hero-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-2xl);
    position: relative;
    z-index: 2;
}

.hero-card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.hero-card-stat {
    text-align: center;
    padding: var(--space-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.hero-card-stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.hero-card-stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    color: white;
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--bg-secondary);
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
}

/* === STATS SECTION === */
.stats {
    padding: var(--space-4xl) 0;
    background: var(--bg-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    background: var(--bg-tertiary);
}

.stat-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    background: var(--primary);
    color: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === COURSES SECTION === */
.courses {
    padding: var(--space-4xl) 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

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

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.courses-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 640px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.course-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.course-card-header {
    padding: var(--space-xl);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.course-card-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
}

.course-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--space-sm);
}

.course-card-body {
    padding: var(--space-xl);
}

.course-card-description {
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
    color: var(--text-secondary);
}

.course-card-features {
    list-style: none;
    margin-bottom: var(--space-lg);
}

.course-card-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.course-card-features i {
    color: var(--success);
    font-size: 1rem;
}

.course-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.course-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.course-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* === FEATURES SECTION === */
.features {
    padding: var(--space-4xl) 0;
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
}

.feature-card:hover {
    background: var(--bg-tertiary);
    transform: translateY(-4px);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--space-lg);
}

.feature-title {
    margin-bottom: var(--space-md);
}

.feature-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* === CTA SECTION === */
.cta {
    padding: var(--space-4xl) 0;
    background: var(--bg-dark);
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    color: white;
    margin-bottom: var(--space-lg);
}

.cta-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    margin-bottom: var(--space-xl);
}

.cta-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    justify-content: center;
}

@media (min-width: 640px) {
    .cta-actions {
        flex-direction: row;
    }
}

/* === FOOTER === */
.footer {
    background: var(--bg-secondary);
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

@media (min-width: 640px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.footer-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
}

.footer-nav-title {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
}

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

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

.footer-nav-links a {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* === SPACING === */
section {
    position: relative;
}

/* === MOBILE MENU === */
@media (max-width: 1023px) {
    .navbar-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        padding: var(--space-xl);
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        overflow-y: auto;
    }

    .navbar-menu.active {
        transform: translateX(0);
    }

    .navbar-nav {
        flex-direction: column;
        width: 100%;
    }

    .nav-link {
        width: 100%;
        padding: var(--space-md);
    }
}

/* === UTILITY === */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-lg); }
.mb-3 { margin-bottom: var(--space-xl); }
.mb-4 { margin-bottom: var(--space-2xl); }