/* ==========================================
   MADRASA GO - PREMIUM STYLESHEET
   Design: Ivy League Meets Modern EdTech
   ========================================== */

/* CSS Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --navy-blue: #0A2540;
    --oxford-blue: #1B3B6F;
    --cream: #FAF8F3;
    --off-white: #F5F3EE;
    --gold: #C5974D;
    --bronze: #B8860B;
    --text-primary: #1A1A1A;
    --text-secondary: #4A4A4A;
    --border-color: #E0DDD6;

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

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--navy-blue);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
    background-color: var(--cream);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(250, 248, 243, 0.95);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy-blue);
    letter-spacing: -0.5px;
}

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

.nav-menu a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
}

.nav-menu a:hover {
    color: var(--navy-blue);
}

.btn-apply {
    background-color: var(--gold);
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-apply:hover {
    background-color: var(--bronze);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(197, 151, 77, 0.3);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--navy-blue);
    transition: var(--transition);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--cream) 0%, var(--off-white) 100%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(10, 37, 64, 0.02) 35px, rgba(10, 37, 64, 0.02) 70px);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
    color: var(--navy-blue);
    font-weight: 700;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-primary {
    display: inline-block;
    background-color: var(--navy-blue);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(10, 37, 64, 0.2);
}

.btn-primary:hover {
    background-color: var(--oxford-blue);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(10, 37, 64, 0.3);
}

/* Countdown Timer */
.countdown-timer {
    background-color: white;
    padding: 1.5rem 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
}

.timer-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.timer-display {
    display: flex;
    gap: 1.5rem;
}

.timer-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.time-value {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--navy-blue);
}

.time-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
}

/* ==========================================
   VALUE PROPOSITION SECTION
   ========================================== */
.value-proposition {
    padding: var(--spacing-xl) 0;
    background-color: white;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.value-card {
    text-align: center;
    padding: var(--spacing-lg);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
}

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy-blue), var(--oxford-blue));
    border-radius: 50%;
    color: white;
}

.value-icon svg {
    stroke-width: 1.5;
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--navy-blue);
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ==========================================
   WHY US SECTION
   ========================================== */
.why-us {
    padding: var(--spacing-xl) 0;
    background-color: var(--off-white);
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--navy-blue);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

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

.why-text h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.highlight {
    display: inline-block;
    background-color: var(--gold);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.why-text > p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

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

.feature-list li {
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.checkmark {
    color: var(--gold);
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.feature-list strong {
    color: var(--navy-blue);
}

.why-visual {
    display: grid;
    gap: var(--spacing-md);
}

.stat-card {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--navy-blue), var(--oxford-blue));
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.cta-section .btn-primary {
    background-color: var(--gold);
    color: white;
}

.cta-section .btn-primary:hover {
    background-color: var(--bronze);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background-color: var(--navy-blue);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-col h3 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.footer-col h4 {
    color: var(--gold);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col p {
    opacity: 0.8;
    line-height: 1.7;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col ul li a {
    opacity: 0.8;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    opacity: 1;
    color: var(--gold);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--gold);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--cream);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: var(--spacing-md) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
    }

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

    .timer-display {
        gap: 1rem;
    }

    .time-value {
        font-size: 1.5rem;
    }

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

    .why-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }

    .countdown-timer {
        padding: 1rem;
    }

    .timer-display {
        gap: 0.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}