/* ==========================================
   CSS Custom Properties - Design System
   ========================================== */
:root {
    /* Colors */
    --color-primary: #1a1a1a;
    --color-accent: #d4af37;
    --color-secondary: #f5f5f0;
    --color-highlight: #8b2635;
    --color-text: #2a2a2a;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --color-bg-light: #fafaf8;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #1a1a1a 0%, #3a2a1a 50%, #1a1a1a 100%);
    --gradient-dark: linear-gradient(180deg, #1a1a1a 0%, #2a2a2a 100%);
    --gradient-gold: linear-gradient(135deg, #d4af37 0%, #c9a961 100%);
    --gradient-burgundy: linear-gradient(135deg, #8b2635 0%, #a63447 100%);

    /* Course Card Gradients */
    --gradient-course-1: linear-gradient(135deg, #d4af37 0%, #c9a961 50%, #8b7355 100%);
    --gradient-course-2: linear-gradient(135deg, #8b2635 0%, #a63447 50%, #6b1a28 100%);
    --gradient-course-3: linear-gradient(135deg, #5a4a3a 0%, #8b7355 50%, #3a2a1a 100%);
    --gradient-course-4: linear-gradient(135deg, #1a5a4a 0%, #2a7a6a 50%, #1a3a2a 100%);
    --gradient-course-5: linear-gradient(135deg, #8b1a1a 0%, #c94a4a 50%, #6b1a1a 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

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

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

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ==========================================
   Container
   ========================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================
   Typography
   ========================================== */
.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.section-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--gradient-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    color: var(--color-white);
    overflow: hidden;
    padding: var(--spacing-2xl) 0;
}

.hero-background {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 38, 53, 0.1) 0%, transparent 50%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% {
        opacity: 0.5;
    }

    100% {
        opacity: 1;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    margin: 0 auto;
}

.hero-image-decoration {
    position: absolute;
    inset: -10px;
    background: var(--gradient-gold);
    border-radius: var(--radius-xl);
    transform: rotate(-3deg);
    z-index: -1;
}

.hero-image {
    width: 100%;
    max-width: 400px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    animation: fadeIn 1s ease;
}

.hero-text {
    text-align: center;
    animation: slideUp 1s ease;
}

.hero-title-main {
    display: block;
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: var(--font-weight-extrabold);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.hero-title-sub {
    display: block;
    font-size: clamp(1.25rem, 4vw, 2rem);
    font-weight: var(--font-weight-semibold);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-lg);
}

.hero-highlights {
    margin: var(--spacing-lg) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.hero-tagline {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary);
}

.hero-achievement {
    font-size: clamp(1.125rem, 3vw, 1.5rem);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    margin-top: var(--spacing-sm);
}

.hero-description {
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    color: var(--color-secondary);
    max-width: 600px;
    margin: var(--spacing-lg) auto;
    line-height: 1.8;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   Courses Section
   ========================================== */
.courses {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-light);
}

.courses-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.course-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.course-card:nth-child(1) {
    animation-delay: 0.1s;
}

.course-card:nth-child(2) {
    animation-delay: 0.2s;
}

.course-card:nth-child(3) {
    animation-delay: 0.3s;
}

.course-card:nth-child(4) {
    animation-delay: 0.4s;
}

.course-card:nth-child(5) {
    animation-delay: 0.5s;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.course-image {
    position: relative;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.course-card:hover .course-image img {
    transform: scale(1.05);
}

.course-image-1 {
    background: var(--gradient-course-1);
}

.course-image-2 {
    background: var(--gradient-course-2);
}

.course-image-3 {
    background: var(--gradient-course-3);
}

.course-image-4 {
    background: var(--gradient-course-4);
}

.course-image-5 {
    background: var(--gradient-course-5);
}



.course-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    box-shadow: var(--shadow-sm);
}

.course-content {
    padding: var(--spacing-lg);
}

.course-title {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.course-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

/* ==========================================
   Student Area Section
   ========================================== */
.student-area {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-dark);
    color: var(--color-white);
}

.student-area-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.student-area-icon {
    margin: 0 auto var(--spacing-lg);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-gold);
    border-radius: var(--radius-xl);
    color: var(--color-primary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.student-area-title {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.student-area-description {
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

/* ==========================================
   FAQ Section
   ========================================== */
.faq {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-light);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    text-align: left;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.faq-question:hover {
    color: var(--color-accent);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform var(--transition-base);
    color: var(--color-accent);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-text-light);
    line-height: 1.7;
}

.faq-answer a {
    color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
    text-decoration: underline;
}

/* ==========================================
   Social Section
   ========================================== */
.social {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.social-links {
    display: grid;
    gap: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.social-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.social-instagram {
    background: linear-gradient(135deg, #833ab4 0%, #fd1d1d 50%, #fcb045 100%);
}

.social-tiktok {
    background: linear-gradient(135deg, #000000 0%, #00f2ea 100%);
}

.social-youtube {
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    padding: var(--spacing-xl) 0;
    background: var(--color-primary);
    color: var(--color-secondary);
    text-align: center;
}

.footer-text {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
}

/* ==========================================
   Responsive Design
   ========================================== */
/* Mobile */
@media (max-width: 767px) {
    .hero-image {
        max-width: 300px;
    }

    .hero-title-main {
        font-size: 2.5rem;
    }

    .hero-highlights {
        margin: var(--spacing-sm) 0;
    }

    .hero-description {
        margin: var(--spacing-sm) auto;
    }
}

@media (min-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }

    .hero-text {
        text-align: left;
    }

    .hero-highlights {
        align-items: flex-start;
    }

    .hero-description {
        margin-left: 0;
    }

    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .social-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

/* ==========================================
   Utility Classes
   ========================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ==========================================
   Hero Section V2 (Mockup Style)
   ========================================== */
.hero-v2 {
    position: relative;
    background-color: #0a0a0a;
    background-image: 
        radial-gradient(circle at 50% 30%, rgba(212, 175, 55, 0.15) 0%, transparent 60%);
    min-height: 100vh;
    padding-top: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--color-white);
    overflow: hidden;
}

.hero-v2-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(60px);
    z-index: 0;
    animation: heroGlow 8s ease-in-out infinite alternate;
}

.hero-v2-glow-1 {
    top: 5%;
    left: -10%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.2) 0%, transparent 70%);
}

.hero-v2-glow-2 {
    bottom: 30%;
    right: -10%;
    background: radial-gradient(circle, rgba(59, 178, 92, 0.15) 0%, transparent 70%);
}

.hero-v2-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.hero-v2-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
    z-index: 1;
    margin: 0 auto;
}

.hero-v2-image {
    width: 100%;
    display: block;
    object-fit: cover;
}

.hero-v2-text-overlay {
    position: relative;
    z-index: 2;
    text-align: center;
    margin-top: -150px; /* Overlaps the bottom of the image */
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 0 var(--spacing-md);
}

.hero-v2-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

.hero-v2-title-box {
    background: var(--color-white);
    padding: 10px 25px;
    display: inline-block;
    box-shadow: 0 15px 35px rgba(0,0,0,0.6);
    margin-bottom: var(--spacing-md);
}

.hero-v2-title {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 900; /* Extra bold */
    margin: 0;
    line-height: 1;
    letter-spacing: -1px;
}

.hero-v2-highlight-black {
    color: #1a1a1a;
}

.hero-v2-highlight-green {
    color: #3bb25c; /* Vibrant green from mockup */
}

.hero-v2-description {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 6px rgba(0,0,0,0.9);
    font-weight: 300;
}

.hero-v2-achievement-wrapper {
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-xl);
}

.hero-v2-achievement {
    font-weight: var(--font-weight-bold);
    font-size: 1rem;
    color: var(--color-accent);
    margin: 0;
}

.hero-v2-cta {
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 767px) {
    .hero-v2-text-overlay {
        margin-top: -80px;
    }
    .hero-v2-title-box {
        padding: 5px 15px;
    }
}