/* ======================================
   AlphaRise Innovation — Main Stylesheet
   ====================================== */

/* ---------- CSS Variables ---------- */
:root {
    --primary: #4F46E5;
    --primary-dark: #3730A3;
    --primary-light: #818CF8;
    --primary-glow: rgba(79, 70, 229, 0.3);
    --secondary: #06B6D4;
    --secondary-dark: #0891B2;
    --accent: #F59E0B;
    --accent-light: #FCD34D;

    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;

    --dark: #0F172A;
    --dark-2: #1E293B;
    --dark-3: #334155;
    --gray: #64748B;
    --gray-light: #94A3B8;
    --gray-lighter: #CBD5E1;
    --light: #F1F5F9;
    --light-2: #F8FAFC;
    --white: #FFFFFF;

    --gradient-primary: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    --gradient-dark: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1a1a3e 50%, #1E293B 100%);
    --gradient-text: linear-gradient(135deg, #4F46E5, #06B6D4);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --shadow-glow: 0 0 30px rgba(79, 70, 229, 0.2);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Space Grotesk', 'Inter', sans-serif;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--dark);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul { list-style: none; }

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- Utilities ---------- */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-light {
    background: linear-gradient(135deg, #818CF8, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.center { text-align: center; }

/* ---------- Section Styles ---------- */
.section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.section-label {
    margin-bottom: 16px;
}

.section-label span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(79, 70, 229, 0.08);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.section-label.light span {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

.section-label.center {
    text-align: center;
}

.section-header {
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--dark);
}

.section-title.light {
    color: var(--white);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.section-subtitle.light {
    color: rgba(255,255,255,0.7);
}

.section-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(79, 70, 229, 0.03) 0%, transparent 50%),
                      radial-gradient(circle at 80% 50%, rgba(6, 182, 212, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--primary-glow);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.btn-nav {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 10px 24px;
    font-size: 0.875rem;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.8125rem; }
.btn-full { width: 100%; }

/* ==========================================
   PRELOADER
   ========================================== */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s, visibility 0.5s;
}

#preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-ring {
    position: absolute;
    border-radius: 50%;
    border: 3px solid transparent;
    animation: loaderSpin 1.5s linear infinite;
}

.loader-ring:nth-child(1) {
    width: 100%;
    height: 100%;
    border-top-color: var(--primary);
}

.loader-ring:nth-child(2) {
    width: 75%;
    height: 75%;
    border-right-color: var(--secondary);
    animation-direction: reverse;
    animation-duration: 1.2s;
}

.loader-ring:nth-child(3) {
    width: 50%;
    height: 50%;
    border-bottom-color: var(--accent);
    animation-duration: 0.9s;
}

.loader-text {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
    text-transform: uppercase;
}

@keyframes loaderSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--white);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    color: var(--white);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    color: rgba(255,255,255,0.75);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(255,255,255,0.08);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.hamburger span {
    width: 26px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translateY(5px) translateX(5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-5px) translateX(5px);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 20% 50%, rgba(79, 70, 229, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at 60% 80%, rgba(245, 158, 11, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(79, 70, 229, 0.15);
    border: 1px solid rgba(79, 70, 229, 0.3);
    border-radius: var(--radius-full);
    color: var(--primary-light);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    margin-bottom: 12px;
}

.hero-note {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.5);
    font-style: italic;
    margin-bottom: 28px;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 36px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 1rem;
}

.hero-feature i {
    color: var(--success);
    font-size: 1.1rem;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
}

.stat-label {
    display: block;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
}

/* Hero Image */
.hero-image {
    position: relative;
}

.hero-img-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: visible;
}

.hero-img-wrapper img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    object-fit: cover;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dark);
    animation: floatCard 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.25rem;
}

.card-1 { top: 10%; left: -30px; animation-delay: 0s; }
.card-1 i { color: #3776AB; }
.card-2 { top: 40%; right: -30px; animation-delay: 0.5s; }
.card-2 i { color: #ED8B00; }
.card-3 { bottom: 20%; left: -20px; animation-delay: 1s; }
.card-3 i { color: var(--danger); }
.card-4 { bottom: 5%; right: -15px; animation-delay: 1.5s; }
.card-4 i { color: #512BD4; }

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    z-index: 3;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 80px;
    fill: var(--white);
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-img-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: visible;
}

.about-img-wrapper img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    object-fit: cover;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.exp-number {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    display: block;
    line-height: 1;
}

.exp-text {
    font-size: 0.75rem;
    font-weight: 500;
    opacity: 0.9;
}

.about-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: -1;
}

.shape {
    position: absolute;
    border-radius: 50%;
}

.shape-1 {
    width: 200px;
    height: 200px;
    background: rgba(79, 70, 229, 0.08);
    top: -40px;
    left: -40px;
}

.shape-2 {
    width: 120px;
    height: 120px;
    background: rgba(6, 182, 212, 0.08);
    bottom: -30px;
    right: 40px;
}

.about-text {
    font-size: 1.0625rem;
    color: var(--gray);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
}

.highlight-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: var(--light-2);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.highlight-item:hover {
    background: var(--light);
    transform: translateX(8px);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-size: 1.125rem;
}

.highlight-item h4 {
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--dark);
}

.highlight-item p {
    font-size: 0.9375rem;
    color: var(--gray);
    line-height: 1.6;
}

/* ==========================================
   COURSES SECTION
   ========================================== */
.courses {
    background: var(--light-2);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.course-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.04);
}

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

.course-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.course-card:hover .course-image img {
    transform: scale(1.08);
}

.course-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
}

.course-badge.green {
    background: var(--success);
}

.course-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.course-card:hover .course-overlay {
    opacity: 1;
}

.course-content {
    padding: 28px;
    position: relative;
}

.course-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    color: var(--white);
    margin-top: -50px;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.course-icon.python { background: linear-gradient(135deg, #3776AB, #FFD43B); }
.course-icon.java { background: linear-gradient(135deg, #ED8B00, #5382A1); }
.course-icon.dotnet { background: linear-gradient(135deg, #512BD4, #68217A); }
.course-icon.testing { background: linear-gradient(135deg, #EF4444, #F97316); }

.course-content h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 16px 0 10px;
    color: var(--dark);
}

.course-content p {
    font-size: 0.9375rem;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.course-features {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    padding-top: 16px;
    border-top: 1px solid var(--light);
}

.course-features span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    color: var(--gray);
    font-weight: 500;
}

.course-features span i {
    color: var(--primary);
    font-size: 0.75rem;
}

/* ==========================================
   FEATURES / WHY CHOOSE US
   ========================================== */
.features {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 32px 24px;
    background: var(--light-2);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    background: var(--white);
    border-color: rgba(79, 70, 229, 0.1);
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: rgba(79, 70, 229, 0.08);
    color: var(--primary);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--gradient-primary);
    color: var(--white);
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--gray);
    line-height: 1.6;
}

/* ==========================================
   PRACTICAL EXPERIENCE SECTION
   ========================================== */
.experience {
    background: var(--light-2);
}

.experience-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.exp-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 32px 0;
}

.exp-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid transparent;
}

.exp-item:hover {
    border-color: rgba(79, 70, 229, 0.15);
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.exp-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-size: 1.125rem;
}

.exp-item h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--dark);
}

.exp-item p {
    font-size: 0.875rem;
    color: var(--gray);
    line-height: 1.5;
}

.exp-cta-text {
    font-size: 1.0625rem;
    color: var(--dark);
}

/* Code Window */
.experience-visual {
    position: relative;
}

.code-window {
    background: var(--dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 2;
}

.code-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--dark-2);
}

.code-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #EF4444; }
.dot.yellow { background: #F59E0B; }
.dot.green { background: #10B981; }

.code-title {
    font-size: 0.8125rem;
    color: var(--gray-light);
    font-family: monospace;
}

.code-body {
    padding: 24px;
    min-height: 200px;
}

.code-body pre {
    margin: 0;
}

.code-body code {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.875rem;
    line-height: 1.8;
    color: #E2E8F0;
    white-space: pre-wrap;
}

.exp-bg-img {
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 300px;
    border-radius: var(--radius-xl);
    opacity: 0.3;
    z-index: 1;
}

/* ==========================================
   RESULTS SECTION
   ========================================== */
.results {
    background: var(--white);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.result-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--light-2);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.result-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.result-card:hover::after {
    opacity: 1;
}

.result-card > * {
    position: relative;
    z-index: 1;
}

.result-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.result-card:hover .result-icon,
.result-card:hover h3,
.result-card:hover p {
    color: var(--white);
}

.result-card:hover .result-icon {
    background: rgba(255,255,255,0.15);
}

.result-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: rgba(79, 70, 229, 0.08);
    color: var(--primary);
    border-radius: var(--radius-lg);
    font-size: 1.75rem;
    transition: var(--transition);
}

.result-card h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
    transition: var(--transition);
}

.result-card p {
    font-size: 0.9375rem;
    color: var(--gray);
    line-height: 1.6;
    transition: var(--transition);
}

/* ==========================================
   WHO CAN JOIN
   ========================================== */
.who-join {
    background: var(--light-2);
}

.who-join-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.who-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.who-item {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 16px 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid transparent;
}

.who-item:hover {
    border-color: rgba(79, 70, 229, 0.15);
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.who-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(79, 70, 229, 0.08);
    color: var(--primary);
    border-radius: var(--radius-sm);
    font-size: 1rem;
}

.who-item h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px;
}

.who-item p {
    font-size: 0.875rem;
    color: var(--gray);
}

.who-join-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    object-fit: cover;
}

/* ==========================================
   STUDENT SUPPORT
   ========================================== */
.support {
    background: var(--gradient-dark);
    position: relative;
}

.support-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(79, 70, 229, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.support-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    z-index: 2;
}

.support-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
    text-align: center;
    transition: var(--transition);
}

.support-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.support-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
}

.support-card h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.support-card p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info-card {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: 40px;
    color: var(--white);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.contact-info-card::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    bottom: -80px;
    right: -80px;
}

.contact-info-card::after {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    top: -40px;
    left: -40px;
}

.contact-info-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.contact-info-card > p {
    font-size: 0.9375rem;
    opacity: 0.8;
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    flex: 1;
}

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

.contact-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    font-size: 1rem;
}

.contact-item h4 {
    font-size: 0.8125rem;
    font-weight: 500;
    opacity: 0.7;
    margin-bottom: 2px;
}

.contact-item p {
    font-size: 0.9375rem;
    font-weight: 500;
}

.contact-socials {
    display: flex;
    gap: 12px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.15);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--light);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    color: var(--dark);
    background: var(--light-2);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-light);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
    cursor: pointer;
}

/* ==========================================
   FINAL CTA SECTION
   ========================================== */
.cta {
    background: var(--gradient-primary);
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 10% 50%, rgba(255,255,255,0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 50%, rgba(255,255,255,0.08) 0%, transparent 40%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--dark);
    padding: 60px 0 0;
    color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-logo .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 0.875rem;
}

.footer-about p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-socials {
    display: flex;
    gap: 10px;
}

.footer-socials a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
    font-size: 0.875rem;
}

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

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    padding: 6px 0;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 8px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9375rem;
    margin-bottom: 12px;
}

.footer-contact i {
    color: var(--primary-light);
    font-size: 0.875rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ==========================================
   BACK TO TOP
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    cursor: pointer;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ==========================================
   PULSE BUTTON
   ========================================== */
.pulse-btn {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 4px 20px var(--primary-glow); }
    50% { box-shadow: 0 4px 40px rgba(79, 70, 229, 0.5); }
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title { font-size: 2.75rem; }

    .hero-features { align-items: center; }

    .hero-cta { justify-content: center; }

    .hero-stats { justify-content: center; }

    .hero-image { 
        max-width: 500px; 
        margin: 0 auto; 
    }

    .about-grid,
    .experience-grid,
    .who-join-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image { max-width: 500px; margin: 0 auto; }

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

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

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

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

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

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

    .section-title {
        font-size: 2.25rem;
    }

    .who-join-image {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 30px 30px;
        gap: 4px;
        transition: right 0.4s cubic-bezier(0.65, 0, 0.35, 1);
        box-shadow: -10px 0 40px rgba(0,0,0,0.3);
        z-index: 999;
    }

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

    .nav-link {
        width: 100%;
        padding: 12px 16px;
    }

    .btn-nav {
        width: 100%;
        text-align: center;
        margin-top: 16px;
    }

    .hamburger { display: flex; }

    .hero { padding-top: 100px; }
    .hero-title { font-size: 2.25rem; }
    .hero-stats { gap: 24px; }

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

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

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

    .support-cards {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.875rem;
    }

    .experience-visual {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.875rem; }

    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

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

    .contact-form {
        padding: 24px;
    }

    .contact-info-card {
        padding: 30px;
    }

    .floating-card {
        display: none;
    }

    .section-title {
        font-size: 1.625rem;
    }

    .cta-content h2 {
        font-size: 1.625rem;
    }
}