/* ===========================
   CSS VARIABLES & ROOT STYLES
   =========================== */

:root {
    /* Colors */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #ec4899;
    --secondary-dark: #be185d;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;

    /* Neutrals */
    --bg-dark: #0f172a;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --border-color: #e2e8f0;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #818cf8 0%, #f472b6 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);

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

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 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);

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

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-tooltip: 400;
}

/* ===========================
   RESET & GLOBAL STYLES
   =========================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-secondary);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    font-size: var(--font-size-base);
    overflow-x: hidden;
}

/* ===========================
   CONTAINER & LAYOUT
   =========================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* ===========================
   BUTTONS
   =========================== */

.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-primary);
    display: inline-block;
    text-align: center;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-light {
    background-color: white;
    color: var(--primary-color);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.btn-login {
    padding: var(--spacing-xs) var(--spacing-lg);
    background-color: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-primary);
}

.btn-login:hover {
    background-color: var(--primary-color);
    color: white;
}

/* ===========================
   TOP BAR
   =========================== */

.top-bar {
    background-color: var(--bg-dark);
    color: white;
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.contact-item .icon {
    width: 18px;
    height: 18px;
    min-width: 18px;
}

@media (max-width: 1024px) {
    .top-bar-content {
        justify-content: center;
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }
}

/* ===========================
   NAVBAR
   =========================== */

.navbar {
    background-color: white;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.navbar-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 700;
    font-family: var(--font-primary);
    color: var(--primary-color);
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
    font-family: var(--font-primary);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 6px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: all var(--transition-base);
    border-radius: var(--radius-full);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
    }

    .nav-menu.active {
        max-height: 500px;
    }

    .hamburger {
        display: flex;
        order: -1;
    }

    .btn-login {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    .nav-link.active::after {
        display: none;
    }
}

/* ===========================
   HERO SECTION
   =========================== */

.hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(30px);
    }
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
    animation: zoomIn 0.8s ease-out;
}

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

    .hero-illustration {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-2xl) 0;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-description {
        font-size: var(--font-size-base);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

/* ===========================
   SECTION HEADERS
   =========================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--text-light);
}

/* ===========================
   APP PROMOTION SECTION
   =========================== */

.app-promo {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-light);
}

.app-promo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.app-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.phone-frame {
    width: 250px;
    height: 500px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(236, 72, 153, 0.2) 100%);
    border-radius: 40px;
    border: 12px solid #000;
    position: relative;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    transform: rotateY(-15deg) rotateX(5deg);
}

.phone-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 25px;
    background-color: #000;
    border-radius: 0 0 20px 20px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 40px 10px 10px 10px;
    background: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    border-radius: 20px;
}

.app-header {
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-family: var(--font-primary);
}

.app-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    flex: 1;
}

.feature-item {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: white;
    text-align: center;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.app-features-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.app-feature {
    text-align: left;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.app-feature h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.app-feature p {
    color: var(--text-light);
}

.app-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-3xl);
    flex-wrap: wrap;
}

@media (max-width: 1024px) {
    .app-promo-content {
        grid-template-columns: 1fr;
    }

    .app-mockup {
        order: 2;
    }

    .app-features-list {
        order: 1;
    }
}

@media (max-width: 768px) {
    .app-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .phone-frame {
        width: 200px;
        height: 400px;
    }
}

/* ===========================
   WHAT WE OFFER SECTION
   =========================== */

.what-we-offer {
    padding: var(--spacing-3xl) 0;
}

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

.offer-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.5) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.1);
}

.offer-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
    border-color: var(--primary-light);
}

.card-icon-wrapper {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
}

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

.offer-card:hover .card-img {
    transform: scale(1.1);
}

.offer-card h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: var(--spacing-lg) var(--spacing-md) var(--spacing-sm);
    color: var(--text-dark);
}

.offer-card p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    padding: 0 var(--spacing-md) var(--spacing-md);
}

/* ===========================
   ABOUT SECTION
   =========================== */

.about {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(236, 72, 153, 0.03) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-illustration {
    position: relative;
    height: 400px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
    overflow: hidden;
}

.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: zoomIn 0.8s ease-out;
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.book-shape {
    width: 100px;
    height: 140px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    position: relative;
    animation: flipBook 3s ease-in-out infinite;
}

.book-shape::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 80%;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
}

@keyframes flipBook {

    0%,
    100% {
        transform: rotateY(0deg);
    }

    50% {
        transform: rotateY(15deg);
    }
}

.gear-shape {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ec4899, #f472b6);
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
    position: absolute;
    right: 50px;
    bottom: 50px;
    animation: rotate 4s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.star-shape {
    position: absolute;
    top: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
    animation: pulse 2s ease-in-out infinite;
}

.about-text h2 {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-dark);
}

.about-text p {
    color: var(--text-light);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.feature-check {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    flex-shrink: 0;
}

.feature span:last-child {
    font-weight: 500;
    color: var(--text-dark);
}

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

@media (max-width: 768px) {
    .about-features {
        grid-template-columns: 1fr;
    }
}

/* ===========================
   CTA BANNER SECTION
   =========================== */

.cta-banner {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-banner::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

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

.cta-content h2 {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

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

/* ===========================
   COURSES SECTION
   =========================== */

.courses {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-light);
}

.license-classification {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.classification-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    border: 2px solid var(--border-color);
}

.classification-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(99, 102, 241, 0.2);
    border-color: var(--primary-light);
}

.classification-header {
    background: var(--gradient-primary);
    color: white;
    /* padding: var(--spacing-md); */
    text-align: center;
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.classification-image {
    width: 100%;
    height: 150px;
    overflow: hidden;
}

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

.classification-card:hover .lic-img {
    transform: scale(1.08);
}

.classification-list {
    padding: var(--spacing-md);
}

.classification-list p {
    color: var(--text-dark);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.course-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(99, 102, 241, 0.2);
}

.course-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .course-card.featured {
        transform: scale(1);
    }
}

.badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--secondary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    z-index: 5;
}

.course-header {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

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

.course-card:hover .course-img {
    transform: scale(1.1);
}

.course-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.7), rgba(236, 72, 153, 0.7));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.course-overlay .course-icon {
    font-size: 3.5rem;
}

.course-card h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: var(--spacing-lg) var(--spacing-lg) var(--spacing-sm);
    color: var(--text-dark);
}

.course-card p {
    color: var(--text-light);
    margin: 0 var(--spacing-lg) var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.course-features {
    list-style: none;
    margin: 0 var(--spacing-lg) var(--spacing-lg);
    text-align: left;
    flex-grow: 1;
}

.course-features li {
    color: var(--text-dark);
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
}

.course-card .btn {
    margin: var(--spacing-md);
    width: auto;
}

/* ===========================
   STATS SECTION
   =========================== */

.stats {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

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

.stat-number {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
}

/* ===========================
   APP FEATURES SECTION
   =========================== */

.app-features {
    padding: var(--spacing-3xl) 0;
}

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

.feature-showcase-item {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.feature-showcase-item:hover {
    border-color: var(--primary-light);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15);
    transform: translateY(-5px);
}

.showcase-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.feature-showcase-item h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-showcase-item p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

/* ===========================
   WORK PROCESS SECTION
   =========================== */

.work-process {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-light);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-light) 50%, transparent 100%);
    display: none;
}

@media (min-width: 769px) {
    .process-timeline::before {
        display: block;
    }
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: 0 auto var(--spacing-lg);
    font-family: var(--font-primary);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
    position: relative;
    z-index: 2;
}

.process-step h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.process-step p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

.process-connector {
    display: none;
}

/* ===========================
   TESTIMONIALS SECTION
   =========================== */

.testimonials {
    padding: var(--spacing-3xl) 0;
}

.testimonials-slider {
    position: relative;
    overflow: hidden;
}

.testimonial-track {
    display: flex;
    gap: var(--spacing-lg);
    overflow-x: hidden;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
}

.testimonial-card {
    min-width: 100%;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    scroll-snap-align: start;
    transition: all var(--transition-base);
}

@media (min-width: 769px) {
    .testimonial-card {
        min-width: calc(50% - var(--spacing-sm));
    }
}

@media (min-width: 1025px) {
    .testimonial-card {
        min-width: calc(33.333% - var(--spacing-md));
    }
}

.testimonial-stars {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    color: var(--text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.author-info h4 {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: 2px;
}

.author-info p {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--primary-color);
    color: white;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

.slider-arrow:hover {
    background-color: var(--primary-dark);
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow.prev {
    left: var(--spacing-lg);
}

.slider-arrow.next {
    right: var(--spacing-lg);
}

@media (max-width: 768px) {
    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .slider-arrow.prev {
        left: var(--spacing-sm);
    }

    .slider-arrow.next {
        right: var(--spacing-sm);
    }
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.dot {
    width: 12px;
    height: 12px;
    background-color: var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-base);
}

.dot.active {
    background-color: var(--primary-color);
    width: 32px;
    border-radius: var(--radius-full);
}

/* ===========================
   NEWSLETTER SECTION
   =========================== */

.newsletter {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    border-radius: var(--radius-xl);
    margin: var(--spacing-3xl) 0;
}

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

.newsletter-content h2 {
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.newsletter-content p {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    min-width: 200px;
}

.newsletter-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.newsletter-form button {
    padding: var(--spacing-sm) var(--spacing-lg);
}

.newsletter-note {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

@media (max-width: 768px) {
    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
    }
}

/* ===========================
   FOOTER
   =========================== */

.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    font-size: var(--font-size-sm);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 700;
    font-family: var(--font-primary);
    margin-bottom: var(--spacing-md);
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

.footer-contact .icon {
    width: 20px;
    height: 20px;
    min-width: 20px;
    margin-top: 2px;
}

.app-download {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.app-btn {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-primary);
    font-weight: 600;
    text-align: center;
}

.app-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: var(--primary-light);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-base);
    font-weight: 600;
}

.social-links a:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer-links-bottom {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links-bottom a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-links-bottom {
        flex-direction: column;
    }
}

/* ===========================
   SCROLL REVEAL ANIMATION
   =========================== */

.reveal {
    opacity: 0;
    transform: translateY(30px);
}

.reveal.show {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s ease-out;
}

/* ===========================
   UTILITY CLASSES
   =========================== */

.icon {
    width: 20px;
    height: 20px;
}

/* ===========================
   RESPONSIVE ADJUSTMENTS
   =========================== */

@media (max-width: 768px) {
    :root {
        --font-size-3xl: 1.875rem;
        --font-size-4xl: 2rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

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

@media (max-width: 480px) {
    :root {
        --font-size-lg: 1rem;
        --font-size-2xl: 1.375rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }

    .section-header h2 {
        font-size: var(--font-size-2xl);
    }

    .course-card.featured {
        transform: scale(1);
    }

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