/* ========================================
   ROOT VARIABLES
   ======================================== */
:root {
    --primary: #4CAF50;
    --primary-dark: #388E3C;
    --primary-light: #81C784;
    --secondary: #8B5CF6;
    --accent: #F59E0B;
    --dark: #0F172A;
    --dark-soft: #1E293B;
    --gray: #94A3B8;
    --gray-light: #CBD5E1;
    --white: #FFFFFF;
    --bg-light: #F8FAFC;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.16);
    --radius: 20px;
    --radius-sm: 12px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--white);
    color: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
    padding-top: 70px;
}

/* ========================================
   SCROLLBAR
   ======================================== */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-light);
}
::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

/* ========================================
   LOADING SCREEN
   ======================================== */
.loading-screen {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}
.loading-screen.hide {
    opacity: 0;
    visibility: hidden;
}
.loading-spinner {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 3px solid var(--gray-light);
    border-top-color: var(--primary);
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.loading-text {
    margin-top: 16px;
    color: var(--gray);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(76, 175, 80, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(76, 175, 80, 0.4);
}
.btn-primary:active {
    transform: translateY(0);
}
.btn-arrow {
    transition: var(--transition);
    font-size: 18px;
}
.btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}
.btn-block {
    width: 100%;
    justify-content: center;
    padding: 16px 28px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    background: var(--bg-light);
    color: var(--dark);
    border: 2px solid var(--gray-light);
    border-radius: 50px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}
.btn-secondary:hover {
    border-color: var(--primary);
    background: var(--white);
}

/* ========================================
   NAVIGATION (Mobile-First)
   ======================================== */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
}
.logo-icon {
    font-size: 24px;
}
.logo-text {
    color: var(--dark);
}
.accent {
    color: var(--primary);
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}
.menu-toggle .bar {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--dark);
    border-radius: 4px;
    transition: var(--transition);
}
.menu-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
.menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

.nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    padding: 32px 24px;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}
.nav-menu.active {
    transform: translateX(0);
}

.menu-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.menu-link {
    padding: 14px 16px;
    color: var(--dark);
    text-decoration: none;
    font-size: 17px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.menu-link.active {
    background: var(--primary);
    color: var(--white);
}
.menu-link:hover {
    background: var(--bg-light);
}

.menu-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-light);
}
.menu-cta {
    font-weight: 600;
    font-size: 18px;
    color: var(--dark);
    margin-bottom: 12px;
}
.menu-social {
    display: flex;
    gap: 16px;
}
.menu-social a {
    font-size: 24px;
    text-decoration: none;
    opacity: 0.7;
    transition: var(--transition);
}
.menu-social a:hover {
    opacity: 1;
}

/* ========================================
   SECTION HEADER
   ======================================== */
.section-header {
    text-align: center;
    padding: 0 20px;
    margin-bottom: 40px;
}
.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(76, 175, 80, 0.12);
    padding: 4px 16px;
    border-radius: 50px;
    margin-bottom: 12px;
}
.section-title {
    font-size: 30px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 12px;
}
.section-desc {
    color: var(--gray);
    font-size: 16px;
}
.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: calc(100vh - 70px);
    display: flex;
    flex-direction: column;
    background: var(--white);
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    height: 55vh;
    overflow: hidden;
}
.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.4), transparent);
}

.hero-content {
    padding: 28px 20px 40px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.hero-badge {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(76, 175, 80, 0.12);
    padding: 4px 16px;
    border-radius: 50px;
    align-self: flex-start;
    margin-bottom: 16px;
}
.hero-title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 12px;
}
.hero-desc {
    font-size: 16px;
    color: var(--gray);
    margin-bottom: 24px;
    line-height: 1.8;
}
.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}
.hero-actions .btn-primary,
.hero-actions .btn-secondary {
    flex: 1;
    justify-content: center;
    min-width: 140px;
}
.hero-stats {
    display: flex;
    align-items: center;
    gap: 20px;
}
.stat {
    display: flex;
    flex-direction: column;
}
.stat-number {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
}
.stat-label {
    font-size: 13px;
    color: var(--gray);
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-light);
}

/* ========================================
   BENEFITS SECTION
   ======================================== */
.benefits {
    padding: 60px 20px 80px;
    background: var(--bg-light);
}
.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
.benefit-card {
    background: var(--white);
    padding: 24px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.benefit-icon {
    font-size: 32px;
    margin-bottom: 8px;
}
.benefit-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}
.benefit-card p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 12px;
}
.benefit-stats {
    display: inline-block;
    background: rgba(76, 175, 80, 0.1);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 2px 12px;
    border-radius: 50px;
}

/* ========================================
   PROGRAMS SECTION
   ======================================== */
.programs {
    padding: 60px 20px 80px;
}
.programs-slider {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}
.program-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.program-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.program-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}
.program-content {
    padding: 20px;
}
.program-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--white);
    background: var(--primary);
    padding: 2px 12px;
    border-radius: 50px;
    margin-bottom: 8px;
}
.program-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}
.program-content p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 12px;
}
.program-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 12px;
}
.program-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}
.program-link:hover {
    color: var(--primary-dark);
    gap: 4px;
}

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonials {
    padding: 60px 20px 80px;
    background: var(--bg-light);
}
.testimonials-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
.testimonial-item {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 16px;
}
.testimonial-avatar {
    flex-shrink: 0;
}
.testimonial-avatar img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
}
.testimonial-body {
    flex: 1;
}
.testimonial-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 4px;
}
.testimonial-header h4 {
    font-size: 16px;
    font-weight: 700;
}
.testimonial-role {
    font-size: 12px;
    color: var(--gray);
}
.testimonial-text {
    font-size: 14px;
    color: var(--dark);
    line-height: 1.6;
    margin-bottom: 4px;
}
.testimonial-rating {
    font-size: 14px;
    color: var(--accent);
}

/* ========================================
   RESOURCES
   ======================================== */
.resources {
    padding: 60px 20px 80px;
}
.resources-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
.resource-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.resource-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.resource-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}
.resource-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.resource-content {
    padding: 18px 20px 20px;
}
.resource-category {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--secondary);
    background: rgba(139, 92, 246, 0.12);
    padding: 2px 12px;
    border-radius: 50px;
    margin-bottom: 6px;
}
.resource-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}
.resource-content p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 12px;
}
.resource-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}
.resource-link:hover {
    color: var(--primary-dark);
}

/* ========================================
   CONTACT
   ======================================== */
.contact {
    padding: 60px 20px 80px;
    background: var(--bg-light);
}
.contact-wrapper {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.contact-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
}
.contact-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.contact-content {
    padding: 28px 20px 32px;
}
.contact-content .section-tag {
    margin-bottom: 8px;
}
.contact-content .section-title {
    font-size: 26px;
    margin-bottom: 4px;
}
.contact-content .section-desc {
    margin-bottom: 20px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}
.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 15px;
    transition: var(--transition);
    outline: none;
    background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(76, 175, 80, 0.1);
}
.form-group textarea {
    resize: vertical;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 48px 20px 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    max-width: 600px;
    margin: 0 auto;
}
.footer-brand .logo {
    font-size: 20px;
}
.footer-brand p {
    color: var(--gray);
    font-size: 14px;
    margin: 8px 0 16px;
}
.footer-social {
    display: flex;
    gap: 12px;
}
.footer-social a {
    font-size: 20px;
    text-decoration: none;
    opacity: 0.7;
    transition: var(--transition);
}
.footer-social a:hover {
    opacity: 1;
}
.footer-links h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 12px;
}
.footer-links a {
    display: block;
    color: var(--gray);
    text-decoration: none;
    font-size: 14px;
    padding: 4px 0;
    transition: var(--transition);
}
.footer-links a:hover {
    color: var(--white);
}
.footer-newsletter h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}
.footer-newsletter p {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 12px;
}
.newsletter-input {
    display: flex;
    gap: 8px;
}
.newsletter-input input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50px;
    background: rgba(255,255,255,0.05);
    color: var(--white);
    font-family: inherit;
    font-size: 14px;
    outline: none;
}
.newsletter-input input::placeholder {
    color: var(--gray);
}
.newsletter-input input:focus {
    border-color: var(--primary);
}
.newsletter-input button {
    padding: 12px 20px;
    background: var(--primary);
    border: none;
    border-radius: 50px;
    color: var(--white);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
}
.newsletter-input button:hover {
    background: var(--primary-dark);
}
.footer-bottom {
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    text-align: center;
    font-size: 13px;
    color: var(--gray);
}
.footer-bottom p:last-child {
    margin-top: 4px;
    opacity: 0.7;
}

/* ========================================
   RESPONSIVE - TABLETS
   ======================================== */
@media (min-width: 600px) {
    .hero-title {
        font-size: 44px;
    }
    .benefits-grid {
        grid-template-columns: 1fr 1fr;
    }
    .programs-slider {
        grid-template-columns: 1fr 1fr;
    }
    .testimonials-list {
        grid-template-columns: 1fr 1fr;
    }
    .resources-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .contact-image {
        height: 300px;
    }
    .contact-content {
        padding: 36px 32px 40px;
    }
}

/* ========================================
   RESPONSIVE - DESKTOP
   ======================================== */
@media (min-width: 1024px) {
    body {
        padding-top: 0;
    }
    .mobile-nav {
        display: none;
    }
    .hero {
        flex-direction: row;
        min-height: 100vh;
    }
    .hero-image-wrapper {
        flex: 1;
        height: 100vh;
        order: 2;
    }
    .hero-content {
        flex: 1;
        padding: 60px 60px 60px 80px;
        justify-content: center;
    }
    .hero-title {
        font-size: 56px;
    }
    .hero-desc {
        font-size: 18px;
        max-width: 440px;
    }
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        flex: 0 1 auto;
    }
    .benefits {
        padding: 80px 60px 100px;
    }
    .benefits-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .programs {
        padding: 80px 60px 100px;
    }
    .programs-slider {
        grid-template-columns: repeat(3, 1fr);
    }
    .testimonials {
        padding: 80px 60px 100px;
    }
    .testimonials-list {
        grid-template-columns: repeat(3, 1fr);
    }
    .resources {
        padding: 80px 60px 100px;
    }
    .resources-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .contact {
        padding: 80px 60px 100px;
    }
    .contact-wrapper {
        display: flex;
        max-width: 1000px;
        margin: 0 auto;
    }
    .contact-image {
        flex: 1;
        height: auto;
        min-height: 500px;
    }
    .contact-content {
        flex: 1;
        padding: 48px 40px;
    }
    .contact-content .section-title {
        font-size: 32px;
    }
    .footer {
        padding: 60px 60px 32px;
    }
    .footer-grid {
        max-width: 1200px;
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
    .footer-bottom {
        max-width: 1200px;
        margin: 48px auto 0;
        display: flex;
        justify-content: space-between;
    }
    .footer-bottom p:last-child {
        margin-top: 0;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
      }