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

:root {
    --green-900: #1B4332;
    --green-800: #2D6A4F;
    --green-700: #40916C;
    --green-600: #52B788;
    --green-500: #74C69D;
    --green-100: #D8F3DC;
    --green-50: #EDF7F0;

    --off-white: #FAFBF9;
    --cream: #F4F7F3;
    --white: #FFFFFF;
    --gray-50: #F8F9F8;
    --gray-100: #F0F2EF;
    --gray-200: #E2E5E0;
    --gray-300: #C8CC C4;
    --gray-400: #9BA39A;
    --gray-500: #6B756B;
    --gray-600: #4A524A;
    --gray-700: #2D332D;
    --gray-800: #1A1F1A;
    --gray-900: #0D110D;

    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    --shadow-sm: 0 1px 2px rgba(27, 67, 50, 0.04);
    --shadow-md: 0 4px 16px rgba(27, 67, 50, 0.06);
    --shadow-lg: 0 8px 32px rgba(27, 67, 50, 0.08);
    --shadow-xl: 0 16px 48px rgba(27, 67, 50, 0.10);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

body {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--gray-700);
    background: var(--off-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.page-wrapper {
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── NAVIGATION ─── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 251, 249, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(27, 67, 50, 0.06);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.nav.scrolled {
    background: rgba(250, 251, 249, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--green-900);
    text-decoration: none;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo-icon {
    color: var(--green-800);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--gray-600);
    text-decoration: none;
    letter-spacing: 0.01em;
    transition: color 0.2s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--green-800);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--green-700);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--green-900) !important;
    color: var(--white) !important;
    padding: 10px 22px;
    border-radius: 100px;
    font-weight: 500 !important;
    letter-spacing: 0.01em;
    transition: background 0.2s ease, transform 0.2s ease !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--green-800) !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 22px;
    height: 1.5px;
    background: var(--gray-700);
    transition: all 0.3s ease;
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* ─── HERO ─── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(
        135deg,
        var(--green-900) 0%,
        var(--green-800) 30%,
        var(--green-700) 60%,
        var(--green-600) 100%
    );
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('https://images.pexels.com/photos/37812034/pexels-photo-37812034.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080');
    background-size: cover;
    background-position: center;
    opacity: 0.12;
    mix-blend-mode: luminosity;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(27, 67, 50, 0.92) 0%,
        rgba(45, 106, 79, 0.85) 50%,
        rgba(64, 145, 108, 0.80) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 780px;
    padding: 120px 24px 80px;
}

.hero-eyebrow {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--green-500);
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5.5vw, 4.2rem);
    font-weight: 500;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-title-accent {
    font-style: italic;
    font-weight: 500;
    color: var(--green-100);
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.75;
    max-width: 560px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 64px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

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

.hero-stat-num {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--white);
    line-height: 1;
    margin-bottom: 6px;
}

.hero-stat-label {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
}

/* ─── BUTTONS ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 100px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.25s ease;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--green-900);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--green-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-ghost {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-white {
    background: var(--white);
    color: var(--green-900);
}

.btn-white:hover {
    background: var(--green-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-full {
    width: 100%;
}

/* ─── SECTION SHARED ─── */
.section-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--green-700);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 500;
    color: var(--gray-800);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.section-body {
    font-size: 1rem;
    font-weight: 300;
    color: var(--gray-500);
    line-height: 1.8;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

/* ─── ABOUT ─── */
.about {
    padding: 120px 0;
}

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

.about-image-wrap {
    position: relative;
}

.about-image-wrap img {
    width: 100%;
    height: 700px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    display: block;
}

.about-image-wrap::before {
    content: '';
    position: absolute;
    top: -16px;
    left: -16px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--green-200);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content {
    padding: 16px 0;
}

.about-content .section-body {
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 36px;
    padding-top: 36px;
    border-top: 1px solid var(--gray-200);
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--gray-700);
}

.about-feature svg {
    color: var(--green-700);
    flex-shrink: 0;
}

/* ─── COURSES ─── */
.courses {
    padding: 120px 0;
    background: var(--cream);
}

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

.course-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.course-card:hover {
    border-color: var(--green-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.course-card.featured {
    border-color: var(--green-300);
    background: linear-gradient(180deg, var(--green-50) 0%, var(--white) 100%);
}

.course-card-badge {
    position: absolute;
    top: 0;
    right: 32px;
    background: var(--green-800);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 8px 16px;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.course-card-num {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 600;
    color: var(--green-100);
    line-height: 1;
    margin-bottom: 20px;
}

.course-card.featured .course-card-num {
    color: var(--green-200);
}

.course-card-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 14px;
    letter-spacing: -0.01em;
}

.course-card-desc {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 24px;
}

.course-card-list {
    list-style: none;
    margin-bottom: 28px;
}

.course-card-list li {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--gray-600);
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: 10px;
}

.course-card-list li::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--green-600);
    border-radius: 50%;
    flex-shrink: 0;
}

.course-card-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--green-800);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s ease;
}

.course-card-link:hover {
    gap: 10px;
}

/* ─── WHY ─── */
.why {
    padding: 120px 0;
}

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

.why-content {
    order: 1;
}

.why-items {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.why-item {
    display: flex;
    gap: 20px;
}

.why-item-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--green-50);
    border: 1px solid var(--green-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-800);
    flex-shrink: 0;
}

.why-item-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.why-item-desc {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--gray-500);
    line-height: 1.7;
}

.why-image {
    order: 2;
}

.why-image img {
    width: 100%;
    height: 650px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    display: block;
}

/* ─── TESTIMONIALS ─── */
.testimonials {
    padding: 120px 0;
    background: var(--cream);
}

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

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.testimonial-quote {
    color: var(--green-200);
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-700);
}

/* ─── CTA STRIP ─── */
.cta-strip {
    padding: 100px 0;
    background: linear-gradient(
        135deg,
        var(--green-900) 0%,
        var(--green-800) 60%,
        var(--green-700) 100%
    );
    position: relative;
    overflow: hidden;
}

.cta-strip::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('https://images.pexels.com/photos/8363754/pexels-photo-8363754.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=600');
    background-size: cover;
    background-position: center;
    opacity: 0.06;
}

.cta-strip-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-strip-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 500;
    color: var(--white);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.cta-strip-text {
    font-size: 1rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
    margin-bottom: 36px;
}

.cta-strip-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ─── CONTACT ─── */
.contact {
    padding: 120px 0;
}

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

.contact-details {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-detail svg {
    color: var(--green-700);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-detail-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 4px;
}

.contact-detail a,
.contact-detail span {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--gray-700);
    text-decoration: none;
    line-height: 1.6;
}

.contact-detail a:hover {
    color: var(--green-800);
}

.contact-form-wrap {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--gray-500);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--gray-800);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--green-600);
    box-shadow: 0 0 0 3px rgba(82, 183, 136, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

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

.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--green-50);
    border: 1px solid var(--green-100);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--green-800);
}

.form-success.show {
    display: flex;
}

.form-success svg {
    color: var(--green-700);
    flex-shrink: 0;
}

/* ─── FOOTER ─── */
.footer {
    background: var(--gray-900);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 64px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo-icon {
    color: var(--green-500);
}

.footer-desc {
    font-size: 0.875rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.7;
    max-width: 280px;
}

.footer-heading {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.875rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--green-400);
}

.footer-contact p {
    font-size: 0.875rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.8;
    margin-bottom: 4px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-contact a:hover {
    color: var(--green-400);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.8rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.3);
}

/* ─── SCROLL REVEAL (progressive enhancement) ─── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
    .about-grid,
    .why-layout,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .why-content { order: 2; }
    .why-image { order: 1; }

    .about-image-wrap img,
    .why-image img {
        height: 480px;
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(250, 251, 249, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 32px 24px;
        gap: 24px;
        border-bottom: 1px solid var(--gray-200);
        transform: translateY(-120%);
        transition: transform 0.35s ease;
        box-shadow: var(--shadow-lg);
    }

    .nav-links.open {
        transform: translateY(0);
    }

    .nav-toggle {
        display: flex;
    }

    .hero-content {
        padding: 100px 24px 80px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .hero-stat-divider {
        width: 40px;
        height: 1px;
    }

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

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

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

    .contact-form-wrap {
        padding: 32px 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .cta-strip-actions {
        flex-direction: column;
        width: 100%;
    }

    .cta-strip-actions .btn {
        width: 100%;
    }
}