:root {
    --primary: #0F172A;
    --accent: #2563EB;
    --accent-hover: #1D4ED8;
    --secondary: #F59E0B;
    --bg-main: #FFFFFF;
    --bg-light: #F8FAFC;
    --text-main: #334155;
    --text-heading: #0F172A;
    --surface: #FFFFFF;
    --border: #E2E8F0;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-size-base: 1.3rem;
    --nav-height: 90px;
    --slogan-height: 40px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
    overflow-x: hidden;
    width: 100%;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-heading);
    line-height: 1.3;
    word-break: break-word;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.2rem); font-weight: 600; letter-spacing: -0.02em; }
h2 { font-size: clamp(2.2rem, 5vw, 2.8rem); font-weight: 600; }
h3 { font-size: 1.8rem; font-weight: 600; }

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img, video, iframe { max-width: 100%; height: auto; display: block; }

.container {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding { padding: 7rem 0; }
.bg-light { background-color: var(--bg-light); }
.bg-primary { background-color: var(--primary); }
.text-white h2, .text-white p { color: #FFFFFF; }
.text-accent { color: var(--accent); }
.text-secondary { color: var(--secondary); }

.lead-text {
    font-size: 1.45rem;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.1rem 2.2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-size: 1.2rem;
    text-align: center;
}

.btn-lg { padding: 1.2rem 2.4rem; font-size: 1.3rem; }
.btn-primary { background-color: var(--accent); color: #FFFFFF; box-shadow: var(--shadow-md); }
.btn-primary:hover { background-color: var(--accent-hover); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-secondary { background-color: #25D366; color: #FFFFFF; box-shadow: var(--shadow-md); }
.btn-secondary:hover { background-color: #1EBE5A; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline { border-color: var(--accent); color: var(--accent); background: transparent; }
.btn-outline:hover { background-color: var(--accent); color: #FFFFFF; }
.btn-block { width: 100%; }

.top-slogan {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--slogan-height);
    background: var(--primary);
    display: flex;
    align-items: center;
    overflow: hidden;
    z-index: 1001;
}

.marquee-track {
    display: flex;
    white-space: nowrap;
    animation: marquee 25s linear infinite;
}

.marquee-text {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: #FFFFFF;
    padding-right: 1rem;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

#navbar {
    position: fixed;
    top: var(--slogan-height);
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    transition: top 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s;
}

#navbar.scrolled {
    top: 0;
    box-shadow: var(--shadow-sm);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.brand {
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    font-weight: 800;
    color: var(--primary);
}

.nav-links { display: flex; gap: 2.5rem; }
.nav-links a { font-weight: 500; font-size: 1.2rem; transition: color 0.2s; }
.nav-links a:hover { color: var(--accent); }
.mobile-toggle { display: none; background: none; border: none; color: var(--primary); cursor: pointer; }

.hero {
    padding-top: calc(var(--slogan-height) + var(--nav-height) + 5rem);
    padding-bottom: 5rem;
    overflow: hidden;
}

.hero-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 5rem; align-items: center; }
.hero h1 { margin-bottom: 2rem; }
.hero-subtitle { font-size: 1.4rem; margin-bottom: 3rem; max-width: 95%; }
.hero-ctas { display: flex; gap: 1.5rem; flex-wrap: wrap; }

.rating-badge {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    background: var(--bg-light);
    padding: 0.6rem 1.2rem;
    border-radius: 3rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
    font-size: 1.2rem;
}

.stars { color: var(--secondary); font-size: 1.3rem; letter-spacing: 2px; }
.hero-image-frame { position: relative; display: flex; justify-content: center; align-items: center; width: 100%; margin: 0 auto; }
.hero-img-framed { border-radius: 50%; width: 100%; max-width: 380px; aspect-ratio: 1/1; object-fit: cover; border: 10px solid var(--accent); box-shadow: var(--shadow-lg); }

.floating-badge {
    position: absolute;
    background: var(--surface);
    padding: 1.1rem 1.6rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    animation: float 3s ease-in-out infinite;
}

.hero-floating { bottom: -1rem; left: -2rem; }
.stat-number { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat-label { font-size: 1.1rem; font-weight: 600; color: var(--text-main); }

@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.stats { background-color: var(--primary); color: #FFFFFF; padding: 3.5rem 0; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 3rem; text-align: center; }
.stat-card h3 { font-size: 3rem; color: #FFFFFF; margin-bottom: 0.5rem; }
.stat-card p { color: #94A3B8; font-weight: 500; text-transform: uppercase; letter-spacing: 1.5px; font-size: 1.1rem; }

.section-header { text-align: center; max-width: 800px; margin: 0 auto 5rem; }
.section-header h2 { margin-bottom: 1.5rem; }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 3rem; }
.feature-card { background: var(--surface); padding: 3rem 2.5rem; border-radius: 1.5rem; box-shadow: var(--shadow-md); transition: var(--transition); border: 1px solid var(--border); }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.icon-wrapper { font-size: 3rem; margin-bottom: 2rem; display: inline-block; background: var(--bg-light); width: 90px; height: 90px; line-height: 90px; text-align: center; border-radius: 1.2rem; }
.feature-card h3 { font-size: 1.5rem; margin-bottom: 1.5rem; }
.feature-card p { font-size: 1.3rem; }

.split-layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: 6rem; }
.align-center { align-items: center; }
.image-box.align-right { display: flex; justify-content: flex-end; }
.content-box p { margin-bottom: 1.5rem; font-size: 1.35rem; }
.large-font { font-size: 1.45rem !important; }
.image-frame-about { border-radius: 50%; width: 100%; max-width: 320px; aspect-ratio: 1/1; overflow: hidden; border: 8px solid var(--border); }
.framed-img { width: 100%; height: 100%; object-fit: cover; }

.course-details-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 3rem; }
.course-card { background: var(--surface); padding: 3rem; border-radius: 1.5rem; border: 1px solid var(--border); }
.highlight-card { background: var(--primary); color: #FFFFFF; border: none; }
.highlight-card h3 { color: #FFFFFF; border-bottom-color: rgba(255,255,255,0.1); }
.highlight-card .feature-list li::before { color: var(--secondary); }
.course-card h3 { font-size: 1.6rem; margin-bottom: 2rem; padding-bottom: 1.2rem; border-bottom: 2px solid var(--bg-light); }
.large-list li { font-size: 1.35rem; margin-bottom: 1.2rem; line-height: 1.6; }
.timing-list li { display: flex; flex-direction: column; }
.strict-text { color: var(--accent); font-weight: 600; display: block; margin-top: 0.5rem; }
.feature-list li { flex-direction: row; align-items: flex-start; gap: 1rem; display: flex; }
.feature-list li::before { content: "✓"; color: var(--accent); font-weight: bold; font-size: 1.4rem; }
.timing-list strong { font-size: 1.3rem; }

.media-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 3rem; }
.media-card { background: var(--surface); border-radius: 1.5rem; overflow: hidden; box-shadow: var(--shadow-md); display: flex; flex-direction: column; }
.media-card h3 { padding: 2rem; font-size: 1.5rem; border-bottom: 1px solid var(--border); }
.media-wrapper { position: relative; width: 100%; }
.aspect-auto { height: 100%; }
.aspect-auto img { height: 100%; object-fit: cover; }
.video-wrapper { padding-top: 56.25%; }
.video-wrapper iframe, .media-wrapper video { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

.review-card { background: rgba(255, 255, 255, 0.05); padding: 3rem; border-radius: 1.5rem; border: 1px solid rgba(255, 255, 255, 0.1); }
.large-review { font-size: 1.35rem; }
.review-text { font-size: 1.35rem; font-style: italic; margin: 2rem 0; color: #E2E8F0; line-height: 1.8; }
.reviewer { font-weight: 600; color: #FFFFFF; font-size: 1.2rem; }

.faq-container { max-width: 900px; }
.accordion-item { background: var(--surface); border: 1px solid var(--border); border-radius: 0.8rem; margin-bottom: 1.2rem; overflow: hidden; }
.larger-question { font-size: 1.4rem; padding: 2rem; }
.accordion-header { width: 100%; text-align: left; background: none; border: none; font-family: var(--font-heading); font-weight: 600; color: var(--text-heading); cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: var(--transition); }
.accordion-header:hover { background: var(--bg-light); }
.accordion-content { max-height: 0; overflow: hidden; padding: 0 2rem; transition: max-height 0.3s ease-out, padding 0.3s ease; }
.accordion-content p { font-size: 1.35rem; }
.accordion-item.active .accordion-content { padding: 0 2rem 2rem; max-height: 600px; }
.accordion-item.active .icon { transform: rotate(45deg); }
.icon { font-size: 1.8rem; transition: transform 0.3s ease; }

.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; background: var(--surface); border-radius: 2rem; box-shadow: var(--shadow-lg); overflow: hidden; }
.contact-info { padding: 5rem; background: var(--primary); color: #FFFFFF; }
.contact-info h2 { color: #FFFFFF; margin-bottom: 1.5rem; }
.contact-details { margin: 4rem 0; }
.larger-contact p, .larger-contact h4 { font-size: 1.3rem; }
.detail-item { display: flex; gap: 2rem; margin-bottom: 2.5rem; }
.detail-item h4 { color: #94A3B8; margin-bottom: 0.75rem; }
.detail-item p, .detail-item address { font-style: normal; color: #FFFFFF; line-height: 1.8; }
.larger-address { font-size: 1.3rem; }
.contact-form { padding: 5rem; }
.contact-form h3 { font-size: 2.2rem; margin-bottom: 3rem; }
.larger-form label { font-size: 1.3rem; }
.form-group { margin-bottom: 2rem; }
.form-group label { display: block; font-weight: 500; margin-bottom: 0.75rem; color: var(--text-heading); }
.form-group input, .form-group textarea { width: 100%; padding: 1.2rem; border: 1px solid var(--border); border-radius: 0.8rem; font-family: var(--font-body); font-size: 1.2rem; transition: var(--transition); }
.form-group input:focus, .form-group textarea:focus, select:focus { outline: none; border-color: var(--accent) !important; box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1); }

footer { background: #020617; color: #94A3B8; padding: 5rem 0 3rem; border-top: 1px solid rgba(255,255,255,0.1); }
.footer-content { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 3rem; }
.footer-brand h2 { color: #FFFFFF; margin-bottom: 0.75rem; }
.large-footer-p { font-size: 1.3rem; }
.footer-links p { font-size: 1.2rem; }

.floating-whatsapp { position: fixed; bottom: 2.5rem; right: 2.5rem; background-color: #25D366; width: 70px; height: 70px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); z-index: 1000; transition: var(--transition); }
.floating-whatsapp:hover { transform: scale(1.1); background-color: #1EBE5A; }
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.reveal.active { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.2s; }

@media (max-width: 1200px) {
    .container { padding: 0 3rem; }
}

@media (max-width: 1000px) {
    .mobile-toggle { display: block; }
    .nav-links, .nav-cta { display: none; }
    .nav-links.active { display: flex; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; width: 100%; background: var(--surface); padding: 3rem; box-shadow: var(--shadow-md); text-align: center; }
    .hero-grid, .split-layout, .contact-wrapper { grid-template-columns: 1fr; gap: 4rem; }
    .hero-content { order: 2; text-align: center; }
    .hero-image-frame { order: 1; }
    .hero-ctas { justify-content: center; }
    .hero-floating { left: 50%; transform: translateX(-50%); bottom: -2rem; }
    .image-box.align-right { justify-content: center; margin-top: 1rem; }
    .content-box { text-align: center; }
    .contact-info, .contact-form { padding: 4rem 3rem; }
}

@media (max-width: 768px) {
    .container { padding: 0 1.5rem; }
    .section-padding { padding: 4rem 0; }
    .contact-info, .contact-form { padding: 3rem 1.5rem; }
    .stat-number { font-size: 1.8rem; }
    .stat-label { font-size: 1rem; }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 1.1rem;
        --slogan-height: 35px;
    }
    .marquee-text { font-size: 0.95rem; }
    .hero h1 { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1.15rem; }
    .stats-grid { gap: 1.5rem; }
    .feature-card, .course-card, .review-card { padding: 2.5rem 1.2rem; }
    .grid-3, .course-details-grid, .media-grid { gap: 2rem; }
    .hero-floating { position: relative; bottom: auto; left: auto; transform: none; margin-top: -2rem; margin-bottom: 2rem; padding: 1rem; width: 85%; margin-left: auto; margin-right: auto; text-align: center; z-index: 10; }
    .btn { padding: 0.8rem 1.5rem; font-size: 1.1rem; }
    .btn-lg { padding: 1rem 1.8rem; font-size: 1.2rem; }
    .hero-ctas { flex-direction: column; width: 100%; }
    .hero-ctas .btn { width: 100%; }
    .larger-question { padding: 1.5rem; font-size: 1.2rem; }
    .contact-wrapper, .split-layout { gap: 2rem; }
    .contact-info, .contact-form { padding: 2.5rem 1.2rem; }
    .detail-item { flex-direction: column; gap: 0.75rem; text-align: center; align-items: center; }
}

@media (max-width: 350px) {
    :root { --font-size-base: 1rem; }
    .hero h1 { font-size: 1.8rem; }
    h2 { font-size: 1.6rem; }
    .rating-badge { justify-content: center; }
    .container { padding: 0 1rem; }
    .feature-card, .course-card, .review-card { padding: 1.5rem 1rem; }
    .contact-info, .contact-form { padding: 2rem 1rem; }
    .hero-floating { width: 100%; padding: 0.8rem; }
    .floating-whatsapp { width: 50px; height: 50px; bottom: 1rem; right: 1rem; }
    .floating-whatsapp svg { width: 24px; height: 24px; }
}