/* ===== CSS RESET & BASE ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --black: #000000;
    --neon-green: #BFFF00;
    --dark-green: #7CB342;
    --green-glow: rgba(191, 255, 0, 0.5);
    --green-glow-strong: rgba(191, 255, 0, 0.8);
    --white: #ffffff;
    --gray: #888888;
    --dark-gray: #1a1a1a;

    /* Gradients */
    --gradient-green: linear-gradient(135deg, #BFFF00 0%, #7CB342 100%);
    --gradient-green-dark: linear-gradient(135deg, #7CB342 0%, #4a7a28 100%);
    --gradient-black: linear-gradient(180deg, #000000 0%, #0a0a0a 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --section-padding: clamp(60px, 10vw, 120px);
    --container-max: 1200px;

    /* Effects */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    --blur-amount: 20px;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 24px;
    transition: all var(--transition-medium);
}

.navbar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border-bottom: 1px solid rgba(191, 255, 0, 0.1);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.navbar.scrolled::before {
    opacity: 1;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--neon-green);
    letter-spacing: -0.02em;
    text-shadow: 0 0 20px var(--green-glow);
    transition: text-shadow var(--transition-medium);
}

.logo:hover {
    text-shadow: 0 0 30px var(--green-glow-strong);
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-green);
    transition: width var(--transition-medium);
}

.nav-link:hover {
    color: var(--white);
}

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

.nav-cta {
    padding: 10px 24px;
    background: var(--gradient-green);
    color: var(--black);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 50px;
    box-shadow: 0 0 20px var(--green-glow);
    transition: all var(--transition-medium);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--green-glow-strong), 0 10px 30px rgba(0, 0, 0, 0.3);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.gradient-mesh {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(191, 255, 0, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(124, 179, 66, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse 70% 50% at 20% 100%, rgba(191, 255, 0, 0.08) 0%, transparent 40%);
    animation: meshMove 15s ease-in-out infinite;
    will-change: transform;
}

@keyframes meshMove {

    0%,
    100% {
        transform: scale(1) rotate(0deg);
    }

    25% {
        transform: scale(1.05) rotate(1deg);
    }

    50% {
        transform: scale(1.02) rotate(-1deg);
    }

    75% {
        transform: scale(1.08) rotate(0.5deg);
    }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    width: 100%;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
    background: linear-gradient(180deg, #ffffff 0%, #cccccc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--neon-green);
    margin-bottom: 48px;
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 0 30px var(--green-glow);
}

/* VSL Player */
.vsl-container {
    margin-bottom: 48px;
}

.vsl-player {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 2px solid rgba(191, 255, 0, 0.3);
    box-shadow: 0 0 40px var(--green-glow), 0 20px 60px rgba(0, 0, 0, 0.5);
    background: var(--dark-gray);
    aspect-ratio: 16 / 9;
    height: auto;
}

.vsl-player video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.vsl-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    transition: opacity var(--transition-medium);
    cursor: pointer;
}

.vsl-player.playing .vsl-overlay {
    opacity: 0;
    pointer-events: none;
}

.play-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-green);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
    box-shadow: 0 0 30px var(--green-glow);
}

.play-btn svg {
    width: 32px;
    height: 32px;
    color: var(--black);
    margin-left: 4px;
}

.play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 50px var(--green-glow-strong);
}

.vsl-player iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* Hero CTA */
.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 40px;
    background: var(--gradient-green);
    color: var(--black);
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 50px;
    box-shadow: 0 0 30px var(--green-glow);
    transition: all var(--transition-medium);
}

.hero-cta svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 50px var(--green-glow-strong), 0 15px 40px rgba(0, 0, 0, 0.3);
}

.hero-cta:hover svg {
    transform: translateX(4px);
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--section-padding) 0;
    position: relative;
    background: linear-gradient(180deg, var(--black) 0%, #050505 100%);
    overflow: hidden;
    content-visibility: auto;
    contain-intrinsic-size: auto 800px;
}

.particles-bg {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(rgba(191, 255, 0, 0.15) 1px, transparent 1px),
        radial-gradient(rgba(191, 255, 0, 0.1) 1px, transparent 1px);
    background-size: 50px 50px, 80px 80px;
    background-position: 0 0, 25px 25px;
    animation: particleFloat 20s linear infinite;
    opacity: 0.5;
    will-change: transform;
}

@keyframes particleFloat {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(-50px);
    }
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-green);
    border-radius: 2px;
    box-shadow: 0 0 20px var(--green-glow);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.about-card {
    background: rgba(10, 10, 10, 0.85);
    border: 1px solid rgba(191, 255, 0, 0.2);
    border-radius: var(--border-radius);
    padding: 32px;
    text-align: center;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    contain: layout style paint;
}

.about-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(191, 255, 0, 0.1) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.about-card:hover {
    transform: translateY(-8px);
    border-color: rgba(191, 255, 0, 0.5);
    box-shadow: 0 0 40px var(--green-glow), 0 20px 40px rgba(0, 0, 0, 0.4);
}

.about-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-green);
    border-radius: 16px;
    box-shadow: 0 0 20px var(--green-glow);
}

.card-icon svg {
    width: 32px;
    height: 32px;
    color: var(--black);
}

.about-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--white);
}

.about-card p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    padding: var(--section-padding) 0;
    background: var(--black);
    overflow: hidden;
    content-visibility: auto;
    contain-intrinsic-size: auto 700px;
}

.testimonial-carousel-wrapper {
    width: 100%;
    overflow: visible;
    padding: 40px 0;
    margin: -40px 0;
    mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}

.testimonial-carousel {
    display: flex;
    gap: 24px;
    animation: scrollCarousel 40s linear infinite;
    width: max-content;
    will-change: transform;
}

.testimonial-carousel:hover,
.testimonial-carousel.paused {
    animation-play-state: paused;
}

@keyframes scrollCarousel {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.testimonial-video {
    flex-shrink: 0;
    width: 280px;
    aspect-ratio: 9 / 16;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 2px solid rgba(191, 255, 0, 0.2);
    position: relative;
    cursor: pointer;
    transition: all var(--transition-medium);
    background: #000000;
}

.testimonial-video iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--border-radius);
    pointer-events: auto;
}

.testimonial-video:hover {
    transform: scale(1.08);
    border-color: rgba(191, 255, 0, 0.6);
    box-shadow: 0 0 40px var(--green-glow);
    z-index: 10;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: var(--section-padding) 0;
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.gradient-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 100% 80% at 50% 100%, rgba(191, 255, 0, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 80% 60% at 0% 50%, rgba(124, 179, 66, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse 80% 60% at 100% 50%, rgba(191, 255, 0, 0.1) 0%, transparent 40%);
    animation: ctaGradient 10s ease-in-out infinite alternate;
    will-change: transform, opacity;
}

@keyframes ctaGradient {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 48px;
    background: var(--gradient-green);
    color: var(--black);
    font-weight: 700;
    font-size: 1.2rem;
    border-radius: 50px;
    box-shadow: 0 0 30px var(--green-glow);
    transition: all var(--transition-medium);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 30px var(--green-glow);
    }

    50% {
        box-shadow: 0 0 50px var(--green-glow-strong), 0 0 80px var(--green-glow);
    }
}

.whatsapp-btn svg {
    width: 28px;
    height: 28px;
}

.whatsapp-btn:hover {
    transform: translateY(-4px) scale(1.02);
    animation: none;
    box-shadow: 0 0 60px var(--green-glow-strong), 0 20px 50px rgba(0, 0, 0, 0.3);
}

.urgency-text {
    margin-top: 24px;
    font-size: 0.95rem;
    color: var(--neon-green);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: fadeIn 0.5s ease-out 0.3s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* ===== FOOTER ===== */
.footer {
    background: #050505;
    padding: 60px 0 24px;
    position: relative;
}

.footer-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-green);
    box-shadow: 0 0 20px var(--green-glow);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--neon-green);
    display: inline-block;
    margin-bottom: 16px;
    text-shadow: 0 0 20px var(--green-glow);
}

.footer-tagline {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    max-width: 300px;
}

.footer-links h4,
.footer-social h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
}

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

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--neon-green);
    padding-left: 4px;
}

.social-icons {
    display: flex;
    gap: 16px;
}

.social-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-medium);
}

.social-icon svg {
    width: 20px;
    height: 20px;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.social-icon:hover {
    background: var(--gradient-green);
    border-color: transparent;
    transform: translateY(-4px);
    box-shadow: 0 0 20px var(--green-glow);
}

.social-icon:hover svg {
    color: var(--black);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(191, 255, 0, 0.6);
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===== STATS BAR ===== */
.stats-bar {
    padding: 40px 0;
    background: rgba(10, 10, 10, 0.9);
    border-top: 1px solid rgba(191, 255, 0, 0.2);
    border-bottom: 1px solid rgba(191, 255, 0, 0.2);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-number {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--neon-green);
    text-shadow: 0 0 30px var(--green-glow);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}



/* ===== COURSE HIGHLIGHTS ===== */
.course-highlights {
    padding: var(--section-padding) 0;
    background: linear-gradient(180deg, #050505 0%, var(--black) 100%);
    content-visibility: auto;
    contain-intrinsic-size: auto 700px;
}

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

.highlight-card {
    background: rgba(191, 255, 0, 0.03);
    border: 1px solid rgba(191, 255, 0, 0.15);
    border-radius: var(--border-radius);
    padding: 32px;
    text-align: center;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    contain: layout style paint;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-green);
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.highlight-card:hover {
    transform: translateY(-5px);
    border-color: rgba(191, 255, 0, 0.4);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

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

.highlight-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(191, 255, 0, 0.15);
    border-radius: 12px;
    transition: all var(--transition-medium);
}

.highlight-icon svg {
    width: 28px;
    height: 28px;
    color: var(--neon-green);
}

.highlight-card:hover .highlight-icon {
    background: var(--gradient-green);
}

.highlight-card:hover .highlight-icon svg {
    color: var(--black);
}

.highlight-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--white);
}

.highlight-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

/* ===== FAQ SECTION ===== */
.faq-section {
    padding: var(--section-padding) 0;
    background: var(--black);
    content-visibility: auto;
    contain-intrinsic-size: auto 500px;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    transition: all var(--transition-medium);
}

.faq-item:hover {
    border-color: rgba(191, 255, 0, 0.3);
}

.faq-item.active {
    border-color: rgba(191, 255, 0, 0.5);
    background: rgba(191, 255, 0, 0.05);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
}

.faq-question span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
}

.faq-icon {
    width: 20px;
    height: 20px;
    color: var(--neon-green);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* ===== GUARANTEE BADGE ===== */
.guarantee-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 32px;
    padding: 20px 32px;
    background: rgba(191, 255, 0, 0.08);
    border: 1px solid rgba(191, 255, 0, 0.25);
    border-radius: var(--border-radius);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.guarantee-icon {
    width: 48px;
    height: 48px;
    color: var(--neon-green);
    flex-shrink: 0;
}

.guarantee-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: left;
}

.guarantee-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--neon-green);
}

.guarantee-desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== FLOATING WHATSAPP BUTTON ===== */
.floating-whatsapp {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.8) translateY(20px);
    transition: all var(--transition-medium);
    animation: floatingPulse 2s ease-in-out infinite;
}

.floating-whatsapp.visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1) translateY(0);
}

.floating-whatsapp svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

.floating-whatsapp:hover {
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5), 0 12px 40px rgba(0, 0, 0, 0.4);
}

@keyframes floatingPulse {

    0%,
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 8px 32px rgba(0, 0, 0, 0.3);
    }

    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 8px 40px rgba(0, 0, 0, 0.35);
    }
}

.floating-whatsapp-tooltip {
    position: absolute;
    right: 72px;
    background: var(--dark-gray);
    color: var(--white);
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all var(--transition-fast);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.floating-whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--dark-gray);
}

.floating-whatsapp:hover .floating-whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* ===== RESPONSIVE DESIGN ===== */

/* Large Desktops (1400px and up) */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }

    .hero-content {
        max-width: 1000px;
    }

    .vsl-player {
        max-width: 900px;
    }

    .testimonial-video {
        width: 320px;
    }
}

/* Large Tablets and Small Desktops (992px - 1199px) */
@media (max-width: 1199px) {
    .container {
        padding: 0 32px;
    }

    .nav-menu {
        gap: 24px;
    }

    .hero-content {
        max-width: 800px;
    }

    .testimonial-video {
        width: 260px;
    }

    .footer-grid {
        gap: 32px;
    }
}

/* Tablets (768px - 991px) */
@media (max-width: 992px) {
    :root {
        --section-padding: clamp(50px, 8vw, 100px);
    }

    .container {
        padding: 0 24px;
    }

    .navbar {
        padding: 14px 20px;
    }

    .nav-menu {
        gap: 20px;
    }

    .nav-link {
        font-size: 0.9rem;
    }

    .nav-cta {
        padding: 8px 18px;
        font-size: 0.85rem;
    }

    .hero {
        padding: 100px 20px 70px;
        min-height: auto;
    }

    .hero-title {
        font-size: clamp(2rem, 5vw, 3.5rem);
        margin-bottom: 20px;
    }

    .hero-subtitle {
        margin-bottom: 36px;
    }

    .vsl-player {
        max-width: 100%;
        border-radius: var(--border-radius);
    }

    .play-btn {
        width: 70px;
        height: 70px;
    }

    .play-btn svg {
        width: 28px;
        height: 28px;
    }

    .hero-cta {
        padding: 14px 32px;
        font-size: 1rem;
    }

    .section-title {
        margin-bottom: 48px;
    }

    .about-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .about-card {
        padding: 28px;
    }

    .card-icon {
        width: 56px;
        height: 56px;
    }

    .card-icon svg {
        width: 28px;
        height: 28px;
    }

    .testimonial-video {
        width: 240px;
    }

    .testimonial-carousel {
        gap: 20px;
    }

    .testimonial-carousel-wrapper {
        overflow: hidden;
    }

    .cta-title {
        font-size: clamp(1.8rem, 4vw, 3rem);
    }

    .cta-subtitle {
        font-size: 1rem;
        margin-bottom: 32px;
    }

    .whatsapp-btn {
        padding: 16px 40px;
        font-size: 1.1rem;
    }

    .urgency-stats {
        margin-top: 28px;
    }

    .stat-highlight {
        font-size: 1.1rem;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-tagline {
        max-width: 400px;
    }
}

/* Mobile Landscape & Small Tablets (576px - 767px) */
@media (max-width: 768px) {
    :root {
        --section-padding: clamp(40px, 8vw, 80px);
    }

    .container {
        padding: 0 20px;
    }

    .navbar {
        padding: 12px 16px;
    }

    .logo {
        font-size: 1.3rem;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        height: 100dvh;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 28px;
        transition: right var(--transition-medium);
        border-left: 1px solid rgba(191, 255, 0, 0.2);
        z-index: 999;
    }

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

    .nav-link {
        font-size: 1.15rem;
        padding: 8px 0;
    }

    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1000;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        padding: 90px 16px 50px;
        min-height: calc(100vh - 60px);
        min-height: calc(100dvh - 60px);
    }

    .hero-title {
        font-size: clamp(1.8rem, 6vw, 2.8rem);
        margin-bottom: 16px;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 32px;
        padding: 0 8px;
    }

    .vsl-container {
        margin-bottom: 36px;
        width: 100%;
        max-width: 100%;
    }

    .vsl-player {
        border-radius: 12px;
    }

    .play-btn {
        width: 64px;
        height: 64px;
    }

    .play-btn svg {
        width: 26px;
        height: 26px;
    }

    .hero-cta {
        padding: 14px 28px;
        font-size: 0.95rem;
        gap: 10px;
    }

    .hero-cta svg {
        width: 18px;
        height: 18px;
    }

    .section-title {
        font-size: clamp(1.6rem, 5vw, 2.2rem);
        margin-bottom: 40px;
    }

    .section-title::after {
        width: 60px;
        height: 3px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .about-card {
        padding: 24px 20px;
    }

    .about-card h3 {
        font-size: 1.15rem;
    }

    .about-card p {
        font-size: 0.9rem;
    }

    .card-icon {
        width: 52px;
        height: 52px;
        margin-bottom: 16px;
        border-radius: 12px;
    }

    .card-icon svg {
        width: 26px;
        height: 26px;
    }

    .testimonial-carousel-wrapper {
        padding: 30px 0;
        margin: -30px 0;
    }

    .testimonial-video {
        width: 220px;
        border-radius: 12px;
    }

    .testimonial-carousel {
        gap: 16px;
    }

    .testimonial-carousel-wrapper {
        overflow: hidden;
    }

    .sound-icon {
        width: 42px;
        height: 42px;
    }

    .sound-icon svg {
        width: 20px;
        height: 20px;
    }

    .cta-content {
        padding: 0 8px;
    }

    .cta-title {
        font-size: clamp(1.6rem, 5vw, 2.5rem);
        margin-bottom: 12px;
    }

    .cta-subtitle {
        font-size: 0.95rem;
        margin-bottom: 28px;
    }

    .whatsapp-btn {
        padding: 14px 32px;
        font-size: 1rem;
        gap: 10px;
    }

    .whatsapp-btn svg {
        width: 24px;
        height: 24px;
    }

    .urgency-stats {
        margin-top: 24px;
        gap: 10px;
    }

    .stat-line {
        font-size: 1rem;
    }

    .stat-highlight {
        font-size: 1.1rem;
    }

    .enroll-text {
        font-size: 0.9rem;
    }

    .footer {
        padding: 48px 0 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        text-align: center;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-tagline {
        max-width: 100%;
        margin: 0 auto;
    }

    .footer-logo {
        font-size: 1.4rem;
    }

    .footer-links h4,
    .footer-social h4 {
        font-size: 0.95rem;
        margin-bottom: 16px;
    }

    .footer-links ul {
        gap: 10px;
    }

    .social-icons {
        justify-content: center;
    }

    .social-icon {
        width: 42px;
        height: 42px;
    }

    .social-icon svg {
        width: 18px;
        height: 18px;
    }

    .footer-bottom {
        padding-top: 20px;
    }

    .footer-bottom p {
        font-size: 0.8rem;
    }

    /* New conversion elements responsive */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .stat-number {
        font-size: clamp(1.75rem, 4vw, 2.5rem);
    }



    .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .highlight-card {
        padding: 24px;
    }

    .highlight-card h3 {
        font-size: 1rem;
    }

    .guarantee-badge {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .guarantee-text {
        text-align: center;
    }

    .floating-whatsapp {
        width: 56px;
        height: 56px;
        bottom: 20px;
        right: 20px;
    }

    .floating-whatsapp svg {
        width: 28px;
        height: 28px;
    }

    .floating-whatsapp-tooltip {
        display: none;
    }
}

/* Mobile Portrait (480px and below) */
@media (max-width: 480px) {
    :root {
        --section-padding: clamp(36px, 8vw, 60px);
    }

    .container {
        padding: 0 16px;
    }

    .navbar {
        padding: 10px 12px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .mobile-menu-btn span {
        width: 22px;
    }

    .nav-menu {
        width: 80%;
    }

    .hero {
        padding: 80px 12px 40px;
    }

    .hero-title {
        font-size: clamp(1.5rem, 7vw, 2.2rem);
        line-height: 1.15;
        margin-bottom: 14px;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        margin-bottom: 24px;
        line-height: 1.5;
    }

    .vsl-container {
        margin-bottom: 28px;
    }

    .vsl-player {
        width: 100%;
        max-width: 100%;
        border-radius: 10px;
        border-width: 1px;
    }

    .play-btn {
        width: 56px;
        height: 56px;
    }

    .play-btn svg {
        width: 22px;
        height: 22px;
        margin-left: 3px;
    }

    .hero-cta {
        padding: 12px 24px;
        font-size: 0.9rem;
        border-radius: 40px;
    }

    .hero-cta svg {
        width: 16px;
        height: 16px;
    }

    .section-title {
        font-size: clamp(1.4rem, 6vw, 1.8rem);
        margin-bottom: 32px;
    }

    .section-title::after {
        width: 50px;
        bottom: -8px;
    }

    .about-grid {
        gap: 14px;
    }

    .about-card {
        padding: 20px 16px;
        border-radius: 12px;
    }

    .about-card h3 {
        font-size: 1.05rem;
        margin-bottom: 8px;
    }

    .about-card p {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    .card-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 14px;
        border-radius: 10px;
    }

    .card-icon svg {
        width: 24px;
        height: 24px;
    }

    .testimonial-carousel-wrapper {
        padding: 24px 0;
        margin: -24px 0;
    }

    .testimonial-video {
        width: 180px;
        border-radius: 10px;
    }

    .testimonial-carousel {
        gap: 14px;
    }

    .testimonial-carousel-wrapper {
        overflow: hidden;
    }

    .sound-icon {
        width: 36px;
        height: 36px;
    }

    .sound-icon svg {
        width: 18px;
        height: 18px;
    }

    .cta-title {
        font-size: clamp(1.4rem, 6vw, 2rem);
    }

    .cta-subtitle {
        font-size: 0.9rem;
        margin-bottom: 24px;
        padding: 0 8px;
    }

    .whatsapp-btn {
        padding: 12px 28px;
        font-size: 0.95rem;
        border-radius: 40px;
    }

    .whatsapp-btn svg {
        width: 22px;
        height: 22px;
    }

    .urgency-stats {
        margin-top: 20px;
        gap: 8px;
    }

    .stat-line {
        font-size: 0.95rem;
    }

    .stat-highlight {
        font-size: 1rem;
    }

    .enroll-text {
        font-size: 0.85rem;
    }

    .footer {
        padding: 40px 0 16px;
    }

    .footer-grid {
        gap: 24px;
    }

    .footer-logo {
        font-size: 1.3rem;
        margin-bottom: 12px;
    }

    .footer-tagline {
        font-size: 0.85rem;
    }

    .footer-links h4,
    .footer-social h4 {
        font-size: 0.9rem;
        margin-bottom: 14px;
    }

    .footer-links a {
        font-size: 0.85rem;
    }

    .social-icons {
        gap: 14px;
    }

    .social-icon {
        width: 40px;
        height: 40px;
    }

    .footer-bottom p {
        font-size: 0.75rem;
    }
}

/* Small Mobile Devices (360px and below - iPhone SE, older devices) */
@media (max-width: 360px) {
    .container {
        padding: 0 12px;
    }

    .navbar {
        padding: 8px 10px;
    }

    .logo {
        font-size: 1.1rem;
    }

    .hero {
        padding: 70px 10px 36px;
    }

    .hero-title {
        font-size: 1.4rem;
    }

    .hero-subtitle {
        font-size: 0.85rem;
    }

    .hero-cta {
        padding: 10px 20px;
        font-size: 0.85rem;
    }

    .section-title {
        font-size: 1.3rem;
        margin-bottom: 28px;
    }

    .about-card {
        padding: 16px 14px;
    }

    .about-card h3 {
        font-size: 1rem;
    }

    .about-card p {
        font-size: 0.8rem;
    }

    .card-icon {
        width: 44px;
        height: 44px;
    }

    .card-icon svg {
        width: 22px;
        height: 22px;
    }

    .testimonial-video {
        width: 160px;
    }

    .cta-title {
        font-size: 1.3rem;
    }

    .cta-subtitle {
        font-size: 0.85rem;
    }

    .whatsapp-btn {
        padding: 10px 24px;
        font-size: 0.9rem;
    }

    .whatsapp-btn svg {
        width: 20px;
        height: 20px;
    }

    .stat-line {
        font-size: 0.9rem;
    }

    .stat-highlight {
        font-size: 0.95rem;
    }

    .footer-logo {
        font-size: 1.2rem;
    }

    .footer-tagline {
        font-size: 0.8rem;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .about-card:hover {
        transform: none;
    }

    .testimonial-video:hover {
        transform: none;
    }

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

    .whatsapp-btn:hover {
        transform: none;
        animation: pulse 2s ease-in-out infinite;
    }

    .hero-cta:hover {
        transform: none;
    }

    .nav-cta:hover {
        transform: none;
    }
}

/* Landscape Mode for Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 80px 20px 40px;
    }

    .hero-title {
        font-size: 1.8rem;
        margin-bottom: 12px;
    }

    .hero-subtitle {
        margin-bottom: 20px;
    }

    .vsl-container {
        margin-bottom: 24px;
    }

    .vsl-player {
        max-width: 60%;
    }

    .nav-menu {
        width: 50%;
        max-width: none;
    }
}

/* High Resolution Displays (Retina) */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {
    .footer-line {
        height: 0.5px;
    }

    .section-title::after {
        height: 3px;
    }
}

/* Reduced Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .gradient-mesh,
    .particles-bg,
    .gradient-overlay {
        animation: none;
    }

    .testimonial-carousel {
        animation: none;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
    }

    .testimonial-video {
        scroll-snap-align: start;
    }

    .whatsapp-btn {
        animation: none;
    }
}

/* ===== UTILITY CLASSES ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Urgency Stats in CTA */
.urgency-stats {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.stat-line {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

.stat-highlight {
    color: var(--neon-green);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 1.2rem;
    letter-spacing: 0.05em;
    animation: pulseText 2s infinite;
    text-shadow: 0 0 10px rgba(191, 255, 0, 0.3);
}

.enroll-text {
    font-size: 1rem;
    color: var(--white);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 4px;
    opacity: 0.9;
}

@keyframes pulseText {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(0.98);
    }
}