@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Montserrat:wght@400;500;600;700;800;900&display=swap');

/* Color Variables */
:root {
    --bg-primary: #050505;
    --bg-secondary: #0c0c0e;
    --bg-card: #121215;
    --bg-card-hover: #18181f;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a5;
    --color-accent: #00DCA7;
    --color-accent-dark: #00758F;
    --color-accent-light: #5EC4B7;
    --color-danger: #cf2e2e;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
}

/* Reset and base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: -0.02em;
}

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

/* Top bar style */
.top-bar {
    background: linear-gradient(90deg, var(--color-accent-dark), var(--color-accent));
    color: #000000;
    text-align: center;
    padding: 10px 15px;
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 220, 167, 0.15);
    text-transform: uppercase;
}

/* Section styling */
section {
    padding: 60px 16px;
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

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

/* Hero Section */
.hero-section {
    padding-top: 50px;
    padding-bottom: 50px;
}

.tagline {
    background-color: rgba(0, 220, 167, 0.1);
    color: var(--color-accent);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 220, 167, 0.2);
}

.hero-title {
    font-size: clamp(1.5rem, 5vw, 2.2rem);
    line-height: 1.25;
    margin-bottom: 30px;
}

.hero-image-wrapper {
    margin: 30px 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

.hero-image-wrapper:hover {
    transform: scale(1.01);
    border-color: rgba(0, 220, 167, 0.3);
}

.hero-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

.hero-sub {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-accent-light);
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 800px;
    margin: 0 auto 30px;
}

/* Gradient text */
.gradiente {
    background: -webkit-linear-gradient(45deg, var(--color-accent-dark), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Call to Action Button */
.btn-cta {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: #000000;
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.15rem;
    padding: 18px 36px;
    border-radius: 50px;
    display: inline-block;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0, 220, 167, 0.3);
    transition: var(--transition-smooth);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    animation: pulse 2s infinite;
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 220, 167, 0.5);
    color: #ffffff;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 220, 167, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(0, 220, 167, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 220, 167, 0);
    }
}

.btn-subtext {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 10px;
    display: block;
}

/* Letter Section */
.letter-section {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 30px 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.letter-title {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--color-accent);
}

.letter-content p {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.1rem;
    text-align: left;
}

/* Grid layout for cards */
.grid-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 40px;
}

@media(min-width: 768px) {
    .grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

.grid-3-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 40px;
}

@media(min-width: 768px) {
    .grid-3-col {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Cards styling */
.info-card {
    background-color: var(--bg-card);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
    text-align: left;
    display: flex;
    flex-direction: column;
}

.info-card:hover {
    transform: translateY(-5px);
    background-color: var(--bg-card-hover);
    border-color: rgba(0, 220, 167, 0.2);
}

.info-card-icon {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--color-accent);
}

.info-card-title {
    font-size: 1.25rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.info-card-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* List details */
.myth-list {
    margin: 40px auto;
    max-width: 800px;
    text-align: left;
}

.myth-item {
    background-color: rgba(207, 46, 46, 0.05);
    border-left: 4px solid var(--color-danger);
    padding: 20px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    margin-bottom: 20px;
}

.myth-title {
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: #ff6b6b;
}

.myth-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Carousel component */
.carousel-section {
    background-color: var(--bg-secondary);
    padding-left: 0;
    padding-right: 0;
    max-width: 100% !important;
    overflow: hidden;
}

.carousel-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    overflow: hidden;
}

.carousel-heading {
    margin-bottom: 40px;
    text-align: center;
}

.carousel-slider-wrapper {
    overflow: hidden;
    position: relative;
    border-radius: var(--border-radius);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    flex: 0 0 100%;
    padding: 10px;
}

@media(min-width: 576px) {
    .carousel-slide-preview {
        flex: 0 0 50%;
    }
}

@media(min-width: 768px) {
    .carousel-slide-preview {
        flex: 0 0 33.333%;
    }
}

@media(min-width: 992px) {
    .carousel-slide-preview {
        flex: 0 0 25%;
    }
}

.carousel-slide-inner {
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background-color: var(--bg-card);
    transition: var(--transition-smooth);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.carousel-slide-inner:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
}

.carousel-slide img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Carousel Controls */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: rgba(18, 18, 21, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-smooth);
}

.carousel-btn:hover {
    background-color: var(--color-accent);
    color: #000000;
    border-color: var(--color-accent);
}

.carousel-btn.prev {
    left: 10px;
}

.carousel-btn.next {
    right: 10px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 25px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.carousel-dot.active {
    background-color: var(--color-accent);
    width: 24px;
    border-radius: 4px;
}

/* Bonus Grid */
.bonus-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 45px;
}

@media(min-width: 600px) {
    .bonus-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media(min-width: 900px) {
    .bonus-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.bonus-card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transition-smooth);
}

.bonus-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: 0 10px 25px rgba(0, 220, 167, 0.1);
}

.bonus-card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.bonus-card-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.bonus-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.bonus-card-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 15px;
    flex-grow: 1;
}

.bonus-card-pricing {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 15px;
}

.bonus-old-price {
    font-size: 0.8rem;
    color: var(--color-danger);
    text-decoration: line-through;
}

.bonus-free-badge {
    background-color: var(--color-accent);
    color: #000000;
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 4px;
}

/* Pricing Section */
.pricing-section {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 60px 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin: 50px auto;
}

.pricing-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 40px;
    justify-content: center;
}

@media(min-width: 768px) {
    .pricing-container {
        flex-direction: row;
        align-items: flex-start;
    }
}

.pricing-card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transition-smooth);
}

.pricing-card.premium {
    border: 2px solid var(--color-accent);
    transform: scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 220, 167, 0.15);
}

@media(max-width: 767px) {
    .pricing-card.premium {
        transform: scale(1);
    }
}

.pricing-card:hover {
    border-color: var(--color-accent);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
    color: #000000;
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 0.75rem;
    padding: 6px 15px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-card-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    text-align: center;
}

.pricing-card-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 25px;
}

.pricing-card-prices {
    text-align: center;
    margin-bottom: 30px;
}

.old-price {
    font-size: 1rem;
    color: var(--text-secondary);
    text-decoration: line-through;
    margin-bottom: 5px;
}

.new-price-sub {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.new-price {
    font-size: 2.2rem;
    font-family: var(--font-heading);
    font-weight: 900;
    color: var(--color-accent);
    line-height: 1;
    margin: 5px 0;
}

.pricing-features-list {
    list-style: none;
    margin-bottom: 35px;
    flex-grow: 1;
}

.pricing-features-list li {
    margin-bottom: 12px;
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.pricing-features-list li::before {
    content: "✓";
    color: var(--color-accent);
    font-weight: bold;
}

.pricing-features-list li.bold-feature {
    font-weight: 700;
    color: var(--color-accent-light);
}

.pricing-btn {
    width: 100%;
    padding: 15px 25px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1rem;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-transform: uppercase;
}

.pricing-btn.basic {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.pricing-btn.basic:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: #ffffff;
}

.pricing-btn.premium {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: #000000;
    box-shadow: 0 10px 20px rgba(0, 220, 167, 0.2);
}

.pricing-btn.premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0, 220, 167, 0.4);
}

/* FAQ Section */
.faq-section {
    max-width: 800px;
}

.faq-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 40px;
}

.faq-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background-color: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-question {
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: 1.05rem;
    cursor: pointer;
    user-select: none;
}

.faq-question::after {
    content: "+";
    font-size: 1.5rem;
    color: var(--color-accent);
    transition: var(--transition-smooth);
}

.faq-item.active {
    border-color: rgba(0, 220, 167, 0.3);
}

.faq-item.active .faq-question::after {
    content: "−";
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 25px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    transition: max-height 0.4s ease-in-out, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 20px;
    transition: max-height 0.4s ease-in-out, padding 0.3s ease;
}


footer {
    background-color: #000000;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 40px 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

footer p {
    max-width: 800px;
    margin: 0 auto 20px;
    line-height: 1.8;
}

footer .copyright {
    color: var(--text-primary);
    font-weight: 600;
}

/* ==============================================
   MOBILE-FIRST RESPONSIVE IMPROVEMENTS
   ============================================== */

/* ---- Small screens (max 480px) ---- */
@media (max-width: 480px) {

    /* Top bar */
    .top-bar {
        font-size: 0.72rem;
        padding: 9px 10px;
        letter-spacing: 0.02em;
    }

    /* Sections */
    section {
        padding: 48px 14px;
    }

    /* Hero */
    .hero-section {
        padding-top: 32px;
        padding-bottom: 32px;
    }

    .tagline {
        font-size: 0.78rem;
        padding: 5px 12px;
    }

    .hero-title {
        font-size: 1.45rem;
        line-height: 1.3;
        margin-bottom: 20px;
    }

    .hero-sub {
        font-size: 1.05rem;
    }

    .hero-desc {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }

    /* CTA Button */
    .btn-cta {
        font-size: 0.95rem;
        padding: 16px 24px;
        width: 100%;
        display: block;
        text-align: center;
    }

    /* Letter section */
    .letter-section {
        padding: 24px 16px;
        border-radius: 10px;
    }

    .letter-title {
        font-size: 1.2rem;
    }

    .letter-content p {
        font-size: 0.95rem;
    }

    /* Section headings */
    h2 {
        font-size: 1.35rem;
    }

    /* Info cards */
    .info-card {
        padding: 20px 16px;
    }

    .info-card-icon {
        font-size: 1.6rem;
    }

    .info-card-title {
        font-size: 1.05rem;
    }

    /* Myth items */
    .myth-item {
        padding: 14px 14px;
    }

    .myth-title {
        font-size: 0.95rem;
    }

    /* Carousel */
    .carousel-container {
        padding: 0 10px;
    }

    .carousel-btn {
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
    }

    .carousel-btn.prev { left: 4px; }
    .carousel-btn.next { right: 4px; }

    /* Bonus grid */
    .bonus-card-img {
        height: 150px;
    }

    .bonus-card-title {
        font-size: 0.95rem;
    }

    /* Pricing */
    .pricing-section {
        padding: 36px 14px;
    }

    .pricing-card {
        padding: 28px 18px;
    }

    .new-price {
        font-size: 1.8rem;
    }

    .pricing-btn {
        font-size: 0.88rem;
        padding: 14px 18px;
    }

    /* FAQ */
    .faq-section {
        padding: 48px 14px;
    }

    .faq-title {
        font-size: 1.5rem;
    }

    .faq-question {
        font-size: 0.92rem;
        padding: 16px 18px;
    }

    .faq-answer {
        padding: 0 18px;
        font-size: 0.88rem;
    }

    .faq-item.active .faq-answer {
        padding-bottom: 16px;
    }

    /* Footer */
    footer {
        padding: 30px 14px;
        font-size: 0.75rem;
    }
}

/* ---- Medium mobile (481px–767px) ---- */
@media (min-width: 481px) and (max-width: 767px) {

    section {
        padding: 56px 18px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-sub {
        font-size: 1.15rem;
    }

    .btn-cta {
        font-size: 1rem;
        padding: 17px 28px;
    }

    .letter-section {
        padding: 28px 22px;
    }

    h2 {
        font-size: 1.55rem;
    }

    .pricing-card {
        padding: 32px 22px;
    }

    .faq-title {
        font-size: 1.7rem;
    }
}

/* ---- Ensure images don't overflow ---- */
img {
    max-width: 100%;
    height: auto;
}

/* ---- Touch-friendly minimum tap target ---- */
.btn-cta,
.pricing-btn,
.carousel-btn,
.faq-question {
    min-height: 44px;
}

/* ---- Pricing card premium no scale on mobile (already handled, reinforce) ---- */
@media (max-width: 767px) {
    .pricing-card.premium {
        transform: none;
        margin-top: 0;
    }

    .pricing-container {
        gap: 20px;
    }

    .bonus-grid {
        gap: 16px;
    }

    .grid-container,
    .grid-3-col {
        gap: 16px;
    }

    .myth-list {
        margin: 24px auto;
    }
}