:root {
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --primary-light: #E6F0FF;
    --accent: #00D1FF;
    --accent-light: #E0F7FF;
    --dark: #0F172A;
    --white: #ffffff;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-900: #0F172A;
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow: 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);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    color: var(--gray-700);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    font-family: inherit;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: 0 8px 20px -6px rgba(0, 102, 255, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -8px rgba(0, 102, 255, 0.5);
}

.btn-secondary {
    background-color: var(--primary-light);
    color: var(--primary);
}

.btn-secondary:hover {
    background-color: #D1E4FF;
    transform: translateY(-1px);
}

.btn-text {
    background: transparent;
    color: var(--primary);
}

.btn-text:hover {
    background-color: var(--primary-light);
}

.btn-outline {
    background-color: var(--white);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

.btn-outline:hover {
    background-color: var(--gray-50);
    border-color: var(--gray-300);
}

.btn-white {
    background-color: var(--white);
    color: var(--primary);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.btn-white:hover {
    transform: scale(1.05);
}

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
    border-radius: 1rem;
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.4s ease;
}

nav.scrolled {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    box-shadow: 0 4px 20px -5px rgba(0,0,0,0.05);
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.625rem;
    font-weight: 800;
    color: var(--dark);
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
}

.logo-icon {
    width: 2.75rem;
    height: 2.75rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: 0 8px 16px -4px rgba(0, 102, 255, 0.3);
}

/* Language Selector */
.lang-selector {
    position: relative;
    margin-right: 0.5rem;
}

.lang-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 0.5rem 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    transition: all 0.3s;
}

.lang-btn:hover {
    border-color: var(--primary);
    background-color: var(--bg-light);
}

.lang-btn i {
    width: 1rem;
    height: 1rem;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 0.5rem;
    min-width: 140px;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1);
    display: none;
    flex-direction: column;
    z-index: 1000;
}

.lang-dropdown.active {
    display: flex;
}

.lang-dropdown button {
    background: none;
    border: none;
    padding: 0.625rem 1rem;
    text-align: left;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: 0.625rem;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-dropdown button:hover {
    background-color: var(--bg-light);
    color: var(--primary);
}

/* Mobile Language Selector */
.mobile-lang-selector {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.mobile-lang-selector button {
    flex: 1;
    background: none;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 0.625rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
}

.mobile-lang-selector button.active {
    border-color: var(--primary);
    background-color: var(--primary);
    color: var(--white);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.mobile-toggle {
    display: none;
    background: var(--gray-50);
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.75rem;
    display: none;
    align-items: center;
    justify-content: center;
}

.mobile-menu {
    display: none;
    background: var(--white);
    padding: 1.5rem;
    border-top: 1px solid var(--gray-100);
    flex-direction: column;
    gap: 1rem;
    box-shadow: var(--shadow-xl);
}

/* Hero */
.hero {
    position: relative;
    padding: 14rem 0 7rem;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.375rem 1rem;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.fill-star { fill: var(--primary); }
.fill-play { fill: currentColor; }

.hero h1 {
    font-size: 4.75rem;
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 1.75rem;
    letter-spacing: -0.04em;
    color: var(--dark);
}

.hero h1 span {
    background: linear-gradient(to right, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.375rem;
    color: var(--gray-500);
    margin-bottom: 3rem;
    max-width: 34rem;
    line-height: 1.6;
}

.hero-btns {
    display: flex;
    gap: 1.25rem;
}

.hero-preview {
    position: relative;
}

.preview-card {
    position: relative;
    z-index: 10;
    border-radius: 0;
    box-shadow: 0 50px 100px -15px rgba(0, 0, 0, 0.4);
    transform: rotate(3deg);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.preview-card:hover {
    transform: rotate(0deg) scale(1.02);
}

.preview-card img {
    width: 100%;
    border-radius: 0;
    display: block;
    transition: opacity 1s ease;
}

.blob {
    position: absolute;
    width: 25rem;
    height: 25rem;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.25;
    z-index: 1;
    animation: blob-anim 10s infinite alternate;
}

.blob-1 {
    top: -4rem;
    right: -4rem;
    background-color: var(--accent);
}

.blob-2 {
    bottom: -4rem;
    left: -4rem;
    background-color: var(--primary);
    animation-delay: 2s;
}

@keyframes blob-anim {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -60px) scale(1.2); }
    100% { transform: translate(-30px, 30px) scale(0.9); }
}

/* Advantages */
.section-cta-wrapper {
    display: flex;
    justify-content: center;
    margin-top: -2.5rem;
    position: relative;
    z-index: 100;
}

.btn-scroll-down {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--white);
    padding: 0.875rem 1.75rem;
    border-radius: 100px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--gray-100);
    animation: pulse-shadow 3s infinite;
}

@keyframes pulse-shadow {
    0% { box-shadow: 0 0 0 0 rgba(0, 102, 255, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(0, 102, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 102, 255, 0); }
}

.btn-scroll-down:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-xl);
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    animation: none;
}

.btn-scroll-down .icon-circle {
    width: 2rem;
    height: 2rem;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s;
}

.btn-scroll-down:hover .icon-circle {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.btn-scroll-down i {
    width: 1.125rem;
    height: 1.125rem;
    color: var(--primary);
    transition: all 0.4s;
}

.btn-scroll-down:hover i {
    color: var(--white);
}

.advantages {
    padding: 8rem 0;
    background-color: var(--gray-50);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
    color: var(--dark);
    letter-spacing: -0.02em;
}

.section-header p {
    color: var(--gray-500);
    font-size: 1.125rem;
    max-width: 42rem;
    margin: 0 auto;
}

.grid {
    display: grid;
    gap: 2.5rem;
}

.advantages-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 2rem;
    border: 1px solid var(--gray-100);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02);
    transition: all 0.4s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.08);
    border-color: var(--primary-light);
}

.icon-box {
    width: 4rem;
    height: 4rem;
    border-radius: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.75rem;
    transition: transform 0.3s ease;
}

.card:hover .icon-box {
    transform: scale(1.1) rotate(5deg);
}

.icon-box.blue { background-color: var(--primary-light); color: var(--primary); }
.icon-box.cyan { background-color: var(--accent-light); color: var(--accent); }

.card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.card p {
    color: var(--gray-500);
    line-height: 1.7;
}

/* Tutorials */
.tutorials {
    padding: 8rem 0;
}

.section-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 4rem;
    gap: 2rem;
}

.section-header-flex.white h2 { color: var(--white); }
.section-header-flex.white p { color: rgba(255, 255, 255, 0.8); }

.section-header-flex h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: var(--dark);
    letter-spacing: -0.02em;
}

.section-header-flex p {
    color: var(--gray-500);
    font-size: 1.125rem;
}

.link-more {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    transition: gap 0.3s;
}

.link-more:hover {
    gap: 0.875rem;
}

.tutorials-grid {
    grid-template-columns: repeat(3, 1fr);
}

.video-card {
    cursor: pointer;
    display: block;
    text-decoration: none;
}

.video-thumb {
    position: relative;
    aspect-ratio: 16/9;
    border-radius: 2rem;
    overflow: hidden;
    margin-bottom: 1.25rem;
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-thumb.mobile-preview {
    /* Base styles already covered by .video-thumb */
}

@media (max-width: 768px) {
    .video-thumb.mobile-preview {
        aspect-ratio: 9/16;
        max-width: 220px;
        margin-left: auto;
        margin-right: auto;
        border: 6px solid #1a1a1a;
        border-radius: 2.5rem;
        box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
    }
}

.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-card:hover .video-thumb img {
    transform: scale(1.1);
}

.play-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.4s;
}

.video-card:hover .play-overlay {
    background-color: rgba(15, 23, 42, 0.4);
}

.play-btn {
    width: 4.5rem;
    height: 4.5rem;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: 0 15px 30px -5px rgba(0,0,0,0.2);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.video-card:hover .play-btn {
    transform: scale(1.15);
    background-color: var(--white);
}

.video-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--dark);
    transition: color 0.3s;
}

.video-card:hover h3 {
    color: var(--primary);
}

/* Templates */
.templates {
    padding: 10rem 0;
    background-color: var(--white);
    color: var(--dark);
}

.carousel-outer {
    position: relative;
    width: 100%;
}

.carousel-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
    color: var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    transition: all 0.3s;
}

.carousel-nav-btn:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.carousel-nav-btn.prev { left: -1.75rem; }
.carousel-nav-btn.next { right: -1.75rem; }

.carousel-wrapper {
    overflow-x: auto;
    width: 100%;
    scroll-behavior: smooth;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.carousel-wrapper::-webkit-scrollbar {
    display: none;
}

.carousel-track {
    display: flex;
    gap: 2.5rem;
    width: max-content;
    padding-bottom: 1rem;
}

.template-card {
    flex: 0 0 20rem;
}

.template-img {
    position: relative;
    aspect-ratio: 3/4;
    background: var(--white);
    border-radius: 0;
    overflow: hidden;
    margin-bottom: 1.25rem;
    box-shadow: 0 15px 40px -2px rgba(0, 0, 0, 0.35), 0 5px 15px -5px rgba(0, 0, 0, 0.2);
    transition: all 0.5s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.template-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform 0.8s ease;
}

.template-card:hover .template-img {
    box-shadow: 0 40px 80px -15px rgba(0, 0, 0, 0.5);
    transform: translateY(-8px);
}

.template-card:hover .template-img img {
    transform: scale(1.1);
}

.template-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s;
    backdrop-filter: blur(4px);
}

.template-card:hover .template-overlay {
    opacity: 1;
}

.category-badge {
    display: none;
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    padding: 0.375rem 1rem;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.template-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    text-align: center;
    color: var(--dark);
}

/* Metrics */
.metrics {
    padding: 8rem 0;
    background-color: var(--white);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4rem;
}

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

.metric-value {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.metric-users .metric-value { color: #0066FF; }
.metric-resumes .metric-value { color: #10B981; }
.metric-letters .metric-value { color: #8B5CF6; }
.metric-success .metric-value { color: #F59E0B; }

.metric-label {
    color: var(--gray-500);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.8125rem;
}

/* Pricing */
.pricing {
    padding: 10rem 0;
    background: radial-gradient(circle at top right, var(--primary-light), transparent 40%),
                radial-gradient(circle at bottom left, var(--accent-light), transparent 40%),
                var(--gray-50);
}

.pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 900px;
    margin: 0 auto;
    gap: 2rem;
    align-items: stretch;
}

.pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--white);
    padding: 3rem 2.5rem;
    border: 1px solid var(--gray-100);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--primary);
    transform: scale(1.05);
    z-index: 10;
    box-shadow: 0 30px 60px -15px rgba(0, 102, 255, 0.15);
}

.pricing-card.popular:hover {
    transform: scale(1.08) translateY(-5px);
}

.pricing-card.popular h3,
.pricing-card.popular .amount {
    color: var(--dark);
}

.pricing-card.popular .features li {
    color: var(--gray-600);
}

.pricing-card.popular .features i {
    color: var(--accent);
}

.popular-badge {
    position: absolute;
    top: -1.125rem;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 800;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.4);
    letter-spacing: 0.1em;
}

.price {
    display: flex;
    align-items: baseline;
    gap: 0.375rem;
    margin-bottom: 2.5rem;
}

.amount {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--dark);
    letter-spacing: -0.02em;
}

.period {
    color: var(--gray-400);
    font-weight: 500;
}

.features {
    list-style: none;
    margin-bottom: 3rem;
    flex-grow: 1;
}

.features li {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--gray-600);
    margin-bottom: 1.25rem;
    font-size: 1rem;
    font-weight: 500;
}

.features i {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--accent);
}

.pricing-card .btn {
    width: 100%;
}

.pricing-card.popular .btn-primary {
    background: var(--primary);
    color: var(--white);
    border: none;
}

.pricing-card.popular .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.features i {
    color: var(--primary);
    width: 1.5rem;
}

.pricing-card .btn {
    width: 100%;
}

/* Footer */
.footer {
    padding: 6rem 0 3rem;
    background-color: var(--white);
    border-top: 1px solid var(--gray-100);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 5rem;
}

.footer-brand p {
    color: var(--gray-500);
    margin: 1.75rem 0;
    max-width: 18rem;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 1.25rem;
}

.social-links a {
    width: 2.75rem;
    height: 2.75rem;
    background-color: var(--gray-50);
    color: var(--gray-400);
    border-radius: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--primary);
    background-color: var(--primary-light);
    transform: translateY(-3px);
}

.footer-links h4, .footer-newsletter h4 {
    font-weight: 800;
    margin-bottom: 1.75rem;
    color: var(--dark);
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 1.125rem;
}

.footer-links a {
    color: var(--gray-500);
    text-decoration: none;
    transition: all 0.2s;
    font-weight: 500;
}

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

.footer-whatsapp p {
    color: var(--gray-500);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    width: 100%;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp i {
    width: 1.25rem;
    height: 1.25rem;
}

.footer-bottom {
    padding-top: 2.5rem;
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--gray-400);
    font-size: 0.9375rem;
}

.bottom-links {
    display: flex;
    gap: 2.5rem;
}

.bottom-links a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.bottom-links a:hover {
    color: var(--gray-600);
}

.footer-lang-selector {
    display: flex;
    gap: 1.25rem;
}

.footer-lang-selector button {
    background: none;
    border: none;
    color: var(--gray-400);
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    padding: 0;
    letter-spacing: 0.05em;
}

.footer-lang-selector button:hover,
.footer-lang-selector button.active {
    color: var(--primary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.modal {
    background: var(--white);
    width: 100%;
    max-width: 28rem;
    border-radius: 2rem;
    padding: 3rem;
    position: relative;
    box-shadow: 0 40px 80px -20px rgba(0,0,0,0.3);
    text-align: center;
    animation: modal-in 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modal-in {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--gray-50);
    border: none;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--gray-500);
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.modal-icon {
    width: 5rem;
    height: 5rem;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.modal-icon i { width: 2.5rem; height: 2.5rem; }

.modal h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark);
}

.modal p {
    color: var(--gray-500);
    margin-bottom: 2.5rem;
}

.modal .btn { width: 100%; }

/* Responsive */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3.75rem; }
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero p { margin-left: auto; margin-right: auto; }
    .hero-btns { justify-content: center; }
    .hero-preview { max-width: 32rem; margin: 0 auto; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .carousel-nav-btn.prev { left: 1rem; }
    .carousel-nav-btn.next { right: 1rem; }
}

@media (max-width: 768px) {
    .hide-mobile { display: none; }
    .nav-actions { display: none; }
    .mobile-toggle { display: flex; }
    .hero h1 { font-size: 3rem; }
    .hero { padding-top: 10rem; }
    .tutorials-grid { grid-template-columns: 1fr; }
    .section-header-flex {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        margin-bottom: 3rem;
    }
    .section-header-flex h2 {
        font-size: 2.25rem;
    }
    .video-card {
        text-align: center;
        margin-bottom: 3rem;
    }
    .video-thumb {
        aspect-ratio: 9/16;
        max-width: 280px;
        margin-left: auto;
        margin-right: auto;
        border-radius: 1.5rem;
    }
    .metrics-grid { grid-template-columns: 1fr 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.popular { transform: none; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 1.5rem; text-align: center; }
}