/* ===================================
   DESIGN SYSTEM & CSS VARIABLES
   =================================== */

:root {
    --primary-400: #38bdf8;
    --primary-500: #0ea5e9;
    --accent-500: #a855f7;
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;
    --neutral-950: #020617;
    --success: #10b981;
    --gradient-primary: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-500) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(14, 165, 233, 0.15) 0%, rgba(168, 85, 247, 0.15) 100%);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.3);
    --transition-base: 250ms ease;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--neutral-100);
    background: var(--neutral-950);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-400);
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(1.875rem, 5vw, 2.25rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--neutral-400);
    max-width: 600px;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header .section-subtitle {
    margin: 0 auto;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-full {
    width: 100%;
}

.btn-arrow {
    width: 18px;
    height: 18px;
    transition: var(--transition-base);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* NAVIGATION */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 800;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--neutral-300);
}

.nav-links a:hover {
    color: var(--primary-400);
}

.nav-cta {
    padding: 0.5rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 0.5rem;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 2px;
}

@media (max-width: 768px) {

    .nav-links,
    .nav-cta {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }
}

/* HERO */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 0;
    overflow: hidden;
}

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

.hero-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(14, 165, 233, 0.15) 0%, transparent 60%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 50% at 50% 50%, black, transparent);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    padding-top: 4rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--success);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: clamp(1.875rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--neutral-400);
    max-width: 600px;
    margin-bottom: 2rem;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.875rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--neutral-500);
}

.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    display: none;
}

@media (min-width: 1024px) {
    .hero-visual {
        display: block;
    }
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 500;
    animation: float 6s ease-in-out infinite;
}

.floating-card .card-icon {
    font-size: 1.25rem;
}

.card-1 {
    top: 0;
    right: 0;
}

.card-2 {
    top: 100px;
    right: -40px;
    animation-delay: 2s;
}

.card-3 {
    top: 200px;
    right: 20px;
    animation-delay: 4s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* SERVICES */
.services {
    padding: 6rem 0;
    background: var(--neutral-900);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    position: relative;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-2xl);
    transition: var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: var(--shadow-glow);
}

.service-card.featured {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border-color: rgba(14, 165, 233, 0.3);
}

.featured-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    padding: 0.25rem 1rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.service-icon-wrapper {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-glow);
    border-radius: var(--radius-xl);
    margin-bottom: 1.5rem;
}

.service-icon {
    font-size: 1.875rem;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.service-description {
    font-size: 0.875rem;
    color: var(--neutral-400);
    margin-bottom: 1.5rem;
}

.service-list {
    margin-bottom: 2rem;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    font-size: 0.875rem;
    color: var(--neutral-300);
}

.check-icon {
    color: var(--success);
    font-weight: bold;
}

.service-price {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.price-label {
    font-size: 0.875rem;
    color: var(--neutral-500);
}

.price-value {
    font-size: 1.875rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.service-cta {
    display: inline-flex;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-400);
}

.service-cta:hover {
    color: var(--primary-400);
    gap: 0.5rem;
}

/* ABOUT */
.about {
    padding: 6rem 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.about-text {
    font-size: 1.125rem;
    color: var(--neutral-300);
    margin-bottom: 2rem;
}

.features-list {
    display: grid;
    gap: 1.5rem;
}

.feature {
    display: flex;
    gap: 1.5rem;
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-glow);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.feature-content p {
    font-size: 0.875rem;
    color: var(--neutral-400);
}

.about-visual {
    position: relative;
}

.about-image {
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.image-placeholder {
    aspect-ratio: 4/5;
    background: var(--gradient-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
}

.about-card {
    position: absolute;
    bottom: -20px;
    right: -20px;
    padding: 1.5rem;
    background: var(--neutral-800);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
}

.about-card-number {
    display: block;
    font-size: 1.875rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-card-text {
    font-size: 0.875rem;
    color: var(--neutral-400);
}

/* TESTIMONIALS */
.testimonials {
    padding: 6rem 0;
    background: var(--neutral-900);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-2xl);
    transition: var(--transition-base);
}

.testimonial-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.testimonial-rating {
    color: #fbbf24;
    font-size: 1.125rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--neutral-300);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.875rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    font-size: 0.875rem;
}

.author-role {
    font-size: 0.75rem;
    color: var(--neutral-500);
}

/* CONTACT */
.contact {
    padding: 6rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-text {
    font-size: 1.125rem;
    color: var(--neutral-400);
    margin-bottom: 2rem;
}

.contact-methods {
    display: grid;
    gap: 1rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.contact-method:hover {
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

.contact-method.whatsapp {
    background: rgba(37, 211, 102, 0.1);
    border-color: rgba(37, 211, 102, 0.3);
}

.method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-glow);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
}

.method-info {
    display: flex;
    flex-direction: column;
}

.method-label {
    font-size: 0.75rem;
    color: var(--neutral-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.method-value {
    font-weight: 600;
}

.contact-form-wrapper {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-2xl);
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--neutral-300);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 1rem;
    color: white;
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--neutral-500);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--neutral-800);
}

/* FOOTER */
.footer {
    padding: 3rem 0 1.5rem;
    background: var(--neutral-900);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand .logo {
    margin-bottom: 0.5rem;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--neutral-500);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--neutral-400);
}

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

.footer-social {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    font-size: 0.875rem;
    color: var(--neutral-400);
}

.social-link:hover {
    color: var(--primary-400);
}

.footer-bottom {
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--neutral-600);
}

@media (max-width: 640px) {
    .section-title {
        font-size: 1.875rem;
    }

    .service-card,
    .testimonial-card,
    .contact-form-wrapper {
        padding: 1.5rem;
    }

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

/* CHAT WIDGET */
.chat-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    font-family: 'Inter', sans-serif;
}

.chat-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.chat-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(14, 165, 233, 0.5);
}

.chat-icon,
.chat-close {
    font-size: 24px;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.chat-close {
    position: absolute;
    opacity: 0;
    transform: rotate(-90deg);
    color: white;
    font-weight: bold;
}

.chat-widget.open .chat-icon {
    opacity: 0;
    transform: rotate(90deg);
}

.chat-widget.open .chat-close {
    opacity: 1;
    transform: rotate(0);
}

.chat-container {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    max-width: calc(100vw - 48px);
    height: 500px;
    max-height: calc(100vh - 120px);
    background: var(--neutral-800);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.chat-widget.open .chat-container {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.chat-header {
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    font-size: 28px;
}

.chat-title {
    font-weight: 700;
    font-size: 16px;
    display: block;
}

.chat-status {
    font-size: 12px;
    color: #4ade80;
}

.chat-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--neutral-900);
}

.chat-message {
    max-width: 85%;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
    animation: messageIn 0.3s ease;
}

@keyframes messageIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.chat-message.bot {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.1);
    border-bottom-left-radius: 4px;
}

.chat-message.user {
    align-self: flex-end;
    background: var(--gradient-primary);
    border-bottom-right-radius: 4px;
}

.chat-message p {
    margin: 0;
}

.chat-message.typing .typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--neutral-400);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {

    0%,
    60%,
    100% {
        transform: translateY(0);
    }

    30% {
        transform: translateY(-8px);
    }
}

.chat-form {
    padding: 16px;
    background: var(--neutral-800);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    gap: 8px;
}

.chat-form input {
    flex: 1;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    font-size: 14px;
    color: white;
    outline: none;
    transition: border-color 0.3s ease;
}

.chat-form input:focus {
    border-color: var(--primary-500);
}

.chat-form input::placeholder {
    color: var(--neutral-500);
}

.chat-send {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--gradient-primary);
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.chat-send:hover {
    transform: scale(1.1);
}

.chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

@media (max-width: 480px) {
    .chat-widget {
        bottom: 16px;
        right: 16px;
    }

    .chat-container {
        width: calc(100vw - 32px);
        height: calc(100vh - 100px);
        bottom: 70px;
    }
}