/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
    --primary-color: #13b6ec;
    --primary-dark: #0ea5d6;
    --secondary-color: #14b8a6;
    --background-light: #f6f8f8;
    --surface-light: #ffffff;
    --text-primary: #111618;
    --text-secondary: #617f89;
    --border-color: #f0f3f4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Manrope', sans-serif;
    background-color: var(--background-light);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ========================================
   Container & Layout
   ======================================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 768px) {
    .container {
        padding: 0 2.5rem;
    }
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.navbar-brand .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
}

.logo-text {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    padding: 0.5rem;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .navbar-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background-color: white;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .navbar-nav {
        flex-direction: column;
        gap: 0.5rem;
        margin-bottom: 1rem;
    }

    .nav-link {
        display: block;
        padding: 0.75rem 1rem;
        border-radius: 0.5rem;
    }

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

@media (min-width: 769px) {
    .navbar-menu {
        display: flex;
        align-items: center;
        gap: 2rem;
    }

    .navbar-nav {
        display: flex;
        gap: 2rem;
    }
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-center;
    padding: 0.625rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 700;
    font-size: 0.875rem;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--background-light) 0%, #e0f2fe 100%);
    padding: 3rem 0;
}

@media (min-width: 1024px) {
    .hero {
        padding: 5rem 0;
    }
}

.hero-content {
    display: flex;
    flex-direction: column-reverse;
    gap: 2rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-content {
        flex-direction: row;
        gap: 4rem;
    }
}

.hero-text {
    flex: 1;
}

.hero-title {
    font-size: 2rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

.hero-title .gradient-text {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 1.125rem;
    }
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(19, 182, 236, 0.2), transparent);
    z-index: 1;
}

.hero-image img {
    width: 100%;
    height: auto;
    transition: transform 0.7s ease;
}

.hero-image:hover img {
    transform: scale(1.05);
}

/* ========================================
   Section Styles
   ======================================== */
.section {
    padding: 3rem 0;
}

@media (min-width: 768px) {
    .section {
        padding: 5rem 0;
    }
}

.section-title {
    font-size: 1.875rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

@media (min-width: 768px) {
    .section-subtitle {
        font-size: 1.125rem;
    }
}

/* ========================================
   Feature Cards
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}

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

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    background-color: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.7;
}

/* ========================================
   Pricing Cards
   ======================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

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

@media (min-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pricing-card {
    background-color: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
}

.pricing-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-color);
}

.pricing-period {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.pricing-features {
    margin: 1.5rem 0;
}

.pricing-feature {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    font-size: 0.875rem;
}

.pricing-feature .material-symbols-outlined {
    color: var(--primary-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ========================================
   Coverage Section
   ======================================== */
.coverage-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

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

@media (min-width: 1024px) {
    .coverage-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.coverage-item {
    background-color: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.coverage-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.coverage-city {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.coverage-areas {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.coverage-tag {
    background-color: var(--background-light);
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 4rem 2rem;
    border-radius: 1rem;
    margin: 3rem auto;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.1;
}

.cta-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2rem;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .cta-content {
        flex-direction: row;
        text-align: left;
        justify-content: space-between;
    }
}

.cta-text {
    flex: 1;
    color: white;
}

.cta-title {
    font-size: 1.875rem;
    font-weight: 900;
    margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
    .cta-title {
        font-size: 2.5rem;
    }
}

.cta-description {
    font-size: 1rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
}

@media (min-width: 640px) {
    .cta-buttons {
        flex-direction: row;
        width: auto;
    }
}

.cta-buttons .btn {
    white-space: nowrap;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: white;
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
}

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

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

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.footer-brand .logo-icon {
    width: 28px;
    height: 28px;
}

.footer-brand h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--background-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

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

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 0.5rem;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-contact .material-symbols-outlined {
    font-size: 1.25rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

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

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

.footer-bottom-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

/* ========================================
   Floating Buttons
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 999;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
    }
}

.back-to-top {
    position: fixed;
    bottom: 6rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 998;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center {
    text-align: center;
}

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

.bg-white {
    background-color: white;
}

.bg-light {
    background-color: var(--background-light);
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* ========================================
   Responsive Utilities
   ======================================== */
@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 769px) {
    .hide-desktop {
        display: none !important;
    }
}