/* ==========================================
   VARIABLES Y RESET
   ========================================== */

:root {
    /* Colors - Medical Blue with Green Accents */
    --primary: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;
    --accent: #22c55e;
    --accent-light: #4ade80;
    --accent-dark: #16a34a;
    
    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--white);
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ==========================================
   NAVIGATION
   ========================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-sm) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 50px;
    transition: var(--transition);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    position: relative;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
    display: block;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav-menu {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--gray-700);
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

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

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

.btn-nav {
    padding: var(--space-xs) var(--space-md);
    background-color: var(--accent);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    transition: var(--transition);
    border: 2px solid var(--accent);
}

.btn-nav:hover {
    background-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(40px);
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: -50px;
    animation-delay: 5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 10%;
    left: 30%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(30px, -30px) rotate(90deg);
    }
    50% {
        transform: translate(-20px, 20px) rotate(180deg);
    }
    75% {
        transform: translate(20px, 30px) rotate(270deg);
    }
}

.hero-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-lg);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.highlight {
    position: relative;
    color: var(--accent);
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 15px;
    background-color: rgba(34, 197, 94, 0.3);
    z-index: -1;
    border-radius: 5px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--gray-100);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary);
    transform: translateY(-3px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-md);
    animation: fadeInUp 1s ease-out 0.3s both;
}

.stat-card {
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    transition: var(--transition);
}

.stat-card:hover {
    background-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
}

.stat-icon {
    width: 50px;
    height: 50px;
    background-color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
}

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
}

.stat-info p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   QUICK SERVICES
   ========================================== */

.quick-services {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.service-card {
    background-color: var(--white);
    border-radius: 20px;
    padding: var(--space-xl);
    transition: var(--transition-slow);
    border: 1px solid var(--gray-200);
}

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

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

.highlight-card {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: var(--white);
    border: none;
}

.highlight-card .service-icon {
    background-color: rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.highlight-card h3,
.highlight-card p {
    color: var(--white);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin-bottom: var(--space-md);
    transition: var(--transition);
}

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

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.service-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    transition: var(--transition);
}

.highlight-card .service-link {
    color: var(--white);
}

.service-link:hover {
    gap: var(--space-sm);
}

/* ==========================================
   SPECIALTIES PREVIEW
   ========================================== */

.specialties-preview {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
}

.section-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.specialties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.specialty-card {
    background-color: var(--white);
    border-radius: 20px;
    padding: var(--space-xl);
    border: 2px solid var(--gray-200);
    transition: var(--transition-slow);
    cursor: pointer;
}

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

.specialty-image {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: var(--space-md);
    transition: var(--transition);
}

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

.specialty-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.specialty-card > p {
    color: var(--gray-600);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.specialty-doctors {
    list-style: none;
    margin-bottom: var(--space-md);
}

.specialty-doctors li {
    color: var(--gray-500);
    font-size: 0.9rem;
    padding: var(--space-xs) 0;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.specialty-doctors li::before {
    content: '•';
    color: var(--accent);
    font-weight: bold;
}

.specialty-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    transition: var(--transition);
    padding: 0;
}

.specialty-btn:hover {
    gap: var(--space-sm);
}

.specialties-cta {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* ==========================================
   ABOUT SECTION
   ========================================== */

.about {
    padding: var(--space-3xl) 0;
    background-color: var(--gray-50);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-2xl);
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    bottom: var(--space-lg);
    left: var(--space-lg);
    background-color: var(--accent);
    color: var(--white);
    padding: var(--space-md) var(--space-lg);
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

.about-content p {
    color: var(--gray-600);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.about-features {
    margin: var(--space-xl) 0;
    display: grid;
    gap: var(--space-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--gray-700);
}

.feature-item i {
    color: var(--accent);
    font-size: 1.5rem;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact {
    padding: var(--space-3xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-2xl);
}

.contact-methods {
    display: grid;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.contact-method {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background-color: var(--gray-50);
    border-radius: 15px;
    transition: var(--transition);
}

.contact-method:hover {
    background-color: var(--gray-100);
    transform: translateX(5px);
}

.contact-method.highlight {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: var(--white);
}

.contact-method.highlight .method-icon {
    background-color: rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.contact-method.highlight h4,
.contact-method.highlight p {
    color: var(--white);
}

.method-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    flex-shrink: 0;
}

.method-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--gray-900);
}

.method-info p {
    color: var(--gray-600);
    line-height: 1.6;
}

.whatsapp-link {
    color: var(--white);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    transition: var(--transition);
}

.whatsapp-link:hover {
    gap: var(--space-sm);
}

.contact-map {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    min-height: 400px;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    height: 60px;
    margin-bottom: var(--space-md);
    filter: brightness(0) invert(1);
}

.footer-col p {
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition);
}

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

.footer-col h4 {
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

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

.footer-col ul li {
    margin-bottom: var(--space-sm);
}

.footer-col ul li a {
    color: var(--gray-400);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--gray-400);
}

.footer-contact i {
    color: var(--accent);
    margin-top: 2px;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--space-lg);
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.footer-legal {
    margin-top: var(--space-sm);
}

.footer-legal a {
    color: var(--accent);
}

/* ==========================================
   MODAL
   ========================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-out;
}

.modal-container {
    position: relative;
    background-color: var(--white);
    border-radius: 30px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.4s ease-out;
}

.modal-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 40px;
    height: 40px;
    background-color: var(--gray-100);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--gray-600);
    transition: var(--transition);
    z-index: 10;
}

.modal-close:hover {
    background-color: var(--gray-200);
    transform: rotate(90deg);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        padding: 100px var(--space-lg) var(--space-xl);
        box-shadow: var(--shadow-xl);
        transition: var(--transition-slow);
        align-items: flex-start;
        z-index: 999;
        overflow-y: auto;
        gap: var(--space-md);
    }
    
    .nav-menu .nav-link {
        font-size: 1.1rem;
        padding: var(--space-xs) 0;
    }
    
    .nav-menu .btn-nav {
        width: 100%;
        justify-content: center;
        margin-top: var(--space-md);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu.active::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: -1;
        animation: fadeIn 0.3s ease;
    }
    
    .hero-content {
        padding: var(--space-2xl) var(--space-md);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid,
    .specialties-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 2rem;
        --space-2xl: 3rem;
        --space-3xl: 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
}