/* ===================================
   DOCTOR APP - Medical Website Styles
   Colores: Azul Médico (#0073e6) + Teal (#00b39b)
   =================================== */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Medical Colors */
    --primary-blue: #0073e6;
    --primary-blue-dark: #005bb3;
    --primary-blue-light: #4da6ff;
    --secondary-teal: #00b39b;
    --secondary-teal-dark: #008c79;

    /* UI Colors */
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #e9ecef;
    --gray-200: #dee2e6;
    --gray-300: #ced4da;
    --gray-600: #6c757d;
    --gray-900: #212529;

    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-teal) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 115, 230, 0.95) 0%, rgba(0, 179, 155, 0.95) 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 115, 230, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 115, 230, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 115, 230, 0.16);

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Poppins', system-ui, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--gray-900);
}

.logo-icon {
    width: 32px;
    height: 32px;
    stroke-width: 2.5;
    color: var(--primary-blue);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-blue);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.btn-login {
    padding: 10px 24px;
    background: var(--primary-blue);
    color: var(--white) !important;
    border-radius: 8px;
    font-weight: 600;
}

.btn-login:hover {
    background: var(--primary-blue-dark);
    color: var(--white) !important;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--gray-900);
    border-radius: 2px;
    transition: all 0.3s ease;
}

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

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

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #ccfbf1 100%);
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 115, 230, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(0, 179, 155, 0.1) 0%, transparent 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: center;
    padding: 80px 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 115, 230, 0.1);
    border: 1px solid rgba(0, 115, 230, 0.2);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 24px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-blue);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--gray-900);
}

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

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
}

.hero-image {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    padding: 16px 24px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: float 3s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.card-icon {
    font-size: 32px;
}

.card-text {
    font-weight: 600;
    color: var(--gray-900);
}

.hero-graphic {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(60px);
}

.graphic-pulse {
    position: absolute;
    inset: -50%;
    background: var(--gradient-primary);
    border-radius: 50%;
    animation: pulse-grow 3s ease-in-out infinite;
}

@keyframes pulse-grow {
    0%, 100% { transform: scale(0.8); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0.1; }
}

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
}

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

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

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

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

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

.btn-white:hover {
    background: var(--gray-50);
}

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

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

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

.btn-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
}

/* ===================================
   SECTIONS
   =================================== */

.features,
.services-preview,
.specialties,
.cta-section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 115, 230, 0.1);
    color: var(--primary-blue);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--gray-900);
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 32px;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--gray-100);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    stroke-width: 2;
    color: var(--white);
}

.feature-icon.blue { background: var(--primary-blue); }
.feature-icon.teal { background: var(--secondary-teal); }
.feature-icon.purple { background: #8b5cf6; }
.feature-icon.green { background: var(--success); }
.feature-icon.orange { background: var(--warning); }
.feature-icon.red { background: var(--error); }

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Services Preview */
.services-preview {
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.service-card {
    position: relative;
    padding: 40px 32px;
    background: var(--white);
    border-radius: 20px;
    border: 2px solid var(--gray-100);
    text-align: center;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.service-card.featured {
    background: var(--gradient-hero);
    color: var(--white);
    border-color: transparent;
}

.service-card.featured h3,
.service-card.featured p,
.service-card.featured li {
    color: var(--white);
}

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
}

.service-badge.free {
    background: var(--success);
    color: var(--white);
}

.service-price {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 16px;
}

.service-price span {
    font-size: 16px;
    font-weight: 500;
}

.service-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: 32px;
    text-align: left;
}

.service-features li {
    padding: 8px 0;
    color: var(--gray-600);
}

/* Specialties */
.specialties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 24px;
}

.specialty-card {
    padding: 32px 24px;
    background: var(--white);
    border-radius: 16px;
    border: 2px solid var(--gray-100);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.specialty-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.specialty-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.specialty-card h4 {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 14px;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-hero);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

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

.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 80px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

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

.footer-logo span {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
}

.footer-description {
    margin-bottom: 24px;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    text-decoration: none;
    font-size: 20px;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
}

.footer-column h4 {
    color: var(--white);
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a,
.footer-contact li {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-contact {
    list-style: none;
}

.footer-contact li {
    margin-bottom: 12px;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--gray-300);
    text-decoration: none;
    font-size: 14px;
}

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

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

@media (max-width: 1024px) {
    .hero-title { font-size: 48px; }
    .section-title { font-size: 40px; }
    .hero-content { grid-template-columns: 1fr; gap: 48px; }
    .hero-image { height: 400px; }
    .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .mobile-menu-btn { display: flex; }
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        box-shadow: var(--shadow-md);
        display: none;
    }
    .nav-menu.active { display: flex; }
    .hero-title { font-size: 40px; }
    .section-title { font-size: 32px; }
    .hero-stats { grid-template-columns: 1fr; gap: 16px; }
    .hero-cta { flex-direction: column; }
    .cta-buttons { flex-direction: column; }
    .footer-content { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 32px; }
    .section-title { font-size: 28px; }
    .btn-large { padding: 14px 28px; font-size: 16px; }
}