/* ==========================================================================
   TEMA MÉDICO INSTITUCIONAL PREMIUM - DR. DAVID CHECA
   (Mejorado visualmente: Animaciones sutiles, sombras refinadas, microinteracciones)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&family=Lato:wght@400;500;700&display=swap');

:root {
    --clr-primary: #00457A;
    /* Azul Marino Médico */
    --clr-primary-dark: #00335A;
    --clr-secondary: #00A8E8;
    /* Celeste de acento */
    --clr-secondary-hover: #0092C8;
    --clr-bg: #FFFFFF;
    --clr-surface: #F8FAFC;
    /* Gris/azulado ultra sutil */
    --clr-text: #2D3748;
    --clr-text-muted: #64748B;
    --clr-border: #E2E8F0;

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Lato', sans-serif;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 24px;

    /* Sombras más refinadas y premium */
    --shadow-sm: 0 2px 8px rgba(0, 69, 122, 0.06), 0 1px 3px rgba(0, 69, 122, 0.04);
    --shadow-md: 0 10px 30px rgba(0, 69, 122, 0.1), 0 4px 12px rgba(0, 69, 122, 0.06);
    --shadow-lg: 0 20px 50px rgba(0, 69, 122, 0.15), 0 8px 20px rgba(0, 69, 122, 0.08);
    --shadow-glow: 0 0 40px rgba(0, 168, 232, 0.15), 0 0 80px rgba(0, 168, 232, 0.08);

    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: #1A202C;
    line-height: 1.2;
}

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

p {
    margin-bottom: 1rem;
    color: var(--clr-text-muted);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

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

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

/* Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    padding: 18px 0;
    transition: var(--transition-smooth);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.main-header.scrolled {
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
    background: rgba(255, 255, 255, 0.98);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--clr-primary);
    letter-spacing: -0.5px;
}

.logo i {
    color: var(--clr-secondary);
    font-size: 1.6rem;
    transition: var(--transition-bounce);
}

.logo:hover i {
    transform: scale(1.1) rotate(5deg);
}

.nav-list {
    display: flex;
    gap: 35px;
    list-style: none;
}

.nav-list a {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    position: relative;
    padding: 5px 0;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--clr-secondary);
    transition: var(--transition-smooth);
}

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

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--clr-primary);
    cursor: pointer;
    transition: color 0.3s;
}

.mobile-menu-toggle:hover {
    color: var(--clr-secondary);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 2000;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-nav-overlay.show {
    opacity: 1;
}

.mobile-menu-close {
    position: absolute;
    top: 30px;
    right: 30px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--clr-primary);
    cursor: pointer;
    transition: transform 0.3s;
}

.mobile-menu-close:hover {
    transform: rotate(90deg) scale(1.1);
    color: var(--clr-secondary);
}

.mobile-nav-overlay a {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--clr-text);
    margin-bottom: 25px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
}

.mobile-nav-overlay a:hover {
    color: var(--clr-secondary);
    transform: translateX(10px);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-dark) 100%);
    color: #FFF;
    padding: 16px 32px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition-smooth);
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 69, 122, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 69, 122, 0.3);
    background: linear-gradient(135deg, var(--clr-primary-dark) 0%, #002240 100%);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-outline {
    border: 2px solid var(--clr-secondary);
    color: var(--clr-secondary);
    padding: 14px 30px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition-smooth);
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
    background: transparent;
    cursor: pointer;
}

.btn-outline:hover {
    background: var(--clr-secondary);
    color: #FFF;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 168, 232, 0.25);
}

/* Sections */
.section-padding {
    padding: 100px 0;
}

.section-bg {
    background-color: var(--clr-surface);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 15px;
    color: var(--clr-primary);
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
    color: var(--clr-text-muted);
    font-size: 1.15rem;
    line-height: 1.8;
}

/* Hero */
.hero-inst {
    padding: 180px 0 120px;
    background: linear-gradient(105deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.85) 50%, rgba(255, 255, 255, 0.1) 100%), url('https://images.unsplash.com/photo-1551076805-e1869033e561?auto=format&fit=crop&q=80') center/cover fixed;
    position: relative;
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 2;
}

.hero-label {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(0, 168, 232, 0.12) 0%, rgba(0, 168, 232, 0.08) 100%);
    color: var(--clr-secondary);
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 30px;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border: 1px solid rgba(0, 168, 232, 0.25);
    box-shadow: 0 2px 8px rgba(0, 168, 232, 0.1);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.15;
    margin-bottom: 25px;
    color: var(--clr-primary);
    letter-spacing: -1px;
}

.hero-text {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: var(--clr-text-muted);
    font-weight: 400;
    line-height: 1.8;
    max-width: 600px;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

/* Metrics Bar */
.info-bar {
    background: linear-gradient(135deg, var(--clr-primary) 0%, #003d6b 100%);
    padding: 40px 0;
    color: #FFF;
    margin-top: -30px;
    position: relative;
    z-index: 10;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    overflow: hidden;
}

.info-bar::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 168, 232, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}

.info-item {
    position: relative;
}

.info-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 15%;
    height: 70%;
    width: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.info-item h4 {
    color: var(--clr-secondary);
    font-size: 2.8rem;
    margin-bottom: 5px;
    font-weight: 700;
    letter-spacing: -1px;
}

.info-item p {
    color: #E2E8F0;
    margin: 0;
    font-weight: 500;
    font-family: var(--font-heading);
}

/* Cards (Bento/Medical) */
.medical-card {
    background: #FFF;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: 45px 35px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.medical-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 168, 232, 0.03) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.medical-card:hover::after {
    opacity: 1;
}

.medical-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--clr-secondary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.medical-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(0, 168, 232, 0.3);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.medical-card:hover::before {
    transform: scaleX(1);
}

.medical-card i {
    font-size: 2.8rem;
    color: var(--clr-secondary);
    margin-bottom: 25px;
    transition: var(--transition-bounce);
    display: inline-block;
}

.medical-card:hover i {
    transform: scale(1.15);
    color: var(--clr-primary);
}

.medical-card h3 {
    font-size: 1.45rem;
    margin-bottom: 15px;
    color: var(--clr-primary);
}

/* Form & Contact */
.form-card {
    background: #FFF;
    padding: 50px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--clr-border);
}

.form-group {
    margin-bottom: 25px;
    text-align: left;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--clr-primary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--clr-text);
    background-color: var(--clr-surface);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--clr-secondary);
    background-color: #FFF;
    box-shadow: 0 0 0 4px rgba(0, 168, 232, 0.1), 0 4px 12px rgba(0, 168, 232, 0.08);
    transform: translateY(-2px);
}

/* Info Blocks */
.contact-info-block {
    display: flex;
    gap: 20px;
    margin-bottom: 35px;
    align-items: flex-start;
    padding: 20px;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
    background: transparent;
}

.contact-info-block:hover {
    background: rgba(0, 168, 232, 0.03);
    transform: translateX(8px);
}

.contact-info-block:hover {
    transform: translateX(5px);
}

.contact-info-block i {
    font-size: 1.8rem;
    color: var(--clr-secondary);
    margin-top: 3px;
    background: rgba(0, 168, 232, 0.1);
    padding: 15px;
    border-radius: 50%;
}

.contact-info-block h4 {
    font-size: 1.15rem;
    margin-bottom: 5px;
    color: var(--clr-primary);
}

/* FAQ Accordion */
.faq-item {
    border: 1px solid var(--clr-border);
    margin-bottom: 15px;
    border-radius: var(--radius-sm);
    background: #FFF;
    transition: var(--transition-fast);
    overflow: hidden;
}

.faq-item:hover {
    border-color: var(--clr-secondary);
    box-shadow: var(--shadow-sm);
}

.faq-item.active {
    border-color: var(--clr-secondary);
}

.faq-question {
    width: 100%;
    background: none;
    padding: 22px 25px;
    text-align: left;
    border: none;
    font-weight: 600;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--clr-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--clr-secondary);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s ease;
    opacity: 0;
}

.faq-answer p {
    padding-bottom: 25px;
    color: var(--clr-text-muted);
    margin: 0;
}

.faq-item.active .faq-answer {
    opacity: 1;
    padding-top: 10px;
}

/* Video Wrapper */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 8px solid #FFF;
    transition: var(--transition-smooth);
}

.video-wrapper:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(0, 168, 232, 0.12);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-sm);
}

/* Footer */
.main-footer {
    background: #0A192F;
    color: #FFF;
    padding: 80px 0 30px;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--clr-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: #FFF;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.footer-brand p {
    color: #94A3B8;
    max-width: 400px;
    line-height: 1.8;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    margin-bottom: 25px;
    color: #FFF;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    opacity: 0.9;
}

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

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: #94A3B8;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links a::before {
    content: '›';
    color: var(--clr-secondary);
    font-size: 1.2rem;
    font-weight: bold;
    transform: translateX(-5px);
    opacity: 0;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: #FFF;
    transform: translateX(5px);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #64748B;
    font-size: 0.85rem;
    line-height: 1.8;
}

.footer-bottom a {
    color: #64748B;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: color 0.3s;
}

.footer-bottom a:hover {
    color: var(--clr-secondary);
}

/* Calendly */
.calendly-inline-widget {
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

.calendly-inline-widget:hover {
    box-shadow: var(--shadow-lg);
}

/* Floating WhatsApp */
.wa-float {
    position: fixed;
    bottom: 35px;
    right: 35px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: #FFF;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.2rem;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition-bounce);
    animation: pulse-ring 2s cubic-bezier(0.455, 0.03, 0.515, 0.955) infinite;
}

@keyframes pulse-ring {
    0% { box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4), 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0); }
}

.wa-float:hover {
    transform: scale(1.15) rotate(-10deg);
    color: #FFF;
}

.wa-float:active {
    transform: scale(1);
}

/* Helpers & Page Headers */
.page-header {
    background: linear-gradient(to right, var(--clr-surface), #FFFFFF);
    padding: 180px 0 90px;
    text-align: center;
    border-bottom: 1px solid var(--clr-border);
    position: relative;
    overflow: hidden;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 168, 232, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.page-header h1 {
    font-size: 3rem;
    color: var(--clr-primary);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.page-header p {
    color: var(--clr-text-muted);
    font-size: 1.2rem;
    max-width: 650px;
    margin: 0 auto;
}

.blog-date {
    display: block;
    color: var(--clr-secondary);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* ==========================================================================
      CLASES DE ANIMACIÓN (TIPO REVEAL - INTERSECTION OBSERVER)
      ========================================================================== */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-visible {
    opacity: 1;
    transform: translate(0) scale(1);
}

.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

.delay-400 {
    transition-delay: 0.4s;
}

/* Media Queries */
@media (max-width: 900px) {

    .grid-2,
    .footer-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }

    .info-item:not(:last-child)::after {
        display: none;
    }

    .info-bar {
        margin: 20px 20px 0;
        border-radius: var(--radius-md);
        padding: 30px;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-list {
        display: none;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 2.1rem;
    }

    .page-header h1 {
        font-size: 2.2rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .container {
        padding: 0 20px;
    }

    .section-padding {
        padding: 60px 0;
    }

    .hero-inst {
        padding: 140px 0 80px;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .medical-card {
        padding: 35px 25px;
    }

    .form-card {
        padding: 30px 20px;
    }

    .wa-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
        font-size: 1.8rem;
    }
}

/* Mejoras adicionales de accesibilidad y UX */
*:focus-visible {
    outline: 2px solid var(--clr-secondary);
    outline-offset: 3px;
}

button {
    cursor: pointer;
}

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

/* Animación de carga suave */
body {
    animation: fadeIn 0.5s ease-in;
}

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

/* Mejora de selección de texto */
::selection {
    background-color: rgba(0, 168, 232, 0.2);
    color: var(--clr-primary);
}

::-moz-selection {
    background-color: rgba(0, 168, 232, 0.2);
    color: var(--clr-primary);
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--clr-surface);
}

::-webkit-scrollbar-thumb {
    background: var(--clr-secondary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--clr-secondary-hover);
}