/* ==========================================================================
   MEDICAL WEBSITE - STYLES
   Dr. [Nombre del Médico] - Site Profesional
   ========================================================================== */

/* ==========================================================================
   1. VARIABLES & RESET
   ========================================================================== */

:root {
    /* Colores Principales */
    --color-primary: #1e40af;        /* Azul clínico */
    --color-primary-dark: #1e3a8a;   /* Azul más oscuro */
    --color-primary-light: #3b82f6;  /* Azul más claro */
    --color-accent: #fbbf24;         /* Dorado acento */
    --color-accent-dark: #f59e0b;    /* Dorado oscuro */
    
    /* Neutros */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Tipografía */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    --spacing-3xl: 4rem;     /* 64px */
    --spacing-4xl: 5rem;     /* 80px */
    
    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Bordes */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-indexes */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ==========================================================================
   2. BASE & TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: clamp(1.125rem, 2vw, 1.25rem); }
h6 { font-size: clamp(1rem, 1.5vw, 1.125rem); }

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--color-primary-dark);
}

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

ul, ol {
    list-style: none;
}

/* ==========================================================================
   3. UTILITIES & COMPONENTS
   ========================================================================== */

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

@media (min-width: var(--breakpoint-xl)) {
    .container {
        padding-left: var(--spacing-xl);
        padding-right: var(--spacing-xl);
    }
}

/* Section */
.section {
    padding: var(--spacing-4xl) 0;
}

.section--light {
    background-color: var(--color-gray-50);
}

.section--padding-lg {
    padding: var(--spacing-4xl) 0;
}

/* Section Header */
.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section__badge {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

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

.section__title {
    margin-bottom: var(--spacing-md);
}

.section__title--light {
    color: var(--color-white);
}

.section__description {
    font-size: 1.125rem;
    color: var(--color-gray-600);
}

.section__description--light {
    color: var(--color-gray-300);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

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

.btn-primary:disabled {
    background-color: var(--color-gray-400);
    border-color: var(--color-gray-400);
    cursor: not-allowed;
    transform: none;
}

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

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

.btn-lg {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ==========================================================================
   4. HEADER & NAVIGATION
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (min-width: var(--breakpoint-xl)) {
    .nav {
        padding: 0 var(--spacing-xl);
    }
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-primary);
}

.nav__logo-img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.nav__logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav__menu {
    display: none;
    align-items: center;
    gap: var(--spacing-lg);
}

@media (min-width: var(--breakpoint-lg)) {
    .nav__menu {
        display: flex;
    }
}

.nav__link {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-700);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-primary);
    background-color: var(--color-gray-50);
}

.nav__cta {
    padding: var(--spacing-sm) var(--spacing-lg) !important;
}

.nav__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

@media (min-width: var(--breakpoint-lg)) {
    .nav__toggle {
        display: none;
    }
}

.nav__burger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-700);
    position: relative;
    transition: background-color var(--transition-fast);
}

.nav__burger::before,
.nav__burger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: var(--color-gray-700);
    transition: transform var(--transition-base);
}

.nav__burger::before {
    transform: translateY(-8px);
}

.nav__burger::after {
    transform: translateY(8px);
}

.nav__toggle[aria-expanded="true"] .nav__burger {
    background-color: transparent;
}

.nav__toggle[aria-expanded="true"] .nav__burger::before {
    transform: rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__burger::after {
    transform: rotate(-45deg);
}

/* ==========================================================================
   5. 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,
        var(--color-gray-50) 0%,
        var(--color-white) 50%,
        var(--color-gray-100) 100%
    );
}

.hero__background::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        180deg,
        var(--color-primary) 0%,
        var(--color-primary-dark) 100%
    );
    opacity: 0.05;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: 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='%231e40af' fill-opacity='0.03'%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");
}

.hero__content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    min-height: calc(100vh - 80px);
}

@media (min-width: var(--breakpoint-lg)) {
    .hero__content {
        grid-template-columns: 1fr 1fr;
    }
}

.hero__badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
}

.hero__title span {
    color: var(--color-primary);
}

.hero__subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--color-gray-600);
    max-width: 500px;
    margin-bottom: var(--spacing-xl);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero__stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2xl);
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.hero__stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.hero__image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__image-wrapper {
    position: relative;
    max-width: 480px;
    width: 100%;
}

@media (min-width: var(--breakpoint-lg)) {
    .hero__image-wrapper {
        max-width: 560px;
    }
}

.hero__img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 1;
}

.hero__image-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    border-radius: var(--radius-xl);
    opacity: 0.1;
    z-index: 0;
}

@media (min-width: var(--breakpoint-lg)) {
    .hero__image-decoration {
        top: -40px;
        right: -40px;
        width: 300px;
        height: 300px;
    }
}

/* Animación de entrada */
.hero__content > * {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.hero__content > *:nth-child(1) { animation-delay: 0.1s; }
.hero__content > *:nth-child(2) { animation-delay: 0.2s; }
.hero__content > *:nth-child(3) { animation-delay: 0.3s; }
.hero__content > *:nth-child(4) { animation-delay: 0.4s; }
.hero__content > *:nth-child(5) { animation-delay: 0.5s; }

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

/* ==========================================================================
   6. ABOUT SECTION
   ========================================================================== */

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

.about__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

@media (min-width: var(--breakpoint-lg)) {
    .about__grid {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--spacing-4xl);
    }
}

.about__image {
    position: relative;
}

.about__image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about__img {
    width: 100%;
    height: auto;
    display: block;
}

.about__experience {
    position: absolute;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.about__experience-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

.about__experience-text {
    font-size: 0.875rem;
    font-weight: 500;
}

.about__content {
    padding: var(--spacing-lg) 0;
}

.about__intro {
    font-size: 1.25rem;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.about__text {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.about__subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.about__list {
    margin-bottom: var(--spacing-xl);
}

.about__item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.about__item i {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.about__item strong {
    display: block;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.about__item span {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

.about__memberships__list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: var(--breakpoint-md)) {
    .about__memberships__list {
        grid-template-columns: repeat(2, 1fr);
    }
}

.about__memberships__list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-600);
}

.about__memberships__list i {
    color: var(--color-primary);
}

/* ==========================================================================
   7. SPECIALTIES SECTION
   ========================================================================== */

.specialties {
    background-color: var(--color-gray-50);
    padding: var(--spacing-4xl) 0;
}

.specialties__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: var(--breakpoint-md)) {
    .specialties__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: var(--breakpoint-lg)) {
    .specialties__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: var(--breakpoint-xl)) {
    .specialties__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.specialty-card {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.specialty-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.specialty-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.specialty-card:hover::before {
    opacity: 1;
}

.specialty-card__icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.specialty-card__icon i {
    font-size: 1.75rem;
    color: var(--color-white);
}

.specialty-card__title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.specialty-card__description {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.specialty-card__features {
    margin-bottom: var(--spacing-lg);
}

.specialty-card__features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-600);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.specialty-card__features i {
    color: var(--color-primary);
    font-size: 0.75rem;
}

.specialty-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    padding: var(--spacing-sm) 0;
    transition: gap var(--transition-fast);
}

.specialty-card__link:hover {
    gap: var(--spacing-md);
}

/* ==========================================================================
   8. METHODOLOGY SECTION
   ========================================================================== */

.methodology {
    background-color: var(--color-primary);
    padding: var(--spacing-4xl) 0;
}

.methodology__content {
    color: var(--color-white);
}

.methodology__subtitle {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.methodology__values__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-4xl);
}

@media (min-width: var(--breakpoint-md)) {
    .methodology__values__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.methodology__value-card {
    background-color: rgba(255, 255, 255, 0.08);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.methodology__value-card:hover {
    background-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.methodology__value-card__icon {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.methodology__value-card__icon i {
    font-size: 1.25rem;
    color: var(--color-white);
}

.methodology__value-card h4 {
    font-size: 1.125rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.methodology__value-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

.methodology__process {
    margin-bottom: var(--spacing-4xl);
}

.methodology__process__steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 800px;
    margin: 0 auto;
}

.methodology__step {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    position: relative;
}

@media (min-width: var(--breakpoint-lg)) {
    .methodology__step {
        gap: var(--spacing-2xl);
    }
}

.methodology__step__number {
    width: 50px;
    height: 50px;
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    flex-shrink: 0;
    z-index: 1;
}

.methodology__step__content {
    flex: 1;
}

.methodology__step__content h4 {
    font-size: 1.125rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.methodology__step__content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

.methodology__step__line {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary), var(--color-primary-dark));
    margin: 0;
    position: relative;
    z-index: 0;
}

@media (min-width: var(--breakpoint-lg)) {
    .methodology__step__line {
        height: 2px;
        margin: 0 calc(-50% + 40px);
    }
}

.methodology__technology__list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

@media (min-width: var(--breakpoint-md)) {
    .methodology__technology__list {
        grid-template-columns: repeat(2, 1fr);
    }
}

.methodology__tech-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9375rem;
}

.methodology__tech-item i {
    color: var(--color-accent);
    font-size: 1.25rem;
}

/* ==========================================================================
   9. TESTIMONIALS SECTION
   ========================================================================== */

.testimonials {
    background-color: var(--color-white);
    padding: var(--spacing-4xl) 0;
}

.testimonials__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: var(--breakpoint-md)) {
    .testimonials__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: var(--breakpoint-xl)) {
    .testimonials__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.testimonial-card {
    background-color: var(--color-gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

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

.testimonial-card__quote {
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.testimonial-card__quote i {
    color: var(--color-white);
    font-size: 1rem;
}

.testimonial-card__text {
    color: var(--color-gray-700);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: 0.9375rem;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-card__author__avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.testimonial-card__author__avatar i {
    color: var(--color-white);
    font-size: 1.25rem;
}

.testimonial-card__author__name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 0;
}

.testimonial-card__author__role {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.testimonials__cta {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

/* ==========================================================================
   10. CONTACT SECTION
   ========================================================================== */

.contact {
    background-color: var(--color-gray-50);
    padding: var(--spacing-4xl) 0;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

@media (min-width: var(--breakpoint-lg)) {
    .contact__grid {
        grid-template-columns: 1fr 1.5fr;
        gap: var(--spacing-4xl);
    }
}

.contact__info__item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.contact__info__item__icon {
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact__info__item__icon i {
    color: var(--color-white);
    font-size: 1.25rem;
}

.contact__info__item h4 {
    font-size: 1rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.contact__info__item p {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    margin-bottom: 0;
    line-height: 1.6;
}

.contact__link {
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
}

.contact__link:hover {
    color: var(--color-primary);
}

.contact__info__social h4 {
    font-size: 1rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.contact__social__links {
    display: flex;
    gap: var(--spacing-sm);
}

.contact__social__link {
    width: 40px;
    height: 40px;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-600);
    border: 1px solid var(--color-gray-300);
    transition: all var(--transition-fast);
}

.contact__social__link:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.contact__form-wrapper {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact__form__group {
    margin-bottom: var(--spacing-lg);
}

.contact__form__label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

.contact__form__input,
.contact__form__textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.contact__form__input:focus,
.contact__form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-white);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.contact__form__input::placeholder,
.contact__form__textarea::placeholder {
    color: var(--color-gray-400);
}

.contact__form__textarea {
    resize: vertical;
    min-height: 120px;
}

.contact__form__note {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: var(--spacing-md);
}

.contact__form__note i {
    color: var(--color-primary);
}

.contact__map {
    margin-top: var(--spacing-2xl);
}

.map__container {
    width: 100%;
    height: 450px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map__iframe {
    display: block;
}

/* ==========================================================================
   11. FOOTER
   ========================================================================== */

.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

@media (min-width: var(--breakpoint-md)) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: var(--breakpoint-lg)) {
    .footer__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    margin-bottom: var(--spacing-md);
}

.footer__logo-img {
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
}

.footer__logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
}

.footer__description {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.footer__contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__contact__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer__contact__link:hover {
    color: var(--color-white);
}

.footer__contact__link i {
    color: var(--color-primary-light);
}

.footer__title {
    font-size: 1rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.footer__nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__link {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-white);
}

.footer__services__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__license {
    font-size: 0.875rem;
    margin-top: var(--spacing-lg);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
}

@media (min-width: var(--breakpoint-lg)) {
    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer__copyright {
    font-size: 0.875rem;
}

.footer__design {
    font-size: 0.875rem;
}

.footer__design i {
    color: var(--color-accent);
}

/* ==========================================================================
   12. FLOATING BUTTONS
   ========================================================================== */

.whatsapp__button {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 2rem;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    transition: all var(--transition-base);
    text-decoration: none;
}

.whatsapp__button:hover {
    transform: scale(1.1);
    box-shadow: 0 20px 30px rgba(37, 211, 102, 0.3);
}

.whatsapp__tooltip {
    position: absolute;
    right: 70px;
    background-color: var(--color-white);
    color: var(--color-gray-900);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.whatsapp__button:hover .whatsapp__tooltip {
    opacity: 1;
    right: 80px;
}

@media (max-width: 768px) {
    .whatsapp__tooltip {
        display: none;
    }
}

.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: calc(var(--spacing-xl) + 80px);
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-4px);
}

@media (max-width: 768px) {
    .back-to-top {
        right: var(--spacing-xl);
    }
}

/* ==========================================================================
   13. ANIMATIONS & EFFECTS
   ========================================================================== */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth scroll offset for fixed header */
section {
    scroll-margin-top: 100px;
}

/* ==========================================================================
   14. RESPONSIVE MEDIA QUERIES
   ========================================================================== */

@media (max-width: 768px) {
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-3xl) 0;
    }
    
    .hero {
        min-height: auto;
        padding-top: 100px;
    }
    
    .hero__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .hero__title {
        font-size: 2.25rem;
    }
    
    .hero__image {
        order: -1;
    }
    
    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .specialties__grid {
        grid-template-columns: 1fr;
    }
    
    .methodology__values__grid {
        grid-template-columns: 1fr;
    }
    
    .contact__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav__logo-text {
        display: none;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .btn-lg {
        padding: var(--spacing-md);
    }
    
    .hero__actions {
        flex-direction: column;
    }
    
    .hero__stat {
        margin-bottom: var(--spacing-lg);
    }
    
    .about__experience {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .about__experience-number {
        font-size: 2rem;
    }
    
    .testimonials__grid {
        grid-template-columns: 1fr;
    }
    
    .footer__bottom {
        text-align: center;
    }
}

/* ==========================================================================
   15. ACCESSIBILITY
   ========================================================================== */

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 1000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #0047AB;
        --color-gray-700: #000000;
        --color-gray-900: #000000;
    }
}

/* Print styles */
@media print {
    .header,
    .whatsapp__button,
    .back-to-top {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        color: #000;
    }
    
    a {
        color: #000;
    }
}