/* 
 * Weltriona - Cryotherapy and Contrast Shower Wellness Studio
 * Main CSS Stylesheet
 */

/* ========== VARIABLES ========== */
:root {
    /* Colors */
    --color-white: #F9FAFB;
    --color-blue-light: #0284C7;
    --color-blue-dark: #1E3A8A;
    --color-yellow: #FACC15;
    --color-black: #111827;
    --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;
    
    /* Typography */
    --font-primary: 'Exo 2', sans-serif;
    --font-secondary: 'Rubik', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    
    /* Border Radius */
    --border-radius-none: 0;
    --border-radius-sm: 0.125rem;
    --border-radius-md: 0.25rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 1rem;
    --border-radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms;
    --transition-normal: 300ms;
    --transition-slow: 500ms;
    
    /* Z-Index */
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-auto: auto;
    
    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
}

/* ========== FONT IMPORTS ========== */
@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@300;400;500;600;700&family=Rubik:wght@300;400;500;600;700&display=swap');

/* ========== RESET & BASE STYLES ========== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-white);
    color: var(--color-gray-800);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
}

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

a {
    color: var(--color-blue-light);
    text-decoration: none;
    transition: color var(--transition-normal) ease;
}

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

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    padding: 0;
}

ul,
ol {
    list-style: none;
}

/* ========== ACCESSIBILITY ========== */
.visually-hidden {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
}

.skip-link {
    background-color: var(--color-blue-dark);
    color: var(--color-white);
    left: 0;
    padding: var(--spacing-md) var(--spacing-lg);
    position: absolute;
    top: -100px;
    transition: top var(--transition-normal) ease;
    z-index: var(--z-50);
}

.skip-link:focus {
    outline: 2px solid var(--color-yellow);
    position: fixed;
    top: 0;
}

/* ========== LAYOUT CONTAINERS ========== */
.header__container,
.hero__container,
.info-section__container,
.benefits-section__container,
.comparison-section__container,
.process-section__container,
.testimonials-section__container,
.pricing-section__container,
.faq-section__container,
.contact-section__container,
.footer__container,
.success-page__container,
.container {
    margin: 0 auto;
    max-width: 1280px;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

/* ========== HEADER ========== */
.header {
    background-color: rgba(var(--color-white), 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-gray-200);
    left: 0;
    padding: var(--spacing-md) 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: var(--z-40);
}

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

.logo {
    display: block;
    height: 40px;
    width: auto;
}

.logo img {
    height: 100%;
    width: auto;
}

/* ========== NAVIGATION ========== */
.nav__toggle {
    align-items: center;
    display: flex;
    height: 40px;
    justify-content: center;
    position: relative;
    width: 40px;
    z-index: var(--z-20);
}

.nav__toggle-icon {
    background-color: var(--color-gray-800);
    height: 2px;
    position: relative;
    transition: background-color var(--transition-fast) ease;
    width: 24px;
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
    background-color: var(--color-gray-800);
    content: '';
    height: 2px;
    left: 0;
    position: absolute;
    transition: transform var(--transition-fast) ease;
    width: 24px;
}

.nav__toggle-icon::before {
    top: -8px;
}

.nav__toggle-icon::after {
    bottom: -8px;
}

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

.nav__toggle[aria-expanded="true"] .nav__toggle-icon::before {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-icon::after {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav__menu {
    background-color: var(--color-white);
    display: flex;
    flex-direction: column;
    height: 100vh;
    left: 0;
    opacity: 0;
    padding: 80px var(--spacing-lg) var(--spacing-lg);
    position: fixed;
    top: 0;
    transform: translateX(-100%);
    transition: transform var(--transition-normal) ease, opacity var(--transition-normal) ease;
    width: 100%;
    z-index: var(--z-10);
}

.nav__toggle[aria-expanded="true"] + .nav__menu {
    opacity: 1;
    transform: translateX(0);
}

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

.nav__link {
    color: var(--color-gray-800);
    display: block;
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    position: relative;
    text-transform: uppercase;
    transition: color var(--transition-normal) ease;
}

.nav__link::after {
    background-color: var(--color-blue-light);
    bottom: 0;
    content: '';
    height: 2px;
    left: 0;
    position: absolute;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal) ease;
    width: 100%;
}

.nav__link:hover {
    color: var(--color-blue-light);
}

.nav__link:hover::after {
    transform: scaleX(1);
}

.nav__link--cta {
    background-color: var(--color-blue-light);
    border-radius: var(--border-radius-sm);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    text-align: center;
}

.nav__link--cta:hover {
    background-color: var(--color-blue-dark);
    color: var(--color-white);
}

.nav__link--cta::after {
    display: none;
}

/* ========== SECTION COMMON STYLES ========== */
main {
    margin-top: 80px;
}

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

section:nth-child(odd) {
    background-color: var(--color-white);
}

section:nth-child(even) {
    background-color: var(--color-gray-100);
}

.section-header {
    margin-bottom: var(--spacing-3xl);
    text-align: center;
}

.section-label {
    color: var(--color-blue-light);
    display: block;
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.section-title {
    color: var(--color-gray-900);
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

/* ========== HERO SECTION ========== */
.hero {
    background: linear-gradient(135deg, var(--color-blue-dark), var(--color-blue-light));
    color: var(--color-white);
    min-height: 100vh;
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.hero::before {
    background: url('../images/img01.jpg') center/cover no-repeat;
    content: '';
    height: 100%;
    left: 0;
    opacity: 0.15;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: var(--z-0);
}

.hero__container {
    align-items: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: calc(100vh - 160px);
    position: relative;
    z-index: var(--z-10);
}

.hero__content {
    margin-bottom: var(--spacing-3xl);
    max-width: 600px;
    text-align: center;
}

.hero .section-label {
    color: var(--color-yellow);
}

.hero__title {
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.hero__image {
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-2xl);
    max-width: 500px;
    overflow: hidden;
    position: relative;
    width: 100%;
}

.hero__image img {
    transform: scale(1);
    transition: transform var(--transition-slow) ease;
}

.hero__image:hover img {
    transform: scale(1.05);
}

/* ========== BUTTONS ========== */
.btn {
    border: 2px solid transparent;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: inline-block;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1;
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
    text-transform: uppercase;
    transition: all var(--transition-normal) ease;
}

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

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

.btn--secondary {
    background-color: transparent;
    border-color: var(--color-blue-light);
    color: var(--color-blue-light);
}

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

.btn--full {
    display: block;
    width: 100%;
}

/* ========== INFO SECTION ========== */
.info-section__content {
    align-items: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.info-section__text {
    max-width: 600px;
}

.info-section__text p {
    margin-bottom: var(--spacing-lg);
}

.info-section__data {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(1, 1fr);
    width: 100%;
}

.data-card {
    align-items: center;
    background: linear-gradient(135deg, var(--color-white), var(--color-gray-100));
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    transition: transform var(--transition-normal) ease, box-shadow var(--transition-normal) ease;
}

.data-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.data-card__icon {
    align-items: center;
    background-color: var(--color-blue-light);
    border-radius: var(--border-radius-sm);
    color: var(--color-white);
    display: flex;
    flex-shrink: 0;
    height: 60px;
    justify-content: center;
    width: 60px;
}

.data-card__number {
    color: var(--color-blue-dark);
    display: block;
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    line-height: 1.2;
}

.data-card__text {
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
}

/* ========== BENEFITS SECTION ========== */
.benefits-section__grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(1, 1fr);
}

.benefit-card {
    background: linear-gradient(135deg, var(--color-white), var(--color-gray-100));
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    padding: var(--spacing-xl);
    position: relative;
    transition: transform var(--transition-normal) ease, box-shadow var(--transition-normal) ease;
}

.benefit-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.benefit-card__icon {
    align-items: center;
    background-color: var(--color-blue-light);
    border-radius: var(--border-radius-sm);
    color: var(--color-white);
    display: flex;
    height: 60px;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    width: 60px;
}

.benefit-card__title {
    color: var(--color-gray-900);
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.benefit-card__text {
    color: var(--color-gray-600);
}

/* ========== COMPARISON SECTION ========== */
.comparison-section__content {
    margin: 0 auto;
    max-width: 900px;
}

.comparison-table {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    width: 100%;
}

.comparison-table__header {
    background-color: var(--color-gray-800);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
}

.comparison-table__row {
    background-color: var(--color-white);
    display: flex;
    flex-direction: column;
}

.comparison-table__row:nth-child(even) {
    background-color: var(--color-gray-100);
}

.comparison-table__cell {
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--spacing-md);
}

.comparison-table__cell--header {
    font-family: var(--font-primary);
    font-weight: 600;
}

.comparison-table__cell--highlight {
    background-color: rgba(2, 132, 199, 0.1);
    color: var(--color-blue-dark);
    font-weight: 500;
}

.comparison-table__header .comparison-table__cell--highlight {
    background-color: var(--color-blue-light);
    color: var(--color-white);
}

/* ========== PROCESS SECTION ========== */
.process-section__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.process-section__image {
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-2xl);
    max-width: 500px;
    overflow: hidden;
    width: 100%;
}

.process-section__image img {
    display: block;
    height: 100%;
    object-fit: cover;
    width: 100%;
}

.process-section__steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-width: 600px;
    width: 100%;
}

.step {
    align-items: flex-start;
    display: flex;
    gap: var(--spacing-lg);
}

.step__number {
    background-color: var(--color-blue-dark);
    border-radius: var(--border-radius-sm);
    color: var(--color-white);
    flex-shrink: 0;
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: 700;
    height: 50px;
    line-height: 50px;
    text-align: center;
    width: 50px;
}

.step__title {
    color: var(--color-gray-900);
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.step__text {
    color: var(--color-gray-600);
}

/* ========== TESTIMONIALS SECTION ========== */
.testimonials-section__grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(1, 1fr);
}

.testimonial {
    background: linear-gradient(135deg, var(--color-white), var(--color-gray-100));
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: transform var(--transition-normal) ease, box-shadow var(--transition-normal) ease;
}

.testimonial:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.testimonial__content {
    padding: var(--spacing-xl);
    position: relative;
}

.testimonial__quote-icon {
    color: var(--color-blue-light);
    height: 40px;
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
    width: 40px;
}

.testimonial__text {
    color: var(--color-gray-700);
    font-size: var(--font-size-lg);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
}

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

.testimonial__author-image {
    border-radius: var(--border-radius-full);
    height: 50px;
    overflow: hidden;
    width: 50px;
}

.testimonial__author-name {
    color: var(--color-gray-900);
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
}

.testimonial__author-title {
    color: var(--color-blue-light);
    font-size: var(--font-size-sm);
}

/* ========== PRICING SECTION ========== */
.pricing-section__grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(1, 1fr);
}

.pricing-card {
    background: linear-gradient(135deg, var(--color-white), var(--color-gray-100));
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transition: transform var(--transition-normal) ease, box-shadow var(--transition-normal) ease;
}

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

.pricing-card--featured {
    border-color: var(--color-blue-light);
    box-shadow: 0 0 0 2px var(--color-blue-light), var(--shadow-xl);
}

.pricing-card__badge {
    background-color: var(--color-yellow);
    color: var(--color-gray-900);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    left: 0;
    padding: var(--spacing-xs) var(--spacing-lg);
    position: absolute;
    right: 0;
    text-align: center;
    text-transform: uppercase;
    top: 0;
}

.pricing-card__header {
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
    text-align: center;
}

.pricing-card--featured .pricing-card__header {
    padding-top: calc(var(--spacing-xl) + 30px);
}

.pricing-card__title {
    color: var(--color-gray-900);
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.pricing-card__price {
    color: var(--color-blue-dark);
    font-family: var(--font-primary);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1;
}

.pricing-card__price span {
    color: var(--color-gray-500);
    font-size: var(--font-size-lg);
    font-weight: 400;
}

.pricing-card__features {
    border-top: 1px solid var(--color-gray-200);
    flex-grow: 1;
    padding: var(--spacing-lg) var(--spacing-xl);
}

.pricing-card__feature {
    align-items: center;
    color: var(--color-gray-700);
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.pricing-card__feature::before {
    background-color: var(--color-blue-light);
    border-radius: var(--border-radius-full);
    content: '';
    display: block;
    flex-shrink: 0;
    height: 8px;
    width: 8px;
}

.pricing-card .btn {
    margin: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl);
}

/* ========== FAQ SECTION ========== */
.faq-section__grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin: 0 auto;
    max-width: 800px;
}

.faq-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.faq-item__question {
    align-items: center;
    background-color: var(--color-white);
    color: var(--color-gray-900);
    cursor: pointer;
    display: flex;
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    justify-content: space-between;
    padding: var(--spacing-lg);
    text-align: left;
    transition: background-color var(--transition-normal) ease;
    width: 100%;
}

.faq-item__question:hover {
    background-color: var(--color-gray-100);
}

.faq-item__question[aria-expanded="true"] {
    border-bottom: 1px solid var(--color-gray-200);
}

.faq-item__icon {
    color: var(--color-blue-light);
    flex-shrink: 0;
    height: 24px;
    transition: transform var(--transition-normal) ease;
    width: 24px;
}

.faq-item__question[aria-expanded="true"] .faq-item__icon {
    transform: rotate(45deg);
}

.faq-item__answer {
    background-color: var(--color-white);
    display: none;
    padding: var(--spacing-lg);
}

.faq-item__question[aria-expanded="true"] + .faq-item__answer {
    display: block;
}

/* ========== CONTACT SECTION ========== */
.contact-section__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.contact-info__title {
    color: var(--color-gray-900);
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.contact-info__title:first-child {
    margin-top: 0;
}

.contact-info__address {
    color: var(--color-gray-700);
    font-style: normal;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.contact-info__hours,
.contact-info__details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-info__details li {
    align-items: center;
    display: flex;
    gap: var(--spacing-md);
}

.contact-info__details .icon {
    color: var(--color-blue-light);
    flex-shrink: 0;
    height: 24px;
    width: 24px;
}

.contact-form {
    background: linear-gradient(135deg, var(--color-white), var(--color-gray-100));
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group--checkbox {
    flex-direction: row;
    gap: var(--spacing-md);
}

.form-label {
    color: var(--color-gray-700);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.form-input,
.form-select,
.form-textarea {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-sm);
    color: var(--color-gray-900);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    padding: var(--spacing-md);
    transition: border-color var(--transition-normal) ease, box-shadow var(--transition-normal) ease;
    width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-blue-light);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.2);
    outline: none;
}

.form-checkbox {
    flex-shrink: 0;
    height: 20px;
    margin-top: 4px;
    width: 20px;
}

.form-checkbox-label {
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.form-error {
    color: #e53e3e;
    font-size: var(--font-size-sm);
    min-height: 20px;
}

/* ========== FOOTER ========== */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer__main {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

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

.footer__slogan {
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

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

.footer__nav-title {
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

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

.footer__nav-list a {
    color: var(--color-gray-400);
    transition: color var(--transition-normal) ease;
}

.footer__nav-list a:hover {
    color: var(--color-white);
}

.footer__nav-list--contact li {
    align-items: flex-start;
    display: flex;
    gap: var(--spacing-md);
}

.footer__nav-list--contact .icon {
    color: var(--color-blue-light);
    flex-shrink: 0;
    height: 20px;
    margin-top: 3px;
    width: 20px;
}

.footer__nav-list--contact address {
    font-style: normal;
}

.footer__bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer__copyright {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

/* ========== BACK TO TOP BUTTON ========== */
.back-to-top {
    align-items: center;
    background-color: var(--color-blue-light);
    border-radius: var(--border-radius-sm);
    bottom: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
    display: flex;
    height: 50px;
    justify-content: center;
    opacity: 0;
    position: fixed;
    right: var(--spacing-lg);
    transform: translateY(20px);
    transition: opacity var(--transition-normal) ease, transform var(--transition-normal) ease, background-color var(--transition-normal) ease;
    width: 50px;
    z-index: var(--z-30);
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-blue-dark);
    color: var(--color-white);
}

.back-to-top .icon {
    height: 24px;
    width: 24px;
}

/* ========== RESPONSIVE STYLES ========== */
@media (min-width: 640px) {
    .info-section__data {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .benefits-section__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-section__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-section__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer__nav {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero__title {
        font-size: var(--font-size-5xl);
    }
    
    .hero__container {
        flex-direction: row;
        gap: var(--spacing-3xl);
        justify-content: space-between;
    }
    
    .hero__content {
        margin-bottom: 0;
        text-align: left;
    }
    
    .comparison-table__header,
    .comparison-table__row {
        flex-direction: row;
    }
    
    .comparison-table__cell {
        flex: 1;
    }
    
    .comparison-table__header .comparison-table__cell:first-child,
    .comparison-table__row .comparison-table__cell:first-child {
        flex: 0 0 30%;
    }
    
    .process-section__content {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .process-section__image,
    .process-section__steps {
        flex: 0 0 calc(50% - var(--spacing-xl));
    }
    
    .contact-section__content {
        flex-direction: row;
        gap: var(--spacing-3xl);
    }
    
    .contact-section__info,
    .contact-section__form {
        flex: 0 0 calc(50% - var(--spacing-xl));
    }
}

@media (min-width: 1024px) {
    .nav__toggle {
        display: none;
    }
    
    .nav__menu {
        background-color: transparent;
        flex-direction: row;
        height: auto;
        opacity: 1;
        padding: 0;
        position: static;
        transform: translateX(0);
        width: auto;
    }
    
    .nav__item {
        margin-bottom: 0;
        margin-left: var(--spacing-lg);
    }
    
    .nav__link {
        font-size: var(--font-size-base);
        padding: var(--spacing-sm) 0;
    }
    
    .benefits-section__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .testimonials-section__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-section__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer__main {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .footer__brand {
        flex: 0 0 25%;
    }
    
    .footer__nav {
        flex: 0 0 70%;
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ========== ANIMATIONS ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__content,
.hero__image,
.section-header,
.benefit-card,
.data-card,
.step,
.testimonial,
.pricing-card,
.faq-item {
    animation: slideUp 0.6s ease forwards;
}

/* ========== ACCESSIBILITY IMPROVEMENTS ========== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .hero__image img,
    .benefit-card,
    .data-card,
    .testimonial,
    .pricing-card {
        transform: none !important;
    }
    
    .hero__image:hover img {
        transform: none !important;
    }
}

:focus {
    outline: 2px solid var(--color-blue-light);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-blue-light);
    outline-offset: 2px;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: none;
}

.icon {
    fill: currentColor;
    height: 24px;
    width: 24px;
}

.icon--hexagon {
    clip-path: polygon(50% 0%, 93.3% 25%, 93.3% 75%, 50% 100%, 6.7% 75%, 6.7% 25%);
}

.success-card {
    min-height: calc(100vh - 400px);
    padding: var(--spacing-4xl);
    text-align: center;
}

.success-card__icon svg {
    height: 60px;
    width: 60px;
}

.success-card__text,
.success-card__actions {
    margin-bottom: var(--spacing-lg);
}

.success-card__details .icon {
    fill: var(--color-blue-light);
    height: 16px;
    margin-right: var(--spacing-sm);
    width: 16px;
}

.section-header {
    padding-top: var(--spacing-3xl);
}

.legal-page__date {
    font-style: italic;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}