/* 
* Monquerta Pilates Studio - Main Stylesheet
* Author: Claude AI
* Version: 1.0
*/

/* ========== VARIABLES ========== */
:root {
  /* Colors */
  --color-background: #F0F4F8;
  --color-accent: #B2C8DF;
  --color-secondary-accent: #7F9BC2;
  --color-text: #333333;
  --color-button: #A3BFFA;
  --color-button-hover: #8FAAF2;
  --color-white: #FFFFFF;
  --color-light-gray: #F5F7F9;
  --color-mid-gray: #E2E8F0;
  --color-dark-gray: #4A5568;
  
  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Source Sans Pro', sans-serif;
  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */
  --font-size-5xl: 3rem;     /* 48px */
  
  /* Spacing */
  --spacing-1: 0.25rem;  /* 4px */
  --spacing-2: 0.5rem;   /* 8px */
  --spacing-3: 0.75rem;  /* 12px */
  --spacing-4: 1rem;     /* 16px */
  --spacing-5: 1.5rem;   /* 24px */
  --spacing-6: 2rem;     /* 32px */
  --spacing-8: 3rem;     /* 48px */
  --spacing-10: 4rem;    /* 64px */
  --spacing-12: 5rem;    /* 80px */
  --spacing-16: 8rem;    /* 128px */
  
  /* Borders */
  --border-radius-sm: 0.125rem; /* 2px */
  --border-radius: 0.25rem;     /* 4px */
  --border-radius-md: 0.375rem; /* 6px */
  --border-radius-lg: 0.5rem;   /* 8px */
  --border-radius-xl: 1rem;     /* 16px */
  --border-radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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);
  
  /* Transitions */
  --transition-fast: 150ms;
  --transition-normal: 300ms;
  --transition-slow: 500ms;
  
  /* Z-index */
  --z-behind: 1;
  --z-normal: 2;
  --z-above: 5;
  --z-header: 10;
  --z-overlay: 20;
  --z-modal: 30;
  --z-top: 100;
  
  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
}

/* ========== BASE STYLES ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-4);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--spacing-4);
}

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

a:hover {
  color: var(--color-text);
}

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

button {
  cursor: pointer;
}

ul, ol {
  padding-left: var(--spacing-5);
  margin-bottom: var(--spacing-4);
}

/* ========== UTILITIES ========== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.fluid-container {
  width: 100%;
  padding: 0 var(--spacing-4);
}

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

.mb-0 {
  margin-bottom: 0;
}

.mb-2 {
  margin-bottom: var(--spacing-2);
}

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

.mb-6 {
  margin-bottom: var(--spacing-6);
}

.mb-8 {
  margin-bottom: var(--spacing-8);
}

.mt-4 {
  margin-top: var(--spacing-4);
}

.mt-8 {
  margin-top: var(--spacing-8);
}

.py-4 {
  padding-top: var(--spacing-4);
  padding-bottom: var(--spacing-4);
}

.py-8 {
  padding-top: var(--spacing-8);
  padding-bottom: var(--spacing-8);
}

.py-12 {
  padding-top: var(--spacing-12);
  padding-bottom: var(--spacing-12);
}

.section {
  padding: var(--spacing-10) 0;
}

.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-4) 0;
  background-color: var(--color-background);
  z-index: var(--z-header);
  transition: padding var(--transition-normal), box-shadow var(--transition-normal);
}

.header--scrolled {
  padding: var(--spacing-2) 0;
  box-shadow: var(--shadow);
}

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

.header__logo {
  display: block;
  width: 150px;
  transition: width var(--transition-normal);
}

.header--scrolled .header__logo {
  width: 120px;
}

/* ========== NAVIGATION ========== */
.nav {
  display: none;
}

.nav__list {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav__item {
  margin-left: var(--spacing-4);
}

.nav__link {
  font-family: var(--font-heading);
  color: var(--color-text);
  font-size: var(--font-size-base);
  font-weight: 500;
  padding: var(--spacing-2);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary-accent);
  transition: width var(--transition-normal), left var(--transition-normal);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
  left: 0;
}

.mobile-nav-toggle {
  display: block;
  background: none;
  border: none;
  width: 30px;
  height: 20px;
  position: relative;
  z-index: var(--z-overlay);
}

.mobile-nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  position: absolute;
  left: 0;
  transition: all var(--transition-normal);
}

.mobile-nav-toggle__bar:nth-child(1) {
  top: 0;
}

.mobile-nav-toggle__bar:nth-child(2) {
  top: 9px;
}

.mobile-nav-toggle__bar:nth-child(3) {
  top: 18px;
}

.mobile-nav-toggle--active .mobile-nav-toggle__bar:nth-child(1) {
  transform: rotate(45deg);
  top: 9px;
}

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

.mobile-nav-toggle--active .mobile-nav-toggle__bar:nth-child(3) {
  transform: rotate(-45deg);
  top: 9px;
}

.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-background);
  padding-top: 80px;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  z-index: var(--z-modal);
}

.mobile-nav--active {
  transform: translateX(0);
}

.mobile-nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
}

.mobile-nav__item {
  margin-bottom: var(--spacing-6);
}

.mobile-nav__link {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  color: var(--color-text);
}

/* ========== HERO SECTION ========== */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  margin-bottom: var(--spacing-10);
  overflow: hidden;
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.hero__content {
  position: relative;
  z-index: var(--z-above);
  max-width: 700px;
  padding: var(--spacing-8);
  background-color: rgba(240, 244, 248, 0.85);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(5px);
  box-shadow: var(--shadow-lg);
}

.hero__title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-4);
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  font-weight: 400;
  margin-bottom: var(--spacing-6);
  font-family: var(--font-body);
}

.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 500;
  text-align: center;
  vertical-align: middle;
  user-select: none;
  background-color: transparent;
  border: 1px solid transparent;
  padding: var(--spacing-2) var(--spacing-5);
  font-size: var(--font-size-base);
  line-height: 1.5;
  border-radius: var(--border-radius-full);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.btn--primary {
  color: var(--color-text);
  background-color: var(--color-button);
  border-color: var(--color-button);
  box-shadow: var(--shadow);
}

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

.btn--secondary {
  color: var(--color-text);
  background-color: transparent;
  border-color: var(--color-secondary-accent);
}

.btn--secondary:hover {
  background-color: var(--color-secondary-accent);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn--lg {
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-lg);
}

/* ========== SECTION STYLES ========== */
.section {
  padding: var(--spacing-10) 0;
  position: relative;
}

.section__title {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-8);
  z-index: var(--z-above);
}

.section__title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
}

.section__content {
  position: relative;
  z-index: var(--z-above);
}

/* Intro Section */
.intro {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.intro__inner {
  display: flex;
  flex-direction: column;
}

.intro__content {
  padding: var(--spacing-8);
}

.intro__image {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

/* Classes Section */
.classes__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

.class-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.class-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.class-card__content {
  padding: var(--spacing-4);
}

.class-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2);
}

.class-card__description {
  margin-bottom: var(--spacing-4);
}

/* Instructors Section */
.instructors__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

.instructor-card {
  text-align: center;
  padding: var(--spacing-4);
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.instructor-card__image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--spacing-4);
  border: 3px solid var(--color-accent);
}

.instructor-card__name {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2);
}

.instructor-card__title {
  font-size: var(--font-size-sm);
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-3);
}

/* Testimonials Section */
.testimonials {
  background-color: var(--color-accent);
  padding: var(--spacing-12) 0;
  position: relative;
  overflow: hidden;
}

.testimonials::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/pattern.svg');
  background-size: cover;
  opacity: 0.05;
  z-index: var(--z-normal);
}

.testimonials__slider {
  position: relative;
  z-index: var(--z-above);
}

.testimonial {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-lg);
  margin: 0 var(--spacing-4);
}

.testimonial__text {
  font-style: italic;
  margin-bottom: var(--spacing-4);
  position: relative;
}

.testimonial__text::before {
  content: '"';
  font-family: var(--font-heading);
  font-size: var(--font-size-5xl);
  position: absolute;
  top: -20px;
  left: -10px;
  color: var(--color-accent);
  opacity: 0.3;
}

.testimonial__author {
  display: flex;
  align-items: center;
}

.testimonial__author-image {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: var(--spacing-3);
}

.testimonial__author-name {
  font-weight: 600;
  margin-bottom: 0;
}

/* Studio Features Section */
.features__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-4);
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  transition: transform var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-card__icon {
  font-size: var(--font-size-3xl);
  color: var(--color-secondary-accent);
  margin-bottom: var(--spacing-4);
}

.feature-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2);
}

/* Wellness Tips Section */
.tips__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

.tip-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.tip-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.tip-card__content {
  padding: var(--spacing-4);
}

.tip-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2);
}

/* FAQ Section */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: var(--spacing-4);
  border-radius: var(--border-radius-lg);
  background-color: var(--color-white);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-item__question {
  padding: var(--spacing-4);
  cursor: pointer;
  position: relative;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item__question::after {
  content: '+';
  font-size: var(--font-size-xl);
  transition: transform var(--transition-normal);
}

.faq-item__question--active::after {
  transform: rotate(45deg);
}

.faq-item__answer {
  padding: 0 var(--spacing-4);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-item__answer--active {
  padding: 0 var(--spacing-4) var(--spacing-4);
  max-height: 500px;
}

/* Contact Section */
.contact {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.contact__inner {
  display: flex;
  flex-direction: column;
}

.contact__form-container {
  padding: var(--spacing-8);
}

.contact__map-container {
  height: 300px;
}

.contact__map {
  width: 100%;
  height: 100%;
  border: none;
}

.contact__info {
  margin-bottom: var(--spacing-6);
}

.contact__info-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-3);
}

.contact__info-icon {
  margin-right: var(--spacing-3);
  color: var(--color-secondary-accent);
  font-size: var(--font-size-lg);
}

/* Form Styles */
.form__group {
  margin-bottom: var(--spacing-4);
}

.form__label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: 600;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: var(--spacing-3);
  border: 1px solid var(--color-mid-gray);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-secondary-accent);
  box-shadow: 0 0 0 3px rgba(127, 155, 194, 0.3);
}

.form__textarea {
  resize: vertical;
  min-height: 150px;
}

/* ========== FOOTER ========== */
.footer {
  background-color: var(--color-accent);
  padding: var(--spacing-8) 0;
  position: relative;
}

.footer__container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer__nav {
  margin-bottom: var(--spacing-6);
}

.footer__nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: var(--spacing-4);
}

.footer__nav-link {
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
}

.footer__logo {
  width: 120px;
  margin-bottom: var(--spacing-4);
}

.footer__copyright {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-dark-gray);
}

/* ========== BACK TO TOP BUTTON ========== */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-4);
  right: var(--spacing-4);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background-color: var(--color-button);
  color: var(--color-text);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  z-index: var(--z-top);
  cursor: pointer;
}

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

.back-to-top:hover {
  background-color: var(--color-button-hover);
}

.back-to-top__icon {
  font-size: var(--font-size-xl);
}

/* ========== COOKIE POLICY, PRIVACY, TERMS PAGES ========== */
.legal-page {
  padding-top: 120px;
  padding-bottom: var(--spacing-10);
}

.legal-page__content {
  background-color: var(--color-white);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
}

.legal-page__title {
  margin-bottom: var(--spacing-6);
}

.legal-page__section {
  margin-bottom: var(--spacing-6);
}

.legal-page__section-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-3);
}

/* ========== SUCCESS PAGE ========== */
.success-page {
  padding-top: 200px;
  padding-bottom: 200px;
  text-align: center;
}

.success-page__content {
  background-color: var(--color-white);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  max-width: 600px;
  margin: 0 auto;
}

.success-page__icon {
  font-size: 60px;
  color: #4CAF50;
  margin-bottom: var(--spacing-4);
}

.success-page__title {
  margin-bottom: var(--spacing-4);
}

.success-page__text {
  margin-bottom: var(--spacing-6);
}

/* ========== FLUID SHAPES ========== */
.fluid-shape {
  position: absolute;
  z-index: var(--z-behind);
}

.fluid-shape--1 {
  top: -150px;
  right: -100px;
  width: 600px;
  height: 600px;
  background-color: var(--color-accent);
  opacity: 0.1;
  border-radius: 58% 42% 38% 62% / 42% 55% 45% 58%;
  animation: morph 15s linear infinite alternate;
}

.fluid-shape--2 {
  bottom: -150px;
  left: -100px;
  width: 500px;
  height: 500px;
  background-color: var(--color-secondary-accent);
  opacity: 0.1;
  border-radius: 62% 38% 70% 30% / 30% 52% 48% 70%;
  animation: morph 12s linear infinite alternate;
}

@keyframes morph {
  0% {
    border-radius: 58% 42% 38% 62% / 42% 55% 45% 58%;
    transform: rotate(0deg);
  }
  50% {
    border-radius: 42% 58% 70% 30% / 45% 45% 55% 55%;
    transform: rotate(180deg);
  }
  100% {
    border-radius: 62% 38% 45% 55% / 50% 30% 70% 50%;
    transform: rotate(360deg);
  }
}

/* ========== RESPONSIVE STYLES ========== */
/* Small devices (landscape phones, 640px and up) */
@media (min-width: 640px) {
  .classes__list,
  .instructors__list,
  .features__list,
  .tips__list {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
  }
  
  .form__group--full {
    grid-column: span 2;
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  h1 {
    font-size: var(--font-size-5xl);
  }
  
  h2 {
    font-size: var(--font-size-4xl);
  }
  
  .mobile-nav-toggle {
    display: none;
  }
  
  .nav {
    display: block;
  }
  
  .intro__inner {
    flex-direction: row;
  }
  
  .intro__content,
  .intro__image-container {
    width: 50%;
  }
  
  .intro__image {
    height: 100%;
  }
  
  .contact__inner {
    flex-direction: row;
  }
  
  .contact__form-container,
  .contact__map-container {
    width: 50%;
  }
  
  .contact__map-container {
    height: auto;
  }
}

/* Large devices (desktops, 1024px and up) */
@media (min-width: 1024px) {
  .classes__list,
  .features__list,
  .tips__list {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .instructors__list {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .hero__content {
    max-width: 600px;
  }
}

/* Extra large devices (large desktops, 1280px and up) */
@media (min-width: 1280px) {
  .hero__content {
    max-width: 700px;
  }
  
  .section {
    padding: var(--spacing-16) 0;
  }
}