/**
 * Valondra Pilates Studio - Main Stylesheet
 * 
 * This file contains all the styles for the Valondra website.
 * Following mobile-first approach and BEM methodology.
 */

/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --color-background: #E8ECEF;
  --color-accent: #6B7280;
  --color-accent-secondary: #4B5563;
  --color-text: #1F2937;
  --color-button: #9CA3AF;
  --color-white: #FFFFFF;
  --color-light-gray: #F3F4F6;
  --color-success: #10B981;
  --color-error: #EF4444;
  
  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Nunito', sans-serif;
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-md: 1.125rem;   /* 18px */
  --font-size-lg: 1.25rem;    /* 20px */
  --font-size-xl: 1.5rem;     /* 24px */
  --font-size-2xl: 1.875rem;  /* 30px */
  --font-size-3xl: 2.25rem;   /* 36px */
  --font-size-4xl: 3rem;      /* 48px */
  
  /* Spacing */
  --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 */
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 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);
  
  /* Border Radius */
  --radius-sm: 0.25rem;       /* 4px */
  --radius-md: 0.5rem;        /* 8px */
  --radius-lg: 1rem;          /* 16px */
  --radius-xl: 2rem;          /* 32px */
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Device Breakpoints */
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
  
  /* Container Max Widths */
  --container-max-width: 1200px;
  --container-padding: 1.25rem;
}

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

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

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: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

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

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

a:hover {
  color: var(--color-accent-secondary);
}

ul, ol {
  list-style-position: inside;
  margin-bottom: var(--spacing-md);
}

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

button, input, select, textarea {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
}

.no-scroll {
  overflow: hidden;
}

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  font-size: var(--font-size-base);
}

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

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

.btn--secondary {
  background-color: var(--color-button);
  color: var(--color-white);
}

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

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-background);
  transition: all var(--transition-normal);
  padding: var(--spacing-md) 0;
}

.header--sticky {
  box-shadow: var(--shadow-md);
  padding: var(--spacing-sm) 0;
}

.header__container {
  display: grid;
  align-items: center;
  grid-template-columns: 1fr 4fr;
  gap: 2rem;
}

.logo {
  display: block;
  max-width: 180px;
  z-index: 1001;
}

.logo__image {
  width: 100%;
  height: auto;
}

.nav {
  position: relative;
}

.nav__toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  z-index: 1001;
}

.nav__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  margin: 5px 0;
  transition: all var(--transition-fast);
}

.nav__toggle--active .nav__toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle--active .nav__toggle-line:nth-child(2) {
  opacity: 0;
}

.nav__toggle--active .nav__toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__list {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  height: 100vh;
  background-color: var(--color-background);
  display: flex;
  flex-direction: column;
  padding: 80px var(--spacing-xl) var(--spacing-xl);
  transition: right var(--transition-normal);
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  list-style: none;
  margin: 0;
  justify-content: end;
}

.nav__list--active {
  right: 0;
}

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

.nav__link {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

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

.nav__link--accent {
  color: var(--color-accent);
}

.nav__link--accent:hover {
  color: var(--color-accent-secondary);
}

/* ===== HERO SECTION ===== */
.hero {
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  position: relative;
  overflow: hidden;
}

.hero__container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  align-items: center;
}

.hero__content {
  flex: 1;
  z-index: 2;
}

.hero__title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
  position: relative;
}

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

.hero__text {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
}

.hero__btn {
  margin-top: var(--spacing-sm);
}

.hero__image-container {
  flex: 1;
  position: relative;
  z-index: 1;
}

.hero__image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 2;
  position: relative;
}

.hero__circle {
  position: absolute;
  border-radius: var(--radius-full);
  z-index: 1;
}

.hero__circle--1 {
  width: 120px;
  height: 120px;
  background-color: var(--color-accent);
  opacity: 0.1;
  top: -20px;
  right: -30px;
}

.hero__circle--2 {
  width: 80px;
  height: 80px;
  border: 2px solid var(--color-accent-secondary);
  bottom: 30px;
  left: -20px;
}

.hero__circle--3 {
  width: 40px;
  height: 40px;
  background-color: var(--color-accent-secondary);
  opacity: 0.2;
  bottom: -10px;
  right: 30%;
}

/* ===== SECTION TITLE ===== */
.section-title {
  font-size: var(--font-size-2xl);
  text-align: center;
  position: relative;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
}

/* ===== ABOUT SECTION ===== */
.about {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-white);
}

.about__container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  align-items: center;
}

.about__image-container {
  flex: 1;
  position: relative;
}

.about__image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
}

.about__accent {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: var(--color-accent);
  opacity: 0.1;
  border-radius: var(--radius-md);
  top: 20px;
  left: -20px;
  z-index: 1;
}

.about__content {
  flex: 1;
}

.about__title {
  text-align: left;
}

.about__title::after {
  left: 0;
  transform: none;
}

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

/* ===== PHILOSOPHY SECTION ===== */
.philosophy {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-background);
}

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

.philosophy__card {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.philosophy__icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-full);
  margin: 0 auto var(--spacing-md);
}

.philosophy__icon {
  font-size: var(--font-size-xl);
}

.philosophy__card-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.philosophy__card-text {
  font-size: var(--font-size-base);
  color: var(--color-text);
}

/* ===== SERVICES SECTION ===== */
.services {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-white);
}

.services__wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.services__content {
  flex: 1;
}

.services__tabs {
  display: flex;
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-light-gray);
  overflow-x: auto;
  padding-bottom: 2px;
}

.services__tab {
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.services__tab--active, .services__tab:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.services__panels {
  position: relative;
}

.services__panel {
  display: none;
  animation: fadeIn var(--transition-normal);
}

.services__panel--active {
  display: block;
}

.services__panel-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

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

.services__list {
  list-style-type: none;
  margin-bottom: var(--spacing-lg);
}

.services__item {
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-lg);
  position: relative;
}

.services__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent);
}

.services__btn {
  margin-top: var(--spacing-md);
}

.services__images {
  flex: 1;
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.services__image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.services__image--active {
  opacity: 1;
}

/* ===== INSTRUCTORS SECTION ===== */
.instructors {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-background);
}

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

.instructor {
  text-align: center;
  transition: transform var(--transition-normal);
}

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

.instructor__image-container {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto var(--spacing-md);
}

.instructor__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-full);
  border: 3px solid var(--color-white);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 2;
}

.instructor__circle {
  position: absolute;
  top: -10px;
  left: -10px;
  width: calc(100% + 20px);
  height: calc(100% + 20px);
  border-radius: var(--radius-full);
  border: 2px dashed var(--color-accent);
  animation: rotate 20s linear infinite;
  z-index: 1;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.instructor__name {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
}

.instructor__role {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.instructor__bio {
  font-size: var(--font-size-base);
  max-width: 300px;
  margin: 0 auto;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-white);
}

.testimonials__slider {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.testimonial {
  display: none;
  opacity: 0;
  transform: translateX(20px);
  transition: all var(--transition-normal);
}

.testimonial--active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.testimonial__quote {
  background-color: var(--color-light-gray);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.testimonial__quote::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 30px;
  width: 20px;
  height: 20px;
  background-color: var(--color-light-gray);
  transform: rotate(45deg);
}

.testimonial__quote-icon {
  position: absolute;
  top: -15px;
  left: 20px;
}

.testimonial__text {
  font-style: italic;
  margin-bottom: 0;
}

.testimonial__author {
  display: flex;
  align-items: center;
  padding-left: var(--spacing-xl);
}

.testimonial__circle {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent);
  opacity: 0.2;
  margin-right: var(--spacing-md);
}

.testimonial__author-name {
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-xs);
}

.testimonial__author-detail {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  margin-bottom: 0;
}

.testimonials__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--spacing-xl);
}

.testimonials__control {
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: var(--font-size-xl);
  cursor: pointer;
  padding: var(--spacing-xs);
  transition: color var(--transition-fast);
}

.testimonials__control:hover {
  color: var(--color-accent-secondary);
}

.testimonials__dots {
  display: flex;
  gap: var(--spacing-sm);
  margin: 0 var(--spacing-md);
}

.testimonials__dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background-color: var(--color-button);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.testimonials__dot--active, .testimonials__dot:hover {
  background-color: var(--color-accent);
  transform: scale(1.2);
}

/* ===== CONTACT SECTION ===== */
.contact {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-background);
}

.contact__container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.contact__content {
  flex: 1;
}

.contact__title {
  text-align: left;
}

.contact__title::after {
  left: 0;
  transform: none;
}

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

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

.contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.contact__info-icon {
  color: var(--color-accent);
  font-size: var(--font-size-xl);
  margin-top: var(--spacing-xs);
}

.contact__info-title {
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-xs);
}

.contact__info-text {
  margin-bottom: 0;
}

.contact__form-container {
  flex: 1;
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

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

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-button);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-textarea {
  resize: vertical;
}

.form-group--checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.form-checkbox {
  margin-top: 5px;
}

.form-checkbox-label {
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.form-link {
  color: var(--color-accent);
  text-decoration: underline;
}

.form-submit {
  width: 100%;
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--color-text);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-md);
}

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

.footer__logo {
  display: block;
  max-width: 150px;
  filter: brightness(10);
}

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

.footer__column-title {
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
}

.footer__list {
  list-style: none;
  margin-bottom: 0;
}

.footer__item {
  margin-bottom: var(--spacing-sm);
}

.footer__link {
  color: var(--color-light-gray);
  transition: color var(--transition-fast);
}

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

.footer__address {
  font-style: normal;
}

.footer__address-item {
  margin-bottom: var(--spacing-sm);
  color: var(--color-light-gray);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--color-light-gray);
  margin-bottom: 0;
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 40px;
  height: 40px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
  z-index: 99;
}

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

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

/* ===== PAGE HEADER (FOR SUBPAGES) ===== */
.page-header {
  padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-xl);
  background-color: var(--color-white);
  text-align: center;
  position: relative;
}

.page-header__title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
  padding-bottom: var(--spacing-sm);
}

.page-header__title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
}

.page-header__accent {
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100%;
  height: 20px;
  background-color: var(--color-accent);
  opacity: 0.1;
}

/* ===== LEGAL PAGES ===== */
.legal {
  padding: var(--spacing-2xl) 0 var(--spacing-3xl);
  background-color: var(--color-background);
}

.legal__content {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.legal__heading {
  font-size: var(--font-size-xl);
  color: var(--color-text);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.legal__heading:first-child {
  margin-top: 0;
}

.legal__subheading {
  font-size: var(--font-size-md);
  color: var(--color-accent-secondary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

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

.legal__list {
  list-style-type: disc;
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.legal__item {
  margin-bottom: var(--spacing-sm);
}

.legal__link {
  color: var(--color-accent);
  text-decoration: underline;
}

.legal__text--updated {
  font-style: italic;
  color: var(--color-accent-secondary);
  margin-top: var(--spacing-2xl);
  font-size: var(--font-size-sm);
}

/* ===== SUCCESS PAGE ===== */
.success {
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  background-color: var(--color-background);
}

.success__container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.success__content {
  flex: 1;
  text-align: center;
}

.success__icon-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-lg);
}

.success__icon {
  font-size: 40px;
}

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

.success__text {
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

.success__details {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.success__details-text {
  margin-bottom: 0;
}

.success__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 400px;
  margin: 0 auto;
}

.success__image-container {
  flex: 1;
  position: relative;
  aspect-ratio: 4/3;
}

.success__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
}

.success__circle {
  position: absolute;
  border-radius: var(--radius-full);
  z-index: 1;
}

.success__circle--1 {
  width: 100px;
  height: 100px;
  background-color: var(--color-accent);
  opacity: 0.1;
  top: -20px;
  right: -30px;
}

.success__circle--2 {
  width: 60px;
  height: 60px;
  border: 2px solid var(--color-accent-secondary);
  bottom: -10px;
  left: 30px;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-title, .hero__title, .hero__text, .about__content, .philosophy__card, 
.instructor, .testimonial, .contact__content, .contact__form-container {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate {
  opacity: 1;
  transform: translateY(0);
}

/* ===== MEDIA QUERIES ===== */
/* Small devices (576px and up) */
@media (min-width: 576px) {
  .hero__title {
    font-size: var(--font-size-4xl);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .success__actions {
    flex-direction: row;
    justify-content: center;
  }
  
  .instructors__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .philosophy__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Medium devices (768px and up) */
@media (min-width: 768px) {
  .nav__toggle {
    display: none;
  }
  
  .nav__list {
    position: static;
    width: auto;
    height: auto;
    background-color: transparent;
    display: flex;
    flex-direction: row;
    padding: 0;
    box-shadow: none;
    gap: var(--spacing-lg);
  }
  
  .nav__item {
    margin-bottom: 0;
  }
  
  .nav__link {
    font-size: var(--font-size-base);
  }
  
  .hero__container {
    flex-direction: row;
  }
  
  .about__container {
    flex-direction: row;
  }
  
  .services__wrapper {
    flex-direction: row;
  }
  
  .contact__container {
    flex-direction: row;
  }
  
  .footer__columns {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }
  
  .footer__top {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
  
  .success__container {
    flex-direction: row;
  }
}

/* Large devices (992px and up) */
@media (min-width: 992px) {
  .instructors__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .philosophy__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Extra large devices (1200px and up) */
@media (min-width: 1200px) {
  :root {
    --container-padding: 2rem;
  }
}