/* ===================================
   Helena Rad - Yoga Prénatal & Postnatal
   Design minimaliste, doux, élégant
   =================================== */

/* --- Variables --- */
:root {
  /* Colors - Palette douce noir/blanc/gris */
  --color-bg: #ffffff;
  --color-bg-alt: #fafafa;
  --color-bg-warm: #f8f7f5;
  --color-text: #1a1a1a;
  --color-text-light: #5a5a5a;
  --color-text-muted: #8a8a8a;
  --color-border: #e5e5e5;
  --color-border-light: #f0f0f0;

  /* Typography */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  /* Transitions */
  --transition-fast: 200ms ease;
  --transition-base: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-width: 1100px;
  --container-padding: 2rem;
}

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

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

body {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: var(--color-text);
  color: var(--color-bg);
}

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

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

a:hover {
  opacity: 0.7;
}

ul {
  list-style: none;
}

strong {
  font-weight: 500;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.5rem, 7vw, 5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
  margin-bottom: 1.5em;
}

p:last-child {
  margin-bottom: 0;
}

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

.section {
  padding: var(--space-xl) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-2xl) 0;
  }
}

/* --- Section Labels & Titles --- */
.section-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.section-title {
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.section-description {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  max-width: 550px;
  margin-bottom: var(--space-lg);
}

/* --- Button --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--color-text);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn:hover {
  background: var(--color-text);
  color: var(--color-bg);
  opacity: 1;
}

.btn-primary {
  background: var(--color-text);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-text);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--container-padding);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.nav-links {
  display: none;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-text);
  opacity: 1;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-text);
  transition: all var(--transition-fast);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-xl) var(--container-padding);
  position: relative;
  background: linear-gradient(165deg, #fdfcfb 0%, #f7f5f3 40%, #f3eeea 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.7;
}

.hero-shape-1 {
  width: 700px;
  height: 700px;
  background: linear-gradient(135deg, #e0d0c4 0%, #c9b8a8 100%);
  top: -180px;
  right: -100px;
  animation: float-1 8s ease-in-out infinite;
}

.hero-shape-2 {
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, #d8c9bb 0%, #ccbaa8 100%);
  bottom: -80px;
  left: -80px;
  animation: float-2 10s ease-in-out infinite;
}

.hero-shape-3 {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, #e5d8cc 0%, #d4c4b5 100%);
  top: 50%;
  left: 15%;
  opacity: 0.45;
  animation: float-3 7s ease-in-out infinite;
}

@keyframes float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(-60px, 50px) scale(1.08); }
  50% { transform: translate(80px, -70px) scale(1.18); }
  75% { transform: translate(30px, 60px) scale(0.92); }
}

@keyframes float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(90px, -50px) scale(1.12); }
  66% { transform: translate(-60px, 70px) scale(0.88); }
}

@keyframes float-3 {
  0%, 100% { transform: translate(0, -50%) scale(1); opacity: 0.45; }
  50% { transform: translate(60px, calc(-50% + 50px)) scale(1.2); opacity: 0.65; }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-scroll {
  z-index: 1;
}

.hero-content {
  max-width: 700px;
}

.hero-subtitle {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.hero-title {
  font-size: clamp(3rem, 9vw, 6rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
  line-height: 1.05;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-style: italic;
  font-weight: 300;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.hero-scroll span {
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--color-text-muted), transparent);
  animation: scroll-pulse 2.5s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(1.1); }
}

/* --- Introduction --- */
.intro {
  background: var(--color-bg);
}

.intro-grid {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 768px) {
  .intro-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-2xl);
  }
}

.intro-image {
  position: relative;
  overflow: hidden;
}

.intro-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 3/4;
  object-fit: cover;
  filter: grayscale(15%) contrast(0.95);
  transition: filter var(--transition-slow);
}

.intro-image:hover img {
  filter: grayscale(0%) contrast(1);
}

.intro-content .section-title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  line-height: 1.3;
}

.intro-text {
  font-size: 1rem;
  color: var(--color-text-light);
}

.intro-highlight {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-text);
  padding-left: var(--space-md);
  border-left: 1px solid var(--color-border);
  margin-top: var(--space-md);
}

/* --- Audience --- */
.audience {
  background: var(--color-bg-warm);
}

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

.audience .section-title {
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.audience-grid {
  display: grid;
  gap: var(--space-sm);
  max-width: 700px;
  margin: 0 auto var(--space-lg);
  text-align: left;
}

@media (min-width: 600px) {
  .audience-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
}

.audience-item {
  padding: var(--space-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
}

.audience-item p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin: 0;
}

.audience-note {
  font-size: 0.9375rem;
  font-style: italic;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Approach --- */
.approach {
  background: var(--color-bg);
}

.approach-container {
  max-width: var(--container-width);
  display: grid;
  gap: var(--space-xl);
  align-items: start;
}

@media (min-width: 900px) {
  .approach-container {
    grid-template-columns: 0.8fr 1.2fr;
    gap: var(--space-2xl);
  }
}

.approach-image {
  position: relative;
  overflow: hidden;
}

@media (max-width: 899px) {
  .approach-image {
    max-width: 300px;
    margin: 0 auto var(--space-lg);
  }
}

.approach-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(20%) contrast(0.95);
  transition: filter var(--transition-slow);
}

.approach-image:hover img {
  filter: grayscale(0%) contrast(1);
}

.approach-text-content {
  max-width: 600px;
}

.approach-content {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.approach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

@media (min-width: 600px) {
  .approach-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.approach-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-bg-warm);
}

.approach-icon {
  font-size: 0.625rem;
  color: var(--color-text-muted);
  line-height: 2;
}

.approach-item p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin: 0;
}

.approach-details {
  font-size: 1rem;
  color: var(--color-text-light);
}

.approach-closing {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-text);
  margin-top: var(--space-md);
}

/* --- About --- */
.about {
  background: var(--color-bg-warm);
}

.about-grid {
  display: grid;
  gap: var(--space-xl);
  align-items: start;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1.3fr 1fr;
    gap: var(--space-2xl);
  }
}

.about-text {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.9;
}

.about-closing {
  font-weight: 400;
  color: var(--color-text);
}

.about-image {
  position: relative;
  overflow: hidden;
}

@media (max-width: 767px) {
  .about-image {
    order: -1;
    max-width: 350px;
    margin: 0 auto;
  }
}

.about-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(20%) contrast(0.95);
  transition: filter var(--transition-slow);
}

.about-image:hover img {
  filter: grayscale(0%) contrast(1);
}

/* --- Courses --- */
.courses {
  background: var(--color-bg);
}

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

.courses-grid {
  display: grid;
  gap: var(--space-md);
  text-align: left;
  margin-bottom: var(--space-xl);
}

@media (min-width: 700px) {
  .courses-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

.course-card {
  padding: var(--space-lg);
  background: var(--color-bg-warm);
  border: 1px solid var(--color-border-light);
}

.course-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.course-intro {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.course-subtitle {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.course-list {
  margin-bottom: var(--space-md);
}

.course-list li {
  position: relative;
  padding-left: var(--space-md);
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.course-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-text-muted);
}

.course-note {
  font-size: 0.875rem;
  font-style: italic;
  color: var(--color-text-muted);
}

.courses-image {
  max-width: 600px;
  margin: 0 auto;
  overflow: hidden;
}

.courses-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
  filter: grayscale(25%) contrast(0.95);
  transition: filter var(--transition-slow);
}

.courses-image:hover img {
  filter: grayscale(0%) contrast(1);
}

/* --- Locations --- */
.locations {
  background: var(--color-bg-warm);
}

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

.locations-grid {
  display: grid;
  gap: var(--space-md);
  text-align: center;
}

@media (min-width: 600px) {
  .locations-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
}

@media (min-width: 1000px) {
  .locations-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
  }
}

.location-card {
  padding: var(--space-lg) var(--space-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.location-name {
  font-size: 1.25rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xs);
}

.location-icon {
  font-size: 0.7rem;
  opacity: 0.7;
  flex-shrink: 0;
  width: 1.2rem;
  text-align: center;
}

.location-type {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  height: 2.2rem;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  margin-bottom: var(--space-xs);
}

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

.location-schedule {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
}

.location-course {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  font-style: italic;
  color: var(--color-text-light);
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xs);
}

.location-address {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  height: 2.8rem;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  margin-bottom: var(--space-sm);
}

.location-address-text {
  text-align: left;
}

.location-price {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  color: var(--color-text);
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
}

.location-card .btn {
  margin-top: auto;
  font-size: 0.75rem;
  padding: 0.75rem 2rem;
  white-space: nowrap;
}

.location-btn-hint {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* Card "À venir" */
.location-card-coming {
  background: var(--color-bg-alt);
  border-style: dashed;
}

.location-coming-badge {
  margin-top: auto;
  display: inline-block;
  padding: 0.75rem 1rem;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-bg-warm);
  border-radius: 2px;
  white-space: nowrap;
}

.location-card-coming .location-btn-hint-spacer {
  height: 1.5rem;
}

/* --- Contact --- */
.contact {
  background: var(--color-bg);
}

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

.contact .section-description {
  margin-left: auto;
  margin-right: auto;
}

.contact-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 600px;
  margin: 0 auto;
}

@media (min-width: 600px) {
  .contact-grid {
    flex-direction: row;
    justify-content: center;
    gap: var(--space-xl);
  }
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.contact-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-value {
  font-size: 1rem;
  color: var(--color-text);
}

/* --- Footer --- */
.footer {
  padding: var(--space-lg) 0;
  text-align: center;
  border-top: 1px solid var(--color-border-light);
}

.footer p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer .beu-credit {
  margin-top: var(--space-xs);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Gliker font for Bèu Studio */
@font-face {
  font-family: 'Gliker';
  src: url('assets/fonts/Gliker-Regular.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

.footer .beu-studio {
  font-family: 'Gliker', sans-serif;
  color: #D97757;
  text-decoration: none;
}

.footer .beu-studio:hover {
  opacity: 0.8;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(25px);
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

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

/* Stagger animations */
.fade-in:nth-child(1) { transition-delay: 0ms; }
.fade-in:nth-child(2) { transition-delay: 80ms; }
.fade-in:nth-child(3) { transition-delay: 160ms; }
.fade-in:nth-child(4) { transition-delay: 240ms; }

/* --- Mobile Menu --- */
body.nav-menu-open {
  overflow: hidden;
}

body.nav-menu-open .nav-links {
  display: flex !important;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  background-color: #ffffff;
  z-index: 9999;
}

body.nav-menu-open .nav-links a {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--color-text);
}

body.nav-menu-open .nav-toggle {
  position: fixed;
  top: var(--space-md);
  right: var(--container-padding);
  z-index: 10000;
}

body.nav-menu-open .nav-toggle span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

body.nav-menu-open .nav-toggle span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

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