/* ===========================
   VARIABLES Y TOKENS DE DISENO
   =========================== */
:root {
  /* Colores */
  --color-white: #FFFFFF;
  --color-cream: #F7F4F0;
  --color-cream-dark: #EDE8E2;
  --color-green: #7B3FA0;
  --color-green-dark: #5A2D78;
  --color-green-light: #DFCCF0;
  --color-green-xlight: #F4EDFA;
  --color-text: #1C1C1C;
  --color-text-mid: #4A4A4A;
  --color-text-light: #7A7A7A;
  --color-border: #E2DDD7;

  /* Tipografia */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Tamanos de fuente */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.75rem;
  --text-5xl: 3.75rem;

  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Bordes */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);

  /* Transiciones */
  --transition: 0.25s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

input, select, textarea {
  font-family: inherit;
}

/* ===========================
   UTILIDADES
   =========================== */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ===========================
   NAVEGACION
   =========================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-5) 0;
  background-color: transparent;
  transition: background-color var(--transition), box-shadow var(--transition), padding var(--transition);
}

.nav.scrolled {
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4) 0;
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-green-dark);
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-mid);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

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

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

/* ===========================
   HERO
   =========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--color-cream);
  position: relative;
  overflow: hidden;
  padding: var(--space-24) var(--space-6);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.hero__eyebrow {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-green);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-4xl), 8vw, var(--text-5xl));
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.hero__subtitle {
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--color-text-mid);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Decoracion hero */
.hero__decoration {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 45%;
  pointer-events: none;
}

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

.hero__circle--1 {
  width: 420px;
  height: 420px;
  background-color: var(--color-green-light);
  opacity: 0.4;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
}

.hero__circle--2 {
  width: 280px;
  height: 280px;
  background-color: var(--color-green);
  opacity: 0.08;
  right: 120px;
  top: 15%;
}

.hero__leaf {
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  width: 180px;
  color: var(--color-green-dark);
  opacity: 0.7;
}

/* ===========================
   BOTONES
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background-color var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

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

.btn--primary:hover {
  background-color: var(--color-green-dark);
  box-shadow: 0 4px 20px rgba(123, 63, 160, 0.35);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-green);
  border: 1.5px solid var(--color-green);
}

.btn--ghost:hover {
  background-color: var(--color-green-xlight);
}

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

/* ===========================
   SECTION HEADER
   =========================== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-green);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-light);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===========================
   SECCION CLASES
   =========================== */
.clases {
  padding: var(--space-24) 0;
  background-color: var(--color-white);
}

.clases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.clase-card {
  position: relative;
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.clase-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.clase-card--featured {
  background-color: var(--color-green-dark);
  border-color: var(--color-green-dark);
  color: var(--color-white);
}

.clase-card__badge {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.3);
}

.clase-card__icon {
  width: 48px;
  height: 48px;
  color: var(--color-green);
  margin-bottom: var(--space-6);
}

.clase-card--featured .clase-card__icon {
  color: rgba(255, 255, 255, 0.8);
}

.clase-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
  line-height: 1.2;
}

.clase-card__desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-text-mid);
  margin-bottom: var(--space-6);
}

.clase-card--featured .clase-card__desc {
  color: rgba(255, 255, 255, 0.75);
}

.clase-card__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-5);
}

.clase-card--featured .clase-card__info {
  border-top-color: rgba(255, 255, 255, 0.15);
}

.clase-card__info li {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.clase-card__label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.clase-card--featured .clase-card__label {
  color: rgba(255, 255, 255, 0.5);
}

.clase-card__value {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text);
}

.clase-card--featured .clase-card__value {
  color: var(--color-white);
}

/* ===========================
   SECCION TESTIMONIOS
   =========================== */
.testimonios {
  padding: var(--space-24) 0;
  background-color: var(--color-white);
}

.testimonios__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonio-card {
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.testimonio-card__estrellas {
  display: flex;
  gap: var(--space-1);
  color: var(--color-green);
  font-size: var(--text-base);
}

.testimonio-card__texto {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-text-mid);
  font-style: italic;
  flex: 1;
}

.testimonio-card__autor {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-5);
}

.testimonio-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: var(--color-green-light);
  color: var(--color-green-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-base);
  flex-shrink: 0;
}

.testimonio-card__nombre {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.testimonio-card__clase {
  font-size: var(--text-xs);
  color: var(--color-green);
  letter-spacing: 0.04em;
}

/* ===========================
   SECCION CONTACTO
   =========================== */
.contacto {
  padding: var(--space-24) 0;
  background-color: var(--color-cream);
}

.contacto__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contacto__info .section-title {
  text-align: left;
  margin-bottom: var(--space-4);
}

.contacto__desc {
  font-size: var(--text-base);
  color: var(--color-text-mid);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.contacto__datos {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contacto__dato {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.contacto__dato-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-green);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contacto__dato-valor {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
}

/* Formulario */
.contacto__form {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  background-color: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(123, 63, 160, 0.12);
}

.form-input.error {
  border-color: #d94f4f;
}

.form-input::placeholder {
  color: var(--color-text-light);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%237A7A7A' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
  cursor: pointer;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  font-size: var(--text-xs);
  color: #d94f4f;
  min-height: 16px;
}

.form-success {
  font-size: var(--text-sm);
  color: var(--color-green-dark);
  text-align: center;
  font-weight: 500;
  min-height: 20px;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background-color: var(--color-text);
  padding: var(--space-8) 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-white);
  font-weight: 600;
}

.footer__copy {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.45);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 900px) {
  .clases__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .testimonios__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .contacto__inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .hero__decoration {
    display: none;
  }
}

@media (max-width: 640px) {
  .nav__links {
    display: none;
    flex-direction: column;
    gap: var(--space-6);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    text-align: center;
  }

  .nav__links.open {
    display: flex;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__toggle.active span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }

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

  .nav__toggle.active span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  .hero {
    padding: var(--space-20) var(--space-6) var(--space-16);
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .clases,
  .contacto {
    padding: var(--space-16) 0;
  }

  .section-header {
    margin-bottom: var(--space-8);
  }

  .contacto__form {
    padding: var(--space-6);
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}