@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --td-bg: #0f0d0b;
  --td-bg-light: #faf7f2;
  --td-surface: #1a1612;
  --td-surface-light: #ffffff;
  --td-text-dark: #1a1612;
  --td-text-light: #f5f0e8;
  --td-text-muted: #6b6560;
  --td-text-muted-light: #9e9890;
  --td-primary: #c8622a;
  --td-primary-dark: #a84e1e;
  --td-primary-light: #e07840;
  --td-accent: #d4a853;
  --td-accent-dark: #b8913e;
  --td-violet: #7c5c9e;
  --td-sienna: #8b4513;
  --td-forest: #3d5a3e;
  --td-border: rgba(200, 98, 42, 0.15);
  --td-border-light: rgba(26, 22, 18, 0.1);
  --td-shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --td-shadow-md: 0 4px 12px rgba(0,0,0,0.10), 0 8px 24px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.08);
  --td-shadow-lg: 0 8px 24px rgba(0,0,0,0.14), 0 16px 48px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.08);
  --td-shadow-xl: 0 16px 48px rgba(0,0,0,0.18), 0 32px 80px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.10);
  --td-shadow-colored: 0 8px 24px rgba(200, 98, 42, 0.20), 0 16px 48px rgba(200, 98, 42, 0.10);
  --td-radius-sm: 6px;
  --td-radius-md: 12px;
  --td-radius-lg: 20px;
  --td-radius-xl: 32px;
  --td-radius-full: 9999px;
  --td-space-xs: 0.5rem;
  --td-space-sm: 1rem;
  --td-space-md: 1.5rem;
  --td-space-lg: 2.5rem;
  --td-space-xl: 4rem;
  --td-space-2xl: 6rem;
  --td-space-3xl: 8rem;
  --td-nav-h: 72px;
  --td-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --td-transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
}

body {
  font-family: 'Space Grotesk', sans-serif;
  background-color: var(--td-bg);
  color: var(--td-text-light);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.td-page-wrapper {
  transition: transform var(--td-transition), border-radius var(--td-transition);
  transform-origin: right center;
  min-height: 100vh;

  &.td-menu-open {
    transform: translateX(-320px) scale(0.95);
    border-radius: var(--td-radius-lg);
    overflow: hidden;
    pointer-events: none;
  }
}

.td-section {
  position: relative;
  overflow: hidden;
  scroll-snap-align: start;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.td-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--td-space-md);
  position: relative;
  z-index: 2;
}

/* BLOBS */
.td-blob-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.td-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.65;

  &.td-blob--amber {
    width: 600px; height: 600px;
    background: radial-gradient(circle, #c8622a 0%, transparent 70%);
    top: -20%; left: -10%;
    opacity: 0.5;
  }
  &.td-blob--sienna {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #8b4513 0%, transparent 70%);
    bottom: -15%; right: -5%;
    opacity: 0.4;
  }
  &.td-blob--gold {
    width: 400px; height: 400px;
    background: radial-gradient(circle, #d4a853 0%, transparent 70%);
    top: 30%; right: 20%;
    opacity: 0.35;
  }
  &.td-blob--warm {
    width: 700px; height: 500px;
    background: radial-gradient(circle, #f0d4a0 0%, transparent 70%);
    top: -30%; right: -20%;
    opacity: 0.7;
  }
  &.td-blob--rose {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #e8b89a 0%, transparent 70%);
    bottom: -20%; left: -10%;
    opacity: 0.55;
  }
  &.td-blob--deep {
    width: 800px; height: 600px;
    background: radial-gradient(circle, #1a0f1e 0%, transparent 70%);
    top: 0; left: -20%;
    opacity: 0.9;
  }
  &.td-blob--violet {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #7c5c9e 0%, transparent 70%);
    top: 20%; right: -10%;
    opacity: 0.45;
  }
  &.td-blob--amber-soft {
    width: 400px; height: 400px;
    background: radial-gradient(circle, #c8622a 0%, transparent 70%);
    bottom: -10%; left: 30%;
    opacity: 0.35;
  }
  &.td-blob--gold-soft {
    width: 600px; height: 400px;
    background: radial-gradient(circle, #d4a853 0%, transparent 70%);
    top: -20%; left: -10%;
    opacity: 0.4;
  }
  &.td-blob--peach {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #e8b49a 0%, transparent 70%);
    bottom: 0; right: -15%;
    opacity: 0.45;
  }
  &.td-blob--forest {
    width: 700px; height: 600px;
    background: radial-gradient(circle, #1e2e1f 0%, transparent 70%);
    top: -10%; right: -20%;
    opacity: 0.8;
  }
  &.td-blob--sienna-soft {
    width: 450px; height: 450px;
    background: radial-gradient(circle, #c8622a 0%, transparent 70%);
    bottom: 0; left: -5%;
    opacity: 0.35;
  }
  &.td-blob--rose-soft {
    width: 500px; height: 400px;
    background: radial-gradient(circle, #e8b49a 0%, transparent 70%);
    top: -10%; left: -5%;
    opacity: 0.5;
  }
  &.td-blob--violet-deep {
    width: 700px; height: 600px;
    background: radial-gradient(circle, #2a1a3e 0%, transparent 70%);
    top: -20%; left: -10%;
    opacity: 0.9;
  }
  &.td-blob--amber-glow {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #c8622a 0%, transparent 70%);
    bottom: -20%; right: 10%;
    opacity: 0.45;
  }
}

/* HERO BLOBS (direct children of hero section) */
.td-hero {
  & .td-blob--amber {
    width: 700px; height: 700px;
    top: -30%; left: -15%;
    opacity: 0.55;
  }
  & .td-blob--sienna {
    width: 600px; height: 600px;
    bottom: -25%; right: -10%;
    opacity: 0.45;
  }
  & .td-blob--gold {
    width: 500px; height: 500px;
    top: 20%; right: 5%;
    opacity: 0.4;
  }

  & .td-hero__blobs {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
  }
}

/* NAVIGATION */
.td-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--td-nav-h);
  transition: background var(--td-transition), box-shadow var(--td-transition);

  &.td-nav--light {
    & .td-nav__link { color: var(--td-text-dark); }
    & .td-nav__logo-img { filter: none; }
    & .td-nav__hamburger span { background: var(--td-text-dark); }
    & .td-nav__link--cta {
      color: var(--td-text-light);
      background: var(--td-primary);
      &:hover { background: var(--td-primary-dark); }
    }
  }

  &.td-nav--scrolled {
    background: rgba(15, 13, 11, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(200, 98, 42, 0.2), var(--td-shadow-sm);
  }

  &.td-nav--scrolled-light {
    background: rgba(250, 247, 242, 0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(26, 22, 18, 0.1), var(--td-shadow-sm);
  }
}

.td-nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--td-space-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.td-nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;

  & .td-nav__logo-img {
    height: 36px;
    width: auto;
    transition: filter var(--td-transition), opacity var(--td-transition);
    filter: brightness(0) invert(1);
  }

  &:hover .td-nav__logo-img {
    opacity: 0.8;
  }
}

.td-nav__links {
  display: flex;
  align-items: center;
  gap: var(--td-space-sm);
  list-style: none;
}

.td-nav__link {
  text-decoration: none;
  color: var(--td-text-light);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--td-radius-sm);
  transition: color var(--td-transition), background var(--td-transition);
  white-space: nowrap;

  &:hover {
    color: var(--td-accent);
  }

  &.td-nav__link--cta {
    background: var(--td-primary);
    color: var(--td-text-light);
    padding: 0.5rem 1.2rem;
    border-radius: var(--td-radius-full);
    box-shadow: 0 2px 8px rgba(200, 98, 42, 0.3);

    &:hover {
      background: var(--td-primary-dark);
      color: var(--td-text-light);
      box-shadow: 0 4px 16px rgba(200, 98, 42, 0.4);
      transform: translateY(-1px);
    }
  }
}

.td-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--td-radius-sm);
  transition: background var(--td-transition);

  & span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--td-text-light);
    border-radius: 2px;
    transition: transform var(--td-transition), opacity var(--td-transition), background var(--td-transition);
  }

  &:hover { background: rgba(255,255,255,0.1); }
}

/* MOBILE MENU */
.td-mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100vh;
  background: var(--td-surface);
  z-index: 200;
  padding: var(--td-space-xl) var(--td-space-lg);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--td-transition-slow);
  box-shadow: -8px 0 48px rgba(0,0,0,0.4);
  overflow-y: auto;

  &.td-menu-active {
    transform: translateX(0);
  }
}

.td-mobile-menu__close {
  position: absolute;
  top: var(--td-space-md);
  right: var(--td-space-md);
  background: rgba(255,255,255,0.08);
  border: none;
  color: var(--td-text-light);
  width: 44px;
  height: 44px;
  border-radius: var(--td-radius-full);
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--td-transition), transform var(--td-transition);

  &:hover {
    background: rgba(255,255,255,0.16);
    transform: rotate(90deg);
  }
}

.td-mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: var(--td-space-xl);
}

.td-mobile-menu__link {
  text-decoration: none;
  color: var(--td-text-light);
  font-size: 1.1rem;
  font-weight: 500;
  padding: 0.9rem var(--td-space-sm);
  border-radius: var(--td-radius-md);
  transition: background var(--td-transition), color var(--td-transition), padding-left var(--td-transition);

  &:hover {
    background: rgba(200, 98, 42, 0.15);
    color: var(--td-accent);
    padding-left: 1.5rem;
  }

  &.td-mobile-menu__link--cta {
    background: var(--td-primary);
    color: white;
    text-align: center;
    margin-top: var(--td-space-sm);
    box-shadow: var(--td-shadow-colored);

    &:hover {
      background: var(--td-primary-dark);
      padding-left: var(--td-space-sm);
      color: white;
    }
  }
}

.td-mobile-menu__footer {
  margin-top: auto;
  padding-top: var(--td-space-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--td-text-muted-light);

  & a {
    color: var(--td-accent);
    text-decoration: none;
    transition: color var(--td-transition);
    &:hover { color: var(--td-primary-light); }
  }
}

.td-mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 150;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--td-transition-slow);
  backdrop-filter: blur(4px);

  &.td-overlay-active {
    opacity: 1;
    pointer-events: all;
  }
}

/* BUTTONS */
.td-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--td-radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--td-transition);
  white-space: nowrap;

  &.td-btn--primary {
    background: var(--td-primary);
    color: white;
    border-color: var(--td-primary);
    box-shadow: 0 2px 8px rgba(200, 98, 42, 0.25), 0 4px 16px rgba(200, 98, 42, 0.15);

    &:hover {
      background: var(--td-primary-dark);
      border-color: var(--td-primary-dark);
      box-shadow: 0 4px 16px rgba(200, 98, 42, 0.4), 0 8px 24px rgba(200, 98, 42, 0.2);
      transform: translateY(-2px);
    }

    &:active { transform: translateY(0); }
  }

  &.td-btn--ghost {
    background: transparent;
    color: var(--td-text-light);
    border-color: rgba(245, 240, 232, 0.3);

    &:hover {
      background: rgba(245, 240, 232, 0.1);
      border-color: rgba(245, 240, 232, 0.6);
      transform: translateY(-2px);
    }
  }

  &.td-btn--outline-light {
    background: transparent;
    color: var(--td-text-light);
    border-color: rgba(245, 240, 232, 0.4);

    &:hover {
      background: rgba(245, 240, 232, 0.12);
      border-color: rgba(245, 240, 232, 0.7);
      transform: translateY(-2px);
    }
  }

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

.td-mt-1 { margin-top: var(--td-space-sm); display: inline-flex; }
.td-mt-2 { margin-top: var(--td-space-lg); display: inline-flex; }

/* LABELS */
.td-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--td-primary);
  background: rgba(200, 98, 42, 0.1);
  padding: 0.3rem 0.8rem;
  border-radius: var(--td-radius-full);
  margin-bottom: var(--td-space-sm);
  border: 1px solid rgba(200, 98, 42, 0.2);

  &.td-label--light {
    color: var(--td-accent);
    background: rgba(212, 168, 83, 0.15);
    border-color: rgba(212, 168, 83, 0.3);
  }
}

/* SECTION TITLES */
.td-section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--td-text-dark);
  margin-bottom: var(--td-space-md);

  &.td-section-title--light { color: var(--td-text-light); }
}

.td-section-sub {
  font-size: 1.05rem;
  color: var(--td-text-muted);
  max-width: 560px;
  line-height: 1.7;

  &.td-section-sub--light { color: rgba(245, 240, 232, 0.7); }
}

/* REVEAL ANIMATIONS */
.td-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);

  &.td-reveal--delay-1 { transition-delay: 0.1s; }
  &.td-reveal--delay-2 { transition-delay: 0.2s; }
  &.td-reveal--delay-3 { transition-delay: 0.3s; }
  &.td-reveal--delay-4 { transition-delay: 0.4s; }

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

/* HERO SECTION */
.td-hero {
  background: var(--td-bg);
  padding: var(--td-space-3xl) var(--td-space-md);
  padding-top: calc(var(--td-nav-h) + var(--td-space-3xl));

  & .td-hero__content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--td-space-md);
  }

  & .td-hero__tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--td-accent);
    background: rgba(212, 168, 83, 0.12);
    border: 1px solid rgba(212, 168, 83, 0.25);
    padding: 0.35rem 1rem;
    border-radius: var(--td-radius-full);
    margin-bottom: var(--td-space-md);
  }

  & .td-hero__title {
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 700;
    line-height: 1.05;
    color: var(--td-text-light);
    margin-bottom: var(--td-space-md);
    max-width: 900px;
  }

  & .td-hero__title-accent {
    color: var(--td-primary);
    position: relative;
    display: inline-block;

    &::after {
      content: '';
      position: absolute;
      bottom: 4px;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--td-primary), var(--td-accent));
      border-radius: 2px;
      opacity: 0.6;
    }
  }

  & .td-hero__desc {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(245, 240, 232, 0.75);
    max-width: 540px;
    line-height: 1.7;
    margin-bottom: var(--td-space-lg);
  }

  & .td-hero__actions {
    display: flex;
    gap: var(--td-space-sm);
    flex-wrap: wrap;
  }

  & .td-hero__scroll-hint {
    position: absolute;
    bottom: var(--td-space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    color: rgba(245, 240, 232, 0.4);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    z-index: 2;
    animation: td-bounce 2s ease-in-out infinite;

    & i { font-size: 0.85rem; }
  }
}

@keyframes td-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* CURSO SECTION */
.td-curso {
  background: var(--td-bg-light);
  padding: var(--td-space-3xl) 0;

  & .td-curso__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--td-space-2xl);
  }

  & .td-curso__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--td-space-2xl);
    align-items: start;
  }

  & .td-curso__intro {
    & p { margin-bottom: var(--td-space-sm); color: var(--td-text-muted); line-height: 1.75; }
    & .td-curso__lead {
      font-size: 1.1rem;
      color: var(--td-text-dark);
      font-weight: 500;
      line-height: 1.7;
    }
  }

  & .td-curso__cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--td-space-sm);
  }
}

.td-feature-card {
  background: white;
  border-radius: var(--td-radius-lg);
  padding: var(--td-space-md);
  box-shadow: var(--td-shadow-md);
  border: 1px solid var(--td-border-light);
  transition: transform var(--td-transition), box-shadow var(--td-transition);

  &:hover {
    transform: translateY(-4px);
    box-shadow: var(--td-shadow-lg);
  }

  & .td-feature-card__icon {
    width: 44px;
    height: 44px;
    background: rgba(200, 98, 42, 0.1);
    border-radius: var(--td-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--td-space-sm);
    color: var(--td-primary);
    font-size: 1.1rem;
    transition: background var(--td-transition), color var(--td-transition);
  }

  &:hover .td-feature-card__icon {
    background: var(--td-primary);
    color: white;
  }

  & h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--td-text-dark);
    margin-bottom: 0.4rem;
  }

  & p {
    font-size: 0.85rem;
    color: var(--td-text-muted);
    line-height: 1.6;
  }
}

/* INSTRUMENTOS SECTION */
.td-instrumentos {
  background: var(--td-bg);
  padding: var(--td-space-3xl) 0;

  & .td-instrumentos__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--td-space-2xl);
  }

  & .td-instruments-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--td-space-md);
  }
}

.td-instrument-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--td-radius-xl);
  padding: var(--td-space-lg);
  transition: background var(--td-transition), border-color var(--td-transition), transform var(--td-transition), box-shadow var(--td-transition);
  position: relative;

  &:hover {
    background: rgba(255,255,255,0.07);
    border-color: rgba(200, 98, 42, 0.3);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 4px 12px rgba(200, 98, 42, 0.1);
  }

  & .td-instrument-card__num {
    font-size: 4rem;
    font-weight: 700;
    color: rgba(200, 98, 42, 0.15);
    line-height: 1;
    margin-bottom: var(--td-space-sm);
    transition: color var(--td-transition);
  }

  &:hover .td-instrument-card__num { color: rgba(200, 98, 42, 0.3); }

  & .td-instrument-card__name {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--td-text-light);
    margin-bottom: var(--td-space-sm);
  }

  & .td-instrument-card__desc {
    font-size: 0.9rem;
    color: rgba(245, 240, 232, 0.65);
    line-height: 1.7;
    margin-bottom: var(--td-space-md);
  }

  & .td-instrument-card__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;

    & li {
      font-size: 0.85rem;
      color: rgba(245, 240, 232, 0.55);
      padding-left: 1.2rem;
      position: relative;

      &::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0.55em;
        width: 6px;
        height: 6px;
        background: var(--td-primary);
        border-radius: 50%;
        opacity: 0.7;
      }
    }
  }
}

/* PROCESO SECTION */
.td-proceso {
  background: var(--td-bg-light);
  padding: var(--td-space-3xl) 0;

  & .td-proceso__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--td-space-2xl);
  }
}

.td-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.td-step {
  position: relative;
  padding: 0 var(--td-space-md);

  & .td-step__connector {
    position: absolute;
    top: 28px;
    left: 50%;
    right: -50%;
    height: 2px;
    background: linear-gradient(90deg, var(--td-primary), rgba(200, 98, 42, 0.2));
    z-index: 0;
  }

  &:last-child .td-step__connector { display: none; }

  & .td-step__num {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--td-primary);
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
  }

  & .td-step__content {
    background: white;
    border-radius: var(--td-radius-lg);
    padding: var(--td-space-md);
    box-shadow: var(--td-shadow-md);
    border: 1px solid var(--td-border-light);
    transition: transform var(--td-transition), box-shadow var(--td-transition);
    position: relative;
    z-index: 1;

    &:hover {
      transform: translateY(-4px);
      box-shadow: var(--td-shadow-lg);
    }
  }

  & .td-step__icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--td-primary), var(--td-accent));
    border-radius: var(--td-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    margin-bottom: var(--td-space-sm);
    box-shadow: 0 4px 12px rgba(200, 98, 42, 0.3);
  }

  & .td-step__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--td-text-dark);
    margin-bottom: 0.6rem;
  }

  & .td-step__text {
    font-size: 0.85rem;
    color: var(--td-text-muted);
    line-height: 1.65;
  }
}

/* MATERIALES SECTION */
.td-materiales {
  background: var(--td-bg);
  padding: var(--td-space-3xl) 0;

  & .td-materiales__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--td-space-2xl);
    align-items: start;
  }

  & .td-materiales__text {
    color: rgba(245, 240, 232, 0.72);
    line-height: 1.75;
    margin-bottom: var(--td-space-sm);
  }
}

.td-mat-item {
  display: flex;
  gap: var(--td-space-md);
  padding: var(--td-space-md);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--td-radius-lg);
  margin-bottom: var(--td-space-sm);
  transition: background var(--td-transition), border-color var(--td-transition), transform var(--td-transition);

  &:hover {
    background: rgba(255,255,255,0.07);
    border-color: rgba(212, 168, 83, 0.25);
    transform: translateX(4px);
  }

  & .td-mat-item__icon {
    width: 44px;
    height: 44px;
    background: rgba(212, 168, 83, 0.12);
    border-radius: var(--td-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--td-accent);
    font-size: 1rem;
    flex-shrink: 0;
    transition: background var(--td-transition), color var(--td-transition);
  }

  &:hover .td-mat-item__icon {
    background: var(--td-accent);
    color: var(--td-text-dark);
  }

  & .td-mat-item__info {
    & h4 {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--td-text-light);
      margin-bottom: 0.3rem;
    }
    & p {
      font-size: 0.85rem;
      color: rgba(245, 240, 232, 0.6);
      line-height: 1.6;
    }
  }
}

/* CALCULADORA SECTION */
.td-calculadora {
  background: var(--td-bg-light);
  padding: var(--td-space-3xl) 0;

  & .td-calc__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--td-space-2xl);
  }

  & .td-calc__body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--td-space-lg);
    align-items: start;
  }

  & .td-calc__form {
    background: white;
    border-radius: var(--td-radius-xl);
    padding: var(--td-space-lg);
    box-shadow: var(--td-shadow-lg);
    border: 1px solid var(--td-border-light);
    display: flex;
    flex-direction: column;
    gap: var(--td-space-sm);
  }

  & .td-calc__field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;

    & label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--td-text-dark);
      letter-spacing: 0.02em;
    }

    & select, & input {
      padding: 0.7rem 1rem;
      border: 1.5px solid var(--td-border-light);
      border-radius: var(--td-radius-md);
      font-family: 'Space Grotesk', sans-serif;
      font-size: 0.9rem;
      color: var(--td-text-dark);
      background: var(--td-bg-light);
      transition: border-color var(--td-transition), box-shadow var(--td-transition);
      appearance: none;
      -webkit-appearance: none;
      cursor: pointer;

      &:focus {
        outline: none;
        border-color: var(--td-primary);
        box-shadow: 0 0 0 3px rgba(200, 98, 42, 0.1);
      }
    }
  }

  & .td-calc__btn {
    margin-top: var(--td-space-xs);
  }

  & .td-calc__result {
    background: white;
    border-radius: var(--td-radius-xl);
    padding: var(--td-space-lg);
    box-shadow: var(--td-shadow-lg);
    border: 1px solid var(--td-border-light);
    min-height: 340px;
    display: flex;
    align-items: stretch;

    & .td-calc__result-inner {
      width: 100%;
      display: flex;
      flex-direction: column;
    }

    & .td-calc__result-icon {
      width: 52px;
      height: 52px;
      background: rgba(200, 98, 42, 0.1);
      border-radius: var(--td-radius-lg);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--td-primary);
      font-size: 1.3rem;
      margin-bottom: var(--td-space-sm);
    }

    & .td-calc__result-title {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--td-text-dark);
      margin-bottom: var(--td-space-md);
    }

    & .td-calc__result-empty p {
      color: var(--td-text-muted);
      font-size: 0.9rem;
      line-height: 1.6;
    }

    & .td-calc__line {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0.7rem 0;
      border-bottom: 1px solid var(--td-border-light);
      font-size: 0.9rem;

      & span { color: var(--td-text-muted); }
      & strong { color: var(--td-text-dark); font-weight: 600; }
    }

    & .td-calc__total {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: var(--td-space-sm) 0;
      margin-top: var(--td-space-xs);
      font-size: 1rem;

      & span { font-weight: 600; color: var(--td-text-dark); }
      & strong {
        font-size: 1.4rem;
        font-weight: 700;
        color: var(--td-primary);
      }
    }

    & .td-calc__disclaimer {
      font-size: 0.75rem;
      color: var(--td-text-muted-light);
      line-height: 1.5;
      margin-top: var(--td-space-sm);
    }
  }
}

/* CONTACTO SECTION */
.td-contacto {
  background: var(--td-bg);
  padding: var(--td-space-3xl) 0;

  & .td-contacto__layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--td-space-2xl);
    align-items: start;
  }

  & .td-contacto__text {
    color: rgba(245, 240, 232, 0.7);
    line-height: 1.75;
    margin-bottom: var(--td-space-lg);
  }
}

.td-contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--td-space-sm);
  margin-bottom: var(--td-space-lg);
}

.td-contact-item {
  display: flex;
  gap: var(--td-space-sm);
  align-items: flex-start;

  & i {
    width: 36px;
    height: 36px;
    background: rgba(200, 98, 42, 0.15);
    border-radius: var(--td-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--td-primary-light);
    font-size: 0.85rem;
    flex-shrink: 0;
    transition: background var(--td-transition);
  }

  &:hover i { background: rgba(200, 98, 42, 0.25); }

  & div {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;

    & strong {
      font-size: 0.8rem;
      font-weight: 600;
      color: rgba(245, 240, 232, 0.5);
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    & span, & a {
      font-size: 0.92rem;
      color: var(--td-text-light);
      text-decoration: none;
      transition: color var(--td-transition);

      &:hover { color: var(--td-accent); }
    }
  }
}

.td-map-container {
  border-radius: var(--td-radius-lg);
  overflow: hidden;
  box-shadow: var(--td-shadow-md);
  border: 1px solid rgba(255,255,255,0.08);
}

/* FORM STYLES */
.td-form {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--td-radius-xl);
  padding: var(--td-space-lg);
  backdrop-filter: blur(10px);

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

  & .td-form__field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: var(--td-space-sm);

    & label {
      font-size: 0.85rem;
      font-weight: 600;
      color: rgba(245, 240, 232, 0.8);
      letter-spacing: 0.02em;
    }

    & input, & textarea {
      padding: 0.75rem 1rem;
      background: rgba(255,255,255,0.06);
      border: 1.5px solid rgba(255,255,255,0.1);
      border-radius: var(--td-radius-md);
      color: var(--td-text-light);
      font-family: 'Space Grotesk', sans-serif;
      font-size: 0.9rem;
      transition: border-color var(--td-transition), background var(--td-transition), box-shadow var(--td-transition);

      &::placeholder { color: rgba(245, 240, 232, 0.3); }

      &:focus {
        outline: none;
        border-color: var(--td-primary);
        background: rgba(255,255,255,0.09);
        box-shadow: 0 0 0 3px rgba(200, 98, 42, 0.15);
      }
    }

    & textarea { resize: vertical; min-height: 120px; }
  }

  & .td-form__privacy {
    margin-bottom: var(--td-space-md);
  }
}

.td-req { color: var(--td-primary); }

.td-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.85rem;
  color: rgba(245, 240, 232, 0.7);
  line-height: 1.5;

  & input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
  }

  & .td-checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 4px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--td-transition), background var(--td-transition);
    margin-top: 1px;
  }

  & input:checked + .td-checkbox-custom {
    background: var(--td-primary);
    border-color: var(--td-primary);

    &::after {
      content: '';
      width: 10px;
      height: 6px;
      border-left: 2px solid white;
      border-bottom: 2px solid white;
      transform: rotate(-45deg) translateY(-1px);
    }
  }

  & a {
    color: var(--td-accent);
    text-decoration: none;
    transition: color var(--td-transition);
    &:hover { color: var(--td-primary-light); }
  }

  &:hover .td-checkbox-custom { border-color: var(--td-primary); }
}

/* ITI override for dark form */
.td-form .iti {
  width: 100%;
  & input {
    width: 100%;
    background: rgba(255,255,255,0.06);
    border: 1.5px solid rgba(255,255,255,0.1);
    border-radius: var(--td-radius-md);
    color: var(--td-text-light);
    &:focus {
      border-color: var(--td-primary);
      box-shadow: 0 0 0 3px rgba(200, 98, 42, 0.15);
    }
  }
}

/* FOOTER */
.td-footer {
  background: #0a0806;
  border-top: 1px solid rgba(200, 98, 42, 0.15);
  position: relative;

  & .td-footer__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--td-space-2xl) var(--td-space-md);
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--td-space-2xl);
  }

  & .td-footer__brand {
    & .td-footer__logo {
      display: inline-block;
      margin-bottom: var(--td-space-md);
      transition: opacity var(--td-transition);

      &:hover { opacity: 0.8; }

      & img {
        height: 32px;
        filter: brightness(0) invert(1);
      }
    }

    & .td-footer__story {
      font-size: 0.9rem;
      color: rgba(245, 240, 232, 0.55);
      line-height: 1.75;
      max-width: 380px;
    }
  }

  & .td-footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--td-space-lg);
  }

  & .td-footer__col {
    & .td-footer__col-title {
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--td-accent);
      margin-bottom: var(--td-space-sm);
    }

    & ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }

    & li a, & li address {
      text-decoration: none;
      font-size: 0.88rem;
      color: rgba(245, 240, 232, 0.5);
      transition: color var(--td-transition), padding-left var(--td-transition);
      font-style: normal;
      display: inline-block;

      &:hover {
        color: var(--td-text-light);
        padding-left: 4px;
      }
    }
  }

  & .td-footer__bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--td-space-md) var(--td-space-md);
    border-top: 1px solid rgba(255,255,255,0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--td-space-sm);

    & p {
      font-size: 0.8rem;
      color: rgba(245, 240, 232, 0.3);
    }
  }
}

/* COOKIE CONSENT - SPLIT BOTTOM */
.td-cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: rgba(15, 13, 11, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(200, 98, 42, 0.2);
  box-shadow: 0 -8px 40px rgba(0,0,0,0.4);
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  &.td-cookie-visible {
    transform: translateY(0);
  }
}

.td-cookie-left {
  padding: var(--td-space-lg);
  border-right: 1px solid rgba(255,255,255,0.06);

  & h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--td-text-light);
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;

    & i { color: var(--td-accent); }
  }

  & p {
    font-size: 0.82rem;
    color: rgba(245, 240, 232, 0.6);
    line-height: 1.6;
    margin-bottom: var(--td-space-sm);
  }

  & a {
    color: var(--td-accent);
    font-size: 0.82rem;
    text-decoration: none;
    transition: color var(--td-transition);
    &:hover { color: var(--td-primary-light); }
  }
}

.td-cookie-right {
  padding: var(--td-space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--td-space-sm);

  & .td-cookie-toggles {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  & .td-cookie-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0;

    & .td-toggle-info {
      & span {
        display: block;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--td-text-light);
      }
      & small {
        font-size: 0.75rem;
        color: rgba(245, 240, 232, 0.45);
      }
    }

    & .td-toggle-switch {
      position: relative;
      width: 44px;
      height: 24px;

      & input {
        opacity: 0;
        width: 0;
        height: 0;
        position: absolute;
      }

      & .td-toggle-track {
        position: absolute;
        inset: 0;
        background: rgba(255,255,255,0.15);
        border-radius: 12px;
        cursor: pointer;
        transition: background var(--td-transition);

        &::after {
          content: '';
          position: absolute;
          top: 3px;
          left: 3px;
          width: 18px;
          height: 18px;
          background: white;
          border-radius: 50%;
          transition: transform var(--td-transition);
          box-shadow: 0 1px 4px rgba(0,0,0,0.3);
        }
      }

      & input:checked + .td-toggle-track {
        background: var(--td-primary);
        &::after { transform: translateX(20px); }
      }

      & input:disabled + .td-toggle-track {
        background: rgba(200, 98, 42, 0.6);
        cursor: not-allowed;
        &::after { transform: translateX(20px); }
      }
    }
  }

  & .td-cookie-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
    flex-wrap: wrap;
  }
}

.td-cookie-btn {
  flex: 1;
  padding: 0.6rem 1rem;
  border-radius: var(--td-radius-full);
  border: none;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--td-transition);
  min-height: 44px;

  &.td-cookie-btn--accept {
    background: var(--td-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(200, 98, 42, 0.3);
    &:hover {
      background: var(--td-primary-dark);
      box-shadow: 0 4px 14px rgba(200, 98, 42, 0.4);
      transform: translateY(-1px);
    }
  }

  &.td-cookie-btn--reject {
    background: rgba(255,255,255,0.08);
    color: rgba(245, 240, 232, 0.7);
    &:hover {
      background: rgba(255,255,255,0.14);
      color: var(--td-text-light);
    }
  }

  &.td-cookie-btn--save {
    background: rgba(212, 168, 83, 0.15);
    color: var(--td-accent);
    border: 1px solid rgba(212, 168, 83, 0.3);
    &:hover {
      background: rgba(212, 168, 83, 0.25);
      transform: translateY(-1px);
    }
  }
}

/* LEGAL PAGE STYLES */
.td-legal-page {
  background: var(--td-bg-light);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.td-legal-header {
  background: var(--td-bg);
  padding: calc(var(--td-nav-h) + var(--td-space-lg)) var(--td-space-md) var(--td-space-lg);

  & h1 {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 700;
    color: var(--td-text-light);
    max-width: 700px;
  }

  & p {
    color: rgba(245, 240, 232, 0.6);
    margin-top: 0.5rem;
    font-size: 0.9rem;
  }
}

.td-legal-body {
  flex: 1;
  display: grid;
  grid-template-columns: 260px 1fr;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: var(--td-space-lg) var(--td-space-md);
  gap: var(--td-space-xl);
  align-items: start;
}

.td-legal-toc {
  position: sticky;
  top: calc(var(--td-nav-h) + var(--td-space-md));

  & h3 {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--td-text-muted);
    margin-bottom: var(--td-space-sm);
  }

  & ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
  }

  & li a {
    display: block;
    font-size: 0.85rem;
    color: var(--td-text-muted);
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border-radius: var(--td-radius-sm);
    border-left: 2px solid transparent;
    transition: all var(--td-transition);

    &:hover {
      color: var(--td-primary);
      background: rgba(200, 98, 42, 0.06);
      border-left-color: var(--td-primary);
    }

    &.td-toc-active {
      color: var(--td-primary);
      background: rgba(200, 98, 42, 0.08);
      border-left-color: var(--td-primary);
      font-weight: 600;
    }
  }
}

.td-legal-toc-mobile {
  display: none;
  margin-bottom: var(--td-space-lg);

  & summary {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--td-text-dark);
    cursor: pointer;
    padding: 0.75rem var(--td-space-sm);
    background: white;
    border-radius: var(--td-radius-md);
    box-shadow: var(--td-shadow-sm);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    transition: background var(--td-transition);

    &:hover { background: var(--td-bg-light); }
    &::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 0.75rem; }
  }

  &[open] summary::after { content: '\f077'; }

  & ul {
    list-style: none;
    background: white;
    border-radius: 0 0 var(--td-radius-md) var(--td-radius-md);
    padding: 0.5rem;
    box-shadow: var(--td-shadow-sm);
    margin-top: 2px;
  }

  & li a {
    display: block;
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    color: var(--td-text-muted);
    text-decoration: none;
    border-radius: var(--td-radius-sm);
    transition: all var(--td-transition);
    &:hover { background: rgba(200, 98, 42, 0.06); color: var(--td-primary); }
  }
}

.td-legal-content {
  & h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--td-text-dark);
    margin-bottom: var(--td-space-sm);
    margin-top: var(--td-space-xl);
    padding-top: var(--td-space-md);
    border-top: 1px solid var(--td-border-light);

    &:first-child { margin-top: 0; border-top: none; padding-top: 0; }
  }

  & h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--td-text-dark);
    margin-bottom: 0.5rem;
    margin-top: var(--td-space-md);
  }

  & p {
    font-size: 0.92rem;
    color: var(--td-text-muted);
    line-height: 1.75;
    margin-bottom: var(--td-space-sm);
  }

  & ul, & ol {
    padding-left: 1.5rem;
    margin-bottom: var(--td-space-sm);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;

    & li {
      font-size: 0.92rem;
      color: var(--td-text-muted);
      line-height: 1.65;
    }
  }

  & address {
    font-style: normal;
    font-size: 0.92rem;
    color: var(--td-text-muted);
    background: rgba(200, 98, 42, 0.05);
    border-left: 3px solid var(--td-primary);
    padding: var(--td-space-sm) var(--td-space-md);
    border-radius: 0 var(--td-radius-md) var(--td-radius-md) 0;
    margin-bottom: var(--td-space-sm);
    line-height: 1.7;
  }
}

/* THANKS PAGE */
.td-thanks-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--td-bg);
  position: relative;
  overflow: hidden;

  & .td-blob-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
  }
}

.td-thanks-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--td-space-xl) var(--td-space-md);
  position: relative;
  z-index: 2;
}

.td-thanks-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--td-radius-xl);
  padding: var(--td-space-2xl);
  max-width: 520px;
  width: 100%;
  text-align: center;
  box-shadow: var(--td-shadow-xl);

  & .td-thanks-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--td-primary), var(--td-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--td-space-lg);
    font-size: 2rem;
    color: white;
    box-shadow: 0 8px 24px rgba(200, 98, 42, 0.4);
  }

  & h1 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--td-text-light);
    margin-bottom: var(--td-space-sm);
  }

  & p {
    color: rgba(245, 240, 232, 0.65);
    line-height: 1.7;
    margin-bottom: var(--td-space-lg);
  }
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .td-curso__grid { grid-template-columns: 1fr; }
  .td-instruments-grid { grid-template-columns: 1fr; gap: var(--td-space-sm); }
  .td-steps { grid-template-columns: 1fr 1fr; gap: var(--td-space-md); }
  .td-step .td-step__connector { display: none; }
  .td-materiales__layout { grid-template-columns: 1fr; }
  .td-calc__body { grid-template-columns: 1fr; }
  .td-contacto__layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root {
    --td-space-2xl: 4rem;
    --td-space-3xl: 5rem;
  }

  .td-nav__links { display: none; }
  .td-nav__hamburger { display: flex; }

  .td-hero__title { font-size: clamp(2.2rem, 10vw, 3.5rem); }

  .td-curso__cards { grid-template-columns: 1fr; }
  .td-steps { grid-template-columns: 1fr; }
  .td-footer__inner { grid-template-columns: 1fr; }
  .td-footer__links { grid-template-columns: 1fr 1fr; }
  .td-footer__bottom { flex-direction: column; text-align: center; }

  .td-legal-body { grid-template-columns: 1fr; }
  .td-legal-toc { display: none; }
  .td-legal-toc-mobile { display: block; }

  .td-cookie-banner {
    grid-template-columns: 1fr;
    max-height: 85vh;
    overflow-y: auto;
  }
  .td-cookie-left { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.06); }

  .td-form__row { grid-template-columns: 1fr; }

  .td-hero__scroll-hint { display: none; }
}

@media (max-width: 480px) {
  .td-footer__links { grid-template-columns: 1fr; }
  .td-hero__actions { flex-direction: column; }
  .td-cookie-actions { flex-direction: column; }
  .td-instruments-grid { grid-template-columns: 1fr; }
}

/* Scroll snap for sections with overflow content */
@media (max-height: 700px) {
  html { scroll-snap-type: none; }
  .td-section { scroll-snap-align: none; min-height: auto; padding-top: var(--td-space-3xl); padding-bottom: var(--td-space-3xl); }
}