/* ===== Variables (diseño fiel) ===== */
:root {
  --crema: #FDF8EC;
  --hero-bg: rgb(248, 246, 240);
  --rojo: #da4c31;
  --rojo-hero: #da4c31;
  --verde: #00935A;
  --verde-titulo: rgb(1, 148, 91);
  --gris: #333333;
  --amarillo-stats: rgb(249, 186, 6);
  --blanco: #ffffff;
  --negro: #333333;
  --font: 'General Sans', sans-serif;
}

/* ===== Reset y base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-weight: 400;
  background: var(--crema);
  color: var(--gris);
  overflow-x: hidden;
  line-height: 1.4;
}

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

/* ===== Header / Logo ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 30px;
  background: transparent;
}

.logo {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--gris);
  line-height: 1.3;
}

.logo .logo-volpi {
  font-weight: 700;
}

/* ===== Navegación lateral vertical (aparece al hacer scroll) ===== */
.side-nav {
  position: fixed;
  left: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s ease, visibility 0.35s ease, pointer-events 0s 0.35s;
}

.side-nav.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.side-nav-link {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gris);
  opacity: 0.5;
  transition: opacity 0.25s ease, color 0.25s ease, font-size 0.25s ease, font-weight 0.25s ease;
}

.side-nav-link:hover {
  opacity: 0.8;
  color: var(--gris);
}

.side-nav-link.active {
  font-size: 0.95rem;
  font-weight: 700;
  opacity: 1;
  color: var(--negro);
}

/* ===== Botón primario ===== */
.btn {
  display: inline-block;
  padding: 8px 1.75rem;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0;
  text-align: center;
  border: 1px solid #333333;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary {
  background: rgba(218, 76, 49, 1);
  color: rgba(253, 248, 236, 1);
  border-radius: 0;
  box-shadow: none;
}

.btn:hover {
  transform: translate(4px, -3px);
  box-shadow: 0 3px 0 #333333;
}

/* ===== 1. HERO ===== */
.hero {
  min-height: 100vh;
  padding: 96px 30px 4rem;
  position: relative;
  background: rgba(253, 248, 236, 0);
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: visible;
}

.hero-content {
  width: 1200px;
  max-width: 100%;
  height: 621px;
  position: relative;
  text-align: center;
  margin: 0 auto;
  overflow: visible;
}

.hero-title {
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: 0;
  line-height: 1.2;
  color: var(--gris);
  text-align: center;
  overflow: visible;
}

.hero-title .line {
  display: block;
  font-size: 100px;
  width: 1200px;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  letter-spacing: 0;
  box-sizing: content-box;
}

.hero-title .line:last-of-type {
  font-size: 100px;
  letter-spacing: -3px;
  line-height: 100px;
  margin-top: 0;
  margin-bottom: 25px;
}

/* Especificidad mayor que .hero-title .line para que aplique el tamaño */
.hero-title .line.hero-title-main {
  font-size: 180px;
  width: auto;
  max-width: 100%;
  letter-spacing: 0.05em;
}

/* Efecto 3D L'ITALIANO: capas reales en el DOM; desplazamiento calculado en JS (mismo paso verde/rojo) */
.hero-title-main {
  display: inline-block;
  width: auto;
  max-width: 100%;
  margin: -0.34em 0 0 0;
  transform: rotate(-3deg) translate(calc(var(--mouse-x, 0) * 6px), calc(var(--mouse-y, 0) * 6px));
  position: relative;
  will-change: transform;
  isolation: isolate;
  transition: transform 0.12s ease-out;
  overflow: visible;
}

.hero-3d-wrap {
  position: relative;
  display: inline-block;
  font-size: 180px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 130px;
  font-family: var(--font);
}

.hero-3d-layer {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 1em;
  font-weight: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  font-family: inherit;
  -webkit-text-stroke: 2px var(--gris);
  text-stroke: 2px var(--gris);
  paint-order: stroke fill;
  white-space: nowrap;
  transition: transform 0.12s ease-out;
}

.hero-3d-white {
  position: relative;
  z-index: 3;
  color: var(--blanco);
}

.hero-3d-green {
  z-index: 1;
  color: var(--verde-titulo);
  pointer-events: none;
}

.hero-3d-red {
  z-index: 0;
  color: var(--rojo-hero);
  pointer-events: none;
}

/* Tags flotando alrededor de L'ITALIANO: solapamiento sutil, ligeras inclinaciones */
.hero-tags {
  position: absolute;
  inset: 0;
  pointer-events: none;
  line-height: 15px;
  z-index: 5;
}

.hero-tags .tag {
  position: absolute;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0;
  padding: 5px 10px;
  background: var(--blanco);
  color: rgba(1, 148, 91, 1);
  border: 1px solid rgba(51, 51, 51, 1);
  border-image: none;
  white-space: nowrap;
  will-change: transform;
  box-shadow: 0 2px 8px rgba(51, 51, 51, 0.06);
}

/* NATIVE TEACHER y PRIVATE LESSONS: arriba a los lados de IMPARA */
.hero-tags .tag[data-float="0"] { top: 12%; left: 18%; }
.hero-tags .tag[data-float="1"] { top: calc(10% - 15px); right: 18%; }
/* CLEAR PROGRESS y REAL CONVERSATION: más abiertos a los costados, que no pisen L'ITALIANO */
.hero-tags .tag[data-float="2"] { top: 36%; left: -6%; }
.hero-tags .tag[data-float="3"] { top: 36%; right: -6%; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem 10rem;
  margin-top: -1.5rem;
  margin-bottom: -0.5rem;
  font-size: 16px;
  font-weight: 400;
  color: #333333;
}

.hero-stats .stat-num {
  color: #fbb03b;
  font-weight: 700;
}

.hero-stats .stat-num-accent {
  color: #fbb03b;
  font-weight: 700;
}

.hero-stats .stat-label {
  color: #333333;
  font-weight: 400;
}

.hero .btn {
  margin-top: 50px;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35em 0.6em;
  align-items: center;
  justify-content: center;
}

.hero .btn span {
  display: inline-block;
}

/* ===== 2. ABOUT: tipografía + video pequeño; al scroll el video crece hasta pantalla completa (overlay) ===== */
.video-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: visible;
}

.video-section-content {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  justify-content: center;
  gap: 2.5rem;
  position: relative;
  min-height: 280px;
}

.video-slot {
  width: 320px;
  flex-shrink: 0;
  min-height: 1px;
}

.video-section-typography {
  text-align: right;
  position: relative;
  z-index: 1;
  flex: 0 1 auto;
}

.video-section-title {
  letter-spacing: 0.02em;
  line-height: 0.72;
  color: var(--gris);
  margin: 0;
}

.video-section-title .video-section-intro {
  font-size: 15pt;
  font-weight: 600;
  display: block;
  margin-bottom: 0.15rem;
  line-height: 1;
}

.video-section-title .red {
  font-size: 50pt;
  font-weight: 600;
  color: var(--rojo);
  -webkit-text-stroke: 1px var(--gris);
  text-stroke: 1px var(--gris);
  paint-order: stroke fill;
  display: block;
  line-height: 0.72;
}

.video-section-title .green {
  font-size: 50pt;
  font-weight: 600;
  color: var(--verde);
  -webkit-text-stroke: 1px var(--gris);
  text-stroke: 1px var(--gris);
  paint-order: stroke fill;
  display: block;
  line-height: 0.72;
}

/* About section only: heading centered below video, 2 lines */
#about-scroll-driver .video-section-title {
  text-align: center;
}
#about-scroll-driver .video-section-title .red,
#about-scroll-driver .video-section-title .green {
  font-size: clamp(1.8rem, 3.5vw, 3.2rem);
  -webkit-text-stroke: 2px var(--gris);
  text-stroke: 2px var(--gris);
}

.video-wrapper {
  position: absolute;
  left: 0;
  top: 50%;
  margin-top: -100px;
  width: 320px;
  height: 200px;
  z-index: 2;
  pointer-events: auto;
}

.video-inner {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

/* Overlay: clon del video que crece con width/height (no scale), así los controles de YouTube no se agrandan */
.video-expand-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
}

.video-expand-overlay.active {
  opacity: 1;
  visibility: visible;
}

.video-expand-overlay-inner {
  position: fixed;
  left: 0;
  top: 0;
  width: 320px;
  height: 200px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  pointer-events: auto;
}

.video-expand-clone {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0 !important;
}

.video-expand-clone .video-inner {
  border-radius: 0;
}

.video-placeholder {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--gris);
}

.video-placeholder iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ===== 3. FOCUS SECTION ===== */
.focus-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem;
}

.focus-content {
  text-align: center;
  max-width: 900px;
  position: relative;
}

.focus-title {
  font-weight: 700;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  letter-spacing: 0.02em;
  line-height: 1.3;
  color: var(--gris);
}

.focus-title .line {
  display: block;
}

.focus-title-main {
  font-size: clamp(2.5rem, 10vw, 6rem);
  line-height: 1.1;
  margin: 0.2em 0;
  color: var(--blanco);
  will-change: transform;
}

.focus-sub {
  margin-top: 1.5rem;
  font-size: 1rem;
  font-weight: 400;
  color: var(--gris);
}

/* Efecto 3D METHOD (mismo que L'ITALIANO): capas tricolor + parallax cursor — solo #method */
#method .focus-content {
  width: 100%;
  max-width: 100%;
  text-align: center;
  padding-left: 0;
  padding-right: 0;
  overflow: hidden;
}
#method .focus-title {
  width: 100%;
  line-height: 1.05;
  margin: 0 0 0.05em 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#method .focus-title .line {
  text-align: center;
}
#method .focus-title-main {
  display: inline-block;
  width: auto;
  max-width: 100%;
  margin: 0.06em 0;
  text-shadow: none;
  position: relative;
  will-change: transform;
  isolation: isolate;
  overflow: visible;
  transform: rotate(-3deg) translate(calc(var(--mouse-x, 0) * 6px), calc(var(--mouse-y, 0) * 6px));
  transition: transform 0.12s ease-out;
}
#method .focus-title-main .focus-3d-wrap {
  display: inline-block;
  text-align: center;
}
#method .focus-3d-wrap {
  position: relative;
  display: inline-block;
  max-width: 100%;
  font-size: clamp(3rem, 11vw, 115px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 0.98;
  font-family: var(--font);
}
#method .focus-3d-layer {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 1em;
  font-weight: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  font-family: inherit;
  -webkit-text-stroke: 2px var(--gris);
  text-stroke: 2px var(--gris);
  paint-order: stroke fill;
  white-space: nowrap;
  transition: transform 0.12s ease-out;
}
#method .focus-3d-layer br { white-space: normal; }
#method .focus-3d-white {
  position: relative;
  z-index: 3;
  color: var(--blanco);
  white-space: normal;
}
#method .focus-3d-green {
  z-index: 1;
  color: var(--verde-titulo);
  pointer-events: none;
  white-space: normal;
}
#method .focus-3d-red {
  z-index: 0;
  color: var(--rojo-hero);
  pointer-events: none;
  white-space: normal;
}
#method .focus-sub {
  margin-top: 0.5rem;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
}

/* ===== 4. PROOF (TESTIMONIALS) — mazo de tarjetas horizontales ===== */
.testimonials-section {
  background: #1A7A4A;
  color: var(--blanco);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 5rem 5vw calc(2rem + 70px) 5vw;
}

#proof .proof-title {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: left;
  margin: 0 auto -60px;
  max-width: 900px;
  width: 100%;
  padding: 25px 4% 0 4%;
  box-sizing: border-box;
  opacity: 0.9;
  flex-shrink: 0;
}

#proof .proof-stack {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  min-height: 180px;
  flex: 1;
  cursor: pointer;
}

#proof .proof-card {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 92%;
  max-width: 800px;
  aspect-ratio: 16 / 5;
  max-height: 200px;
  background: #fff;
  border: 1px solid #333333;
  padding: 1.25rem 40px;
  border-radius: 2px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  transform-origin: center center;
  transition: transform 0.45s ease, z-index 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

#proof .proof-card blockquote {
  margin: 0;
  font-size: clamp(0.95rem, 2.2vw, 1.35rem);
  font-weight: 700;
  line-height: 1.25;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-style: normal;
}

#proof .proof-card .proof-card-name {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.8em;
  font-weight: 400;
  font-style: normal;
  text-transform: none;
  letter-spacing: 0.02em;
}

#proof .proof-card[data-color="red"] blockquote,
#proof .proof-card[data-color="red"] .proof-card-name { color: #C94B2C; }
#proof .proof-card[data-color="green"] blockquote,
#proof .proof-card[data-color="green"] .proof-card-name { color: #1A7A4A; }

/* Posiciones del mazo: atrás (izq + rotación), medio, frente (recta); top:50% + translate(-50%,-50%) centra en el espacio flex */
#proof .proof-stack[data-active="0"] .proof-card[data-index="0"] { z-index: 3; transform: translate(-50%, -50%) rotate(0deg); }
#proof .proof-stack[data-active="0"] .proof-card[data-index="1"] { z-index: 2; transform: translate(-50%, -50%) translateX(-4%) rotate(-6deg); }
#proof .proof-stack[data-active="0"] .proof-card[data-index="2"] { z-index: 1; transform: translate(-50%, -50%) translateX(-8%) rotate(-12deg); }

#proof .proof-stack[data-active="1"] .proof-card[data-index="0"] { z-index: 1; transform: translate(-50%, -50%) translateX(8%) rotate(12deg); }
#proof .proof-stack[data-active="1"] .proof-card[data-index="1"] { z-index: 3; transform: translate(-50%, -50%) rotate(0deg); }
#proof .proof-stack[data-active="1"] .proof-card[data-index="2"] { z-index: 2; transform: translate(-50%, -50%) translateX(-4%) rotate(-6deg); }

#proof .proof-stack[data-active="2"] .proof-card[data-index="0"] { z-index: 2; transform: translate(-50%, -50%) translateX(4%) rotate(6deg); }
#proof .proof-stack[data-active="2"] .proof-card[data-index="1"] { z-index: 1; transform: translate(-50%, -50%) translateX(8%) rotate(12deg); }
#proof .proof-stack[data-active="2"] .proof-card[data-index="2"] { z-index: 3; transform: translate(-50%, -50%) rotate(0deg); }

#proof .proof-card {
  cursor: pointer;
}

/* Hover solo en la tarjeta frontal (activa): leve scale + sombra más marcada */
#proof .proof-stack[data-active="0"] .proof-card[data-index="0"]:hover {
  transform: translate(-50%, -50%) rotate(0deg) scale(1.02);
  box-shadow: 0 16px 48px rgba(0,0,0,0.28);
}
#proof .proof-stack[data-active="1"] .proof-card[data-index="1"]:hover {
  transform: translate(-50%, -50%) rotate(0deg) scale(1.02);
  box-shadow: 0 16px 48px rgba(0,0,0,0.28);
}
#proof .proof-stack[data-active="2"] .proof-card[data-index="2"]:hover {
  transform: translate(-50%, -50%) rotate(0deg) scale(1.02);
  box-shadow: 0 16px 48px rgba(0,0,0,0.28);
}

#proof .proof-footer {
  flex-shrink: 0;
  max-width: 900px;
  width: 100%;
  margin: -70px auto 0;
  padding-left: 4%;
  padding-right: 4%;
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem 1.5rem;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.92;
  padding-bottom: 0.25rem;
}

#proof .proof-footer-left {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0 2.2em;
}

#proof .proof-footer-left a {
  color: var(--blanco);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease, font-weight 0.2s ease, text-decoration-color 0.2s ease;
}

#proof .proof-footer-left a:hover {
  color: #F5C842;
  font-weight: 700;
  text-decoration: none;
}

#proof .proof-footer-right {
  display: inline-flex;
  align-items: center;
  gap: 0 1em;
}

#proof .proof-stat {
  color: inherit;
}

#proof .proof-stat-num,
#proof .proof-stat-stars {
  color: #fbb03b;
}

#proof .proof-stat-label {
  color: var(--blanco);
}

/* ===== 5. CTA FINAL ===== */
.cta-section {
  min-height: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem 3rem;
  text-align: center;
}

.cta-title {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--gris);
  margin-bottom: 1rem;
  text-shadow: 2px 2px 0 rgba(51,51,51,0.06);
}

.cta-sub {
  font-size: 1rem;
  font-weight: 400;
  color: var(--gris);
  margin-bottom: 2rem;
  max-width: 400px;
}

.cta-section .btn {
  margin-bottom: 0;
}


#book .cta-title {
  font-size: clamp(4rem, 8vw, 9rem);
  margin-bottom: 0.5rem;
}

#book .cta-title-main {
  display: inline-block;
  width: auto;
  max-width: 100%;
  transform: rotate(-3deg) translate(calc(var(--mouse-x, 0) * 6px), calc(var(--mouse-y, 0) * 6px));
  position: relative;
  will-change: transform;
  isolation: isolate;
  overflow: visible;
  text-shadow: none;
}

#book .book-3d-wrap {
  position: relative;
  display: inline-block;
  font-size: 1em;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 0.9;
  font-family: var(--font);
}

#book .book-3d-layer {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 1em;
  font-weight: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  font-family: inherit;
  -webkit-text-stroke: 2px var(--gris);
  text-stroke: 2px var(--gris);
  paint-order: stroke fill;
  white-space: nowrap;
  transition: transform 0.12s ease-out;
}

#book .book-3d-white {
  position: relative;
  z-index: 3;
  color: var(--blanco);
}

#book .book-3d-green {
  z-index: 1;
  color: var(--verde-titulo);
  pointer-events: none;
}

#book .book-3d-red {
  z-index: 0;
  color: var(--rojo-hero);
  pointer-events: none;
}

#book .cta-sub {
  max-width: 580px;
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 1rem;
  white-space: nowrap;
}

#book .cta-section .btn {
  margin-bottom: 0;
  margin-top: 0.25rem;
}

/* ===== FOOTER ===== */
.footer {
  padding: 2rem 2.5rem;
  background: var(--crema);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid rgba(51,51,51,0.08);
}

.copyright {
  font-size: 0.8rem;
  color: var(--gris);
  font-weight: 400;
}

.social {
  display: flex;
  gap: 1rem;
}

.social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--verde);
  color: var(--blanco);
  transition: transform 0.2s, background 0.2s;
}

.social a:hover {
  transform: scale(1.08);
  background: var(--gris);
}

.credit {
  font-size: 0.8rem;
  color: var(--gris);
  font-weight: 400;
}

.credit a {
  color: var(--verde);
  font-weight: 600;
}

.credit a:hover {
  text-decoration: underline;
}

.hamburger {
  display: none;
}

.mobile-nav-overlay {
  display: none;
}

/* Hero tags wrapper rows: transparent in desktop, real rows in mobile */
.tags-row {
  display: contents;
}
#cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 9999;
  background: white;
  border: 1.5px solid #333333;
  padding: 12px 16px;
  max-width: 260px;
  font-family: var(--font);
  font-size: 0.65rem;
  line-height: 1.4;
  color: #333;
}
#cookie-banner p { margin: 0 0 10px 0; }
#cookie-banner a { color: #333; text-decoration: underline; }
#cookie-banner .cookie-buttons { display: flex; gap: 8px; }
#cookie-banner .cookie-btn-accept {
  background: #333333; color: white; border: none;
  padding: 5px 12px; font-size: 0.6rem; font-weight: 700;
  cursor: pointer; letter-spacing: 0.05em; text-transform: uppercase;
  font-family: var(--font);
}
#cookie-banner .cookie-btn-decline {
  background: white; color: #333333; border: 1.5px solid #333333;
  padding: 5px 12px; font-size: 0.6rem; font-weight: 700;
  cursor: pointer; letter-spacing: 0.05em; text-transform: uppercase;
  font-family: var(--font);
}
/* ===== Responsive ===== */
@media (max-width: 768px) {

  /* ==============================
     GLOBAL
  ============================== */
  body, html {
    overflow-x: hidden !important;
    max-width: 100vw !important;
    cursor: auto !important;
  }
  .custom-cursor, #cursor-canvas {
    display: none !important;
  }
  .side-nav {
    display: none !important;
  }

  /* ==============================
     HEADER + HAMBURGER
  ============================== */
  .header {
    padding: 20px 6% !important;
    background: var(--crema) !important;
    border-bottom: 1.5px solid #333333 !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 100 !important;
  }
  .hamburger {
    display: flex !important;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 101;
  }
  .hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #333333;
  }
  .mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--crema);
    z-index: 200;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
  }
  .mobile-nav-overlay.open {
    display: flex;
  }
  .mobile-nav-links a {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333333;
    text-transform: uppercase;
    display: block;
    text-align: center;
  }
  .mobile-nav-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #333333;
  }

  .hero {
    min-height: 100svh !important;
    overflow: hidden !important;
    padding: 0px 16px 40px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .hero-content {
    width: 100% !important;
    height: auto !important;
    position: static !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    gap: 0 !important;
  }

  /* Título hero: reducir espacio vertical entre líneas */
  .hero-title {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 0 !important;
    line-height: 0.9 !important;
  }

  .hero-title .line:first-of-type {
    font-size: clamp(1.4rem, 7vw, 2.1rem) !important;
    letter-spacing: 0 !important;
    line-height: 0.9 !important;
    margin-bottom: -24px !important;
  }

  .hero-title .line.hero-title-main {
    font-size: clamp(2.4rem, 13vw, 3.8rem) !important;
    width: 100% !important;
    overflow: hidden !important;
    margin: -24px 0 !important;
    line-height: 1.0 !important;
  }

  .hero-title .line:last-of-type {
    font-size: 0 !important;
    line-height: 0 !important;
    margin: 0 !important;
    color: transparent !important;
  }

  .hero-title .line:last-of-type::after {
    content: "IN MODO AUTENTICO" !important;
    font-size: clamp(1.4rem, 7vw, 2.1rem) !important;
    font-weight: 700 !important;
    color: #333333 !important;
    display: block !important;
    line-height: 1.1 !important;
    letter-spacing: 0 !important;
    text-align: center !important;
    margin-top: -6px !important;
  }

  .hero-3d-wrap {
    font-size: 1em !important;
    white-space: nowrap !important;
    display: inline-block !important;
    overflow: visible !important;
  }

  .hero-3d-layer {
    transition: none !important;
    -webkit-text-stroke: 1px #333333 !important;
    text-stroke: 1px #333333 !important;
  }

  .hero-3d-green {
    transform: translate(-4px, 4px) !important;
    transition: none !important;
  }

  .hero-3d-red {
    transform: translate(-8px, 8px) !important;
    transition: none !important;
  }

  .hero-tags {
    position: static !important;
    inset: auto !important;
    width: 100% !important;
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    justify-content: center !important;
    gap: 4px !important;
    margin: 16px 0 24px 0 !important;
    pointer-events: auto !important;
  }

  .tags-row {
    display: contents !important;
  }

  .hero-tags .tag {
    position: static !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    font-size: 0.44rem !important;
    padding: 2px 5px !important;
    white-space: nowrap !important;
    line-height: 1.2 !important;
    border: none !important;
    outline: 0.5px solid rgba(80,80,80,0.5) !important;
  }

  .hero-stats {
    order: 2 !important;
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 4px 20px !important;
    font-size: 0.78rem !important;
    width: 100% !important;
    margin: 40px 0 0 0 !important;
  }

  .hero .btn {
    order: 3 !important;
    width: 92% !important;
    max-width: 380px !important;
    padding: 11px 20px !important;
    font-size: 0.8rem !important;
    margin-top: 28px !important;
    display: block !important;
    text-align: center !important;
    letter-spacing: 0.08em !important;
    white-space: nowrap !important;
  }

  #about-scroll-driver {
    height: auto !important;
    position: relative !important;
    margin-top: -80px !important;
  }

  #about-sticky-stage {
    position: relative !important;
    height: auto !important;
    top: auto !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 0 !important;
    padding: 16px !important;
    padding-top: 40px !important;
    overflow: visible !important;
  }

  #video-wrap {
    order: 1 !important;
    position: relative !important;
    width: 92% !important;
    height: auto !important;
    aspect-ratio: 3/4 !important;
    top: auto !important;
    left: auto !important;
    transform: none !important;
    border-radius: 0 !important;
    overflow: hidden !important;
    margin: 0 auto !important;
    display: block !important;
  }

  #about-hero-text {
    order: 2 !important;
    position: relative !important;
    top: auto !important;
    left: auto !important;
    width: 92% !important;
    opacity: 1 !important;
    margin: 0 auto !important;
    background: white !important;
    border: 1.5px solid #333333 !important;
    padding: 12px 16px !important;
    text-align: center !important;
    pointer-events: auto !important;
  }

  #about-hero-text h2 {
    font-size: 1.2rem !important;
    line-height: 1.15 !important;
    -webkit-text-stroke: 0.3px #333333 !important;
  }

  #about-marquee-bg {
    display: none !important;
  }

  #video-controls {
    display: none !important;
  }

  /* ==============================
     METHOD
  ============================== */
  #method.focus-section,
  .focus-section#method {
    min-height: auto !important;
    padding: 180px 20px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    overflow: hidden !important;
    position: relative !important;
    background: rgba(0,0,0,0.02) !important;
  }

  #method.focus-section::before {
    content: "ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO  ITALIANO";
    position: absolute !important;
    top: -20% !important;
    left: -5% !important;
    width: 120% !important;
    height: 140% !important;
    font-family: 'Arial Black', Arial, sans-serif !important;
    font-size: 3.9rem !important;
    font-weight: 900 !important;
    color: #1a1a1a !important;
    opacity: 0.04 !important;
    word-break: break-all !important;
    white-space: normal !important;
    overflow: hidden !important;
    pointer-events: none !important;
    z-index: 0 !important;
    line-height: 0.85 !important;
    letter-spacing: -0.02em !important;
    padding-left: 0 !important;
  }

  #method .focus-content {
    width: 100% !important;
    overflow: hidden !important;
    padding: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    position: relative !important;
    z-index: 1 !important;
  }

  /* "EACH LESSON FOCUSES ON" */
  #method .focus-title .line:first-child {
    font-size: 0.45rem !important;
    letter-spacing: 0 !important;
    margin-bottom: 2px !important;
    font-weight: 700 !important;
    text-align: center !important;
  }

  /* "SPEAKING AND UNDERSTANDING" — reducir para que entre */
  #method .focus-title-main {
    transform: rotate(-3deg) !important;
    transition: none !important;
    width: 100% !important;
    overflow: hidden !important;
    display: block !important;
    text-align: center !important;
  }

  #method .focus-3d-wrap {
    font-size: clamp(1.4rem, 8vw, 2.4rem) !important;
    white-space: normal !important;
    word-break: break-word !important;
    text-align: center !important;
    line-height: 1.15 !important;
    display: inline-block !important;
    width: 100% !important;
    letter-spacing: 0 !important;
  }

  #method .focus-3d-layer {
    white-space: normal !important;
    word-break: break-word !important;
    text-align: center !important;
    width: 100% !important;
  }

  #method .focus-3d-green {
    transform: translate(-3px, 3px) !important;
  }

  #method .focus-3d-red {
    transform: translate(-6px, 6px) !important;
  }

  /* Subtítulo */
  #method .focus-sub {
    font-size: 0.45rem !important;
    letter-spacing: 0 !important;
    margin-top: 4px !important;
    max-width: 80% !important;
    font-weight: 700 !important;
    white-space: normal !important;
    text-align: center !important;
  }

  /* ==============================
     PROOF
  ============================== */
  #proof.testimonials-section {
    min-height: 100svh !important;
    padding: 60px 20px 40px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
  }

  #proof .proof-title {
    text-align: center !important;
    margin: 0 0 20px 0 !important;
    padding: 0 !important;
    font-size: 0.7rem !important;
  }

  /* Stack de tarjetas: usar height fija para que el absolute funcione */
  #proof .proof-stack {
    width: 100% !important;
    height: 220px !important;
    max-width: 320px !important;
    flex: none !important;
    margin: 0 auto !important;
  }

  #proof .proof-card {
    width: 88% !important;
    max-width: 280px !important;
    aspect-ratio: auto !important;
    max-height: none !important;
    height: auto !important;
    min-height: 160px !important;
    padding: 20px 16px !important;
    font-size: 0.75rem !important;
  }

  #proof .proof-card blockquote {
    font-size: 0.8rem !important;
    line-height: 1.4 !important;
  }

  /* Footer del proof */
  #proof .proof-footer {
    width: 100% !important;
    max-width: 320px !important;
    margin: 24px auto 0 !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 12px !important;
    text-align: center !important;
    padding: 0 !important;
  }

  #proof .proof-footer-left {
    flex-direction: column !important;
    align-items: center !important;
    gap: 20px !important;
    text-align: center !important;
    font-size: 0.65rem !important;
    display: flex !important;
  }

  #proof .proof-footer-right {
    gap: 16px !important;
    font-size: 0.72rem !important;
    margin-top: 60px !important;
  }

  /* ==============================
     BOOK
  ============================== */
  #book.cta-section {
    min-height: auto !important;
    padding: 70px 20px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    overflow: visible !important;
  }

  #book .cta-title {
    font-size: 1rem !important;
    width: 100% !important;
    overflow: hidden !important;
    margin-bottom: 0 !important;
  }

  #book .cta-title-main {
    transform: rotate(-3deg) !important;
    transition: none !important;
    display: block !important;
    overflow: hidden !important;
    width: 100% !important;
  }

  #book .book-3d-wrap {
    font-size: clamp(2.5rem, 14vw, 4.5rem) !important;
    white-space: normal !important;
    word-break: break-word !important;
    text-align: center !important;
    line-height: 1.05 !important;
    display: inline-block !important;
    width: 100% !important;
    letter-spacing: 0.02em !important;
    overflow: visible !important;
    padding-bottom: 8px !important;
  }

  #book .book-3d-layer {
    white-space: normal !important;
    word-break: break-word !important;
    text-align: center !important;
    width: 100% !important;
  }

  #book .book-3d-green {
    transform: translate(-4px, 4px) !important;
  }

  #book .book-3d-red {
    transform: translate(-8px, 8px) !important;
  }

  #book .cta-sub {
    font-size: clamp(0.85rem, 3.5vw, 1rem) !important;
    max-width: 280px !important;
    white-space: normal !important;
    font-weight: 700 !important;
    margin: 16px auto 0 !important;
    text-align: center !important;
  }

  #book .btn {
    width: 92% !important;
    max-width: 340px !important;
    padding: 16px 20px !important;
    font-size: 0.75rem !important;
    margin-top: 20px !important;
    display: block !important;
    text-align: center !important;
    letter-spacing: 0.08em !important;
  }

  /* ==============================
     FOOTER
  ============================== */
  .footer {
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 40px 20px !important;
    gap: 16px !important;
    text-align: center !important;
  }

  .footer .copyright,
  .footer .credit {
    font-size: 0.72rem !important;
    text-align: center !important;
  }

  .footer .social {
    justify-content: center !important;
  }

  #cookie-banner {
    left: 20px !important;
    max-width: 260px !important;
    text-align: center !important;
  }
  #cookie-banner .cookie-buttons {
    justify-content: center !important;
  }

}

@media (prefers-reduced-motion: reduce) {
  .hero-title-main,
  .focus-title-main,
  .hero-tags .tag {
    will-change: auto;
  }
}

@keyframes marquee-ltr {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0%); }
}
@keyframes marquee-rtl {
  from { transform: translateX(0%); }
  to   { transform: translateX(-50%); }
}
.marquee-left {
  animation: marquee-ltr 18s linear infinite;
}
.marquee-right {
  animation: marquee-rtl 22s linear infinite;
}
.marquee-row-text {
  font-family: 'Arial Black', Arial, sans-serif;
  font-size: clamp(4.6rem, 11.5vw, 10.5rem);
  line-height: 0.9;
  font-weight: 900;
  text-transform: uppercase;
  color: #1a1a1a;
  letter-spacing: 0em;
}

#video-controls {
  opacity: 0;
  transition: opacity 0.25s ease;
}
#mute-btn {
  opacity: 0;
  transition: opacity 0.25s ease;
}
#video-wrap:hover #video-controls {
  opacity: 1;
}
#video-wrap:hover #mute-btn {
  opacity: 1;
}

/* ===== Calendly popup: altura fija para evitar scrollbar en meses de 31 días ===== */
.calendly-popup-content {
  height: 750px !important;
}