/* ===================================================================
   STUDIO INGLÉS — DESIGN SYSTEM
   Marca personal premium. Minimal, elegante, sofisticada.
   =================================================================== */

:root {
  /* --- Color tokens (del brief) --- */
  --bg: #FAF9FB;
  --blush: #F7EEF6;
  --lilac: #ECE5F8;
  --violet: #9FADD0;              /* pastel accent, matches the new logo */
  --violet-deep: #5C6A8C;         /* same hue, darkened for readable text/hover */
  --violet-soft: rgba(159, 173, 208, 0.18);
  --ink: #1B1B1B;
  --ink-soft: #514E57;
  --gray-200: #E7E4EC;
  --gray-100: #F1EFF5;
  --white: #FFFFFF;

  /* --- Type --- */
  --font-display: 'Playfair Display', serif;
  --font-body: 'Manrope', sans-serif;

  /* --- Spacing scale --- */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 4rem;
  --space-2xl: 5.8rem;

  /* --- Shape / shadow --- */
  --radius-sm: 14px;
  --radius-md: 24px;
  --radius-lg: 32px;
  --shadow-soft: 0 20px 60px -20px rgba(159, 173, 208, 0.35);
  --shadow-card: 0 12px 40px -18px rgba(27, 27, 27, 0.10);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===================== RESET ===================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, p, ul, blockquote, figure { margin: 0; }
ul { padding: 0; list-style: none; }
a { text-decoration: none; color: inherit; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }
img { max-width: 100%; display: block; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
.container--narrow { max-width: 780px; }

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

/* ===================== TYPOGRAPHY ===================== */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--violet-deep);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}
.eyebrow.center { text-align: center; }

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 2.9rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: var(--space-sm);
}
.section__title.center { text-align: center; margin-left: auto; margin-right: auto; }

.section__subtitle {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto 1.75rem;
}
.section__subtitle.center { text-align: center; }

em { font-style: italic; color: var(--violet-deep); }

/* ===================== CURSOR GLOW ===================== */
.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(159,173,208,0.22) 0%, rgba(159,173,208,0) 70%);
  pointer-events: none;
  z-index: 2;
  transform: translate(-50%, -50%);
  will-change: transform;
}
@media (max-width: 900px), (hover: none) { .cursor-glow { display: none; } }

/* ===================== SCROLL PROGRESS ===================== */
.scroll-progress {
  position: fixed; top: 0; left: 0; width: 100%; height: 3px; z-index: 999;
  background: transparent;
}
.scroll-progress__bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--violet-deep), var(--violet));
}

/* ===================== HEADER ===================== */
.header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  padding: 26px 0;
  transition: all 0.4s var(--ease);
}
.header.scrolled {
  padding: 16px 0;
  background: rgba(250, 249, 251, 0.75);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow: 0 1px 0 rgba(27,27,27,0.05);
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.logo span { color: var(--violet-deep); font-style: italic; }
.logo__img { height: 30px; width: auto; display: block; }

.nav { display: flex; gap: 36px; }
.nav__link {
  font-size: 0.92rem; font-weight: 500; color: var(--ink);
  position: relative; padding: 4px 0;
  transition: color 0.3s var(--ease);
}
.nav__link::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 1px; background: var(--violet-deep);
  transition: width 0.35s var(--ease);
}
.nav__link:hover { color: var(--violet-deep); }
.nav__link:hover::after { width: 100%; }

.menu-toggle {
  display: none; flex-direction: column; gap: 5px; padding: 8px;
}
.menu-toggle span {
  width: 22px; height: 1.5px; background: var(--ink); border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav {
  position: fixed; top: 0; right: 0; height: 100vh; width: min(78vw, 340px);
  background: var(--white); z-index: 110;
  display: flex; flex-direction: column; gap: 6px;
  padding: 100px 36px 40px;
  transform: translateX(100%);
  transition: transform 0.45s var(--ease);
  box-shadow: -30px 0 60px rgba(27,27,27,0.08);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav__link { padding: 14px 0; font-size: 1.05rem; border-bottom: 1px solid var(--gray-100); }
.mobile-nav__cta { margin-top: 24px; text-align: center; }

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 32px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--violet); color: var(--ink);
  box-shadow: 0 14px 34px -12px rgba(159,173,208,0.6);
}
.btn--primary:hover { background: var(--violet-deep); color: var(--white); transform: translateY(-2px); box-shadow: 0 18px 40px -12px rgba(92,106,140,0.45); }

.btn--ghost {
  background: transparent; color: var(--ink);
  border: 1px solid var(--gray-200);
}
.btn--ghost:hover { border-color: var(--violet-deep); color: var(--violet-deep); transform: translateY(-2px); }

.btn--small { padding: 10px 22px; font-size: 0.85rem; }
.btn--large { padding: 19px 44px; font-size: 1rem; }

.btn--glow { position: relative; overflow: hidden; }
.btn--glow::before {
  content: ''; position: absolute; top: 0; left: -60%;
  width: 50%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.45), transparent);
  transform: skewX(-20deg);
  transition: left 0.7s var(--ease);
}
.btn--glow:hover::before { left: 130%; }

.header__cta { display: inline-flex; }
@media (max-width: 900px) { .header__cta { display: none; } }

/* ===================== HERO ===================== */
.hero {
  min-height: 92vh;
  display: flex; align-items: center;
  padding-top: 140px;
  position: relative;
  overflow: hidden;
}
.hero__aurora {
  position: absolute; inset: -20% -10% auto -10%; height: 120%;
  background:
    radial-gradient(40% 50% at 20% 20%, var(--blush) 0%, transparent 70%),
    radial-gradient(45% 55% at 85% 10%, var(--lilac) 0%, transparent 70%);
  filter: blur(10px);
  z-index: -1;
  opacity: 0.9;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-lg);
  align-items: center;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.6vw, 3.8rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: var(--space-sm);
  color: var(--ink);
}
.hero__subtitle {
  font-size: 1.12rem;
  color: var(--ink-soft);
  max-width: 480px;
  margin-bottom: var(--space-md);
}
.hero__actions { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: var(--space-md); }

.hero__proof {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  font-size: 0.88rem; color: var(--ink-soft); font-weight: 500;
}
.stars { color: var(--violet-deep); letter-spacing: 2px; }
.divider { color: var(--gray-200); }

.hero__media { position: relative; }
.hero__frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 5 / 5.4;
  background: linear-gradient(155deg, var(--lilac) 0%, var(--blush) 55%, var(--white) 100%);
}
.hero__photo {
  width: 100%; height: 100%;
  background-size: cover; background-position: center top;
}

.floating-card {
  position: absolute;
  display: flex; align-items: center; gap: 12px;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  box-shadow: var(--shadow-card);
  max-width: 230px;
}
.floating-card strong { display: block; font-size: 0.86rem; }
.floating-card p { font-size: 0.78rem; color: var(--ink-soft); margin-top: 2px; }
.floating-card__icon {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--violet-soft); color: var(--violet-deep);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; flex-shrink: 0;
}
.floating-card--1 { top: 10%; left: -8%; }
.floating-card--2 { bottom: 8%; right: -8%; }

.scroll-cue {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  width: 22px; height: 36px; border: 1.5px solid var(--gray-200); border-radius: 20px;
}
.scroll-cue span {
  display: block; width: 4px; height: 8px; margin: 6px auto 0;
  background: var(--violet-deep); border-radius: 3px;
  animation: scrollCue 1.8s infinite var(--ease);
}
@keyframes scrollCue { 0% { opacity: 1; transform: translateY(0); } 70% { opacity: 0; transform: translateY(14px); } 100% { opacity: 0; } }

/* ===================== STATEMENT (frase de impacto) ===================== */
.statement {
  min-height: 70vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(180deg, var(--bg) 0%, var(--blush) 100%);
  text-align: center;
}
.statement__text {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.4vw, 3.4rem);
  font-weight: 500;
  line-height: 1.35;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===================== GRID / CARDS ===================== */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.grid--3 { grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 880px; margin: 0 auto; }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.align-center { align-items: center; }

.card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  font-size: 0.96rem;
  color: var(--ink);
  box-shadow: var(--shadow-card);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px -20px rgba(159,173,208,0.45); }

.problem__closing {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--violet-deep);
  max-width: 640px;
  margin: var(--space-lg) auto 0;
}

/* ===================== TIMELINE ===================== */
.transformation { background: var(--lilac); }
.why-me .grid--2 { gap: 2rem; }
.timeline {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: start;
  max-width: 760px;
  margin: 0 auto;
}
.timeline__col {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  box-shadow: var(--shadow-card);
}
.timeline__label {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 10px;
}
.timeline__label--accent { color: var(--violet-deep); }
.timeline__list li {
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.94rem;
}
.timeline__list li:last-child { border-bottom: none; }
.timeline__col--after .timeline__list li::before { content: '✦ '; color: var(--violet-deep); }
.timeline__arrow {
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; color: var(--violet-deep); padding-top: 60px;
}

/* ===================== FOR WHO / CHECK LIST ===================== */
.check-list { margin: 24px 0 32px; }
.check-list li {
  padding: 12px 0 12px 34px;
  position: relative;
  border-bottom: 1px solid var(--gray-100);
  font-size: 1rem;
}
.check-list li:last-child { border-bottom: none; }
.check-list li::before {
  content: '✓';
  position: absolute; left: 0; top: 12px;
  color: var(--violet-deep); font-weight: 700;
}

.image-block { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-soft); }
.image-block__photo {
  width: 100%; aspect-ratio: 4/5;
  background-image: linear-gradient(155deg, var(--lilac), var(--blush));
  background-size: cover; background-position: center;
}
.image-block--zoom .image-block__photo { aspect-ratio: 5/4; }
.image-block--about .image-block__photo { aspect-ratio: 4/5; }

/* ===================== FILTER SECTION ===================== */
.filter { background: var(--bg); }
.filter-card {
  border-radius: var(--radius-md);
  padding: 36px;
}
.filter-card--no { background: var(--white); border: 1px solid var(--gray-100); }
.filter-card--yes { background: linear-gradient(160deg, #EFFBF3, #FFFFFF); border: 1px solid #D9F0E1; }
.filter-card--solo { max-width: 640px; margin: 0 auto; }
.filter-card__tag {
  display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 6px 14px; border-radius: 100px;
  background: var(--gray-100); color: var(--ink-soft); margin-bottom: 20px;
}
.filter-card__tag--yes { background: #DCF3E4; color: #1E7A45; }
.filter-card--no li, .filter-card--yes li { padding: 8px 0; font-size: 0.98rem; }
.filter-card--no li::before { content: '— '; color: var(--ink-soft); }
.filter-card--yes li::before { content: '✓ '; color: #1E7A45; font-weight: 700; }

/* ===================== FEATURE CARDS (clases) ===================== */
.classes { background: linear-gradient(180deg, var(--bg), var(--blush) 60%, var(--bg)); }
.feature-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  box-shadow: var(--shadow-card);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px -20px rgba(159,173,208,0.45); }
.feature-card__head {
  display: flex; align-items: center; gap: 12px; margin-bottom: 8px;
}
.feature-card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--violet-soft); color: var(--violet-deep);
  font-size: 1.1rem; flex-shrink: 0;
}
.feature-card h3 { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 0; font-weight: 600; }
.feature-card p { font-size: 0.92rem; color: var(--ink-soft); }

/* ===================== WHY ME ===================== */
.why-list { display: flex; flex-direction: column; gap: 26px; }
.why-item { display: flex; gap: 20px; }
.why-item__number {
  font-family: var(--font-display);
  font-size: 1.6rem; font-style: italic; color: var(--violet-deep);
  flex-shrink: 0; width: 44px;
}
.why-item h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.why-item p { font-size: 0.94rem; color: var(--ink-soft); }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
}
.stat-card__number {
  font-family: var(--font-display);
  font-size: 2.6rem; font-weight: 600; color: var(--violet-deep);
}
.stat-card__plus { font-family: var(--font-display); font-size: 2rem; color: var(--violet-deep); }
.stat-card p { margin-top: 6px; color: var(--ink-soft); font-size: 0.9rem; }

/* ===================== METHOD ===================== */
.method { background: var(--blush); text-align: center; }
.method__text p { font-size: 1.1rem; color: var(--ink-soft); margin-bottom: 14px; }
.method__highlight {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.35rem !important;
  color: var(--ink) !important;
  margin-top: 24px !important;
}

/* ===================== ABOUT ===================== */
.about .grid--2.align-center { align-items: start; }
.about__text { font-size: 1.02rem; color: var(--ink-soft); margin-bottom: 18px; }
.about__text--accent { color: var(--ink); font-weight: 500; }

.certifications {
  display: flex; gap: 14px; margin-top: 20px;
}
.cert-item { flex: 1; }
.cert-item img {
  width: 100%; border-radius: 14px;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-card);
}
.cert-item span {
  display: block; margin-top: 8px;
  font-size: 0.75rem; color: var(--ink-soft); text-align: center;
  line-height: 1.4;
}

/* ===================== TESTIMONIALS ===================== */
.testimonial {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-card);
  position: relative;
}
.testimonial--shot { padding: 14px 14px 18px; }
.testimonials .grid--2 { gap: 1.5rem; }
.testimonial p { font-size: 0.98rem; line-height: 1.65; margin-bottom: 18px; }
.testimonial cite {
  font-style: normal; font-size: 0.85rem; font-weight: 700; color: var(--violet-deep);
}

.testimonial--shot img {
  width: 100%; border-radius: 16px; display: block; margin-bottom: 18px;
  box-shadow: var(--shadow-card);
}
.testimonial__meta strong { display: block; font-size: 0.95rem; color: var(--ink); }
.testimonial__meta span { font-size: 0.82rem; color: var(--ink-soft); }
.testimonial--cta {
  background: linear-gradient(160deg, var(--violet-deep), #45506B);
  color: var(--white);
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 16px;
}
.testimonial--cta p { font-family: var(--font-display); font-size: 1.3rem; font-style: italic; }
.testimonial--cta .btn--ghost {
  color: var(--white); border-color: rgba(255,255,255,0.5);
}
.testimonial--cta .btn--ghost:hover {
  color: var(--white); border-color: var(--white);
}

/* ===================== FAQ / ACCORDION ===================== */
.accordion__item {
  border-bottom: 1px solid var(--gray-200);
}
.accordion__trigger {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 4px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-align: left;
}
.accordion__icon {
  font-size: 1.3rem; color: var(--violet-deep);
  transition: transform 0.35s var(--ease);
  flex-shrink: 0; margin-left: 20px;
}
.accordion__item.open .accordion__icon { transform: rotate(45deg); }
.accordion__panel {
  max-height: 0; overflow: hidden;
  transition: max-height 0.45s var(--ease), padding 0.45s var(--ease);
}
.accordion__panel p { padding-bottom: 22px; color: var(--ink-soft); max-width: 640px; }

/* ===================== FINAL CTA ===================== */
.final-cta {
  background: linear-gradient(180deg, var(--bg), var(--lilac));
  position: relative; overflow: hidden;
}
.final-cta__aurora {
  position: absolute; inset: 0;
  background: radial-gradient(50% 60% at 90% 30%, var(--blush) 0%, transparent 70%);
  z-index: -1;
}
.final-cta__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  font-weight: 600; line-height: 1.25;
  margin-bottom: 20px;
}
.final-cta__text { font-size: 1.05rem; color: var(--ink-soft); margin-bottom: 30px; max-width: 480px; }
.final-cta__note { margin-top: 16px; font-size: 0.85rem; color: var(--ink-soft); }

.final-cta__solo {
  max-width: 680px; margin: 0 auto; text-align: center;
}
.final-cta__solo .final-cta__text { margin-left: auto; margin-right: auto; }
.final-cta__solo .hero__proof,
.final-cta__solo .btn { margin-left: auto; margin-right: auto; }

/* ===================== FOOTER ===================== */
.footer { padding: 40px 0; border-top: 1px solid var(--gray-100); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.logo--footer { font-size: 1.1rem; }
.footer__copy { font-size: 0.85rem; color: var(--ink-soft); }
.footer__whatsapp { font-size: 0.85rem; font-weight: 700; color: var(--violet-deep); }

/* ===================== WHATSAPP FLOAT ===================== */
.whatsapp-float {
  position: fixed; bottom: 26px; right: 26px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 30px -8px rgba(37,211,102,0.55);
  transition: transform 0.3s var(--ease);
}
.whatsapp-float:hover { transform: scale(1.08); }