/* =========================================================
   Instituto Erikar — Especialidad en Belleza y Cambio de Imagen
   Design tokens
   ========================================================= */
:root{
  --plum-950:#1c0824;
  --plum-900:#2a0f36;
  --plum-800:#3c1548;
  --plum-700:#521a54;
  --magenta-600:#6d2260;
  --magenta-500:#8a2e6f;

  --ink:#fbf7fb;
  --ink-soft:rgba(251,247,251,.78);
  --ink-faint:rgba(251,247,251,.56);
  --ink-hair:rgba(251,247,251,.14);

  --card:rgba(255,255,255,.055);
  --card-strong:rgba(255,255,255,.09);
  --card-border:rgba(255,255,255,.14);

  --gold:#cc9e5c;
  --gold-soft:#e7c68f;
  --gold-dim:rgba(204,158,92,.35);

  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --radius-pill:999px;

  --shadow-lg:0 30px 60px -25px rgba(10,2,15,.65);
  --shadow-md:0 18px 34px -18px rgba(10,2,15,.55);

  --font-display:'Fraunces', 'Georgia', serif;
  --font-body:'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-script:'Dancing Script', cursive;

  --ease:cubic-bezier(.22,.68,.32,1);
}

/* =========================================================
   Reset & base
   ========================================================= */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  min-height:100vh;
  font-family:var(--font-body);
  color:var(--ink);
  background:
    radial-gradient(1100px 700px at 12% -10%, rgba(255,255,255,.06), transparent 55%),
    linear-gradient(180deg, var(--plum-950) 0%, var(--plum-900) 22%, var(--plum-800) 48%, var(--magenta-600) 72%, var(--magenta-500) 100%);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
h1,h2,h3{ font-family:var(--font-display); font-weight:700; margin:0; line-height:1.08; letter-spacing:-.01em; }
p{ margin:0; }

.wrap{ max-width:1180px; margin:0 auto; padding:0 24px; position:relative; z-index:2; }
.wrap--narrow{ max-width:820px; }

:focus-visible{
  outline:2px solid var(--gold-soft);
  outline-offset:3px;
  border-radius:6px;
}

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--gold); color:var(--plum-950); padding:12px 18px; border-radius:0 0 10px 0; font-weight:700;
}
.skip-link:focus{ left:0; }

/* =========================================================
   Decorative ribbon (signature motif) — echoes the satin
   diagonal swoosh from the print design, rendered as an
   ambient full-page ribbon of light behind the content.
   ========================================================= */
.ribbon-layer{
  position:absolute; inset:0 0 auto 0; width:100%; height:5200px;
  z-index:0; pointer-events:none; overflow:hidden;
}
.ribbon-layer svg{ width:100%; height:100%; display:block; }
.ribbon-path{
  fill:none;
  stroke:rgba(255,255,255,.05);
  stroke-width:190;
  stroke-linecap:round;
}

/* =========================================================
   Reveal-on-scroll
   ========================================================= */
.reveal-up{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal-up.is-visible{ opacity:1; transform:translateY(0); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal-up{ opacity:1; transform:none; transition:none; }
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}

/* =========================================================
   Eyebrow / labels
   ========================================================= */
.eyebrow{
  font-family:var(--font-body);
  font-size:.8rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold-soft);
  margin:0 0 10px;
}
.eyebrow--light{ color:var(--gold-soft); }

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  padding:14px 26px;
  border-radius:var(--radius-pill);
  font-weight:700;
  font-size:.95rem;
  white-space:nowrap;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
  border:1.5px solid transparent;
}
.btn .icon{ width:18px; height:18px; flex:none; }
.btn-primary{
  background:linear-gradient(135deg, var(--gold-soft), var(--gold));
  color:var(--plum-950);
  box-shadow:0 14px 28px -12px rgba(204,158,92,.55);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 18px 32px -12px rgba(204,158,92,.7); }
.btn-outline{
  border-color:rgba(255,255,255,.35);
  color:var(--ink);
  background:rgba(255,255,255,.03);
}
.btn-outline:hover{ border-color:var(--gold-soft); color:var(--gold-soft); transform:translateY(-2px); }
.btn-ghost{
  color:var(--ink);
  padding:10px 18px;
  border-color:rgba(255,255,255,.25);
}
.btn-ghost:hover{ border-color:var(--gold-soft); color:var(--gold-soft); }
.btn-sm{ padding:9px 18px; font-size:.85rem; }
.btn-lg{ padding:17px 32px; font-size:1rem; }
.btn-block{ width:100%; }

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  padding:18px 0;
  transition:padding .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  padding:10px 0;
  background:rgba(26,8,34,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 12px 30px -18px rgba(0,0,0,.6);
  border-bottom:1px solid var(--ink-hair);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:20px; }

.brand{ display:flex; flex-direction:column; line-height:1; gap:2px; }
.brand-mark{
  font-family:var(--font-script);
  font-weight:700;
  font-size:2rem;
  color:var(--ink);
}
.brand-sub{
  font-size:.62rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--ink-faint);
}

.main-nav{ display:flex; align-items:center; gap:30px; }
.main-nav a{
  font-size:.9rem; font-weight:600; color:var(--ink-soft);
  position:relative; padding:4px 0;
  transition:color .25s var(--ease);
}
.main-nav a::after{
  content:''; position:absolute; left:0; right:100%; bottom:-2px; height:2px;
  background:var(--gold-soft); transition:right .3s var(--ease);
}
.main-nav a:hover{ color:var(--ink); }
.main-nav a:hover::after{ right:0; }

.header-actions{ display:flex; align-items:center; gap:14px; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:38px; height:38px; border-radius:10px;
}
.nav-toggle span{
  display:block; width:20px; height:2px; background:var(--ink); margin:0 auto;
  transition:transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */
.hero{ position:relative; padding:64px 0 120px; overflow:hidden; }
.hero-blob{
  position:absolute; border-radius:50%; filter:blur(70px); pointer-events:none; z-index:0;
  animation:float 16s ease-in-out infinite;
}
.hero-blob--a{
  width:520px; height:520px; top:-180px; right:-120px;
  background:radial-gradient(circle at 30% 30%, rgba(231,198,143,.28), transparent 70%);
}
.hero-blob--b{
  width:420px; height:420px; bottom:-160px; left:-140px;
  background:radial-gradient(circle at 60% 40%, rgba(255,255,255,.10), transparent 70%);
  animation-delay:-8s;
}
@keyframes float{
  0%,100%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(-18px,26px) scale(1.06); }
}

.hero-inner{
  display:grid; grid-template-columns:1.15fr .95fr; gap:56px; align-items:start;
}
.hero-title{
  font-size:clamp(2.6rem, 5.4vw, 4.4rem);
  margin:6px 0 22px;
}
.hero-title .amp{ color:var(--gold-soft); font-style:italic; }
.hero-lede{
  font-size:1.08rem; line-height:1.65; color:var(--ink-soft);
  max-width:46ch; margin-bottom:34px;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:16px; margin-bottom:44px; }

.hero-stats{ display:flex; flex-wrap:wrap; gap:28px 36px; }
.hero-stats li{ display:flex; flex-direction:column; gap:2px; }
.stat-num{ font-family:var(--font-display); font-size:1.7rem; font-weight:700; color:var(--gold-soft); }
.stat-label{ font-size:.78rem; color:var(--ink-faint); max-width:14ch; }

.hero-card{
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--radius-xl);
  padding:38px 34px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-lg);
  display:flex; flex-direction:column; gap:16px;
  margin-top:8px;
}
.hero-card-kicker{
  font-family:var(--font-display); font-weight:600; font-size:1.15rem; color:var(--ink);
}
.hero-card p{ color:var(--ink-soft); line-height:1.6; font-size:.98rem; }
.hero-card-foot{
  margin-top:8px; padding-top:20px; border-top:1px solid var(--ink-hair);
  display:flex; align-items:center; gap:16px; flex-wrap:wrap;
}
.fee-chip{
  display:flex; align-items:baseline; gap:8px;
  background:linear-gradient(135deg, rgba(204,158,92,.18), rgba(204,158,92,.05));
  border:1px solid var(--gold-dim);
  border-radius:var(--radius-pill);
  padding:9px 20px;
}
.fee-label{ font-size:.72rem; text-transform:uppercase; letter-spacing:.1em; color:var(--gold-soft); font-weight:700; }
.fee-amount{ font-family:var(--font-display); font-size:1.35rem; font-weight:700; color:var(--ink); }
.hero-card-note{ font-size:.82rem; color:var(--ink-faint); }

/* =========================================================
   Section shells
   ========================================================= */
.section{ position:relative; padding:110px 0; z-index:1; }
.section--alt{ background:linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,0)); }
.section-head{ max-width:680px; margin:0 auto 54px; text-align:center; }
.section-head h2{ font-size:clamp(2rem, 3.6vw, 2.7rem); }
.section-sub{ margin-top:16px; color:var(--ink-soft); font-size:1.02rem; line-height:1.6; }

/* =========================================================
   Sistemas de estudio — pricing cards
   ========================================================= */
.plans{ display:grid; grid-template-columns:repeat(3, 1fr); gap:26px; }
.plan-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--radius-lg);
  padding:34px 28px 30px;
  display:flex; flex-direction:column; gap:14px;
  transition:transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
}
.plan-card:hover{
  transform:translateY(-8px);
  border-color:var(--gold-dim);
  background:var(--card-strong);
  box-shadow:var(--shadow-md);
}
.plan-card--featured{
  background:linear-gradient(165deg, rgba(204,158,92,.14), rgba(255,255,255,.05));
  border-color:var(--gold-dim);
  transform:scale(1.03);
}
.plan-card--featured:hover{ transform:translateY(-8px) scale(1.03); }
.plan-featured-tag{
  position:absolute; top:-13px; left:28px;
  background:linear-gradient(135deg, var(--gold-soft), var(--gold));
  color:var(--plum-950); font-size:.68rem; font-weight:800; letter-spacing:.06em; text-transform:uppercase;
  padding:6px 14px; border-radius:var(--radius-pill);
  box-shadow:0 10px 18px -8px rgba(204,158,92,.6);
}
.plan-badge{
  align-self:flex-start;
  font-size:.72rem; font-weight:800; letter-spacing:.1em; text-transform:uppercase;
  color:var(--gold-soft);
  background:rgba(204,158,92,.12);
  border:1px solid var(--gold-dim);
  padding:6px 14px; border-radius:var(--radius-pill);
}
.plan-name{ font-size:1.28rem; margin-top:2px; }
.plan-detail{ color:var(--ink-soft); font-size:.92rem; line-height:1.55; }
.plan-schedule{ display:flex; flex-direction:column; gap:6px; font-size:.88rem; color:var(--ink-soft); padding-top:2px; }
.plan-schedule li{ position:relative; padding-left:16px; }
.plan-schedule li::before{
  content:''; position:absolute; left:0; top:.55em; width:6px; height:6px; border-radius:50%;
  background:var(--gold-soft);
}
.plan-price{ display:flex; align-items:baseline; gap:6px; margin-top:6px; padding-top:16px; border-top:1px solid var(--ink-hair); }
.price-amount{ font-family:var(--font-display); font-size:2.1rem; font-weight:700; color:var(--ink); }
.price-period{ font-size:.85rem; color:var(--ink-faint); }
.plan-duration{ font-size:.85rem; color:var(--ink-faint); margin-bottom:6px; }

.plans-footnote{
  text-align:center; margin-top:38px; color:var(--ink-faint); font-size:.92rem;
}
.plans-footnote strong{ color:var(--gold-soft); }

/* =========================================================
   Plan de estudios — module accordion
   ========================================================= */
.modules{ display:flex; flex-direction:column; gap:16px; max-width:880px; margin:0 auto; }
.module-card{
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:border-color .3s var(--ease), background .3s var(--ease);
}
.module-card:hover{ border-color:rgba(255,255,255,.24); }
.module-card.is-open{ background:var(--card-strong); border-color:var(--gold-dim); }

.module-head{
  width:100%;
  display:flex; align-items:center; gap:20px;
  padding:24px 28px;
  text-align:left;
}
.module-num{
  font-family:var(--font-display); font-size:1.6rem; font-weight:700;
  color:var(--gold-soft); flex:none; width:52px;
}
.module-title-wrap{ display:flex; flex-direction:column; gap:3px; flex:1; }
.module-eyebrow{ font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-faint); }
.module-title{ font-family:var(--font-display); font-weight:600; font-size:1.18rem; color:var(--ink); }
.module-chevron{ width:20px; height:20px; flex:none; color:var(--ink-soft); transition:transform .35s var(--ease); }
.module-card.is-open .module-chevron{ transform:rotate(180deg); color:var(--gold-soft); }

.module-body{
  display:grid; grid-template-rows:0fr; transition:grid-template-rows .4s var(--ease);
  overflow:hidden;
}
.module-card.is-open .module-body{ grid-template-rows:1fr; }
.module-inner{ overflow:hidden; min-height:0; }

.module-list{
  padding:0 28px 26px 100px;
  display:grid; grid-template-columns:1fr 1fr; gap:8px 26px;
}
.module-list li{
  position:relative; padding-left:16px; color:var(--ink-soft); font-size:.92rem; line-height:1.5;
}
.module-list li::before{
  content:''; position:absolute; left:0; top:.6em; width:5px; height:5px; border-radius:50%;
  background:var(--gold-soft);
}
.module-list--dense{ grid-template-columns:1fr 1fr; }

/* =========================================================
   Qué incluye
   ========================================================= */
.includes{
  max-width:760px; margin:0 auto;
  display:flex; flex-direction:column;
}
.include-row{
  display:flex; gap:22px; align-items:flex-start;
  padding:24px 6px;
  border-top:1px solid var(--ink-hair);
}
.include-row:first-child{ border-top:none; }
.include-icon{
  flex:none; width:48px; height:48px; border-radius:50%;
  background:rgba(204,158,92,.12); border:1px solid var(--gold-dim);
  display:flex; align-items:center; justify-content:center;
  color:var(--gold-soft);
}
.include-icon svg{ width:22px; height:22px; }
.include-copy h3{ font-size:1.12rem; margin-bottom:6px; font-family:var(--font-display); font-weight:600; }
.include-copy p{ color:var(--ink-soft); font-size:.95rem; line-height:1.6; }

/* =========================================================
   Emprender / stat split
   ========================================================= */
.split-inner{
  display:grid; grid-template-columns:1.2fr .8fr; gap:56px; align-items:center;
}
.split-copy h2{ font-size:clamp(1.9rem, 3.2vw, 2.4rem); margin-bottom:18px; }
.split-copy p{ color:var(--ink-soft); line-height:1.65; margin-bottom:14px; }
.service-chips{ display:flex; flex-wrap:wrap; gap:10px; margin-top:20px; }
.service-chips li{
  font-size:.85rem; font-weight:600; color:var(--ink);
  background:rgba(255,255,255,.06); border:1px solid var(--card-border);
  padding:8px 16px; border-radius:var(--radius-pill);
  transition:border-color .25s var(--ease), transform .25s var(--ease);
}
.service-chips li:hover{ border-color:var(--gold-dim); transform:translateY(-2px); }

.split-stat{
  background:linear-gradient(165deg, rgba(204,158,92,.16), rgba(255,255,255,.04));
  border:1px solid var(--gold-dim);
  border-radius:var(--radius-xl);
  padding:44px 36px;
  text-align:center;
  display:flex; flex-direction:column; align-items:center; gap:10px;
  box-shadow:var(--shadow-md);
}
.split-stat-num{
  font-family:var(--font-display); font-size:clamp(3.2rem, 6vw, 4.6rem); font-weight:700; color:var(--gold-soft);
  line-height:1;
}
.split-stat-label{ font-size:.95rem; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:var(--ink); margin-bottom:10px; }
.split-stat p{ color:var(--ink-soft); font-size:.9rem; line-height:1.6; }

/* =========================================================
   Términos y condiciones
   ========================================================= */
.terms{ display:flex; flex-direction:column; gap:12px; }
.term-item{
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--radius-md);
  padding:6px 22px;
  transition:border-color .3s var(--ease), background .3s var(--ease);
}
.term-item[open]{ background:var(--card-strong); border-color:var(--gold-dim); }
.term-item summary{
  cursor:pointer; list-style:none;
  padding:18px 0; font-weight:700; font-size:1rem; color:var(--ink);
  display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.term-item summary::-webkit-details-marker{ display:none; }
.term-item summary::after{
  content:'+';
  font-family:var(--font-display); font-size:1.3rem; color:var(--gold-soft);
  transition:transform .3s var(--ease);
  flex:none;
}
.term-item[open] summary::after{ content:'–'; }
.term-item p{ color:var(--ink-soft); font-size:.92rem; line-height:1.65; padding-bottom:20px; }

/* =========================================================
   Contacto
   ========================================================= */
.contact-panel{
  display:grid; grid-template-columns:1.05fr .95fr; gap:0;
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.contact-info{ padding:56px 48px; }
.contact-info h2{ font-size:clamp(1.7rem, 3vw, 2.15rem); margin-bottom:16px; }
.contact-lede{ color:var(--ink-soft); line-height:1.6; margin-bottom:30px; }

.contact-list{ display:flex; flex-direction:column; gap:20px; margin-bottom:34px; }
.contact-list li{ display:flex; gap:16px; align-items:flex-start; }
.contact-icon{
  flex:none; width:40px; height:40px; border-radius:50%;
  background:rgba(204,158,92,.12); border:1px solid var(--gold-dim);
  display:flex; align-items:center; justify-content:center; color:var(--gold-soft);
}
.contact-icon svg{ width:19px; height:19px; }
.contact-label{ font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-faint); margin-bottom:3px; }
.contact-value{ font-size:.98rem; color:var(--ink); font-weight:600; }
.contact-value a:hover{ color:var(--gold-soft); }

.contact-form{
  background:rgba(0,0,0,.16);
  padding:48px 44px;
  display:flex; flex-direction:column; gap:16px;
  border-left:1px solid var(--card-border);
}
.contact-form-title{ font-family:var(--font-display); font-weight:600; font-size:1.3rem; }
.contact-form-sub{ color:var(--ink-faint); font-size:.86rem; margin-bottom:6px; line-height:1.5; }
.field{ display:flex; flex-direction:column; gap:7px; }
.field span{ font-size:.8rem; font-weight:700; color:var(--ink-soft); }
.field input, .field select, .field textarea{
  font-family:var(--font-body);
  background:rgba(255,255,255,.06);
  border:1px solid var(--card-border);
  border-radius:var(--radius-sm);
  padding:12px 14px;
  color:var(--ink);
  font-size:.92rem;
  resize:vertical;
  transition:border-color .25s var(--ease), background .25s var(--ease);
}
.field select option{ color:#1c0824; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--gold-soft); background:rgba(255,255,255,.1);
}
.field input::placeholder, .field textarea::placeholder{ color:var(--ink-faint); }
.form-note{ font-size:.76rem; color:var(--ink-faint); text-align:center; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  position:relative; z-index:1;
  padding:44px 0 34px;
  border-top:1px solid var(--ink-hair);
}
.footer-inner{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:14px;
}
.footer-brand{ display:flex; align-items:baseline; gap:12px; flex-wrap:wrap; }
.brand-mark--footer{ font-family:var(--font-script); font-size:1.5rem; }
.footer-brand p{ font-size:.82rem; color:var(--ink-faint); }
.footer-address{ font-size:.82rem; color:var(--ink-faint); }
.footer-copy{ font-size:.78rem; color:var(--ink-faint); width:100%; text-align:center; margin-top:18px; padding-top:18px; border-top:1px solid var(--ink-hair); }

/* =========================================================
   Floating WhatsApp button
   ========================================================= */
.fab-whatsapp{
  position:fixed; right:24px; bottom:24px; z-index:150;
  width:58px; height:58px; border-radius:50%;
  background:linear-gradient(135deg, var(--gold-soft), var(--gold));
  color:var(--plum-950);
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 16px 32px -12px rgba(204,158,92,.7);
  animation:pulse 2.8s ease-in-out infinite;
  transition:transform .25s var(--ease);
}
.fab-whatsapp svg{ width:28px; height:28px; }
.fab-whatsapp:hover{ transform:scale(1.08); }
@keyframes pulse{
  0%,100%{ box-shadow:0 16px 32px -12px rgba(204,158,92,.7), 0 0 0 0 rgba(204,158,92,.45); }
  50%{ box-shadow:0 16px 32px -12px rgba(204,158,92,.7), 0 0 0 14px rgba(204,158,92,0); }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1000px){
  .hero-inner{ grid-template-columns:1fr; gap:44px; }
  .split-inner{ grid-template-columns:1fr; }
  .split-stat{ order:-1; }
  .contact-panel{ grid-template-columns:1fr; }
  .contact-form{ border-left:none; border-top:1px solid var(--card-border); }
  .plans{ grid-template-columns:1fr; max-width:460px; margin:0 auto; }
  .plan-card--featured{ transform:none; order:-1; }
  .plan-card--featured:hover{ transform:translateY(-8px); }
}

@media (max-width:760px){
  .main-nav{
    position:fixed; inset:0 0 0 auto; width:min(78vw,320px);
    background:linear-gradient(180deg, var(--plum-900), var(--plum-800));
    flex-direction:column; align-items:flex-start; gap:0;
    padding:100px 32px 32px;
    transform:translateX(100%);
    transition:transform .4s var(--ease);
    box-shadow:-20px 0 50px rgba(0,0,0,.4);
  }
  .main-nav.is-open{ transform:translateX(0); }
  .main-nav a{ width:100%; padding:14px 0; border-bottom:1px solid var(--ink-hair); font-size:1rem; }
  .nav-toggle{ display:flex; }
  .header-actions .btn-ghost{ display:none; }

  .hero{ padding:40px 0 80px; }
  .hero-card{ padding:28px 24px; }
  .module-list{ grid-template-columns:1fr; padding-left:28px; }
  .module-head{ padding:20px; gap:14px; }
  .module-num{ width:38px; font-size:1.25rem; }
  .contact-info, .contact-form{ padding:34px 26px; }
  .section{ padding:76px 0; }
}

@media (max-width:520px){
  .hero-actions{ flex-direction:column; align-items:stretch; }
  .hero-actions .btn{ width:100%; }
  .hero-stats{ gap:20px 24px; }
  .fee-chip{ width:100%; justify-content:space-between; }
}