/* ==============================
   DUCA – INGLÊS DE BOA
   style.css – Brand Design System
   Cores: #000000 · #8C999B · #E7E6E2 · #FAF9F7
   Fontes: Plus Jakarta Sans (≈ Neue Einstellung) + Caveat (≈ Bryndan Write)
   ============================== */

/* ===== CSS VARIABLES ===== */
:root {
  /* Brand Colors */
  --black:       #000000;
  --steel:       #8C999B;
  --steel-light: #B8C4C6;
  --steel-dark:  #6B7B7E;
  --gray-light:  #E7E6E2;
  --gray-xlight: #F0EFEC;
  --bg:          #FAF9F7;
  --white:       #FFFFFF;

  /* Semantic */
  --text-primary:   #000000;
  --text-secondary: #3A3A3A;
  --text-muted:     #8C999B;
  --text-light:     #ABABAB;
  --border:         #E7E6E2;
  --border-dark:    #CACAC6;

  /* Radius */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-full: 9999px;

  /* Shadows – very subtle, brand-appropriate */
  --shadow-xs:  0 1px 4px rgba(0,0,0,.06);
  --shadow-sm:  0 2px 12px rgba(0,0,0,.08);
  --shadow-md:  0 8px 32px rgba(0,0,0,.10);
  --shadow-lg:  0 20px 60px rgba(0,0,0,.12);

  /* Fonts */
  --font-head:  'Plus Jakarta Sans', sans-serif;
  --font-body:  'Plus Jakarta Sans', sans-serif;
  --font-hand:  'Caveat', cursive; /* ≈ Bryndan Write */

  /* Layout */
  --nav-h: 80px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg);
  line-height: 1.6;
  /* NÃO usar overflow-x:hidden no body — quebra position:fixed no iOS Safari */
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ===== UTILITIES ===== */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Texto em destaque com estilo manuscrito (Bryndan Write) */
.hand-text {
  font-family: var(--font-hand);
  font-size: 1.15em;
  color: var(--steel);
}

/* Sublinhado manuscrito */
.underline-hand {
  position: relative;
  display: inline-block;
}
.underline-hand::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: -4px;
  right: -4px;
  height: 10px;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 12' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 8 C40 4, 80 10, 120 6 C160 2, 190 8, 198 6' stroke='%238C999B' stroke-width='3' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") center/100% no-repeat;
  opacity: .7;
  z-index: -1;
}

/* ===== IPA DESIGN SYSTEM ===== */

/* Watermark IPA decorativa — fundo de cada seção */
.ipa-deco {
  position: absolute;
  font-family: var(--font-body);
  font-size: clamp(4rem, 10vw, 9rem);
  color: var(--steel);
  opacity: .045;
  font-weight: 700;
  letter-spacing: -.03em;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  line-height: 1;
  z-index: 0;
}
.ipa-deco-hero  { top: 12%;  right: -2%; }
.ipa-deco-sobre { bottom: 8%; left: -1%; }
.ipa-deco-metodo{ top: 8%;   right: -1%; }
.ipa-deco-dep   { bottom: 6%; left: -1%; }
.ipa-deco-faq   { top: 10%;  right: -1%; }

/* IPA tag inline — pronunciação ao lado de termos em inglês */
.ipa-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: .72em;
  color: var(--steel);
  font-weight: 400;
  letter-spacing: .03em;
  vertical-align: middle;
  margin-left: 5px;
  opacity: .75;
  font-style: normal;
}

/* Anotação IPA embaixo dos ícones do método */
.metodo-ipa {
  margin-top: 6px;
  font-size: .72rem;
  color: var(--steel);
  letter-spacing: .04em;
  opacity: .7;
  font-style: italic;
}
.metodo-card-featured .metodo-ipa { color: rgba(255,255,255,.45); }

/* ===== WORD SPOTLIGHT CARD (hero) ===== */
.card-word {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.word-label {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-light);
  font-weight: 600;
}
.word-en {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--black);
  letter-spacing: -.03em;
  line-height: 1;
}
.word-ipa {
  font-size: .85rem;
  color: var(--steel);
  letter-spacing: .04em;
  font-style: italic;
}
.word-pt {
  font-size: .78rem;
  color: var(--text-muted);
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid var(--black);
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  letter-spacing: .01em;
}
.btn-primary:hover {
  background: transparent;
  color: var(--black);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 2px solid var(--border-dark);
  transition: all var(--transition);
  letter-spacing: .01em;
}
.btn-ghost:hover {
  border-color: var(--black);
  color: var(--black);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  background: transparent;
  color: var(--black);
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid var(--black);
  transition: all var(--transition);
  width: 100%;
  letter-spacing: .01em;
}
.btn-outline:hover {
  background: var(--black);
  color: var(--white);
  transform: translateY(-2px);
}

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

/* ===== SECTION COMMON ===== */
.section-badge {
  display: inline-block;
  padding: 5px 14px;
  background: transparent;
  color: var(--steel);
  font-family: var(--font-hand);
  font-size: 1rem;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  letter-spacing: .02em;
}
.section-badge-white {
  color: rgba(255,255,255,.8);
  border-color: rgba(255,255,255,.3);
}
.section-header { text-align: center; margin-bottom: 64px; }
.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -.02em;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9999;
  /*
   * A navbar se estende ATR??S da barra de status (notch/Dynamic Island).
   * padding-top empurra o conte??do para ABAIXO da barra de status.
   * height total = altura ??til (nav-h) + altura da barra de status (env).
   */
  padding-top: env(safe-area-inset-top);
  height: calc(var(--nav-h) + env(safe-area-inset-top));
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,.07);
}
.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  /*
   * height:100% = altura do CONTE??DO do pai (excluindo padding).
   * = calc(nav-h + env) - env = nav-h.
   * O container fica exatamente abaixo da barra de status, com nav-h de altura.
   */
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo fiel ao Key Visual */
.nav-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1;
  text-decoration: none;
  gap: 1px;
}
.logo-duca {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--black);
  letter-spacing: -.04em;
  line-height: 1;
}
.logo-tagline {
  font-family: var(--font-hand);
  font-size: .85rem;
  color: var(--steel);
  letter-spacing: .02em;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--black);
  transition: width var(--transition);
}
.nav-link:hover { color: var(--black); }
.nav-link:hover::after { width: 100%; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 9px 22px;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid var(--black);
  transition: all var(--transition);
  letter-spacing: .01em;
}
.nav-cta:hover {
  background: transparent;
  color: var(--black);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100svh;
  background: var(--bg);
  padding: calc(var(--nav-h) + env(safe-area-inset-top) + 60px) 0 80px;
  overflow: hidden;
}

/* Textura/grid sutil de fundo */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: .35;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

/* Floating words – mais sutis, tom de marca */
.floating-words { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.fw {
  position: absolute;
  font-family: var(--font-hand);
  font-size: 1.5rem;
  color: var(--steel);
  opacity: .12;
  animation: fwFloat 7s ease-in-out infinite alternate;
  user-select: none;
}
.fw-1 { top: 15%; left: 4%; animation-delay: 0s; }
.fw-2 { top: 72%; left: 7%; animation-delay: 1.2s; }
.fw-3 { top: 22%; right: 5%; animation-delay: 2s; }
.fw-4 { top: 80%; right: 9%; animation-delay: .6s; }
.fw-5 { top: 48%; left: 2%; animation-delay: 3s; }
.fw-6 { bottom: 25%; right: 4%; animation-delay: 1.8s; }
@keyframes fwFloat {
  from { transform: translateY(0) rotate(-2deg); }
  to   { transform: translateY(-18px) rotate(2deg); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--gray-light);
  color: var(--steel-dark);
  font-family: var(--font-hand);
  font-size: 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 28px;
  animation: fadeInDown .6s ease both;
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(3rem, 5.5vw, 4.4rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--black);
  letter-spacing: -.03em;
  margin-bottom: 24px;
  animation: fadeInUp .6s .1s ease both;
}
.hero-title .hand-accent {
  font-family: var(--font-hand);
  font-size: .85em;
  font-weight: 400;
  color: var(--steel);
  display: block;
  letter-spacing: .01em;
  margin-top: 4px;
}
.hero-subtitle {
  font-size: 1.08rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 460px;
  animation: fadeInUp .6s .2s ease both;
}
.hero-subtitle strong { color: var(--black); font-weight: 600; }
.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeInUp .6s .3s ease both;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: fadeInUp .6s .4s ease both;
  background: var(--white);
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 28px;
  border-right: 1.5px solid var(--border);
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--black);
  letter-spacing: -.03em;
  line-height: 1;
}
.stat-label {
  font-size: .75rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
  white-space: nowrap;
}
/* remove old dividers – not needed */
.stat-divider { display: none; }

/* ===== HERO VISUAL (cards) ===== */
.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.hero-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  animation: fadeInRight .6s ease both;
}
.card-main {
  display: flex;
  align-items: center;
  gap: 16px;
  animation-delay: .2s;
}
.card-avatar {
  position: relative;
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}
.avatar-ring {
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px dashed var(--steel-light);
  animation: spin 8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.avatar-photo {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 15%;
  display: block;
}
.card-info .card-name { font-weight: 700; font-size: .9rem; }
.card-info .card-desc { font-size: .8rem; color: var(--text-muted); }
.card-badge-green {
  margin-left: auto;
  padding: 4px 12px;
  background: var(--gray-light);
  color: var(--steel-dark);
  font-size: .72rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-dark);
  white-space: nowrap;
}
.card-secondary {
  display: flex;
  align-items: center;
  gap: 14px;
  animation-delay: .35s;
}
.card-icon { font-size: 1.8rem; }
.card-label { font-size: .72rem; color: var(--text-muted); margin-bottom: 2px; }
.card-value { font-weight: 700; font-size: .9rem; }
.card-tertiary { animation-delay: .5s; }
.progress-label { font-size: .75rem; color: var(--text-muted); margin-bottom: 8px; }
.progress-bar-wrap {
  height: 6px;
  background: var(--gray-light);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}
.progress-bar-fill {
  height: 100%;
  background: var(--black);
  border-radius: 3px;
  width: 0%;
  transition: width 2s cubic-bezier(.4,0,.2,1);
}
.progress-pct { font-size: .8rem; font-weight: 700; color: var(--steel-dark); }

/* Hero scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-hand);
  font-size: .9rem;
  color: var(--text-muted);
  z-index: 2;
}
.scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--steel), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: .4; transform: scaleY(1); }
  50%       { opacity: 1;  transform: scaleY(1.1); }
}

/* ===== SOBRE ===== */
.sobre {
  padding: 120px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
}
.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.sobre-visual { position: relative; }
.sobre-img-wrap { position: relative; }
.sobre-img-bg {
  width: 100%;
  height: 420px;
  background: var(--gray-light);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--border);
  position: relative;
}
.sobre-img-card {
  position: absolute;
  inset: 40px;
  background: rgba(250,249,247,.95);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.sobre-emoji-big { font-size: 3rem; margin-bottom: 16px; }
.sobre-img-card h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -.02em;
}
.sobre-img-card p { color: var(--text-muted); font-size: .95rem; }
.sobre-tag {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  font-size: .82rem;
  font-weight: 600;
  border: 1.5px solid var(--border);
  animation: tagFloat 4s ease-in-out infinite alternate;
  font-family: var(--font-hand);
}
.sobre-tag-1 { bottom: -12px; left: -16px; animation-delay: 0s; }
.sobre-tag-2 { top: -12px; right: -16px; animation-delay: 2s; }
@keyframes tagFloat {
  from { transform: translateY(0); }
  to   { transform: translateY(-8px); }
}
.sobre-text {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 1rem;
}
.sobre-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 28px 0;
}
.sobre-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.sobre-list li:hover {
  border-color: var(--steel);
  box-shadow: var(--shadow-xs);
}
.list-icon {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: var(--gray-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.sobre-list strong { display: block; font-weight: 700; font-size: .9rem; margin-bottom: 2px; }
.sobre-list p { font-size: .85rem; color: var(--text-muted); margin: 0; }

/* ===== MÉTODO ===== */
.metodo {
  padding: 120px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.metodo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.metodo-card {
  position: relative;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  overflow: hidden;
}
.metodo-card:hover {
  border-color: var(--steel);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.metodo-card-featured {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}
.metodo-card-featured:hover {
  border-color: var(--steel-dark);
}
.metodo-card-featured h3 { color: var(--white); }
.metodo-card-featured p  { color: rgba(255,255,255,.65); }
.metodo-icon {
  font-size: 2rem;
  margin-bottom: 18px;
  display: block;
}
.metodo-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--black);
  letter-spacing: -.01em;
}
.metodo-card p {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.metodo-num {
  position: absolute;
  bottom: 16px;
  right: 20px;
  font-family: var(--font-hand);
  font-size: 3rem;
  opacity: .07;
  color: var(--black);
  line-height: 1;
}
.metodo-card-featured .metodo-num { color: var(--white); opacity: .15; }
.metodo-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 4px 12px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-full);
  font-size: .72rem;
  font-weight: 600;
  color: rgba(255,255,255,.8);
  font-family: var(--font-hand);
}

/* ===== MODALIDADES ===== */
.planos {
  padding: 120px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
}
.planos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.planos-grid-2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 720px;
  margin: 0 auto;
}
.plano-card {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  transition: all var(--transition);
}
.plano-card:hover {
  border-color: var(--steel);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.plano-destaque {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}
.plano-destaque:hover {
  border-color: var(--steel-dark);
  transform: translateY(-4px);
}
.plano-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 18px;
  background: var(--steel);
  color: var(--white);
  font-family: var(--font-hand);
  font-size: .9rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.plano-header { text-align: center; }
.plano-icon { font-size: 2.4rem; display: block; margin-bottom: 8px; }
.plano-header h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -.02em;
}
.plano-destaque .plano-header h3 { color: var(--white); }
.plano-header p { font-size: .88rem; color: var(--text-muted); }
.plano-destaque .plano-header p { color: rgba(255,255,255,.6); }
.plano-features { display: flex; flex-direction: column; gap: 10px; flex: 1; }
.plano-features li { display: flex; align-items: center; gap: 10px; font-size: .9rem; }
.feat-ok { color: var(--steel-dark); font-weight: 700; }
.feat-no { color: var(--border-dark); }
.plano-destaque .plano-features li { color: rgba(255,255,255,.85); }
.plano-destaque .feat-ok { color: var(--steel-light); }
.plano-destaque .feat-no { color: rgba(255,255,255,.25); }
.plano-destaque .btn-outline {
  border-color: rgba(255,255,255,.4);
  color: var(--white);
}
.plano-destaque .btn-outline:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--white);
}
.plano-destaque .btn-primary {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
.plano-destaque .btn-primary:hover {
  background: transparent;
  color: var(--white);
}
.planos-note {
  text-align: center;
  margin-top: 40px;
  color: var(--text-muted);
  font-family: var(--font-hand);
  font-size: 1.1rem;
}
.planos-note a { color: var(--black); font-weight: 600; text-decoration: underline; }

/* ===== DEPOIMENTOS ===== */
.depoimentos {
  padding: 120px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.dep-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.dep-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}
.dep-card:hover {
  border-color: var(--steel);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}
.dep-card-featured {
  background: var(--black);
  border-color: var(--black);
}
.dep-stars { font-size: .9rem; margin-bottom: 16px; letter-spacing: 2px; }
.dep-text {
  font-size: .97rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-style: italic;
}
.dep-card-featured .dep-text { color: rgba(255,255,255,.8); }
.dep-author { display: flex; align-items: center; gap: 12px; }
.dep-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--steel-dark);
  font-weight: 700;
  font-size: .82rem;
  flex-shrink: 0;
  border: 1px solid var(--border);
}
.dep-card-featured .dep-avatar {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.2);
  color: var(--white);
}
.dep-name { font-weight: 700; font-size: .9rem; }
.dep-card-featured .dep-name { color: var(--white); }
.dep-role { font-size: .78rem; color: var(--text-muted); }
.dep-card-featured .dep-role { color: rgba(255,255,255,.55); }

/* ===== FAQ ===== */
.faq {
  padding: 120px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
}
.faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.faq-item {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.faq-item:last-child { border-bottom: none; }
.faq-item.open { background: var(--bg); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-head);
  font-size: .97rem;
  font-weight: 600;
  color: var(--black);
  cursor: pointer;
  transition: background var(--transition);
  gap: 16px;
}
.faq-question:hover { background: var(--bg); }
.faq-icon {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--steel);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.4,0,.2,1);
}
.faq-answer p {
  padding: 0 24px 20px;
  color: var(--text-muted);
  line-height: 1.75;
  font-size: .95rem;
}

/* ===== CONTATO ===== */
.contato {
  position: relative;
  padding: 120px 0;
  background: var(--black);
  overflow: hidden;
}
/* Textura de fundo no contato */
.contato::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.contato-bg-blobs { display: none; } /* removido – não é da marca */
.contato-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contato-title { color: var(--white); }
.contato-title .hand-text { color: var(--steel-light); }
.contato-subtitle { color: rgba(255,255,255,.6); font-size: 1rem; margin-bottom: 40px; }
.contato-info { display: flex; flex-direction: column; gap: 12px; }
/* ===== MINIMAL CONTACT LINKS ===== */
.contato-links-minimal { display: flex; flex-direction: column; }
.contato-link-min {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  color: var(--white);
  text-decoration: none;
  transition: all var(--transition);
}
.contato-link-min:first-child { border-top: 1px solid rgba(255,255,255,.08); }
.contato-link-min:hover { transform: translateX(6px); opacity: .75; }
.link-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: rgba(255,255,255,.55);
}
.link-info { display: flex; flex-direction: column; gap: 2px; }
.link-label {
  font-size: .65rem;
  color: rgba(255,255,255,.4);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 600;
}
.link-value {
  font-size: .97rem;
  font-weight: 500;
  color: var(--white);
}
.contato-form-wrap {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  box-shadow: 0 24px 80px rgba(0,0,0,.4);
}
.contato-form h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 28px;
  color: var(--black);
  letter-spacing: -.02em;
}
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--text-secondary); letter-spacing: .02em; }
.form-group input,
.form-group select {
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--black);
  background: var(--bg);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(140,153,155,.12);
}
.form-group input.error { border-color: #CC4444; }
.form-note {
  text-align: center;
  font-size: .8rem;
  color: var(--text-light);
  margin-top: 10px;
  font-family: var(--font-hand);
}

/* ===== FOOTER ===== */
.footer {
  background: #0A0A0A;
  color: rgba(255,255,255,.55);
  padding: 72px 0 32px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-brand .nav-logo { color: var(--white); margin-bottom: 12px; }
.footer-brand .logo-duca { color: var(--white); }
.footer-brand .logo-tagline { color: var(--steel); }
.footer-tagline { font-size: .88rem; color: rgba(255,255,255,.4); margin: 12px 0 24px; }
.footer-social { display: flex; gap: 10px; }
.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: all var(--transition);
}
.social-btn:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.2);
  transform: translateY(-2px);
}
.footer-links-col h4 {
  font-family: var(--font-head);
  font-size: .78rem;
  font-weight: 700;
  color: rgba(255,255,255,.85);
  margin-bottom: 18px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.footer-links-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links-col a {
  font-size: .88rem;
  color: rgba(255,255,255,.45);
  transition: color var(--transition);
}
.footer-links-col a:hover { color: var(--white); }
.footer-newsletter h4 {
  font-family: var(--font-head);
  font-size: .78rem;
  font-weight: 700;
  color: rgba(255,255,255,.85);
  margin-bottom: 8px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.footer-newsletter p { font-size: .85rem; color: rgba(255,255,255,.4); margin-bottom: 16px; }
.newsletter-form { display: flex; gap: 8px; }
.newsletter-form input {
  flex: 1;
  padding: 10px 14px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  color: var(--white);
  font-size: .88rem;
  outline: none;
  font-family: var(--font-body);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,.3); }
.newsletter-form input:focus { border-color: var(--steel); }
.newsletter-form button {
  padding: 10px 16px;
  background: var(--steel);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: .85rem;
  transition: opacity var(--transition);
  white-space: nowrap;
}
.newsletter-form button:hover { opacity: .85; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .8rem;
  color: rgba(255,255,255,.28);
}
.footer-bottom a { color: rgba(255,255,255,.4); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--white); }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  padding: 14px 22px;
  background: var(--black);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: .92rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,.1);
  transform: translateY(100px);
  opacity: 0;
  transition: all .4s cubic-bezier(.4,0,.2,1);
  z-index: 9999;
  pointer-events: none;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.revealed { opacity: 1; transform: none; }
.reveal-left { opacity: 0; transform: translateX(-24px); transition: opacity .6s ease, transform .6s ease; }
.reveal-left.revealed { opacity: 1; transform: none; }
.reveal-right { opacity: 0; transform: translateX(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal-right.revealed { opacity: 1; transform: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 12px; }
  .hero-card { flex: 1; min-width: 200px; max-width: 340px; }
  .hero-scroll-hint { display: none; }
  .sobre-grid { grid-template-columns: 1fr; gap: 48px; }
  .sobre-visual { order: -1; max-width: 480px; margin: 0 auto; }
  .metodo-grid { grid-template-columns: repeat(2, 1fr); }
  .planos-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .planos-grid-2 { grid-template-columns: repeat(2,1fr); max-width: 640px; margin: 0 auto; }
  .dep-grid { grid-template-columns: 1fr; }
  .contato-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .ipa-deco { font-size: clamp(3rem, 8vw, 6rem); }
}


@media (max-width: 768px) {
  /* ----- Navbar (handled in base CSS now) ----- */
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(250,249,247,.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 20px 24px 28px;
    gap: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform var(--transition);
    z-index: 998;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link {
    font-size: 1rem;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    width: 100%;
    color: var(--text-secondary);
  }
  .nav-link:last-of-type { border-bottom: none; }
  .nav-cta {
    margin-top: 12px;
    width: 100%;
    justify-content: center;
    padding: 12px 22px;
    font-size: .9rem;
  }
  .hamburger { display: flex; }

  /* ----- Global section padding ----- */
  .sobre, .metodo, .planos, .depoimentos, .faq, .contato { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }
  .section-title { font-size: clamp(1.7rem, 6vw, 2.1rem); }
  .section-subtitle { font-size: .95rem; }

  /* ----- Hero ----- */
  .hero {
    min-height: auto;
    padding: calc(var(--nav-h) + 32px) 0 56px;
  }
  .hero-inner { gap: 32px; }
  .hero-badge { font-size: .9rem; }
  .hero-title { font-size: clamp(2rem, 8vw, 2.6rem); }
  .hero-subtitle { font-size: .95rem; margin-bottom: 28px; }
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 10px;
    margin-bottom: 36px;
  }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; padding: 13px 24px; }

  /* Hero cards — coluna única, contidos */
  .hero-visual { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-card { flex: none; min-width: unset; max-width: 100%; padding: 14px 18px; }

  /* Stats — linha horizontal compacta */
  .hero-stats { display: flex; flex-direction: row; }
  .stat { flex: 1; padding: 12px 8px; border-right: 1.5px solid var(--border); border-bottom: none; }
  .stat:last-child { border-right: none; }
  .stat-num { font-size: 1.2rem; }
  .stat-label { font-size: .6rem; white-space: normal; text-align: center; }

  /* ----- Sobre ----- */
  .sobre-grid { gap: 32px; }
  /* Card "Flua no inglês" — layout móvel: card simples em bloco */
  .sobre-img-wrap { display: flex; flex-direction: column; gap: 0; }
  .sobre-img-bg { display: none; } /* esconde o fundo cinza vazio */
  .sobre-img-card {
    position: static;         /* remove o absolute que quebrava */
    inset: auto;
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    border: 1.5px solid var(--border);
    background: var(--white);
    backdrop-filter: none;
    box-shadow: var(--shadow-sm);
    height: auto;
  }
  .sobre-emoji-big { margin-bottom: 12px; }
  .sobre-tag { display: none; }
  .sobre-list li { padding: 12px; }
  .sobre-list strong { font-size: .85rem; }

  /* ----- Método ----- */
  .metodo-grid { grid-template-columns: 1fr; gap: 12px; }
  .metodo-card { padding: 24px 20px; }
  .metodo-icon svg { width: 22px; height: 22px; }

  /* ----- Modalidades ----- */
  .planos-grid-2 { grid-template-columns: 1fr; max-width: 100%; gap: 32px; }
  .plano-card { padding: 32px 24px; }

  /* ----- Depoimentos ----- */
  .dep-grid { grid-template-columns: 1fr; }
  .dep-card { padding: 24px 20px; }

  /* ----- FAQ ----- */
  .faq-list { max-width: 100%; }
  .faq-question { font-size: .88rem; padding: 16px 18px; }
  .faq-answer p { font-size: .9rem; padding: 0 18px 16px; }

  /* ----- Contato ----- */
  .contato-grid { grid-template-columns: 1fr; gap: 40px; }
  .contato-form-wrap { padding: 28px 20px; border-radius: var(--radius-lg); }
  .contato-title { font-size: 1.9rem !important; }
  .contato-subtitle { font-size: .92rem; }

  /* ----- Footer ----- */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .newsletter-form { flex-direction: column; gap: 10px; }
  .newsletter-form input { width: 100%; border-radius: var(--radius-md); }
  .newsletter-form button { width: 100%; border-radius: var(--radius-md); }

  /* ----- IPA — hidden on mobile to prevent overflow ----- */
  .ipa-deco { display: none; }

  /* ----- Word card hero ----- */
  .word-en { font-size: 1.25rem; }
}

@media (max-width: 480px) {
  :root { --nav-h: 68px; }
  .container { padding: 0 16px; }

  /* Hero */
  .hero { padding: calc(var(--nav-h) + 24px) 0 48px; }
  .hero-title { font-size: clamp(1.75rem, 8.5vw, 2.2rem); letter-spacing: -.025em; }
  .hero-subtitle { font-size: .88rem; }
  .hero-badge { font-size: .82rem; padding: 5px 13px; }
  .hero-card { padding: 12px 14px; }
  .hero-card.card-word .word-en { font-size: 1.1rem; }
  .hero-card.card-word .word-ipa { font-size: .78rem; }

  /* Stats — coluna em telas muito pequenas */
  .hero-stats { flex-direction: column; }
  .stat {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-right: none;
    border-bottom: 1.5px solid var(--border);
    gap: 8px;
  }
  .stat:last-child { border-bottom: none; }
  .stat-num { font-size: 1.1rem; }
  .stat-label { font-size: .7rem; text-align: right; }
  /* Sections */
  .sobre, .metodo, .planos, .depoimentos, .faq, .contato { padding: 52px 0; }
  .section-title { font-size: clamp(1.55rem, 7vw, 1.9rem); }
  .section-header { margin-bottom: 32px; }

  /* Sobre */
  .sobre-img-bg { height: 220px; }
  .sobre-img-card { inset: 16px; padding: 16px; }
  .sobre-emoji-big svg { width: 36px; height: 36px; }
  .sobre-img-card h3 { font-size: 1.1rem; }
  .sobre-list { gap: 10px; }
  .sobre-list li { padding: 10px 12px; gap: 10px; }
  .list-icon { width: 32px; height: 32px; }

  /* Método */
  .metodo-card { padding: 18px 16px; }
  .metodo-card h3 { font-size: .95rem; }
  .metodo-card p { font-size: .83rem; }

  /* Planos */
  .plano-card { padding: 28px 18px; }
  .plano-header h3 { font-size: 1.1rem; }

  /* Depoimentos */
  .dep-card { padding: 20px 16px; }
  .dep-text { font-size: .88rem; }

  /* FAQ */
  .faq-question { font-size: .82rem; padding: 14px 16px; }
  .faq-answer p { font-size: .85rem; padding: 0 16px 14px; }
  .faq-icon { font-size: 1.1rem; }

  /* Contato */
  .contato-form-wrap { padding: 22px 16px; }
  .contato-title { font-size: 1.65rem !important; }
  .contato-link-min { gap: 12px; padding: 15px 0; }
  .link-value { font-size: .88rem; }

  /* Botões */
  .btn-primary, .btn-ghost, .btn-outline {
    font-size: .88rem;
    padding: 12px 20px;
  }

  /* Footer */
  .footer-brand .nav-logo .logo-duca { font-size: 1.4rem; }
  .footer-links-col h4 { font-size: .85rem; }
}