/* ========================================
   CurtirSão — Stylesheet
   ======================================== */

/* --- Tokens --- */
:root {
  --color-coral: #FF6B4A;
  --color-coral-dark: #E85A3A;
  --color-night: #1A1A2E;
  --color-white: #FAFAF8;
  --color-golden: #FFB347;
  --color-ocean: #4ECDC4;
  --color-lavender: #B8A9C9;
  --color-gray: #6B6B7B;
  --color-light-gray: #E8E8EC;
  --gradient-sunrise: linear-gradient(135deg, #FF6B4A, #FFB347);
  --gradient-twilight: linear-gradient(135deg, #1A1A2E 0%, #2D2D4A 100%);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font: 400 16px/1.6 var(--font);
  color: var(--color-night);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button, input { font: inherit; border: none; outline: none; }
em { font-family: var(--font-display); font-style: italic; color: var(--color-coral); }

/* --- Layout --- */
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section--alt { background: #F4F4F6; }
.section__tag {
  font: 600 14px/1 var(--font);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-coral);
  margin-bottom: 12px;
}
.section__title {
  font: 800 42px/1.2 var(--font);
  letter-spacing: -0.02em;
  max-width: 700px;
  margin-bottom: 48px;
}
.section__note {
  margin-top: 32px;
  font: 500 15px/1.6 var(--font);
  color: var(--color-gray);
  text-align: center;
}
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

/* --- Nav --- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(250,250,248,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.nav--scrolled { border-bottom-color: var(--color-light-gray); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav__logo {
  font: 800 24px/1 var(--font);
  letter-spacing: -0.03em;
  color: var(--color-night);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav__logo-icon { width: 32px; height: 32px; flex-shrink: 0; }
.nav__logo span { color: var(--color-coral); }
.nav__links { display: flex; align-items: center; gap: 32px; }
.nav__links a { font: 500 15px/1 var(--font); transition: color var(--transition); }
.nav__links a:hover { color: var(--color-coral); }
.nav__toggle { display: none; background: none; cursor: pointer; width: 28px; height: 20px; position: relative; }
.nav__toggle span {
  display: block; width: 100%; height: 2px; background: var(--color-night);
  position: absolute; left: 0; transition: var(--transition);
}
.nav__toggle span:nth-child(1) { top: 0; }
.nav__toggle span:nth-child(2) { top: 9px; }
.nav__toggle span:nth-child(3) { top: 18px; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: 600 15px/1 var(--font);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  padding: 12px 24px;
}
.btn--primary {
  background: var(--color-coral); color: #fff;
  box-shadow: 0 4px 16px rgba(255,107,74,0.3);
}
.btn--primary:hover { background: var(--color-coral-dark); transform: translateY(-1px); box-shadow: 0 6px 24px rgba(255,107,74,0.4); }
.btn--ghost { background: transparent; color: var(--color-night); border: 1.5px solid var(--color-light-gray); }
.btn--ghost:hover { border-color: var(--color-coral); color: var(--color-coral); }
.btn--sm { padding: 8px 20px; font-size: 14px; }
.btn--lg { padding: 16px 32px; font-size: 16px; }
.btn--full { width: 100%; }

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-twilight);
  color: #fff;
  padding-top: 72px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 20%, rgba(255,107,74,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 30% 80%, rgba(78,205,196,0.1) 0%, transparent 50%);
}
.hero__inner { position: relative; z-index: 1; max-width: 720px; padding: 60px 0 120px; }
.hero__tag {
  font: 500 14px/1 var(--font);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-golden);
  margin-bottom: 20px;
}
.hero__title {
  font: 800 56px/1.1 var(--font);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero__em { color: var(--color-coral); }
.hero__sub {
  font: 400 20px/1.6 var(--font);
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
  max-width: 540px;
}
.hero__actions { display: flex; gap: 16px; margin-bottom: 48px; flex-wrap: wrap; }
.hero__actions .btn--ghost { color: #fff; border-color: rgba(255,255,255,0.3); }
.hero__actions .btn--ghost:hover { border-color: #fff; color: #fff; }
.hero__proof { display: flex; gap: 40px; }
.hero__stat { display: flex; flex-direction: column; }
.hero__stat strong { font: 800 32px/1 var(--font); color: var(--color-coral); }
.hero__stat span { font: 500 13px/1.4 var(--font); color: rgba(255,255,255,0.6); margin-top: 4px; }
.hero__wave { position: absolute; bottom: -1px; left: 0; right: 0; line-height: 0; }
.hero__wave svg { width: 100%; height: 80px; }

/* --- Cards --- */
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card__icon { font-size: 36px; margin-bottom: 16px; }
.card__title { font: 700 20px/1.3 var(--font); margin-bottom: 10px; }
.card__text { font: 400 15px/1.6 var(--font); color: var(--color-gray); }

/* --- Checklist --- */
.checklist { display: flex; flex-direction: column; gap: 16px; }
.checklist__item {
  font: 500 16px/1.5 var(--font);
  padding-left: 32px;
  position: relative;
}
.checklist__item::before {
  content: '✓';
  position: absolute; left: 0; top: 0;
  font-weight: 800;
  color: var(--color-coral);
}

/* --- Event Cards --- */
.event-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--color-coral);
  transition: transform var(--transition);
}
.event-card:hover { transform: translateY(-3px); }
.event-card__badge { font-size: 28px; margin-bottom: 12px; }
.event-card__title { font: 700 22px/1.3 var(--font); margin-bottom: 8px; }
.event-card__desc { font: 400 15px/1.6 var(--font); color: var(--color-gray); margin-bottom: 12px; }
.event-card__freq {
  display: inline-block;
  font: 600 12px/1 var(--font);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ocean);
  background: rgba(78,205,196,0.1);
  padding: 6px 12px;
  border-radius: 20px;
}

/* --- Manifesto --- */
.manifesto {
  background: var(--gradient-twilight);
  color: #fff;
  padding: 100px 0;
  text-align: center;
}
.manifesto__text {
  max-width: 680px;
  margin: 0 auto;
  font: 400 20px/1.8 var(--font);
  color: rgba(255,255,255,0.8);
}
.manifesto__text p { margin-bottom: 8px; }
.manifesto__highlight {
  font: italic 700 28px/1.4 var(--font-display);
  color: var(--color-coral);
  margin: 24px 0;
}
.manifesto__footer {
  margin-top: 32px;
  font: 600 16px/1 var(--font);
  color: var(--color-golden);
}

/* --- Stat Cards --- */
.stat-card {
  text-align: center;
  padding: 36px 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.stat-card__icon { font-size: 40px; margin-bottom: 16px; }
.stat-card__label { font: 700 20px/1.3 var(--font); margin-bottom: 8px; }
.stat-card__desc { font: 400 15px/1.6 var(--font); color: var(--color-gray); }

/* --- CTA --- */
.cta {
  padding: 100px 0;
  background: var(--gradient-sunrise);
  text-align: center;
  color: #fff;
}
.cta__inner { max-width: 520px; margin: 0 auto; }
.cta__title { font: 800 40px/1.2 var(--font); letter-spacing: -0.02em; margin-bottom: 12px; }
.cta__sub { font: 400 18px/1.6 var(--font); opacity: 0.9; margin-bottom: 32px; }
.cta__form { display: flex; flex-direction: column; gap: 12px; }
.input {
  width: 100%;
  padding: 16px 20px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.2);
  color: #fff;
  font: 400 16px/1 var(--font);
  border: 1.5px solid rgba(255,255,255,0.3);
  transition: var(--transition);
}
.input::placeholder { color: rgba(255,255,255,0.7); }
.input:focus { background: rgba(255,255,255,0.3); border-color: #fff; }
.cta__note { margin-top: 16px; font: 400 13px/1.4 var(--font); opacity: 0.7; }
.cta__success { margin-top: 24px; }
.cta__success-icon { font-size: 48px; margin-bottom: 12px; }
.cta__success h3 { font: 700 24px/1.3 var(--font); margin-bottom: 8px; }

/* --- FAQ --- */
.faq-list { max-width: 700px; display: flex; flex-direction: column; gap: 12px; }
.faq {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq__q {
  font: 600 16px/1.5 var(--font);
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.faq__q::after { content: '+'; font-size: 22px; color: var(--color-coral); transition: transform var(--transition); }
.faq[open] .faq__q::after { transform: rotate(45deg); }
.faq__a { padding: 0 24px 20px; font: 400 15px/1.7 var(--font); color: var(--color-gray); }

/* --- Footer --- */
.footer { background: var(--color-night); color: rgba(255,255,255,0.7); padding: 64px 0 0; }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer__brand .nav__logo { color: #fff; margin-bottom: 12px; display: inline-block; }
.footer__tagline { font: 400 15px/1.6 var(--font); }
.footer__links h4 { font: 600 14px/1 var(--font); color: #fff; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 16px; }
.footer__links a { display: block; font: 400 15px/1 var(--font); margin-bottom: 12px; transition: color var(--transition); }
.footer__links a:hover { color: var(--color-coral); }
.footer__bottom { padding: 24px 0; font: 400 14px/1 var(--font); }

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* --- Responsive --- */
@media (max-width: 900px) {
  .grid--3 { grid-template-columns: 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .hero__title { font-size: 36px; }
  .hero__sub { font-size: 17px; }
  .hero__proof { gap: 24px; }
  .hero__stat strong { font-size: 24px; }
  .section { padding: 64px 0; }
  .section__title { font-size: 30px; margin-bottom: 32px; }
  .manifesto__highlight { font-size: 22px; }
  .cta__title { font-size: 30px; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .nav__links { 
    display: none;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    box-shadow: var(--shadow-lg);
  }
  .nav__links.open { display: flex; }
  .nav__toggle { display: block; }
}