/*
Theme Name: KOMOREBI — 木漏れ日
Theme URI: https://komorebi.app
Author: KOMOREBI Team
Description: Tema oficial da plataforma KOMOREBI — Aprendizado prático da língua japonesa com IA. 日本とつながる言葉.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
License: GNU General Public License v2 or later
Text Domain: komorebi
Tags: landing-page, one-page, japanese, education, minimal
*/

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  --color-white: #FAFAF8;
  --color-black: #1C1C1C;
  --color-red: #C41E3A;
  --color-red-dark: #8C0000;
  --color-red-light: #FAEAEC;
  --color-bg: #FAFAF8;
  --color-bg-alt: #F5F3EF;
  --color-border: #E0DDD7;
  --color-text: #1C1C1C;
  --color-text-secondary: #6B6867;
  --color-text-light: #A09E99;
  --font-serif: 'Noto Serif JP', 'Georgia', serif;
  --font-sans: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
  --section-padding: 100px 0;
  --container-width: 1200px;
  --container-padding: 0 40px;
  --transition: all 0.3s ease;
  --transition-slow: all 0.6s ease;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.02em;
}
.section-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-red);
  display: block;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-black);
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}
.section { padding: var(--section-padding); }
.section--alt { background-color: var(--color-bg-alt); }

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background-color: var(--color-red);
  color: white;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border: 2px solid var(--color-red);
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary:hover { background-color: var(--color-red-dark); border-color: var(--color-red-dark); color: white; }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background-color: transparent;
  color: var(--color-black);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border: 2px solid var(--color-black);
  cursor: pointer;
  transition: var(--transition);
}
.btn-secondary:hover { background-color: var(--color-black); color: var(--color-white); }

/* ============================================
   NAVIGATION
   ============================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition-slow);
}
.site-header.scrolled {
  background-color: rgba(250, 250, 248, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--color-border);
}
.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}
.site-header.scrolled .nav-container { padding: 16px 40px; }
.nav-logo { display: flex; align-items: center; gap: 12px; }
.logo-kanji {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: 0.1em;
}
.site-header:not(.scrolled) .logo-kanji,
.site-header:not(.scrolled) .logo-text { color: white; }
.nav-menu { display: flex; align-items: center; gap: 36px; }
.nav-menu li a {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  transition: var(--transition);
}
.site-header:not(.scrolled) .nav-menu li a { color: rgba(255,255,255,0.8); }
.nav-menu li a:hover { color: var(--color-red); }
.nav-menu li a.nav-cta {
  padding: 10px 24px;
  border: 1px solid var(--color-red);
  color: var(--color-red);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}
.site-header:not(.scrolled) .nav-menu li a.nav-cta { border-color: white; color: white; }
.nav-menu li a.nav-cta:hover { background-color: var(--color-red); color: white; border-color: var(--color-red); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: var(--color-black);
  transition: var(--transition);
}
.site-header:not(.scrolled) .nav-toggle span { background-color: white; }

/* ============================================
   LOGO IMAGEM (custom_logo WordPress)
   Trocar: Painel → Personalizar → Identidade do Site → Logotipo
   ============================================ */
.nav-logo--image {
    display: flex;
    align-items: center;
}
.nav-logo--image .custom-logo-link {
    display: flex;
    align-items: center;
    line-height: 0;
}
.nav-logo--image .custom-logo {
    height: 44px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    display: block;
    transition: var(--transition);
}
/* Header sobre hero (fundo escuro): logo fica branca */
.site-header:not(.scrolled) .nav-logo--image .custom-logo {
    filter: brightness(0) invert(1);
}
/* Header branco (após scroll): logo cor original */
.site-header.scrolled .nav-logo--image .custom-logo {
    filter: none;
}
/* Footer (fundo escuro): logo branca */
.footer-logo .custom-logo {
    height: 40px;
    width: auto;
    max-width: 180px;
    filter: brightness(0) invert(1);
    opacity: 0.8;
    transition: var(--transition);
}
.footer-logo .custom-logo:hover { opacity: 1; }

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-black);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(28,28,28,0.97) 0%, rgba(28,28,28,0.85) 50%, rgba(196,30,58,0.15) 100%);
  z-index: 1;
}
.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(196,30,58,0.08) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(196,30,58,0.05) 0%, transparent 40%);
}
.hero-kanji-bg {
  position: absolute;
  right: -40px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-serif);
  font-size: clamp(180px, 28vw, 380px);
  color: rgba(255,255,255,0.025);
  line-height: 1;
  z-index: 1;
  pointer-events: none;
  white-space: nowrap;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
  padding-top: 120px;
  padding-bottom: 80px;
}
.hero-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 24px;
  padding: 6px 0;
  border-top: 1px solid var(--color-red);
  border-bottom: 1px solid var(--color-red);
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 300;
  color: white;
  letter-spacing: 0.15em;
  line-height: 1.1;
  margin-bottom: 8px;
}
.hero-title-kanji {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  font-weight: 300;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.3em;
  margin-bottom: 32px;
}
.hero-slogan {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  font-weight: 300;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
  font-style: italic;
}
.hero-slogan-pt {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.35);
  margin-bottom: 40px;
  letter-spacing: 0.05em;
}
.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.6);
  max-width: 520px;
  line-height: 1.8;
  margin-bottom: 48px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-actions .btn-secondary {
  border-color: rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.7);
}
.hero-actions .btn-secondary:hover {
  border-color: white;
  background-color: rgba(255,255,255,0.1);
  color: white;
}
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.25);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  animation: scrollBounce 2.5s ease-in-out infinite;
}
.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.25), transparent);
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   ABOUT
   ============================================ */
.about { padding: 120px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual { display: flex; flex-direction: column; align-items: flex-end; }
.about-big-kanji {
  font-family: var(--font-serif);
  font-size: clamp(4rem, 9vw, 7.5rem);
  color: var(--color-border);
  line-height: 1.15;
  letter-spacing: 0.1em;
  text-align: right;
}
.about-quote {
  margin-top: 28px;
  padding: 24px;
  border-left: 3px solid var(--color-red);
  background-color: var(--color-bg-alt);
  max-width: 360px;
}
.about-quote p {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-text-secondary);
  font-style: italic;
  line-height: 1.7;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 64px;
  background-color: var(--color-border);
}
.stat-item {
  padding: 32px 24px;
  background-color: var(--color-bg);
  border-top: 2px solid transparent;
  transition: var(--transition);
}
.stat-item:hover { border-top-color: var(--color-red); background-color: var(--color-bg-alt); }
.stat-number {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--color-red);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: 0.875rem; color: var(--color-text-secondary); line-height: 1.4; }

/* ============================================
   PROBLEM
   ============================================ */
.problem {
  padding: 120px 0;
  background-color: var(--color-black);
  color: white;
  position: relative;
  overflow: hidden;
}
.problem::before {
  content: '問題';
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-serif);
  font-size: 18rem;
  color: rgba(255,255,255,0.018);
  line-height: 1;
  pointer-events: none;
}
.problem .section-label { color: var(--color-red); }
.problem .section-title { color: white; }
.problem .section-subtitle { color: rgba(255,255,255,0.55); }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 64px;
  background-color: rgba(255,255,255,0.07);
}
.problem-card {
  padding: 44px 32px;
  background-color: var(--color-black);
  transition: var(--transition);
  position: relative;
}
.problem-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background-color: transparent;
  transition: var(--transition);
}
.problem-card:hover { background-color: #242424; }
.problem-card:hover::before { background-color: var(--color-red); }
.problem-icon { font-size: 2rem; margin-bottom: 18px; display: block; }
.problem-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: white;
  margin-bottom: 16px;
  line-height: 1.4;
}
.problem-list li {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.45);
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: 8px;
}
.problem-list li::before {
  content: '—';
  color: var(--color-red);
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* ============================================
   SOLUTION
   ============================================ */
.solution { padding: 120px 0; }
.solution-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.solution-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.feature-card {
  padding: 32px;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background-color: var(--color-red);
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}
.feature-card:hover { border-color: var(--color-red); box-shadow: 0 8px 40px rgba(196,30,58,0.07); }
.feature-card:hover::after { transform: scaleX(1); }
.feature-icon { font-size: 1.8rem; margin-bottom: 14px; }
.feature-title { font-family: var(--font-serif); font-size: 1rem; color: var(--color-black); margin-bottom: 10px; }
.feature-desc { font-size: 0.875rem; color: var(--color-text-secondary); line-height: 1.7; }

/* ============================================
   SCENARIOS
   ============================================ */
.scenarios { padding: 120px 0; background-color: var(--color-bg-alt); }
.scenarios-header { text-align: center; margin-bottom: 64px; }
.scenarios-header .section-subtitle { margin: 0 auto; }
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.scenario-card {
  padding: 32px 16px;
  background-color: white;
  border: 1px solid var(--color-border);
  text-align: center;
  transition: var(--transition);
}
.scenario-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-red);
  box-shadow: 0 12px 40px rgba(0,0,0,0.07);
}
.scenario-icon { font-size: 2.2rem; margin-bottom: 14px; display: block; }
.scenario-name { font-family: var(--font-serif); font-size: 0.875rem; color: var(--color-text); line-height: 1.4; margin-bottom: 5px; }
.scenario-jp { font-size: 0.75rem; color: var(--color-text-light); letter-spacing: 0.05em; }

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works { padding: 120px 0; }
.how-header { text-align: center; margin-bottom: 80px; }
.how-header .section-subtitle { margin: 0 auto; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(16.66% + 20px);
  right: calc(16.66% + 20px);
  height: 1px;
  background: linear-gradient(to right, var(--color-red), var(--color-border), var(--color-red));
}
.step { padding: 0 40px; text-align: center; }
.step-number {
  width: 80px;
  height: 80px;
  border: 2px solid var(--color-red);
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 32px;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-red);
  position: relative;
  z-index: 1;
}
.step-title { font-family: var(--font-serif); font-size: 1.15rem; color: var(--color-black); margin-bottom: 14px; }
.step-desc { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.7; }

/* ============================================
   DIFERENCIAIS
   ============================================ */
.diferenciais { padding: 120px 0; background-color: var(--color-black); }
.diferenciais .section-label { color: var(--color-red); }
.diferenciais .section-title { color: white; }
.diferenciais-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 64px;
}
.diferencial-card {
  padding: 40px;
  border: 1px solid rgba(255,255,255,0.09);
  transition: var(--transition);
}
.diferencial-card:hover { border-color: var(--color-red); background-color: rgba(196,30,58,0.04); }
.diferencial-icon { font-size: 2.2rem; margin-bottom: 18px; display: block; }
.diferencial-title { font-family: var(--font-serif); font-size: 1.1rem; color: white; margin-bottom: 12px; }
.diferencial-desc { font-size: 0.875rem; color: rgba(255,255,255,0.5); line-height: 1.7; }

/* ============================================
   PÚBLICO-ALVO
   ============================================ */
.publico { padding: 120px 0; }
.publico-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 64px;
}
.publico-card { padding: 48px; border: 1px solid var(--color-border); }
.publico-card--primary { border-color: var(--color-red); }
.publico-card--primary .publico-badge { background-color: var(--color-red); color: white; }
.publico-badge {
  display: inline-block;
  padding: 4px 14px;
  background-color: var(--color-bg-alt);
  color: var(--color-text-secondary);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.publico-card h3 { font-family: var(--font-serif); font-size: 1.4rem; margin-bottom: 24px; }
.publico-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}
.publico-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--color-red);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================
   IMPACTO SOCIAL
   ============================================ */
.impacto { padding: 120px 0; background-color: var(--color-bg-alt); }
.impacto-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 64px;
  background-color: var(--color-border);
}
.impacto-area { padding: 48px 28px; background-color: var(--color-bg-alt); transition: var(--transition); }
.impacto-area:hover { background-color: white; }
.impacto-icon { font-size: 2.2rem; margin-bottom: 18px; display: block; }
.impacto-title { font-family: var(--font-serif); font-size: 1.05rem; color: var(--color-black); margin-bottom: 16px; }
.impacto-list li {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  padding: 5px 0;
  display: flex;
  gap: 8px;
  align-items: flex-start;
  border-bottom: 1px solid var(--color-border);
}
.impacto-list li::before { content: '✦'; color: var(--color-red); font-size: 0.55rem; margin-top: 6px; flex-shrink: 0; }

/* ============================================
   FASES / ROADMAP
   ============================================ */
.fases { padding: 120px 0; }
.fases-header { margin-bottom: 80px; }
.fases-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.fases-timeline::before {
  content: '';
  position: absolute;
  top: 22px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(to right, var(--color-red), var(--color-border));
}
.fase { padding: 0 20px; padding-top: 56px; position: relative; }
.fase::before {
  content: '';
  position: absolute;
  top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 18px; height: 18px;
  border-radius: 50%;
  background-color: var(--color-border);
  border: 3px solid white;
  box-shadow: 0 0 0 2px var(--color-border);
  z-index: 1;
  transition: var(--transition);
}
.fase:first-child::before { background-color: var(--color-red); box-shadow: 0 0 0 2px var(--color-red); }
.fase:hover::before { background-color: var(--color-red); box-shadow: 0 0 0 2px var(--color-red); }
.fase-number { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-red); margin-bottom: 8px; }
.fase-title { font-family: var(--font-serif); font-size: 1.1rem; color: var(--color-black); margin-bottom: 16px; }
.fase-list li {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  padding: 4px 0;
  padding-left: 12px;
  position: relative;
}
.fase-list li::before { content: '–'; position: absolute; left: 0; color: var(--color-text-light); }

/* ============================================
   CTA
   ============================================ */
.cta {
  padding: 120px 0;
  background-color: var(--color-black);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '参加';
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-serif);
  font-size: 28rem;
  color: rgba(255,255,255,0.012);
  line-height: 1;
  pointer-events: none;
  white-space: nowrap;
}
.cta-content { position: relative; z-index: 1; }
.cta-label { font-size: 0.7rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--color-red); display: block; margin-bottom: 24px; }
.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 300;
  color: white;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  line-height: 1.25;
}
.cta-subtitle { font-family: var(--font-serif); font-size: 1.1rem; color: rgba(255,255,255,0.35); letter-spacing: 0.1em; margin-bottom: 28px; }
.cta-desc { font-size: 1rem; color: rgba(255,255,255,0.5); max-width: 480px; margin: 0 auto 48px; line-height: 1.7; }
.cta-form { display: flex; gap: 0; max-width: 460px; margin: 0 auto 20px; }
.cta-input {
  flex: 1;
  padding: 16px 20px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  border-right: none;
  color: white;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}
.cta-input::placeholder { color: rgba(255,255,255,0.28); }
.cta-input:focus { background: rgba(255,255,255,0.11); border-color: rgba(255,255,255,0.28); }
.cta-btn {
  padding: 16px 28px;
  background-color: var(--color-red);
  color: white;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: 1px solid var(--color-red);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.cta-btn:hover { background-color: var(--color-red-dark); }
.cta-note { font-size: 0.78rem; color: rgba(255,255,255,0.22); letter-spacing: 0.04em; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer { padding: 60px 0 40px; background-color: #111111; color: rgba(255,255,255,0.4); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  margin-bottom: 32px;
}
.footer-brand .logo-kanji { color: rgba(255,255,255,0.28); }
.footer-brand .logo-text { color: white; }
.footer-brand p { margin-top: 16px; font-size: 0.875rem; line-height: 1.7; max-width: 300px; }
.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
}
.footer-col ul li { padding: 6px 0; }
.footer-col ul li a { font-size: 0.875rem; color: rgba(255,255,255,0.32); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--color-red); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; }
.footer-copyright { font-size: 0.8rem; }
.footer-tagline { font-family: var(--font-serif); font-size: 0.8rem; letter-spacing: 0.1em; color: rgba(255,255,255,0.18); }

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  :root { --container-padding: 0 24px; }
  .about-grid, .solution-intro { grid-template-columns: 1fr; gap: 48px; }
  .problem-grid, .diferenciais-grid { grid-template-columns: repeat(2, 1fr); }
  .scenarios-grid { grid-template-columns: repeat(3, 1fr); }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .fases-timeline { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .fases-timeline::before, .fase::before { display: none; }
  .fase { padding-top: 0; }
  .impacto-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  :root { --section-padding: 80px 0; --container-padding: 0 20px; }
  .nav-menu { display: none; }
  .nav-menu.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background-color: rgba(28,28,28,0.98);
    align-items: center;
    justify-content: center;
    gap: 36px;
    z-index: 999;
  }
  .nav-menu.active li a { font-size: 1.4rem; color: white; }
  .nav-menu.active li a.nav-cta { border-color: rgba(255,255,255,0.3); }
  .nav-toggle { display: flex; z-index: 1001; }
  .hero-title { font-size: clamp(2.8rem, 13vw, 5rem); }
  .about-grid, .solution-intro, .publico-grid { grid-template-columns: 1fr; }
  .about-visual { align-items: flex-start; }
  .problem-grid, .diferenciais-grid, .steps { grid-template-columns: 1fr; }
  .steps::before { display: none; }
  .scenarios-grid { grid-template-columns: repeat(2, 1fr); }
  .fases-timeline, .impacto-grid, .about-stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .cta-form { flex-direction: column; }
  .cta-input { border-right: 1px solid rgba(255,255,255,0.14); border-bottom: none; }
  .solution-features { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
}