/* ============================================================
   PetFinder – Design System
   ============================================================ */

/* ---------- Custom Properties ---------- */
:root {
  --orange: #FF5722;
  --orange-dark: #E64A19;
  --orange-light: #FFF3EF;
  --green: #4CAF50;
  --green-dark: #388E3C;
  --green-light: #F1F8F1;
  --blue: #2F80ED;
  --blue-dark: #1565C0;
  --blue-light: #EBF3FD;
  --white: #FFFFFF;
  --bg: #F7F5F2;
  --bg-alt: #FFFFFF;
  --text: #1A1A2E;
  --text-secondary: #5A5A72;
  --text-muted: #9090A0;
  --border: #E8E8EE;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.14);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --font-heading: 'Nunito', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: 0.25s ease;
  --navbar-h: 68px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
input, textarea, button { font-family: inherit; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 800;
  color: var(--text);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }

p { color: var(--text-secondary); }

.text--orange { color: var(--orange); }
.text--green  { color: var(--green); }
.text--blue   { color: var(--blue); }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  border-radius: var(--radius-xl);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: none;
  text-decoration: none;
}

.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--lg  { padding: 16px 32px; font-size: 1.05rem; }
.btn--md  { padding: 13px 28px; font-size: 0.95rem; }
.btn--sm  { padding: 9px 20px;  font-size: 0.875rem; }
.btn--full { width: 100%; }

.btn--orange {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(255, 87, 34, 0.35);
}
.btn--orange:hover {
  background: var(--orange-dark);
  box-shadow: 0 6px 24px rgba(255, 87, 34, 0.45);
}

.btn--green {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(76, 175, 80, 0.35);
}
.btn--green:hover {
  background: var(--green-dark);
  box-shadow: 0 6px 24px rgba(76, 175, 80, 0.45);
}

.btn--blue {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(47, 128, 237, 0.30);
}
.btn--blue:hover {
  background: var(--blue-dark);
  box-shadow: 0 6px 24px rgba(47, 128, 237, 0.40);
}

.btn--play {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--text);
  color: var(--white);
  padding: 14px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-family: var(--font-heading);
}
.btn--play small { display: block; font-size: 0.72rem; opacity: 0.75; font-weight: 400; }
.btn--play strong { display: block; font-size: 1.05rem; font-weight: 800; }
.btn--play:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

/* ---------- Section Helpers ---------- */
section { padding: 80px 0; }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  background: var(--orange-light);
  color: var(--orange);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.section-tag--light {
  background: rgba(255,255,255,0.2);
  color: var(--white);
}

.section-title { margin-bottom: 12px; }
.section-desc  { font-size: 1.05rem; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--navbar-h);
  background: rgba(247, 245, 242, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--text);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.navbar__links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.navbar__links a:hover { color: var(--orange); }

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.navbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.navbar__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle.open span:nth-child(2) { opacity: 0; }
.navbar__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--navbar-h) + 40px) 0 80px;
  overflow: hidden;
  background: linear-gradient(160deg, #FFF8F5 0%, #F7F5F2 50%, #EFF5FF 100%);
}

.hero__bg-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.12;
  filter: blur(60px);
}
.shape--1 { width: 500px; height: 500px; background: var(--orange); top: -100px; right: -100px; }
.shape--2 { width: 400px; height: 400px; background: var(--green);  bottom: -80px; left: -80px; }
.shape--3 { width: 300px; height: 300px; background: var(--blue);   top: 40%;  left: 50%; }

.hero__content {
  position: relative;
  text-align: center;
  z-index: 1;
}

.hero__logo-wrap {
  margin-bottom: 20px;
  animation: float 3s ease-in-out infinite;
}

.hero__logo {
  margin: 0 auto;
  filter: drop-shadow(0 8px 24px rgba(255, 87, 34, 0.25));
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.hero__title {
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 520px;
  margin: 0 auto 36px;
  color: var(--text-secondary);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 16px;
}

.hero__btn-secondary { margin-bottom: 24px; }

.hero__note {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-dot {
  width: 6px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: bounce 1.6s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50%       { transform: translateY(8px); opacity: 0.4; }
}

/* ============================================================
   SOBRE
   ============================================================ */
.sobre { background: var(--bg-alt); }

.sobre__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.sobre__card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.sobre__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.sobre__card--highlight {
  background: var(--white);
  border-color: var(--green);
  box-shadow: var(--shadow-sm);
}

.sobre__icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.sobre__icon--orange { background: var(--orange-light); color: var(--orange); }
.sobre__icon--green  { background: var(--green-light);  color: var(--green); }
.sobre__icon--blue   { background: var(--blue-light);   color: var(--blue); }

.sobre__card h3 { margin-bottom: 10px; }

/* ============================================================
   COMO FUNCIONA
   ============================================================ */
.como-funciona { background: var(--bg); }

.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}

.step {
  flex: 1;
  text-align: center;
  padding: 0 16px;
  animation: fadeUp 0.6s ease both;
}

.step:nth-child(1) { animation-delay: 0.1s; }
.step:nth-child(3) { animation-delay: 0.2s; }
.step:nth-child(5) { animation-delay: 0.3s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.step__number {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--white);
  margin: 0 auto 20px;
  box-shadow: var(--shadow-md);
}

.step__number--orange { background: var(--orange); box-shadow: 0 4px 16px rgba(255,87,34,0.4); }
.step__number--green  { background: var(--green);  box-shadow: 0 4px 16px rgba(76,175,80,0.4); }
.step__number--blue   { background: var(--blue);   box-shadow: 0 4px 16px rgba(47,128,237,0.4); }

.step__icon {
  width: 80px;
  height: 80px;
  background: var(--white);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.step__title { margin-bottom: 10px; }

.step__connector {
  flex: 0 0 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--border), var(--border));
  margin-top: 78px;
  position: relative;
}

.step__connector::after {
  content: '';
  position: absolute;
  right: -6px;
  top: -4px;
  width: 0;
  height: 0;
  border-left: 8px solid var(--border);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

/* ============================================================
   RECURSOS
   ============================================================ */
.recursos { background: var(--bg-alt); }

.recursos__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.recurso-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid var(--border);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

.recurso-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: var(--white);
}

.recurso-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.recurso-card__icon--orange { background: var(--orange-light); color: var(--orange); }
.recurso-card__icon--green  { background: var(--green-light);  color: var(--green); }
.recurso-card__icon--blue   { background: var(--blue-light);   color: var(--blue); }

.recurso-card h3 { margin-bottom: 8px; }

.recurso-card__badge {
  display: inline-block;
  margin-top: 14px;
  padding: 3px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.recurso-card__badge--orange { background: var(--orange-light); color: var(--orange); }
.recurso-card__badge--green  { background: var(--green-light);  color: var(--green); }
.recurso-card__badge--blue   { background: var(--blue-light);   color: var(--blue); }

/* ============================================================
   SCREENSHOTS
   ============================================================ */
.screenshots { background: var(--bg); overflow: hidden; }

.screenshots__grid {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Phone Mockup */
.phone-mockup { text-align: center; }

.phone-mockup__frame {
  width: 200px;
  height: 400px;
  background: #1A1A2E;
  border-radius: 36px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25), 0 0 0 1px rgba(255,255,255,0.08) inset;
  position: relative;
  margin: 0 auto 12px;
}

.phone-mockup__notch {
  width: 60px;
  height: 8px;
  background: #0d0d1a;
  border-radius: 0 0 8px 8px;
  margin: 0 auto 8px;
}

.phone-mockup__screen {
  background: var(--white);
  border-radius: 24px;
  height: calc(100% - 28px);
  overflow: hidden;
}

.phone-mockup__label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Mock Screen Content */
.mock-screen {
  padding: 12px 10px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: #F7F5F2;
}

.mock-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--text);
  background: var(--white);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
}

.mock-header--back { gap: 8px; }
.mock-back { font-size: 1rem; color: var(--blue); }

.mock-logo-small {
  width: 18px; height: 18px;
  background: var(--orange);
  border-radius: 5px;
}

.mock-btn {
  border-radius: 100px;
  padding: 8px 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.7rem;
  text-align: center;
  color: var(--white);
}

.mock-btn--orange { background: var(--orange); }
.mock-btn--green  { background: var(--green); }
.mock-btn--blue   { background: var(--blue); }
.mock-btn--sm     { padding: 6px 10px; font-size: 0.65rem; }

.mock-stats {
  display: flex;
  gap: 6px;
  margin-top: auto;
}

.mock-stat {
  flex: 1;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 8px 6px;
  text-align: center;
}

.mock-stat strong {
  display: block;
  font-size: 1rem;
  font-family: var(--font-heading);
  color: var(--text);
}

.mock-stat span { font-size: 0.6rem; color: var(--text-muted); }

.mock-photo-upload {
  background: var(--white);
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  height: 70px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 0.6rem;
  color: var(--text-muted);
}

.mock-field {
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-size: 0.65rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* Map mock */
.mock-map {
  flex: 1;
  background: #e8f4e8;
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  min-height: 120px;
}

.mock-map__bg {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.4) 0, rgba(255,255,255,0.4) 1px, transparent 1px, transparent 20px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.4) 0, rgba(255,255,255,0.4) 1px, transparent 1px, transparent 20px);
}

.mock-pin {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  border: 2px solid white;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.mock-pin--orange { background: var(--orange); }
.mock-pin--green  { background: var(--green); }

.mock-legend {
  display: flex;
  gap: 8px;
}

.mock-legend__item {
  flex: 1;
  text-align: center;
  font-size: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 4px;
  border-radius: 100px;
}

.mock-legend__item--orange { background: var(--orange-light); color: var(--orange); }
.mock-legend__item--green  { background: var(--green-light);  color: var(--green); }

/* Pet cards in list mock */
.mock-pet-card {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 8px;
  border-left: 3px solid;
}

.mock-pet-card--orange { border-color: var(--orange); }
.mock-pet-card--green  { border-color: var(--green); }

.mock-pet-thumb {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #FFD0B5, #FFAB91);
  flex-shrink: 0;
}
.mock-pet-thumb--2 { background: linear-gradient(135deg, #C8E6C9, #A5D6A7); }
.mock-pet-thumb--3 { background: linear-gradient(135deg, #BBDEFB, #90CAF9); }

.mock-pet-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.mock-pet-info strong { font-size: 0.7rem; font-family: var(--font-heading); color: var(--text); }
.mock-pet-info span   { font-size: 0.58rem; color: var(--text-muted); }
.mock-pet-dist        { color: var(--blue) !important; font-weight: 600; }

/* ============================================================
   FAQ
   ============================================================ */
.faq { background: var(--bg-alt); }

.faq__list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq__item {
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.faq__item.open {
  box-shadow: var(--shadow-sm);
  border-color: var(--orange);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-align: left;
  transition: background var(--transition);
}

.faq__question:hover { background: var(--white); }

.faq__chevron {
  flex-shrink: 0;
  color: var(--orange);
  transition: transform var(--transition);
}

.faq__item.open .faq__chevron { transform: rotate(180deg); }

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq__answer p {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq__answer a { color: var(--blue); text-decoration: underline; }

.faq__item.open .faq__answer { max-height: 300px; }

/* ============================================================
   DOWNLOAD
   ============================================================ */
.download {
  background: linear-gradient(135deg, var(--orange) 0%, #FF7043 50%, var(--orange-dark) 100%);
  color: var(--white);
  padding: 80px 0;
}

.download__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.download__title {
  color: var(--white);
  margin-bottom: 16px;
}

.download__desc {
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.download__form-wrap {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
}

.download__form-wrap h3 {
  margin-bottom: 6px;
  font-size: 1.3rem;
}

.download__form-wrap > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 0.9rem;
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.12);
  background: var(--white);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 10px;
}

.form-success {
  text-align: center;
  padding: 24px;
}

.form-success p {
  margin-top: 12px;
  font-weight: 600;
  color: var(--green-dark);
}

/* ============================================================
   CONTATO
   ============================================================ */
.contato { background: var(--bg); }

.contato__inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}

.contato__info { padding-top: 8px; }

.contato__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}

.contato__item-icon {
  width: 44px;
  height: 44px;
  background: var(--orange-light);
  color: var(--orange);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contato__item strong { display: block; font-family: var(--font-heading); margin-bottom: 2px; }
.contato__item span   { font-size: 0.9rem; color: var(--text-secondary); }

.contato__social {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}

.social-link {
  width: 44px;
  height: 44px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.social-link:hover {
  color: var(--orange);
  border-color: var(--orange);
  background: var(--orange-light);
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--text);
  color: rgba(255,255,255,0.75);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 60px;
  padding: 60px 20px 40px;
}

.footer__brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  margin-top: 12px;
  max-width: 260px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--white);
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col strong {
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.footer__col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.footer__col a:hover { color: var(--orange); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px;
}

.footer__bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer__bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.4); }
.footer__bottom span { color: var(--orange); }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 44px;
  height: 44px;
  background: var(--orange);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), opacity var(--transition);
  opacity: 0;
}

.back-to-top:not([hidden]) { opacity: 1; }
.back-to-top:hover { transform: translateY(-3px); }

/* ============================================================
   ANIMATIONS & UTILITIES
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 900px) {
  .download__inner  { grid-template-columns: 1fr; gap: 40px; }
  .contato__inner   { grid-template-columns: 1fr; gap: 40px; }
  .footer__inner    { grid-template-columns: 1fr; gap: 40px; }
  .footer__links    { grid-template-columns: repeat(2, 1fr); }

  .steps {
    flex-direction: column;
    align-items: center;
  }

  .step { padding: 0; max-width: 320px; width: 100%; }

  .step__connector {
    width: 2px;
    height: 32px;
    flex: 0 0 32px;
    margin-top: 0;
    margin-left: auto;
    margin-right: auto;
    background: linear-gradient(180deg, var(--border), var(--border));
  }

  .step__connector::after {
    right: -4px;
    top: auto;
    bottom: -6px;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 8px solid var(--border);
    border-bottom: none;
  }
}

/* Mobile */
@media (max-width: 640px) {
  section { padding: 60px 0; }

  .navbar__links {
    position: fixed;
    top: var(--navbar-h);
    left: 0; right: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    pointer-events: none;
  }

  .navbar__links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .navbar__links a {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }

  .navbar__links .btn { margin-top: 8px; width: 100%; justify-content: center; }
  .navbar__toggle { display: flex; }

  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: 100%; max-width: 320px; }
  .hero__btn-secondary { width: 100%; max-width: 320px; }

  .sobre__grid { grid-template-columns: 1fr; }
  .recursos__grid { grid-template-columns: 1fr; }

  .screenshots__grid { gap: 32px; }
  .phone-mockup__frame { width: 170px; height: 340px; }

  .footer__links { grid-template-columns: 1fr 1fr; }
  .footer__bottom .container { flex-direction: column; text-align: center; }

  .download__form-wrap { padding: 24px 20px; }
  .contact-form { padding: 24px 20px; }

  .back-to-top { bottom: 16px; right: 16px; }
}

@media (max-width: 400px) {
  .footer__links { grid-template-columns: 1fr; }
  .screenshots__grid { flex-direction: column; align-items: center; }
}