/**
 * Cooper Tec Solutions — estilos do site público
 * Estrutura: tokens → base → header → hero → seções → formulários → footer → responsivo
 */

/* ========== Tokens de marca ========== */
:root {
  --green: #1B4D2E;
  --green-2: #246B3D;
  --charcoal: #2B2B2B;
  --muted: #6B7280;
  --bg: #F5F7F6;
  --surface: #FFFFFF;
  --line: #D8DED9;
  --text: #1A1F1C;
  --accent-warm: #C45C26;
  --shadow: 0 18px 50px rgba(27, 77, 46, 0.08);
  --radius: 14px;
  --font: "Manrope", system-ui, sans-serif;
  --display: "Outfit", system-ui, sans-serif;
}

[data-theme="dark"] {
  --bg: #0F1411;
  --surface: #171D19;
  --line: #2A332D;
  --text: #E8EEE9;
  --muted: #9AA59D;
  --shadow: 0 18px 50px rgba(0, 0, 0, .35);
}

/* ========== Base ========== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(27, 77, 46, .12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(43, 43, 43, .08), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
img,
video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 1.5rem)); margin-inline: auto; }
.container-form { max-width: 820px; }
.container-article { max-width: 760px; }
.container-narrow { max-width: 640px; }

/* ========== Cabeçalho ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 1.25rem;
  padding: .65rem 0;
}
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo img {
  width: auto;
  height: 134px;
  max-width: min(384px, 42vw);
  object-fit: contain;
  object-position: left center;
}
.nav {
  display: flex;
  gap: .85rem;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  min-width: 0;
}
.nav a {
  font-size: .86rem;
  color: var(--muted);
  white-space: nowrap;
}
.nav a:hover,
.nav a.active { color: var(--green); }
.header-actions {
  display: flex;
  gap: .45rem;
  align-items: center;
  justify-self: end;
  flex-shrink: 0;
}
.header-actions .btn {
  white-space: nowrap;
  padding: .62rem 1rem;
  line-height: 1;
}

/* ========== Botões ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  border: 0;
  border-radius: 999px;
  padding: .7rem 1.15rem;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  flex-shrink: 0;
  overflow: visible;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-2); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}
.btn-whatsapp { background: #25D366; color: #fff; }
.btn-on-green { background: #fff; color: var(--green); }
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  display: grid;
  place-items: center;
  cursor: pointer;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: clamp(260px, 36vh, 380px);
  height: auto;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
.hero-media,
.hero-media video,
.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 78%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 20, 17, .28), rgba(15, 20, 17, .78) 78%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 2.25rem 0 2.5rem;
}
.hero h1 {
  font-family: var(--display);
  font-size: clamp(1.55rem, 3.6vw, 2.4rem);
  line-height: 1.15;
  max-width: 24ch;
  margin: 0 0 .65rem;
}
.hero p {
  max-width: 52ch;
  color: rgba(255, 255, 255, .88);
  font-size: 1rem;
  margin: 0;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin-top: 1.15rem;
}
.hero-ctas .btn {
  min-height: 44px;
  padding: .7rem 1.2rem;
}

/* ========== Seções e grids ========== */
.section { padding: 4.5rem 0; }
.section-head { margin-bottom: 2rem; max-width: 40rem; }
.section-head h2 {
  font-family: var(--display);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  margin: 0 0 .5rem;
}
.section-head p { color: var(--muted); margin: 0; }
.section-head-spaced { margin-top: 2.5rem; }
.section-more { margin-top: 1.25rem; }
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.grid-about {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}

/* ========== Cards e destaques ========== */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 44px rgba(27, 77, 46, 0.16);
}
.card-body { padding: 1.15rem 1.2rem 1.35rem; }
.card h3 {
  margin: 0 0 .4rem;
  font-family: var(--display);
  font-size: 1.15rem;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
}
.product-card img {
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
}
.feature {
  padding: 1.25rem;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.feature:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 44px rgba(27, 77, 46, 0.16);
}
.icon-wrap {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin: 0 auto .9rem;
  border-radius: 14px;
  background: color-mix(in srgb, var(--green) 12%, var(--surface));
  color: var(--green);
}
.brand-icon { width: 24px; height: 24px; display: block; }
.feature,
.card-body:has(.icon-wrap) {
  text-align: center;
}
.card-body-values { text-align: center; }
.values-list {
  margin: .35rem 0 0;
  padding: 0;
  list-style: none;
  text-align: left;
  color: var(--muted);
  font-size: .95rem;
}
.values-list li {
  position: relative;
  margin: .45rem 0;
  padding-left: 1.15rem;
}
.values-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--green);
}

/* ========== Faixa de CTA ========== */
.cta-band {
  margin: 2rem 0 0;
  padding: 2rem;
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(135deg, var(--green), #163D25);
  color: #fff;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}
.cta-band-title { margin: 0 0 .35rem; }
.cta-band-text { margin: 0; opacity: .9; }

/* ========== Formulários ========== */
.form {
  display: grid;
  gap: .9rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  position: relative;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .9rem;
}
label {
  display: grid;
  gap: .35rem;
  font-size: .9rem;
  font-weight: 600;
}
input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .7rem .8rem;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
textarea {
  min-height: 110px;
  resize: vertical;
}
.check {
  display: flex !important;
  flex-direction: row;
  align-items: center;
  gap: .7rem;
  font-weight: 500;
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.45;
}
.check input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
  margin: 0;
  padding: 0;
  flex-shrink: 0;
  accent-color: var(--green);
  -webkit-appearance: checkbox;
  appearance: checkbox;
}
.check span { min-width: 0; }
.hp {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}
.captcha-box {
  display: grid;
  gap: .45rem;
  padding: .85rem 1rem;
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--bg) 70%, var(--surface));
}
.captcha-q { margin: 0; font-size: .9rem; font-weight: 600; }
.whatsapp-panel {
  margin-top: 1.5rem;
  padding: 1.15rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
}
.whatsapp-panel h3 {
  margin: 0 0 .35rem;
  font-family: var(--display);
  font-size: 1.15rem;
}
.whatsapp-panel p {
  margin: 0 0 1rem;
  color: var(--muted);
}
.quote-whatsapp { margin-top: 1.25rem; }
.quote-whatsapp .btn { gap: .5rem; }
.quote-whatsapp .brand-icon { width: 18px; height: 18px; }
.alert {
  padding: .85rem 1rem;
  border-radius: 10px;
  margin-bottom: 1rem;
}
.alert-ok { background: #E8F6EE; color: #14532D; }
.alert-err { background: #FDECEC; color: #7F1D1D; }
[data-theme="dark"] .alert-ok { background: #163226; color: #B7F0CB; }
[data-theme="dark"] .alert-err { background: #3A1717; color: #F5C2C2; }

/* ========== Abas (manutenção) ========== */
.tabs {
  display: flex;
  gap: .5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.tab {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: .55rem 1rem;
  cursor: pointer;
  font-weight: 700;
}
.tab.active {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.checklist {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}
.checklist li { margin: .4rem 0; }
.stars {
  color: #E6A700;
  letter-spacing: 1px;
}

/* ========== Rodapé ========== */
.site-footer {
  margin-top: 3rem;
  padding: 2.5rem 0 1.5rem;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 90%, var(--green));
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.5rem;
}
.footer-muted {
  color: var(--muted);
  font-size: .92rem;
}
.footer-copy { margin-top: 1.5rem; }
.flash-wrap { padding-top: 1rem; }

/* ========== WhatsApp flutuante ========== */
.whatsapp-float {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: #25D366;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, .4);
}

/* ========== Responsivo ========== */
.mobile-toggle { display: none; }
@media (prefers-reduced-motion: reduce) {
  .card,
  .feature,
  .btn { transition: none; }
  .card:hover,
  .feature:hover { transform: none; }
}

/* Tablet: 2 colunas, menu ainda visível se couber */
@media (max-width: 1100px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-about { grid-template-columns: 1fr 1fr; }
  .grid-about .card:last-child { grid-column: 1 / -1; }
  .header-actions .header-quote { padding: .55rem .8rem; font-size: .85rem; }
  .nav { gap: .55rem; }
  .nav a { font-size: .78rem; }
  .logo img { height: 112px; max-width: min(320px, 40vw); }
}

@media (max-width: 960px) {
  .mobile-toggle { display: grid; }
  .header-inner {
    position: relative;
    grid-template-columns: 1fr auto;
  }
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    padding: .5rem 0 1rem;
    border-bottom: 1px solid var(--line);
    z-index: 40;
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a {
    white-space: normal;
    padding: .7rem 1rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--line);
  }
  .logo img { height: 90px; max-width: min(256px, 58vw); }
  .hero { min-height: 240px; height: auto; }
  .hero-content { padding: 1.75rem 0 2rem; }
  .section { padding: 3.25rem 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .grid-3,
  .grid-2,
  .grid-about { grid-template-columns: 1fr; }
  .grid-about .card:last-child { grid-column: auto; }
  .form-row { grid-template-columns: 1fr; }
  .cta-band {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .cta-band .btn { width: 100%; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn {
    width: 100%;
    flex: 0 0 auto;
    white-space: normal;
  }
  .header-quote { display: none; }
  .whatsapp-panel .btn-whatsapp,
  .quote-whatsapp .btn { width: 100%; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 2.5rem 0; }
  .hero { min-height: 220px; height: auto; }
  .hero h1 { font-size: clamp(1.7rem, 9vw, 2.4rem); max-width: none; }
  .hero p { max-width: none; font-size: 1rem; }
  .logo img { height: 70px; max-width: min(208px, 70vw); }
  .whatsapp-float {
    width: 50px;
    height: 50px;
    right: .75rem;
    bottom: .75rem;
  }
  .form,
  .card-body,
  .feature { padding: 1rem; }
  table { font-size: .85rem; }
}