/* ===================================================================
   Tundra Consultoria — estilos
   Paleta: gelo #eaedf6 · verde pastel #a4b893 · laranja pastel #b87968
=================================================================== */

:root {
  --ice: #eaedf6;
  --ice-deep: #dfe3f0;
  --green: #a4b893;
  --green-dark: #879b77;
  --orange: #b87968;
  --orange-dark: #a3614f;
  --ink: #232a36;          /* texto / seções escuras */
  --ink-soft: #515a68;     /* texto secundário */
  --white: #ffffff;
  --line: #d7dcea;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(35, 42, 54, .06), 0 6px 18px rgba(35, 42, 54, .06);
  --shadow-md: 0 10px 30px rgba(35, 42, 54, .10);
  --maxw: 1120px;
  --pad: clamp(1.5rem, 6vw, 2rem);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }

h1, h2, h3, .brand-name {
  font-family: "Space Grotesk", "Inter", sans-serif;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--ink);
}
h1 { font-size: clamp(2.2rem, 5.4vw, 3.7rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 600; }
h3 { font-size: 1.22rem; font-weight: 600; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

/* ---------- Eyebrow / shared ---------- */
.eyebrow {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: .98rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--orange-dark);
  margin-bottom: .9rem;
}
.hl-green { color: var(--green-dark); }
.hl-orange { color: var(--orange-dark); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: .98rem;
  padding: .85rem 1.5rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn-primary { background: var(--ink); color: var(--ice); }
.btn-primary:hover { background: #2e3744; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--ice); transform: translateY(-2px); }
.btn-block { width: 100%; }

/* ===================================================================
   Header
=================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(234, 237, 246, .8);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s, border-color .25s, background .25s;
}
.site-header.scrolled {
  background: rgba(234, 237, 246, .92);
  box-shadow: 0 1px 0 var(--line), 0 6px 20px rgba(35, 42, 54, .06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.brand { display: inline-flex; align-items: center; gap: .6rem; }
.brand-mark { flex: none; }
.brand-name { font-weight: 700; font-size: 1.18rem; display: flex; align-items: baseline; gap: .3rem; }
.brand-sub {
  font-family: "Inter", sans-serif;
  font-weight: 500;
  font-size: .72rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.nav { display: flex; align-items: center; gap: 1.9rem; }
.nav > a:not(.btn) {
  font-size: .95rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  transition: color .2s;
}
.nav > a:not(.btn):hover { color: var(--ink); }
.nav > a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--orange); transition: width .25s var(--ease);
}
.nav > a:not(.btn):hover::after { width: 100%; }
.btn-nav { padding: .6rem 1.15rem; font-size: .9rem; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================================================================
   Hero
=================================================================== */
.hero { position: relative; overflow: hidden; background: var(--ice); }
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.flare {
  position: absolute;
  border-radius: 50%;
  will-change: transform;
  transform: translate3d(0, 0, 0);
}
.flare-a {
  width: 70%; height: 82%; top: -24%; right: -8%;
  background: radial-gradient(circle at 50% 50%, rgba(164, 184, 147, .34), transparent 68%);
}
.flare-b {
  width: 66%; height: 78%; bottom: -28%; left: -10%;
  background: radial-gradient(circle at 50% 50%, rgba(184, 121, 104, .27), transparent 68%);
}
.hero-inner { position: relative; z-index: 1; padding-block: clamp(3.5rem, 9vw, 6.5rem) clamp(3.5rem, 8vw, 5.5rem); max-width: 880px; }
.hero h1 { margin-bottom: 1.3rem; width: fit-content; max-width: 100%; }
.hero-lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--ink-soft); max-width: 653px; margin-bottom: 2rem; text-wrap: pretty; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: 2.2rem; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 1.2rem 1.8rem; font-size: .92rem; color: var(--ink-soft); font-weight: 500; }

/* ===================================================================
   Stats
=================================================================== */
.stats { background: var(--ink); color: var(--ice); }
.stats-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.8rem, 4vw, 3rem);
  padding-block: clamp(2.8rem, 6vw, 4rem);
}
.stat { text-align: center; }
.stat-icon {
  width: 56px; height: 56px; border-radius: 16px;
  display: inline-grid; place-items: center; margin-bottom: 1.1rem;
  background: color-mix(in srgb, var(--ic) 28%, var(--ink));
  color: var(--ic);
}
.stat-icon svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.stat-title {
  font-family: "Space Grotesk", sans-serif; font-weight: 700;
  font-size: clamp(1.25rem, 2.4vw, 1.55rem); line-height: 1.2;
  color: var(--white); margin-bottom: .5rem;
}
.stat p { color: #c4cad6; font-size: .98rem; line-height: 1.55; max-width: 30ch; margin-inline: auto; }

/* ===================================================================
   Sections base
=================================================================== */
.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section-ice { background: var(--ice); }
.section-head { max-width: 680px; margin: 0 auto clamp(2.2rem, 4vw, 3.2rem); text-align: center; }
.section-head h2 { margin-bottom: .9rem; }
.section-sub { color: var(--ink-soft); font-size: 1.05rem; }

/* ---------- Service cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.4rem; }
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.9rem 1.7rem;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--ice-deep); }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; margin-bottom: 1.2rem;
  background: color-mix(in srgb, var(--ic) 22%, white);
  color: var(--ic);
}
.card-icon svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { margin-bottom: .55rem; }
.card p { color: var(--ink-soft); font-size: .98rem; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.4rem; counter-reset: step; }
.step {
  position: relative; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.9rem 1.6rem 1.7rem; box-shadow: var(--shadow-sm);
}
.step-num {
  font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 1.6rem;
  color: var(--green-dark); display: block; margin-bottom: .6rem;
}
.step:nth-child(even) .step-num { color: var(--orange-dark); }
.step h3 { margin-bottom: .45rem; }
.step p { color: var(--ink-soft); font-size: .96rem; }

/* ---------- About ---------- */
.about-grid { max-width: 720px; }
.about-text h2 { margin: .3rem 0 1.1rem; }
.about-text p { color: var(--ink-soft); margin-bottom: 1rem; }
.about-text .btn { margin-top: .6rem; }

/* ===================================================================
   Contact
=================================================================== */
.contact { background: var(--ink); color: var(--ice); }
.contact .eyebrow { color: var(--green); }
.contact h2 { color: var(--white); }
.contact .hl-green { color: var(--green); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 3.5rem); align-items: start; }
.contact-intro h2 { margin: .3rem 0 1rem; }
.contact-intro p { color: #c4cad6; margin-bottom: 1.6rem; text-wrap: balance; max-width: 42ch; }
.contact-info { display: grid; gap: 1rem; }
.contact-info li { display: flex; flex-direction: column; gap: .15rem; font-size: 1rem; }
.contact-info span { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--green); font-weight: 600; }
.contact-info a:hover { color: var(--green); }

.contact-form { background: var(--white); border-radius: var(--radius); padding: clamp(1.6rem, 3vw, 2.2rem); box-shadow: var(--shadow-md); }
/* Honeypot: fora da tela, mas ainda preenchível por bots. */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-size: .9rem; font-weight: 600; color: var(--ink); margin-bottom: .4rem; }
.optional { font-weight: 400; color: var(--ink-soft); }
.field input, .field textarea {
  width: 100%; font: inherit; color: var(--ink);
  padding: .8rem .95rem; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  background: #fbfbfd; transition: border-color .2s, box-shadow .2s; resize: none;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--green);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--green) 30%, transparent);
}
.field input:invalid:not(:placeholder-shown), .field textarea:invalid:not(:placeholder-shown) { border-color: var(--orange); }
.form-status { margin-top: .9rem; font-size: .92rem; font-weight: 500; min-height: 1.2em; }
.form-status.ok { color: var(--green-dark); }
.form-status.err { color: var(--orange-dark); }

/* ===================================================================
   Footer
=================================================================== */
.site-footer { background: var(--ice); border-top: 1px solid var(--line); padding-block: 2.6rem 1.6rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; align-items: flex-start; }
.footer-brand { max-width: 340px; }
.brand-footer { margin-bottom: .8rem; }
.footer-brand p { color: var(--ink-soft); font-size: .95rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1rem 1.6rem; }
.footer-nav a { color: var(--ink-soft); font-size: .95rem; font-weight: 500; transition: color .2s; }
.footer-nav a:hover { color: var(--ink); }
.footer-bottom { margin-top: 2rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.footer-bottom p { color: var(--ink-soft); font-size: .85rem; }

/* ===================================================================
   Reveal on scroll
=================================================================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
.reveal:nth-child(2) { transition-delay: .06s; }
.reveal:nth-child(3) { transition-delay: .12s; }
.reveal:nth-child(4) { transition-delay: .18s; }

/* ===================================================================
   Responsive
=================================================================== */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ice);
    border-bottom: 1px solid var(--line);
    padding: .5rem var(--pad) 1.4rem;
    box-shadow: var(--shadow-md);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .3s var(--ease), opacity .3s var(--ease);
  }
  .nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav > a:not(.btn) { padding: .95rem 0; border-bottom: 1px solid var(--line); }
  .nav > a:not(.btn)::after { display: none; }
  .btn-nav { margin-top: 1rem; }

  .contact-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; gap: 1.8rem; }
}

@media (max-width: 560px) {
  /* Em telas estreitas o título quebra naturalmente, sem as quebras fixas */
  .h1-br { display: none; }
  .hero h1 { width: auto; }

  /* CTAs do hero ocupam a largura toda para o conjunto parecer intencional, não solto */
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; }
}