/* ============================================================
   Candido dos Santos — institutional site
   Editorial / refined: Fraunces display + Archivo body
   Palette: ink green on warm paper, brass accent
   ============================================================ */

:root {
  --paper: #F6F2E9;
  --paper-deep: #EFE9DB;
  --ink: #16241C;
  --ink-soft: #3E4C43;
  --green: #2E5941;
  --brass: #A9812F;
  --brass-soft: #C9A45A;
  --line: rgba(22, 36, 28, 0.16);
  --max: 1120px;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Archivo", "Helvetica Neue", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* grain overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: var(--brass-soft); color: var(--ink); }

a { color: inherit; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header ---------- */
header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--max);
  margin: 0 auto;
}

.wordmark {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
}

.wordmark .mono {
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

nav.main-nav { display: flex; gap: 28px; }

nav.main-nav a {
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  padding-bottom: 3px;
}

nav.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1.5px;
  background: var(--brass);
  transition: width 0.28s ease;
}

nav.main-nav a:hover::after { width: 100%; }
nav.main-nav a:hover { color: var(--ink); }

@media (max-width: 720px) {
  nav.main-nav { display: none; }
}

/* ---------- hero ---------- */
.hero {
  padding: clamp(72px, 12vw, 150px) 0 clamp(56px, 9vw, 120px);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "CS";
  position: absolute;
  right: -4%;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--serif);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(300px, 42vw, 560px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(22, 36, 28, 0.10);
  pointer-events: none;
  user-select: none;
}

.hero .kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 28px;
}

.hero .kicker::before {
  content: "";
  width: 36px; height: 1.5px;
  background: var(--brass);
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 470;
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  max-width: 15ch;
  position: relative;
  z-index: 2;
}

.hero h1 em {
  font-style: italic;
  font-weight: 370;
  color: var(--green);
}

.hero p.lead {
  margin-top: 30px;
  max-width: 52ch;
  font-size: 1.08rem;
  color: var(--ink-soft);
  position: relative;
  z-index: 2;
}

.hero .actions {
  margin-top: 42px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 15px 30px;
  border-radius: 999px;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--green); transform: translateY(-2px); }

.btn-ghost { border: 1.5px solid var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }

/* staggered load reveal */
.reveal { opacity: 0; transform: translateY(22px); animation: rise 0.85s cubic-bezier(0.2, 0.65, 0.25, 1) forwards; }
.d1 { animation-delay: 0.05s; }
.d2 { animation-delay: 0.18s; }
.d3 { animation-delay: 0.32s; }
.d4 { animation-delay: 0.46s; }

@keyframes rise {
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; opacity: 1; transform: none; }
}

/* ---------- section scaffolding ---------- */
section { padding: clamp(64px, 9vw, 110px) 0; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: clamp(36px, 5vw, 64px);
}

.section-head .num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--brass);
}

.section-head h2 {
  font-family: var(--serif);
  font-weight: 470;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  letter-spacing: -0.01em;
}

/* ---------- sobre ---------- */
.sobre { border-top: 1px solid var(--line); }

.sobre-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
}

.sobre-grid .big {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  line-height: 1.45;
}

.sobre-grid .big strong { font-weight: 600; color: var(--green); }

.sobre-grid .cols p + p { margin-top: 18px; }
.sobre-grid .cols p { color: var(--ink-soft); }

.valores {
  margin-top: 40px;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.valores li {
  list-style: none;
  display: flex;
  gap: 18px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.valores li i {
  font-family: var(--serif);
  font-style: italic;
  color: var(--brass);
  font-size: 0.85rem;
  min-width: 28px;
}

@media (max-width: 860px) {
  .sobre-grid { grid-template-columns: 1fr; }
}

/* ---------- serviços ---------- */
.servicos { background: var(--ink); color: var(--paper); }

.servicos .section-head h2 { color: var(--paper); }

.servicos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(246, 242, 233, 0.14);
  border: 1px solid rgba(246, 242, 233, 0.14);
}

.serv-card {
  background: var(--ink);
  padding: clamp(28px, 4vw, 48px);
  position: relative;
  transition: background 0.3s ease;
}

.serv-card:hover { background: #1D3126; }

.serv-card .idx {
  font-family: var(--serif);
  font-style: italic;
  color: var(--brass-soft);
  font-size: 0.9rem;
}

.serv-card h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.35rem;
  margin: 14px 0 12px;
}

.serv-card p {
  color: rgba(246, 242, 233, 0.72);
  font-size: 0.95rem;
}

@media (max-width: 720px) {
  .servicos-grid { grid-template-columns: 1fr; }
}

/* ---------- atendimento / whatsapp ---------- */
.atendimento { border-top: 1px solid var(--line); }

.atendimento-box {
  border: 1.5px solid var(--ink);
  border-radius: 22px;
  padding: clamp(32px, 5vw, 64px);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
  background: var(--paper-deep);
}

.atendimento-box h2 {
  font-family: var(--serif);
  font-weight: 470;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.2;
}

.atendimento-box p { margin-top: 16px; color: var(--ink-soft); }

.atendimento-box .canal {
  border-left: 2px solid var(--brass);
  padding-left: 22px;
  font-size: 0.95rem;
}

.atendimento-box .canal strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.atendimento-box .canal + .canal { margin-top: 22px; }

@media (max-width: 820px) {
  .atendimento-box { grid-template-columns: 1fr; }
}

/* ---------- contato ---------- */
.contato-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
}

.contato-grid h2 {
  font-family: var(--serif);
  font-weight: 470;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.1;
  max-width: 12ch;
}

.contato-list { display: grid; gap: 0; border-top: 1px solid var(--line); }

.contato-list .row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.98rem;
}

.contato-list .row .label {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-top: 4px;
}

.contato-list .row a {
  text-decoration: none;
  border-bottom: 1px solid var(--brass);
  transition: color 0.2s;
  overflow-wrap: anywhere;
}

.contato-list .row a:hover { color: var(--green); }

@media (max-width: 820px) {
  .contato-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .contato-list .row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .contato-list .row .label { padding-top: 0; }
}

/* ---------- footer ---------- */
footer {
  background: var(--ink);
  color: rgba(246, 242, 233, 0.75);
  padding: 56px 0 40px;
  font-size: 0.88rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}

.footer-grid .wordmark { color: var(--paper); font-size: 0.95rem; }
.footer-grid .wordmark .mono { border-color: rgba(246, 242, 233, 0.5); }

.footer-grid h4 {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass-soft);
  margin-bottom: 14px;
  font-weight: 600;
}

.footer-grid ul { list-style: none; display: grid; gap: 8px; }

.footer-grid a { color: inherit; text-decoration: none; }
.footer-grid a:hover { color: var(--paper); text-decoration: underline; }

.footer-bottom {
  border-top: 1px solid rgba(246, 242, 233, 0.15);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: rgba(246, 242, 233, 0.55);
}

@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- legal pages ---------- */
.legal {
  padding: clamp(56px, 8vw, 96px) 0;
  max-width: 760px;
  margin: 0 auto;
}

.legal h1 {
  font-family: var(--serif);
  font-weight: 470;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.1;
  margin-bottom: 10px;
}

.legal .updated {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 40px;
}

.legal h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.35rem;
  margin: 40px 0 14px;
}

.legal p, .legal li { color: var(--ink-soft); }
.legal p + p { margin-top: 14px; }
.legal ul { padding-left: 22px; margin-top: 10px; display: grid; gap: 8px; }
.legal a { color: var(--green); }