/* ==========================================================================
   AVERON — Design System
   Era de ouro da publicidade, trazida pra hoje.
   ========================================================================== */

:root {
  --cream:      #F5EEDC;
  --paper:      #ECE0C3;
  --paper-dark: #E2D3AC;
  --ink:        #1C1610;
  --ink-soft:   #4A4137;
  --red:        #AC3527;
  --red-bright: #C7402C;
  --rust:       #BE6A2C;
  --olive:      #33453A;
  --olive-deep: #212F27;
  --mustard:    #E0A23E;
  --line:       rgba(28, 22, 16, 0.14);
  --line-strong:rgba(28, 22, 16, 0.28);

  --font-display: "Anton", sans-serif;
  --font-serif:   "Fraunces", serif;
  --font-body:    "Work Sans", sans-serif;
  --font-mono:    "Space Mono", monospace;

  --container: 1180px;
  --radius-blob: 4% 24% 6% 22% / 18% 6% 24% 6%;
  --radius-blob-2: 22% 6% 24% 6% / 6% 24% 6% 22%;
}

/* ---- Reset ---- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* Grain overlay for warm paper texture */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---- Typography ---- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 0.94;
  color: var(--ink);
}
h1 { font-size: clamp(2.6rem, 6.4vw, 5.6rem); }
h2 { font-size: clamp(2.1rem, 4.4vw, 3.6rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.7rem); }

.serif-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.28;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--red);
  display: inline-block;
}

p.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--ink-soft);
  max-width: 640px;
}

/* ---- Buttons & Stamp ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 16px 28px;
  border: 2px solid var(--ink);
  border-radius: 100px;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--red);
  color: var(--cream);
  border-color: var(--red);
}
.btn-primary:hover { transform: translate(-2px,-2px); background: var(--red-bright); }
.btn-outline {
  background: transparent;
  color: var(--ink);
}
.btn-outline:hover { transform: translate(-2px,-2px); background: var(--ink); color: var(--cream); }
.btn-arrow { font-size: 1rem; transform: translateY(1px); }

.stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  border: 1.5px dashed var(--red);
  border-radius: 999px;
  padding: 7px 16px;
  transform: rotate(-3deg);
  white-space: nowrap;
}

/* ---- Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--cream);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  max-width: var(--container);
  margin: 0 auto;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-brand img { width: 42px; height: 42px; border-radius: 50%; }
.nav-brand span {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.nav-links {
  display: flex;
  gap: 30px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav-links a { position: relative; padding: 4px 0; }
.nav-links a.active { color: var(--red); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--red);
  transition: width 0.2s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 18px; }
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-cta .btn span.full { display: none; }
}

/* ---- Film sprocket divider (signature element) ---- */
.film-divider {
  height: 34px;
  background: var(--ink);
  display: flex;
  align-items: center;
  overflow: hidden;
  position: relative;
}
.film-divider .holes {
  display: flex;
  gap: 26px;
  padding-left: 18px;
  animation: scrollHoles 22s linear infinite;
  flex-shrink: 0;
}
.film-divider .holes span {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--cream);
  opacity: 0.85;
  flex-shrink: 0;
}
@keyframes scrollHoles {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .film-divider .holes { animation: none; }
}

/* ---- Layout helpers ---- */
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---- Image placeholders ----
   Used where a real photo/asset will be dropped in later.
   data-prompt holds the AI image-generation prompt (see image-prompts.md) */
.img-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  background: linear-gradient(155deg, var(--paper) 0%, var(--paper-dark) 55%, var(--rust) 130%);
  border: 1.5px solid var(--line-strong);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--ink-soft);
}
.img-placeholder.blob { border-radius: var(--radius-blob); }
.img-placeholder.blob-2 { border-radius: var(--radius-blob-2); }
.img-placeholder.wide { aspect-ratio: 16 / 10; }
.img-placeholder.square { aspect-ratio: 1 / 1; }
.img-placeholder .ph-icon {
  position: absolute;
  top: 22px; left: 22px;
  width: 34px; height: 34px;
  opacity: 0.55;
}
.img-placeholder .ph-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  background: rgba(28,22,16,0.82);
  color: var(--cream);
  padding: 10px 14px;
  line-height: 1.5;
}
.img-placeholder .ph-tag b {
  display: block;
  color: var(--mustard);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  margin-bottom: 3px;
}

/* Real photo frame — same shapes as .img-placeholder, no gradient.
   Swap a placeholder for this once you have the final image. */
.img-frame {
  position: relative;
  width: 100%;
  overflow: hidden;
  border: 1.5px solid var(--line-strong);
  background: var(--paper);
}
.img-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.img-frame.blob { border-radius: var(--radius-blob); aspect-ratio: 4/5; }
.img-frame.blob-2 { border-radius: var(--radius-blob-2); aspect-ratio: 4/5; }
.img-frame.wide { aspect-ratio: 16/10; }
.img-frame.square { aspect-ratio: 1/1; }

/* ---- Hero ---- */
.hero {
  padding: 72px 0 60px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}
.hero h1 { margin-bottom: 26px; }
.hero .lead { margin-bottom: 36px; }
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
}

/* ---- Cards ---- */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 34px;
}
.service-card { display: flex; flex-direction: column; gap: 16px; }
.service-card .num {
  font-family: var(--font-mono);
  color: var(--red);
  font-size: 0.85rem;
}
.service-card ul { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.service-card li {
  font-size: 0.92rem;
  color: var(--ink-soft);
  padding-left: 18px;
  position: relative;
}
.service-card li::before {
  content: "—";
  position: absolute; left: 0; color: var(--rust);
}

.process-step {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 24px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}
.process-step:first-child { border-top: none; }
.process-step .step-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--paper-dark);
  -webkit-text-stroke: 2px var(--ink);
  color: transparent;
}
@media (max-width: 700px) {
  .process-step { grid-template-columns: 50px 1fr; }
  .process-step .step-num { font-size: 1.6rem; }
}

.case-card { position: relative; }
.case-card .case-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 14px;
}
.case-card .case-meta span:first-child { font-weight: 600; }
.case-card .case-meta span:last-child {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--red);
  text-transform: uppercase;
}

/* ---- Big number band (sobre) ---- */
.band {
  background: var(--olive-deep);
  color: var(--cream);
  padding: 90px 0;
}
.band h2, .band h1 { color: var(--cream); }
.band .serif-quote { color: var(--mustard); }

/* ---- Split banner ---- */
.banner {
  background: var(--red);
  color: var(--cream);
  padding: 64px 0;
  text-align: center;
}
.banner h2 { color: var(--cream); margin-bottom: 18px; }
.banner p { color: rgba(245,238,220,0.85); margin-bottom: 30px; }
.banner .btn-outline { border-color: var(--cream); color: var(--cream); }
.banner .btn-outline:hover { background: var(--cream); color: var(--red); }

/* ---- Footer ---- */
.site-footer {
  background: var(--ink);
  color: var(--cream);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(245,238,220,0.14);
}
.footer-grid h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mustard);
  margin-bottom: 16px;
}
.footer-grid a, .footer-grid p { color: rgba(245,238,220,0.75); font-size: 0.92rem; }
.footer-grid li { margin-bottom: 8px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(245,238,220,0.5);
  flex-wrap: wrap;
  gap: 10px;
}
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---- Modal (lead form -> WhatsApp) ---- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(28,22,16,0.6);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--cream);
  border-radius: 20px;
  border: 1.5px solid var(--ink);
  max-width: 460px;
  width: 100%;
  padding: 40px;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 18px; right: 18px;
  font-size: 1.3rem;
  color: var(--ink-soft);
}
.modal h3 { margin-bottom: 8px; }
.modal p.lead { margin-bottom: 24px; font-size: 0.95rem; }
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--line-strong);
  border-radius: 10px;
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--red);
  outline-offset: 1px;
}
.modal .btn { width: 100%; justify-content: center; margin-top: 8px; }
.form-note {
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin-top: 12px;
  text-align: center;
}

/* ---- Page hero (subpages) ---- */
.page-hero { padding: 64px 0 48px; }
.page-hero .eyebrow { margin-bottom: 14px; }
.page-hero p.lead { margin-top: 20px; }

/* ---- Reveal on scroll ---- */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-reveal].in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }