/* Fystec — editorial modern, fundo claro */

:root {
  --accent: #ea580c;
  --accent-soft: #fff1e9;
  --accent-deep: #b8430b;

  --bg: #fbfaf7;
  --bg-warm: #f5f1ea;
  --bg-card: #ffffff;
  --ink: #1a1614;
  --ink-2: #4a4341;
  --ink-3: #8a807c;
  --line: #e9e3da;
  --line-strong: #d6cfc4;

  --serif: "Fraunces", "Newsreader", Georgia, serif;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;

  --container: 1240px;
  --pad-x: clamp(20px, 4vw, 56px);
  --section-y: clamp(80px, 10vw, 140px);

  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 24px;
}

[data-density="compact"] {
  --section-y: clamp(56px, 7vw, 96px);
}
[data-density="comfy"] {
  --section-y: clamp(110px, 13vw, 180px);
}

[data-fontpair="fraunces"] { --serif: "Fraunces", Georgia, serif; --sans: "Inter", system-ui, sans-serif; }
[data-fontpair="instrument"] { --serif: "Instrument Serif", Georgia, serif; --sans: "DM Sans", system-ui, sans-serif; }
[data-fontpair="newsreader"] { --serif: "Newsreader", Georgia, serif; --sans: "Inter", system-ui, sans-serif; }

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--accent);
  color: white;
}

/* Layout helpers */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

.section {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
  position: relative;
}

.section--tinted {
  background: var(--bg-warm);
}

.section--tight {
  padding-top: calc(var(--section-y) * 0.6);
  padding-bottom: calc(var(--section-y) * 0.6);
}

/* Type */
.eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}

.display {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(44px, 7.2vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}
.display em {
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
}

.h1 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.018em;
  margin: 0;
  text-wrap: balance;
}
.h1 em { font-style: italic; color: var(--accent); font-weight: 300; }

.h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  margin: 0;
}

.h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -0.005em;
  margin: 0;
}

.lead {
  font-family: var(--sans);
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 56ch;
  text-wrap: pretty;
}

.body {
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink-2);
  text-wrap: pretty;
}

.tiny {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.005em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--ink);
  color: var(--bg);
}
.btn--primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

.btn--accent {
  background: var(--accent);
  color: white;
}
.btn--accent:hover {
  background: var(--accent-deep);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn--ghost:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
}

.btn--text {
  padding: 6px 0;
  background: transparent;
  color: var(--ink);
  border-radius: 0;
  border-bottom: 1px solid currentColor;
  border-top: 0;
  border-left: 0;
  border-right: 0;
}
.btn--text:hover {
  color: var(--accent);
}

.btn .arrow {
  transition: transform 0.2s ease;
}
.btn:hover .arrow {
  transform: translateX(3px);
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover {
  border-color: var(--line-strong);
}

.divider {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}

/* Pill / tag */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--line);
  color: var(--ink-2);
}
.pill--accent {
  background: var(--accent-soft);
  border-color: transparent;
  color: var(--accent-deep);
}
.pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* Animated reveals */
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.rise { animation: rise 0.7s ease-out both; }
.rise-2 { animation: rise 0.7s ease-out 0.08s both; }
.rise-3 { animation: rise 0.7s ease-out 0.16s both; }
.rise-4 { animation: rise 0.7s ease-out 0.24s both; }
.rise-5 { animation: rise 0.7s ease-out 0.32s both; }

/* Decorative serif marker */
.marker-num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
  font-size: 22px;
  line-height: 1;
}

/* Grid utilities */
.grid {
  display: grid;
  gap: 24px;
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Scroll cue */
.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.scroll-cue .line {
  width: 28px;
  height: 1px;
  background: currentColor;
}

/* Subtle paper texture (optional) */
.paper-grain {
  position: relative;
}
.paper-grain::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(0,0,0,0.018) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: 0.6;
  z-index: 0;
}