/* DUCTILE CRM — public site */
/* Industrial dark · grafito + cobre · editorial-técnico */

:root {
  --bg: #0d1117;
  --surface: #131a23;
  --surface-2: #182130;
  --line: #242e3d;
  --line-soft: #1a2230;
  --text: #e6e9ee;
  --text-dim: #9aa6b5;
  --copper: #d97b4e;
  --copper-bright: #eda06f;
  --amber: #f2b45c;
  --mono: "IBM Plex Mono", monospace;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --display: "Fraunces", Georgia, serif;
  --radius: 14px;
  --maxw: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- fondo técnico ---------- */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
  opacity: 0.5;
}

/* ---------- nav ---------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px 28px 0;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}

.wordmark-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(145deg, var(--copper), var(--amber));
  box-shadow: 0 0 22px rgba(217, 123, 78, 0.35);
}

.wordmark-text {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.nav-login {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--copper-bright);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  transition: border-color 0.25s, color 0.25s, transform 0.25s;
}

.nav-login:hover {
  border-color: var(--copper);
  color: var(--amber);
  transform: translateY(-1px);
}

/* ---------- hero ---------- */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 110px 28px 70px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper-bright);
  margin-bottom: 26px;
}

.bracket { color: var(--text-dim); margin: 0 4px; }

.hero-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(3rem, 8vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-bottom: 30px;
}

.hero-title em {
  font-style: italic;
  color: transparent;
  background: linear-gradient(100deg, var(--copper) 10%, var(--amber) 90%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-sub {
  max-width: 620px;
  color: var(--text-dim);
  font-size: 1.12rem;
  margin-bottom: 44px;
}

/* ---------- botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.92rem;
  text-decoration: none;
  border-radius: 10px;
  padding: 15px 26px;
  transition: transform 0.2s, box-shadow 0.25s, background 0.25s, border-color 0.25s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--copper), #c4642f);
  color: #0d1117;
  font-weight: 500;
  box-shadow: 0 6px 26px rgba(217, 123, 78, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 34px rgba(217, 123, 78, 0.5);
}

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--copper);
  color: var(--amber);
  transform: translateY(-2px);
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- marquee ---------- */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 18px 0;
  margin-bottom: 120px;
}

.marquee-track {
  display: flex;
  gap: 34px;
  white-space: nowrap;
  width: max-content;
  animation: marquee 28s linear infinite;
}

.marquee-track span {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.24em;
  color: var(--text-dim);
}

.marquee-track i {
  color: var(--copper);
  font-style: normal;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- secciones ---------- */
.capabilities, .principle, .cta-final {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px 120px;
}

.section-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin-bottom: 52px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: linear-gradient(165deg, var(--surface), var(--bg));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(217, 123, 78, 0.55);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(217, 123, 78, 0.18);
}

.card-icon {
  width: 34px;
  height: 34px;
  color: var(--copper-bright);
  margin-bottom: 20px;
}

.card h3 {
  font-family: var(--display);
  font-size: 1.28rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.tag {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--amber);
  background: rgba(242, 180, 92, 0.07);
  border: 1px solid rgba(242, 180, 92, 0.2);
  border-radius: 6px;
  padding: 5px 10px;
}

/* ---------- principio ---------- */
.principle {
  border-top: 1px solid var(--line-soft);
  padding-top: 110px;
}

.principle-quote {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1.25;
  color: var(--text);
  max-width: 760px;
  margin-bottom: 22px;
}

.principle-sub {
  color: var(--text-dim);
  max-width: 620px;
}

/* ---------- cta final ---------- */
.cta-final { text-align: center; }

.cta-final .section-title { margin-bottom: 34px; }

.inline-code {
  font-family: var(--mono);
  font-size: 0.72em;
  color: var(--amber);
  background: rgba(242, 180, 92, 0.08);
  border: 1px solid rgba(242, 180, 92, 0.22);
  border-radius: 8px;
  padding: 2px 12px;
  white-space: nowrap;
}

/* ---------- footer ---------- */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 30px 28px 40px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.footer a {
  color: var(--copper-bright);
  text-decoration: none;
}

.footer a:hover { color: var(--amber); }

.footer-mark {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  background: linear-gradient(145deg, var(--copper), var(--amber));
}

/* ---------- reveal on load ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  animation: rise 0.8s cubic-bezier(0.22, 0.8, 0.32, 1) forwards;
}

.d1 { animation-delay: 0.08s; }
.d2 { animation-delay: 0.18s; }
.d3 { animation-delay: 0.3s; }
.d4 { animation-delay: 0.42s; }

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

/* scroll reveal: las que no arrancan con d1-d4 se revelan al entrar */
.reveal:not(.d1):not(.d2):not(.d3):not(.d4) {
  animation: none;
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal:not(.d1):not(.d2):not(.d3):not(.d4).in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- responsive ---------- */
@media (max-width: 640px) {
  .hero { padding-top: 74px; }
  .marquee { margin-bottom: 80px; }
  .capabilities, .principle, .cta-final { padding-bottom: 80px; }
  .footer { justify-content: center; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal:not(.d1):not(.d2):not(.d3):not(.d4) {
    opacity: 1;
    transform: none;
  }
}