/* ═══════════════════════════════════════════
   DLVS Abogados — dlvs.pe
   Paleta: Azul petróleo · Negro · Verde petróleo
   Mobile-first (base = móvil, media queries para desktop)
   ═══════════════════════════════════════════ */

:root {
  --petrol: #0E4A3F;        /* verde petróleo principal */
  --petrol-dark: #0A332C;
  --navy: #0A1B2E;          /* azul petróleo profundo */
  --navy-light: #12304F;
  --ink: #0B0F14;           /* negro */
  --paper: #F7F5F1;         /* crema suave para contraste */
  --white: #FFFFFF;
  --gold: #C9A24B;          /* acento dorado sobrio */
  --muted: #8B98A5;
  --radius: 14px;
  --shadow: 0 20px 50px rgba(10, 27, 46, 0.18);
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Inter', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: 100%; padding: 0 20px; margin: 0 auto; }
.section { padding: 64px 0; }

/* ── Botones ── */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.2px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
}
.btn--primary {
  background: linear-gradient(135deg, var(--petrol), var(--petrol-dark));
  color: var(--white);
  box-shadow: 0 10px 25px rgba(14, 74, 63, 0.35);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(14, 74, 63, 0.45); }
.btn--ghost { border-color: rgba(255,255,255,0.5); color: var(--white); }
.btn--ghost:hover { background: rgba(255,255,255,0.12); }
.btn--block { width: 100%; }
.btn.is-sent { background: #1E7A4F; }

/* ── Header ── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(11, 15, 20, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo { display: flex; align-items: baseline; gap: 8px; }
.logo__mark {
  font-family: var(--serif); font-weight: 700; font-size: 26px;
  color: var(--white); letter-spacing: 2px;
}
.logo__mark::after {
  content: "·"; color: var(--gold); margin-left: 2px;
}
.logo__sub {
  font-size: 12px; color: var(--gold); letter-spacing: 3px;
  text-transform: uppercase; font-weight: 500;
}

/* Menú móvil (hamburguesa) */
.nav-toggle {
  display: flex; flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px; background: var(--white);
  transition: all 0.3s ease;
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav {
  position: fixed; top: 64px; left: 0; right: 0;
  background: var(--navy);
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease;
}
.nav.is-open { max-height: 320px; border-bottom: 3px solid var(--petrol); }
.nav__list { padding: 10px 20px 20px; }
.nav__list li a {
  display: block; padding: 14px 4px;
  color: rgba(255,255,255,0.85);
  font-size: 16px; font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.nav__list li a:hover { color: var(--gold); }
.nav__list li .btn { margin-top: 14px; }

/* ── Hero ── */
.hero { position: relative; min-height: 92vh; display: flex; align-items: flex-end; }
.hero__img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,15,20,0.55) 0%, rgba(11,15,20,0.35) 40%, rgba(11,15,20,0.92) 100%);
}
.hero__content { position: relative; z-index: 2; padding: 100px 20px 60px; }
.hero__tag {
  display: inline-block;
  font-size: 12px; letter-spacing: 4px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px;
  border: 1px solid rgba(201,162,75,0.4);
  padding: 6px 14px; border-radius: 999px;
}
.hero__title {
  font-family: var(--serif); font-weight: 600;
  font-size: 46px; line-height: 1.05; color: var(--white);
  margin-bottom: 16px;
}
.hero__title em { font-style: italic; color: var(--gold); }
.hero__text {
  color: rgba(255,255,255,0.85); font-size: 16px;
  max-width: 480px; margin-bottom: 28px;
}
.hero__actions { display: flex; flex-direction: column; gap: 12px; }

/* ── Banda de confianza ── */
.band { background: var(--navy); padding: 28px 0; }
.band__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.band__item { text-align: center; }
.band__item strong {
  display: block; font-family: var(--serif);
  font-size: 30px; color: var(--gold);
}
.band__item span { font-size: 12px; color: var(--muted); letter-spacing: 0.5px; }

/* ── Títulos de sección ── */
.section__kicker {
  font-size: 12px; letter-spacing: 4px; text-transform: uppercase;
  color: var(--petrol); font-weight: 600; margin-bottom: 10px;
}
.section__title {
  font-family: var(--serif); font-weight: 600;
  font-size: 34px; line-height: 1.1; margin-bottom: 12px;
}
.section__title em { font-style: italic; color: var(--petrol); }
.section__lead { color: #5A6672; font-size: 16px; max-width: 560px; margin-bottom: 36px; }

/* ── Grid de cards ── */
.grid { display: grid; gap: 16px; }
.card {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 26px 22px;
  border: 1px solid rgba(11,15,20,0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card__icon { font-size: 26px; display: block; margin-bottom: 12px; }
.card__title { font-family: var(--serif); font-size: 21px; font-weight: 600; margin-bottom: 8px; }
.card__text { color: #5A6672; font-size: 14.5px; }

/* ── Sección oscura (estudio) ── */
.section--dark {
  background: linear-gradient(160deg, var(--navy) 0%, var(--ink) 100%);
  color: var(--white);
}
.section--dark .section__kicker { color: var(--gold); }
.section--dark .section__title em { color: var(--gold); }
.section--dark .section__lead { color: rgba(255,255,255,0.7); }
.check-list li {
  padding: 10px 0 10px 30px; position: relative;
  color: rgba(255,255,255,0.85); font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.check-list li::before {
  content: "✓"; position: absolute; left: 0;
  color: var(--gold); font-weight: 700;
}
.split__card { margin-top: 32px; }
.quote {
  background: rgba(201,162,75,0.08);
  border-left: 3px solid var(--gold);
  padding: 24px; border-radius: 0 var(--radius) var(--radius) 0;
}
.quote p { font-family: var(--serif); font-style: italic; font-size: 20px; line-height: 1.4; }
.quote footer { margin-top: 12px; color: var(--gold); font-size: 13px; }

/* ── Equipo ── */
.grid--team { gap: 16px; }
.card--team { text-align: center; }
.card__avatar {
  width: 64px; height: 64px; margin: 0 auto 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--petrol), var(--navy));
  color: var(--white); font-family: var(--serif); font-weight: 700; font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--gold);
}
.card__role { font-size: 12.5px; color: var(--petrol); font-weight: 600; margin-bottom: 8px; letter-spacing: 0.3px; }

/* ── Contacto ── */
.section--contact { background: var(--paper); }
.form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow);
  max-width: 640px;
}
.form__group { margin-bottom: 18px; }
.form__row { display: grid; gap: 18px; }
.form__group label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--navy); margin-bottom: 6px;
}
.form__group input, .form__group textarea {
  width: 100%; padding: 13px 16px;
  border: 1.5px solid rgba(11,15,20,0.12);
  border-radius: 10px; font-family: var(--sans); font-size: 15px;
  background: var(--paper); color: var(--ink);
  transition: border-color 0.2s ease;
}
.form__group input:focus, .form__group textarea:focus {
  outline: none; border-color: var(--petrol);
  background: var(--white);
}
.form__note { margin-top: 14px; font-size: 12px; color: var(--muted); text-align: center; }

/* ── Footer ── */
.footer { background: var(--ink); color: rgba(255,255,255,0.7); padding: 48px 0 0; }
.footer__inner { display: grid; gap: 28px; padding-bottom: 32px; }
.footer__brand .logo__mark { font-size: 30px; }
.footer__brand p { font-size: 13px; margin-top: 6px; color: var(--muted); }
.footer__col h4 {
  font-family: var(--serif); color: var(--white);
  font-size: 17px; margin-bottom: 10px;
}
.footer__col ul li { margin-bottom: 7px; }
.footer__col ul li a { font-size: 14px; color: rgba(255,255,255,0.65); }
.footer__col ul li a:hover { color: var(--gold); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px 0 22px;
  display: grid; gap: 6px;
}
.footer__bottom p { font-size: 12.5px; color: var(--muted); }
.footer__legal { font-size: 11.5px; opacity: 0.7; }

/* ═══════════════ TABLET (≥ 640px) ═══════════════ */
@media (min-width: 640px) {
  .container { max-width: 640px; }
  .hero__title { font-size: 56px; }
  .hero__actions { flex-direction: row; }
  .band__inner { grid-template-columns: repeat(4, 1fr); }
  .grid { grid-template-columns: 1fr 1fr; }
  .form__row { grid-template-columns: 1fr 1fr; }
  .footer__inner { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer__bottom { grid-template-columns: 1fr 1fr; align-items: center; }
}

/* ═══════════════ DESKTOP (≥ 1024px) ═══════════════ */
@media (min-width: 1024px) {
  .container { max-width: 1080px; padding: 0 32px; }
  .section { padding: 96px 0; }
  .header__inner { height: 76px; }

  /* Nav desktop (reemplaza hamburguesa) */
  .nav-toggle { display: none; }
  .nav { position: static; max-height: none; overflow: visible; background: none; }
  .nav__list { display: flex; align-items: center; gap: 32px; padding: 0; }
  .nav__list li a { border: 0; padding: 8px 0; font-size: 15px; color: rgba(255,255,255,0.85); }
  .nav__list li .btn { margin-top: 0; }

  .hero { min-height: 88vh; }
  .hero__content { padding: 140px 32px 80px; }
  .hero__title { font-size: 68px; max-width: 700px; }
  .hero__text { font-size: 18px; }

  .grid { grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .section__title { font-size: 42px; }
  .split { display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px; align-items: center; }
  .split__card { margin-top: 0; }
  .form { padding: 40px; }
}