/* ============================================
   Tormes Capital — styles.css
   Austere institutional palette:
   charcoal ink, stone white, muted bronze
   ============================================ */

:root {
  --ink: #16181d;           /* near-black charcoal */
  --dark: #101820;          /* dark section background */
  --dark-2: #0c1218;
  --bronze: #9a7b4f;        /* muted accent */
  --bronze-light: #d6c3a3;
  --bg: #f4f2ed;            /* warm stone white */
  --paper: #fbfaf7;
  --stone: #5d6167;
  --line: #ddd8cc;
  --line-dark: rgba(255, 255, 255, 0.12);
  --max: 1080px;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", "Segoe UI", 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(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

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

/* ---------- Typography ---------- */
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: 0.005em;
}

h1 { font-size: clamp(2.5rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.3rem; }

.kicker {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 1.1rem;
}

.lead { font-size: 1.1rem; color: var(--stone); max-width: 44rem; }

.rule {
  width: 56px;
  height: 1px;
  background: var(--bronze);
  border: none;
  margin: 1.6rem 0;
}

/* ---------- Header ---------- */
header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(16, 24, 32, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-dark);
  color: #eceae4;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--serif);
  font-size: 1.3rem;
  letter-spacing: 0.06em;
}
.brand .mark { width: 32px; height: 32px; flex: none; }
.brand strong { font-weight: 600; }
.brand .light { color: var(--bronze-light); font-weight: 400; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}
.nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(236, 234, 228, 0.8);
  transition: color 0.2s;
}
.nav-links a:hover { color: #fff; }

.lang-toggle {
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 2px;
  background: transparent;
  font: 600 0.72rem var(--sans);
  letter-spacing: 0.12em;
  padding: 6px 13px;
  cursor: pointer;
  color: var(--bronze-light);
  transition: border-color 0.2s, color 0.2s;
}
.lang-toggle:hover { border-color: var(--bronze-light); color: #fff; }

.burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #eceae4;
  margin: 5px 0;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(175deg, var(--dark) 0%, var(--dark-2) 100%);
  color: #eceae4;
  padding: 210px 0 130px;
  overflow: hidden;
}
.hero-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
}
.hero-inner { position: relative; z-index: 2; }
.hero h1 { max-width: 14em; color: #f4f2ed; }
.hero .lead { margin-top: 1.6rem; color: rgba(236, 234, 228, 0.72); }

.cta-row { margin-top: 2.6rem; display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 14px 34px;
  border-radius: 2px;
  font: 600 0.82rem var(--sans);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn-primary {
  background: var(--bronze);
  color: #fff;
}
.btn-primary:hover { background: #86683f; }
.btn-ghost {
  border: 1px solid rgba(236, 234, 228, 0.4);
  color: #eceae4;
}
.btn-ghost:hover { border-color: #eceae4; }
.btn-dark {
  background: var(--dark);
  color: #f4f2ed;
}
.btn-dark:hover { background: #000; }

/* ---------- Sections ---------- */
section { padding: 104px 0; }
section.alt { background: var(--paper); border-block: 1px solid var(--line); }

.section-head { max-width: 44rem; margin-bottom: 3.2rem; }
.section-head p { margin-top: 1.1rem; color: var(--stone); }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 72px;
  align-items: start;
}
.about-grid .col p + p { margin-top: 1.2rem; }
.about-grid p { color: #3a3e44; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  margin-top: 4rem;
}
.stat {
  padding: 32px 28px 0;
  border-left: 1px solid var(--line);
}
.stat:first-child { border-left: none; padding-left: 0; }
.stat b {
  display: block;
  font-family: var(--serif);
  font-size: 2.3rem;
  font-weight: 500;
  color: var(--dark);
}
.stat span { font-size: 0.82rem; color: var(--stone); letter-spacing: 0.03em; }

/* ---------- Criteria ---------- */
.criteria {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.criterion {
  background: var(--paper);
  padding: 36px 32px;
}
.criterion .num {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--bronze);
  display: block;
  margin-bottom: 1.2rem;
  letter-spacing: 0.1em;
}
.criterion h3 { font-size: 1.22rem; margin-bottom: 0.6rem; color: var(--dark); }
.criterion p { font-size: 0.9rem; color: var(--stone); }

/* ---------- Dark sections ---------- */
.dark-section {
  background: linear-gradient(175deg, var(--dark) 0%, var(--dark-2) 100%);
  color: #eceae4;
}
.dark-section .section-head p { color: rgba(236, 234, 228, 0.7); }
.dark-section h2 { color: #f4f2ed; }

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}
.pillar {
  background: var(--dark);
  padding: 32px 26px;
}
.pillar .num {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--bronze-light);
  display: block;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}
.pillar h3 { font-size: 1.08rem; color: #f4f2ed; margin-bottom: 0.5rem; }
.pillar p { font-size: 0.85rem; color: rgba(236, 234, 228, 0.62); }

/* ---------- Sell your company ---------- */
.sub-h {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--dark);
  margin: 4rem 0 1.6rem;
}
.sub-h:first-of-type { margin-top: 0; }

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  counter-reset: step;
}
.steps li {
  background: var(--paper);
  padding: 28px 22px;
  counter-increment: step;
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--bronze);
  letter-spacing: 0.1em;
  margin-bottom: 0.9rem;
}
.steps li b { display: block; font-size: 0.95rem; color: var(--dark); margin-bottom: 0.35rem; }
.steps li span { font-size: 0.84rem; color: var(--stone); }
.steps-note { margin-top: 1rem; font-size: 0.84rem; color: var(--stone); font-style: italic; }

.table-scroll { overflow-x: auto; border: 1px solid var(--line); }
.compare {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--paper);
}
.compare th, .compare td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.compare th {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
  border-bottom: 2px solid var(--line);
}
.compare th.us, .compare td.us {
  background: rgba(154, 123, 79, 0.07);
  color: var(--dark);
  border-left: 2px solid var(--bronze);
}
.compare th.us { color: var(--bronze); }
.compare td:first-child { font-weight: 600; color: var(--dark); }
.compare tr:last-child td { border-bottom: none; }

.faq details {
  border: 1px solid var(--line);
  border-bottom: none;
  background: var(--paper);
}
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--dark);
  list-style: none;
  position: relative;
  padding-right: 48px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--bronze);
}
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 22px 20px; font-size: 0.92rem; color: var(--stone); max-width: 60rem; }

.sell-cta { text-align: center; margin-top: 3.5rem; }

/* ---------- Co-investment ---------- */
.split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 72px;
  align-items: center;
}
.split p + p { margin-top: 1.2rem; }
.split p { color: #3a3e44; }
.quote-card {
  border-left: 2px solid var(--bronze);
  padding: 8px 0 8px 32px;
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1.45;
  color: var(--dark);
}

/* ---------- Team ---------- */
.team-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 2.5rem;
}
.team-col { border-top: 2px solid var(--bronze); padding-top: 1.5rem; }
.team-col h3 { font-size: 1.15rem; margin-bottom: 0.6rem; color: var(--dark); }
.team-col p { font-size: 0.92rem; color: var(--stone); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 72px;
}
.contact-info p { color: var(--stone); margin-top: 1.1rem; max-width: 26rem; }
.contact-lines { margin-top: 2.2rem; list-style: none; }
.contact-lines li {
  padding: 13px 0;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}
.contact-lines b { color: var(--dark); margin-right: 10px; }

form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 6px;
}
.field input, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--paper);
  padding: 13px 15px;
  font: 400 0.95rem var(--sans);
  color: var(--ink);
  transition: border-color 0.2s;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--bronze);
}
.field textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: 0.78rem; color: var(--stone); margin-top: 12px; }

/* ---------- Footer ---------- */
footer {
  background: var(--dark-2);
  color: rgba(236, 234, 228, 0.65);
  padding: 56px 0 32px;
  font-size: 0.85rem;
}
.foot-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line-dark);
}
.foot-top .brand { color: #f4f2ed; }
.foot-links { display: flex; gap: 26px; flex-wrap: wrap; list-style: none; }
.foot-links a:hover { color: #fff; }
.foot-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  font-size: 0.76rem;
  color: rgba(236, 234, 228, 0.4);
}

/* ---------- Reveal on scroll ---------- */
.reveal { transition: opacity 0.7s ease, transform 0.7s ease; }
/* hidden state only applies when the script confirms animations can run */
.js-anim .reveal:not(.visible) {
  opacity: 0;
  transform: translateY(22px);
}

/* ---------- Legal pages ---------- */
.legal-page { padding: 150px 0 80px; max-width: 760px; margin: 0 auto; }
.legal-page h1 { font-size: 2.2rem; margin-bottom: 1.5rem; }
.legal-page h2 { font-size: 1.3rem; margin: 2rem 0 0.6rem; }
.legal-page p, .legal-page li { color: #3a3e44; font-size: 0.95rem; }
.legal-page ul { padding-left: 1.2rem; margin-top: 0.5rem; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about-grid, .split, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .criteria, .steps { grid-template-columns: 1fr; }
  .team-cols { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-left: none; padding-left: 0; }
  section { padding: 72px 0; }
  .hero { padding: 150px 0 90px; }

  .nav-links {
    position: fixed;
    top: 74px;
    right: 0;
    left: 0;
    background: var(--dark);
    border-bottom: 1px solid var(--line-dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 18px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .burger { display: block; }
}