/* ===========================================================
   Latin America · The Balancing Act
   Growth & the Clean Transition — stylesheet
   =========================================================== */

:root {
  /* Palette: deep forest + teal grid + warm earth accent */
  --ink: #0d1f1a;
  --ink-soft: #2a3b35;
  --paper: #f7f8f4;
  --paper-2: #eef1ea;
  --green: #1f7a52;
  --green-deep: #0f3d2b;
  --teal: #16a3a3;
  --lime: #7bc043;
  --amber: #e9a23b;
  --clay: #c8643b;
  --line: rgba(13, 31, 26, 0.12);
  --shadow: 0 18px 50px -20px rgba(15, 61, 43, 0.35);

  --maxw: 1120px;
  --radius: 18px;

  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 1.0625rem;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

h1, h2, h3 { font-family: var(--font-serif); line-height: 1.1; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); margin: 0 0 1.1rem; }
h3 { font-size: 1.25rem; margin: 0 0 0.4rem; }

p { margin: 0 0 1.1rem; }
a { color: inherit; }
strong { color: var(--green-deep); font-weight: 700; }
em { font-style: italic; }

.accent { color: var(--green); }

.container { width: min(var(--maxw), 100% - 3rem); margin-inline: auto; }
.narrow { max-width: 760px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--green);
  margin: 0 0 0.9rem;
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--green-deep); color: #fff; padding: 0.7rem 1rem;
  border-radius: 0 0 10px 0; z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  will-change: transform;
}
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 12px 28px -12px rgba(31, 122, 82, 0.8); }
.btn-primary:hover { transform: translateY(-2px); background: var(--green-deep); }
.btn-ghost { color: var(--green-deep); border: 1.5px solid var(--line); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--green); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  -webkit-backdrop-filter: saturate(150%) blur(12px);
  backdrop-filter: saturate(150%) blur(12px);
  background: rgba(247, 248, 244, 0.82);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.site-header.scrolled { border-bottom-color: var(--line); }

.nav {
  display: flex; align-items: center; justify-content: space-between;
  width: min(var(--maxw), 100% - 3rem); margin-inline: auto;
  padding: 0.9rem 0;
}
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; font-weight: 600; }
.brand-mark {
  width: 26px; height: 26px; border-radius: 8px;
  background: conic-gradient(from 200deg, var(--green), var(--teal), var(--lime), var(--green));
  box-shadow: inset 0 0 0 3px rgba(255,255,255,0.55);
}
.brand-text { font-size: 0.98rem; color: var(--ink); }
.brand-text em { font-family: var(--font-serif); font-style: italic; color: var(--green); }

.nav-links { list-style: none; display: flex; gap: 1.6rem; margin: 0; padding: 0; }
.nav-links a {
  text-decoration: none; font-size: 0.94rem; font-weight: 500; color: var(--ink-soft);
  position: relative; padding: 0.2rem 0;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
  background: var(--green); transition: width 0.25s ease;
}
.nav-links a:hover { color: var(--green-deep); }
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: 0;
  cursor: pointer; padding: 6px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 92vh; display: flex; align-items: center;
  padding: 6rem 0 4rem; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(120% 90% at 80% -10%, rgba(22, 163, 163, 0.22), transparent 55%),
    radial-gradient(90% 70% at -10% 110%, rgba(123, 192, 67, 0.20), transparent 55%),
    linear-gradient(160deg, #ffffff 0%, var(--paper) 40%, var(--paper-2) 100%);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(15, 61, 43, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 61, 43, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(circle at 70% 30%, #000, transparent 70%);
          mask-image: radial-gradient(circle at 70% 30%, #000, transparent 70%);
}
.hero-inner { width: min(var(--maxw), 100% - 3rem); margin-inline: auto; max-width: 920px; }
.lede { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--ink-soft); max-width: 60ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.8rem; }

.hero-scroll {
  position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft);
}
.scroll-line { width: 1px; height: 42px; background: linear-gradient(var(--green), transparent); animation: pulse 2.2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 0.3; transform: scaleY(0.7); } 50% { opacity: 1; transform: scaleY(1); } }

/* ---------- Stats (ring gauges) ---------- */
.stats { padding: 3.5rem 0 1rem; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.stat {
  margin: 0;
  display: flex; flex-direction: column; align-items: center; text-align: center;
  background: linear-gradient(180deg, #ffffff, var(--paper));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2.2rem 1.8rem; box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}
.stat::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px;
  background: linear-gradient(90deg, var(--green), var(--teal), var(--lime));
}
.stat:hover { transform: translateY(-5px); box-shadow: 0 28px 60px -24px rgba(15, 61, 43, 0.42); }

.gauge { position: relative; width: 150px; height: 150px; margin-bottom: 1.4rem; }
.gauge svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.gauge-track { fill: none; stroke: var(--paper-2); stroke-width: 9; }
.gauge-fill {
  fill: none; stroke: var(--green); stroke-width: 9; stroke-linecap: round;
  /* circumference for r=52 ≈ 326.73 */
  stroke-dasharray: 326.73; stroke-dashoffset: 326.73;
  transition: stroke-dashoffset 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.gauge-num {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 2.5rem); color: var(--green-deep); line-height: 1;
}
.stat-label { font-size: 0.95rem; color: var(--ink-soft); margin: 0; max-width: 30ch; }
.stats-note { font-size: 0.82rem; color: var(--ink-soft); opacity: 0.8; margin-top: 1.2rem; font-style: italic; }

/* ---------- Sections ---------- */
.section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }
.section-intro { font-size: 1.15rem; color: var(--ink-soft); max-width: 65ch; margin-bottom: 2.6rem; }
.section-tint { background: var(--paper-2); }

.section-dark { background: var(--green-deep); color: #e9f3ee; }
.section-dark .eyebrow { color: var(--lime); }
.section-dark h2 { color: #fff; }
.section-dark strong { color: #fff; }
.section-dark .section-intro { color: #c2d8ce; }

/* ---------- Split (advantage) ---------- */
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.split-text p { color: var(--ink-soft); max-width: 52ch; }

.energy-card {
  background: linear-gradient(160deg, #ffffff, var(--paper));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; box-shadow: var(--shadow);
}
.energy-card h3 { color: var(--green-deep); margin-bottom: 1.2rem; }
.energy-bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.05rem; }
.bar-label { display: flex; justify-content: space-between; font-size: 0.9rem; margin-bottom: 0.35rem; font-weight: 500; }
.bar-label em { font-style: normal; color: var(--teal); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; }
.bar { display: block; height: 10px; background: var(--paper-2); border-radius: 999px; overflow: hidden; }
.bar-fill {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--green), var(--teal));
  border-radius: 999px; transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.bar-fill.filled { width: var(--w); }
.energy-foot { font-size: 0.78rem; color: var(--ink-soft); margin: 1.2rem 0 0; font-style: italic; }

/* ---------- Cards (the trap) ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-bottom: 2.6rem; }
.card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14);
  border-radius: 14px; padding: 1.5rem; transition: transform 0.25s ease, background 0.25s ease;
}
.card:hover { transform: translateY(-4px); background: rgba(255,255,255,0.10); }
.card-icon { font-size: 1.8rem; display: block; margin-bottom: 0.6rem; }
.card h3 { color: #fff; }
.card p { color: #bcd3c8; font-size: 0.94rem; margin: 0; }

.callout {
  font-family: var(--font-serif); font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  line-height: 1.35; color: #fff; max-width: 26ch; margin: 0;
  border-left: 4px solid var(--lime); padding-left: 1.3rem;
}
.callout strong { color: var(--lime); }

/* ---------- Strategy ---------- */
.strategy-list { display: grid; gap: 0; }
.strategy-row {
  display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; align-items: start;
  padding: 1.8rem 0; border-top: 1px solid var(--line);
}
.strategy-row:last-child { border-bottom: 1px solid var(--line); }
.strategy-num {
  font-family: var(--font-serif); font-size: 1.6rem; font-weight: 700; color: var(--teal);
  min-width: 2.4rem;
}
.strategy-row p { color: var(--ink-soft); margin: 0; max-width: 70ch; }

/* ---------- Sectors ---------- */
.sector-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.sector {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; position: relative; overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.sector::before {
  content: ""; position: absolute; top: 0; left: 0; width: 5px; height: 100%;
  background: linear-gradient(var(--green), var(--teal));
}
.sector:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.sector h3 { color: var(--green-deep); }
.sector p { color: var(--ink-soft); font-size: 0.96rem; }
.sector-tag {
  display: inline-block; font-size: 0.76rem; font-weight: 600; letter-spacing: 0.03em;
  color: var(--green); background: rgba(31, 122, 82, 0.10);
  padding: 0.35rem 0.75rem; border-radius: 999px;
}

/* ---------- Finale ---------- */
.section-finale {
  background:
    radial-gradient(80% 120% at 50% -20%, rgba(22,163,163,0.18), transparent 60%),
    linear-gradient(180deg, var(--paper), #fff);
  text-align: center;
}
.section-finale .eyebrow { color: var(--green); }
.section-finale p { color: var(--ink-soft); font-size: 1.15rem; }
.pull-quote {
  font-family: var(--font-serif); font-size: clamp(1.4rem, 3.4vw, 2.1rem); line-height: 1.3;
  color: var(--green-deep); margin: 2rem auto 2.4rem; max-width: 24ch; font-style: italic;
}
.pull-quote::before { content: "\201C"; color: var(--teal); }
.pull-quote::after { content: "\201D"; color: var(--teal); }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-deep); color: #c2d8ce; padding: 3rem 0; }
.footer-brand { font-family: var(--font-serif); font-size: 1.2rem; color: #fff; margin-bottom: 0.5rem; }
.footer-note { max-width: 60ch; font-size: 0.92rem; margin-bottom: 0.8rem; }
.footer-meta { font-size: 0.82rem; opacity: 0.7; margin: 0; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--paper);
    border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height 0.35s ease; padding: 0 1.5rem;
  }
  .nav-links.open { max-height: 360px; padding: 0.5rem 1.5rem 1rem; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 0.8rem 0; border-bottom: 1px solid var(--line); }

  .stats-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .sector-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .cards { grid-template-columns: 1fr; }
  .hero { min-height: 88vh; }
  .container { width: min(var(--maxw), 100% - 2rem); }
}