/* ============================================================
   BIOSEMBRAR S.A.S — Design System
   ============================================================ */

:root {
  --forest-main: #036233;
  --forest-dark: #04592F;
  --green-hero: #7CBE2E;
  --green-mid: #5FAE2C;
  --green-secondary: #2A7E2E;
  --petrol: #0B3340;
  --bg-deep: #071E1A;
  --white-env: #F8FBF7;
  --grey-tech: #68736D;
  --grey-light: #E7EDE8;

  --ink: #0E1B16;
  --ink-soft: #3B4A43;

  --font-display: 'Manrope', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --container: 1280px;
  --container-narrow: 880px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --shadow-soft: 0 12px 40px -12px rgba(3, 30, 20, 0.25);
  --shadow-card: 0 8px 24px -10px rgba(7, 30, 26, 0.18);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 0.25s;
  --dur-med: 0.55s;
  --dur-slow: 0.9s;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white-env);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 800; line-height: 1.12; margin: 0; letter-spacing: -0.01em; }
p { line-height: 1.65; margin: 0; }
:focus-visible { outline: 3px solid var(--green-hero); outline-offset: 2px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Typography scale ---------- */
.eyebrow {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--green-hero);
  display: inline-block;
}
[data-theme="dark"] .eyebrow, .on-dark .eyebrow { color: var(--green-hero); }

h1, .h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2, .h2 { font-size: clamp(1.9rem, 3.4vw, 2.85rem); }
h3, .h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); }
.section-lead { font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: var(--ink-soft); max-width: 62ch; }
.on-dark .section-lead { color: rgba(248,251,247,0.78); }

.section-head { margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-head--center { text-align: center; margin-inline: auto; }
.section-head .eyebrow { margin-bottom: 0.9rem; }
.section-head h2 { margin-bottom: 1rem; }

section { position: relative; padding: clamp(4rem, 9vw, 7.5rem) 0; }
.section-tight { padding: clamp(3rem, 6vw, 5rem) 0; }

.bg-white { background: var(--white-env); }
.bg-grey { background: var(--grey-light); }
.bg-dark {
  background: linear-gradient(160deg, var(--bg-deep) 0%, var(--petrol) 100%);
  color: var(--white-env);
}
.bg-forest {
  background: linear-gradient(150deg, var(--forest-dark) 0%, var(--forest-main) 60%, var(--petrol) 130%);
  color: var(--white-env);
}
.on-dark, .bg-dark, .bg-forest { color: var(--white-env); }
.on-dark h1, .on-dark h2, .on-dark h3, .bg-dark h1, .bg-dark h2, .bg-dark h3,
.bg-forest h1, .bg-forest h2, .bg-forest h3 { color: var(--white-env); }
.on-dark p, .bg-dark p, .bg-forest p { color: rgba(248,251,247,0.82); }

/* ---------- Topographic line background ---------- */
.topo-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.topo-bg svg { position: absolute; opacity: 0.14; }
.bg-dark .topo-bg svg, .bg-forest .topo-bg svg { opacity: 0.16; }
.topo-bg--hero svg { opacity: 0.22; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 1rem 1.85rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--green-hero);
  color: var(--bg-deep);
  box-shadow: 0 10px 30px -10px rgba(124, 190, 46, 0.55);
}
.btn-primary:hover { background: #8fce3d; box-shadow: 0 14px 34px -8px rgba(124, 190, 46, 0.65); }

.btn-outline {
  background: transparent;
  border-color: rgba(248,251,247,0.4);
  color: var(--white-env);
}
.btn-outline:hover { border-color: var(--white-env); background: rgba(248,251,247,0.08); }

.btn-outline-dark {
  background: transparent;
  border-color: rgba(7,30,26,0.25);
  color: var(--ink);
}
.btn-outline-dark:hover { border-color: var(--forest-main); background: rgba(3,98,51,0.06); }

.btn-ghost {
  background: transparent;
  color: var(--forest-main);
  padding: 0.4rem 0;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.92rem;
}
.btn-ghost::after { content: "\2192"; margin-left: 0.4em; transition: transform var(--dur-fast) var(--ease-out); display: inline-block; }
.btn-ghost:hover::after { transform: translateX(4px); }

.btn-whatsapp { background: #1f8a4a; color: #fff; }
.btn-whatsapp:hover { background: #23a157; }

.btn-block { width: 100%; }
.btn-sm { padding: 0.7rem 1.3rem; font-size: 0.76rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  padding: 1.1rem 0;
  transition: background var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out), padding var(--dur-med) var(--ease-out);
}
.site-header::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--bg-deep);
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease-out);
  z-index: -1;
}
.site-header.is-scrolled { padding: 0.7rem 0; box-shadow: 0 10px 30px -14px rgba(0,0,0,0.4); }
.site-header.is-scrolled::before { opacity: 0.96; backdrop-filter: blur(10px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand img { height: 46px; width: auto; transition: height var(--dur-fast) var(--ease-out); }
.site-header.is-scrolled .brand img { height: 38px; }
.brand-pill {
  background: rgba(248,251,247,0.94);
  border-radius: 999px;
  padding: 0.35rem 0.9rem 0.35rem 0.35rem;
  display: inline-flex;
  align-items: center;
}

.main-nav { display: flex; align-items: center; gap: clamp(1.1rem, 2vw, 1.9rem); }
.main-nav a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  color: rgba(248,251,247,0.82);
  position: relative;
  padding: 0.4rem 0.1rem;
}
.main-nav a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 2px;
  background: var(--green-hero);
  transition: right var(--dur-fast) var(--ease-out);
}
.main-nav a:hover, .main-nav a.is-active { color: var(--white-env); }
.main-nav a:hover::after, .main-nav a.is-active::after { right: 0; }

.header-cta { display: flex; align-items: center; gap: 0.9rem; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1.5px solid rgba(248,251,247,0.35);
  background: transparent;
  position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 12px; right: 12px; height: 2px; background: var(--white-env);
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.nav-toggle span { top: 50%; transform: translateY(-50%); }
.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { top: 0; transform: rotate(45deg); }
.nav-toggle.is-open span::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 960px) {
  .main-nav {
    position: fixed; inset: 0 0 0 auto; width: min(86vw, 380px);
    background: var(--bg-deep);
    flex-direction: column; align-items: flex-start;
    padding: 6.5rem 2rem 2rem;
    transform: translateX(100%);
    transition: transform var(--dur-med) var(--ease-out);
    gap: 1.6rem;
    overflow-y: auto;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav a { font-size: 1.15rem; }
  .header-cta .btn-primary { display: none; }
  .nav-toggle { display: block; }
  .main-nav .header-cta-mobile { margin-top: 1rem; display: block; }
}
.header-cta-mobile { display: none; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  position: relative;
  padding-top: 8rem;
  padding-bottom: 5rem;
  color: var(--white-env);
  overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0; z-index: -2;
  background:
    linear-gradient(180deg, rgba(7,30,26,0.55) 0%, rgba(7,30,26,0.35) 40%, rgba(4,22,18,0.92) 100%),
    linear-gradient(120deg, #0B3340 0%, #04592F 45%, #036233 75%, #2A7E2E 100%);
}
.hero-media .placeholder-tag { bottom: 1.2rem; right: 1.2rem; }
.hero-logo-mark {
  display: block;
  width: 220px;
  max-width: 60vw;
  height: auto;
  margin-bottom: 1rem;
}
.hero-content { position: relative; z-index: 2; max-width: 780px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: rgba(248,251,247,0.12);
  border: 1px solid rgba(248,251,247,0.25);
  backdrop-filter: blur(6px);
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.6rem;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green-hero); }
.hero h1 { margin-bottom: 1.3rem; }
.hero .hero-sub { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: rgba(248,251,247,0.85); max-width: 56ch; margin-bottom: 2.3rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero-scroll {
  position: absolute; right: var(--gutter); bottom: 2.2rem;
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(248,251,247,0.6);
  z-index: 2;
}
.hero-scroll .line { width: 1.5px; height: 46px; background: linear-gradient(rgba(248,251,247,0.7), transparent); animation: scrollpulse 2.2s ease-in-out infinite; }
@keyframes scrollpulse { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .hero-scroll .line { animation: none; } }

/* ---------- Placeholder media ---------- */
.placeholder-img {
  position: relative;
  background: linear-gradient(135deg, var(--grey-light) 0%, #d9e3da 100%);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  min-height: 220px;
}
.placeholder-img::before {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(3,98,51,0.06) 0 2px, transparent 2px 14px);
}
.placeholder-img .placeholder-icon { width: 34%; max-width: 64px; opacity: 0.35; position: relative; z-index: 1; }
.placeholder-tag {
  position: absolute; left: 1rem; bottom: 1rem;
  background: rgba(7,30,26,0.72);
  color: var(--white-env);
  font-size: 0.68rem;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  z-index: 2;
}
.placeholder-logo {
  background: var(--white-env);
  border: 1px solid var(--grey-light);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  min-height: 90px;
  color: var(--grey-tech);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  text-align: center;
  padding: 0.8rem;
}

/* ---------- Trust strip ---------- */
.trust-strip { padding: clamp(2.6rem, 5vw, 4rem) 0; background: var(--white-env); border-bottom: 1px solid var(--grey-light); }
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 220px));
  justify-content: start;
  gap: 1.4rem;
  margin-top: 2rem;
}
@media (max-width: 640px) { .trust-grid { justify-content: center; } }
.trust-logo { aspect-ratio: 16/8; }
.trust-logo-card {
  aspect-ratio: 16/8;
  background: var(--white-env);
  border: 1px solid var(--grey-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.2rem;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.trust-logo-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.trust-logo-card img { max-width: 100%; max-height: 100%; object-fit: contain; }
.trust-note { font-size: 0.86rem; color: var(--grey-tech); margin-top: 1.6rem; }

/* ---------- Problem / Solution ---------- */
.problem-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.problem-list { display: grid; gap: 0.9rem; margin-top: 1.6rem; }
.problem-item {
  display: flex; gap: 0.9rem; align-items: flex-start;
  padding: 1.1rem 1.3rem;
  background: var(--white-env);
  border: 1px solid var(--grey-light);
  border-radius: var(--radius-sm);
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.problem-item:hover { transform: translateX(6px); box-shadow: var(--shadow-card); border-color: rgba(3,98,51,0.25); }
.problem-item .ico { flex: none; width: 34px; height: 34px; border-radius: 50%; background: rgba(11,51,64,0.08); display: flex; align-items: center; justify-content: center; color: var(--petrol); }
.solution-card {
  background: var(--bg-deep);
  color: var(--white-env);
  border-radius: var(--radius-lg);
  padding: clamp(1.8rem, 3vw, 2.6rem);
  position: sticky; top: 7rem;
  overflow: hidden;
}
.solution-card::before { content:""; position:absolute; inset:0; background: radial-gradient(circle at 20% 0%, rgba(124,190,46,0.25), transparent 60%); }
.solution-card > * { position: relative; z-index: 1; }
.solution-card .steps { display: grid; gap: 0.85rem; margin: 1.4rem 0 1.7rem; }
.solution-card .steps li { display: flex; gap: 0.7rem; font-size: 0.92rem; color: rgba(248,251,247,0.85); align-items: flex-start; }
.solution-card .steps b { color: var(--green-hero); font-family: var(--font-display); }

/* ---------- Services grid ---------- */
.services-filter { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2.4rem; }
.chip {
  border: 1.5px solid var(--grey-light);
  background: var(--white-env);
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  transition: all var(--dur-fast) var(--ease-out);
}
.chip:hover { border-color: var(--forest-main); color: var(--forest-main); }
.chip.is-active { background: var(--forest-main); border-color: var(--forest-main); color: #fff; }

.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.6rem; }
.service-card {
  background: var(--white-env);
  border: 1px solid var(--grey-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-soft); }
.service-card .media { aspect-ratio: 4/3; overflow: hidden; }
.service-card .media .placeholder-img { border-radius: 0; height: 100%; min-height: 0; }
.media-photo { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--dur-med) var(--ease-out); }
.service-card:hover .media-photo { transform: scale(1.05); }
.photo-frame { border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 4/3; }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.photo-box { border-radius: var(--radius-md); overflow: hidden; }
.photo-box img { width: 100%; height: 100%; object-fit: cover; display: block; }
.service-card .body { padding: 1.5rem 1.6rem 1.8rem; display: flex; flex-direction: column; gap: 0.7rem; flex: 1; }
.service-card .ico-badge {
  width: 46px; height: 46px; border-radius: 12px;
  background: rgba(3,98,51,0.08);
  color: var(--forest-main);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.2rem;
}
.service-card h3 { font-size: 1.15rem; }
.service-card .benefit { font-size: 0.85rem; color: var(--forest-main); font-weight: 600; }
.service-card p { font-size: 0.92rem; color: var(--ink-soft); }
.service-card .btn-ghost { margin-top: auto; padding-top: 0.6rem; }

/* ---------- Grouped solutions (tabs) ---------- */
.solutions-tabs { display: grid; grid-template-columns: 280px 1fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.tabs-list { display: grid; gap: 0.7rem; position: sticky; top: 7rem; }
.tab-btn {
  text-align: left;
  padding: 1.1rem 1.3rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--grey-light);
  background: var(--white-env);
  display: flex; flex-direction: column; gap: 0.2rem;
  transition: all var(--dur-fast) var(--ease-out);
}
.tab-btn .tag { font-family: var(--font-display); font-weight: 800; font-size: 0.7rem; letter-spacing: 0.08em; color: var(--grey-tech); }
.tab-btn .name { font-family: var(--font-display); font-weight: 700; }
.tab-btn:hover { border-color: var(--forest-main); }
.tab-btn.is-active { background: var(--forest-main); border-color: var(--forest-main); color: #fff; }
.tab-btn.is-active .tag { color: rgba(255,255,255,0.7); }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fadein var(--dur-med) var(--ease-out); }
@keyframes fadein { from { opacity: 0; transform: translateY(10px);} to { opacity: 1; transform: translateY(0);} }
.tab-panel-card { background: var(--white-env); border: 1px solid var(--grey-light); border-radius: var(--radius-lg); padding: clamp(1.6rem, 3vw, 2.6rem); }
.tab-panel-card ul { display: grid; gap: 0.8rem; margin-top: 1.4rem; }
.tab-panel-card ul li { display: flex; gap: 0.7rem; align-items: flex-start; font-size: 0.98rem; }
.tab-panel-card ul li svg { flex: none; margin-top: 0.2rem; color: var(--forest-main); }

/* ---------- Differentiators ---------- */
.diff-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.3rem; }
.diff-card {
  padding: 1.7rem;
  border-radius: var(--radius-md);
  background: rgba(248,251,247,0.05);
  border: 1px solid rgba(248,251,247,0.12);
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.diff-card:hover { transform: translateY(-6px); background: rgba(248,251,247,0.09); }
.diff-card .num { font-family: var(--font-display); font-weight: 800; font-size: 0.78rem; color: var(--green-hero); letter-spacing: 0.06em; }
.diff-card h3 { margin: 0.6rem 0 0.5rem; font-size: 1.05rem; }
.diff-card p { font-size: 0.9rem; }

/* ---------- Counters ---------- */
.counters { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1.5rem; margin-top: 3rem; }
.counter-item { text-align: center; }
.counter-item .num { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.4rem, 5vw, 3.4rem); color: var(--green-hero); line-height: 1; }
.counter-item .label { margin-top: 0.6rem; font-size: 0.85rem; color: rgba(248,251,247,0.7); }

/* ---------- Timeline ---------- */
.timeline { position: relative; margin-top: 3rem; }
.timeline-track { position: relative; }
.timeline-list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(230px, 1fr);
  gap: 1.4rem;
  overflow-x: auto;
  padding: 0.5rem 0.2rem 1.6rem;
  scroll-snap-type: x proximity;
}
.timeline-list::-webkit-scrollbar { height: 6px; }
.timeline-list::-webkit-scrollbar-thumb { background: var(--grey-light); border-radius: 3px; }
.timeline-step {
  scroll-snap-align: start;
  background: var(--white-env);
  border: 1px solid var(--grey-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  position: relative;
}
.timeline-step .step-num {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--forest-main); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800;
  margin-bottom: 1rem;
}
.timeline-step h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.timeline-step p { font-size: 0.88rem; color: var(--ink-soft); }
.timeline-cta { text-align: center; margin-top: 2.4rem; }

/* ---------- Projects ---------- */
.project-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--white-env);
  border: 1px solid var(--grey-light);
  transition: box-shadow var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}
.project-card:hover { box-shadow: var(--shadow-soft); transform: translateY(-6px); }
.project-card .media { aspect-ratio: 5/4; position: relative; overflow: hidden; }
.project-card:hover .media-photo { transform: scale(1.05); }
.project-card .body { padding: 1.4rem 1.5rem 1.7rem; }
.project-card .meta { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.8rem; }
.project-card .meta span {
  font-size: 0.68rem; font-family: var(--font-display); font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  background: rgba(3,98,51,0.08); color: var(--forest-main); padding: 0.32rem 0.6rem; border-radius: 999px;
}
.project-card h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.project-card .loc { font-size: 0.85rem; color: var(--grey-tech); margin-bottom: 0.8rem; }
.project-card dl { display: grid; grid-template-columns: auto 1fr; gap: 0.3rem 0.7rem; font-size: 0.85rem; margin-bottom: 0.9rem; }
.project-card dt { color: var(--grey-tech); }
.project-card dd { margin: 0; font-weight: 600; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.6rem; }
.project-card[hidden] { display: none; }

/* ---------- Before / After slider ---------- */
.ba-slider {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 900px;
  margin: 2.6rem auto 0;
  box-shadow: var(--shadow-soft);
  user-select: none;
  touch-action: pan-y;
}
.ba-slider .ba-before, .ba-slider .ba-after {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background-size: cover;
  background-position: center;
}
.ba-slider .ba-after { clip-path: inset(0 0 0 50%); }
.ba-slider .ba-label {
  position: absolute; top: 1rem; font-family: var(--font-display); font-weight: 700; font-size: 0.72rem;
  letter-spacing: 0.06em; text-transform: uppercase; color: #fff;
  background: rgba(7,30,26,0.55); padding: 0.4rem 0.8rem; border-radius: 999px;
}
.ba-slider .ba-label.before { left: 1rem; }
.ba-slider .ba-label.after { right: 1rem; }
.ba-handle {
  position: absolute; top: 0; bottom: 0; left: 50%;
  width: 3px; background: #fff;
  transform: translateX(-50%);
  cursor: ew-resize;
}
.ba-handle .grip {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 46px; height: 46px; border-radius: 50%; background: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  color: var(--forest-main);
}
.ba-caption { text-align: center; margin-top: 1.4rem; font-family: var(--font-display); font-weight: 700; color: var(--forest-main); }

/* ---------- Sectors ---------- */
.sectors-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 1.1rem; }
.sector-card {
  padding: 1.5rem 1.4rem;
  border-radius: var(--radius-md);
  background: var(--white-env);
  border: 1px solid var(--grey-light);
  display: flex; flex-direction: column; gap: 0.9rem;
  transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.sector-card:hover { transform: translateY(-5px); border-color: var(--forest-main); }
.sector-card .ico { width: 42px; height: 42px; color: var(--forest-main); }
.sector-card h3 { font-size: 1rem; }

/* ---------- Evidence ---------- */
.evidence-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1.1rem; }

/* ---------- Testimonials ---------- */
.testimonial-card {
  background: var(--white-env);
  border: 1px solid var(--grey-light);
  border-radius: var(--radius-lg);
  padding: clamp(1.8rem, 3vw, 2.4rem);
  position: relative;
}
.testimonial-card .quote-mark { font-family: var(--font-display); font-size: 3.5rem; color: rgba(3,98,51,0.15); line-height: 1; margin-bottom: 0.4rem; }
.testimonial-card p.quote { font-size: 1.05rem; color: var(--ink-soft); font-style: italic; margin-bottom: 1.5rem; }
.testimonial-card .person { display: flex; align-items: center; gap: 0.9rem; }
.testimonial-card .avatar { width: 46px; height: 46px; border-radius: 50%; background: var(--white-env); border: 1px solid var(--grey-light); flex: none; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.testimonial-card .avatar img { width: 100%; height: 100%; object-fit: contain; padding: 5px; }
.testimonial-card .name { font-family: var(--font-display); font-weight: 700; font-size: 0.92rem; }
.testimonial-card .role { font-size: 0.8rem; color: var(--grey-tech); }
.testimonial-card.pending { text-align: center; color: var(--grey-tech); font-style: italic; }
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.4rem; }

/* ---------- Final CTA ---------- */
.final-cta { text-align: center; }
.final-cta h2 { max-width: 20ch; margin-inline: auto; }
.final-cta .section-lead { margin-inline: auto; margin-top: 1rem; margin-bottom: 2.2rem; }
.final-cta .hero-actions { justify-content: center; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 0.9rem; }
.faq-item { border: 1px solid var(--grey-light); border-radius: var(--radius-sm); background: var(--white-env); overflow: hidden; }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.2rem 1.4rem; background: none; border: none; text-align: left;
  font-family: var(--font-display); font-weight: 700; font-size: 1rem; color: var(--ink);
}
.faq-q .plus { flex: none; width: 22px; height: 22px; position: relative; }
.faq-q .plus::before, .faq-q .plus::after { content:""; position:absolute; background: var(--forest-main); border-radius: 2px; }
.faq-q .plus::before { top: 50%; left: 0; right: 0; height: 2px; transform: translateY(-50%); }
.faq-q .plus::after { left: 50%; top: 0; bottom: 0; width: 2px; transform: translateX(-50%); transition: transform var(--dur-fast) var(--ease-out); }
.faq-item.is-open .plus::after { transform: translateX(-50%) rotate(90deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height var(--dur-med) var(--ease-out); }
.faq-a-inner { padding: 0 1.4rem 1.3rem; font-size: 0.94rem; color: var(--ink-soft); }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-deep); color: rgba(248,251,247,0.75); padding: clamp(3.5rem, 7vw, 5.5rem) 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(248,251,247,0.1); }
.footer-brand img { height: 44px; margin-bottom: 1.1rem; }
.footer-brand p { font-size: 0.9rem; max-width: 32ch; }
.footer-social { display: flex; gap: 0.7rem; margin-top: 1.4rem; }
.footer-social a { width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(248,251,247,0.2); display: flex; align-items: center; justify-content: center; transition: background var(--dur-fast) var(--ease-out); }
.footer-social a:hover { background: rgba(248,251,247,0.1); }
.footer-col h4 { font-family: var(--font-display); font-size: 0.82rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--white-env); margin-bottom: 1.2rem; }
.footer-col ul { display: grid; gap: 0.7rem; }
.footer-col a { font-size: 0.9rem; transition: color var(--dur-fast) var(--ease-out); }
.footer-col a:hover { color: var(--white-env); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-top: 1.8rem; font-size: 0.8rem; }
.footer-legal { display: flex; gap: 1.4rem; flex-wrap: wrap; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 400;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px -8px rgba(0,0,0,0.4);
  transition: transform var(--dur-fast) var(--ease-out);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; }

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-scale { opacity: 0; transform: scale(0.96); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal-scale.is-visible { opacity: 1; transform: scale(1); }
.stagger > * { transition-delay: calc(var(--i, 0) * 90ms); }
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-scale { opacity: 1; transform: none; transition: none; }
}

/* ---------- Breadcrumb / page hero (internal pages) ---------- */
.page-hero { padding-top: 9.5rem; padding-bottom: 4rem; }
.breadcrumb { display: flex; gap: 0.5rem; font-size: 0.82rem; color: rgba(248,251,247,0.6); margin-bottom: 1.4rem; }
.breadcrumb a:hover { color: var(--white-env); }

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0 !important; }
.text-center { text-align: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 860px) { .grid-2, .grid-3, .problem-grid, .solutions-tabs { grid-template-columns: 1fr; } .solution-card { position: static; } .tabs-list { position: static; flex-direction: row; overflow-x: auto; } }
@media (max-width: 640px) { .grid-3 { grid-template-columns: 1fr; } }

/* ---------- Forms ---------- */
.form-card { background: var(--white-env); border: 1px solid var(--grey-light); border-radius: var(--radius-lg); padding: clamp(1.6rem, 3vw, 2.8rem); box-shadow: var(--shadow-card); }
.field { display: grid; gap: 0.5rem; margin-bottom: 1.3rem; }
.field label { font-family: var(--font-display); font-weight: 700; font-size: 0.85rem; }
.field .hint { font-size: 0.78rem; color: var(--grey-tech); }
.field input, .field select, .field textarea {
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--grey-light);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--forest-main); box-shadow: 0 0 0 4px rgba(3,98,51,0.12); outline: none;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #c94040; }
.field-error { display: none; color: #c94040; font-size: 0.78rem; }
.field.has-error .field-error { display: block; }
.checkbox-field { display: flex; gap: 0.7rem; align-items: flex-start; }
.checkbox-field input { margin-top: 0.2rem; }
.checkbox-field label { font-weight: 400; font-size: 0.86rem; font-family: var(--font-body); }

.upload-drop {
  border: 2px dashed var(--grey-light);
  border-radius: var(--radius-sm);
  padding: 1.6rem; text-align: center;
  color: var(--grey-tech); font-size: 0.88rem;
  transition: border-color var(--dur-fast) var(--ease-out);
  cursor: pointer;
}
.upload-drop.is-dragover, .upload-drop:hover { border-color: var(--forest-main); color: var(--forest-main); }
.upload-list { display: grid; gap: 0.4rem; margin-top: 0.8rem; font-size: 0.82rem; }

.stepper { display: flex; gap: 0.5rem; margin-bottom: 2.2rem; }
.stepper .step { flex: 1; height: 4px; border-radius: 2px; background: var(--grey-light); position: relative; }
.stepper .step.is-done, .stepper .step.is-active { background: var(--forest-main); }
.step-labels { display: flex; justify-content: space-between; margin-bottom: 0.6rem; font-size: 0.72rem; font-family: var(--font-display); font-weight: 700; color: var(--grey-tech); text-transform: uppercase; letter-spacing: 0.03em; }
.step-labels .is-current { color: var(--forest-main); }

.form-step { display: none; }
.form-step.is-active { display: block; animation: fadein var(--dur-med) var(--ease-out); }
.form-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.6rem; }

.option-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.8rem; }
.option-card {
  border: 1.5px solid var(--grey-light); border-radius: var(--radius-sm); padding: 1rem 1.1rem;
  cursor: pointer; display: flex; align-items: center; gap: 0.7rem; font-size: 0.9rem; font-weight: 600;
  transition: all var(--dur-fast) var(--ease-out);
}
.option-card input { accent-color: var(--forest-main); }
.option-card:has(input:checked) { border-color: var(--forest-main); background: rgba(3,98,51,0.05); }

.form-state { display: none; text-align: center; padding: 2rem 0; }
.form-state.is-active { display: block; }
.form-state .ico-circle { width: 72px; height: 72px; border-radius: 50%; margin: 0 auto 1.4rem; display: flex; align-items: center; justify-content: center; }
.form-state.success .ico-circle { background: rgba(3,98,51,0.1); color: var(--forest-main); }
.form-state.error .ico-circle { background: rgba(201,64,64,0.1); color: #c94040; }
.form-state.loading .ico-circle { background: rgba(3,98,51,0.1); color: var(--forest-main); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .form-state.loading .ico-circle { animation: none; } }

/* ---------- Contact split ---------- */
.contact-info-card { background: var(--bg-deep); color: var(--white-env); border-radius: var(--radius-lg); padding: clamp(1.8rem, 3vw, 2.6rem); }
.contact-info-list { display: grid; gap: 1.4rem; margin-top: 1.8rem; }
.contact-info-list .row { display: flex; gap: 1rem; align-items: flex-start; }
.contact-info-list .ico { width: 40px; height: 40px; border-radius: 10px; background: rgba(124,190,46,0.15); color: var(--green-hero); display: flex; align-items: center; justify-content: center; flex: none; }
.contact-info-list .label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; color: rgba(248,251,247,0.55); }
.contact-info-list .value { font-weight: 600; }
.map-placeholder { aspect-ratio: 16/9; border-radius: var(--radius-md); margin-top: 1.8rem; }

.projects-map {
  height: 460px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 1.8rem;
  text-align: left;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--grey-light);
}
.map-note { font-size: 0.82rem; color: var(--grey-tech); margin-top: 1.2rem; max-width: 70ch; margin-inline: auto; }
.map-pin span {
  display: block;
  width: 20px; height: 20px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  background: var(--forest-main);
  border: 2px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.35);
}
.leaflet-popup-content-wrapper { border-radius: var(--radius-sm); font-family: var(--font-body); }
.leaflet-popup-content { font-size: 0.86rem; line-height: 1.5; }
@media (max-width: 640px) { .projects-map { height: 360px; } }

/* ---------- Blog ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.6rem; }
.blog-card { background: var(--white-env); border: 1px solid var(--grey-light); border-radius: var(--radius-md); overflow: hidden; transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out); }
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.blog-card .media { aspect-ratio: 16/10; }
.blog-card .body { padding: 1.4rem 1.5rem 1.7rem; }
.blog-card .cat { font-size: 0.7rem; font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--forest-main); margin-bottom: 0.6rem; display: block; }
.blog-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.blog-card p { font-size: 0.88rem; color: var(--ink-soft); }
.blog-card .date { font-size: 0.78rem; color: var(--grey-tech); margin-top: 0.9rem; }

/* ---------- Comparison table ---------- */
.compare-table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--grey-light); }
table.compare { width: 100%; border-collapse: collapse; min-width: 640px; }
table.compare th, table.compare td { padding: 1rem 1.3rem; text-align: left; font-size: 0.9rem; border-bottom: 1px solid var(--grey-light); }
table.compare thead th { background: var(--bg-deep); color: #fff; font-family: var(--font-display); }
table.compare tbody tr:nth-child(even) { background: var(--grey-light); }
table.compare td.yes { color: var(--forest-main); font-weight: 700; }

/* ---------- Misc badges ---------- */
.badge-list { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.4rem; }
.badge-pill { font-size: 0.78rem; font-weight: 600; padding: 0.4rem 0.85rem; border-radius: 999px; background: rgba(3,98,51,0.08); color: var(--forest-main); }

/* ---------- Print ---------- */
@media print { .site-header, .wa-float, .site-footer { display: none; } }