/* ============================================================
   Ydrogenio — Landing page styles
   System: deep forest + lime, off-white canvas, editorial type
   ============================================================ */

:root {
  --ink:           #0B1410;
  --ink-2:         #1d2a23;
  --ink-mute:      #5a665e;
  --paper:         #F4F2EC;
  --paper-warm:    #ECE9DF;
  --line:          rgba(11, 20, 16, 0.10);
  --line-strong:   rgba(11, 20, 16, 0.18);

  --forest:        #015254;
  --forest-2:      #013E40;
  --forest-3:      #002A2C;
  --moss:          #2E7173;
  --teal-soft:     #B7D6D6;
  --lime:          #7DC8CA;
  --lime-2:        #5FB6B8;
  --cream-accent:  #EFE8D6;

  --radius-xl:     28px;
  --radius-lg:     20px;
  --radius-md:     14px;
  --radius-sm:     10px;
  --radius-pill:   999px;

  --shadow-soft:   0 1px 2px rgba(11,20,16,.04), 0 6px 24px rgba(11,20,16,.06);
  --shadow-card:   0 1px 1px rgba(11,20,16,.04), 0 18px 40px -12px rgba(11,20,16,.18);

  --font-sans:     "Plus Jakarta Sans", ui-sans-serif, -apple-system, "Segoe UI", system-ui, sans-serif;
  --font-serif:    "Instrument Serif", "Iowan Old Style", "Apple Garamond", Georgia, serif;
  --font-mono:     "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

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

/* skip-link for keyboard users */
.skip-link {
  position: absolute;
  left: 12px;
  top: -100px;
  z-index: 1000;
  background: var(--forest);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: top .2s;
}
.skip-link:focus { top: 12px; outline: 2px solid var(--lime); outline-offset: 2px; }

/* visible focus for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 2px;
  border-radius: 4px;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "ss02", "cv11";
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ---------- container ---------- */
.wrap {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 720px) { .wrap { padding: 0 20px; } }

/* ---------- helpers ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
}
.eyebrow .dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--forest);
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: middle;
  box-shadow: 0 0 0 4px rgba(1, 82, 84, 0.14);
}

.serif-em { font-family: var(--font-serif); font-style: italic; font-weight: 400; letter-spacing: -0.01em; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 52px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: -0.005em;
  transition: transform .25s ease, background .25s ease, color .25s ease, box-shadow .25s ease;
  white-space: nowrap;
}
.btn .arrow {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(11,20,16,.08);
  transition: transform .35s cubic-bezier(.2,.7,.2,1), background .25s;
}
.btn:hover .arrow { transform: translateX(3px) rotate(-8deg); }

.btn-primary {
  background: var(--forest);
  color: #fff;
  box-shadow: 0 8px 22px -8px rgba(1, 82, 84, .45), inset 0 -1px 0 rgba(0,0,0,.18);
}
.btn-primary .arrow { background: rgba(255,255,255,.16); color: #fff; }
.btn-primary:hover { background: var(--forest-2); transform: translateY(-1px); }
.btn-primary:hover .arrow { background: var(--cream-accent); color: var(--forest); }

.btn-dark {
  background: var(--forest);
  color: var(--paper);
}
.btn-dark .arrow { background: rgba(255,255,255,.14); color: var(--lime); }
.btn-dark:hover { background: var(--forest-2); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-ghost:hover .arrow { background: var(--lime); color: var(--forest); }

.btn-light {
  background: rgba(255,255,255,.92);
  color: var(--forest);
  backdrop-filter: blur(8px);
}
.btn-light .arrow { background: var(--forest); color: var(--paper); }
.btn-light:hover { background: #fff; transform: translateY(-1px); }

/* ---------- header ---------- */
.hdr {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  transition: padding .35s ease, background .35s ease;
  padding: 20px 0;
}
.hdr.scrolled { padding: 10px 0; }
.hdr-inner {
  display: flex; align-items: center; gap: 14px;
  background: rgba(244, 242, 236, 0.72);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(11,20,16,.06);
  border-radius: 999px;
  padding: 10px 12px 10px 22px;
  box-shadow: 0 4px 24px -10px rgba(11,20,16,.18);
  transition: all .35s ease;
}
.hdr.scrolled .hdr-inner {
  background: rgba(244, 242, 236, 0.92);
}
.hdr-brand {
  display: flex; align-items: center; gap: 10px;
  margin-right: auto;
}
.hdr-brand img {
  height: 40px; width: auto; display: block;
  transition: opacity .2s;
}
.hdr-brand:hover img { opacity: .8; }
.brand-mark {
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--forest);
}
.brand-mark svg { width: 100%; height: 100%; display: block; }
.hdr-nav {
  display: flex; align-items: center; gap: 4px;
}
.hdr-nav a {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink);
  transition: background .2s;
  white-space: nowrap;
}
.hdr-nav a:hover { background: rgba(11,20,16,.06); }
.hdr-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--forest);
  color: var(--paper);
  height: 40px; padding: 0 16px 0 18px;
  border-radius: 999px;
  font-size: 13.5px; font-weight: 600;
  transition: background .25s, transform .25s;
}
.hdr-cta:hover { background: var(--forest-2); transform: translateY(-1px); }
.hdr-cta::after {
  content: "→"; display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--cream-accent); color: var(--forest);
  font-size: 12px; font-weight: 700;
}
.menu-toggle {
  display: none;
  appearance: none;
  border: 0;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--forest);
  color: var(--paper);
  align-items: center; justify-content: center;
}
.menu-toggle span {
  display: block;
  width: 16px; height: 1.5px; background: var(--paper);
  position: relative;
}
.menu-toggle span::before,
.menu-toggle span::after {
  content: ""; position: absolute; left: 0; width: 16px; height: 1.5px;
  background: var(--paper); transition: transform .25s;
}
.menu-toggle span::before { top: -5px; }
.menu-toggle span::after  { top: 5px; }
.menu-toggle.open span { background: transparent; }
.menu-toggle.open span::before { transform: translateY(5px) rotate(45deg); }
.menu-toggle.open span::after  { transform: translateY(-5px) rotate(-45deg); }

/* mobile sheet */
.mobile-sheet {
  position: fixed; inset: 0; z-index: 90;
  background: var(--paper);
  padding: 100px 28px 40px;
  display: flex; flex-direction: column; gap: 4px;
  transform: translateY(-100%);
  transition: transform .4s cubic-bezier(.2,.7,.2,1);
}
.mobile-sheet.open { transform: translateY(0); }
@media (min-width: 921px) { .mobile-sheet { display: none; } }
.mobile-sheet a {
  font-family: var(--font-serif);
  font-size: 40px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-style: italic;
}

@media (max-width: 920px) {
  .hdr-nav, .hdr-cta { display: none; }
  .menu-toggle { display: inline-flex; }
}

/* ============ HERO ============ */
.hero {
  padding-top: 110px;
  position: relative;
}
.hero-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 720px;
  background: #0b1410;
  isolation: isolate;
}
.hero-media {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  transition: transform 1.2s ease;
}
.hero-frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(11,20,16,.15) 0%, rgba(11,20,16,0) 30%, rgba(11,20,16,0) 55%, rgba(11,20,16,.7) 100%),
    linear-gradient(90deg, rgba(11,20,16,.5) 0%, rgba(11,20,16,0) 45%);
}
.hero-watermark {
  position: absolute;
  left: 0; right: 0;
  top: 36px;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(80px, 14vw, 220px);
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: rgba(255,255,255,.13);
  pointer-events: none;
  user-select: none;
  z-index: 1;
  mix-blend-mode: overlay;
  white-space: nowrap;
  overflow: hidden;
}
/* hero content single-column variant */
.hero-content.single { grid-template-columns: 1fr !important; }
.hero-content.single .hero-left { max-width: 820px; }

.hero-content {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 48px clamp(28px, 5vw, 64px);
  z-index: 2;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: end;
  color: var(--paper);
}
.hero-h1 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(48px, 7.2vw, 112px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin: 0 0 22px;
  color: #fff;
}
.hero-h1 .serif-em {
  font-size: 1.05em;
  letter-spacing: -0.03em;
  color: var(--teal-soft);
}
.hero-sub {
  max-width: 520px;
  font-size: 17px;
  line-height: 1.5;
  color: rgba(244,242,236,.85);
  margin: 0 0 28px;
}
.hero-ctas {
  display: flex; gap: 12px; flex-wrap: wrap;
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-self: end;
  width: 100%;
  max-width: 360px;
}
.kpi-card {
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  color: #fff;
}
.kpi-card .k { font-family: var(--font-serif); font-size: 44px; line-height: 1; letter-spacing: -0.02em; }
.kpi-card .k .small { font-size: 22px; opacity: .8; }
.kpi-card .lbl { font-size: 12.5px; opacity: .8; margin-top: 6px; }
.kpi-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* hero floating badge row */
.hero-badges {
  position: absolute;
  top: 36px; right: 36px;
  z-index: 3;
  display: flex; gap: 8px;
  flex-wrap: wrap;
  max-width: 60%;
  justify-content: flex-end;
}
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px 8px 10px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  color: #fff;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  white-space: nowrap;
}
.badge .pin {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--cream-accent);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--forest);
  font-size: 10px; font-weight: 800;
}
.badge.dark { background: rgba(14, 42, 30, .85); border-color: rgba(255,255,255,.1); }

/* floating photo card on hero */
.hero-thumb {
  position: absolute;
  right: 36px;
  bottom: 250px;
  width: 190px; height: 120px;
  border-radius: 18px;
  overflow: hidden;
  z-index: 3;
  border: 4px solid rgba(255,255,255,.4);
  box-shadow: 0 18px 40px -10px rgba(0,0,0,.45);
  background-size: cover; background-position: center;
  transform: rotate(-3deg);
}
.hero-pin {
  position: absolute;
  z-index: 4;
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(14, 42, 30, .9);
  color: #fff;
  padding: 8px 14px 8px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid rgba(255,255,255,.12);
}
.hero-pin .pin {
  width: 8px; height: 8px; border-radius: 50%; background: var(--lime);
  box-shadow: 0 0 0 4px rgba(125, 200, 202, .30);
}
.hero-pin.p1 { top: 42%; left: 22%; }
.hero-pin.p2 { top: 28%; left: 48%; }

@media (max-width: 860px) {
  .hero-frame { min-height: 640px; }
  .hero-content { grid-template-columns: 1fr; gap: 28px; }
  .hero-side { max-width: 100%; justify-self: stretch; }
  .hero-thumb { display: none; }
  .hero-badges { display: none; }
  .hero-pin { display: none; }
  .hero-watermark { font-size: 80px; }
}

/* ============ INTRO ============ */
.intro { padding: 120px 0 80px; }
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}
.intro-eyebrow {
  position: sticky; top: 120px;
}
.intro-h2 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(32px, 4.2vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 28px;
  text-wrap: pretty;
}
.intro-h2 .serif-em { color: var(--moss); }
.intro-h2 .hl {
  background: linear-gradient(180deg, transparent 62%, var(--teal-soft) 62%);
  padding: 0 2px;
}
.intro-p {
  font-size: 17.5px;
  color: var(--ink-mute);
  line-height: 1.6;
  max-width: 620px;
  margin: 0 0 36px;
}
.intro-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.intro-meta div .n {
  font-family: var(--font-serif);
  font-size: 42px;
  line-height: 1;
  letter-spacing: -0.02em;
}
.intro-meta div .l {
  font-size: 13px;
  color: var(--ink-mute);
  margin-top: 6px;
}
@media (max-width: 860px) {
  .intro { padding: 80px 0 40px; }
  .intro-grid { grid-template-columns: 1fr; gap: 24px; }
  .intro-eyebrow { position: static; }
}

/* ============ SUPPORT (image cards) ============ */
.s-card.has-media {
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 460px;
}
.s-card.has-media .media {
  height: 220px;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  transition: transform .8s ease;
  flex-shrink: 0;
}
.s-card.has-media:hover .media { transform: scale(1.04); }
.s-card.has-media .body {
  display: flex;
  flex-direction: column;
  padding: 24px 28px 28px;
  flex: 1;
}
.s-card.feature.has-media .media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(1,82,84,.0) 40%, rgba(1,82,84,.5) 100%);
}

/* ============ SUPPORT (3 cards) ============ */
.support { padding: 60px 0 120px; }
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; margin-bottom: 40px;
}
.section-head h2 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(36px, 4.8vw, 64px);
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 14px 0 0;
  max-width: 760px;
}
.section-head h2 .serif-em { color: var(--moss); }
.section-head .right { color: var(--ink-mute); max-width: 320px; font-size: 14.5px; line-height: 1.5; }
@media (max-width: 720px) {
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 980px) { .support-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 680px) { .support-grid { grid-template-columns: 1fr; } }

.s-card {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  min-height: 420px;
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, background .35s ease;
}
.s-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.s-card .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.s-card .ico {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--paper-warm);
  display: inline-flex; align-items: center; justify-content: center;
  margin: 18px 0 24px;
  color: var(--forest);
  transition: background .35s, color .35s;
}
.s-card:hover .ico { background: var(--forest); color: var(--cream-accent); }
.s-card h3 {
  font-family: var(--font-sans);
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  font-weight: 600;
}
.s-card p {
  color: var(--ink-mute);
  font-size: 14.5px;
  line-height: 1.55;
  margin: 0 0 20px;
}
.s-card .more {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600;
  color: var(--forest);
}
.s-card .more .arrow {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--paper-warm);
  display: inline-flex; align-items: center; justify-content: center;
  transform: rotate(-45deg);
  transition: transform .35s cubic-bezier(.2,.7,.2,1), background .3s, color .3s;
}
.s-card:hover .more .arrow { background: var(--forest); color: var(--lime); transform: rotate(0deg); }

.s-card.feature {
  background: var(--forest);
  color: var(--paper);
  border-color: var(--forest);
}
.s-card.feature h3, .s-card.feature .num { color: var(--paper); }
.s-card.feature p { color: rgba(244,242,236,.7); }
.s-card.feature .ico { background: rgba(255,255,255,.08); color: var(--cream-accent); }
.s-card.feature:hover .ico { background: var(--cream-accent); color: var(--forest); }
.s-card.feature .more { color: var(--cream-accent); }
.s-card.feature .more .arrow { background: rgba(255,255,255,.12); color: var(--cream-accent); }

.s-card .deco {
  position: absolute;
  right: -40px; bottom: -40px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(1, 82, 84, .14), transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .4s;
}
.s-card:hover .deco { opacity: 1; }

/* ============ CAPABILITIES ============ */
.cap {
  padding: 100px 0;
  background: var(--forest);
  color: var(--paper);
  border-radius: var(--radius-xl);
  margin: 0 0 0;
}
.cap-wrap { padding: 0 clamp(28px, 5vw, 64px); }
.cap .section-head h2 { color: var(--paper); }
.cap .section-head .right { color: rgba(244,242,236,.65); }
.cap .eyebrow { color: rgba(244,242,236,.7); }

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (max-width: 980px) { .cap-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 680px) { .cap-grid { grid-template-columns: 1fr; } }

.cap-cell {
  padding: 36px 30px;
  background: var(--forest);
  display: flex; flex-direction: column; gap: 16px;
  min-height: 240px;
  transition: background .3s;
  cursor: default;
}
.cap-cell:hover { background: var(--forest-2); }
.cap-cell .ico { color: var(--cream-accent); }
.cap-cell h4 {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0;
  line-height: 1.15;
}
.cap-cell p {
  color: rgba(244,242,236,.7);
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
}
.cap-cell .tag {
  margin-top: auto;
  display: inline-flex; align-items: center;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(244,242,236,.55);
}

/* ============ PROCESS ============ */
.process { padding: 120px 0; }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 50px;
  position: relative;
}
@media (max-width: 980px) { .process-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 580px) { .process-grid { grid-template-columns: 1fr; } }

.p-step {
  position: relative;
  padding: 28px 24px 32px;
  border-radius: var(--radius-lg);
  background: var(--paper-warm);
  border: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 14px;
  min-height: 260px;
  transition: transform .35s, background .35s;
}
.p-step:hover { background: #fff; transform: translateY(-3px); }
.p-step .pn {
  font-family: var(--font-serif);
  font-size: 80px;
  line-height: 0.8;
  letter-spacing: -0.04em;
  color: var(--forest);
  font-style: italic;
}
.p-step .pn .dot {
  display: inline-block; width: 8px; height: 8px;
  background: var(--moss); border-radius: 50%;
  vertical-align: top; margin-left: -4px; margin-top: 8px;
}
.p-step h4 {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0;
}
.p-step p {
  color: var(--ink-mute);
  font-size: 14px;
  margin: 0;
  line-height: 1.55;
}
.p-step .kw {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--forest);
}

/* ============ IMPACT ============ */
.impact {
  padding: 100px 0;
  background: var(--paper-warm);
}
.impact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
  margin-top: 40px;
}
@media (max-width: 980px) { .impact-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 580px) { .impact-grid { grid-template-columns: 1fr; } }

.imp {
  border-radius: var(--radius-lg);
  padding: 30px;
  border: 1px solid var(--line);
  background: #fff;
  display: flex; flex-direction: column;
  min-height: 200px;
  transition: transform .35s;
}
.imp:hover { transform: translateY(-3px); }
.imp .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.imp .v {
  font-family: var(--font-serif);
  font-size: clamp(44px, 5vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin-top: 14px;
  color: var(--forest);
}
.imp.dark { background: var(--forest); color: var(--paper); border-color: var(--forest); }
.imp.dark .lbl { color: rgba(244,242,236,.65); }
.imp.dark .v { color: var(--cream-accent); }
.imp .desc {
  margin-top: auto;
  color: var(--ink-mute);
  font-size: 14px;
  padding-top: 18px;
}
.imp.dark .desc { color: rgba(244,242,236,.7); }
.imp.wide { grid-column: span 2; }
@media (max-width: 980px) { .imp.wide { grid-column: span 2; } }
@media (max-width: 580px) { .imp.wide { grid-column: span 1; } }

.imp.image {
  background-size: cover; background-position: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.imp.image::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,20,16,.1) 0%, rgba(11,20,16,.8) 100%);
}
.imp.image > * { position: relative; }
.imp.image .lbl { color: rgba(255,255,255,.75); }
.imp.image .v { color: #fff; }
.imp.image .desc { color: rgba(255,255,255,.85); }

/* lang switcher */
.lang {
  display: inline-flex;
  align-items: center;
  background: rgba(11,20,16,.04);
  border-radius: 999px;
  padding: 3px;
  margin: 0 6px;
  border: 1px solid rgba(11,20,16,.06);
}
.lang button {
  appearance: none;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 5px 10px;
  border-radius: 999px;
  color: var(--ink-mute);
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.lang button.active {
  background: var(--forest);
  color: #fff;
}
.lang button:not(.active):hover { color: var(--ink); }
.mobile-lang {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.mobile-lang button {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: transparent;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 999px;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
}
.mobile-lang button.active {
  background: var(--forest);
  color: #fff;
  border-color: var(--forest);
}

/* ============ CONTACT ============ */
.contact { padding: 120px 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 920px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}
.contact h2 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(40px, 5.5vw, 84px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 14px 0 28px;
}
.contact h2 .serif-em { color: var(--moss); }
.contact .sub { color: var(--ink-mute); font-size: 17px; line-height: 1.55; max-width: 480px; }

.contact-info {
  margin-top: 32px;
  display: flex; flex-direction: column; gap: 18px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.contact-info .row { display: flex; gap: 16px; align-items: flex-start; }
.contact-info .row .ico {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--paper-warm);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--forest);
  flex-shrink: 0;
}
.contact-info .row .lbl { font-size: 12px; color: var(--ink-mute); font-family: var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; }
.contact-info .row .v { font-size: 15px; margin-top: 2px; }

.form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 36px;
  display: flex; flex-direction: column; gap: 18px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.field label .req { color: var(--moss); margin-left: 4px; }
.field input, .field textarea {
  font: inherit;
  font-size: 15px;
  padding: 14px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--paper);
  color: var(--ink);
  transition: border-color .2s, background .2s, box-shadow .2s;
  resize: none;
  font-family: var(--font-sans);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--moss);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(31,82,56,.08);
}
.field textarea { min-height: 120px; }
.field.error input, .field.error textarea {
  border-color: #b8412e;
  background: rgba(184,65,46,.04);
}
.field .err {
  font-size: 12px;
  color: #b8412e;
  margin-top: 2px;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 580px) { .field-row { grid-template-columns: 1fr; } }

.form-foot {
  display: flex; flex-direction: column; gap: 14px;
  margin-top: 6px;
}
.form-foot .note {
  font-size: 11.5px;
  color: var(--ink-mute);
  line-height: 1.5;
}
.form button {
  align-self: flex-start;
  min-width: 180px;
  justify-content: center;
}
.form .success {
  padding: 16px; border-radius: 12px;
  background: rgba(31,82,56,.08);
  color: var(--forest);
  font-size: 14px;
  display: flex; align-items: center; gap: 10px;
}

/* ============ FOOTER ============ */
.foot {
  background:
    linear-gradient(180deg, rgba(255,255,255,.04) 0%, rgba(255,255,255,0) 40%, rgba(0,0,0,.18) 100%),
    linear-gradient(180deg, #2b3e3f 0%, #1f3031 55%, #152425 100%);
  color: var(--paper);
  padding: 80px 0 28px;
  position: relative;
  overflow: hidden;
}
.foot::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 60% at 50% 0%, rgba(255,255,255,.06), transparent 60%),
    radial-gradient(80% 50% at 0% 100%, rgba(125,200,202,.05), transparent 60%);
  pointer-events: none;
}
.foot-big {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(72px, 14vw, 220px);
  line-height: 0.85;
  letter-spacing: -0.03em;
  color: var(--cream-accent);
  position: absolute;
  bottom: -16px;
  left: 0; right: 0;
  text-align: center;
  pointer-events: none;
  opacity: .9;
  white-space: nowrap;
  overflow: hidden;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 60px;
  position: relative;
}
@media (max-width: 860px) {
  .foot-grid { grid-template-columns: 1fr 1fr; padding-bottom: 40px; }
}
.foot h5 {
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(244,242,236,.55);
  margin: 0 0 18px;
  font-weight: 500;
}
.foot ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.foot ul li { font-size: 14.5px; color: rgba(244,242,236,.85); }
.foot ul li a:hover { color: var(--cream-accent); }
.foot-brand .logo-foot {
  height: 56px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: .95;
}
.foot-brand p { color: rgba(244,242,236,.7); font-size: 14px; max-width: 320px; margin: 16px 0 0; line-height: 1.6; }
.foot-bottom {
  position: relative; z-index: 2;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 22px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12.5px;
  color: rgba(244,242,236,.55);
  flex-wrap: wrap; gap: 10px;
}
.foot-bottom a:hover { color: var(--cream-accent); }

/* ============ reveal anim ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }

/* selection */
::selection { background: var(--moss); color: #fff; }