/* ============================================================
   RESEARCH AND DEVELOPMENT LTD — Knutsford, Cheshire, UK
   Software for R&D teams
   Design: Lab Notebook · Paper + Deep Teal + Signal Vermilion
   Fonts: Fraunces + Figtree + DM Mono
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&family=Figtree:wght@300;400;500;600;700;800&family=DM+Mono:wght@300;400;500&display=swap');

:root {
  /* Deep teal ink */
  --ink:        #0c2a2c;
  --ink-2:      #123a3d;
  --ink-3:      #1b4b4f;
  --ink-4:      #2a6064;

  /* Signal vermilion */
  --signal:     #e4572e;
  --signal-l:   #ee7650;
  --signal-xl:  #f7a587;
  --signal-g:   rgba(228,87,46,0.10);
  --signal-b:   rgba(228,87,46,0.28);

  /* Mint — secondary accent on dark */
  --mint:       #7fd1b9;
  --mint-g:     rgba(127,209,185,0.10);
  --mint-b:     rgba(127,209,185,0.26);

  /* Paper */
  --paper:      #f5f2ea;
  --paper-2:    #ece8dc;
  --paper-3:    #ddd7c6;
  --paper-4:    #c2baa3;
  --white:      #fbfaf6;

  /* Text on dark */
  --t1:         #eef1ea;
  --t2:         #8fb0a8;
  --t3:         #4f7570;

  /* Text on light */
  --text:       #0c2a2c;
  --sub:        #3f5c5c;
  --sub-l:      #7a8f8a;

  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans:  'Figtree', system-ui, sans-serif;
  --font-mono:  'DM Mono', monospace;
  --ease:       cubic-bezier(0.16, 1, 0.3, 1);

  --r:          3px;
  --r-md:       8px;
  --r-lg:       14px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-sans); background: var(--paper); color: var(--text); overflow-x: hidden; line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: var(--font-sans); }

.container { max-width: 1180px; margin: 0 auto; padding: 0 40px; }
.section { padding: 96px 0; }

/* ── LABEL ── */
.label { font-family: var(--font-mono); font-size: 0.68rem; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase; color: var(--signal); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.label::before { content: ''; width: 22px; height: 1px; background: var(--signal); }
.label.light { color: var(--signal-xl); }
.label.light::before { background: var(--signal-xl); }

/* ── TYPE ── */
.h2 { font-family: var(--font-serif); font-size: clamp(2rem, 4vw, 3.6rem); font-weight: 400; line-height: 1.1; letter-spacing: -0.015em; color: var(--text); margin-bottom: 16px; }
.h2 em { font-style: italic; color: var(--signal); }
.h2.light { color: var(--t1); }
.h2.light em { color: var(--signal-xl); }
.body-t { font-size: 0.99rem; color: var(--sub); line-height: 1.8; }
.body-t.light { color: var(--t2); }

/* ── BUTTONS ── */
.btn { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-sans); font-weight: 600; font-size: 0.86rem; padding: 13px 28px; border: none; cursor: pointer; transition: all 0.2s var(--ease); border-radius: var(--r); }
.btn-signal { background: var(--signal); color: #fff; }
.btn-signal:hover { background: var(--signal-l); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(228,87,46,0.32); }
.btn-ink { background: var(--ink); color: var(--t1); }
.btn-ink:hover { background: var(--ink-3); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(12,42,44,0.3); }
.btn-outline { background: transparent; border: 1.5px solid var(--paper-3); color: var(--text); }
.btn-outline:hover { border-color: var(--signal); color: var(--signal); }
.btn-outline-light { background: transparent; border: 1.5px solid rgba(255,255,255,0.2); color: var(--t1); }
.btn-outline-light:hover { border-color: var(--signal-xl); color: var(--signal-xl); }
.btn-submit { width: 100%; background: var(--signal); color: #fff; font-weight: 600; font-size: 0.88rem; padding: 15px; border: none; cursor: pointer; border-radius: var(--r); transition: all 0.2s var(--ease); }
.btn-submit:hover { background: var(--signal-l); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(228,87,46,0.32); }

/* ── NAV ── */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 500; transition: all 0.28s ease; }
.nav.scrolled { background: rgba(245,242,234,0.97); backdrop-filter: blur(20px); border-bottom: 1px solid var(--paper-3); box-shadow: 0 1px 20px rgba(12,42,44,0.06); }
.nav-inner { max-width: 1180px; margin: 0 auto; padding: 0 40px; height: 72px; display: flex; align-items: center; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark { width: 36px; height: 36px; border: 1.5px solid var(--signal); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-family: var(--font-serif); font-weight: 500; font-size: 0.85rem; color: var(--signal-xl); letter-spacing: -0.02em; transition: color 0.28s; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-family: var(--font-serif); font-size: 1rem; font-weight: 500; color: var(--t1); letter-spacing: -0.01em; transition: color 0.28s; }
.logo-sub { font-family: var(--font-mono); font-size: 0.55rem; color: rgba(255,255,255,0.42); letter-spacing: 0.1em; text-transform: uppercase; transition: color 0.28s; }
.nav-links { display: flex; align-items: center; gap: 32px; margin-left: auto; }
.nav-links a { font-size: 0.85rem; font-weight: 500; color: rgba(255,255,255,0.6); transition: color 0.2s; position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--t1); }
.nav-links a.active::after { content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 1.5px; background: var(--signal); }
.nav-cta { margin-left: 24px; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; margin-left: auto; }
.hamburger span { display: block; width: 22px; height: 1.5px; background: var(--t1); transition: background 0.2s; }
.nav.scrolled .logo-name { color: var(--text); }
.nav.scrolled .logo-sub { color: var(--sub-l); }
.nav.scrolled .logo-mark { color: var(--signal); }
.nav.scrolled .nav-links a { color: var(--sub); }
.nav.scrolled .nav-links a:hover, .nav.scrolled .nav-links a.active { color: var(--text); }
.nav.scrolled .hamburger span { background: var(--text); }
.mobile-menu { display: none; flex-direction: column; background: var(--paper); border-bottom: 1px solid var(--paper-3); }
.mobile-menu a { font-size: 0.88rem; font-weight: 500; color: var(--sub); padding: 13px 40px; border-bottom: 1px solid var(--paper-2); }
.mobile-menu a:hover { color: var(--signal); }
.mobile-menu .btn { margin: 14px 40px 20px; justify-content: center; color: #fff; }
.mobile-menu.open { display: flex; }

/* ── HERO ── */
.hero { min-height: 100vh; background: var(--ink); position: relative; overflow: hidden; display: flex; align-items: center; }
.graph-paper { position: absolute; inset: 0; background-image: linear-gradient(rgba(127,209,185,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(127,209,185,0.05) 1px, transparent 1px), linear-gradient(rgba(127,209,185,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(127,209,185,0.025) 1px, transparent 1px); background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px; }
.hero-glow { position: absolute; top: -200px; right: -120px; width: 760px; height: 760px; border-radius: 50%; background: radial-gradient(circle, rgba(228,87,46,0.13) 0%, transparent 65%); pointer-events: none; }
.hero-inner { position: relative; z-index: 2; max-width: 1180px; width: 100%; margin: 0 auto; padding: 150px 40px 90px; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 9px; border: 1px solid var(--mint-b); background: var(--mint-g); padding: 6px 14px; margin-bottom: 28px; }
.hero-badge i { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 10px rgba(127,209,185,0.8); }
.hero-badge span { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--mint); }
.hero-title { font-family: var(--font-serif); font-size: clamp(3rem, 6vw, 5.8rem); font-weight: 400; line-height: 1.0; letter-spacing: -0.025em; color: var(--t1); margin-bottom: 26px; }
.hero-title em { font-style: italic; color: var(--signal-l); display: block; }
.hero-desc { font-size: 1.02rem; color: var(--t2); line-height: 1.78; max-width: 470px; margin-bottom: 34px; }
.hero-ctas { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,0.08); margin-top: 52px; padding-top: 24px; }
.hero-stat { padding-right: 18px; border-right: 1px solid rgba(255,255,255,0.08); }
.hero-stat:last-child { border-right: none; }
.hero-stat .sv { font-family: var(--font-serif); font-size: 1.7rem; color: var(--t1); line-height: 1; }
.hero-stat .sv em { font-style: normal; color: var(--signal-l); }
.hero-stat .sl { font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--t3); margin-top: 6px; }

/* Lab panel */
.lab-panel { background: rgba(18,58,61,0.6); border: 1px solid rgba(127,209,185,0.2); backdrop-filter: blur(6px); }
.lab-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 18px; border-bottom: 1px solid rgba(127,209,185,0.14); }
.lab-head .id { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em; color: var(--t2); }
.lab-pill { font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--mint); border: 1px solid var(--mint-b); background: var(--mint-g); padding: 3px 9px; }
.lab-plot { padding: 18px 18px 6px; }
.lab-plot svg { width: 100%; height: auto; display: block; }
.draw { stroke-dasharray: 700; stroke-dashoffset: 700; animation: drawLine 3.2s var(--ease) 0.4s forwards; }
.draw.d2 { animation-delay: 0.9s; }
@keyframes drawLine { to { stroke-dashoffset: 0; } }
.lab-rows { padding: 6px 18px 16px; }
.lab-row { display: flex; justify-content: space-between; align-items: baseline; padding: 9px 0; border-top: 1px solid rgba(127,209,185,0.1); }
.lab-row .k { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--t3); }
.lab-row .v { font-family: var(--font-mono); font-size: 0.72rem; color: var(--t1); }
.lab-row .v.ok { color: var(--mint); }
.lab-foot { padding: 9px 18px; border-top: 1px solid rgba(127,209,185,0.14); font-family: var(--font-mono); font-size: 0.56rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--t3); }

/* ── TICKER ── */
.ticker { background: var(--signal); padding: 12px 0; overflow: hidden; }
.ticker-inner { display: flex; white-space: nowrap; animation: tick 26s linear infinite; }
.ticker-item { flex-shrink: 0; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.92); padding: 0 26px; }
.ticker-item::after { content: '/'; margin-left: 26px; opacity: 0.5; }
@keyframes tick { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ── SOLUTIONS ── */
.sol-section { background: var(--paper); }
.sol-head { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: end; margin-bottom: 56px; }
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--paper-3); border: 1px solid var(--paper-3); }
.sol-card { background: var(--paper); padding: 38px 30px; position: relative; transition: background 0.25s; }
.sol-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--signal); transform: scaleX(0); transform-origin: left; transition: transform 0.35s var(--ease); }
.sol-card:hover { background: var(--white); }
.sol-card:hover::before { transform: scaleX(1); }
.sol-n { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.1em; color: var(--paper-4); margin-bottom: 18px; }
.sol-icon { width: 46px; height: 46px; background: var(--signal-g); border: 1px solid var(--signal-b); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.sol-icon i { color: var(--signal); font-size: 1.05rem; }
.sol-card h3 { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 500; letter-spacing: -0.01em; color: var(--text); margin-bottom: 10px; }
.sol-card p { font-size: 0.88rem; color: var(--sub); line-height: 1.74; }
.sol-more { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--signal); margin-top: 18px; transition: gap 0.2s; }
.sol-card:hover .sol-more { gap: 10px; }

/* ── WHY (dark) ── */
.why-section { background: var(--ink); position: relative; overflow: hidden; }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; position: relative; z-index: 1; }
.notebook { background: var(--paper); color: var(--text); border-left: 5px solid var(--signal); box-shadow: 0 24px 60px rgba(0,0,0,0.35); position: relative; }
.nb-head { padding: 14px 20px; border-bottom: 1px solid var(--paper-3); display: flex; justify-content: space-between; align-items: center; }
.nb-head span { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sub-l); }
.nb-body { padding: 8px 20px 20px; background-image: repeating-linear-gradient(transparent 0, transparent 31px, rgba(12,42,44,0.07) 31px, rgba(12,42,44,0.07) 32px); }
.nb-line { height: 32px; display: flex; align-items: center; gap: 12px; font-size: 0.86rem; color: var(--text); }
.nb-line .t { font-family: var(--font-mono); font-size: 0.62rem; color: var(--signal); flex-shrink: 0; width: 44px; }
.nb-line b { font-weight: 600; }
.nb-line .tag { margin-left: auto; font-family: var(--font-mono); font-size: 0.56rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-4); border: 1px solid var(--paper-4); padding: 1px 7px; }
.nb-foot { padding: 10px 20px; border-top: 1px solid var(--paper-3); font-family: var(--font-mono); font-size: 0.56rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--sub-l); }
.why-pts { display: flex; flex-direction: column; margin-top: 32px; }
.why-pt { display: flex; gap: 16px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,0.08); }
.why-pt:last-child { border-bottom: 1px solid rgba(255,255,255,0.08); }
.why-pt-icon { width: 32px; height: 32px; border: 1px solid var(--mint-b); background: var(--mint-g); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.why-pt-icon i { color: var(--mint); font-size: 0.76rem; }
.why-pt h4 { font-weight: 600; font-size: 0.92rem; color: var(--t1); margin-bottom: 4px; }
.why-pt p { font-size: 0.85rem; color: var(--t2); line-height: 1.64; }

/* ── PROCESS ── */
.process-section { background: var(--paper-2); }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 56px; }
.proc-step { padding-right: 34px; border-right: 1px solid var(--paper-3); }
.proc-step:last-child { border-right: none; padding-right: 0; }
.proc-num { font-family: var(--font-serif); font-size: 4rem; font-weight: 300; color: var(--paper-3); line-height: 0.9; margin-bottom: 18px; }
.proc-line { width: 24px; height: 1.5px; background: var(--signal); margin-bottom: 14px; transition: width 0.3s; }
.proc-step:hover .proc-line { width: 42px; }
.proc-step h4 { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 500; color: var(--text); margin-bottom: 8px; }
.proc-step p { font-size: 0.85rem; color: var(--sub); line-height: 1.7; }

/* ── SECTORS ── */
.sectors-section { background: var(--paper); }
.sectors-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 52px; }
.sector-card { background: var(--paper-2); border: 1px solid var(--paper-3); padding: 28px 22px; transition: all 0.25s var(--ease); }
.sector-card:hover { transform: translateY(-4px); border-color: var(--signal-b); box-shadow: 0 14px 34px rgba(12,42,44,0.09); }
.sector-icon { width: 46px; height: 46px; border: 1.5px solid var(--paper-4); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; transition: all 0.25s; }
.sector-icon i { color: var(--ink-3); font-size: 1.05rem; transition: color 0.25s; }
.sector-card:hover .sector-icon { background: var(--signal); border-color: var(--signal); }
.sector-card:hover .sector-icon i { color: #fff; }
.sector-card h4 { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 500; color: var(--text); margin-bottom: 7px; }
.sector-card p { font-size: 0.8rem; color: var(--sub-l); line-height: 1.64; }

/* ── CTA ── */
.cta-section { background: var(--signal); padding: 88px 0; text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px); background-size: 48px 48px; }
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { font-family: var(--font-serif); font-size: clamp(2rem, 4.5vw, 3.8rem); font-weight: 400; color: #fff; margin-bottom: 16px; letter-spacing: -0.02em; line-height: 1.08; }
.cta-section h2 em { font-style: italic; color: var(--ink); }
.cta-section p { font-size: 1rem; color: rgba(255,255,255,0.82); max-width: 480px; margin: 0 auto 34px; }
.cta-btns { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* ── CONTACT ── */
.contact-section { background: var(--paper); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 72px; align-items: start; }
.contact-deets { display: flex; flex-direction: column; margin-top: 32px; }
.cd { display: flex; align-items: flex-start; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--paper-3); }
.cd:first-child { border-top: 1px solid var(--paper-3); }
.cd-icon { width: 32px; height: 32px; background: var(--signal-g); border: 1px solid var(--signal-b); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.cd-icon i { color: var(--signal); font-size: 0.78rem; }
.cd-lbl { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--signal); margin-bottom: 3px; }
.cd-val { font-size: 0.88rem; color: var(--sub); line-height: 1.55; }
.cd-val a { color: var(--sub); transition: color 0.2s; }
.cd-val a:hover { color: var(--signal); }
.contact-form { background: var(--ink); padding: 36px; position: relative; overflow: hidden; }
.contact-form::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(127,209,185,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(127,209,185,0.035) 1px, transparent 1px); background-size: 32px 32px; pointer-events: none; }
.contact-form h3 { font-family: var(--font-serif); font-size: 1.6rem; font-weight: 400; color: var(--t1); margin-bottom: 5px; position: relative; z-index: 1; }
.contact-form .sub { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--t3); margin-bottom: 26px; position: relative; z-index: 1; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.fg { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; position: relative; z-index: 1; }
.fg label { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--t3); }
.fg input, .fg select, .fg textarea { background: rgba(255,255,255,0.05); border: 1px solid rgba(127,209,185,0.16); border-radius: var(--r); padding: 11px 13px; font-family: var(--font-sans); font-size: 0.88rem; color: var(--t1); outline: none; transition: border-color 0.2s; width: 100%; }
.fg input::placeholder, .fg textarea::placeholder { color: var(--t3); }
.fg input:focus, .fg select:focus, .fg textarea:focus { border-color: var(--signal-b); }
.fg select { appearance: none; cursor: pointer; }
.fg select option { background: var(--ink-2); }
.fg textarea { resize: vertical; min-height: 100px; }
.f-note { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.06em; color: var(--t3); text-align: center; margin-top: 10px; position: relative; z-index: 1; }

/* ── FOOTER ── */
.footer { background: var(--ink); border-top: 1px solid rgba(127,209,185,0.12); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { font-size: 0.84rem; color: var(--t3); margin-top: 14px; max-width: 260px; line-height: 1.78; }
.footer-col h5 { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--t3); opacity: 0.8; margin-bottom: 16px; }
.footer-col a, .footer-col span { display: block; font-size: 0.85rem; color: var(--t3); margin-bottom: 10px; transition: color 0.2s; }
.footer-col a:hover { color: var(--signal-xl); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.06); flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.04em; color: var(--t3); opacity: 0.8; }
.footer-uk { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--t3); opacity: 0.8; }
.footer-legal { display: flex; gap: 18px; }
.footer-legal a { font-family: var(--font-mono); font-size: 0.62rem; color: var(--t3); opacity: 0.8; transition: opacity 0.2s; }
.footer-legal a:hover { opacity: 1; }

/* ── PAGE HERO ── */
.page-hero { background: var(--ink); padding: 156px 0 76px; position: relative; overflow: hidden; }
.ph-inner { position: relative; z-index: 1; max-width: 720px; }
.ph-inner h1 { font-family: var(--font-serif); font-size: clamp(2.6rem, 5.5vw, 4.8rem); font-weight: 400; line-height: 1.05; letter-spacing: -0.02em; color: var(--t1); margin-bottom: 18px; }
.ph-inner h1 em { font-style: italic; color: var(--signal-l); }
.ph-inner p { font-size: 1.02rem; color: var(--t2); line-height: 1.78; }

/* ── SOLUTIONS DETAIL ── */
.sd-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; padding-bottom: 56px; margin-bottom: 56px; border-bottom: 1px solid var(--paper-3); }
.sd-row:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.sd-row.flip .sd-text { order: 2; }
.sd-row.flip .sd-list { order: 1; }
.sd-text h2 { font-family: var(--font-serif); font-size: 2.3rem; font-weight: 400; line-height: 1.1; letter-spacing: -0.015em; color: var(--text); margin-bottom: 14px; }
.sd-text h2 em { font-style: italic; color: var(--signal); }
.sd-list { display: flex; flex-direction: column; gap: 10px; }
.sd-item { background: var(--paper-2); border: 1px solid var(--paper-3); padding: 14px 16px; display: flex; gap: 12px; }
.sd-item i { color: var(--signal); flex-shrink: 0; margin-top: 3px; }
.sd-item strong { font-size: 0.88rem; color: var(--text); display: block; margin-bottom: 2px; }
.sd-item span { font-size: 0.83rem; color: var(--sub); }

/* ── ABOUT ── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.quote-box { background: var(--paper-2); border-left: 3px solid var(--signal); padding: 18px 22px; margin-bottom: 28px; }
.quote-box p { font-family: var(--font-serif); font-size: 1.1rem; font-style: italic; color: var(--ink-3); line-height: 1.6; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--paper-3); margin-bottom: 18px; }
.stat-cell { padding: 26px 22px; }
.stat-cell .sv { font-family: var(--font-serif); font-size: 2.4rem; line-height: 1; letter-spacing: -0.02em; }
.stat-cell .sl { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; margin-top: 6px; }
.stat-cell.dark { background: var(--ink); } .stat-cell.dark .sv { color: var(--signal-l); } .stat-cell.dark .sl { color: var(--t3); }
.stat-cell.sig { background: var(--signal); } .stat-cell.sig .sv { color: #fff; } .stat-cell.sig .sl { color: rgba(255,255,255,0.75); }
.stat-cell.lt { background: var(--paper-2); } .stat-cell.lt .sv { color: var(--text); } .stat-cell.lt .sl { color: var(--sub-l); }
.details-box { background: var(--paper-2); border: 1px solid var(--paper-3); padding: 24px; }
.details-box .row { display: flex; gap: 10px; font-size: 0.86rem; color: var(--sub); padding: 5px 0; }
.details-box .row strong { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text); width: 100px; flex-shrink: 0; padding-top: 3px; }
.details-box a { color: var(--sub); }
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(127,209,185,0.16); margin-top: 44px; }
.value { background: var(--ink-2); padding: 30px 22px; }
.value.sig { background: var(--signal); }
.value .vn { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.12em; color: var(--signal-l); margin-bottom: 16px; }
.value.sig .vn { color: rgba(255,255,255,0.7); }
.value h4 { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 500; color: var(--t1); margin-bottom: 8px; }
.value.sig h4 { color: #fff; }
.value p { font-size: 0.84rem; color: var(--t2); line-height: 1.66; }
.value.sig p { color: rgba(255,255,255,0.85); }

/* ── LEGAL ── */
.legal { max-width: 760px; margin: 0 auto; }
.legal h2 { font-family: var(--font-serif); font-size: 1.3rem; font-style: italic; font-weight: 500; color: var(--signal); margin: 34px 0 10px; }
.legal p, .legal li { font-size: 0.92rem; color: var(--sub); line-height: 1.84; margin-bottom: 10px; }
.legal ul { margin: 0 0 12px 20px; }
.legal a { color: var(--signal); }

/* ── REVEAL ── */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.65s var(--ease), transform 0.65s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 130px; }
  .lab-panel { max-width: 560px; }
  .sol-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-head { grid-template-columns: 1fr; }
  .why-grid, .about-grid, .contact-grid, .sd-row { grid-template-columns: 1fr; gap: 44px; }
  .sd-row.flip .sd-text, .sd-row.flip .sd-list { order: 0; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .proc-step { border-right: none; padding-right: 0; }
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .values { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .sol-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 18px; }
  .hero-stat { border-right: none; }
  .process-steps { grid-template-columns: 1fr; }
  .f-row { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
}
@media (max-width: 480px) {
  .container, .hero-inner, .nav-inner { padding-left: 22px; padding-right: 22px; }
  .mobile-menu a { padding-left: 22px; }
  .mobile-menu .btn { margin-left: 22px; margin-right: 22px; }
  .footer-grid, .sectors-grid, .values { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}