/* ============================================================
   Oplatum Design System — Foundations
   Colors, Type, Spacing, Radii, Shadows
   ============================================================ */

/* ============================================================
   FONT LOADING
   Brand display + body: ALS Hauss (uploaded TTFs in /fonts/)
   Mono: JetBrains Mono (Google Fonts, free)
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');

@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-Hairline.ttf') format('truetype');     font-weight: 100; font-style: normal; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-HairlineItalic.ttf') format('truetype');font-weight: 100; font-style: italic; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-Thin.ttf') format('truetype');         font-weight: 200; font-style: normal; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-ThinItalic.ttf') format('truetype');   font-weight: 200; font-style: italic; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-Light.ttf') format('truetype');        font-weight: 300; font-style: normal; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-LightItalic.ttf') format('truetype');  font-weight: 300; font-style: italic; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-Regular.ttf') format('truetype');      font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-RegularItalic.ttf') format('truetype');font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-Book.ttf') format('truetype');         font-weight: 450; font-style: normal; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-BookItalic.ttf') format('truetype');   font-weight: 450; font-style: italic; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-Medium.ttf') format('truetype');       font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-MediumItalic.ttf') format('truetype'); font-weight: 500; font-style: italic; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-Bold.ttf') format('truetype');         font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-BoldItalic.ttf') format('truetype');   font-weight: 700; font-style: italic; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-Black.ttf') format('truetype');        font-weight: 900; font-style: normal; font-display: swap; }
@font-face { font-family: 'ALS Hauss'; src: url('fonts/ALSHauss-BlackItalic.ttf') format('truetype');  font-weight: 900; font-style: italic; font-display: swap; }

:root {
  /* ---------- COLORS ---------- */
  /* Surfaces */
  --color-bg:              #FFFFFF;   /* page background — pure white, NOT cream */
  --color-surface:         #F8F9FB;   /* card surface */
  --color-surface-2:       #F1F3F6;   /* nested cards / hover surfaces */

  /* Text */
  --color-text:            #0A0E14;   /* graphite — primary text & primary CTA */
  --color-text-secondary:  #5C6470;   /* secondary copy */
  --color-text-muted:      #8B92A0;   /* captions, metadata */

  /* Lines */
  --color-border:          #E8EAEE;   /* 1px card border */
  --color-border-strong:   #D5D9E0;   /* dividers, inputs */

  /* Accent + signal */
  --color-accent:          #1F6FEB;   /* CTA accent + links */
  --color-accent-hover:    #1A5FCC;
  --color-highlight:       #1F6FEB;   /* highlight role — metrics, accents on numbers (blue) */
  --color-highlight-soft:  #E8F0FE;   /* soft tint of highlight — chips, active states */
  --color-amber:           #F59E0B;   /* unused token — amber kept for optional future use */
  --color-success:         #10B981;
  --color-warning:         #F59E0B;

  /* Terminal */
  --color-terminal-bg:     #0F1419;
  --color-terminal-fg:     #E6E1CF;
  --color-terminal-green:  #7CE3A1;
  --color-terminal-amber:  #FFB454;
  --color-terminal-muted:  #5C6773;

  /* ---------- TYPOGRAPHY ---------- */
  --font-display: 'ALS Hauss', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:    'ALS Hauss', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Type scale */
  --text-display-xl: 72px;
  --text-display-lg: 60px;
  --text-display-md: 46px;
  --text-heading-lg: 34px;
  --text-heading-md: 26px;
  --text-heading-sm: 19px;
  --text-body-lg:    18px;
  --text-body-md:    16px;
  --text-body-sm:    14px;
  --text-mono-overline: 12px;
  --text-mono-code:     14px;

  /* Line heights */
  --lh-display-xl: 1.05;
  --lh-display-lg: 1.1;
  --lh-display-md: 1.15;
  --lh-heading-lg: 1.2;
  --lh-heading-md: 1.3;
  --lh-heading-sm: 1.4;
  --lh-body:       1.55;

  /* Weights */
  /* ALS Hauss weights: 100/200/300/400/450(book)/500/700/900.
     Note: no 600. Use 700 for semibold/heading roles. */
  --weight-regular:  400;
  --weight-book:     450;
  --weight-medium:   500;
  --weight-semibold: 700;
  --weight-bold:     700;
  --weight-black:    900;

  /* ---------- SPACING ---------- */
  --space-1:   4px;
  --space-2:   8px;
  --space-3:   12px;
  --space-4:   16px;
  --space-6:   24px;
  --space-8:   32px;
  --space-10:  40px;
  --space-12:  48px;
  --space-16:  64px;
  --space-20:  80px;
  --space-24:  96px;
  --space-30:  120px;

  /* ---------- RADII ---------- */
  --radius-sm:   8px;     /* small chips, inputs */
  --radius-md:   12px;    /* buttons, code blocks */
  --radius-lg:   20px;    /* standard card */
  --radius-xl:   24px;    /* featured card */
  --radius-2xl:  32px;    /* hero visual, modals */
  --radius-pill: 999px;

  /* ---------- SHADOWS ---------- */
  --shadow-card:  0 1px 2px rgba(10,14,20,0.04), 0 8px 24px rgba(10,14,20,0.04);
  --shadow-hover: 0 4px 8px rgba(10,14,20,0.06), 0 16px 40px rgba(10,14,20,0.08);
  --shadow-dark:  0 24px 48px rgba(10,14,20,0.12);

  /* ---------- MOTION ---------- */
  --ease-standard: cubic-bezier(0.2, 0.6, 0.2, 1);
  --duration-fast: 120ms;
  --duration-base: 200ms;
}

/* ============================================================
   Semantic type classes — drop-in styling
   ============================================================ */

html, body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  line-height: var(--lh-body);
  font-weight: var(--weight-regular);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.display-xl, h1.display-xl {
  font-family: var(--font-display);
  font-size: var(--text-display-xl);
  line-height: var(--lh-display-xl);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.02em;
}
.display-lg, h1 {
  font-family: var(--font-display);
  font-size: var(--text-display-lg);
  line-height: var(--lh-display-lg);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.02em;
}
.display-md {
  font-family: var(--font-display);
  font-size: var(--text-display-md);
  line-height: var(--lh-display-md);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.015em;
}
.heading-lg, h2 {
  font-family: var(--font-display);
  font-size: var(--text-heading-lg);
  line-height: var(--lh-heading-lg);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.01em;
}
.heading-md, h3 {
  font-family: var(--font-display);
  font-size: var(--text-heading-md);
  line-height: var(--lh-heading-md);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.005em;
}
.heading-sm, h4 {
  font-family: var(--font-display);
  font-size: var(--text-heading-sm);
  line-height: var(--lh-heading-sm);
  font-weight: var(--weight-semibold);
}
.body-lg {
  font-size: var(--text-body-lg);
  line-height: var(--lh-body);
}
.body-md, p {
  font-size: var(--text-body-md);
  line-height: var(--lh-body);
}
.body-sm {
  font-size: var(--text-body-sm);
  line-height: 1.5;
  color: var(--color-text-secondary);
}
.mono-overline {
  font-family: var(--font-mono);
  font-size: var(--text-mono-overline);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
}
.mono-code {
  font-family: var(--font-mono);
  font-size: var(--text-mono-code);
  line-height: 1.5;
  font-weight: var(--weight-regular);
}

* { box-sizing: border-box; }

html, body { margin: 0; background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); -webkit-font-smoothing: antialiased; }

.page { max-width: 1240px; margin: 0 auto; padding: 24px 32px 80px; }

/* Buttons */
.btn { font-family: var(--font-body); font-weight: 500; border-radius: 12px; border: 1px solid transparent; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: all 200ms var(--ease-standard); white-space: nowrap; }
.btn-lg { padding: 14px 24px; font-size: 16px; }
.btn-md { padding: 12px 20px; font-size: 15px; }
.btn-sm { padding: 10px 16px; font-size: 14px; }
.btn-primary { background: var(--color-text); color: #FFF; }
.btn-primary:hover { background: #1F262E; transform: translateY(-1px); }
.btn-secondary { background: #FFF; color: var(--color-text); border-color: var(--color-border); }
.btn-secondary:hover { background: var(--color-surface); border-color: var(--color-border-strong); }
.btn-ghost { background: transparent; color: var(--color-text); padding-left: 4px; padding-right: 4px; }
.btn-ghost:hover { text-decoration: underline; text-underline-offset: 4px; }

/* Overlines */
.ovl { font-family: var(--font-mono); font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-secondary); margin-bottom: 14px; }

/* Nav */
.nav {
  position: sticky; top: 16px; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px) saturate(180%); -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 12px 18px;
  display: flex; align-items: center; gap: 18px;
  box-shadow: 0 4px 14px rgba(10,14,20,0.04);
  margin-bottom: 56px;
  transition: background 200ms var(--ease-standard), box-shadow 200ms var(--ease-standard);
}
.nav.nav-scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 6px 20px rgba(10,14,20,0.07);
}
.nav .logo { font-weight: 700; font-size: 20px; letter-spacing: -0.025em; color: var(--color-text); }
.nav .logo .dot { color: var(--color-highlight); }
.nav-links { display: flex; gap: 22px; margin-left: 24px; }
.nav-links .link { font-size: 14px; color: var(--color-text-secondary); cursor: pointer; transition: color 150ms; }
.nav-links .link:hover { color: var(--color-text); }
.nav-links .link.active { color: var(--color-text); }
.nav-spacer { flex: 1; }
.ghost-link { font-size: 14px; color: var(--color-text); padding: 8px 14px; cursor: pointer; }

/* Hero */
.hero { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: 48px; align-items: center; padding: 16px 0 80px; }
.hero-copy { min-width: 0; }
.hero h1 { font-size: 52px; line-height: 1.05; font-weight: 700; letter-spacing: -0.025em; margin: 0 0 20px; }
.hero .accent-blue { color: var(--color-highlight); }
.hero .lead { font-size: 17px; color: var(--color-text-secondary); max-width: 520px; line-height: 1.55; margin: 0 0 28px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-meta { display: flex; align-items: center; gap: 18px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--color-border); }
.hero-meta-num { font-size: 24px; font-weight: 700; letter-spacing: -0.015em; color: var(--color-highlight); white-space: nowrap; }
.hero-meta-lbl { font-size: 12px; color: var(--color-text-secondary); line-height: 1.4; }
.hero-meta .divider { width: 1px; height: 32px; background: var(--color-border); }

/* ---------- Admin mockup ---------- */
.admin-mock { position: relative; perspective: 2000px; min-width: 0; width: 100%; }
.admin-window {
  background: #FFF;
  border-radius: 24px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-hover);
  overflow: hidden;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  height: 480px;
  width: 100%;
  transform: rotate(-0.5deg);
}
.adm-side { background: #FAFBFC; border-right: 1px solid var(--color-border); padding: 18px 12px; font-size: 12px; }
.adm-side-logo { font-weight: 700; font-size: 16px; letter-spacing: -0.02em; color: var(--color-text-muted); padding: 4px 8px 18px; }
.adm-group-h { font-family: var(--font-mono); font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); padding: 14px 8px 6px; }
.adm-nav-item { display: flex; align-items: center; gap: 10px; padding: 7px 9px; border-radius: 8px; color: var(--color-text-secondary); cursor: pointer; line-height: 1.2; }
.adm-nav-item svg { flex-shrink: 0; opacity: 0.75; }
.adm-nav-item.active { background: var(--color-highlight-soft); color: var(--color-highlight); font-weight: 500; }
.adm-nav-item.active svg { opacity: 1; }

.adm-main { display: flex; flex-direction: column; min-width: 0; }
.adm-top { height: 44px; background: #FFF; border-bottom: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; padding: 0 18px; flex-shrink: 0; }
.adm-top-l { display: flex; align-items: center; gap: 12px; }
.adm-toggle { color: var(--color-text-muted); display: inline-flex; }
.adm-top-title { font-size: 14px; font-weight: 500; color: var(--color-text); }
.adm-bell { position: relative; color: var(--color-text-secondary); display: inline-flex; }
.adm-dot { position: absolute; top: -1px; right: -1px; width: 7px; height: 7px; border-radius: 50%; background: var(--color-highlight); border: 1.5px solid #FFF; }

.adm-content { background: var(--color-surface); padding: 20px 22px 22px; flex: 1; overflow: hidden; }
.adm-h2 { font-size: 22px; font-weight: 700; margin: 0 0 4px; letter-spacing: -0.01em; color: var(--color-text); }
.adm-sub { font-size: 12.5px; color: var(--color-text-secondary); margin-bottom: 16px; }
.adm-tabs { display: flex; gap: 4px; margin-bottom: 14px; }
.adm-tab { font-size: 11.5px; padding: 6px 12px; border-radius: 999px; color: var(--color-text-secondary); cursor: pointer; }
.adm-tab.active { background: var(--color-highlight); color: #FFF; font-weight: 500; }
.adm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.adm-cell { background: #FFF; border: 1px solid var(--color-border); border-radius: 12px; padding: 14px; }
.adm-cell-h { font-size: 11px; color: var(--color-text-secondary); margin-bottom: 8px; }
.adm-cell-num { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; color: var(--color-text); margin-bottom: 4px; font-variant-numeric: tabular-nums; }
.adm-cell-num.blue { color: var(--color-highlight); }
.adm-cell-num .cur { font-family: var(--font-mono); font-size: 10px; font-weight: 500; color: var(--color-text-muted); margin-left: 3px; letter-spacing: 0.05em; }
.adm-cell-cap { font-size: 10.5px; color: var(--color-text-muted); }
.admin-mock-note { position: absolute; right: 8px; bottom: -22px; font-family: var(--font-mono); font-size: 10px; color: var(--color-text-muted); }

/* Trust strip */
.trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 40px 0; }
.metric-card { background: var(--color-surface); border-radius: 20px; padding: 28px; position: relative; }
.metric-card.bar { background: #FFF; border: 1px solid var(--color-border); padding-left: 30px; }
.metric-card.bar::before { content: ''; position: absolute; left: 0; top: 20px; bottom: 20px; width: 2px; background: var(--color-highlight); border-radius: 2px; }
.metric-card .ovl-m { font-family: var(--font-mono); font-size: 11px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 14px; }
.metric-card .num { font-size: 44px; font-weight: 700; line-height: 1; letter-spacing: -0.02em; color: var(--color-text); }
.metric-card .num.blue { color: var(--color-highlight); }
.metric-card .lbl { font-size: 13px; color: var(--color-text-secondary); margin-top: 10px; line-height: 1.4; }

/* Section */
.section { padding: 80px 0; }
.section h2 { font-size: 38px; line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; margin: 0 0 12px; max-width: 720px; }
.section .sub { font-size: 17px; color: var(--color-text-secondary); max-width: 600px; margin: 0 0 32px; line-height: 1.55; }

/* Two-col */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.two-col h2 { font-size: 34px; }
.bullets { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-direction: column; gap: 10px; }
.bullets li { font-size: 15px; color: var(--color-text-secondary); padding-left: 22px; position: relative; }
.bullets li::before { content: '→'; position: absolute; left: 0; color: var(--color-highlight); font-family: var(--font-mono); }

/* ---------- Cases ---------- */
.cases-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: center; max-width: 980px; }
.quote-card { background: #FFF; border: 1px solid var(--color-border); border-radius: 24px; padding: 40px; box-shadow: var(--shadow-card); position: relative; }
.quote-mark { position: absolute; top: 18px; left: 28px; font-size: 80px; line-height: 1; color: var(--color-highlight-soft); font-family: var(--font-display); font-weight: 700; }
.quote-body { position: relative; font-size: 22px; line-height: 1.4; font-weight: 500; color: var(--color-text); margin: 0 0 22px; letter-spacing: -0.005em; max-width: 680px; }
.quote-author { display: flex; align-items: baseline; gap: 12px; }
.quote-name { font-weight: 700; font-size: 14px; color: var(--color-text); }
.quote-role { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); }
.cases-nav { display: flex; flex-direction: column; gap: 18px; align-items: center; }
.cases-dots { display: flex; flex-direction: column; gap: 8px; }
.cases-dot { width: 8px; height: 8px; border-radius: 50%; border: none; background: var(--color-border); padding: 0; cursor: pointer; transition: all 200ms var(--ease-standard); }
.cases-dot.active { background: var(--color-highlight); transform: scale(1.4); }
.cases-arrows { display: flex; flex-direction: column; gap: 6px; }
.cases-arrow { width: 36px; height: 36px; border-radius: 999px; border: 1px solid var(--color-border); background: #FFF; color: var(--color-text); font-size: 16px; cursor: pointer; transition: all 200ms var(--ease-standard); }
.cases-arrow:hover { background: var(--color-surface); border-color: var(--color-border-strong); }
.logo-strip { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; margin-top: 36px; padding: 24px 4px; }
.logo-mark { font-weight: 700; font-size: 18px; letter-spacing: -0.01em; color: var(--color-text-muted); opacity: 0.55; transition: all 200ms var(--ease-standard); }
.logo-mark-btn { background: none; border: none; cursor: pointer; font-family: var(--font-body); padding: 8px 4px; }
.logo-mark-btn:hover { opacity: 0.85; }
.logo-mark-btn.active { opacity: 1; color: var(--color-text); }

/* Industry grid */
.industry-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.industry-card { background: #FFF; border: 1px solid var(--color-border); border-radius: 22px; padding: 32px; box-shadow: var(--shadow-card); transition: all 200ms var(--ease-standard); }
.industry-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.industry-card h3 { font-size: 22px; line-height: 1.25; font-weight: 700; letter-spacing: -0.005em; margin: 0 0 16px; }
.industry-row { display: grid; grid-template-columns: 96px 1fr; gap: 12px; margin-bottom: 8px; align-items: flex-start; }
.industry-row .k { font-family: var(--font-mono); font-size: 11px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.06em; padding-top: 3px; }
.industry-row .v { font-size: 14.5px; color: var(--color-text); line-height: 1.5; }
.industry-metric { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--color-border); display: flex; align-items: baseline; gap: 8px; }
.industry-metric .num { font-size: 32px; font-weight: 700; color: var(--color-highlight); letter-spacing: -0.015em; }
.industry-metric .lbl { font-size: 13px; color: var(--color-text-secondary); }

/* Calculator */
.calc { background: var(--color-surface); border-radius: 24px; padding: 36px; }
.calc h3 { font-size: 24px; font-weight: 700; margin: 0 0 6px; letter-spacing: -0.005em; }
.calc-sub { font-size: 14px; color: var(--color-text-secondary); margin-bottom: 24px; line-height: 1.5; }
.calc-label { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-secondary); margin-bottom: 8px; }
.calc-input { width: 100%; box-sizing: border-box; background: #FFF; border: 1px solid var(--color-border); border-radius: 10px; padding: 14px 16px; font-family: var(--font-body); font-size: 18px; color: var(--color-text); outline: none; }
.calc-input:focus { border-color: var(--color-accent); }
.calc-scale { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 20px 0 8px; }
.calc-scale .step { height: 6px; border-radius: 999px; background: var(--color-border); transition: background 200ms; }
.calc-scale .step.passed { background: var(--color-text); }
.calc-scale .step.active { background: var(--color-highlight); }
.calc-ticks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; font-family: var(--font-mono); font-size: 10.5px; color: var(--color-text-muted); margin-bottom: 22px; }
.calc-out { display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px; }
.calc-out .lbl { font-size: 14px; color: var(--color-text-secondary); }
.calc-out .rate { font-size: 40px; font-weight: 700; color: var(--color-highlight); letter-spacing: -0.02em; }
.calc-note { font-size: 12.5px; color: var(--color-text-secondary); margin-bottom: 22px; line-height: 1.5; }

/* Telegram block */
.tg-block { background: var(--color-surface); border-radius: 28px; padding: 36px; display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: center; }
.chat { background: #FFF; border-radius: 18px; padding: 16px; box-shadow: 0 4px 16px rgba(10,14,20,0.06); font-size: 13px; }
.chat-head { display: flex; align-items: center; gap: 10px; padding-bottom: 12px; border-bottom: 1px solid var(--color-surface); margin-bottom: 12px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--color-accent); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px; }
.chat .name { font-weight: 700; font-size: 14px; color: var(--color-text); }
.chat .meta-x { font-family: var(--font-mono); font-size: 10px; color: var(--color-text-muted); }
.msg { padding: 9px 13px; border-radius: 14px; max-width: 85%; line-height: 1.4; margin-bottom: 7px; }
.msg-bot { background: var(--color-surface-2); color: var(--color-text); }
.msg-me  { background: var(--color-accent); color: #FFFFFF; margin-left: auto; border-bottom-right-radius: 4px; }
.msg-bot.pay { background: var(--color-text); color: #fff; max-width: 70%; font-size: 12.5px; }
.tg-block h3 { font-size: 28px; font-weight: 700; letter-spacing: -0.01em; margin: 0 0 10px; }
.tg-block .lead { font-size: 16px; color: var(--color-text-secondary); margin: 0 0 22px; line-height: 1.55; max-width: 460px; }

/* Code block */
.codeblock { background: var(--color-terminal-bg); border-radius: 16px; overflow: hidden; font-family: var(--font-mono); font-size: 14px; line-height: 1.65; }
.codeblock-head { display: flex; align-items: center; padding: 14px 18px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.codeblock-head .dots { display: flex; gap: 6px; }
.codeblock-head .dot { width: 11px; height: 11px; border-radius: 50%; }
.codeblock-head .filename { color: var(--color-text-muted); font-size: 12px; margin-left: 12px; font-family: var(--font-mono); }
.codeblock-head .copy { margin-left: auto; font-family: var(--font-body); font-size: 12px; color: var(--color-text-muted); background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); padding: 4px 10px; border-radius: 6px; cursor: pointer; }
.codeblock-body { padding: 18px 20px 20px; color: var(--color-terminal-fg); margin: 0; white-space: pre-wrap; }
.com { color: var(--color-terminal-muted); }
.key { color: var(--color-terminal-amber); }
.str { color: var(--color-terminal-green); }
.fn  { color: #59C2FF; }
.num { color: var(--color-terminal-amber); }

/* Roadmap (cards instead of chips) */
.roadmap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 8px; }
.roadmap-card { background: var(--color-surface); border-radius: 22px; padding: 28px 26px; transition: all 200ms var(--ease-standard); position: relative; }
.roadmap-card:hover { background: var(--color-surface-2); transform: translateY(-2px); }
.roadmap-card-status { display: inline-block; font-family: var(--font-mono); font-size: 10.5px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-highlight); background: var(--color-highlight-soft); padding: 5px 10px; border-radius: 6px; margin-bottom: 18px; }
.roadmap-card h3 { font-size: 19px; font-weight: 700; line-height: 1.25; margin: 0 0 10px; letter-spacing: -0.005em; }
.roadmap-card p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.55; margin: 0; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 800px; }
.faq-item { border: 1px solid var(--color-border); border-radius: 18px; padding: 20px 24px; background: #FFF; cursor: pointer; transition: background 200ms; }
.faq-item.open { background: var(--color-surface); border-color: transparent; }
.faq-head { display: flex; justify-content: space-between; align-items: center; }
.faq-item .q { font-weight: 500; font-size: 16px; color: var(--color-text); }
.faq-item .toggle { width: 30px; height: 30px; border-radius: 50%; background: #FFF; border: 1px solid var(--color-border); display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 16px; color: var(--color-text); }
.faq-item.open .toggle { background: var(--color-text); color: #FFF; border-color: transparent; }
.faq-body { margin-top: 16px; font-size: 15px; line-height: 1.6; color: var(--color-text-secondary); max-width: 600px; }

/* Footer */
.footer { background: var(--color-terminal-bg); color: #A8AEB8; border-radius: 24px; padding: 48px; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.footer .logo { font-weight: 700; font-size: 26px; letter-spacing: -0.025em; color: #FFF; margin-bottom: 12px; }
.footer .logo .dot { color: var(--color-highlight); }
.footer .tag { font-size: 14px; color: var(--color-text-muted); line-height: 1.55; max-width: 240px; }
.footer .col-h { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-terminal-muted); margin-bottom: 14px; }
.footer a { display: block; color: var(--color-terminal-fg); font-size: 14px; line-height: 2; text-decoration: none; cursor: pointer; transition: color 150ms; }
.footer a:hover { color: #FFF; }
.footer-legal { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px; display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 11px; color: var(--color-terminal-muted); }

/* ============================================================
   New blocks added 2026-04-27: Advantages, ProcessSteps, DevFeatured
   + extended Calculator + Mobile responsive
   ============================================================ */

/* Button: accent (blue) and ghost-light (for dark surfaces) */
.btn-accent { background: var(--color-accent); color: #FFF; }
.btn-accent:hover { background: var(--color-accent-hover); transform: translateY(-1px); }
.btn-ghost-light { background: transparent; color: #FFF; padding-left: 4px; padding-right: 4px; }
.btn-ghost-light:hover { text-decoration: underline; text-underline-offset: 4px; }

/* Advantages grid */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 8px; }
.adv-card { background: #FFF; border: 1px solid var(--color-border); border-radius: 22px; padding: 32px; box-shadow: var(--shadow-card); transition: all 200ms var(--ease-standard); }
.adv-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.adv-num { font-family: var(--font-mono); font-size: 12px; color: var(--color-text-muted); font-weight: 500; letter-spacing: 0.08em; margin-bottom: 18px; }
.adv-card h3 { font-size: 19px; font-weight: 700; line-height: 1.3; letter-spacing: -0.005em; margin: 0 0 10px; }
.adv-card p { font-size: 14.5px; color: var(--color-text-secondary); line-height: 1.55; margin: 0; }

/* Process steps */
.steps-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 8px; counter-reset: step; }
.step-card { background: var(--color-surface); border-radius: 22px; padding: 28px 24px; position: relative; transition: all 200ms var(--ease-standard); }
.step-card:hover { background: var(--color-surface-2); }
.step-num { font-family: var(--font-mono); font-size: 14px; font-weight: 700; color: var(--color-highlight); letter-spacing: 0.05em; margin-bottom: 18px; }
.step-card h3 { font-size: 17px; font-weight: 700; line-height: 1.25; margin: 0 0 8px; letter-spacing: -0.005em; }
.step-card p { font-size: 13.5px; color: var(--color-text-secondary); line-height: 1.5; margin: 0; }

/* Calculator ticks: enhanced labels with rate */
.calc-ticks span { display: flex; flex-direction: column; gap: 4px; line-height: 1.3; text-align: left; }
.calc-ticks span b { font-family: var(--font-body); font-size: 12.5px; font-weight: 700; color: var(--color-text); }
.calc-scale .step.active { background: var(--color-highlight); }
.calc-scale .step.passed { background: var(--color-text); }

/* Dev featured (dark card) */
.dev-feature {
  background: var(--color-terminal-bg);
  color: #FFF;
  border-radius: 32px;
  padding: 56px;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 48px;
  align-items: center;
  box-shadow: var(--shadow-dark);
}
.dev-feature-copy h2 { font-size: 36px; line-height: 1.15; font-weight: 700; letter-spacing: -0.015em; margin: 0 0 18px; color: #FFF; max-width: 420px; }
.dev-feature .ovl-on-dark { color: #8B92A0; }
.dev-feature .sub-on-dark { font-size: 16px; color: #C2C8D2; line-height: 1.55; max-width: 460px; margin: 0 0 28px; }
.dev-feature-code .codeblock { box-shadow: 0 16px 40px rgba(0,0,0,0.35); border: 1px solid rgba(255,255,255,0.06); }

/* Code-block tokens: distinguish layout from numeric */
.codeblock-body .num-tok { color: var(--color-terminal-amber); }

/* ============================================================
   Mobile responsive
   ============================================================ */

@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; gap: 56px; }
  .hero h1 { font-size: 48px; }
  .admin-window { height: 440px; transform: rotate(0); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: 1fr; }
  .dev-feature { grid-template-columns: 1fr; padding: 40px; }
  .trust { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .page { padding: 16px 16px 60px; }
  .nav { padding: 10px 14px; gap: 12px; }
  .nav-links { display: none; }
  .ghost-link { display: none; }
  .nav .logo { font-size: 18px; }

  .hero { padding: 8px 0 48px; gap: 36px; }
  .hero h1 { font-size: 36px; line-height: 1.1; }
  .hero .lead { font-size: 16px; }
  .hero-meta { flex-wrap: wrap; gap: 12px; }
  .hero-meta-num { font-size: 22px; }
  .hero-meta .divider { display: none; }

  .admin-window { height: 380px; grid-template-columns: 130px minmax(0, 1fr); border-radius: 20px; }
  .adm-side { padding: 14px 8px; font-size: 11px; }
  .adm-side-logo { font-size: 14px; padding: 4px 6px 14px; }
  .adm-nav-item { padding: 6px 6px; gap: 8px; font-size: 11px; }
  .adm-nav-item svg { width: 14px; height: 14px; }
  .adm-content { padding: 16px 14px; }
  .adm-h2 { font-size: 18px; }
  .adm-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .adm-cell { padding: 10px; }
  .adm-cell-num { font-size: 14px; }
  .adm-cell-num .cur { font-size: 9px; }

  .trust { grid-template-columns: 1fr 1fr; gap: 10px; margin: 28px 0; }
  .metric-card { padding: 22px 18px; }
  .metric-card .num { font-size: 32px; }
  .metric-card.bar { padding-left: 22px; }

  .section { padding: 56px 0; }
  .section h2 { font-size: 28px; line-height: 1.2; }
  .section .sub { font-size: 16px; }
  .two-col { grid-template-columns: 1fr; gap: 36px; }
  .two-col h2 { font-size: 26px; }

  .adv-grid { grid-template-columns: 1fr; }
  .adv-card { padding: 24px; }
  .adv-card h3 { font-size: 18px; }

  .steps-grid { grid-template-columns: 1fr; }
  .step-card { padding: 22px 20px; }

  .quote-card { padding: 28px 22px; }
  .quote-body { font-size: 18px; }
  .quote-mark { font-size: 56px; top: 12px; left: 18px; }
  .logo-strip { gap: 24px; padding: 18px 4px; }
  .logo-mark { font-size: 14px; }

  .industry-card { padding: 24px 22px; }
  .industry-card h3 { font-size: 19px; }
  .industry-row { grid-template-columns: 80px 1fr; gap: 8px; }
  .industry-row .v { font-size: 14px; }
  .industry-metric .num { font-size: 28px; }

  .calc { padding: 28px 22px; }
  .calc h3 { font-size: 22px; }
  .calc-out .rate { font-size: 32px; }
  .calc-ticks { font-size: 9.5px; }
  .calc-ticks span b { font-size: 11px; }

  .tg-block { grid-template-columns: 1fr; padding: 28px 22px; gap: 28px; }
  .tg-block h3 { font-size: 24px; }

  .dev-feature { padding: 32px 24px; gap: 28px; }
  .dev-feature-copy h2 { font-size: 26px; }
  .codeblock { font-size: 12px; }
  .codeblock-head { padding: 12px 14px; }
  .codeblock-body { padding: 14px; }

  .roadmap-chips { gap: 8px; }
  .roadmap-chip { padding: 8px 14px; font-size: 13px; }

  .faq-item { padding: 18px 18px; }
  .faq-item .q { font-size: 15px; }

  .footer { padding: 32px 22px; border-radius: 18px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer .logo { font-size: 22px; }
  .footer-legal { flex-direction: column; gap: 8px; }
}

/* ============================================================
   Dev compare callout (inside DevFeatured)
   ============================================================ */
.dev-compare { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; padding: 16px 18px; margin: 0 0 24px; max-width: 460px; }
.dev-compare-label { display: block; font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-highlight); margin-bottom: 6px; }
.dev-compare-text { display: block; font-size: 14px; color: #C2C8D2; line-height: 1.5; }

/* ============================================================
   Lead Form
   ============================================================ */
.lead-form-card { background: var(--color-surface); border-radius: 32px; padding: 56px; display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: start; scroll-margin-top: 100px; }
.lead-form-copy h2 { font-size: 38px; line-height: 1.1; font-weight: 700; margin: 0 0 16px; letter-spacing: -0.015em; max-width: 380px; }
.lead-form-copy .sub { font-size: 16px; color: var(--color-text-secondary); margin: 0 0 32px; line-height: 1.55; max-width: 420px; }
.lead-form-bullets { display: flex; flex-direction: column; gap: 14px; }
.lf-row { display: flex; align-items: baseline; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--color-border); }
.lf-row:last-child { border-bottom: none; }
.lf-num { font-size: 28px; font-weight: 700; color: var(--color-highlight); letter-spacing: -0.015em; min-width: 80px; }
.lf-lbl { font-size: 14px; color: var(--color-text-secondary); }

.lead-form-fields { background: #FFF; border-radius: 24px; padding: 36px; box-shadow: var(--shadow-card); border: 1px solid var(--color-border); }
.lead-form-fields form { display: flex; flex-direction: column; gap: 18px; }
.lf-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.lf-field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.lf-field label { font-family: var(--font-mono); font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-secondary); }
.lf-field input, .lf-field select, .lf-field textarea {
  width: 100%; box-sizing: border-box;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  outline: none;
  transition: border-color 150ms;
  font-weight: 400;
  resize: vertical;
}
.lf-field input:focus, .lf-field select:focus, .lf-field textarea:focus { border-color: var(--color-accent); background: #FFF; }
.lf-field textarea { min-height: 80px; }
.lf-fineprint { font-size: 12px; color: var(--color-text-muted); line-height: 1.55; margin-top: 4px; }
.lead-form-success { padding: 24px 0; }
.lead-form-success h3 { font-size: 24px; font-weight: 700; color: var(--color-highlight); margin: 0 0 12px; }
.lead-form-success p { font-size: 15px; color: var(--color-text-secondary); line-height: 1.6; margin: 0; }

@media (max-width: 1024px) {
  .lead-form-card { grid-template-columns: 1fr; padding: 40px; gap: 40px; }
  .roadmap-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-row { grid-template-columns: 1fr; }
  .cases-nav { flex-direction: row; justify-content: space-between; align-items: center; }
  .cases-dots { flex-direction: row; }
  .cases-arrows { flex-direction: row; }
}

@media (max-width: 768px) {
  .lead-form-card { padding: 28px 22px; gap: 28px; border-radius: 24px; }
  .lead-form-copy h2 { font-size: 26px; }
  .lead-form-fields { padding: 24px; }
  .lf-num { font-size: 22px; min-width: 60px; }
  .lf-grid-2 { grid-template-columns: 1fr; gap: 18px; }
  .roadmap-grid { grid-template-columns: 1fr; }
  .quote-body { font-size: 17px; }
  .quote-card { padding: 28px 22px; }
}

/* Process steps: equalize card heights so 5-col grid doesn't look ragged */
.steps-grid { align-items: stretch; }
.steps-grid-3 { grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step-card { display: flex; flex-direction: column; }
.step-card p { flex: 1; }

/* ============================================================
   Proof of Concept block (replaces named cases)
   ============================================================ */
.proof-card { background: var(--color-text); color: #FFF; border-radius: 32px; padding: 64px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; box-shadow: var(--shadow-dark); position: relative; overflow: hidden; }
.proof-card::before { content: ''; position: absolute; top: 0; right: 0; width: 60%; height: 100%; background: radial-gradient(circle at 80% 50%, rgba(31,111,235,0.18), transparent 60%); pointer-events: none; }
.proof-main { position: relative; z-index: 1; }
.proof-num { font-family: var(--font-display); font-size: 120px; font-weight: 700; line-height: 1; letter-spacing: -0.04em; color: #FFF; display: flex; align-items: flex-start; gap: 4px; }
.proof-num-suffix { color: var(--color-highlight); font-size: 64px; line-height: 1.2; }
.proof-lbl { font-size: 18px; color: #C2C8D2; margin-top: 18px; line-height: 1.4; max-width: 320px; }
.proof-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 32px; position: relative; z-index: 1; }
.proof-stat { padding-left: 16px; border-left: 2px solid var(--color-highlight); }
.proof-stat-num { font-size: 32px; font-weight: 700; color: #FFF; letter-spacing: -0.01em; line-height: 1.1; }
.proof-stat-lbl { font-size: 13px; color: #8B92A0; margin-top: 6px; line-height: 1.4; }

@media (max-width: 1024px) {
  .proof-card { grid-template-columns: 1fr; padding: 48px; gap: 40px; }
  .proof-num { font-size: 88px; }
  .proof-num-suffix { font-size: 48px; }
  .steps-grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .proof-card { padding: 32px 24px; border-radius: 24px; }
  .proof-num { font-size: 64px; }
  .proof-num-suffix { font-size: 36px; }
  .proof-lbl { font-size: 16px; }
  .proof-stats { grid-template-columns: 1fr; gap: 18px; }
  .proof-stat-num { font-size: 26px; }
}

/* ============================================================
   Product Features grid (full inventory)
   ============================================================ */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 8px; }
.feature-card { background: #FFF; border: 1px solid var(--color-border); border-radius: 18px; padding: 24px 22px; transition: all 200ms var(--ease-standard); display: flex; flex-direction: column; }
.feature-card:hover { border-color: var(--color-border-strong); transform: translateY(-2px); box-shadow: var(--shadow-card); }
.feature-tag { display: inline-block; font-family: var(--font-mono); font-size: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-highlight); background: var(--color-highlight-soft); padding: 4px 8px; border-radius: 5px; margin-bottom: 14px; align-self: flex-start; }
.feature-card h3 { font-size: 16px; font-weight: 700; line-height: 1.3; margin: 0 0 8px; letter-spacing: -0.005em; }
.feature-card p { font-size: 13.5px; color: var(--color-text-secondary); line-height: 1.55; margin: 0; flex: 1; }

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .features-grid { grid-template-columns: 1fr; }
}