/* Self-hosted fonts — see assets/fonts/licenses/
   Satoshi © Indian Type Foundry, ITF Free Font License (assets/fonts/licenses/Satoshi-ITF-FFL.txt)
   JetBrains Mono © The JetBrains Mono Project Authors, SIL OFL 1.1 (assets/fonts/licenses/JetBrainsMono-OFL.txt) */
@font-face {
  font-family: 'Satoshi';
  src: url('assets/fonts/satoshi-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Satoshi';
  src: url('assets/fonts/satoshi-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Satoshi';
  src: url('assets/fonts/satoshi-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('assets/fonts/jetbrains-mono-400-latin.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('assets/fonts/jetbrains-mono-400-latin-ext.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('assets/fonts/jetbrains-mono-500-latin.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('assets/fonts/jetbrains-mono-500-latin-ext.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* =========================================================
   SoftQ — design tokens
   Brand blue sampled from the existing logo: #2171B9
   ========================================================= */
:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.35rem + 2.4vw, 3.25rem);

  /* Spacing */
  --space-1: 0.25rem;  --space-2: 0.5rem;   --space-3: 0.75rem;
  --space-4: 1rem;     --space-5: 1.25rem;  --space-6: 1.5rem;
  --space-8: 2rem;     --space-10: 2.5rem;  --space-12: 3rem;
  --space-16: 4rem;    --space-20: 5rem;    --space-24: 6rem;
  --space-32: 8rem;

  /* Radius / motion */
  --radius-sm: 2px;
  --radius-md: 3px;
  --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);

  /* Fonts */
  --font-display: 'Satoshi', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Brand constant */
  --brand: #2171b9;
}

/* Dark (default — matches the existing white logo and photographic backdrop) */
:root,
[data-theme='dark'] {
  --color-bg: #0b0f14;
  --color-surface: #10151b;
  --color-surface-2: #151b23;
  --color-surface-offset: #0e1319;
  --color-divider: #1a222b;
  --color-border: #263039;
  --color-text: #e7ebf0;
  --color-text-muted: #98a3af;
  --color-text-faint: #6a7480;
  --color-primary: #57a5e6;
  --color-primary-hover: #7cbcf1;
  --color-primary-quiet: rgba(87, 165, 230, 0.12);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.45);
}

[data-theme='light'] {
  --color-bg: #f4f6f8;
  --color-surface: #ffffff;
  --color-surface-2: #fbfcfd;
  --color-surface-offset: #e9edf1;
  --color-divider: #e0e5ea;
  --color-border: #d3dae1;
  --color-text: #0d1319;
  --color-text-muted: #57626e;
  --color-text-faint: #8a94a0;
  --color-primary: #14568f;
  --color-primary-hover: #0f4270;
  --color-primary-quiet: rgba(33, 113, 185, 0.1);
  --shadow-md: 0 8px 28px rgba(13, 19, 25, 0.1);
}

/* =========================================================
   Base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 136px;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

img, svg, picture, video { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
p { text-wrap: pretty; }

a { color: inherit; }
a, button { transition: color var(--transition-interactive), background var(--transition-interactive), border-color var(--transition-interactive), opacity var(--transition-interactive); }

::selection { background: var(--brand); color: #fff; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--brand);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
}
.skip:focus { left: var(--space-4); top: var(--space-4); }

.shell {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Shared type helpers */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}
.eyebrow .num { color: var(--color-primary); margin-right: var(--space-3); }

.lead {
  font-size: var(--text-lg);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.82);
  max-width: 56ch;
}

.hero__note { max-width: 60ch; }

.hero__sig {
  margin-top: var(--space-3);
  text-align: right;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
}

.hero__sub {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.66);
}

.section__intro {
  color: var(--color-text-muted);
  max-width: 62ch;
  margin-top: var(--space-5);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  padding: 0.9rem 1.4rem;
  border: 1px solid var(--brand);
  border-radius: var(--radius-md);
  background: var(--brand);
  color: #fff;
  white-space: nowrap;
}
.btn:hover { background: #1a5e9c; border-color: #1a5e9c; }

.btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; }

.btn--sm { padding: 0.65rem 1.05rem; }

/* =========================================================
   Header — logo keeps its original top-left plaque
   ========================================================= */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  transition: background var(--transition-interactive), border-color var(--transition-interactive);
  border-bottom: 1px solid transparent;
}
.site-header--scrolled {
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--color-border);
}

.site-header__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-4) var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.logo {
  background-color: rgba(0, 0, 0, 0.7);
  padding: 18px 20px 14px 21px;
  line-height: 0;
  flex: none;
}
.logo img { width: 128px; height: auto; }

.nav {
  margin-left: auto;
  display: flex;
  gap: var(--space-6);
  font-size: var(--text-sm);
}
.nav a { text-decoration: none; color: rgba(255, 255, 255, 0.78); }
.site-header--scrolled .nav a { color: var(--color-text-muted); }
.nav a:hover { color: var(--color-primary); }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }

.theme-toggle {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.85);
}
.site-header--scrolled .theme-toggle { border-color: var(--color-border); color: var(--color-text-muted); }
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }

/* Language switch */
.lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding-inline: var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.82);
}
.lang:hover { color: #fff; border-color: var(--color-primary); background: rgba(33, 113, 185, 0.16); }
.site-header--scrolled .lang { border-color: var(--color-border); color: var(--color-text-muted); }
.site-header--scrolled .lang:hover { color: var(--color-primary); border-color: var(--color-primary); }

.menu-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-md);
  padding: 11px 9px;
  flex-direction: column;
  justify-content: space-between;
}
.menu-toggle span { display: block; height: 1.5px; background: #fff; }
.site-header--scrolled .menu-toggle { border-color: var(--color-border); }
.site-header--scrolled .menu-toggle span { background: var(--color-text); }

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2) var(--gutter) var(--space-4);
}
.mobile-nav a {
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--text-sm);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav[hidden] { display: none; }

/* =========================================================
   Hero — original background photograph, retained
   ========================================================= */
.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: flex-end;
  min-height: min(88vh, 780px);
  padding-block: clamp(var(--space-24), 22vh, var(--space-32)) clamp(var(--space-12), 8vh, var(--space-20));
  background: #05080b;
  overflow: hidden;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: #05080b url('assets/bg.png') no-repeat center center / cover;
}
.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg, rgba(3, 6, 9, 0.94) 0%, rgba(3, 6, 9, 0.86) 42%, rgba(4, 10, 18, 0.5) 100%),
    linear-gradient(to top, rgba(3, 6, 9, 0.96) 0%, rgba(3, 6, 9, 0) 55%);
}
.hero__body { position: relative; }
.hero h1 {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: #fff;
  max-width: 22ch;
  margin-bottom: var(--space-6);
}
.hero .eyebrow { color: rgba(255, 255, 255, 0.72); }
.hero .eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--brand);
  vertical-align: middle;
  margin-right: var(--space-3);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

/* Responsive versions of the original artwork */
@media (max-width: 1024px) {
  .hero__media { background-image: url('assets/bg_1024.png'); }
}
@media (max-width: 768px) {
  .hero__media { background-image: url('assets/bg_768.jpg'); }
}
@media (max-width: 400px) {
  .hero__media { background-image: url('assets/bg_320.jpg'); }
}

/* =========================================================
   Facts strip
   ========================================================= */
.facts {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.facts__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding-block: 0;
}
.fact {
  padding: var(--space-8) var(--space-6) var(--space-8) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: relative;
}
.fact + .fact { padding-left: var(--space-6); }
.fact + .fact::before {
  content: '';
  position: absolute;
  left: 0;
  top: var(--space-8);
  bottom: var(--space-8);
  width: 1px;
  background: var(--color-divider);
}
.fact__k {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.fact__v { font-size: var(--text-sm); color: var(--color-text); }

/* =========================================================
   Sections
   ========================================================= */
.section { padding-block: clamp(var(--space-16), 9vw, var(--space-32)); }
.section--offset { background: var(--color-surface-offset); border-block: 1px solid var(--color-border); }

.section__head { margin-bottom: clamp(var(--space-10), 5vw, var(--space-16)); }
.section__head h2 { font-size: var(--text-xl); max-width: 26ch; }

/* Capability cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
.card {
  background: var(--color-surface);
  padding: clamp(var(--space-6), 2.4vw, var(--space-10));
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: background var(--transition-interactive);
}
.card:hover { background: var(--color-surface-2); }
.card .ico { width: 28px; height: 28px; color: var(--color-primary); }
.card h3 { font-size: var(--text-lg); font-weight: 700; }
.card p { font-size: var(--text-sm); color: var(--color-text-muted); }
.card p a { color: var(--color-primary); text-decoration: none; border-bottom: 1px solid currentColor; }
.card p a:hover { color: var(--color-primary-hover); }

/* Eight-card grid for one-sentence capabilities */
.cards--four { grid-template-columns: repeat(4, 1fr); }
.cards--four .card h3 { font-size: var(--text-base); line-height: 1.3; }
.cards--four .card p { font-size: var(--text-xs); line-height: 1.6; }

/* Slim "also part of the job" row */
.also { margin-top: clamp(var(--space-8), 3vw, var(--space-12)); }
.also__k {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-5);
}
.also__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5) clamp(var(--space-6), 3vw, var(--space-12));
}
.also__list li {
  font-size: var(--text-xs);
  line-height: 1.65;
  color: var(--color-text-muted);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}
.also__list strong { color: var(--color-text); font-weight: 500; }

/* Section head with no trailing gap (single-paragraph sections) */
.section__head--flush { margin-bottom: 0; }

/* Approach steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(var(--space-8), 4vw, var(--space-16));
}
.step { border-top: 2px solid var(--color-primary); padding-top: var(--space-6); }
.step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.step h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); }
.step p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* Statement band */
.statement {
  background:
    linear-gradient(105deg, rgba(26, 92, 152, 0.95) 0%, rgba(33, 113, 185, 0.86) 100%),
    #2171b9 url('assets/bg.png') no-repeat center center / cover;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.statement blockquote {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-xl);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: #fff;
  max-width: 34ch;
}

/* Standards chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.chips li {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-full);
}

/* Engagement models */
.models {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.model {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: clamp(var(--space-6), 2.4vw, var(--space-10));
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.model--featured { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.model__k {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.model h3 { font-size: var(--text-lg); }
.model p:last-child { font-size: var(--text-sm); color: var(--color-text-muted); }

/* Contact */
.contact {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
  border-top: 1px solid var(--color-border);
}
.contact__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(var(--space-10), 6vw, var(--space-24));
  align-items: start;
}
.contact__grid h2 { font-size: var(--text-xl); max-width: 22ch; }
.contact__list { display: flex; flex-direction: column; }
.contact__list li {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-divider);
}
.contact__list li:first-child { border-top: 1px solid var(--color-divider); }
.contact__k {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.contact__v { font-size: var(--text-lg); text-decoration: none; line-height: 1.35; }
a.contact__v:hover { color: var(--color-primary); }

/* Footer — always dark so the white logo stays legible */
.site-footer {
  background: #05080b;
  border-top: 1px solid #1a222b;
  padding-block: var(--space-12);
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4) var(--space-8);
}
.site-footer__logo { width: 128px; }
.site-footer__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: #7d8895;
}
.site-footer__meta:last-child { margin-left: auto; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1240px) {
  .cards--four { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1020px) {
  .cards, .steps, .models, .cards--four { grid-template-columns: repeat(2, 1fr); }
  .also__list { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav { display: none; }
  .menu-toggle { display: flex; }
  .mobile-nav:not([hidden]) { display: flex; }
  .header-actions { margin-left: auto; }
  .site-header__inner { padding-block: var(--space-3); }
  .logo img { width: 104px; }
  .logo { padding: 14px 16px 11px 16px; }
}

@media (max-width: 680px) {
  .cards, .steps, .models, .cards--four { grid-template-columns: 1fr; }
  .facts__grid { grid-template-columns: 1fr; }
  .fact { padding: var(--space-5) 0; }
  .fact + .fact { padding-left: 0; }
  .fact + .fact::before { left: 0; right: 0; top: 0; bottom: auto; width: auto; height: 1px; }
  .hero { min-height: auto; padding-top: calc(var(--space-24) + var(--space-8)); }
  .btn--sm { display: none; }
  .site-footer__meta:last-child { margin-left: 0; }
}