/* ============================================================
   Vadym Rekel — Biegły Sądowy / Court Expert
   Design system: sober legal/forensic
   Palette: warm parchment ivory + deep ink/navy + muted bronze accent
   ============================================================ */

/* ---------- Type scale (fluid) ---------- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.3vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.1vw, 2.125rem);
  --text-2xl: clamp(2rem, 1.3rem + 2.2vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1.4rem + 3.4vw, 4.25rem);

  /* Spacing (4px base) */
  --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-sm: 0.25rem; --radius-md: 0.4rem; --radius-lg: 0.625rem;
  --radius-xl: 0.875rem; --radius-full: 9999px;

  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 680px;
  --content-default: 1000px;
  --content-wide: 1240px;

  --font-display: 'Source Serif 4', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Source Sans 3', 'Helvetica Neue', system-ui, sans-serif;
}

/* ---------- Light theme (parchment / ink / bronze) ---------- */
:root, [data-theme='light'] {
  --color-bg: #f4f1e9;            /* warm parchment */
  --color-surface: #faf8f2;       /* ivory card */
  --color-surface-2: #fdfcf8;
  --color-surface-offset: #ece7da;
  --color-divider: #ddd6c5;
  --color-border: #cdc5b1;

  --color-ink: #1b2330;           /* deep ink/navy */
  --color-text: #232b38;
  --color-text-muted: #5c6373;
  --color-text-faint: #9b9684;
  --color-text-inverse: #f6f3ea;

  --color-primary: #8a6a3b;       /* muted bronze */
  --color-primary-hover: #6f5226;
  --color-primary-soft: #e8dcc4;

  --color-navy: #1f2a3c;          /* deep navy for dark sections */
  --color-navy-2: #18222f;

  --shadow-sm: 0 1px 2px rgba(40, 35, 20, 0.06);
  --shadow-md: 0 6px 20px rgba(40, 35, 20, 0.09);
  --shadow-lg: 0 18px 44px rgba(30, 26, 14, 0.14);

  --grid-line: rgba(40, 45, 56, 0.06);
}

/* ---------- Dark theme ---------- */
[data-theme='dark'] {
  --color-bg: #14181f;
  --color-surface: #1b212b;
  --color-surface-2: #20272f;
  --color-surface-offset: #242b35;
  --color-divider: #2c333d;
  --color-border: #353d49;

  --color-ink: #e7e3d6;
  --color-text: #d8d6cd;
  --color-text-muted: #9aa0ab;
  --color-text-faint: #6b717c;
  --color-text-inverse: #f1efe6;

  --color-primary: #c79a5e;       /* lighter bronze for contrast */
  --color-primary-hover: #d8af74;
  --color-primary-soft: #2e2a20;

  --color-navy: #0f151d;
  --color-navy-2: #0b1016;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 18px 44px rgba(0, 0, 0, 0.5);

  --grid-line: rgba(220, 214, 197, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #14181f; --color-surface: #1b212b; --color-surface-2: #20272f;
    --color-surface-offset: #242b35; --color-divider: #2c333d; --color-border: #353d49;
    --color-ink: #e7e3d6; --color-text: #d8d6cd; --color-text-muted: #9aa0ab;
    --color-text-faint: #6b717c; --color-text-inverse: #f1efe6;
    --color-primary: #c79a5e; --color-primary-hover: #d8af74; --color-primary-soft: #2e2a20;
    --color-navy: #0f151d; --color-navy-2: #0b1016;
    --grid-line: rgba(220, 214, 197, 0.05);
  }
}

/* ============================================================
   Base reset
   ============================================================ */
*, *::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: 5rem;
}

html, body { overflow-x: hidden; max-width: 100%; }

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  font-feature-settings: 'liga' 1, 'kern' 1;
}

img, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-wrap: balance;
  line-height: 1.12;
  color: var(--color-ink);
  font-weight: 600;
  letter-spacing: -0.01em;
}

p, li { text-wrap: pretty; }
p { max-width: 68ch; }

a { color: var(--color-primary); text-decoration: none; }

::selection { background: var(--color-primary-soft); color: var(--color-ink); }

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

button { cursor: pointer; background: none; border: none; }

a, button, [role='button'], input, textarea, select {
  transition: color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important; scroll-behavior: auto !important;
  }
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

.skip-link {
  position: absolute; left: var(--space-4); top: -100%;
  background: var(--color-ink); color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-md);
  z-index: 200; transition: top 150ms ease;
}
.skip-link:focus { top: var(--space-4); }

/* ============================================================
   Layout primitives
   ============================================================ */
.container {
  width: 100%; max-width: var(--content-wide);
  margin-inline: auto; padding-inline: clamp(var(--space-5), 5vw, var(--space-16));
}
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

section { position: relative; }
.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
.section--tight { padding-block: clamp(var(--space-12), 6vw, var(--space-20)); }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.eyebrow::before {
  content: ''; width: 1.75rem; height: 1px; background: var(--color-primary);
  opacity: 0.7;
}

.section-title {
  font-size: var(--text-xl);
  margin-top: var(--space-4);
  max-width: 22ch;
}
.section-lead {
  margin-top: var(--space-5);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.55;
}

/* ============================================================
   Header / nav
   ============================================================ */
.header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px) saturate(1.1);
  border-bottom: 1px solid transparent;
  transition: border-color 250ms ease, box-shadow 250ms ease, background 250ms ease;
}
.header--scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-sm);
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-6); min-height: 4.5rem;
}
.brand { display: flex; align-items: center; gap: var(--space-3); color: var(--color-ink); }
.brand__mark { width: 2.5rem; height: 2.5rem; color: var(--color-primary); flex-shrink: 0; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name {
  font-family: var(--font-display); font-weight: 600; font-size: 1.0625rem;
  color: var(--color-ink); letter-spacing: -0.01em;
}
.brand__role {
  font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-text-muted); font-weight: 600;
}

.nav { display: flex; align-items: center; gap: var(--space-2); }
.nav__links { display: flex; align-items: center; gap: var(--space-1); list-style: none; }
.nav__link {
  color: var(--color-text-muted); font-size: var(--text-sm); font-weight: 500;
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-md);
}
.nav__link:hover { color: var(--color-ink); background: var(--color-surface-offset); }

.header__tools { display: flex; align-items: center; gap: var(--space-2); }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.5rem; height: 2.5rem; border-radius: var(--radius-md);
  color: var(--color-text-muted); border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.icon-btn:hover { color: var(--color-ink); border-color: var(--color-primary); }

/* Language switcher */
.lang { position: relative; }
.lang__toggle {
  display: inline-flex; align-items: center; gap: var(--space-2);
  height: 2.5rem; padding: 0 var(--space-3); border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface);
  color: var(--color-text); font-size: var(--text-sm); font-weight: 600;
}
.lang__toggle:hover { border-color: var(--color-primary); }
.lang__toggle svg { width: 1rem; height: 1rem; color: var(--color-text-muted); }
.lang__menu {
  position: absolute; right: 0; top: calc(100% + 0.4rem); min-width: 11rem;
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  padding: var(--space-2); list-style: none;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms;
  z-index: 120;
}
.lang[data-open='true'] .lang__menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang__item a {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-md);
  color: var(--color-text); font-size: var(--text-sm); font-weight: 500;
}
.lang__item a:hover { background: var(--color-surface-offset); }
.lang__item a[aria-current='true'] { color: var(--color-primary); font-weight: 700; }
.lang__item .lang__code {
  font-size: 0.6875rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-text-faint); font-weight: 700;
}

/* Mobile menu toggle */
.menu-toggle { display: none; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.01em;
  padding: 0.8rem 1.5rem; border-radius: var(--radius-md);
  border: 1px solid transparent; min-height: 2.875rem;
}
.btn--primary { background: var(--color-primary); color: #fdfbf5; }
.btn--primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.btn--ghost {
  background: transparent; color: var(--color-ink);
  border-color: var(--color-border);
}
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--on-dark { color: var(--color-text-inverse); border-color: rgba(255,255,255,0.28); }
.btn--on-dark:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn svg { width: 1rem; height: 1rem; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative; overflow: hidden;
  padding-block: clamp(var(--space-20), 11vw, var(--space-32));
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 100% 2.75rem,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 2.75rem 100%;
}
.hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 90% at 85% 10%,
    color-mix(in srgb, var(--color-primary-soft) 55%, transparent), transparent 60%);
  opacity: 0.5;
}
.hero__grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(var(--space-8), 5vw, var(--space-20));
  align-items: center;
}
.hero__credential {
  display: inline-flex; align-items: center; gap: var(--space-3);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: var(--space-6);
}
.hero__credential .rule { width: 2rem; height: 1px; background: currentColor; opacity: 0.6; }
.hero__title {
  font-size: var(--text-3xl); line-height: 1.05; font-weight: 600;
}
.hero__title em { font-style: italic; color: var(--color-primary); }
.hero__lead {
  margin-top: var(--space-6); font-size: var(--text-lg); color: var(--color-text-muted);
  line-height: 1.55; max-width: 54ch;
}
.hero__actions { margin-top: var(--space-8); display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero__meta {
  margin-top: var(--space-10); display: flex; flex-wrap: wrap; gap: var(--space-6);
  padding-top: var(--space-6); border-top: 1px solid var(--color-divider);
}
.hero__meta-item { display: flex; flex-direction: column; gap: 0.15rem; }
.hero__meta-item dt { font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-faint); font-weight: 600; }
.hero__meta-item dd { font-family: var(--font-display); font-size: var(--text-lg); color: var(--color-ink); font-weight: 600; }

/* Hero visual: forensic document/desk composition (SVG inline) */
.hero__visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
}
.hero__visual svg { width: 100%; height: 100%; }

/* ============================================================
   Credibility strip
   ============================================================ */
.cred {
  background: var(--color-ink);
  color: var(--color-text-inverse);
}
[data-theme='dark'] .cred { background: var(--color-navy-2); }
:root:not([data-theme]) .cred { background: var(--color-ink); }
@media (prefers-color-scheme: dark) { :root:not([data-theme]) .cred { background: var(--color-navy-2); } }
.cred__inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8); padding-block: var(--space-12);
}
.cred__item { display: flex; flex-direction: column; gap: var(--space-2); }
.cred__num {
  font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 600;
  color: var(--color-primary); line-height: 1;
}
[data-theme='dark'] .cred__num { color: var(--color-primary); }
.cred__label { font-size: var(--text-sm); color: rgba(246,243,234,0.78); line-height: 1.4; }
[data-theme='dark'] .cred__label { color: var(--color-text-muted); }

/* ============================================================
   Expertise (asymmetric, not 3-col cookie cutter)
   ============================================================ */
.expertise__head { max-width: 56ch; margin-bottom: clamp(var(--space-10), 5vw, var(--space-16)); }
.expertise__list { display: flex; flex-direction: column; }
.area {
  display: grid; grid-template-columns: auto 1fr auto; gap: clamp(var(--space-5), 4vw, var(--space-12));
  align-items: start;
  padding-block: clamp(var(--space-8), 4vw, var(--space-12));
  border-top: 1px solid var(--color-divider);
}
.area:last-child { border-bottom: 1px solid var(--color-divider); }
.area__index {
  font-family: var(--font-display); font-size: var(--text-lg); color: var(--color-primary);
  font-weight: 600; font-variant-numeric: tabular-nums;
}
.area__body { max-width: 60ch; }
.area__title { font-size: var(--text-lg); margin-bottom: var(--space-3); }
.area__desc { color: var(--color-text-muted); }
.area__tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.tag {
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.04em;
  color: var(--color-text-muted); background: var(--color-surface-offset);
  padding: 0.3rem 0.65rem; border-radius: var(--radius-full);
}
.area__icon { width: 3rem; height: 3rem; color: var(--color-primary); opacity: 0.9; }

/* ============================================================
   Process / engagement flow
   ============================================================ */
.process { background: var(--color-surface); border-block: 1px solid var(--color-divider); }
.process__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-1); margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  counter-reset: step;
}
.step {
  position: relative; padding: var(--space-6) var(--space-6) var(--space-8);
  border-radius: var(--radius-lg);
}
.step__num {
  font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-primary);
  font-weight: 600; font-variant-numeric: tabular-nums; display: block; margin-bottom: var(--space-3);
}
.step__num::after { content: ''; display: block; width: 2.25rem; height: 2px; background: var(--color-primary); opacity: 0.5; margin-top: var(--space-3); }
.step__title { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.step__desc { color: var(--color-text-muted); font-size: var(--text-sm); }

/* ============================================================
   Security / standards — two-column on navy
   ============================================================ */
.security { background: var(--color-navy); color: var(--color-text-inverse); }
[data-theme='light'] .security { background: var(--color-navy); }
.security h2, .security h3 { color: #f4f1e9; }
[data-theme='dark'] .security h2, [data-theme='dark'] .security h3 { color: var(--color-ink); }
.security__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(var(--space-10), 6vw, var(--space-24)); align-items: start; }
.security .eyebrow { color: var(--color-primary); }
.security__lead { color: rgba(244,241,233,0.8); font-size: var(--text-lg); margin-top: var(--space-5); line-height: 1.6; }
[data-theme='dark'] .security__lead { color: var(--color-text-muted); }
.spec-list { list-style: none; display: flex; flex-direction: column; gap: var(--space-1); }
.spec {
  display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); align-items: baseline;
  padding: var(--space-4) 0; border-top: 1px solid rgba(244,241,233,0.14);
}
[data-theme='dark'] .spec { border-top-color: var(--color-divider); }
.spec:last-child { border-bottom: 1px solid rgba(244,241,233,0.14); }
[data-theme='dark'] .spec:last-child { border-bottom-color: var(--color-divider); }
.spec__key { font-family: var(--font-display); color: var(--color-primary); font-weight: 600; font-size: var(--text-sm); letter-spacing: 0.06em; text-transform: uppercase; }
.spec__val { color: rgba(244,241,233,0.88); }
[data-theme='dark'] .spec__val { color: var(--color-text); }
.din-badge {
  display: inline-flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-2);
}
.din-badge span {
  font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.08em;
  color: var(--color-primary); border: 1px solid currentColor; border-radius: var(--radius-sm);
  padding: 0.2rem 0.5rem; font-variant-numeric: tabular-nums;
}

/* ============================================================
   Equipment
   ============================================================ */
.equip__grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-5); margin-top: clamp(var(--space-10), 5vw, var(--space-16));
}
.equip-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.equip-card svg { width: 2rem; height: 2rem; color: var(--color-primary); }
.equip-card h3 { font-size: var(--text-base); font-family: var(--font-display); }
.equip-card p { font-size: var(--text-sm); color: var(--color-text-muted); }
.equip-card--wide { grid-column: span 2; }

/* ============================================================
   Development / conferences — editorial two col
   ============================================================ */
.develop__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-10), 6vw, var(--space-20)); align-items: center; }
.quote-block {
  font-family: var(--font-display); font-size: var(--text-xl); line-height: 1.4;
  color: var(--color-ink); font-style: italic;
  border-left: 2px solid var(--color-primary); padding-left: var(--space-6);
}
.dev-points { list-style: none; display: flex; flex-direction: column; gap: var(--space-5); }
.dev-points li { display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); }
.dev-points svg { width: 1.4rem; height: 1.4rem; color: var(--color-primary); margin-top: 0.2rem; }
.dev-points strong { display: block; color: var(--color-ink); font-family: var(--font-display); font-weight: 600; }
.dev-points span { color: var(--color-text-muted); font-size: var(--text-sm); }

/* ============================================================
   Service area
   ============================================================ */
.area-served { background: var(--color-surface); border-block: 1px solid var(--color-divider); }
.area-served__grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(var(--space-10), 5vw, var(--space-20)); align-items: center; }
.cities { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.city {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-display); font-size: var(--text-lg); color: var(--color-ink); font-weight: 600;
  padding: var(--space-2) var(--space-4); border: 1px solid var(--color-border);
  border-radius: var(--radius-full); background: var(--color-surface-2);
}
.city--primary { border-color: var(--color-primary); color: var(--color-primary); }
.city svg { width: 0.85rem; height: 0.85rem; color: var(--color-primary); }
.map-frame {
  border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--color-border);
  background: var(--color-surface-2); box-shadow: var(--shadow-md);
}
.map-frame svg { width: 100%; height: auto; }

/* ============================================================
   Contact CTA
   ============================================================ */
.contact { text-align: left; }
.contact__card {
  background: var(--color-ink); color: var(--color-text-inverse);
  border-radius: var(--radius-xl); padding: clamp(var(--space-10), 6vw, var(--space-20));
  display: grid; grid-template-columns: 1.3fr 0.7fr; gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center; position: relative; overflow: hidden;
}
[data-theme='dark'] .contact__card { background: var(--color-navy-2); border: 1px solid var(--color-border); }
.contact__card .eyebrow { color: var(--color-primary); }
.contact h2 { color: #f6f3ea; font-size: var(--text-2xl); margin-top: var(--space-4); }
[data-theme='dark'] .contact h2 { color: var(--color-ink); }
.contact__lead { color: rgba(246,243,234,0.8); margin-top: var(--space-5); font-size: var(--text-lg); line-height: 1.55; }
[data-theme='dark'] .contact__lead { color: var(--color-text-muted); }
.contact__actions { display: flex; flex-direction: column; gap: var(--space-3); }
.contact__note { font-size: var(--text-xs); color: rgba(246,243,234,0.55); margin-top: var(--space-4); }
[data-theme='dark'] .contact__note { color: var(--color-text-faint); }

/* ============================================================
   Footer
   ============================================================ */
.footer { padding-block: var(--space-16) var(--space-10); border-top: 1px solid var(--color-divider); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-10); }
.footer__brand { max-width: 38ch; }
.footer__brand p { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: var(--space-4); }
.footer__col h4 { font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-faint); font-family: var(--font-body); font-weight: 700; margin-bottom: var(--space-4); }
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer__col a, .footer__col li { color: var(--color-text-muted); font-size: var(--text-sm); }
.footer__col a:hover { color: var(--color-primary); }
.footer__bottom {
  margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px solid var(--color-divider);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4);
  font-size: var(--text-xs); color: var(--color-text-faint);
}
.footer__attr a { color: var(--color-text-muted); }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16,1,0.3,1); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ============================================================
   Responsive
   Mobile-first base styles above; breakpoints below scale UP.
   Phone ~360-430 | Tablet/iPad ~768-1024 | Laptop/Desktop 1280+
   ============================================================ */

/* Tablet / iPad: balance 2-up grids before full desktop */
@media (min-width: 721px) and (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1.05fr 0.95fr; gap: var(--space-10); }
  .cred__inner { grid-template-columns: repeat(2, 1fr); gap: var(--space-8) var(--space-10); }
  .equip__grid { grid-template-columns: repeat(2, 1fr); }
  .equip-card--wide { grid-column: span 2; }
  .footer__grid { grid-template-columns: 2fr 1fr 1fr; }
}

@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { max-width: 460px; margin-inline: auto; order: -1; aspect-ratio: 16/11; }
  .cred__inner { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
  .security__grid, .develop__grid, .area-served__grid, .contact__card { grid-template-columns: 1fr; }
  .contact__card { text-align: left; }
  .equip-card--wide { grid-column: auto; }
}

@media (max-width: 720px) {
  .nav__links { display: none; }
  .menu-toggle { display: inline-flex; }
  .nav.is-open .nav__links {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--color-surface-2); border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg); padding: var(--space-4); gap: var(--space-1);
  }
  .nav.is-open .nav__link { padding: var(--space-3) var(--space-4); font-size: var(--text-base); }
  .header { position: sticky; }
  .area { grid-template-columns: 1fr; gap: var(--space-4); }
  .area__icon { display: none; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero__meta { gap: var(--space-5); }
  .brand__role { display: none; }
}

@media (max-width: 480px) {
  .cred__inner { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; }
}