/* ============================================================
   KS Consulting — Design System
   Premium education & qualifications consultancy
   Navy (#012656) primary, mid-blue accent, white surfaces
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Type scale (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.83rem + 0.2vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.04rem + 0.45vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1.1vw, 2.125rem);
  --text-2xl: clamp(2rem, 1.4rem + 2.4vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1.4rem + 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 */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Content widths */
  --content-narrow: 680px;
  --content-default: 1020px;
  --content-wide: 1240px;

  /* Transitions */
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Fonts — Brand Option B (The Specialist) */
  --font-display: 'IBM Plex Serif', Georgia, 'Times New Roman', serif;
  --font-body: 'IBM Plex Sans', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ---------- Light mode (default) ---------- */
:root,
[data-theme='light'] {
  --color-bg: #ffffff;
  --color-surface: #f7f9fc;
  --color-surface-2: #eef2f8;
  --color-surface-offset: #e7edf6;
  --color-border: #dde4ee;
  --color-divider: #e9eef5;

  --color-text: #0f1f33;
  --color-text-muted: #4d5e74;
  --color-text-faint: #8a98ab;
  --color-text-inverse: #ffffff;

  --color-navy: #082c59;
  --color-navy-deep: #04203f;
  --color-primary: #082c59;
  --color-primary-hover: #0c3f7d;
  --color-accent: #1f6fd4;
  --color-accent-hover: #1759ad;
  --color-accent-soft: #eaf2fc;

  /* Brand Option B secondary highlight — fresh teal */
  --color-teal: #11a3a3;
  --color-teal-hover: #0d8888;
  --color-teal-soft: #e3f5f5;

  --shadow-sm: 0 1px 2px rgba(1, 38, 86, 0.06), 0 1px 3px rgba(1, 38, 86, 0.05);
  --shadow-md: 0 6px 18px rgba(1, 38, 86, 0.08);
  --shadow-lg: 0 18px 48px rgba(1, 38, 86, 0.12);

  --hero-grad: linear-gradient(160deg, #ffffff 0%, #f3f7fc 55%, #eaf1fa 100%);
}

/* ---------- Dark mode ---------- */
[data-theme='dark'] {
  --color-bg: #0a1626;
  --color-surface: #0f1f33;
  --color-surface-2: #142840;
  --color-surface-offset: #18304c;
  --color-border: #21384f;
  --color-divider: #1a2e44;

  --color-text: #e8eef6;
  --color-text-muted: #9fb1c6;
  --color-text-faint: #6b7e96;
  --color-text-inverse: #0a1626;

  --color-navy: #e8eef6;
  --color-navy-deep: #ffffff;
  --color-primary: #4f93e0;
  --color-primary-hover: #6ba6e8;
  --color-accent: #5b9ce6;
  --color-accent-hover: #7db0ec;
  --color-accent-soft: #16304c;

  --color-teal: #3fc8c8;
  --color-teal-hover: #5fd6d6;
  --color-teal-soft: #103030;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.55);

  --hero-grad: linear-gradient(160deg, #0a1626 0%, #0d1f36 55%, #102844 100%);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0a1626;
    --color-surface: #0f1f33;
    --color-surface-2: #142840;
    --color-surface-offset: #18304c;
    --color-border: #21384f;
    --color-divider: #1a2e44;
    --color-text: #e8eef6;
    --color-text-muted: #9fb1c6;
    --color-text-faint: #6b7e96;
    --color-text-inverse: #0a1626;
    --color-navy: #e8eef6;
    --color-navy-deep: #ffffff;
    --color-primary: #4f93e0;
    --color-primary-hover: #6ba6e8;
    --color-accent: #5b9ce6;
    --color-accent-hover: #7db0ec;
    --color-accent-soft: #16304c;
    --color-teal: #3fc8c8;
    --color-teal-hover: #5fd6d6;
    --color-teal-soft: #103030;
    --hero-grad: linear-gradient(160deg, #0a1626 0%, #0d1f36 55%, #102844 100%);
  }
  /* Auto dark mode: swap header logo to the white version too */
  :root:not([data-theme]) .header .brand__logo--dark { display: none; }
  :root:not([data-theme]) .header .brand__logo--light { display: block; }
}

/* ============================================================
   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: 6rem;
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition), color var(--transition);
}

img,
picture,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.01em;
  text-wrap: balance;
  color: var(--color-text);
}

p, li {
  text-wrap: pretty;
}

/* Brand rule: never use italic / cursive type anywhere */
em, i, cite, blockquote, address, var, dfn, q {
  font-style: normal;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--color-accent-hover);
}

ul[role='list'] {
  list-style: none;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

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

::selection {
  background: rgba(31, 111, 212, 0.2);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  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;
  }
}

.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;
}

/* ============================================================
   Layout primitives
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}
.container--default { max-width: var(--content-default); }
.container--narrow { max-width: var(--content-narrow); }

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
.section--tight {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
.section--surface { background: var(--color-surface); }
.section--navy {
  background: var(--color-navy);
  color: var(--color-text-inverse);
}
[data-theme='dark'] .section--navy { background: var(--color-surface-2); }
.section--navy h1, .section--navy h2, .section--navy h3 { color: #fff; }
[data-theme='dark'] .section--navy h1,
[data-theme='dark'] .section--navy h2,
[data-theme='dark'] .section--navy h3 { color: var(--color-text); }

/* Eyebrow label */
.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: 0.14em;
  text-transform: uppercase;
  color: var(--color-teal);
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1.5px;
  background: var(--color-teal);
}
.section--navy .eyebrow { color: var(--color-teal); }
.section--navy .eyebrow::before { background: var(--color-teal); }

.section-head {
  max-width: 740px;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.section-head--center {
  margin-inline: auto;
  text-align: center;
}
.section-head--center .eyebrow::before { display: none; }
.section-head h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-4);
}
.section-head p {
  margin-top: var(--space-5);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.6rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.section--navy .btn--secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}
.section--navy .btn--secondary:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}
.btn--light {
  background: #fff;
  color: var(--color-navy);
  border-color: #fff;
}
.btn--light:hover {
  background: var(--color-accent-soft);
  color: var(--color-navy);
  transform: translateY(-1px);
}

/* ============================================================
   Header
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.header--scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 76px;
}
.brand {
  display: inline-flex;
  align-items: center;
}
/* Real KS Consulting logo lockup (image). Height-constrained, width auto. */
.brand__logo {
  display: block;
  height: 42px;
  width: auto;
}
/* Header: show navy logo on light theme, white logo on dark theme. */
.header .brand__logo--light { display: none; }
.header .brand__logo--dark { display: block; }
[data-theme="dark"] .header .brand__logo--dark { display: none; }
[data-theme="dark"] .header .brand__logo--light { display: block; }
/* Footer logo (always on navy background) uses the white version. */
.footer__brand .brand__logo { height: 40px; }

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav__link {
  padding: 0.5rem 0.85rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  position: relative;
}
.nav__link:hover { color: var(--color-text); }
.nav__link[aria-current='page'] {
  color: var(--color-navy);
  font-weight: 600;
}
.nav__link[aria-current='page']::after {
  content: '';
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.theme-toggle:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.header__cta { display: inline-flex; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-navy);
  border-radius: var(--radius-sm);
}

/* Mobile nav */
@media (max-width: 920px) {
  .nav, .header__cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav.is-open {
    display: flex;
    position: absolute;
    top: 76px;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-4);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }
  .nav.is-open .nav__link {
    padding: var(--space-4);
    font-size: var(--text-base);
    border-bottom: 1px solid var(--color-divider);
  }
  .nav.is-open .nav__link[aria-current='page']::after { display: none; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  background: var(--hero-grad);
  overflow: hidden;
  border-bottom: 1px solid var(--color-divider);
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(1, 38, 86, 0.045) 1px, transparent 0);
  background-size: 28px 28px;
  pointer-events: none;
}
[data-theme='dark'] .hero::after {
  background-image: radial-gradient(circle at 1px 1px, rgba(143, 192, 255, 0.05) 1px, transparent 0);
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: center;
  padding-block: clamp(var(--space-20), 9vw, var(--space-32));
}
.hero__content { max-width: 620px; }
.hero h1 {
  font-size: var(--text-3xl);
  margin-top: var(--space-5);
  letter-spacing: -0.02em;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-accent);
}
.hero__sub {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 56ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.hero__visual {
  position: relative;
}
.hero__visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.hero__badge {
  position: absolute;
  bottom: -22px;
  left: -22px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-md);
  max-width: 230px;
}
.hero__badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-navy);
}
.hero__badge span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Page hero (interior pages) */
.page-hero {
  background: var(--hero-grad);
  border-bottom: 1px solid var(--color-divider);
  position: relative;
}
.page-hero__inner {
  padding-block: clamp(var(--space-16), 7vw, var(--space-24));
  max-width: 760px;
}
.page-hero h1 {
  font-size: var(--text-2xl);
  margin-top: var(--space-4);
}
.page-hero p {
  margin-top: var(--space-5);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

/* ============================================================
   Stats / credibility
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
}
.stat {
  padding: var(--space-8) var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.stat:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.stat__icon {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}
.stat__icon svg { width: 22px; height: 22px; }
.stat h3 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.stat p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ============================================================
   Cards grid (services overview)
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
}
.s-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.section--surface .s-card { background: var(--color-bg); }
.s-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}
.s-card__icon {
  width: 46px; height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-navy);
  color: #fff;
  margin-bottom: var(--space-6);
}
[data-theme='dark'] .s-card__icon { background: var(--color-accent); }
.s-card__icon svg { width: 24px; height: 24px; }
.s-card h3 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.s-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}
.s-card__link {
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.s-card__link svg { width: 16px; height: 16px; transition: transform var(--transition); }
.s-card:hover .s-card__link svg { transform: translateX(4px); }

/* ============================================================
   Split / feature
   ============================================================ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: center;
}
.split--reverse .split__media { order: -1; }
.split__media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 5 / 4;
  object-fit: cover;
}
.split__body h2 { font-size: var(--text-2xl); }
.feature-list {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.feature-list li {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.feature-list .tick {
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.feature-list .tick svg { width: 14px; height: 14px; }
.feature-list strong {
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--color-text);
}
.feature-list span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================================
   Services detail (services page)
   ============================================================ */
.svc {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  border-top: 1px solid var(--color-divider);
}
.svc:first-of-type { border-top: none; }
.svc__head { position: sticky; top: 100px; align-self: start; }
.svc__num {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}
.svc__head h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-3);
}
.svc__head .svc__icon {
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}
.svc__icon svg { width: 26px; height: 26px; }
.svc__body > p { color: var(--color-text-muted); font-size: var(--text-base); }
.svc__detail {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8) var(--space-10);
}
.svc__block h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.svc__block ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.svc__block li {
  position: relative;
  padding-left: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.svc__block li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.55em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}
.svc__block p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ============================================================
   Sectors
   ============================================================ */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}
.sector {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-8);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.sector:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.sector__icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-navy);
  color: #fff;
}
[data-theme='dark'] .sector__icon { background: var(--color-accent); }
.sector__icon svg { width: 24px; height: 24px; }
.sector h3 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.sector p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }

/* ============================================================
   Projects
   ============================================================ */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-8);
}
.proj {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.proj:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.proj__img { aspect-ratio: 16 / 10; overflow: hidden; }
.proj__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms cubic-bezier(0.16,1,0.3,1); }
.proj:hover .proj__img img { transform: scale(1.04); }
.proj__body { padding: var(--space-6); display: flex; flex-direction: column; flex: 1; }
.proj__tag {
  align-self: flex-start;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}
.proj h3 { font-family: var(--font-body); font-size: var(--text-lg); font-weight: 600; margin-bottom: var(--space-3); }
.proj p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; flex: 1; }
.proj__meta {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  display: flex;
  gap: var(--space-6);
}
.proj__meta div span { display: block; font-size: var(--text-xs); color: var(--color-text-faint); }
.proj__meta div strong { font-family: var(--font-body); font-size: var(--text-sm); color: var(--color-text); }

/* ============================================================
   About
   ============================================================ */
.profile {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: start;
}
.profile__media { position: sticky; top: 100px; }
.profile__media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.profile__card {
  margin-top: var(--space-5);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.profile__card .row { display: flex; justify-content: space-between; padding: var(--space-2) 0; font-size: var(--text-sm); }
.profile__card .row + .row { border-top: 1px solid var(--color-divider); }
.profile__card .row span { color: var(--color-text-muted); }
.profile__card .row strong { font-family: var(--font-body); font-weight: 600; }
.profile__body h2 { font-size: var(--text-2xl); }
.profile__body p { margin-top: var(--space-5); color: var(--color-text-muted); }
.profile__body h3 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-6);
}
.value {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}
.value .value__icon { color: var(--color-accent); margin-bottom: var(--space-4); }
.value .value__icon svg { width: 26px; height: 26px; }
.value h4 { font-family: var(--font-body); font-size: var(--text-base); font-weight: 600; margin-bottom: var(--space-2); }
.value p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* Achievements */
.achieve-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-8);
}
.achieve strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-accent);
  line-height: 1;
}
.achieve span { display: block; margin-top: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); }

/* ============================================================
   Testimonials
   ============================================================ */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}
.quote {
  padding: var(--space-8);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
}
.quote__mark { font-family: var(--font-display); font-size: 3rem; line-height: 0.6; color: var(--color-teal); height: 1.4rem; }
.quote blockquote { font-size: var(--text-base); color: var(--color-text); line-height: 1.65; flex: 1; }
.quote__author { margin-top: var(--space-6); display: flex; align-items: center; gap: var(--space-3); }
.quote__avatar {
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
}
[data-theme='dark'] .quote__avatar { background: var(--color-accent); }
.quote__author cite { font-style: normal; }
.quote__author cite strong { display: block; font-family: var(--font-body); font-weight: 600; font-size: var(--text-sm); }
.quote__author cite span { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ============================================================
   CTA band
   ============================================================ */
.cta-band {
  text-align: center;
}
.cta-band h2 { font-size: var(--text-2xl); max-width: 18ch; margin-inline: auto; }
.cta-band p { margin-top: var(--space-5); font-size: var(--text-lg); color: rgba(255,255,255,0.8); max-width: 52ch; margin-inline: auto; }
[data-theme='dark'] .cta-band p { color: var(--color-text-muted); }
.cta-band .hero__actions { justify-content: center; }

/* ============================================================
   Contact
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: start;
}
.contact-info h2 { font-size: var(--text-2xl); }
.contact-info > p { margin-top: var(--space-5); color: var(--color-text-muted); }
.contact-channels { margin-top: var(--space-10); display: flex; flex-direction: column; gap: var(--space-5); }
.contact-channel { display: flex; gap: var(--space-4); align-items: flex-start; }
.contact-channel__icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
}
.contact-channel__icon svg { width: 22px; height: 22px; }
.contact-channel span { display: block; font-size: var(--text-xs); color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.contact-channel a, .contact-channel strong { font-family: var(--font-body); font-weight: 600; font-size: var(--text-base); color: var(--color-text); }
.contact-channel a:hover { color: var(--color-accent); }

.form {
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.field { margin-bottom: var(--space-5); }
.field label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.field label .req { color: var(--color-accent); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(31, 111, 212, 0.12);
}
.field textarea { resize: vertical; min-height: 130px; }
.consent {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.consent input { width: 18px; height: 18px; margin-top: 3px; flex-shrink: 0; accent-color: var(--color-accent); }
.consent a { font-weight: 600; }
.form .btn--primary { width: 100%; margin-top: var(--space-6); }
.form__note { margin-top: var(--space-4); font-size: var(--text-xs); color: var(--color-text-faint); text-align: center; }
.form__success {
  display: none;
  padding: var(--space-6);
  text-align: center;
  background: var(--color-accent-soft);
  border-radius: var(--radius-md);
  color: var(--color-navy);
}
[data-theme='dark'] .form__success { color: var(--color-text); }
.form__success.is-visible { display: block; }
.form__success svg { width: 40px; height: 40px; margin: 0 auto var(--space-3); color: var(--color-accent); }

/* ============================================================
   FAQ / approach steps
   ============================================================ */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-8); counter-reset: step; }
.step { position: relative; }
.step__num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.step h4 { font-family: var(--font-body); font-size: var(--text-lg); font-weight: 600; margin-bottom: var(--space-2); }
.step p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--color-navy-deep);
  color: rgba(255, 255, 255, 0.7);
  padding-block: clamp(var(--space-16), 6vw, var(--space-20)) var(--space-8);
}
[data-theme='dark'] .footer { background: #060f1c; border-top: 1px solid var(--color-border); }
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer__about { margin-top: var(--space-5); font-size: var(--text-sm); max-width: 38ch; line-height: 1.6; }
.footer h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-5);
}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer ul a, .footer__contact a, .footer__contact span { color: rgba(255, 255, 255, 0.7); font-size: var(--text-sm); }
.footer ul a:hover, .footer__contact a:hover { color: #fff; }
.footer__contact { display: flex; flex-direction: column; gap: var(--space-3); font-size: var(--text-sm); }
.footer__social { display: flex; gap: var(--space-3); margin-top: var(--space-2); }
.footer__social a {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.7);
}
.footer__social a:hover { border-color: #fff; color: #fff; }
.footer__social svg { width: 18px; height: 18px; }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-8);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
}
.footer__bottom a { color: rgba(255, 255, 255, 0.5); }
.footer__bottom a:hover { color: #fff; }
.footer__legal { display: flex; gap: var(--space-5); flex-wrap: wrap; }

/* ============================================================
   Reveal animation (subtle)
   Content is visible by default. Only when JS confirms it can
   run does it set [data-reveal-ready] on <html>, opting elements
   into the hidden-then-animate behaviour. This guarantees no
   blank sections if JS is slow, blocked, or fails.
   ============================================================ */
[data-reveal-ready] .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal-ready] .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal-ready] .reveal,
  [data-reveal-ready] .reveal.is-visible { opacity: 1; transform: none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { max-width: 480px; }
  .split, .profile, .contact-grid { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .svc { grid-template-columns: 1fr; gap: var(--space-6); }
  .svc__head { position: static; }
  .profile__media { position: static; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .svc__detail { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .hero__badge { left: 0; bottom: -16px; }
  .proj__meta { flex-direction: column; gap: var(--space-3); }
}
@media (max-width: 480px) {
  /* Smaller logo on narrow phones so it never crowds the menu button */
  .header .brand__logo { height: 34px; }
}