/* ─────────────────────────────────────────────
   CONSULT SOLUTIONS — style.css
   Audience: Government procurement officers
   Aesthetic: Authoritative, clean, institutional
   Palette: Deep navy + teal accent + warm neutral
───────────────────────────────────────────── */

/* ── Design Tokens ── */
:root,
[data-theme='light'] {
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;

  --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, 1.2rem + 2.5vw, 3.25rem);

  --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;

  /* Navy/institutional palette */
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-surface-2: #f0f2f5;
  --color-border: #dde1e8;
  --color-divider: #e8eaee;

  --color-text: #111827;
  --color-text-muted: #6b7280;
  --color-text-faint: #9ca3af;
  --color-text-inverse: #f9fafb;

  /* Primary — deep institutional teal */
  --color-primary: #01696f;
  --color-primary-hover: #0c4e54;
  --color-primary-active: #0f3638;
  --color-primary-highlight: #e0f0f1;
  --color-primary-subtle: #f0f8f9;

  /* Navy accent */
  --color-navy: #1a3a6b;
  --color-navy-light: #e8eef7;

  --color-success: #166534;
  --color-success-bg: #dcfce7;
  --color-warning: #92400e;
  --color-warning-bg: #fef3c7;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(17,24,39,0.06), 0 1px 2px rgba(17,24,39,0.04);
  --shadow-md: 0 4px 12px rgba(17,24,39,0.08), 0 2px 6px rgba(17,24,39,0.05);
  --shadow-lg: 0 12px 32px rgba(17,24,39,0.10), 0 4px 12px rgba(17,24,39,0.06);

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --nav-height: 68px;
}

[data-theme='dark'] {
  --color-bg: #0d1117;
  --color-surface: #161b22;
  --color-surface-2: #1c2230;
  --color-border: #30363d;
  --color-divider: #21262d;

  --color-text: #e6edf3;
  --color-text-muted: #8b949e;
  --color-text-faint: #484f58;
  --color-text-inverse: #0d1117;

  --color-primary: #4f98a3;
  --color-primary-hover: #39808b;
  --color-primary-active: #227f8b;
  --color-primary-highlight: #162830;
  --color-primary-subtle: #0e1f23;

  --color-navy: #5b8dd9;
  --color-navy-light: #1a2640;

  --color-success: #3fb950;
  --color-success-bg: #0d2818;
  --color-warning: #d29922;
  --color-warning-bg: #2d1f00;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0d1117;
    --color-surface: #161b22;
    --color-surface-2: #1c2230;
    --color-border: #30363d;
    --color-divider: #21262d;
    --color-text: #e6edf3;
    --color-text-muted: #8b949e;
    --color-text-faint: #484f58;
    --color-text-inverse: #0d1117;
    --color-primary: #4f98a3;
    --color-primary-hover: #39808b;
    --color-primary-active: #227f8b;
    --color-primary-highlight: #162830;
    --color-primary-subtle: #0e1f23;
    --color-navy: #5b8dd9;
    --color-navy-light: #1a2640;
    --color-success: #3fb950;
    --color-success-bg: #0d2818;
    --color-warning: #d29922;
    --color-warning-bg: #2d1f00;
  }
}

/* ── Base Reset ── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  min-height: 100dvh;
}
img,svg { display: block; max-width: 100%; }
ul[role='list'],ol[role='list'] { list-style: none; }
input,button,textarea,select { font: inherit; color: inherit; }
h1,h2,h3,h4,h5,h6 { text-wrap: balance; line-height: 1.15; }
p,li { text-wrap: pretty; max-width: 68ch; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-hover); }
: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; }
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-12));
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn--primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); color: #fff; }

.btn--ghost {
  background: transparent;
  color: var(--color-text-inverse);
  border-color: rgba(255,255,255,0.35);
}
.btn--ghost:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); color: var(--color-text-inverse); }

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover { background: var(--color-primary-subtle); }

.btn--nav {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  padding: 0.5rem 1.2rem;
  font-size: var(--text-xs);
}
.btn--nav:hover { background: var(--color-primary-hover); color: #fff; }

.btn--full { width: 100%; justify-content: center; }

/* ── NAV ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  height: var(--nav-height);
}
.nav__inner {
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-12));
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}
.nav__wordmark {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--color-text);
}
.nav__wordmark strong { font-weight: 700; }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-left: auto;
  list-style: none;
}
.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--color-text); }

.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover { color: var(--color-text); border-color: var(--color-text-muted); background: var(--color-surface-2); }

.nav__menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text);
  transition: background var(--transition);
}
.nav__menu-toggle:hover { background: var(--color-surface-2); }

.mobile-menu {
  display: none;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) clamp(var(--space-4), 5vw, var(--space-12));
}
.mobile-menu ul { display: flex; flex-direction: column; gap: var(--space-3); list-style: none; }
.mobile-menu a { font-size: var(--text-base); font-weight: 500; color: var(--color-text); }
.mobile-menu.open { display: block; }

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__menu-toggle { display: flex; margin-left: auto; }
  .theme-toggle { margin-left: var(--space-2); }
}

/* ── HERO ── */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0f2a4a 0%, #1a3a6b 40%, #01494f 100%);
  color: #fff;
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 70% 50%, rgba(79,152,163,0.2) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(26,58,107,0.4) 0%, transparent 50%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(79,152,163,0.5), transparent);
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(79,152,163,0.2);
  border: 1px solid rgba(79,152,163,0.4);
  color: #a0d4da;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.08;
  color: #fff;
  margin-bottom: var(--space-6);
  font-weight: 400;
}
.hero h1 em {
  font-style: italic;
  color: #7dc8d0;
}
.hero__sub {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.75);
  max-width: 60ch;
  margin-bottom: var(--space-8);
  font-weight: 400;
  line-height: 1.6;
}
.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}
.hero__trust {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
}
.trust-pill svg { color: #7dc8d0; flex-shrink: 0; }

/* ── SECTIONS ── */
.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}
.section--alt { background: var(--color-surface); }
.section--dark {
  background: linear-gradient(135deg, #0f2a4a 0%, #1a3a6b 60%, #01494f 100%);
  color: #fff;
}
.section__header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: clamp(var(--space-8), 5vw, var(--space-16));
}
.section__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section__label--light { color: #7dc8d0; }
.section__header h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
  font-weight: 400;
}
.section__sub {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

/* ── SERVICES GRID ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--space-6);
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-highlight);
  transform: translateY(-2px);
}
.service-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-subtle);
  border: 1px solid var(--color-primary-highlight);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}
.service-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: none;
}

/* ── ABOUT ── */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
}
@media (max-width: 900px) {
  .about-layout { grid-template-columns: 1fr; }
}
.about__text .section__label { text-align: left; }
.about__text h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
  font-weight: 400;
}
.about__text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  font-size: var(--text-base);
  line-height: 1.75;
}
.about__text p strong { color: var(--color-text); font-weight: 600; }
.about__highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}
.highlight {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.highlight strong {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  font-family: var(--font-body);
}
.highlight span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Profile Card */
.profile-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}
.profile-card__avatar {
  margin-bottom: var(--space-5);
}
.profile-card__info h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-1);
}
.profile-card__title {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.profile-card__location {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-6);
}
.profile-card__creds {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}
.profile-card__creds li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-5);
  position: relative;
  max-width: none;
}
.profile-card__creds li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ── CREDENTIALS ── */
.creds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-5);
}
.cred-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}
.cred-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.cred-card--active { border-top: 3px solid var(--color-success); }
.cred-card--pending { border-top: 3px solid var(--color-warning); opacity: 0.85; }
.cred-card__status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-success);
  background: var(--color-success-bg);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}
.cred-card__status--pending {
  color: var(--color-warning);
  background: var(--color-warning-bg);
}
.cred-card__seal {
  margin-bottom: var(--space-4);
}
.cred-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.cred-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
  margin-bottom: var(--space-4);
}
.cred-card__tag {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── CONTACT ── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
}
@media (max-width: 800px) {
  .contact-layout { grid-template-columns: 1fr; }
}
.contact__text h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: #fff;
  margin-bottom: var(--space-5);
  font-weight: 400;
}
.contact__text p {
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-8);
  line-height: 1.75;
  max-width: 52ch;
}
.contact__details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.contact__details li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  max-width: none;
}
.contact__details svg { color: #7dc8d0; flex-shrink: 0; margin-top: 3px; }
.contact__details a { color: rgba(255,255,255,0.85); font-weight: 500; }
.contact__details a:hover { color: #fff; }
.contact__details span { color: rgba(255,255,255,0.7); font-size: var(--text-sm); line-height: 1.6; }

.contact-form {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  box-shadow: var(--shadow-lg);
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.form-group input,
.form-group textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.65rem var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-note {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
}

/* ── FOOTER ── */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(var(--space-6), 4vw, var(--space-12));
  padding-top: clamp(var(--space-10), 5vw, var(--space-16));
  padding-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
@media (max-width: 720px) {
  .footer__inner { grid-template-columns: 1fr; gap: var(--space-8); }
}
.footer__brand .nav__logo { margin-bottom: var(--space-4); }
.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 44ch;
}
.footer__links h4,
.footer__contact h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer__links ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer__links a:hover { color: var(--color-primary); }
.footer__contact address { font-style: normal; display: flex; flex-direction: column; gap: var(--space-2); }
.footer__contact p { font-size: var(--text-sm); max-width: none; }
.footer__contact a { color: var(--color-text-muted); }
.footer__contact a:hover { color: var(--color-primary); }
.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-5);
}
.footer__bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.footer__bottom p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: none;
}

/* ── Scroll animations ── */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}