/* =========================================================
   ammisaid-consulting — style.css
   Dark tech confidence · deep navy base · electric cyan accent
   ========================================================= */

/* ---------- Self-hosted fonts (GDPR: no Google CDN) ---------- */
/* Inter — display & body */
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('../assets/fonts/inter-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url('../assets/fonts/inter-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url('../assets/fonts/inter-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 700; font-display: swap; src: url('../assets/fonts/inter-latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 800; font-display: swap; src: url('../assets/fonts/inter-latin-800-normal.woff2') format('woff2'); }
/* JetBrains Mono — labels, tags, stats */
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url('../assets/fonts/jetbrains-mono-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url('../assets/fonts/jetbrains-mono-latin-500-normal.woff2') format('woff2'); }

/* ---------- Design tokens ---------- */
:root {
  --color-bg: #0A0F1E;
  --color-surface: #111827;
  --color-surface-2: #0D1424;
  --color-accent: #00D4FF;
  --color-accent-muted: #00A3C4;
  --color-text-primary: #F0F4F8;
  --color-text-secondary: #8FA3B1;
  --color-border: #1E2D40;

  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --container: 1200px;
  --radius: 8px;
  --radius-lg: 16px;
  --section-pad: 80px;

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-lift: 0 18px 40px -20px rgba(0, 212, 255, 0.35);
  --transition: 200ms ease;
  --nav-h: 68px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; }
html:focus-within { scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
ul { list-style: none; padding: 0; }
input, textarea, select, button { font-family: inherit; }

h1, h2, h3 { line-height: 1.1; font-weight: 700; letter-spacing: -0.02em; }

::selection { background: var(--color-accent); color: var(--color-bg); }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.section { padding-block: var(--section-pad); }
.section--alt { background: var(--color-surface-2); border-block: 1px solid var(--color-border); }

.section__head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: 12px;
}
.section__title { font-size: clamp(1.7rem, 4vw, 2.5rem); }
.section__lead { margin-top: 16px; color: var(--color-text-secondary); font-size: 1.05rem; }
.section__cta { text-align: center; margin-top: 48px; }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 10px 16px;
  border-radius: var(--radius);
  font-weight: 600;
  transition: top var(--transition);
}
.skip-link:focus { top: 16px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-accent);
  color: #041019;
  box-shadow: 0 8px 24px -12px rgba(0, 212, 255, 0.7);
}
.btn--primary:hover { background: var(--color-accent-muted); transform: translateY(-2px); }
.btn--ghost {
  border-color: var(--color-border);
  color: var(--color-text-primary);
  background: transparent;
}
.btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); transform: translateY(-2px); }
.btn--lg { padding: 15px 28px; font-size: 1rem; }
.btn--block { width: 100%; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
  border-bottom: 1px solid transparent;
}
.navbar.is-scrolled {
  background: rgba(10, 15, 30, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border);
}
.navbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; }
.navbar__nav { display: flex; gap: 30px; }
.navbar__nav a {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  transition: color var(--transition);
}
.navbar__nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.navbar__nav a:hover { color: var(--color-text-primary); }
.navbar__nav a:hover::after { width: 100%; }
.navbar__actions { display: flex; align-items: center; gap: 16px; }

/* Language toggle */
.lang-toggle { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 0.85rem; }
.lang-toggle__btn {
  color: var(--color-text-secondary);
  padding: 4px 6px;
  border-radius: 4px;
  transition: color var(--transition);
}
.lang-toggle__btn.is-active { color: var(--color-accent); font-weight: 500; }
.lang-toggle__btn:hover { color: var(--color-text-primary); }
.lang-toggle__sep { color: var(--color-border); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.hamburger span {
  width: 24px; height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Mobile menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(10, 15, 30, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu__nav { display: flex; flex-direction: column; align-items: center; gap: 28px; text-align: center; }
.mobile-menu__nav a { font-size: 1.4rem; font-weight: 600; color: var(--color-text-primary); }
.mobile-menu__nav .btn { font-size: 1rem; margin-top: 8px; }
.lang-toggle--mobile { font-size: 1.1rem; margin-top: 12px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + 80px);
  padding-bottom: 90px;
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  top: -10%; right: -5%;
  width: 620px; height: 620px;
  max-width: 90vw;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.16), transparent 65%);
  pointer-events: none;
  z-index: 0;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: 20px;
}
.hero__title { font-size: clamp(2.2rem, 5.4vw, 3.6rem); font-weight: 800; }
.hero__subtitle {
  margin-top: 22px;
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 34ch;
}
.hero__actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero__visual { display: flex; justify-content: center; }
.hero__graphic { width: 100%; max-width: 420px; }
.hero__graphic .hero__nodes circle { animation: pulse 3s ease-in-out infinite; }
.hero__graphic .hero__nodes circle:nth-child(2) { animation-delay: .4s; }
.hero__graphic .hero__nodes circle:nth-child(3) { animation-delay: .8s; }
.hero__graphic .hero__nodes circle:nth-child(4) { animation-delay: 1.2s; }
.hero__graphic .hero__nodes circle:nth-child(5) { animation-delay: 1.6s; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ---------- Grid / Cards ---------- */
.grid { display: grid; gap: 24px; }
.grid--services { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid--pillars { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 32px; }
.grid--cases { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--quotes { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); border-color: var(--color-accent-muted); box-shadow: var(--shadow-lift); }
.card__icon, .pillar__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-accent);
  margin-bottom: 20px;
}
.card__icon svg, .pillar__icon svg { width: 24px; height: 24px; }
.card__title { font-size: 1.2rem; margin-bottom: 10px; }
.card__text { color: var(--color-text-secondary); font-size: 0.96rem; }

/* Pillars */
.pillar { text-align: center; }
.pillar__icon { margin-inline: auto; }
.pillar__title { font-size: 1.3rem; margin-bottom: 10px; }
.pillar__text { color: var(--color-text-secondary); }

/* ---------- About ---------- */
.about__inner { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 56px; align-items: center; }
.about__para { color: var(--color-text-secondary); margin-top: 18px; font-size: 1.05rem; }
.about__stats { display: grid; gap: 18px; }
.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
}
.stat__num { display: block; font-size: 2.4rem; font-weight: 800; color: var(--color-accent); font-family: var(--font-mono); letter-spacing: -0.02em; }
.stat__plus { color: var(--color-accent-muted); }
.stat__label { color: var(--color-text-secondary); font-size: 0.95rem; }

/* ---------- Case studies ---------- */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 18px;
}
.case {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: transform var(--transition), border-color var(--transition);
}
.case:hover { transform: translateY(-4px); border-color: var(--color-accent-muted); }
.case__title { font-size: 1.2rem; margin-bottom: 18px; }
.case__body dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-top: 12px;
}
.case__body dd { color: var(--color-text-secondary); font-size: 0.95rem; margin-left: 0; }

/* ---------- Testimonials ---------- */
.quote {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  position: relative;
}
.quote::before {
  content: '\201C';
  font-family: Georgia, serif;
  font-size: 4rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.3;
  position: absolute;
  top: 14px; right: 22px;
}
.quote blockquote { font-size: 1.05rem; color: var(--color-text-primary); }
.quote figcaption { margin-top: 20px; display: flex; flex-direction: column; }
.quote__name { font-weight: 600; }
.quote__role { color: var(--color-text-secondary); font-size: 0.9rem; }

/* ---------- Contact ---------- */
.contact__inner { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.contact__details { margin-top: 32px; display: grid; gap: 20px; }
.contact__details li { display: flex; flex-direction: column; }
.contact__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}
.contact__details a { color: var(--color-accent); transition: color var(--transition); }
.contact__details a:hover { color: var(--color-accent-muted); }

.contact__form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 34px;
  display: grid;
  gap: 18px;
}
.field { display: flex; flex-direction: column; }
.field label { font-size: 0.9rem; font-weight: 500; margin-bottom: 8px; }
.field input, .field select, .field textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--color-text-primary);
  font-size: 0.96rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field textarea { resize: vertical; min-height: 110px; }
.field input::placeholder, .field textarea::placeholder { color: #55697a; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}
.field select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238FA3B1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.field__error { color: #ff6b6b; font-size: 0.82rem; margin-top: 6px; display: none; }
.field.has-error input, .field.has-error textarea { border-color: #ff6b6b; }
.field.has-error .field__error { display: block; }
/* Honeypot — off-screen, hidden from users and assistive tech, visible to bots */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; opacity: 0; }
.form__status { font-size: 0.92rem; margin-top: 4px; min-height: 1.2em; }
.form__status.is-success { color: var(--color-accent); }
.form__status.is-error { color: #ff6b6b; }

/* ---------- Footer ---------- */
.footer { background: var(--color-surface-2); border-top: 1px solid var(--color-border); padding-block: 56px 28px; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 40px; align-items: start; }
.footer__tagline { color: var(--color-text-secondary); margin-top: 16px; font-size: 0.95rem; max-width: 34ch; }
.footer__nav { display: flex; flex-direction: column; gap: 12px; }
.footer__nav a { color: var(--color-text-secondary); transition: color var(--transition); }
.footer__nav a:hover { color: var(--color-accent); }
.footer__social { display: flex; gap: 14px; }
.footer__social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text-secondary);
  transition: color var(--transition), border-color var(--transition), transform var(--transition);
}
.footer__social a:hover { color: var(--color-accent); border-color: var(--color-accent); transform: translateY(-2px); }
.footer__bottom {
  grid-column: 1 / -1;
  border-top: 1px solid var(--color-border);
  margin-top: 20px;
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__copy { color: var(--color-text-secondary); font-size: 0.9rem; }
.footer__bottom--flush { border-top: none; margin: 0; padding: 0; }

/* ---------- Legal / content subpages ---------- */
.subpage { padding-top: calc(var(--nav-h) + 56px); padding-bottom: 72px; min-height: 72vh; }
.legal { max-width: 760px; margin-inline: auto; }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 8px; }
.legal__updated { color: var(--color-text-secondary); font-family: var(--font-mono); font-size: 0.8rem; margin-bottom: 32px; }
.legal h2 { font-size: 1.25rem; margin-top: 36px; margin-bottom: 12px; }
.legal p, .legal li { color: var(--color-text-secondary); }
.legal p { margin-bottom: 14px; }
.legal ul { list-style: disc; padding-left: 22px; margin-bottom: 14px; display: grid; gap: 6px; }
.legal a { color: var(--color-accent); }
.legal a:hover { color: var(--color-accent-muted); }

/* Simplified subpage nav */
.navbar--sub { position: sticky; background: rgba(10, 15, 30, 0.72); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); }
.navbar--sub .navbar__back { color: var(--color-text-secondary); font-size: 0.95rem; font-weight: 500; transition: color var(--transition); }
.navbar--sub .navbar__back:hover { color: var(--color-accent); }

/* 404 */
.notfound { min-height: 82vh; display: grid; place-content: center; text-align: center; gap: 16px; padding: 120px 24px; }
.notfound__code { font-family: var(--font-mono); font-size: clamp(4rem, 14vw, 8rem); font-weight: 800; color: var(--color-accent); line-height: 1; }
.notfound h1 { font-size: clamp(1.4rem, 4vw, 2rem); }
.notfound p { color: var(--color-text-secondary); max-width: 44ch; margin-inline: auto; }
.notfound__actions { margin-top: 12px; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Focus visibility ---------- */
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: 3px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { order: -1; max-width: 320px; margin-inline: auto; }
  .hero__subtitle { max-width: none; }
  .about__inner, .contact__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-pad: 48px; }
  .navbar__nav, .navbar__cta { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 560px) {
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .contact__form { padding: 24px; }
  .hero__actions .btn, .section__cta .btn { width: 100%; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}