/* ============================================================
   CompCode Solutions — Main Stylesheet
   Covers: base, typography, layout, nav, footer, all components
   ============================================================ */

/* ── Base ─────────────────────────────────────────────────── */

body {
  background-color: var(--color-bg);
  color: var(--color-gray-300);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  letter-spacing: -0.02em;
}

p {
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
}

strong { color: var(--color-white); font-weight: var(--weight-semibold); }
code { font-family: var(--font-mono); font-size: 0.9em; color: var(--color-blue); }

/* ── Skip Link ────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  width: auto;
  height: auto;
  padding: var(--space-3) var(--space-6);
  background: var(--color-blue);
  color: var(--color-white);
  border-radius: var(--radius-md);
  z-index: var(--z-modal);
  font-weight: var(--weight-semibold);
}

/* ── Container ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}
.container--wide   { max-width: var(--container-wide); }
.container--narrow { max-width: var(--container-narrow); }

/* ── Section ──────────────────────────────────────────────── */
.section {
  padding-block: var(--space-section);
}
.section--alt {
  background-color: var(--color-bg-card);
}
.section--dark {
  background-color: #050c18;
}

.section__header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}
.section__eyebrow {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: var(--space-3);
}
.section__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
  color: var(--color-white);
}
.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
}

/* ── Gradient Text ────────────────────────────────────────── */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.01em;
  line-height: 1;
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn--primary {
  background: var(--gradient-brand);
  color: var(--color-white);
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(14,165,233,0.25);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(14,165,233,0.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-border-light);
}
.btn--outline:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
  transform: translateY(-2px);
}

.btn--ghost {
  background: rgba(14,165,233,0.1);
  color: var(--color-blue);
  border-color: rgba(14,165,233,0.2);
}
.btn--ghost:hover {
  background: rgba(14,165,233,0.18);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-lg);
}
.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

/* ── Badge / Tag ──────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.03em;
  background: rgba(14,165,233,0.12);
  color: var(--color-blue);
  border: 1px solid rgba(14,165,233,0.2);
}
.tag--teal  { background: rgba(20,184,166,0.12); color: var(--color-teal); border-color: rgba(20,184,166,0.2); }
.tag--indigo{ background: rgba(99,102,241,0.12); color: var(--color-indigo); border-color: rgba(99,102,241,0.2); }
.tag--green { background: rgba(34,197,94,0.12);  color: var(--color-green); border-color: rgba(34,197,94,0.2); }

/* Status badges for product cards */
.status-badge { display:inline-block; padding:2px 10px; border-radius:999px; font-size:var(--text-xs); font-weight:var(--weight-semibold); letter-spacing:.03em; }
.status-badge--live   { background:rgba(34,197,94,0.15); color:#4ade80; border:1px solid rgba(34,197,94,0.3); }
.status-badge--beta   { background:rgba(251,191,36,0.15); color:#fbbf24; border:1px solid rgba(251,191,36,0.3); }
.status-badge--soon   { background:rgba(100,116,139,0.2); color:#94a3b8; border:1px solid rgba(100,116,139,0.3); }

/* Product card extras */
.product-card { background:var(--color-bg-card); border:1px solid var(--color-border); border-radius:var(--radius-2xl); padding:var(--space-8); display:flex; flex-direction:column; gap:var(--space-4); transition:border-color var(--transition-base), transform var(--transition-base); }
.product-card:hover { border-color:var(--color-blue); transform:translateY(-3px); }
.product-card__icon { font-size:2.25rem; line-height:1; }
.product-card__name { font-family:var(--font-heading); font-size:var(--text-xl); font-weight:var(--weight-bold); color:var(--color-white); }
.product-card__desc { font-size:var(--text-sm); color:var(--color-gray-400); line-height:var(--leading-relaxed); flex:1; }
.product-card__badges { display:flex; flex-wrap:wrap; gap:var(--space-2); }
.product-card__footer { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:var(--space-3); margin-top:auto; padding-top:var(--space-4); border-top:1px solid var(--color-border); }

/* ── Card ─────────────────────────────────────────────────── */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}
.card--elevated {
  background: var(--color-bg-elevated);
}

/* ── Service Card ─────────────────────────────────────────── */
.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 0;
  border-radius: inherit;
}
.service-card:hover {
  border-color: rgba(14,165,233,0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.service-card > * { position: relative; z-index: 1; }

.service-card__icon {
  width: 52px;
  height: 52px;
  background: rgba(14,165,233,0.12);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue);
  flex-shrink: 0;
  border: 1px solid rgba(14,165,233,0.2);
}
.service-card__icon svg { width: 26px; height: 26px; }

.service-card__title {
  font-size: var(--text-xl);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
}
.service-card__desc {
  color: var(--color-gray-400);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  flex: 1;
}
.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-blue);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  margin-top: auto;
  transition: gap var(--transition-fast);
}
.service-card__link:hover { gap: var(--space-3); }

/* ── Grid layouts ─────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ── Tech badge strip ─────────────────────────────────────── */
.tech-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}
.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-gray-300);
  transition: all var(--transition-base);
  white-space: nowrap;
}
.tech-badge:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}
.tech-badge svg { width: 16px; height: 16px; opacity: 0.7; }

/* ── Trust bar ────────────────────────────────────────────── */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-6);
  justify-content: center;
}
.trust-bar__label {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  font-weight: var(--weight-medium);
}
.trust-bar__items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  align-items: center;
}
.trust-bar__item {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  font-weight: var(--weight-semibold);
  font-family: var(--font-heading);
}

/* ── Stat block ───────────────────────────────────────────── */
.stat {
  text-align: center;
}
.stat__number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat__label {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  font-weight: var(--weight-medium);
}

/* ── Icon box ─────────────────────────────────────────────── */
.icon-box {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}
.icon-box--blue   { background: rgba(14,165,233,0.12); color: var(--color-blue); border: 1px solid rgba(14,165,233,0.2); }
.icon-box--teal   { background: rgba(20,184,166,0.12); color: var(--color-teal); border: 1px solid rgba(20,184,166,0.2); }
.icon-box--indigo { background: rgba(99,102,241,0.12); color: var(--color-indigo); border: 1px solid rgba(99,102,241,0.2); }
.icon-box svg { width: 24px; height: 24px; }

/* ── ─────────────────────── NAVIGATION ──────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  transition: background var(--transition-base), backdrop-filter var(--transition-base), border-color var(--transition-base);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 13, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--color-border);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding-inline: var(--container-padding);
  max-width: var(--container-wide);
  margin-inline: auto;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}
.nav__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-brand);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav__logo-icon svg { width: 20px; height: 20px; color: white; }
.nav__logo-img {
  height: 40px;
  width: auto;
  border-radius: var(--radius-md);
  object-fit: contain;
  display: block;
}
.nav__logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  letter-spacing: -0.02em;
}
.nav__logo-text span {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Desktop menu */
.nav__menu {
  display: none;
  align-items: center;
  gap: var(--space-1);
}
@media (min-width: 1024px) {
  .nav__menu { display: flex; }
}
.nav__link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-gray-400);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav__link:hover,
.nav__link.active {
  color: var(--color-white);
  background: rgba(255,255,255,0.06);
}

/* CTA + hamburger */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.nav__cta {
  display: none;
}
@media (min-width: 1024px) {
  .nav__cta { display: inline-flex; }
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}
.nav__hamburger:hover { border-color: var(--color-blue); }
.nav__hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-gray-300);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 1024px) {
  .nav__hamburger { display: none; }
}

/* Mobile menu overlay */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: calc(var(--z-nav) - 1);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-8);
}
.nav__mobile.open {
  display: flex;
}
.nav__mobile .nav__link {
  font-size: var(--text-2xl);
  font-family: var(--font-heading);
  padding: var(--space-4) var(--space-8);
  font-weight: var(--weight-bold);
  letter-spacing: -0.02em;
}
.nav__mobile .btn {
  margin-top: var(--space-4);
}

/* ── ─────────────────────── FOOTER ──────────────────────── */
.footer {
  background: #050c18;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-16);
  padding-bottom: var(--space-10);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border);
}
@media (min-width: 640px) {
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr 1fr; }
}

.footer__brand {}
.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.footer__logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-brand);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer__logo-icon svg { width: 18px; height: 18px; color: white; }
.footer__logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-white);
}
.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  max-width: 280px;
}
.footer__social {
  display: flex;
  gap: var(--space-3);
}
.footer__social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}
.footer__social-link:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}
.footer__social-link svg { width: 18px; height: 18px; }

.footer__col-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer__link {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}
.footer__link:hover { color: var(--color-blue); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-8);
}
.footer__copy {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}
.footer__legal {
  display: flex;
  gap: var(--space-6);
}
.footer__legal a {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}
.footer__legal a:hover { color: var(--color-gray-400); }

/* ── ─────────────────────── HERO ────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-hero);
  padding-top: 72px; /* nav height */
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.hero__glow-1 {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,165,233,0.08) 0%, transparent 70%);
  top: -100px;
  right: -100px;
}
.hero__glow-2 {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20,184,166,0.06) 0%, transparent 70%);
  bottom: 0;
  left: 10%;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
  padding-block: var(--space-20);
}
@media (min-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr 1fr; }
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.375rem 1rem;
  background: rgba(14,165,233,0.1);
  border: 1px solid rgba(14,165,233,0.25);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-blue);
  margin-bottom: var(--space-6);
}
.hero__eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-blue);
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: var(--weight-extrabold);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-white);
  margin-bottom: var(--space-6);
}
.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 540px;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.hero__trust {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
}
.hero__trust-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-500);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}
.hero__trust-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
}
.hero__trust-item {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  font-weight: var(--weight-medium);
  font-family: var(--font-heading);
}

/* Hero SVG diagram */
.hero__visual {
  display: none;
}
@media (min-width: 1024px) {
  .hero__visual {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}
.hero__diagram {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1;
}

/* ── Problem bar ──────────────────────────────────────────── */
.problem-bar {
  padding-block: var(--space-16);
  background: #050c18;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.problem-bar__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .problem-bar__grid { grid-template-columns: repeat(3, 1fr); }
}
.problem-card {
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-bg-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.problem-card__number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.problem-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
}
.problem-card__desc {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
}

/* ── Services grid ────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── HI Authorization spotlight ──────────────────────────── */
.hi-section {
  padding-block: var(--space-section);
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.hi-section__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 1024px) {
  .hi-section__inner { grid-template-columns: 1fr 1fr; gap: var(--space-16); }
}
.hi-section__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.375rem 0.875rem;
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-indigo);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
}
.hi-section__title {
  font-size: var(--text-3xl);
  color: var(--color-white);
  margin-bottom: var(--space-5);
}
.hi-section__desc {
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}
.hi-section__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.hi-section__chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.375rem 0.875rem;
  background: rgba(14,165,233,0.08);
  border: 1px solid rgba(14,165,233,0.18);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-gray-300);
  font-weight: var(--weight-medium);
}
.hi-section__chip::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-blue);
  flex-shrink: 0;
}

/* HI diagram */
.hi-diagram {
  width: 100%;
  max-width: 440px;
  margin-inline: auto;
}

/* ── Process steps ────────────────────────────────────────── */
.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  counter-reset: step;
}
@media (min-width: 768px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1200px) {
  .process-steps { grid-template-columns: repeat(4, 1fr); }
}
.process-step {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
}
.process-step__num {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.process-step__title {
  font-size: var(--text-xl);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  color: var(--color-white);
}
.process-step__desc {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
}

/* ── Industry cards ───────────────────────────────────────── */
.industry-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: all var(--transition-base);
}
.industry-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-3px);
}
.industry-card__icon {
  font-size: 2rem;
  line-height: 1;
}
.industry-card__title {
  font-size: var(--text-xl);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  color: var(--color-white);
}
.industry-card__desc {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
}

/* ── Why us ───────────────────────────────────────────────── */
.why-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}
.why-card:hover {
  border-color: rgba(14,165,233,0.3);
  box-shadow: var(--shadow-glow);
}
.why-card__title {
  font-size: var(--text-xl);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  color: var(--color-white);
}
.why-card__desc {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
}

/* ── CTA section ──────────────────────────────────────────── */
.cta-section {
  padding-block: var(--space-section);
  background: var(--gradient-cta);
  border-top: 1px solid var(--color-border);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(14,165,233,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.cta-section__inner { position: relative; z-index: 1; }
.cta-section__title {
  font-size: var(--text-4xl);
  color: var(--color-white);
  margin-bottom: var(--space-4);
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-4);
}
.cta-section__desc {
  font-size: var(--text-lg);
  color: var(--color-gray-400);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}
.cta-section__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* ── Page hero (inner pages) ──────────────────────────────── */
.page-hero {
  padding-top: calc(72px + var(--space-16));
  padding-bottom: var(--space-16);
  background: var(--gradient-hero);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}
.page-hero__eyebrow {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: var(--space-4);
}
.page-hero__title {
  font-size: var(--text-4xl);
  color: var(--color-white);
  margin-bottom: var(--space-4);
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-4);
}
.page-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-400);
  max-width: 600px;
  margin-inline: auto;
}

/* ── Tabs ─────────────────────────────────────────────────── */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}
.tab-btn {
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-gray-400);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-heading);
}
.tab-btn:hover {
  color: var(--color-white);
  border-color: var(--color-border-light);
}
.tab-btn.active {
  background: var(--gradient-brand);
  color: var(--color-white);
  border-color: transparent;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── FAQ Accordion ────────────────────────────────────────── */
.faq { display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq-item:hover { border-color: var(--color-border-light); }
.faq-item.open { border-color: rgba(14,165,233,0.3); }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-white);
  cursor: pointer;
  background: none;
  border: none;
  text-align: left;
  gap: var(--space-4);
}
.faq-question__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-blue);
  transition: transform var(--transition-fast);
}
.faq-item.open .faq-question__icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.2s ease;
}
.faq-answer.open {
  max-height: 400px;
  padding-bottom: var(--space-5);
}
.faq-answer p {
  padding: 0 var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
}

/* ── Case study card ──────────────────────────────────────── */
.case-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}
.case-card:hover {
  border-color: rgba(14,165,233,0.3);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.case-card__header {
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.case-card__industry-icon {
  font-size: 1.75rem;
}
.case-card__industry {
  font-size: var(--text-xs);
  color: var(--color-blue);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
}
.case-card__title {
  font-size: var(--text-lg);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  color: var(--color-white);
}
.case-card__body {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.case-card__section-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gray-500);
  margin-bottom: var(--space-2);
}
.case-card__text {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
}
.case-card__results {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.case-result {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.case-result__value {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-extrabold);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.case-result__label {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

/* ── Contact form ─────────────────────────────────────────── */
.contact-section {
  padding-block: var(--space-section);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: 1fr 2fr; }
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}
.contact-info__text strong {
  display: block;
  font-size: var(--text-base);
  color: var(--color-white);
  margin-bottom: var(--space-1);
}
.contact-info__text p {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 640px) {
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .form-group--full { grid-column: 1 / -1; }
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form-group label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-gray-300);
}
.form-group label .required {
  color: var(--color-blue);
  margin-left: var(--space-1);
}
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-size: var(--text-base);
  font-family: var(--font-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.form-control::placeholder { color: var(--color-gray-600); }
.form-control:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.12);
}
.form-control.error { border-color: #ef4444; }
textarea.form-control {
  resize: vertical;
  min-height: 140px;
}
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1.25rem;
  padding-right: 2.5rem;
  cursor: pointer;
}
select.form-control option { background: var(--color-bg-card); color: var(--color-white); }

.form-error-msg {
  font-size: var(--text-xs);
  color: #ef4444;
  display: none;
}
.form-error-msg.visible { display: block; }

#form-feedback {
  display: none;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  text-align: center;
}
#form-feedback.success {
  display: block;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  color: var(--color-green);
}
#form-feedback.error {
  display: block;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: #ef4444;
}

/* ── Expertise / taxonomy table ───────────────────────────── */
.taxonomy-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.taxonomy-table th, .taxonomy-table td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.taxonomy-table th {
  background: var(--color-bg-card);
  color: var(--color-gray-300);
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.taxonomy-table td { color: var(--color-gray-400); background: transparent; }
.taxonomy-table tr:last-child td { border-bottom: none; }
.taxonomy-table tr:nth-child(odd) td { background: rgba(255,255,255,0.01); }
.taxonomy-table__tier {
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  white-space: nowrap;
}
.taxonomy-table__tier--highlight { color: var(--color-blue); }

/* Callout box */
.callout {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-blue);
  background: rgba(14,165,233,0.06);
}
.callout--teal {
  border-left-color: var(--color-teal);
  background: rgba(20,184,166,0.06);
}
.callout__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-blue);
  margin-bottom: var(--space-2);
}
.callout--teal .callout__label { color: var(--color-teal); }
.callout p {
  font-size: var(--text-sm);
  color: var(--color-gray-300);
  line-height: var(--leading-relaxed);
}

/* ── Animations ───────────────────────────────────────────── */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

/* ── Utilities ────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.mt-2  { margin-top: var(--space-2); }
.mt-4  { margin-top: var(--space-4); }
.mt-8  { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.d-flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.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;
}