/* =====================================================
   GENTRUST AI — COMPONENTS
   Nav · Footer · Buttons · Cards · Forms · Sections
   ===================================================== */

/* ─── BUTTONS ───────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--r);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: all var(--t);
  white-space: nowrap;
  cursor: pointer;
}
.btn--primary {
  background: var(--c-primary);
  color: #fff;
  box-shadow: var(--sh-primary);
}
.btn--primary:hover {
  background: var(--c-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(37,99,235,0.35);
}
.btn--secondary {
  background: transparent;
  color: var(--c-primary);
  border: 1.5px solid var(--c-primary);
}
.btn--secondary:hover {
  background: var(--blue-50);
}
.btn--ghost {
  background: transparent;
  color: var(--sl-300);
  border: 1.5px solid rgba(255,255,255,0.2);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}
.btn--white {
  background: #fff;
  color: var(--c-primary);
}
.btn--white:hover {
  background: var(--blue-50);
  transform: translateY(-1px);
}
.btn--lg { padding: 15px 32px; font-size: 16px; border-radius: var(--r-lg); }
.btn--sm { padding: 9px 18px; font-size: 13px; }
.btn svg { flex-shrink: 0; }

/* ─── BADGE / TAG ───────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--r-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.badge--blue  { background: var(--blue-100); color: var(--blue-700); }
.badge--cyan  { background: rgba(6,182,212,0.12); color: var(--cyan-600); }
.badge--green { background: rgba(16,185,129,0.12); color: #059669; }
.badge--gray  { background: var(--sl-100); color: var(--sl-600); }

/* ─── NAVIGATION ────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  z-index: var(--z-nav);
  transition: border-color var(--t), box-shadow var(--t);
}
.nav.scrolled {
  border-bottom-color: var(--c-border);
  box-shadow: var(--sh-sm);
}
.nav__inner {
  display: flex;
  align-items: center;
  height: 100%;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  gap: var(--sp-5);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.nav__logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--cyan-500) 100%);
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}
.nav__logo-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--sl-900);
  letter-spacing: -0.02em;
}
.nav__logo-name span { color: var(--c-primary); }
.nav__logo-img {
  width: 36px; height: 36px;
  border-radius: var(--r);
  object-fit: contain;
  flex-shrink: 0;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin-left: auto;
}
.nav__link {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--sl-600);
  border-radius: var(--r);
  transition: color var(--t), background var(--t);
}
.nav__link:hover { color: var(--sl-900); background: var(--sl-50); }
.nav__link.active { color: var(--c-primary); font-weight: 600; }
.nav__cta { margin-left: var(--sp-2); }
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
  border-radius: var(--r);
  transition: background var(--t);
}
.nav__hamburger:hover { background: var(--sl-100); }
.nav__hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--sl-700);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t), width var(--t);
}
.nav.menu-open .nav__hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.menu-open .nav__hamburger span:nth-child(2) { opacity: 0; width: 0; }
.nav.menu-open .nav__hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav__mobile {
  display: none;
  flex-direction: column;
  position: absolute;
  top: var(--nav-h);
  left: 0; right: 0;
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  box-shadow: var(--sh-md);
  padding: var(--sp-2) var(--sp-3) var(--sp-3);
  gap: 2px;
}
.nav.menu-open .nav__mobile { display: flex; }
.nav__mobile .nav__link { padding: 12px 16px; font-size: 15px; width: 100%; }
.nav__mobile .btn { margin-top: var(--sp-1); width: 100%; justify-content: center; }

@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
}

/* ─── FOOTER ────────────────────────────────────── */
.footer {
  background: var(--sl-950);
  color: var(--sl-400);
  padding-top: var(--sp-7);
  padding-bottom: var(--sp-4);
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--sp-6);
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--sp-3);
}
.footer__logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--c-primary), var(--cyan-500));
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 14px;
}
.footer__logo-name {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}
.footer__logo-name span { color: var(--blue-400); }
.footer__tagline { font-size: 14px; line-height: 1.6; color: var(--sl-500); max-width: 280px; }
.footer__social {
  display: flex;
  gap: var(--sp-1);
  margin-top: var(--sp-3);
}
.footer__social-link {
  width: 36px; height: 36px;
  border-radius: var(--r);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sl-500);
  transition: color var(--t), border-color var(--t), background var(--t);
}
.footer__social-link:hover { color: #fff; border-color: var(--c-primary); background: rgba(37,99,235,0.15); }
.footer__col-title {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__link {
  font-size: 14px;
  color: var(--sl-500);
  transition: color var(--t);
}
.footer__link:hover { color: var(--sl-200); }
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--sl-500);
  margin-bottom: 12px;
}
.footer__contact-item svg { flex-shrink: 0; margin-top: 2px; }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-3);
  font-size: 13px;
  color: var(--sl-600);
  flex-wrap: wrap;
  gap: var(--sp-2);
}
.footer__bottom-links { display: flex; gap: var(--sp-3); }
.footer__bottom-link { color: var(--sl-600); transition: color var(--t); }
.footer__bottom-link:hover { color: var(--sl-300); }

@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-5); }
}
@media (max-width: 480px) {
  .footer__grid { grid-template-columns: 1fr; gap: var(--sp-4); }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ─── PAGE HERO (inner pages) ───────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--sl-900) 0%, var(--blue-950) 50%, var(--blue-900) 100%);
  padding-top: calc(var(--nav-h) + var(--sp-7));
  padding-bottom: var(--sp-7);
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.page-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--sl-500);
  margin-bottom: var(--sp-3);
}
.page-hero__breadcrumb a { color: var(--sl-400); transition: color var(--t); }
.page-hero__breadcrumb a:hover { color: #fff; }
.page-hero__breadcrumb svg { color: var(--sl-600); }
.page-hero__title { color: #fff; margin-bottom: var(--sp-2); }
.page-hero__sub { color: var(--sl-400); max-width: 560px; font-size: 1.0625rem; }

/* ─── SERVICE CARD ──────────────────────────────── */
.service-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: var(--sp-4);
  transition: border-color var(--t), box-shadow var(--t), transform var(--t);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(37,99,235,0.03) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--t);
  pointer-events: none;
}
.service-card:hover {
  border-color: var(--blue-200);
  box-shadow: var(--sh-md);
  transform: translateY(-3px);
}
.service-card:hover::after { opacity: 1; }
.service-card__icon {
  width: 52px; height: 52px;
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-3);
  flex-shrink: 0;
}
.service-card__icon--blue  { background: var(--blue-100); color: var(--blue-700); }
.service-card__icon--cyan  { background: rgba(6,182,212,0.12); color: var(--cyan-600); }
.service-card__icon--indigo{ background: #EEF2FF; color: #4338CA; }
.service-card__icon--green { background: rgba(16,185,129,0.12); color: #059669; }
.service-card__title { font-size: 1.125rem; margin-bottom: var(--sp-1); }
.service-card__desc  { font-size: 14px; line-height: 1.65; margin-bottom: var(--sp-3); }
.service-card__link  {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
  transition: gap var(--t);
}
.service-card__link:hover { gap: 10px; }

/* ─── STATS BAR ─────────────────────────────────── */
.stats-bar {
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 100%);
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-6);
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: var(--sp-4);
}
.stat-item { text-align: center; }
.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-number span { color: var(--cyan-400); }
.stat-label { font-size: 14px; color: var(--blue-200); font-weight: 500; }
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: var(--sp-4); }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: repeat(2,1fr); }
}

/* ─── PROCESS STEPS ─────────────────────────────── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 0;
  position: relative;
}
.process-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(100% / 6);
  right: calc(100% / 6);
  height: 2px;
  background: linear-gradient(90deg, var(--blue-200), var(--cyan-400), var(--blue-200));
  z-index: 0;
}
.process-step {
  text-align: center;
  padding: var(--sp-4) var(--sp-3);
  position: relative;
  z-index: 1;
}
.process-step__num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--cyan-500));
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-3);
  box-shadow: var(--sh-primary);
  position: relative;
}
.process-step__title { font-size: 1.125rem; margin-bottom: var(--sp-1); }
.process-step__desc  { font-size: 14px; color: var(--c-muted); }
@media (max-width: 768px) {
  .process-grid { grid-template-columns: 1fr; }
  .process-grid::before { display: none; }
  .process-step { text-align: left; display: flex; align-items: flex-start; gap: var(--sp-3); padding: var(--sp-3) 0; }
  .process-step__num { flex-shrink: 0; margin: 0; }
  .process-step__body { flex: 1; }
}

/* ─── TESTIMONIAL CARD ──────────────────────────── */
.testi-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: var(--sp-4);
  box-shadow: var(--sh-sm);
  transition: box-shadow var(--t), transform var(--t);
}
.testi-card:hover { box-shadow: var(--sh-md); transform: translateY(-2px); }
.testi-card__stars { display: flex; gap: 3px; margin-bottom: var(--sp-2); color: #F59E0B; }
.testi-card__quote {
  font-size: 15px;
  line-height: 1.7;
  color: var(--sl-700);
  margin-bottom: var(--sp-3);
  font-style: italic;
}
.testi-card__author { display: flex; align-items: center; gap: var(--sp-2); }
.testi-card__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  color: #fff;
  flex-shrink: 0;
}
.testi-card__name  { font-size: 14px; font-weight: 600; color: var(--sl-900); }
.testi-card__role  { font-size: 12px; color: var(--c-muted); }

/* ─── CTA BANNER ────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--sl-900) 0%, var(--blue-950) 40%, var(--blue-900) 100%);
  padding-top: var(--sp-8);
  padding-bottom: var(--sp-8);
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.cta-banner__inner { position: relative; }
.cta-banner__eyebrow { margin-bottom: var(--sp-2); }
.cta-banner__title { color: #fff; max-width: 640px; margin: 0 auto var(--sp-2); }
.cta-banner__sub { color: var(--sl-400); max-width: 480px; margin: 0 auto var(--sp-5); }
.cta-banner__btns { display: flex; gap: var(--sp-2); justify-content: center; flex-wrap: wrap; }

/* ─── PORTFOLIO CARD ────────────────────────────── */
.portfolio-card {
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  box-shadow: var(--sh-sm);
  transition: box-shadow var(--t), transform var(--t);
}
.portfolio-card:hover { box-shadow: var(--sh-lg); transform: translateY(-4px); }
.portfolio-card__img {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.portfolio-card__img-icon {
  width: 64px; height: 64px;
  border-radius: var(--r-xl);
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.portfolio-card__body { padding: var(--sp-3); }
.portfolio-card__tag { margin-bottom: var(--sp-1); }
.portfolio-card__title { font-size: 1.0625rem; margin-bottom: var(--sp-1); }
.portfolio-card__desc  { font-size: 13px; line-height: 1.65; margin-bottom: var(--sp-2); }
.portfolio-card__meta  { display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.portfolio-card__metric {
  font-size: 12px;
  font-weight: 600;
  color: var(--c-success);
  background: rgba(16,185,129,0.1);
  padding: 3px 10px;
  border-radius: var(--r-full);
}

/* ─── CONTACT FORM ──────────────────────────────── */
.form-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-2xl);
  padding: var(--sp-5);
  box-shadow: var(--sh-md);
}
.form-group { margin-bottom: var(--sp-3); }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--sl-700);
  margin-bottom: 6px;
}
.form-label span { color: var(--c-error); margin-left: 2px; }
.form-input {
  width: 100%;
  padding: 11px 14px;
  background: var(--c-bg-alt);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r);
  font-size: 15px;
  color: var(--c-text);
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
  outline: none;
}
.form-input:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
  background: #fff;
}
.form-input::placeholder { color: var(--c-faint); }
.form-input.error { border-color: var(--c-error); }
textarea.form-input { resize: vertical; min-height: 130px; }
select.form-input { cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
.form-submit { width: 100%; justify-content: center; }
.form-error { font-size: 12px; color: var(--c-error); margin-top: 4px; display: none; }
.form-error.show { display: block; }
@media (max-width: 480px) {
  .form-card { padding: var(--sp-3); }
  .form-row { grid-template-columns: 1fr; }
}

/* ─── CONTACT INFO CARD ─────────────────────────── */
.info-card {
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  transition: border-color var(--t), box-shadow var(--t);
}
.info-card:hover { border-color: var(--blue-200); box-shadow: var(--sh-sm); }
.info-card__icon {
  width: 44px; height: 44px;
  border-radius: var(--r-lg);
  background: var(--blue-100);
  color: var(--blue-700);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.info-card__title { font-size: 13px; font-weight: 600; color: var(--sl-900); margin-bottom: 3px; }
.info-card__value { font-size: 14px; color: var(--c-muted); }
.info-card__value a { color: var(--c-primary); transition: opacity var(--t); }
.info-card__value a:hover { opacity: 0.8; }

/* ─── FAQ ACCORDION ─────────────────────────────── */
.faq-item {
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: var(--sp-2);
  transition: border-color var(--t);
}
.faq-item.open { border-color: var(--blue-200); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-4);
  font-size: 15px;
  font-weight: 600;
  color: var(--sl-800);
  text-align: left;
  transition: background var(--t), color var(--t);
  gap: var(--sp-3);
}
.faq-q:hover { background: var(--sl-50); }
.faq-item.open .faq-q { color: var(--c-primary); background: var(--blue-50); }
.faq-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--t), background var(--t), color var(--t);
  color: var(--sl-500);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-a { max-height: 500px; }
.faq-a__inner {
  padding: 0 var(--sp-4) var(--sp-3);
  font-size: 14px;
  color: var(--c-muted);
  line-height: 1.7;
}

/* ─── TEAM CARD ─────────────────────────────────── */
.team-card {
  text-align: center;
  padding: var(--sp-4);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  transition: box-shadow var(--t), transform var(--t);
}
.team-card:hover { box-shadow: var(--sh-md); transform: translateY(-3px); }
.team-card__avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  margin: 0 auto var(--sp-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 24px;
  color: #fff;
}
.team-card__name { font-size: 1.0625rem; margin-bottom: 4px; }
.team-card__role { font-size: 13px; color: var(--c-primary); font-weight: 500; margin-bottom: var(--sp-2); }
.team-card__bio  { font-size: 13px; color: var(--c-muted); line-height: 1.6; }
.team-card__links { display: flex; justify-content: center; gap: 8px; margin-top: var(--sp-2); }
.team-card__social {
  width: 32px; height: 32px;
  border-radius: var(--r);
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-muted);
  transition: color var(--t), border-color var(--t), background var(--t);
}
.team-card__social:hover { color: var(--c-primary); border-color: var(--blue-200); background: var(--blue-50); }

/* ─── VALUES CARD ───────────────────────────────── */
.value-card {
  padding: var(--sp-4);
  border-radius: var(--r-xl);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  transition: border-color var(--t), box-shadow var(--t);
}
.value-card:hover { border-color: var(--blue-200); box-shadow: var(--sh-sm); }
.value-card__icon {
  width: 48px; height: 48px;
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-2);
}
.value-card__title { font-size: 1.0625rem; margin-bottom: 8px; }
.value-card__desc  { font-size: 14px; color: var(--c-muted); line-height: 1.65; }

/* ─── FILTER TABS ───────────────────────────────── */
.filter-bar {
  display: flex;
  gap: var(--sp-1);
  flex-wrap: wrap;
  margin-bottom: var(--sp-5);
}
.filter-btn {
  padding: 8px 18px;
  border-radius: var(--r-full);
  font-size: 13px;
  font-weight: 600;
  border: 1.5px solid var(--c-border);
  color: var(--c-muted);
  background: var(--c-bg);
  transition: all var(--t);
  cursor: pointer;
}
.filter-btn:hover { border-color: var(--blue-200); color: var(--c-primary); }
.filter-btn.active {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
  box-shadow: var(--sh-primary);
}
.portfolio-item { transition: opacity 0.3s ease, transform 0.3s ease; }
.portfolio-item.hidden { display: none; }

/* ─── TOAST ─────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--sl-900);
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--r-lg);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--sh-xl);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: var(--z-toast);
  transform: translateY(80px);
  opacity: 0;
  transition: transform var(--t-slow), opacity var(--t-slow);
  pointer-events: none;
  max-width: 340px;
}
.toast.show { transform: none; opacity: 1; pointer-events: auto; }
.toast--success .toast__icon { color: var(--c-success); }
.toast--error   .toast__icon { color: var(--c-error); }

/* ─── SERVICE DETAIL (services page) ───────────── */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-7);
  align-items: center;
}
.service-detail--flip { direction: rtl; }
.service-detail--flip > * { direction: ltr; }
.service-detail__visual {
  border-radius: var(--r-2xl);
  overflow: hidden;
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-detail__features { display: flex; flex-direction: column; gap: var(--sp-2); margin-top: var(--sp-4); }
.service-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  background: var(--c-bg-alt);
  border-radius: var(--r-lg);
  border: 1px solid var(--c-border);
  transition: border-color var(--t);
}
.service-feature:hover { border-color: var(--blue-200); }
.service-feature__check {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--c-success);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  color: #fff;
}
.service-feature__title { font-size: 14px; font-weight: 600; color: var(--sl-800); margin-bottom: 2px; }
.service-feature__desc  { font-size: 13px; color: var(--c-muted); }
@media (max-width: 768px) {
  .service-detail { grid-template-columns: 1fr; gap: var(--sp-5); }
  .service-detail--flip { direction: ltr; }
  .service-detail__visual { min-height: 260px; }
}

/* ─── VISUAL MOCKUPS (tech illustrations) ────────── */
.tech-visual {
  background: linear-gradient(135deg, var(--sl-900), var(--blue-950));
  border-radius: var(--r-2xl);
  padding: var(--sp-4);
  width: 100%;
  min-height: 360px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.tech-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.tv-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
  padding: var(--sp-2) var(--sp-3);
  backdrop-filter: blur(8px);
  position: relative;
}
.tv-title { font-size: 11px; font-weight: 600; color: var(--sl-400); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 8px; }
.tv-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 7px; }
.tv-bar-label { font-size: 11px; color: var(--sl-500); width: 60px; flex-shrink: 0; }
.tv-bar-track { flex: 1; height: 6px; background: rgba(255,255,255,0.08); border-radius: 3px; overflow: hidden; }
.tv-bar-fill  { height: 100%; border-radius: 3px; }
.tv-bar-val { font-size: 11px; color: var(--sl-400); width: 32px; text-align: right; flex-shrink: 0; }
.tv-metric {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.tv-metric-item { flex: 1; min-width: 80px; }
.tv-metric-val {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 3px;
}
.tv-metric-val span { color: var(--cyan-400); font-size: 14px; }
.tv-metric-label { font-size: 11px; color: var(--sl-500); }
.tv-line-svg { width: 100%; height: 48px; }
.tv-badge {
  position: absolute;
  top: -10px;
  right: var(--sp-2);
  background: linear-gradient(135deg, var(--c-primary), var(--cyan-500));
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--r-full);
  letter-spacing: 0.04em;
}
.tv-dots { display: flex; gap: 5px; margin-bottom: 10px; }
.tv-dot { width: 8px; height: 8px; border-radius: 50%; }