/* ============================================================
   NER2 Theme — main.css
   New Era of Reliable Engineering
   Brand: Cyan #5EE6E6 / Navy #0B1320 / Grey #E8ECEF
   Font: IBM Plex Sans 600 / tracking -0.04em
   ============================================================ */

/* ── Tokens ──────────────────────────────────────────────── */
:root {
  /* Colors */
  --cyan:     #5EE6E6;
  --navy:     #0B1320;
  --navy-02:  #142235;
  --grey:     #E8ECEF;
  --grey-dim: #8A9BB0;
  --white:    #FFFFFF;
  --line:     #1f3346;

  /* Typography */
  --font-sans: 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --tracking:  -0.04em;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  /* Layout */
  --container: 1320px;
  --radius:    4px;
  --radius-lg: 8px;

  /* Animation */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur:  0.5s;
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--navy);
  color: var(--grey);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
svg { flex-shrink: 0; }

/* ── Container ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 64px;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: var(--tracking);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  transition: all 0.2s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--cyan);
  color: var(--navy);
}
.btn--primary:hover {
  background: #7AECEC;
  transform: translateY(-1px);
}
.btn--ghost {
  border: 1.5px solid rgba(94,230,230,0.3);
  color: var(--cyan);
}
.btn--ghost:hover {
  border-color: var(--cyan);
  background: rgba(94,230,230,0.06);
}
.btn--sm  { font-size: 0.8125rem; padding: 0.5rem 1rem; }
.btn--lg  { font-size: 1rem; padding: 1rem 2rem; }
.btn--full { width: 100%; justify-content: center; }

/* ── Section base ────────────────────────────────────────── */
.section { padding-block: 40px; border-top: 1px solid var(--line); }
.section__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.section__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: var(--tracking);
  color: var(--white);
  line-height: 1.1;
  margin-bottom: var(--space-4);
}
.section__subtitle {
  font-size: 1.125rem;
  color: var(--grey-dim);
  max-width: 52ch;
  line-height: 1.7;
}
.section__header {
  margin-bottom: var(--space-16);
}
.section__header--row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}

/* ── Animations ──────────────────────────────────────────── */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
[data-animate="fade-left"] {
  transform: translateX(24px);
}
[data-animate].is-visible {
  opacity: 1;
  transform: none;
}

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: var(--space-4);
  transition: background 0.3s, backdrop-filter 0.3s, padding 0.3s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(11,19,32,0.92);
  backdrop-filter: blur(12px);
  border-bottom-color: rgba(94,230,230,0.08);
  padding-block: var(--space-3);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.site-header__wordmark { display: none; } /* wordmark is embedded in the lockup SVG */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.site-nav__list a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--grey-dim);
  transition: color 0.2s;
}
.site-nav__list a:hover { color: var(--grey); }
.nav-cta { margin-left: var(--space-2); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}
.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--grey);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.is-open .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle.is-open .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 80px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(94,230,230,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94,230,230,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero__glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(94,230,230,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.hero__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  padding-block: var(--space-16);
}
.hero__content { max-width: 700px; }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  padding: var(--space-2) var(--space-3);
  border: 1px solid rgba(94,230,230,0.2);
  border-radius: 100px;
}
.hero__title {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 600;
  letter-spacing: var(--tracking);
  color: var(--white);
  line-height: 1.0;
  margin-bottom: var(--space-6);
}
.hero__subtitle {
  font-size: 1.25rem;
  color: var(--grey-dim);
  max-width: 50ch;
  line-height: 1.7;
  margin-bottom: var(--space-8);
}
.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-6) var(--space-8);
  border: 1px solid rgba(94,230,230,0.12);
  border-radius: var(--radius-lg);
  background: rgba(20,34,53,0.5);
  backdrop-filter: blur(8px);
  width: fit-content;
}
.hero__stat { text-align: center; }
.hero__stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: var(--tracking);
  line-height: 1;
}
.hero__stat-unit { font-size: 1.25rem; }
.hero__stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--grey-dim);
  margin-top: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(94,230,230,0.15);
}
.hero__scroll {
  position: relative;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--grey-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: hero-scroll 2s ease-in-out infinite;
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
}
@keyframes hero-scroll {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50%       { opacity: 1;   transform: translateX(-50%) translateY(6px); }
}

/* ── Hero — el contenido va por encima del bg ───────────── */
.hero__inner,
.hero__scroll {
  position: relative;
  z-index: 1;
}
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    justify-content: flex-start;
    padding-top: 100px;
    padding-bottom: 60px;
    background-image: none;
  }
}
/* ── Services ─────────────────────────────────────────────── */
.services { background: var(--navy-02); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.service-card {
  position: relative;
  padding: var(--space-8);
  border: 1px solid rgba(94,230,230,0.1);
  border-radius: var(--radius-lg);
  background: var(--navy);
  transition: border-color 0.3s, transform 0.3s var(--ease);
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.service-card:hover { border-color: rgba(94,230,230,0.25); transform: translateY(-4px); }
.service-card:hover::before { transform: scaleX(1); }
.service-card--featured {
  background: var(--cyan);
  border-color: var(--cyan);
}
.service-card--featured .service-card__title,
.service-card--featured .service-card__tag,
.service-card--featured .service-card__desc,
.service-card--featured .service-card__features li { color: var(--navy); }
.service-card--featured .service-card__features li::before { background: var(--navy); }
.service-card--featured .service-card__cta { color: var(--navy); }
.service-card--featured .service-card__cta:hover { color: var(--navy-02); }
.service-card--featured::before { display: none; }
.service-card--featured:hover { transform: translateY(-6px); box-shadow: 0 20px 60px rgba(94,230,230,0.2); }
.service-card__icon { margin-bottom: var(--space-6); }
.service-card__number {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--grey-dim);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}
.service-card--featured .service-card__number { color: rgba(11,19,32,0.5); }
.service-card__badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--navy);
  background: rgba(11,19,32,0.15);
  padding: var(--space-1) var(--space-3);
  border-radius: 100px;
}
.service-card__title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: var(--tracking);
  color: var(--white);
  margin-bottom: var(--space-2);
}
.service-card__tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  margin-bottom: var(--space-4);
}
.service-card--featured .service-card__tag { color: rgba(11,19,32,0.7); }
.service-card__desc {
  font-size: 0.9375rem;
  color: var(--grey-dim);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.service-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.service-card__features li {
  font-size: 0.875rem;
  color: var(--grey-dim);
  padding-left: var(--space-4);
  position: relative;
}
.service-card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}
.service-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan);
  transition: gap 0.2s;
}
.service-card__cta:hover { gap: var(--space-3); }

/* ── Services grid — 2×2 ─────────────────────────────── */
.services__grid--2x2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
 
@media (max-width: 768px) {
  .services__grid--2x2 {
    grid-template-columns: 1fr;
  }
}
 
/* ── Service card — ícono a la derecha del título ────── */
.service-card__title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
 
.service-card__title-row .service-card__title {
  flex: 1;
}
 
.service-card__title-row .service-card__icon {
  flex-shrink: 0;
  margin-top: 2px;
}
 

/* ── Why NER2 ─────────────────────────────────────────────── */
.why-ner2__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}
.why-ner2__left { position: sticky; top: 120px; }
.why-ner2__body {
  color: var(--grey-dim);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}
.why-ner2__left .btn { margin-top: var(--space-8); }
.why-ner2__right { display: flex; flex-direction: column; gap: var(--space-1); }
.differentiator {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  transition: background 0.2s;
}
.differentiator:hover { background: var(--navy-02); }
.differentiator__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: rgba(94,230,230,0.08);
  flex-shrink: 0;
  margin-top: 2px;
}
.differentiator__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: var(--tracking);
  margin-bottom: var(--space-1);
}
.differentiator__desc {
  font-size: 0.9375rem;
  color: var(--grey-dim);
  line-height: 1.7;
}

/* ── Team ─────────────────────────────────────────────────── */
.team { background: var(--navy-02); }
.team__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}
.team-card {
  border: 1px solid rgba(94,230,230,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--navy);
  transition: border-color 0.3s, transform 0.3s var(--ease);
}
.team-card:hover { border-color: rgba(94,230,230,0.2); transform: translateY(-4px); }
.team-card__photo {
  position: relative;
  aspect-ratio: 1;
  background: var(--navy-02);
  overflow: hidden;
}
.team-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.team-card__photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-02);
  opacity: 0.4;
}
.team-card__badge {
  position: absolute;
  bottom: var(--space-3);
  right: var(--space-3);
  background: var(--cyan);
  border-radius: var(--radius);
  padding: var(--space-1);
  display: flex;
}
.team-card__info { padding: var(--space-4); }
.team-card__name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: var(--tracking);
  margin-bottom: var(--space-1);
}
.team-card__role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  margin-bottom: var(--space-3);
}
.team-card__links {
  display: flex;
  gap: var(--space-3);
}
.team-card__links a {
  color: var(--grey-dim);
  transition: color 0.2s;
}
.team-card__links a:hover { color: var(--cyan); }
.team__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  padding: var(--space-8);
  border: 1px dashed rgba(94,230,230,0.2);
  border-radius: var(--radius-lg);
}
.team__cta p {
  font-size: 1rem;
  color: var(--grey-dim);
}

/* ── Testimonials ─────────────────────────────────────────── */
.testimonials { overflow: hidden; }
.testimonials__slider { position: relative; }
.testimonials__track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.testimonial-card {
  padding: var(--space-8);
  border: 1px solid rgba(94,230,230,0.1);
  border-radius: var(--radius-lg);
  background: var(--navy-02);
  transition: border-color 0.3s;
}
.testimonial-card:hover { border-color: rgba(94,230,230,0.25); }
.testimonial-card__stars {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
}
.testimonial-card__quote {
  font-size: 1rem;
  color: var(--grey);
  line-height: 1.8;
  margin-bottom: var(--space-6);
  position: relative;
}
.testimonial-card__quote::before {
  content: '"';
  font-size: 3rem;
  color: var(--cyan);
  line-height: 1;
  display: block;
  margin-bottom: var(--space-2);
  font-family: Georgia, serif;
  opacity: 0.6;
}
.testimonial-card__footer {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  border-top: 1px solid rgba(94,230,230,0.08);
  padding-top: var(--space-6);
}
.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--cyan);
  flex-shrink: 0;
}
.testimonial-card__avatar img { width: 100%; height: 100%; object-fit: cover; }
.testimonial-card__name {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--white);
  font-style: normal;
}
.testimonial-card__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--grey-dim);
}
.testimonials__controls {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
}
.testimonials__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid rgba(94,230,230,0.2);
  color: var(--cyan);
  transition: background 0.2s, border-color 0.2s;
}
.testimonials__btn:hover {
  background: rgba(94,230,230,0.08);
  border-color: var(--cyan);
}

/* ── Blog Preview ─────────────────────────────────────────── */
.blog-preview { background: var(--navy-02); }
.blog-preview__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.blog-card {
  border: 1px solid rgba(94,230,230,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--navy);
  transition: border-color 0.3s, transform 0.3s var(--ease);
  display: flex;
  flex-direction: column;
}
.blog-card:hover { border-color: rgba(94,230,230,0.2); transform: translateY(-4px); }
.blog-card__image {
  display: block;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}
.blog-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.blog-card:hover .blog-card__image img { transform: scale(1.04); }
.blog-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--grey-dim);
  margin-bottom: var(--space-4);
}
.blog-card__cat {
  color: var(--cyan);
  padding: 2px var(--space-2);
  border: 1px solid rgba(94,230,230,0.2);
  border-radius: 100px;
}
.blog-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: var(--tracking);
  line-height: 1.35;
  margin-bottom: var(--space-3);
}
.blog-card__title a { transition: color 0.2s; }
.blog-card__title a:hover { color: var(--cyan); }
.blog-card__excerpt {
  font-size: 0.9375rem;
  color: var(--grey-dim);
  line-height: 1.7;
  flex: 1;
  margin-bottom: var(--space-6);
}
.blog-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan);
  transition: gap 0.2s;
}
.blog-card__link:hover { gap: var(--space-3); }
.blog-preview__empty {
  text-align: center;
  padding: var(--space-16);
  color: var(--grey-dim);
  border: 1px dashed rgba(94,230,230,0.15);
  border-radius: var(--radius-lg);
}

/* ── Contact ──────────────────────────────────────────────── */
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}
.contact__left { position: sticky; top: 120px; }
.contact__desc {
  color: var(--grey-dim);
  line-height: 1.8;
  margin-top: var(--space-4);
  margin-bottom: var(--space-8);
}
.contact__info { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-8); }
.contact__info-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: var(--grey-dim);
  transition: color 0.2s;
}
.contact__info-item:hover { color: var(--grey); }
.contact__promise {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--navy-02);
  border-radius: var(--radius-lg);
  border-left: 2px solid var(--cyan);
}
.contact__promise p {
  font-size: 0.9375rem;
  color: var(--grey-dim);
  font-style: italic;
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: var(--space-4); }
.contact-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-field { display: flex; flex-direction: column; gap: var(--space-2); }
.form-field__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--grey-dim);
  letter-spacing: 0.02em;
}
.form-field__label span { color: var(--cyan); }
.form-field__input,
.form-field__select,
.form-field__textarea {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--grey);
  background: var(--navy-02);
  border: 1px solid rgba(94,230,230,0.15);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
  transition: border-color 0.2s, background 0.2s;
  outline: none;
  width: 100%;
}
.form-field__input::placeholder,
.form-field__textarea::placeholder { color: var(--grey-dim); opacity: 0.6; }
.form-field__input:focus,
.form-field__select:focus,
.form-field__textarea:focus {
  border-color: var(--cyan);
  background: rgba(20,34,53,0.8);
}
.form-field__select { appearance: none; cursor: pointer; }
.form-field__textarea { resize: vertical; min-height: auto; }
.contact-form__feedback {
  padding: var(--space-4);
  border-radius: var(--radius);
  font-size: 0.9375rem;
}
.contact-form__feedback.success {
  background: rgba(94,230,230,0.1);
  border: 1px solid rgba(94,230,230,0.3);
  color: var(--cyan);
}
.contact-form__feedback.error {
  background: rgba(255,80,80,0.08);
  border: 1px solid rgba(255,80,80,0.2);
  color: #FF8080;
}
.spin { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: #070E18;
  border-top: 1px solid rgba(94,230,230,0.08);
  padding-top: var(--space-16);
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: var(--space-16);
  padding-bottom: var(--space-12);
}
.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.site-footer__brand svg { margin-bottom: var(--space-1); }
.site-footer__wordmark { display: none; }
.site-footer__tagline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--grey-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.site-footer__col-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--grey);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.site-footer__col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.site-footer__col a {
  font-size: 0.9375rem;
  color: var(--grey-dim);
  transition: color 0.2s;
}
.site-footer__col a:hover { color: var(--cyan); }
.site-footer__bottom {
  border-top: 1px solid rgba(94,230,230,0.06);
  padding-block: var(--space-6);
}
.site-footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.site-footer__copy {
  font-size: 0.8125rem;
  color: var(--grey-dim);
}
.site-footer__nav {
  display: flex;
  gap: var(--space-6);
}
.site-footer__nav a {
  font-size: 0.8125rem;
  color: var(--grey-dim);
  transition: color 0.2s;
}
.site-footer__nav a:hover { color: var(--grey); }

/* ── Single Post ──────────────────────────────────────────── */
.entry-header { padding-block: var(--space-16) var(--space-8); }
.entry-content {
  max-width: 72ch;
  margin-inline: auto;
  padding-block: var(--space-8) var(--space-16);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--grey);
}
.entry-content h2, .entry-content h3 {
  color: var(--white);
  letter-spacing: var(--tracking);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}
.entry-content p { margin-bottom: var(--space-4); }
.entry-content a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.entry-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--navy-02);
  padding: 2px 6px;
  border-radius: var(--radius);
}
.entry-content pre {
  background: var(--navy-02);
  border: 1px solid rgba(94,230,230,0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  overflow-x: auto;
  margin-bottom: var(--space-6);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: 1fr; }
  .team__grid { grid-template-columns: repeat(2, 1fr); }
  .why-ner2__layout { grid-template-columns: 1fr; }
  .why-ner2__left { position: static; }
  .contact__layout { grid-template-columns: 1fr; }
  .contact__left { position: static; }
  .testimonials__track { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
}

@media (max-width: 768px) {
  :root { --space-24: 4rem; }
  .container { padding-inline: 24px; }
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--navy);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-8);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
    z-index: 99;
  }
  .site-nav.is-open { transform: none; }
  .site-nav__list { flex-direction: column; font-size: 1.25rem; }
  .blog-preview__grid { grid-template-columns: 1fr; }
  .team__grid { grid-template-columns: repeat(2, 1fr); }
  .hero__stats { flex-direction: column; width: 100%; gap: var(--space-6); }
  .hero__stat-divider { width: 40px; height: 1px; }
  .contact-form__row { grid-template-columns: 1fr; }
  .site-footer__inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .site-footer__cols { grid-template-columns: 1fr 1fr; }
  .section__header--row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .team__grid { grid-template-columns: 1fr; }
  .site-footer__cols { grid-template-columns: 1fr; }
}