/* ============================================================
   METROTEC ENGINEERING — styles.css
   Light theme · Blue accent
   Fonts:  Bebas Neue (hero) · Archivo (headings) · Space Grotesk (body)
   Colors: #FAFAFA bg · #2563EB blue · #00C3FF cyan · #CC1010 red
   ============================================================ */

/* ── 1. Custom Properties ─────────────────────────────────── */
:root {
  --bg:          #FAFAFA;
  --surface:     #FFFFFF;
  --surface-2:   #F4F4F5;
  --border:      #E4E4E7;
  --text:        #09090B;
  --muted:       #52525B;
  --muted-2:     #A1A1AA;

  --accent:      #2563EB;
  --accent-dark: #1D4ED8;
  --cyan:        #00C3FF;
  --red:         #CC1010;

  --font-display: 'Bebas Neue', sans-serif;
  --font-heading: 'Archivo', sans-serif;
  --font-body:    'Space Grotesk', sans-serif;

  --nav-h: 72px;

  --ease: cubic-bezier(.25,.46,.45,.94);
  --t:    220ms;
}

/* ── 2. Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ── 3. Layout ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

/* ── 4. Section Common ────────────────────────────────────── */
.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--text);
  letter-spacing: -.02em;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-desc {
  margin-top: 1rem;
  font-size: 1.0625rem;
  color: var(--muted);
  max-width: 520px;
  margin-inline: auto;
  line-height: 1.7;
}

/* ── 5. Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: .01em;
  transition: background-color var(--t) var(--ease),
              color var(--t) var(--ease),
              transform var(--t) var(--ease),
              box-shadow var(--t) var(--ease);
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn--accent {
  background-color: var(--accent);
  color: #FFFFFF;
}
.btn--accent:hover {
  background-color: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(37,99,235,.3);
}

.btn--outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}
.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--full { width: 100%; border-radius: 6px; }

/* ── 6. Navigation ────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: background-color var(--t), border-color var(--t), backdrop-filter var(--t);
}

.nav.scrolled {
  background-color: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 12px rgba(0,0,0,.07);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
}

.nav__logo-img {
  height: 48px;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav__logo-text {
  display: none;
  flex-direction: column;
  gap: 3px;
}
.logo--no-img .nav__logo-text {
  display: flex;
}

.nav__logo-line {
  font-family: var(--font-heading);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__link {
  font-size: .8125rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--t);
}
.nav__link:hover { color: var(--text); }

/* Nav base background (light) */
.nav { background-color: var(--surface); border-bottom: 1px solid var(--border); }
.nav__link:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 2px; }

.nav__hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
}
.nav__hamburger .close-icon { display: none; }
.nav__hamburger.open .hamburger-icon { display: none; }
.nav__hamburger.open .close-icon { display: block; }

@media (max-width: 767px) {
  .nav__hamburger { display: flex; }

  .nav__menu {
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem 1.5rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity var(--t), transform var(--t);
  }
  .nav__menu.open { opacity: 1; pointer-events: auto; transform: translateY(0); }

  .nav__link {
    padding: .85rem 0;
    border-bottom: 1px solid var(--border);
    font-size: .9375rem;
  }
  .nav__cta { margin-top: 1rem; text-align: center; }
}

/* ── 7. Hero ──────────────────────────────────────────────── */
.hero {
  background-color: var(--surface);
  overflow: hidden;
}

.hero__container {
  display: flex;
  flex-direction: column;
  max-width: 1280px;
  width: 100%;
  margin-inline: auto;
  padding: calc(var(--nav-h) + 3rem) clamp(1.25rem, 4vw, 3rem) 0;
}

/* Row 1: Heading + intro */
.hero__top {
  display: grid;
  grid-template-columns: 55fr 45fr;
  align-items: center;
  gap: clamp(2rem, 4vw, 5rem);
  margin-bottom: clamp(2rem, 3vw, 3rem);
}

.hero__overline {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero__heading {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 600;
  font-size: clamp(2.75rem, 5.5vw, 5rem);
  line-height: .95;
  letter-spacing: -.01em;
  color: var(--text);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.75rem;
}

.hero__intro-block {
  padding-bottom: .5rem;
}

.hero__avatars {
  display: flex;
  margin-bottom: 1rem;
}

.hero__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 2.5px solid var(--surface);
  box-shadow: 0 0 0 1.5px var(--border);
}

.hero__intro {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  font-weight: 300;
  color: var(--muted);
  line-height: 1.8;
}

/* Row 2: Two images */
.hero__images {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: clamp(.75rem, 1.5vw, 1.25rem);
  margin-bottom: 0;
}

.hero__img {
  border-radius: 16px;
  overflow: hidden;
  height: clamp(280px, 35vw, 460px);
}

.hero__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Row 3: Our Story */
.hero__story {
  display: grid;
  grid-template-columns: 1fr 3fr;
  align-items: start;
  gap: clamp(2rem, 4vw, 5rem);
  padding-block: clamp(2rem, 4vw, 3.5rem);
  border-top: 1px solid var(--border);
  margin-top: clamp(2rem, 3vw, 3rem);
}

.hero__story-label {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: .35rem;
}

.hero__story-text {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  line-height: 1.65;
  color: var(--text);
  max-width: 680px;
}

/* Row 4: Metrics */
.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.hero__metric {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: clamp(1.5rem, 3vw, 2.5rem) 0;
  padding-right: 1rem;
}

.hero__metric:not(:last-child) {
  border-right: 1px solid var(--border);
  padding-right: clamp(1.5rem, 3vw, 2.5rem);
}

.hero__metric:not(:first-child) {
  padding-left: clamp(1.5rem, 3vw, 2.5rem);
}

.hero__metric-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  color: var(--text);
}

.hero__metric-lbl {
  font-size: .8rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .03em;
}

/* Typewriter cursor */
.hero__cursor {
  display: inline-block;
  width: 3px;
  height: .85em;
  background-color: var(--accent);
  margin-left: 4px;
  vertical-align: middle;
  border-radius: 2px;
  animation: cursor-blink 1s step-end infinite;
}
.hero__cursor.done {
  animation: cursor-fade 600ms var(--ease) forwards;
}
@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
@keyframes cursor-fade {
  to { opacity: 0; }
}

/* Responsive */
@media (max-width: 900px) {
  .hero__container {
    padding-top: calc(var(--nav-h) + 2rem);
  }
  .hero__top {
    grid-template-columns: 1fr;
    align-items: flex-start;
    gap: 1.25rem;
  }
  .hero__images {
    grid-template-columns: 1fr;
  }
  .hero__img { height: 56vw; min-height: 220px; }
  .hero__story {
    grid-template-columns: 1fr;
    gap: .75rem;
  }
  .hero__metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero__metric:nth-child(2) {
    border-right: none;
  }
  .hero__metric:nth-child(3) {
    border-right: 1px solid var(--border);
    padding-left: 0;
  }
  .hero__metric:nth-child(4) {
    border-right: none;
  }
  .hero__metric:nth-child(3),
  .hero__metric:nth-child(4) {
    border-top: 1px solid var(--border);
  }
}

@media (max-width: 480px) {
  .hero__metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── 8. Values ────────────────────────────────────────────── */
.values {
  padding-block: clamp(4rem, 8vw, 7rem);
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  overflow: hidden;
}

.values__header {
  margin-bottom: clamp(2.5rem, 4vw, 3.5rem);
}

.values__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  margin-top: .6rem;
}

/* Marquee viewport */
.values__viewport {
  overflow: hidden;
  /* Edge fade */
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
}
.values__viewport:hover .values__track {
  animation-play-state: paused;
}

.values__track {
  display: flex;
  gap: 1.25rem;
  padding: 0.25rem 0 1rem;
  width: max-content;
  animation: values-marquee 40s linear infinite;
}

@keyframes values-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Individual value card */
.value-card {
  flex: 0 0 clamp(240px, 28vw, 300px);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: clamp(1.5rem, 2.5vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: box-shadow var(--t) var(--ease), transform var(--t) var(--ease);
}
.value-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,.07);
  transform: translateY(-3px);
}

.value-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.value-card__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.value-card__desc {
  font-size: .875rem;
  color: var(--muted);
  line-height: 1.7;
}


/* ── 9. Services ──────────────────────────────────────────── */
.services {
  padding-block: clamp(5rem, 10vw, 8rem);
  background-color: var(--surface);
  border-top: 1px solid var(--border);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

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

.service-card {
  position: relative;
  padding: 2.5rem 2rem;
  background-color: var(--surface);
  transition: background-color var(--t), box-shadow var(--t);
  border-right: 1.5px solid var(--border);
}
.service-card:last-child { border-right: none; }
.service-card:hover { background-color: #F0F4FF; box-shadow: inset 0 0 0 1px rgba(37,99,235,.1); }

.service-card__number {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  font-family: var(--font-display);
  font-size: 3.5rem;
  line-height: 1;
  color: #E4E4E7;
  user-select: none;
}

.service-card__icon { margin-bottom: 1.25rem; }

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: .75rem;
  letter-spacing: -.01em;
}

.service-card__title { color: var(--accent); }

.service-card__desc {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.service-card__list li {
  font-size: .875rem;
  color: var(--muted);
  padding-left: 1.1rem;
  position: relative;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0; top: .6em;
  width: 6px; height: 1.5px;
  background-color: var(--cyan);
  border-radius: 1px;
}

.service-card--accent .service-card__list li::before {
  background-color: var(--accent);
}

/* ── 9. Projects ──────────────────────────────────────────── */
.projects {
  padding-block: clamp(5rem, 10vw, 8rem);
  background-color: var(--surface);
  border-top: 1px solid var(--border);
}

.projects__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.projects__filters {
  display: flex;
  flex-wrap: wrap;
  gap: .625rem;
}

.filter-btn {
  padding: .45rem 1.1rem;
  border-radius: 100px;
  font-size: .8125rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--muted);
  border: 1px solid var(--border);
  background: transparent;
  transition: all var(--t);
  min-height: 36px;
  cursor: pointer;
}
.filter-btn:hover { border-color: var(--accent); color: var(--text); }
.filter-btn.active { background-color: var(--accent); border-color: var(--accent); color: #FFFFFF; font-weight: 700; }
.filter-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Zigzag list */
.projects__list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.project-row {
  display: grid;
  grid-template-columns: 3fr 2fr;
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
  min-height: 340px;
  transition: box-shadow var(--t) var(--ease),
              transform  550ms var(--ease),
              opacity    550ms var(--ease);
}

/* Scroll reveal — initial hidden state added by JS */
.project-row.reveal-hidden {
  opacity: 0;
  transform: translateY(36px);
}

.project-row:hover {
  box-shadow: 0 12px 48px rgba(0,0,0,.1);
  transform: translateY(-2px);
}

.project-row:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.project-row.hidden { display: none; }

.project-row--reverse {
  grid-template-columns: 2fr 3fr;
}

.project-row--reverse .project-row__media { order: 2; }
.project-row--reverse .project-row__content { order: 1; }

.project-row__media {
  position: relative;
  overflow: hidden;
}

.project-row__img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 600ms var(--ease);
}
.project-row:hover .project-row__img { transform: scale(1.04); }

/* Placeholder gradients — replace with background-image: url('images/projects/...') */
.p1 { background: linear-gradient(160deg, #1c2b3a 0%, #2c3e50 50%, #34495e 100%); }
.p2 { background: linear-gradient(160deg, #2d1b0e 0%, #4a2c15 50%, #6b3f1f 100%); }
.p3 { background: linear-gradient(160deg, #0a1628 0%, #1a2d4a 50%, #1e3a5f 100%); }
.p4 { background: linear-gradient(160deg, #1a1209 0%, #3d2b12 50%, #5c4020 100%); }
.p5 { background: linear-gradient(160deg, #1a2020 0%, #243030 50%, #2d3d3d 100%); }
.p6 { background: linear-gradient(160deg, #101a0d 0%, #1c2e17 50%, #253d20 100%); }
.placeholder-about { background-image: url('images/projects/Villa in Emirates Hills/Urban Landscapes-Emirates Hills-E170-300.jpeg'); background-size: cover; background-position: center; }

.project-row__content {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

.project-row__pill {
  display: inline-block;
  align-self: flex-start;
  padding: .3rem .9rem;
  border-radius: 100px;
  background-color: rgba(37,99,235,.08);
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(37,99,235,.15);
}

.project-row__name {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 900;
  color: var(--text);
  letter-spacing: -.02em;
  line-height: 1.15;
}

.project-row__desc {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.75;
}

.project-row__cta {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .875rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .02em;
  margin-top: .25rem;
  transition: gap var(--t);
}
.project-row:hover .project-row__cta { gap: .6rem; }

@media (max-width: 700px) {
  .project-row,
  .project-row--reverse {
    grid-template-columns: 1fr;
  }
  .project-row__media { min-height: 220px; }
  .project-row--reverse .project-row__media { order: 0; }
  .project-row--reverse .project-row__content { order: 1; }
  .project-row__content { padding: 1.5rem; }
}

/* ── 10. About ────────────────────────────────────────────── */
.about {
  padding-block: clamp(5rem, 10vw, 8rem);
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  overflow: hidden;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}

@media (min-width: 900px) {
  .about__grid { grid-template-columns: 1fr 1.1fr; }
}

.about__image-wrap {
  position: relative;
}

.about__image {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: 4px;
  background-size: cover;
  background-position: center;
  /* Replace with: background-image: url('images/about-photo.jpg'); */
}

.about__image-tag {
  position: absolute;
  bottom: -1rem; right: -1rem;
  background-color: var(--accent);
  color: #FFFFFF;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .6rem 1.1rem;
  border-radius: 4px;
}

.about__title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--text);
  margin-bottom: 1.5rem;
  margin-top: .5rem;
}

.about__text {
  font-size: .9375rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 1rem;
  max-width: 520px;
}

.about__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat__number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  line-height: 1;
  color: var(--accent);
  margin-bottom: .25rem;
}

.stat__sup {
  font-size: .55em;
  vertical-align: super;
}

.stat__label {
  display: block;
  font-size: .8125rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .04em;
}

.about__cta { margin-top: 2.5rem; }

/* ── 11. Contact ──────────────────────────────────────────── */
.contact {
  padding-block: clamp(5rem, 10vw, 8rem);
  background-color: var(--surface);
  border-top: 1px solid var(--border);
}

.contact .section-title { color: var(--text); }

.contact__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  max-width: 780px;
  margin-inline: auto;
  margin-bottom: 1.25rem;
}

@media (max-width: 640px) {
  .contact__cards { grid-template-columns: 1fr; }
}

/* Social banners */
.contact__social-banners {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  max-width: 1000px;
  margin-inline: auto;
}

@media (max-width: 840px) {
  .contact__social-banners { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .contact__social-banners { grid-template-columns: 1fr; }
}

.social-banner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem 1.75rem;
  border-radius: 12px;
  text-decoration: none;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
  cursor: pointer;
}

.social-banner:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
}

.social-banner:focus-visible {
  outline: 3px solid #FFFFFF;
  outline-offset: 2px;
}

.social-banner--linkedin {
  background-color: #0A66C2;
  color: #FFFFFF;
}

.social-banner--instagram {
  background: linear-gradient(135deg, #833AB4 0%, #C13584 35%, #E1306C 60%, #F56040 85%, #FCAF45 100%);
  color: #FFFFFF;
}

.social-banner--facebook {
  background-color: #1877F2;
  color: #FFFFFF;
}

.social-banner__icon {
  flex-shrink: 0;
  width: 52px; height: 52px;
  background-color: rgba(255,255,255,.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-banner__text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.social-banner__platform {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: .01em;
}

.social-banner__cta {
  font-size: .8125rem;
  opacity: .8;
  letter-spacing: .01em;
}

.social-banner__arrow {
  flex-shrink: 0;
  opacity: .7;
  transition: opacity var(--t), transform var(--t);
}

.social-banner:hover .social-banner__arrow {
  opacity: 1;
  transform: translate(3px, -3px);
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: .75rem;
  padding: 2rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: box-shadow var(--t), border-color var(--t);
}

.contact-card:hover {
  box-shadow: 0 4px 24px rgba(37,99,235,.08);
  border-color: rgba(37,99,235,.2);
}

.contact-card__icon {
  width: 48px; height: 48px;
  background-color: rgba(37,99,235,.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card__label {
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-card__value {
  font-size: .9375rem;
  color: var(--text);
  line-height: 1.5;
}

.contact-card__link { color: var(--accent); }
.contact-card__link:hover { text-decoration: underline; }

/* ── 12. Footer ───────────────────────────────────────────── */
.footer {
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  padding-block: 2.5rem;
}

.footer__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__container { flex-direction: row; justify-content: space-between; text-align: left; }
}

.footer__logo {
  display: flex;
  align-items: center;
}

.footer__logo-img {
  height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.footer__link {
  font-size: .8125rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--t);
}
.footer__link:hover { color: var(--accent); }
.footer__link:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.footer__copy {
  font-size: .75rem;
  color: var(--muted-2);
}

.footer__social {
  display: flex;
  gap: .75rem;
  align-items: center;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--muted);
  transition: color var(--t), border-color var(--t), background-color var(--t);
}

.footer__social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background-color: rgba(37,99,235,.06);
}

.footer__social-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ── 13. Lightbox ─────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}
.lightbox[hidden] { display: none; }

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0,0,0,.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.lightbox__panel {
  position: relative;
  z-index: 1;
  background-color: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  width: 100%;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  animation: lb-in 220ms var(--ease);
}

@keyframes lb-in {
  from { opacity: 0; transform: scale(.96) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.lightbox__close {
  position: absolute;
  top: 1rem; right: 1rem;
  z-index: 2;
  width: 38px; height: 38px;
  border-radius: 50%;
  background-color: rgba(0,0,0,.08);
  color: #09090B;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--t);
}
.lightbox__close:hover { background-color: rgba(0,0,0,.14); }
.lightbox__close:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.lightbox__gallery {
  position: relative;
}

.lightbox__img {
  width: 100%;
  aspect-ratio: 16/9;
  background-size: cover;
  background-position: center;
  transition: opacity 250ms var(--ease);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 40px; height: 40px;
  border-radius: 50%;
  background-color: rgba(0,0,0,.5);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--t);
  backdrop-filter: blur(4px);
}
.lightbox__nav:hover { background-color: rgba(0,0,0,.75); }
.lightbox__nav--prev { left: .75rem; }
.lightbox__nav--next { right: .75rem; }
.lightbox__nav:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.lightbox__dots {
  position: absolute;
  bottom: .75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: .4rem;
}

.lightbox__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background-color: rgba(255,255,255,.45);
  transition: background-color var(--t), transform var(--t);
}
.lightbox__dot.active {
  background-color: #FFFFFF;
  transform: scale(1.3);
}

.lightbox__body {
  padding: 2rem 2rem 2.5rem;
}

.lightbox__tag {
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .5rem;
}

.lightbox__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 900;
  color: #09090B;
  margin-bottom: 1rem;
  letter-spacing: -.01em;
}

.lightbox__desc {
  font-size: .9375rem;
  color: #52525B;
  line-height: 1.75;
}

/* ── 14. Active nav link ──────────────────────────────────── */
.nav__link.active {
  color: var(--text);
  font-weight: 700;
}

/* ── 15. Lightbox image counter ───────────────────────────── */
.lightbox__counter {
  position: absolute;
  bottom: .75rem;
  right: .75rem;
  background-color: rgba(0,0,0,.55);
  color: #FFFFFF;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: .25rem .6rem;
  border-radius: 100px;
  backdrop-filter: blur(4px);
  pointer-events: none;
  z-index: 2;
}

/* ── 16. Project card photo badge ─────────────────────────── */
.project-row__badge {
  position: absolute;
  bottom: .75rem;
  left: .75rem;
  background-color: rgba(0,0,0,.55);
  color: #FFFFFF;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .03em;
  padding: .25rem .6rem;
  border-radius: 100px;
  backdrop-filter: blur(4px);
  pointer-events: none;
  z-index: 1;
}