/* ============================================================
   Web Clinica — Modern CSS (2024)
   Aesthetic: Medical-tech precision. Deep navy + teal accent.
   Fonts: DM Serif Display + DM Sans
   ============================================================ */

/* ── Google Fonts import ──────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* ── CSS Custom Properties ────────────────────────────────── */
:root {
  --clr-bg:        #0b1220;
  --clr-surface:   #111b2e;
  --clr-surface2:  #162035;
  --clr-border:    rgba(255,255,255,0.08);
  --clr-teal:      #2ecfba;
  --clr-teal-dark: #1aaa97;
  --clr-teal-glow: rgba(46,207,186,0.15);
  --clr-text:      #e8edf5;
  --clr-muted:     #8899b4;
  --clr-white:     #ffffff;
  --clr-purple:    #7b5ea7;

  --font-display:  'DM Serif Display', Georgia, serif;
  --font-body:     'DM Sans', system-ui, sans-serif;

  --radius:        8px;
  --radius-lg:     16px;
  --nav-h:         72px;
  --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--clr-teal);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--clr-white); }

ul { list-style: none; }

/* ── Utility ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-pad {
  padding: 100px 0;
}

.text-teal   { color: var(--clr-teal); }
.text-muted  { color: var(--clr-muted); }
.text-center { text-align: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--clr-teal);
  color: var(--clr-bg);
}
.btn-primary:hover {
  background: var(--clr-teal-dark);
  color: var(--clr-bg);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--clr-teal-glow);
}

.btn-outline {
  background: transparent;
  color: var(--clr-teal);
  border: 1.5px solid var(--clr-teal);
}
.btn-outline:hover {
  background: var(--clr-teal);
  color: var(--clr-bg);
}

.divider {
  width: 48px;
  height: 3px;
  background: var(--clr-teal);
  border-radius: 2px;
  margin: 16px auto 0;
}
.divider.left { margin-left: 0; }

/* ── Navigation ───────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), backdrop-filter var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--clr-white);
  letter-spacing: 0.02em;
}
.nav-brand span { color: var(--clr-teal); }
.nav-brand:hover { color: var(--clr-white); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(232,237,245,0.8);
  letter-spacing: 0.03em;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-teal);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--clr-white); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  padding: 8px 20px;
  font-size: 0.875rem;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: rgba(11, 18, 32, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  z-index: 8999;
  padding: 24px;
  flex-direction: column;
  gap: 4px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  display: block;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--clr-text);
  border-radius: var(--radius);
  transition: background var(--transition);
}
.nav-mobile a:hover {
  background: var(--clr-teal-glow);
  color: var(--clr-teal);
}

/* ── Hero ─────────────────────────────────────────────────── */
#hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/background.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  filter: brightness(0.35) saturate(0.8);
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(11,18,32,0.5) 0%,
    rgba(22,160,133,0.12) 50%,
    rgba(11,18,32,0.8) 100%
  );
  z-index: 1;
}

/* Decorative grid lines */
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(46,207,186,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,207,186,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
  padding: 0 24px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-teal);
  background: rgba(46,207,186,0.1);
  border: 1px solid rgba(46,207,186,0.25);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  animation: fadeInDown 0.8s ease both;
}
.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  background: var(--clr-teal);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 400;
  color: var(--clr-white);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  animation: fadeInUp 0.9s ease 0.15s both;
}

.hero-title em {
  font-style: italic;
  color: var(--clr-teal);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(232,237,245,0.7);
  letter-spacing: 0.04em;
  margin-bottom: 40px;
  font-weight: 300;
  animation: fadeInUp 0.9s ease 0.3s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.9s ease 0.45s both;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(232,237,245,0.4);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeIn 1.2s ease 1s both;
}

.scroll-indicator {
  width: 24px;
  height: 38px;
  border: 1.5px solid rgba(232,237,245,0.25);
  border-radius: 100px;
  position: relative;
}
.scroll-indicator::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--clr-teal);
  border-radius: 100px;
  animation: scrollBounce 2s ease infinite;
}

@keyframes scrollBounce {
  0%   { top: 6px; opacity: 1; }
  100% { top: 20px; opacity: 0; }
}

/* ── About Section ────────────────────────────────────────── */
#about {
  padding: 100px 0;
  background: var(--clr-bg);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-teal);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.8vw, 2.8rem);
  color: var(--clr-white);
  line-height: 1.15;
  margin-bottom: 16px;
  font-variant: all-small-caps;
  letter-spacing: 0.06em;
  font-weight: 400;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--clr-muted);
  line-height: 1.75;
}

/* About intro text */
.about-intro {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
  font-size: 1.15rem;
  color: var(--clr-text);
  line-height: 1.8;
}

/* Three-column capabilities */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.cap-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.cap-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-teal), var(--clr-purple));
  opacity: 0;
  transition: opacity var(--transition);
}

.cap-card:hover {
  border-color: rgba(46,207,186,0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 40px var(--clr-teal-glow);
}

.cap-card:hover::before { opacity: 1; }

.cap-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: rgba(46,207,186,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.cap-card:hover .cap-icon {
  background: rgba(46,207,186,0.15);
}

.cap-icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.cap-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--clr-white);
  line-height: 1.4;
}

/* ── Products Section ─────────────────────────────────────── */
#our_service {
  padding: 100px 0;
  background: var(--clr-surface);
  position: relative;
}

#our_service::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(46,207,186,0.05) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(123,94,167,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.products-intro {
  max-width: 820px;
  margin: 0 auto 64px;
  text-align: center;
}

.products-intro p {
  font-size: 1.05rem;
  color: var(--clr-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.products-intro strong a {
  color: var(--clr-teal);
  font-weight: 600;
}

.modules-box {
  background: rgba(11,18,32,0.6);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  margin: 36px 0;
  position: relative;
}

.modules-box-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-teal);
  margin-bottom: 24px;
  font-size: 1.1rem;
  font-family: var(--font-display);
}

.modules-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 32px;
  list-style: none;
}

.modules-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--clr-text);
  line-height: 1.6;
}

.modules-list li::before {
  content: '›';
  color: var(--clr-teal);
  font-size: 1.2rem;
  line-height: 1.5;
  flex-shrink: 0;
}

.users-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(46,207,186,0.1);
  border: 1px solid rgba(46,207,186,0.25);
  border-radius: 100px;
  padding: 10px 24px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--clr-teal);
  margin-top: 32px;
}

/* Services three-up */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 64px;
}

.service-card {
  background: rgba(11,18,32,0.5);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 48px 36px;
  text-align: center;
  transition: all var(--transition);
}

.service-card:hover {
  border-color: rgba(46,207,186,0.3);
  background: rgba(11,18,32,0.8);
  transform: translateY(-4px);
}

.service-card-icon {
  font-size: 2.8rem;
  color: var(--clr-teal);
  margin-bottom: 24px;
  transition: transform var(--transition);
}

.service-card:hover .service-card-icon {
  transform: scale(1.15);
}

.service-card-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--clr-white);
  margin-bottom: 16px;
  line-height: 1.3;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--clr-muted);
  line-height: 1.75;
}

/* ── Portfolio Section ────────────────────────────────────── */
#portfolio {
  padding: 100px 0;
  background: var(--clr-bg);
}

.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 8px 20px;
  border: 1.5px solid var(--clr-border);
  background: transparent;
  color: var(--clr-muted);
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.825rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--clr-teal);
  color: var(--clr-teal);
  background: rgba(46,207,186,0.08);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  transition: all var(--transition);
  aspect-ratio: 16/10;
}

.portfolio-item.hidden {
  display: none;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,18,32,0.9) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}

.portfolio-item:hover img { transform: scale(1.06); }
.portfolio-item:hover .portfolio-item-overlay { opacity: 1; }
.portfolio-item:hover {
  border-color: rgba(46,207,186,0.3);
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.portfolio-item-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-white);
}

/* ── Contact Section ──────────────────────────────────────── */
#contact {
  padding: 100px 0;
  background: var(--clr-surface);
}

.contact-wrapper {
  max-width: 560px;
  margin: 0 auto;
}

.form-group {
  position: relative;
  margin-bottom: 20px;
}

.form-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--clr-muted);
  font-size: 0.95rem;
  pointer-events: none;
  z-index: 1;
}

.form-icon-top {
  top: 16px;
  transform: none;
}

.form-control {
  width: 100%;
  padding: 14px 16px 14px 44px;
  background: rgba(11,18,32,0.6);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-control::placeholder { color: var(--clr-muted); }

.form-control:focus {
  border-color: var(--clr-teal);
  box-shadow: 0 0 0 3px rgba(46,207,186,0.12);
}

textarea.form-control {
  resize: vertical;
  min-height: 150px;
}

.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  justify-content: center;
}

.form-message {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 20px;
  display: none;
}
.form-message.success {
  background: rgba(46,207,186,0.1);
  border: 1px solid rgba(46,207,186,0.3);
  color: var(--clr-teal);
  display: block;
}
.form-message.error {
  background: rgba(220,53,69,0.1);
  border: 1px solid rgba(220,53,69,0.3);
  color: #f87171;
  display: block;
}

/* ── Footer ───────────────────────────────────────────────── */
footer {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding: 48px 0;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--clr-white);
  margin-bottom: 12px;
}
.footer-brand span { color: var(--clr-teal); }

.footer-tagline {
  font-size: 0.875rem;
  color: var(--clr-muted);
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.footer-address {
  font-size: 0.825rem;
  color: var(--clr-muted);
  margin-bottom: 24px;
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(136,153,180,0.6);
}

.footer-copy a { color: var(--clr-teal); }

/* ── Showcase page styles (shared by all sub-pages) ───────── */
.showcase-hero {
  padding: calc(var(--nav-h) + 60px) 0 60px;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
}

.showcase-gallery {
  padding: 80px 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.gallery-img {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--clr-border);
}

.gallery-img img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}

.gallery-img:hover img { transform: scale(1.02); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--clr-muted);
  margin-bottom: 32px;
  transition: color var(--transition);
}
.back-link:hover { color: var(--clr-teal); }

.showcase-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3rem);
  color: var(--clr-white);
  line-height: 1.15;
  margin-bottom: 20px;
  font-variant: all-small-caps;
  letter-spacing: 0.06em;
  font-weight: 400;
}

.showcase-desc {
  font-size: 1.05rem;
  color: var(--clr-muted);
  line-height: 1.8;
  max-width: 720px;
}

/* ── Animations ───────────────────────────────────────────── */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .capabilities-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .modules-list { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .capabilities-grid,
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .modules-box { padding: 28px 24px; }
  .hero-title { letter-spacing: -0.01em; }
  .section-pad { padding: 72px 0; }
  .gallery-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
}

/* ── Contact URL feedback ─────────────────────────────────── */
#contact-status { display: none; }

/* ── Lightbox ─────────────────────────────────────────────── */
.lightbox-trigger {
  cursor: zoom-in;
  display: block;
}

#lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: lbFadeIn 0.2s ease;
}

#lightbox-overlay.active {
  display: flex;
}

@keyframes lbFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.lightbox-inner {
  position: relative;
  max-width: min(1100px, 95vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: lbSlideUp 0.25s ease;
}

@keyframes lbSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

#lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
  display: block;
}

#lightbox-caption {
  margin-top: 16px;
  font-size: 0.875rem;
  color: rgba(232,237,245,0.7);
  text-align: center;
  letter-spacing: 0.03em;
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: var(--clr-white);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  z-index: 100000;
}
.lightbox-close:hover { background: rgba(255,255,255,0.2); }

.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: var(--clr-white);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  z-index: 100000;
}
.lightbox-nav:hover { background: rgba(255,255,255,0.2); }
.lightbox-nav.prev { left: 16px; }
.lightbox-nav.next { right: 16px; }

@media (max-width: 600px) {
  .lightbox-nav { display: none; }
}