/* ============================================================
   SEGURIDAD PILARES – Landing Page Styles
   Paleta: Azul oscuro | Dorado | Negro | Blanco
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --navy:       #000000;
  --navy-mid:   #050505;
  --navy-light: #0f0f0f;
  --gold:       #ffffff;
  --gold-light: #f5f5f5;
  --gold-dark:  #e0e0e0;
  --black:      #000000;
  --white:      #ffffff;
  --gray:       #d0d0d0;
  --gray-light: #f8f8f8;
  --green-wa:   #25d366;

  --font-head:  'Montserrat', sans-serif;
  --font-body:  'Open Sans', sans-serif;

  --radius:     12px;
  --radius-lg:  20px;
  --shadow:     0 8px 32px rgba(0,0,0,0.35);
  --shadow-gold:0 4px 24px rgba(255,255,255,0.15);
  --transition: 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  background: #000000;
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

/* ── Container ──────────────────────────────────────────────── */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ── Typography helpers ─────────────────────────────────────── */
.gold { color: var(--gold); }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 12px 28px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold) 100%);
  background-size: 200% auto;
  color: var(--black);
  border-color: var(--gold);
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover {
  background-position: right center;
  box-shadow: 0 6px 32px rgba(255,255,255,0.3);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

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

.btn-whatsapp {
  background: var(--green-wa);
  color: var(--white);
  border-color: var(--green-wa);
  box-shadow: 0 4px 20px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover {
  background: #1ebe5d;
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(37,211,102,0.5);
}

.btn-lg  { padding: 15px 36px; font-size: 1rem; }
.btn-xl  { padding: 18px 48px; font-size: 1.1rem; border-radius: var(--radius-lg); }

/* ── Navbar ─────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 14px 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.15);
  transition: background var(--transition), padding var(--transition);
}
.navbar.scrolled {
  background: rgba(0, 0, 0, 0.98);
  padding: 10px 0;
  border-bottom-color: rgba(255,255,255,0.25);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(255,255,255,0.2));
}
.nav-brand {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--gold); }
.nav-cta { color: var(--black) !important; padding: 9px 20px !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(160deg, #000000 0%, #050505 40%, #0f0f0f 70%, #000000 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(255,255,255,0.05) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(10,22,40,0.8) 0%, transparent 60%);
  pointer-events: none;
}

/* Animated grid lines */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 0 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.hero-logo {
  width: 320px;
  height: 320px;
  object-fit: contain;
  filter: drop-shadow(0 0 40px rgba(255,255,255,0.2));
  animation: logoPulse 4s ease-in-out infinite;
  margin-bottom: 30px;
  background: transparent;
}

@keyframes logoPulse {
  0%, 100% { filter: drop-shadow(0 0 40px rgba(255,255,255,0.3)) drop-shadow(0 0 80px rgba(255,255,255,0.1)); }
  50%       { filter: drop-shadow(0 0 60px rgba(255,255,255,0.5)) drop-shadow(0 0 120px rgba(255,255,255,0.2)); }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 900px;
  text-shadow: 0 8px 32px rgba(0,0,0,0.8), 0 0 60px rgba(0,0,0,0.8);
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--gray);
  max-width: 560px;
  font-weight: 400;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll-hint span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  position: relative;
}
.hero-scroll-hint span::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--gold);
  border-radius: 2px;
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
  0%   { opacity: 1; top: 6px; }
  100% { opacity: 0; top: 22px; }
}

/* ── Section commons ────────────────────────────────────────── */
.section { padding: 100px 0; }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 5px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold-light));
  margin: 0 auto;
  border-radius: 2px;
}

.section-desc {
  color: var(--gray);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 20px auto 0;
}

/* ── About ──────────────────────────────────────────────────── */
.about {
  background: linear-gradient(180deg, #000000 0%, #050505 50%, #000000 100%);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.about-intro {
  font-size: 1.05rem;
  color: var(--gray);
  line-height: 1.8;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.about-box {
  background: linear-gradient(145deg, rgba(15,15,15,0.8) 0%, rgba(5,5,5,0.95) 100%);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
}
.about-box:hover {
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 30px rgba(255,255,255,0.08);
}

.about-box h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 12px;
}

.about-box p {
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.7;
}

.values-section,
.objectives-section {
  background: linear-gradient(145deg, rgba(15,15,15,0.7) 0%, rgba(5,5,5,0.9) 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}

.values-section h3,
.objectives-section h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  text-align: center;
}

.values-list,
.objectives-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.values-list li,
.objectives-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--gray);
}

.values-list li span,
.objectives-list li span {
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ── Services ───────────────────────────────────────────────── */
.services {
  background: linear-gradient(180deg, #000000 0%, #050505 50%, #000000 100%);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.service-card {
  background: linear-gradient(145deg, rgba(25,25,25,0.9) 0%, rgba(15,15,15,0.95) 100%);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 40px rgba(255,255,255,0.08);
}
.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  color: var(--gold);
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  transition: all var(--transition);
}
.service-card:hover .service-icon {
  background: rgba(255,255,255,0.12);
  box-shadow: 0 0 20px rgba(255,255,255,0.15);
}

.service-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--white);
}
.service-card p {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ── Why Us ─────────────────────────────────────────────────── */
.why-us {
  background: var(--black);
  position: relative;
}
.why-us::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 50%, rgba(255,255,255,0.03) 0%, transparent 70%);
  pointer-events: none;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.why-card {
  background: linear-gradient(145deg, rgba(25,25,25,0.7) 0%, rgba(15,15,15,0.9) 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 40px 28px 32px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.why-card:hover {
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow), 0 0 30px rgba(255,255,255,0.06);
}

.why-number {
  position: absolute;
  top: 20px;
  right: 24px;
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 900;
  color: rgba(255,255,255,0.05);
  line-height: 1;
  pointer-events: none;
}

.why-icon {
  width: 56px;
  height: 56px;
  color: var(--gold);
  margin-bottom: 20px;
  background: rgba(255,255,255,0.08);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  transition: all var(--transition);
}
.why-card:hover .why-icon {
  background: rgba(255,255,255,0.12);
  box-shadow: 0 0 16px rgba(255,255,255,0.15);
}

.why-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--white);
}
.why-card p {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.65;
}

/* ── Contact ────────────────────────────────────────────────── */
.contact {
  background: linear-gradient(180deg, #000000 0%, #050505 50%, #000000 100%);
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

@media (max-width: 1200px) {
  .contact-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .contact-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .contact-cards {
    grid-template-columns: 1fr;
  }
}

.contact-card {
  background: linear-gradient(145deg, rgba(25,25,25,0.95) 0%, rgba(15,15,15,0.98) 100%);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
  transition: all var(--transition);
}
.contact-card:hover {
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow), 0 0 40px rgba(255,255,255,0.08);
}

.contact-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
}
.phone-icon   { background: rgba(255,255,255,0.08); color: var(--gold); }
.email-icon   { background: rgba(26,48,96,0.6);    color: var(--gold-light); }
.whatsapp-icon{ background: rgba(37,211,102,0.12); color: var(--green-wa); }

.contact-info { display: flex; flex-direction: column; gap: 4px; }
.contact-label {
  font-size: 0.75rem;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}
.contact-value {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  word-break: break-word;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* ── CTA Final ──────────────────────────────────────────────── */
.cta-final {
  position: relative;
  overflow: hidden;
  padding: 120px 0;
  background: #000000;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, #000000 0%, #050505 40%, #0f0f0f 70%, #000000 100%),
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(255,255,255,0.05) 0%, transparent 70%);
  background-blend-mode: normal;
}
.cta-final::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: 40px 40px;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.cta-logo {
  width: 100px;
  height: 100px;
  object-fit: contain;
  filter: drop-shadow(0 0 30px rgba(255,255,255,0.3));
}

.cta-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  max-width: 700px;
}

.cta-sub {
  color: var(--gray);
  font-size: 1.05rem;
  max-width: 500px;
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  background: #000000;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.footer-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
}
.footer-copy {
  font-size: 0.8rem;
  color: var(--gray);
}
.footer-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--gray);
}
.footer-contact a {
  color: var(--gold);
  transition: color var(--transition);
}
.footer-contact a:hover { color: var(--gold-light); }
.footer-contact span { color: rgba(255,255,255,0.2); }

/* ── Scroll reveal animations ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  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; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(6,12,24,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 40px;
    gap: 24px;
    transition: right var(--transition);
    border-left: 1px solid rgba(255,255,255,0.12);
    z-index: 999;
  }
  .nav-links.open { right: 0; }
  .nav-links a { font-size: 1rem; }
  .nav-cta { width: 100%; justify-content: center; }

  .hero-logo { width: 120px; height: 120px; }
  .hero-btns { flex-direction: column; align-items: center; }
  .hero-btns .btn { width: 100%; max-width: 300px; }

  .section { padding: 70px 0; }

  .services-grid,
  .why-grid,
  .contact-cards { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-contact { flex-direction: column; gap: 6px; }
  .footer-contact span { display: none; }
}

@media (max-width: 480px) {
  .hero-content { padding: 100px 0 60px; }
  .cta-final { padding: 80px 0; }
}

/* ── Floating particles ─────────────────────────────────────── */
.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0;
  animation: floatParticle linear infinite;
}
@keyframes floatParticle {
  0%   { opacity: 0; transform: translateY(0) scale(0); }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.2; }
  100% { opacity: 0; transform: translateY(-100vh) scale(1.5); }
}


/* ── Portfolio / Nuestros Trabajos ──────────────────────────── */
.portfolio {
  background: linear-gradient(180deg, #000000 0%, #050505 50%, #000000 100%);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.portfolio-item {
  background: linear-gradient(145deg, rgba(25,25,25,0.95) 0%, rgba(15,15,15,0.98) 100%);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: all var(--transition);
  overflow: hidden;
}

.portfolio-item:hover {
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-8px);
  box-shadow: var(--shadow), 0 0 40px rgba(255,255,255,0.08);
}

.portfolio-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.portfolio-title {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
}

.portfolio-desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.6;
}

.portfolio-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.portfolio-image-placeholder {
  aspect-ratio: 1;
  background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.03) 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--gray);
  font-weight: 600;
  transition: all var(--transition);
}

.portfolio-item:hover .portfolio-image-placeholder {
  background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.05) 100%);
  border-color: rgba(255,255,255,0.2);
}

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .portfolio-images {
    grid-template-columns: repeat(2, 1fr);
  }
}