/* ========================================================
   JS BLACK CODE — CORE STYLES & ARCHITECTURE
   Refactorizado, Modular & 100% Mobile First Ready
   ======================================================== */

/* --- Variables y Paleta Central --- */
:root {
  --bg-deep: #06080d;
  --bg-surface: #0e121b;
  --bg-surface-elevated: #151b27;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(0, 210, 255, 0.4);

  --primary: #0070f3;
  --primary-glow: rgba(0, 112, 243, 0.35);
  --cyan: #00d2ff;
  --cyan-glow: rgba(0, 210, 255, 0.2);

  --text-pure: #ffffff;
  --text-primary: #e2e8f0;
  --text-muted: #94a3b8;
  --text-faint: #64748b;

  --font-title: 'Space Grotesk', sans-serif;
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'Fira Code', monospace;
}

/* --- Reseteo Defensivo --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  width: 100%;
}

/* --- Fondos de Ambiente Tecnológico --- */
.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

.bg-glow-1 {
  top: -100px;
  left: 20%;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
}

.bg-glow-2 {
  top: 400px;
  right: -100px;
  background: radial-gradient(circle, var(--cyan) 0%, transparent 70%);
}

/* --- Header / Navbar Flotante --- */
.header-wrap {
  position: sticky;
  top: 1rem;
  z-index: 100;
  padding: 0 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: rgba(14, 18, 27, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  gap: 1rem;
}

.brand {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-pure);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.brand-bracket {
  color: var(--cyan);
  font-family: var(--font-mono);
}

.brand-text {
  font-family: var(--font-title);
  letter-spacing: 0.5px;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--text-pure);
}

.nav-actions {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.btn-glow-nav {
  background: linear-gradient(135deg, rgba(0, 112, 243, 0.2), rgba(0, 210, 255, 0.2));
  border: 1px solid rgba(0, 210, 255, 0.4);
  color: var(--text-pure);
  text-decoration: none;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.3s ease;
}

.btn-glow-nav:hover {
  background: var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 3.5rem auto 5rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-left {
  min-width: 0;
}

.hero-right {
  min-width: 0;
  width: 100%;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 1rem;
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.25);
  border-radius: 999px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.7; }
}

.hero-title {
  font-family: var(--font-title);
  font-size: 3.2rem;
  line-height: 1.15;
  color: var(--text-pure);
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.gradient-text {
  background: linear-gradient(135deg, #fff 20%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.25rem;
  max-width: 540px;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: var(--primary);
  color: #fff;
  padding: 0.85rem 1.75rem;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 112, 243, 0.5);
}

.btn-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.85rem 1.75rem;
  border-radius: 10px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Métricas del Hero */
.hero-metrics {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  width: 100%;
}

.metric {
  min-width: 0;
}

.metric-val {
  display: block;
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-pure);
}

.metric-lbl {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-separator {
  width: 1px;
  height: 30px;
  background: var(--border-subtle);
  flex-shrink: 0;
}

/* Mockup de Terminal / IDE */
.tech-window {
  background: #0a0e17;
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  width: 100%;
  max-width: 100%;
}

.window-header {
  background: #111622;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  gap: 0.5rem;
}

.window-dots {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.window-title {
  color: var(--text-muted);
  font-size: 0.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.window-status {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #27c93f;
  font-size: 0.7rem;
  flex-shrink: 0;
}

.status-live {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #27c93f;
}

.code-body {
  padding: 1.25rem;
  line-height: 1.7;
}

.code-body pre {
  margin: 0;
  overflow-x: auto;
}

.code-body code {
  font-family: var(--font-mono);
}

.token-kw { color: #ff7b72; }
.token-str { color: #a5d6ff; }
.token-fn { color: #d2a8ff; }
.token-bool { color: #79c0ff; }

.terminal-output {
  margin-top: 1.25rem;
  padding: 0.75rem;
  background: #05070a;
  border-radius: 8px;
  color: var(--text-muted);
  border-left: 2px solid var(--cyan);
  font-size: 0.75rem;
}

.term-arrow {
  color: var(--cyan);
  font-weight: bold;
}

/* --- Secciones Comunes --- */
.section {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 6rem auto;
  padding: 0 1.5rem;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-title);
  font-size: 2.25rem;
  color: var(--text-pure);
  margin: 0.5rem 0 1rem;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1rem;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.bento-wide {
  grid-column: span 2;
}

.bento-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2.25rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-focus);
  background: var(--bg-surface-elevated);
}

.bento-icon {
  font-size: 2rem;
  margin-bottom: 1.25rem;
}

.bento-card h3 {
  font-family: var(--font-title);
  font-size: 1.25rem;
  color: var(--text-pure);
  margin-bottom: 0.75rem;
}

.bento-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.card-features {
  list-style: none;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
}

.card-features li {
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-features li::before {
  content: "→";
  color: var(--cyan);
}

/* Diferenciales Grid */
.grid-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 1.5rem;
  border-radius: 12px;
}

.feature-bullet {
  color: var(--cyan);
  font-weight: bold;
  font-size: 1.2rem;
  line-height: 1;
}

.feature-item h4 {
  font-family: var(--font-title);
  color: var(--text-pure);
  margin-bottom: 0.25rem;
}

.feature-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* --- Cotizador Interactivo --- */
.calculator-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.5rem;
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.calc-options {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.calc-group-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.35rem;
}

.calc-check-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: #0b0f17;
  border: 1px solid var(--border-subtle);
  padding: 1.1rem;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.calc-check-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.calc-check-card input[type="radio"],
.calc-check-card input[type="checkbox"] {
  margin-top: 0.25rem;
  accent-color: var(--cyan);
  width: 18px;
  height: 18px;
  cursor: pointer;
  flex-shrink: 0;
}

.calc-check-card:has(input:checked) {
  border-color: var(--cyan);
  background: rgba(0, 210, 255, 0.05);
}

.check-info strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-pure);
  margin-bottom: 0.2rem;
}

.check-info span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.calc-summary {
  background: linear-gradient(145deg, #121824, #0b0f17);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
}

.summary-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  letter-spacing: 1px;
}

.summary-box h4 {
  font-family: var(--font-title);
  font-size: 1.4rem;
  color: var(--text-pure);
  margin: 0.5rem 0;
}

.summary-box p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 1.75rem;
}

.btn-whatsapp {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: #25d366;
  color: #0b2212;
  padding: 0.95rem 1.2rem;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-whatsapp:hover {
  background: #20ba59;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}

/* --- Input de Lead Tech --- */
.lead-field-group {
  margin-bottom: 1.5rem;
  text-align: left;
}

.lead-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
  letter-spacing: 0.3px;
}

.label-prefix {
  color: var(--cyan);
  font-weight: bold;
  margin-right: 4px;
}

.label-hint {
  color: var(--text-faint);
  font-size: 0.75rem;
}

.lead-input-box {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(6, 8, 13, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  transition: all 0.25s ease;
  overflow: hidden;
}

.input-icon {
  padding-left: 1rem;
  font-size: 0.95rem;
  opacity: 0.7;
}

.lead-input-box input {
  width: 100%;
  background: transparent !important;
  border: none !important;
  padding: 0.85rem 1rem 0.85rem 0.65rem;
  color: var(--text-pure) !important;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  outline: none;
}

.lead-input-box input::placeholder {
  color: var(--text-faint);
}

.lead-input-box:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 15px var(--cyan-glow);
  background: rgba(14, 18, 27, 0.95);
}

/* --- Footer & Marca Embebida --- */
.footer {
  border-top: 1px solid var(--border-subtle);
  background: #040508;
  padding: 5rem 1.5rem 3rem;
  position: relative;
  z-index: 1;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  font-family: var(--font-title);
  font-size: 1.25rem;
  color: var(--text-pure);
}

.footer-brand-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.6rem;
}

.footer-embedded-logo {
  width: 42px;
  height: 42px;
  object-fit: cover;
  display: block;
  flex-shrink: 0;
  border-radius: 8px;
  border: 1px solid rgba(0, 210, 255, 0.3);
  mix-blend-mode: screen;
  -webkit-mask-image: radial-gradient(circle at center, black 60%, transparent 98%);
  mask-image: radial-gradient(circle at center, black 60%, transparent 98%);
  filter: contrast(1.1) brightness(1.05);
}

.brand-code {
  color: var(--cyan);
  font-family: var(--font-mono);
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: 0.4rem;
  font-family: var(--font-sans);
}

.brand-badge-nic {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  color: var(--cyan);
}

.footer-links {
  display: flex;
  gap: 4rem;
}

.link-col {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.link-col strong {
  font-size: 0.85rem;
  color: var(--text-pure);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.link-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.link-col a:hover {
  color: var(--cyan);
}

.support-status {
  font-size: 0.8rem;
  color: var(--text-faint);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-faint);
}

/* ========================================================
   RESPONSIVE DESIGN (Tablets y Laptops Intermedias <= 960px)
   ======================================================== */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    margin-top: 2rem;
    gap: 2.5rem;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-metrics {
    justify-content: center;
  }

  .bento-grid {
    grid-template-columns: 1fr;
  }

  .bento-wide {
    grid-column: span 1;
  }

  .calculator-card {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 2rem;
  }

  .nav-menu {
    display: none;
  }
}

/* ========================================================
   RESPONSIVE DEFINITIVO SMARTPHONES (<= 768px)
   ======================================================== */
@media (max-width: 768px) {
  /* 1. Header & Barra Flotante Compacta */
  .header-wrap {
    top: 0.75rem;
    padding: 0 0.75rem;
  }

  .navbar {
    padding: 0.45rem 0.85rem;
    gap: 0.5rem;
  }

  .brand {
    font-size: 0.84rem;
    gap: 0.25rem;
  }

  .brand-text {
    font-size: 0.84rem;
    letter-spacing: 0.2px;
  }

  .btn-glow-nav {
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
  }

  /* 2. Hero Section */
  .hero {
    margin: 2.5rem auto 3.5rem;
    padding: 0 1rem;
  }

  .pill-badge {
    font-size: 0.68rem;
    padding: 0.3rem 0.7rem;
    max-width: 100%;
    margin-bottom: 1.25rem;
    white-space: normal;
  }

  .hero-title {
    font-size: clamp(1.65rem, 6.8vw, 2.15rem);
    line-height: 1.18;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
    word-break: normal;
  }

  .hero-subtitle {
    font-size: 0.9rem;
    line-height: 1.55;
    margin-bottom: 1.75rem;
  }

  /* Botones del Hero en Columna */
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 0.7rem;
    margin-bottom: 2.25rem;
  }

  .hero-cta-group .btn-primary,
  .hero-cta-group .btn-glass {
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 0.9rem;
  }

  /* 3. Métricas en 3 Columnas Uniformes */
  .hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.35rem;
    padding-top: 1.5rem;
    justify-content: stretch;
  }

  .metric-separator {
    display: none; /* Oculta los separadores verticales que empujan en mobile */
  }

  .metric {
    text-align: center;
    padding: 0.25rem;
  }

  .metric-val {
    font-size: 1.1rem;
    white-space: nowrap;
  }

  .metric-lbl {
    font-size: 0.62rem;
    letter-spacing: 0;
    line-height: 1.2;
    margin-top: 0.2rem;
  }

  /* 4. Mockup de Consola / IDE */
  .tech-window {
    border-radius: 12px;
  }

  .window-header {
    padding: 0.6rem 0.8rem;
  }

  .window-title {
    font-size: 0.68rem;
  }

  .window-status {
    font-size: 0.65rem;
  }

  .code-body {
    padding: 0.85rem;
  }

  .code-body pre {
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 0.7rem;
    line-height: 1.5;
  }

  .terminal-output {
    margin-top: 0.85rem;
    padding: 0.6rem;
    font-size: 0.68rem;
    line-height: 1.35;
    word-break: break-word;
  }

  /* 5. Secciones, Títulos y Bento Cards */
  .section {
    margin: 4rem auto;
    padding: 0 1rem;
  }

  .section-header {
    margin-bottom: 2.25rem;
  }

  .section-tag {
    font-size: 0.7rem;
  }

  .section-title {
    font-size: clamp(1.5rem, 6vw, 1.85rem);
    line-height: 1.2;
  }

  .section-desc {
    font-size: 0.88rem;
  }

  .bento-card {
    padding: 1.5rem 1.25rem;
    border-radius: 14px;
  }

  .bento-icon {
    font-size: 1.6rem;
    margin-bottom: 0.85rem;
  }

  .bento-card h3 {
    font-size: 1.15rem;
  }

  .bento-card p {
    font-size: 0.88rem;
  }

  /* 6. Cotizador & Formulario */
  .calculator-card {
    padding: 1.5rem 1rem;
    border-radius: 16px;
    gap: 1.75rem;
  }

  .calc-check-card {
    padding: 0.85rem;
    gap: 0.75rem;
  }

  .check-info strong {
    font-size: 0.88rem;
  }

  .check-info span {
    font-size: 0.76rem;
  }

  .calc-summary {
    padding: 1.35rem 1rem;
  }

  .summary-box h4 {
    font-size: 1.2rem;
  }

  .summary-box p {
    font-size: 0.82rem;
    margin-bottom: 1.25rem;
  }

  .btn-whatsapp {
    font-size: 0.85rem;
    padding: 0.85rem 1rem;
  }

  /* 7. Footer */
  .footer {
    padding: 3.5rem 1rem 2rem;
  }

  .footer-links {
    flex-direction: column;
    gap: 1.5rem;
  }
}