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

:root {
  --bg:#ffffff; --bg2:#f7f7f5; --border:#e8e8e8;
  --text:#111; --muted:#999; --accent:#1a6fff; --accent2:#3d85ff;
  --card-shadow: rgba(0,0,0,0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:#0f0f0f; --bg2:#1a1a1a; --border:#2a2a2a;
    --text:#f0f0f0; --muted:#666; --accent:#4d8fff; --accent2:#6aa3ff;
    --card-shadow: rgba(0,0,0,0.4);
  }
}

[data-theme="light"] {
  --bg: #ffffff;
  --bg2: #f7f7f5;
  --border: #e8e8e8;
  --text: #111;
  --muted: #999;
  --accent: #1a6fff;
  --accent2: #3d85ff;
  --card-shadow: rgba(0,0,0,0.08);
}

[data-theme="dark"] {
  --bg: #0f0f0f;
  --bg2: #1a1a1a;
  --border: #2a2a2a;
  --text: #f0f0f0;
  --muted: #666;
  --accent: #4d8fff;
  --accent2: #6aa3ff;
  --card-shadow: rgba(0,0,0,0.4);
}

/* ===== Body ===== */
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

/* ===== Navigation ===== */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 3rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 100;
}

.logo-svg { height: 64px; width: auto; }
.logo-text { fill: var(--text); }

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav ul a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

nav ul a:hover,
nav ul a.active { color: var(--text); }

/* ===== Theme Toggle ===== */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  cursor: pointer;
  color: var(--muted);
  display: flex;
  align-items: center;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  flex-shrink: 0;
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--bg2);
}

/* ===== Hero (index) ===== */
.hero {
  padding: 6rem 3rem 4rem;
  max-width: 820px;
  margin: 0 auto;
  animation: fadeUp 0.6s ease both;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.35rem 0.9rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse 2s infinite;
}

@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

h1 em { font-style: normal; color: var(--accent); }

.subtitle {
  font-size: 1.1rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 3rem;
}

.cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-whatsapp { background: #25d366; color: #fff; border: none; }
.btn-whatsapp:hover { background: #1ebe5d; transform: translateY(-1px); }

.btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--muted); }

.btn-accent { background: var(--accent); color: #fff; border: none; }
.btn-accent:hover { background: var(--accent2); transform: translateY(-1px); }

/* ===== Divider ===== */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 3rem;
}

/* ===== Sections ===== */
section.services,
section.contact {
  max-width: 820px;
  margin: 0 auto;
  animation: fadeUp 0.6s ease both;
}

.services { padding: 7rem 3rem; animation-delay: 0.1s; }
.contact { padding: 6rem 3rem 9rem; animation-delay: 0.2s; }

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 3rem;
}

/* ===== Grid / Cards ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2.5rem;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  color: var(--text);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px var(--card-shadow);
  border-color: var(--accent2);
}

.card-icon {
  width: 72px;
  height: 56px;
  margin-bottom: 1.2rem;
  display: block;
}

.card h3 { font-size: 1rem; font-weight: 400; margin-bottom: 0.5rem; }
.card p { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }

.card-featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 2rem;
}

.card-featured .card-icon { margin-bottom: 0; flex-shrink: 0; }

.trabajos-cta {
  margin-top: 2.5rem;
  display: flex;
  justify-content: flex-end;
}

/* ===== Contact Box ===== */
.contact-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.contact-box h2 { font-size: 1.6rem; font-weight: 300; letter-spacing: -0.02em; }
.contact-box p { color: var(--muted); font-size: 0.9rem; margin-top: 0.4rem; }

/* ===== Footer ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--accent); }

footer span {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
}

/* ===== Page Hero (trabajos) ===== */
.page-hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 6rem 3rem 4rem;
  animation: fadeUp 0.6s ease both;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.page-hero h1 em { font-style: normal; color: var(--accent); }

.page-hero .subtitle {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 500px;
}

/* ===== Portfolio (trabajos) ===== */
.portfolio {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 3rem 8rem;
  animation: fadeUp 0.6s ease 0.1s both;
}

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

.project {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: var(--text);
  display: block;
  background: var(--bg);
}

.project:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--card-shadow);
}

.project-preview {
  width: 100%;
  height: 220px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}

.project-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 0.4s ease;
}

.project:hover .project-preview img { transform: scale(1.03); }

.project-preview.no-img {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.8rem;
}

.project-preview.no-img .ph-url {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
}

.project-preview.no-img svg { opacity: 0.15; }

.project-info {
  padding: 1.4rem 1.6rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-name { font-size: 1rem; font-weight: 400; }
.project-url { font-family: 'DM Mono', monospace; font-size: 0.72rem; color: var(--muted); margin-top: 0.3rem; }

.project-arrow {
  color: var(--muted);
  font-size: 1.1rem;
  transition: transform 0.2s, color 0.2s;
  flex-shrink: 0;
}

.project:hover .project-arrow { transform: translate(2px, -2px); color: var(--accent); }

.project-tag {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.15rem 0.6rem;
  margin-top: 0.4rem;
}

/* ===== Keyframes ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  nav { padding: 1rem 2rem; }
  nav ul { gap: 1.2rem; }

  .hero { padding: 5rem 2rem 4rem; }
  .page-hero { padding: 4rem 2rem 3rem; }

  .services,
  .contact { padding-left: 2rem; padding-right: 2rem; }

  .portfolio { padding-left: 2rem; padding-right: 2rem; }
  .portfolio-grid { grid-template-columns: 1fr; }

  .divider { margin: 0 2rem; }

  footer { padding: 1.5rem 2rem; }

  .grid { grid-template-columns: repeat(2, 1fr); }
  .card-featured { grid-column: span 2; }
}

@media (max-width: 480px) {
  nav { padding: 1rem 1.2rem; }
  nav ul { gap: 0.8rem; }
  nav ul a { font-size: 0.8rem; }

  .logo-svg { height: 50px; }

  .hero { padding: 4rem 1.2rem 3rem; }
  .page-hero { padding: 3rem 1.2rem 2rem; }

  h1 { font-size: 2.4rem; }
  .subtitle { font-size: 1rem; }

  .cta-group { flex-direction: column; }
  .btn { justify-content: center; }

  .services,
  .contact { padding-left: 1.2rem; padding-right: 1.2rem; }
  .services { padding-top: 3.5rem; padding-bottom: 3.5rem; }
  .contact { padding-top: 3rem; padding-bottom: 5rem; }

  .portfolio { padding-left: 1.2rem; padding-right: 1.2rem; padding-bottom: 5rem; }

  .divider { margin: 0 1.2rem; }

  .grid { grid-template-columns: 1fr; }
  .card-featured { grid-column: span 1; display: block; }
  .card-featured .card-icon { margin-bottom: 1.2rem; }

  .contact-box { padding: 2rem 1.5rem; flex-direction: column; align-items: flex-start; }

  footer { padding: 1.2rem; flex-direction: column; gap: 0.5rem; align-items: flex-start; }
}