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

:root {
  --navy:       #0c0c39;
  --orange:     #ef3611;
  --white:      #ffffff;
  --off-white:  #f0f0f0;
  --text-dim:   rgba(255,255,255,0.55);
  --text-mid:   rgba(255,255,255,0.75);
  --border:     rgba(255,255,255,0.1);
  --border-orange: rgba(255,75,39,0.3);
  --card-bg:    rgba(255,255,255,0.04);
  --card-hover: rgba(255,255,255,0.08);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', sans-serif;
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

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

/* Custom scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--orange); border-radius: 10px; }


/* ─── CURSOR ─────────────────────────────────────────────── */
.cursor-dot {
  width: 8px; height: 8px;
  background: var(--orange);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: transform 0.1s var(--ease-out), opacity 0.3s;
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1.5px solid rgba(255,75,39,0.5);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.35s var(--ease-out), width 0.3s, height 0.3s, border-color 0.3s;
}

/* ─── NAVBAR ─────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  transition: background 0.4s, padding 0.4s;
}
nav.scrolled {
  background: rgba(0, 0, 128, 0.92);
  backdrop-filter: blur(16px);
  padding: 1rem 3rem;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  text-decoration: none;
}
.nav-logo span { color: var(--orange); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  color: var(--text-mid);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  position: relative;
  transition: color 0.3s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--orange);
  transition: width 0.3s var(--ease-out);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
}

/* ─── HERO ───────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 3rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-left { padding-right: 2rem; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}
.hero-eyebrow-line {
  width: 28px; height: 1px;
  background: var(--orange);
}
.hero-eyebrow-text {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  font-weight: 500;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 3.25rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 0.3rem;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.35s forwards;
}
/* Orange accent spans inside hero name */
.hero-name .accent-name { color: var(--orange); }
.hero-name .last-name   { display: inline; color: var(--white); }

/* Hero subtitle — displayed as a vertical list */
.hero-subtitle {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-family: var(--font-body);
  font-size: clamp(0.88rem, 1.4vw, 1rem);
  font-weight: 300;
  line-height: 1.75;
  color: var(--text-mid);
  max-width: 520px;
  margin: 1.25rem 0 0;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.45s forwards;
}
.hero-subtitle li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero-subtitle li .subtitle-icon { font-size: 1.1rem; }

.hero-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2rem 0 2.5rem;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.5s forwards;
}
.skill-chip {
  padding: 0.4rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-mid);
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  transition: all 0.3s var(--ease-out);
  cursor: default;
}
.skill-chip:hover {
  border-color: var(--orange);
  color: var(--white);
  background: rgba(255,75,39,0.1);
  transform: translateY(-2px);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.65s forwards;
}

.btn-primary {
  padding: 0.85rem 2rem;
  background: var(--orange);
  color: var(--white);
  border: none;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s, background 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(255,75,39,0.35);
  background: #ff5f3c;
}

.btn-secondary {
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-secondary:hover {
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.06);
  transform: translateY(-3px);
}

/* Hero right — photo collage */
.hero-right {
  position: relative;
  height: 580px;
  opacity: 0;
  animation: fadeIn 1.2s var(--ease-out) 0.6s forwards;
}

.photo-collage {
  position: relative;
  width: 100%;
  height: 100%;
}

.photo-card {
  position: absolute;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transition: transform 0.5s var(--ease-out), box-shadow 0.5s;
}
.photo-card:hover {
  z-index: 10;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}
.photo-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.9);
}

/* Collage layout positions */
.photo-card:nth-child(1) { width: 55%; height: 65%; top: 0; left: 10%; transform: rotate(-1.5deg); animation: floatA 8s ease-in-out infinite; }
.photo-card:nth-child(2) { width: 42%; height: 52%; top: 8%; right: 0; transform: rotate(2deg); animation: floatB 9s ease-in-out infinite; }
.photo-card:nth-child(3) { width: 38%; height: 44%; bottom: 5%; left: 0; transform: rotate(1deg); animation: floatC 10s ease-in-out infinite; }
.photo-card:nth-child(4) { width: 46%; height: 40%; bottom: 2%; right: 5%; transform: rotate(-0.5deg); animation: floatA 11s ease-in-out infinite reverse; }
.photo-card:nth-child(5) { width: 30%; height: 30%; top: 40%; left: 38%; transform: rotate(1.5deg); z-index: 5; animation: floatB 7s ease-in-out infinite; }

/* Orange gradient frame on main photo */
.photo-card:nth-child(1)::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: linear-gradient(135deg, var(--orange), transparent 60%);
  z-index: -1;
  border-radius: 10px;
  opacity: 0;
  transition: opacity 0.4s;
}
.photo-card:nth-child(1):hover::before { opacity: 1; }

@keyframes floatA { 0%,100% { transform: rotate(-1.5deg) translateY(0); } 50% { transform: rotate(-1.5deg) translateY(-10px); } }
@keyframes floatB { 0%,100% { transform: rotate(2deg) translateY(0); }    50% { transform: rotate(2deg) translateY(-14px); } }
@keyframes floatC { 0%,100% { transform: rotate(1deg) translateY(0); }    50% { transform: rotate(1deg) translateY(-8px); } }

/* Decorative dot cluster */
.dot-cluster {
  position: absolute;
  bottom: 15%; right: 45%;
  display: grid;
  grid-template-columns: repeat(4, 8px);
  gap: 5px;
}
.dot-cluster span {
  width: 4px; height: 4px;
  background: var(--orange);
  border-radius: 50%;
  opacity: 0.5;
}

/* ─── ABOUT ──────────────────────────────────────────────── */
#about {
  padding: 7rem 3rem;
  position: relative;
}
#about::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
}

.about-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 5rem;
  align-items: center;
}

.about-label {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--orange);
}
.about-label strong {
  display: block;
  color: var(--orange);
  font-weight: 700;
}

.about-text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-mid);
  font-weight: 300;
  max-width: 580px;
}
.about-text strong  { color: var(--white); font-weight: 500; }
.about-text .highlight { color: var(--orange); font-weight: 500; }

.about-skills { margin-top: 2.5rem; }
.skills-group-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  font-weight: 500;
  margin-bottom: 0.85rem;
}
.skills-tech-wrap,
.skills-soft-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}
.skill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-mid);
  background: var(--card-bg);
  transition: all 0.3s var(--ease-out);
}
.skill-badge:hover {
  border-color: var(--orange);
  color: var(--white);
  background: rgba(255,75,39,0.1);
}
.skill-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  border-radius: 3px;
  font-size: 0.6rem;
  font-weight: 700;
  font-family: monospace;
  flex-shrink: 0;
}
.html-icon  { background: #e34c26; color: #fff; }
.css-icon   { background: #264de4; color: #fff; }
.wp-icon    { background: #21759b; color: #fff; }
.figma-icon { background: #f24e1e; color: #fff; font-size: 0.7rem; }
.resp-icon  { background: rgba(255,255,255,0.12); color: var(--white); font-size: 0.7rem; }
.skill-soft {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--text-dim);
  background: rgba(255,255,255,0.03);
}

/* ─── SECTION SHARED ─────────────────────────────────────── */
section { padding: 6rem 3rem; }

.section-header {
  max-width: 1200px;
  margin: 0 auto 4rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}
.section-number {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--orange);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.section-title em { color: var(--orange); }
.section-line {
  flex: 1;
  height: 1px;
  background: var(--border);
  margin-bottom: 0.4rem;
}

/* ─── PROJECTS ───────────────────────────────────────────── */
#proyectos { position: relative; }

.projects-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 3rem;
  align-items: start;
}

.projects-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.project-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem 1.75rem;
  background: var(--card-bg);
  cursor: pointer;
  transition: all 0.35s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,75,39,0.05), transparent);
  opacity: 0;
  transition: opacity 0.35s;
}
.project-card:hover::before,
.project-card.active::before { opacity: 1; }
.project-card:hover,
.project-card.active {
  border-color: var(--border-orange);
  background: var(--card-hover);
  transform: translateX(6px);
}
.project-card.active { border-left: 3px solid var(--orange); }

.project-card-logo {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.05em;
}
.project-card-logo.puna    { background: linear-gradient(135deg, #1a3a2a, #2d6a4f); color: #74c69d; }
.project-card-logo.tepito  { background: linear-gradient(135deg, #2a1a0a, #8b4513); color: #f4a261; }
/* Fin de curso logo */
.project-card-logo.fincurso { background: linear-gradient(135deg, #1a1a3a, #3a2d6a); color: #a78bfa; }

.project-card-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}
.project-card-meta {
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-arrow {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%) translateX(-8px);
  color: var(--orange);
  opacity: 0;
  transition: all 0.3s;
  font-size: 1.2rem;
}
.project-card:hover .project-arrow,
.project-card.active .project-arrow {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* Project preview panel */
.project-preview {
  position: sticky;
  top: 7rem;
}
.preview-video-wrapper {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(0,0,0,0.3);
  aspect-ratio: 16/9;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
}
.preview-placeholder {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  transition: all 0.5s var(--ease-out);
}
.preview-placeholder-icon {
  width: 64px; height: 64px;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all 0.3s;
}
.preview-placeholder:hover .preview-placeholder-icon {
  border-color: var(--orange);
  background: rgba(255,75,39,0.1);
}
.preview-placeholder-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}
.preview-content {
  display: none;
  opacity: 0;
  transition: opacity 0.4s;
}
.preview-content.active {
  display: block;
  opacity: 1;
}
.preview-project-name {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}
.preview-description {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-mid);
  margin-bottom: 1.5rem;
}
.preview-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.preview-keyword {
  padding: 0.3rem 0.85rem;
  background: rgba(255,75,39,0.12);
  border: 1px solid rgba(255,75,39,0.25);
  border-radius: 999px;
  font-size: 0.75rem;
  color: rgba(255,75,39,0.9);
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* ─── TIMELINE / TRAYECTORIA ─────────────────────────────── */
#trayectoria { position: relative; }

.timeline-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  padding-left: 2rem;
}
/* Vertical connecting line */
.timeline-inner::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border), var(--border), transparent);
}
.timeline-item {
  position: relative;
  padding: 0 0 3rem 3rem;
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.6s var(--ease-out);
}
.timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
}
/* Dot on the line */
.timeline-item::before {
  content: '';
  position: absolute;
  left: -4px; top: 6px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--navy);
  border: 2px solid var(--border);
  transition: border-color 0.3s, background 0.3s;
}
.timeline-item:hover::before,
.timeline-item.current::before {
  border-color: var(--orange);
  background: var(--orange);
}
.timeline-period {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  font-weight: 500;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.timeline-period .current-badge {
  background: rgba(255,75,39,0.15);
  border: 1px solid rgba(255,75,39,0.3);
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
  font-size: 0.65rem;
  color: var(--orange);
}
.timeline-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  transition: all 0.3s var(--ease-out);
}
.timeline-card:hover {
  background: var(--card-hover);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.timeline-role {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.2rem;
}
.timeline-company {
  font-size: 0.82rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.timeline-desc {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.7;
}
.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}
.timeline-tag {
  padding: 0.2rem 0.7rem;
  background: rgba(255,255,255,0.05);
  border-radius: 999px;
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* ─── FORMACIÓN ──────────────────────────────────────────── */
.formacion-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.formacion-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}
.edu-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.edu-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--orange), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}
.edu-card:hover {
  background: var(--card-hover);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-4px);
}
.edu-card:hover::after { transform: scaleX(1); }
.edu-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: rgba(255,75,39,0.12);
  border: 1px solid rgba(255,75,39,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}
.edu-degree {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}
.edu-institution {
  font-size: 0.8rem;
  color: var(--orange);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.edu-period {
  font-size: 0.78rem;
  color: var(--text-dim);
}
.edu-desc {
  font-size: 0.85rem;
  color: var(--text-mid);
  line-height: 1.6;
  margin-top: 0.75rem;
}

/* Courses */
.courses-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.courses-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.course-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: all 0.3s var(--ease-out);
}
.course-card:hover {
  background: var(--card-hover);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-3px);
}
.course-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
/* Course icon color variants */
.course-icon-google  { background: rgba(66,133,244,0.12);  border: 1px solid rgba(66,133,244,0.2); }
.course-icon-ads     { background: rgba(255,75,39,0.12);   border: 1px solid rgba(255,75,39,0.2); }
.course-icon-seo     { background: rgba(0,119,181,0.12);   border: 1px solid rgba(0,119,181,0.2); }
.course-icon-photo   { background: rgba(120,60,190,0.12);  border: 1px solid rgba(120,60,190,0.2); }
.course-icon-geo     { background: rgba(0,180,80,0.12);    border: 1px solid rgba(0,180,80,0.2); }
.course-icon-copy    { background: rgba(255,165,0,0.12);   border: 1px solid rgba(255,165,0,0.2); }

.course-info { flex: 1; }
.course-name {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.2rem;
  line-height: 1.3;
}
.course-platform {
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

/* ─── CONTACTO ───────────────────────────────────────────── */
#contacto { position: relative; }

.contact-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
  position: relative;
  z-index: 1;
}
.contact-tagline {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}
.contact-tagline strong { font-weight: 700; display: block; }
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}
.contact-info-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-mid);
  font-size: 0.88rem;
  text-decoration: none;
  transition: color 0.3s;
}
.contact-info-item:hover { color: var(--white); }
.contact-info-icon {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: border-color 0.3s, background 0.3s;
}
.contact-info-item:hover .contact-info-icon {
  border-color: var(--orange);
  background: rgba(255,75,39,0.08);
}
.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--orange);
  color: var(--white);
  border: none;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.btn-download::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  transform: translateX(-100%);
  transition: transform 0.4s var(--ease-out);
}
.btn-download:hover::before { transform: translateX(0); }
.btn-download:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(255,75,39,0.4);
}

/* Contact form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 500;
}
.form-input,
.form-textarea {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
  outline: none;
  width: 100%;
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-dim); }
.form-input:focus,
.form-textarea:focus {
  border-color: var(--orange);
  background: rgba(255,75,39,0.04);
  box-shadow: 0 0 0 3px rgba(255,75,39,0.1);
}
.form-textarea { resize: vertical; min-height: 130px; }
.form-submit {
  align-self: flex-start;
  margin-top: 0.5rem;
}

/* ─── FOOTER ─────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
}
.footer-logo span { color: var(--orange); }
.footer-copy {
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}
.footer-socials { display: flex; gap: 1rem; }
.footer-social-link {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s;
}
.footer-social-link:hover {
  border-color: var(--orange);
  color: var(--orange);
  background: rgba(255,75,39,0.08);
}

/* ─── SCROLL REVEAL ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.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; }

/* ─── ANIMATIONS ─────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── MOBILE NAV OVERLAY ─────────────────────────────────── */
.mobile-nav {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--navy);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  transition: color 0.3s;
}
.mobile-nav a:hover { color: var(--orange); }

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  nav { padding: 1.25rem 2rem; }
  nav.scrolled { padding: 0.9rem 2rem; }
  .nav-links  { display: none; }
  .nav-toggle { display: flex; }
  #hero { padding: 7rem 2rem 4rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-right { height: 420px; }
  .about-inner { grid-template-columns: 1fr; gap: 2rem; }
  .projects-inner { grid-template-columns: 1fr; }
  .project-preview { position: static; }
  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
  .formacion-grid { grid-template-columns: 1fr; }
  section { padding: 5rem 2rem; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .section-line { display: none; }
}

@media (max-width: 640px) {
  nav { padding: 1rem 1.25rem; }
  #hero { padding: 6rem 1.25rem 3rem; }
  .hero-name { font-size: 1.5rem; }
  .hero-right { height: 320px; }
  footer { padding: 2rem 1.25rem; }
  section { padding: 4rem 1.25rem; }
}