/* ==========================================================================
   DAIRON AGUILAR SANTOS - PROFESSIONAL PORTFOLIO & CV WEB
   Modern High-Tech Cyber-Industrial Aesthetic
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-dark: #070d17;
  --bg-deep: #0a1322;
  --bg-card: #0f1c2e;
  --bg-card-hover: #14263e;
  --bg-card-inner: rgba(10, 20, 35, 0.7);
  
  --line-subtle: rgba(56, 189, 248, 0.12);
  --line-border: #1a3048;
  --line-active: #00e5ff;
  
  --cyan-bright: #00e5ff;
  --cyan-glow: rgba(0, 229, 255, 0.25);
  --cyan-muted: #38bdf8;
  
  --amber-gold: #f59e0b;
  --amber-bright: #fbbf24;
  --amber-glow: rgba(245, 158, 11, 0.25);
  
  --green-online: #10b981;
  --green-glow: rgba(16, 185, 129, 0.35);
  
  --text-primary: #f0f6fc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'DM Mono', monospace;
  --font-display: 'Space Grotesk', var(--font-sans);
  
  /* Dimensions & Transitions */
  --max-width: 1220px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Base Links & Buttons */
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button {
  font-family: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

.icon {
  width: 18px;
  height: 18px;
  vertical-align: middle;
  flex-shrink: 0;
}

/* Skip link for accessibility */
.skip-link {
  position: fixed;
  top: -60px;
  left: 20px;
  background: var(--cyan-bright);
  color: var(--bg-dark);
  padding: 12px 20px;
  font-weight: 700;
  font-family: var(--font-mono);
  z-index: 1000;
  transition: top 0.2s ease;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 20px;
}

/* Toast notifications */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--cyan-bright);
  color: var(--bg-dark);
  padding: 14px 24px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 30px rgba(0, 229, 255, 0.4);
  z-index: 9999;
  transform: translateY(120px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(7, 13, 23, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-border);
  z-index: 100;
  transition: border-color 0.3s ease;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand Logo */
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-radar {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--cyan-bright);
  border-radius: 50%;
  position: relative;
  display: grid;
  place-items: center;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.15) 0%, transparent 70%);
}

.radar-sweep {
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  border-top: 2px solid var(--cyan-bright);
  animation: radar-spin 3.5s linear infinite;
}

@keyframes radar-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.radar-dot {
  width: 7px;
  height: 7px;
  background: var(--amber-gold);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--amber-gold);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  line-height: 1.1;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--cyan-bright);
  letter-spacing: 0.1em;
}

/* Main Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background: var(--cyan-bright);
  transition: width 0.25s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--cyan-bright);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-toggle-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 12px;
  border: 1px solid var(--line-border);
  background: var(--bg-card);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  transition: var(--transition);
}

.lang-toggle-btn:hover {
  border-color: var(--cyan-bright);
  color: var(--text-primary);
}

.lang-toggle-btn .lang-active {
  color: var(--cyan-bright);
  font-weight: 700;
}

.lang-divider {
  color: var(--text-muted);
  opacity: 0.5;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid var(--cyan-bright);
  color: var(--cyan-bright);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.header-cta:hover {
  background: var(--cyan-bright);
  color: var(--bg-dark);
  box-shadow: 0 0 16px var(--cyan-glow);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* Mobile Nav Drawer */
.mobile-nav {
  display: none;
  border-top: 1px solid var(--line-border);
  background: var(--bg-dark);
  padding: 20px 28px 28px;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav-links a {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-nav-links a:hover {
  color: var(--cyan-bright);
}

.mobile-cta-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

/* ==========================================================================
   Buttons & Generic Components
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--cyan-bright);
  color: #030a12;
  border: 1px solid var(--cyan-bright);
  box-shadow: 0 4px 18px var(--cyan-glow);
}

.btn-primary:hover {
  background: #62ebff;
  border-color: #62ebff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--cyan-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--line-border);
}

.btn-outline:hover {
  border-color: var(--cyan-bright);
  color: var(--cyan-bright);
  background: rgba(0, 229, 255, 0.06);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: calc(100vh - 76px);
  padding: 70px 0 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  background: radial-gradient(circle at 80% 20%, rgba(0, 229, 255, 0.06) 0%, transparent 50%),
              radial-gradient(circle at 20% 70%, rgba(245, 158, 11, 0.04) 0%, transparent 50%);
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(56, 189, 248, 0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 40%, transparent 95%);
  -webkit-mask-image: linear-gradient(to bottom, black 40%, transparent 95%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 2;
  margin-bottom: 60px;
}

/* Status Availability Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: #6ee7b7;
  letter-spacing: 0.04em;
  margin-bottom: 22px;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  background: var(--green-online);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--green-online);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Hero Title & Text */
.hero-title {
  margin-bottom: 20px;
}

.hero-name {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.2vw, 4.4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  background: linear-gradient(135deg, #ffffff 40%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-tagline {
  display: block;
  font-family: var(--font-sans);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 600;
  color: var(--cyan-bright);
  margin-top: 10px;
  line-height: 1.3;
}

.hero-specialties {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.tech-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 5px 11px;
  background: rgba(15, 28, 46, 0.9);
  border: 1px solid var(--line-border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}

.hero-bio {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 32px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

/* Quick contact info strip */
.quick-contact-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--line-border);
}

.qc-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.qc-item:hover {
  color: var(--cyan-bright);
}

.qc-item .icon {
  color: var(--cyan-bright);
}

.qc-location {
  color: var(--amber-bright);
}
.qc-location .icon {
  color: var(--amber-bright);
}

/* Hero Profile Card */
.hero-aside {
  display: flex;
  justify-content: center;
}

.profile-card {
  width: 100%;
  max-width: 390px;
  background: linear-gradient(160deg, #0d1b2d 0%, #08111e 100%);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  position: relative;
}

.profile-img-container {
  position: relative;
  aspect-ratio: 4 / 4.8;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #040911;
  border: 1px solid rgba(0, 229, 255, 0.2);
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  filter: contrast(1.04) saturate(0.95);
  transition: transform 0.4s ease, filter 0.4s ease;
}

.profile-card:hover .profile-photo {
  transform: scale(1.03);
  filter: contrast(1.06) saturate(1.05);
}

.profile-overlay-hud {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  justify-content: flex-end;
  pointer-events: none;
  z-index: 2;
}

.hud-tag, .hud-status {
  background: rgba(7, 13, 23, 0.85);
  backdrop-filter: blur(6px);
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  border-radius: 2px;
}

.hud-tag {
  color: var(--cyan-bright);
  border-left: 2px solid var(--cyan-bright);
}

.hud-status {
  color: var(--green-online);
}

/* Corner Reticles for tactical sci-fi aesthetic */
.corner-reticle {
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--cyan-bright);
  pointer-events: none;
  z-index: 3;
}

.corner-reticle.top-left { top: 8px; left: 8px; border-top: 2px solid; border-left: 2px solid; }
.corner-reticle.top-right { top: 8px; right: 8px; border-top: 2px solid; border-right: 2px solid; }
.corner-reticle.bottom-left { bottom: 8px; left: 8px; border-bottom: 2px solid; border-left: 2px solid; }
.corner-reticle.bottom-right { bottom: 8px; right: 8px; border-bottom: 2px solid; border-right: 2px solid; }

.profile-meta-grid {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  border-top: 1px solid var(--line-border);
  padding-top: 14px;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}

.meta-label {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.meta-val {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.82rem;
}

.meta-val.text-accent {
  color: var(--amber-bright);
}

.profile-channels {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-top: 18px;
}

.channel-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 6px;
  background: var(--bg-deep);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.channel-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--cyan-bright);
  color: var(--cyan-bright);
}

.channel-btn.whatsapp:hover {
  border-color: #25d366;
  color: #25d366;
}

.channel-btn.linkedin:hover {
  border-color: #0077b5;
  color: #38bdf8;
}

/* Key Stats Strip */
.hero-stats-strip {
  width: 100%;
  background: var(--bg-deep);
  border-top: 1px solid var(--line-border);
  border-bottom: 1px solid var(--line-border);
  padding: 24px 0;
  position: relative;
  z-index: 2;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-right: 1px solid var(--line-border);
  padding-right: 20px;
}

.stat-card:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--cyan-bright);
  line-height: 1;
}

.stat-title {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-countries-pill {
  white-space: nowrap;
  display: inline-block;
  color: var(--cyan-muted);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   Section Components & Headers
   ========================================================================== */
.section {
  padding: 100px 0;
  border-bottom: 1px solid var(--line-border);
}

.section-header {
  margin-bottom: 54px;
}

.section-pretitle {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber-gold);
  background: rgba(245, 158, 11, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cyan-bright);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 700px;
  margin-top: 14px;
}

/* ==========================================================================
   01 / About & Executive Summary
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 40px;
  align-items: start;
}

.about-text-card {
  background: var(--bg-card);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 36px;
}

.about-text-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cyan-bright);
  margin-bottom: 18px;
}

.about-text-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 16px;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.highlight-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.92rem;
  color: var(--text-primary);
}

.highlight-check {
  color: var(--cyan-bright);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.2;
}

.about-details-card {
  background: var(--bg-deep);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 30px;
}

.card-hud-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan-bright);
  letter-spacing: 0.08em;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-border);
  margin-bottom: 24px;
}

.dot-live {
  width: 6px;
  height: 6px;
  background: var(--cyan-bright);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--cyan-bright);
}

.attribute-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.attr-box {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.attr-icon {
  font-size: 1.4rem;
  padding: 8px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-border);
  flex-shrink: 0;
}

.attr-box h4 {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.attr-box p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   02 / Technical Competencies (Skills Grid)
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.skill-category-card {
  background: var(--bg-card);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.skill-category-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 229, 255, 0.3);
  transform: translateY(-3px);
}

.cat-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.cat-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan-bright);
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.25);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.cat-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.cat-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 22px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 6px 12px;
  background: var(--bg-deep);
  border: 1px solid var(--line-border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
}

.tag-highlight {
  border-color: rgba(0, 229, 255, 0.4);
  background: rgba(0, 229, 255, 0.08);
  color: var(--cyan-bright);
  font-weight: 500;
}

.tech-marquee-container {
  margin-top: 48px;
  background: var(--bg-deep);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 24px 30px;
}

.marquee-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber-gold);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  text-align: center;
}

.tech-tags-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.tech-tags-bar span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--line-border);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   03 / Professional Experience Timeline
   ========================================================================== */
.timeline-container {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.timeline-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 36px;
  background: var(--bg-card);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 34px;
  transition: var(--transition);
  position: relative;
}

.timeline-card:hover {
  border-color: rgba(0, 229, 255, 0.25);
  background: var(--bg-card-hover);
}

.timeline-card.active-job {
  border-left: 4px solid var(--cyan-bright);
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.04) 0%, var(--bg-card) 100%);
}

.timeline-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-right: 1px solid var(--line-border);
  padding-right: 24px;
}

.job-period {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--cyan-bright);
  letter-spacing: 0.04em;
}

.job-status-tag {
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 3px 8px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid var(--green-online);
  color: #6ee7b7;
  border-radius: var(--radius-sm);
  width: fit-content;
}

.job-promo-tag {
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 3px 8px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--amber-gold);
  color: var(--amber-bright);
  border-radius: var(--radius-sm);
  width: fit-content;
}

.job-location {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
}

.timeline-body {
  display: flex;
  flex-direction: column;
}

.job-role-header h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
}

.company-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--cyan-bright);
  margin-top: 4px;
}

.promotion-note {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-top: 8px;
  font-style: italic;
}

.job-duties {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 18px;
}

.job-duties li {
  position: relative;
  padding-left: 20px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

.job-duties li::before {
  content: '▸';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--cyan-bright);
  font-size: 0.95rem;
}

.sub-role {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px dashed var(--line-border);
}

.sub-role-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sub-role-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-border);
  color: var(--amber-gold);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.sub-role h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.job-skills-used {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.job-skills-used span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  background: rgba(0, 229, 255, 0.06);
  border: 1px solid rgba(0, 229, 255, 0.15);
  color: var(--cyan-muted);
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   04 / Projects Showcase
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.project-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 229, 255, 0.3);
  transform: translateY(-3px);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.project-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber-gold);
}

.project-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.25);
  color: var(--cyan-bright);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.project-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.project-sub {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan-muted);
  margin-top: 4px;
  margin-bottom: 14px;
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.65;
  margin-bottom: 22px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.project-tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  background: var(--bg-deep);
  border: 1px solid var(--line-border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   05 / Credentials, Degree & Certifications
   ========================================================================== */
.education-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.degree-card-feature {
  background: linear-gradient(145deg, #0c2138 0%, #061220 100%);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: var(--radius-md);
  padding: 36px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 229, 255, 0.06);
}

.degree-badge {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--cyan-bright);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.degree-card-feature h3 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.25;
  color: #ffffff;
  margin-bottom: 8px;
}

.degree-institution {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--amber-bright);
}

.degree-location {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
  margin-bottom: 18px;
}

.degree-summary {
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.65;
  margin-bottom: 24px;
}

.degree-year-tag {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 700;
  color: rgba(0, 229, 255, 0.15);
  margin-top: auto;
  align-self: flex-end;
}

.certifications-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cert-item {
  background: var(--bg-card);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: var(--transition);
}

.cert-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--cyan-bright);
}

.cert-icon-box {
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  background: var(--bg-deep);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border: 1px solid var(--line-border);
}

.cert-info {
  flex-grow: 1;
}

.cert-info h4 {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.cert-info p {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--amber-gold);
  margin-top: 2px;
}

.cert-desc {
  display: block;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.cert-year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cyan-bright);
  padding-left: 10px;
}

/* Readiness & Languages Grid */
.readiness-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.readiness-card {
  background: var(--bg-deep);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.r-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}

.readiness-card h4 {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--cyan-bright);
  margin-bottom: 4px;
}

.readiness-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   06 / Contact & CTA Hub
   ========================================================================== */
.contact-section {
  background: linear-gradient(180deg, var(--bg-dark) 0%, #050b13 100%);
  border-bottom: none;
}

.contact-box {
  background: linear-gradient(135deg, #0f2136 0%, #091523 100%);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.contact-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-bright), var(--amber-gold), var(--cyan-bright));
}

.contact-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 46px;
}

.contact-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--amber-bright);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.contact-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 14px;
}

.contact-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto 40px;
}

.contact-card {
  background: rgba(8, 17, 28, 0.8);
  border: 1px solid var(--line-border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.contact-card:hover {
  background: #112338;
  border-color: var(--cyan-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.15);
}

.cc-icon {
  width: 46px;
  height: 46px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--cyan-bright);
  flex-shrink: 0;
}

.cc-icon svg {
  width: 22px;
  height: 22px;
}

.cc-info {
  flex-grow: 1;
}

.cc-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
}

.cc-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: block;
}

.cc-arrow {
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.contact-card:hover .cc-arrow {
  color: var(--cyan-bright);
  transform: translate(3px, -3px);
}

.contact-footer-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  padding-top: 32px;
  border-top: 1px solid var(--line-border);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #040911;
  border-top: 1px solid var(--line-border);
  padding: 34px 0;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
  color: var(--text-primary);
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.footer-tags {
  display: flex;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .hero-aside {
    justify-content: flex-start;
  }
  
  .profile-card {
    max-width: 100%;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
    align-items: center;
  }
  
  .profile-meta-grid {
    margin-top: 0;
    border-top: none;
    padding-top: 0;
  }
  
  .profile-channels {
    grid-column: 1 / -1;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 24px;
  }
  
  .stat-card:nth-child(2) {
    border-right: none;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .education-grid {
    grid-template-columns: 1fr;
  }
  
  .readiness-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-methods {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .main-nav {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .timeline-card {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  
  .timeline-meta {
    border-right: none;
    border-bottom: 1px solid var(--line-border);
    padding-right: 0;
    padding-bottom: 16px;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }
}

@media (max-width: 640px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
  
  .header-inner {
    padding: 0 18px;
  }
  
  .hero-section {
    padding-top: 36px;
  }
  
  .hero-name {
    font-size: 2.5rem;
  }
  
  .profile-card {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-card {
    border-right: none;
    border-bottom: 1px solid var(--line-border);
    padding-bottom: 16px;
  }
  
  .stat-card:last-child {
    border-bottom: none;
  }
  
  .about-text-card, .about-details-card, .skill-category-card, .timeline-card, .project-card, .degree-card-feature, .contact-box {
    padding: 22px 18px;
  }
  
  .hero-cta-group {
    flex-direction: column;
  }
  
  .hero-cta-group .btn {
    width: 100%;
  }
  
  .contact-footer-bar {
    flex-direction: column;
  }
  
  .contact-footer-bar .btn {
    width: 100%;
  }
  
  .footer-container {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ==========================================================================
   Print Optimization (@media print)
   ========================================================================== */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 11pt;
  }
  
  .site-header, .header-actions, .menu-toggle, .hero-bg-grid, .hero-glow, 
  .hero-cta-group, .profile-channels, .contact-footer-bar, .toast, .brand-radar {
    display: none !important;
  }
  
  .hero-section, .section {
    padding: 15px 0 !important;
    border: none !important;
  }
  
  .about-text-card, .about-details-card, .skill-category-card, .timeline-card, 
  .project-card, .degree-card-feature, .cert-item, .contact-card, .contact-box {
    background: #ffffff !important;
    border: 1px solid #cccccc !important;
    color: #000000 !important;
    box-shadow: none !important;
    break-inside: avoid;
  }
  
  .hero-name, .section-title, .job-role-header h3, .cat-header h3, .project-card h3, .degree-card-feature h3 {
    color: #000000 !important;
    -webkit-text-fill-color: #000000 !important;
  }
  
  .tag, .tech-pill, .job-skills-used span, .project-tags span {
    background: #f0f0f0 !important;
    color: #222222 !important;
    border: 1px solid #dddddd !important;
  }
  
  a {
    color: #000000 !important;
    text-decoration: underline !important;
  }
}