/* =========================================
   NICOLÁS HELLMAN — PORTFOLIO CSS
   Premium Dark Theme
   ========================================= */

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

:root {
  --bg-deep:       #070b14;
  --bg-card:       #0d1525;
  --bg-card2:      #101828;
  --bg-glass:      rgba(13, 21, 37, 0.7);
  --border:        rgba(99, 179, 237, 0.12);
  --border-hover:  rgba(99, 179, 237, 0.35);

  --accent-cyan:   #00d4ff;
  --accent-blue:   #4f8ef7;
  --accent-purple: #8b5cf6;
  --accent-grad:   linear-gradient(135deg, #00d4ff 0%, #4f8ef7 50%, #8b5cf6 100%);

  --text-primary:  #f0f6ff;
  --text-secondary:#94a3b8;
  --text-muted:    #4b5e7c;

  --font-main: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-card: 0 4px 24px rgba(0, 212, 255, 0.06), 0 1px 4px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.18);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --max-w: 1200px;
}

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

/* ---- GLOBAL THEME TRANSITION ---- */
*, *::before, *::after {
  transition: background-color 0.4s ease, color 0.4s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
/* Exceptions: no transition on transforms/sizes */
.btn, .project-card, .service-card, .skills-cat, .contact-channel, .social-btn, .tech-pill, .nav-link, .float-card {
  transition: var(--transition);
}

/* =====================================
   LIGHT MODE VARIABLES
   ===================================== */
[data-theme="light"] {
  --bg-deep:       #f0f4f8;
  --bg-card:       #ffffff;
  --bg-card2:      #f8fafc;
  --bg-glass:      rgba(255, 255, 255, 0.85);
  --border:        rgba(14, 63, 120, 0.1);
  --border-hover:  rgba(14, 63, 120, 0.28);

  --accent-cyan:   #0077cc;
  --accent-blue:   #3b5bdb;
  --accent-purple: #7048e8;
  --accent-grad:   linear-gradient(135deg, #0077cc 0%, #3b5bdb 50%, #7048e8 100%);

  --text-primary:  #0f1c2e;
  --text-secondary:#374151;
  --text-muted:    #6b7280;

  --shadow-card: 0 4px 24px rgba(14, 63, 120, 0.09), 0 1px 4px rgba(0,0,0,0.06);
  --shadow-glow: 0 0 40px rgba(0, 119, 204, 0.14);
}

/* Light mode specifics */
[data-theme="light"] body {
  background-color: #f0f4f8;
}
[data-theme="light"] #navbar.scrolled {
  background: rgba(240, 244, 248, 0.92);
  box-shadow: 0 1px 0 rgba(14,63,120,0.1), 0 4px 24px rgba(0,0,0,0.07);
}
[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(0, 119, 204, 0.3); }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: rgba(0, 119, 204, 0.6); }
[data-theme="light"] ::selection { background: rgba(0, 119, 204, 0.18); }
[data-theme="light"] #cursor-dot { background: var(--accent-blue); }
[data-theme="light"] #cursor-glow { border-color: rgba(59, 91, 219, 0.35); }

[data-theme="light"] .avatar-core {
  background: linear-gradient(135deg, rgba(0,119,204,0.12), rgba(59,91,219,0.08));
  border-color: rgba(0,119,204,0.3);
  box-shadow: 0 0 40px rgba(0,119,204,0.1);
}
[data-theme="light"] .avatar-badge {
  box-shadow: 0 0 16px rgba(0,119,204,0.35);
}
[data-theme="light"] .ring-1 { border-color: rgba(0,119,204,0.15); }
[data-theme="light"] .ring-2 { border-color: rgba(59,91,219,0.12); }
[data-theme="light"] .ring-3 { border-color: rgba(112,72,232,0.1); }

[data-theme="light"] .float-card {
  background: rgba(255,255,255,0.9);
  border-color: rgba(14,63,120,0.12);
  box-shadow: 0 4px 16px rgba(14,63,120,0.08);
}
[data-theme="light"] .float-card i { color: var(--accent-blue); }

[data-theme="light"] .project-card {
  box-shadow: 0 2px 16px rgba(14,63,120,0.07);
}
[data-theme="light"] .project-card:hover {
  box-shadow: 0 8px 40px rgba(14,63,120,0.13);
}
[data-theme="light"] .card-featured {
  background: linear-gradient(135deg, rgba(0,119,204,0.05) 0%, rgba(59,91,219,0.03) 50%, rgba(112,72,232,0.05) 100%);
  border-color: rgba(0,119,204,0.2);
}
[data-theme="light"] .project-icon-wrap {
  background: rgba(0,119,204,0.1);
  border-color: rgba(0,119,204,0.2);
  color: var(--accent-blue);
}
[data-theme="light"] .feature i { color: var(--accent-blue); }
[data-theme="light"] .stack-badge {
  background: rgba(240,244,248,0.9);
  border-color: rgba(14,63,120,0.12);
}

[data-theme="light"] .cat-icon { background: rgba(0,119,204,0.1); color: var(--accent-blue); }
[data-theme="light"] .skill-item > i { color: var(--accent-blue); }
[data-theme="light"] .skill-bar { background: rgba(14,63,120,0.08); }

[data-theme="light"] .tech-pill {
  background: rgba(0,119,204,0.05);
  border-color: rgba(14,63,120,0.12);
}
[data-theme="light"] .tech-pill:hover {
  background: rgba(0,119,204,0.1);
  border-color: rgba(0,119,204,0.3);
  color: var(--accent-blue);
}

[data-theme="light"] .service-icon {
  background: rgba(0,119,204,0.1);
  border-color: rgba(0,119,204,0.2);
  color: var(--accent-blue);
}
[data-theme="light"] .service-card:hover .service-icon {
  background: rgba(0,119,204,0.16);
  box-shadow: 0 0 24px rgba(0,119,204,0.15);
}

[data-theme="light"] .channel-icon {
  background: rgba(0,119,204,0.1);
  color: var(--accent-blue);
}
[data-theme="light"] .contact-channel:hover {
  background: rgba(0,119,204,0.04);
}
[data-theme="light"] .channel-arrow { color: var(--text-muted); }
[data-theme="light"] .contact-channel:hover .channel-arrow { color: var(--accent-blue); }

[data-theme="light"] .location-badge {
  background: rgba(52,211,153,0.07);
  border-color: rgba(52,211,153,0.2);
}

[data-theme="light"] .form-input {
  background-color: #fff;
  border-color: rgba(14,63,120,0.14);
  color: var(--text-primary);
}
[data-theme="light"] .form-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59,91,219,0.1);
}
[data-theme="light"] .form-select {
  background-color: #fff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23374151' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}
[data-theme="light"] .form-select option { background: #fff; color: #0f1c2e; }

[data-theme="light"] .footer {
  background: #e4eaf2;
  border-top-color: rgba(14,63,120,0.12);
}
[data-theme="light"] .footer-content { border-bottom-color: rgba(14,63,120,0.1); }
[data-theme="light"] .social-btn {
  background: #fff;
  border-color: rgba(14,63,120,0.12);
}
[data-theme="light"] .social-btn:hover {
  background: rgba(0,119,204,0.08);
  border-color: rgba(0,119,204,0.3);
  color: var(--accent-blue);
}
[data-theme="light"] .card-glow {
  background: radial-gradient(circle, rgba(0,119,204,0.06) 0%, transparent 70%);
}
[data-theme="light"] .scroll-line {
  background: linear-gradient(to bottom, var(--accent-blue), transparent);
}
[data-theme="light"] .badge-dot { box-shadow: 0 0 8px var(--accent-blue); }
[data-theme="light"] .hero-badge {
  background: rgba(0,119,204,0.08);
  border-color: rgba(0,119,204,0.25);
}
[data-theme="light"] .btn-primary {
  box-shadow: 0 0 24px rgba(0, 119, 204, 0.25);
}
[data-theme="light"] .btn-primary:hover {
  box-shadow: 0 0 40px rgba(0, 119, 204, 0.38);
}
[data-theme="light"] .about {
  background: linear-gradient(180deg, #f0f4f8 0%, #e8eef6 100%);
}
[data-theme="light"] .projects {
  background: linear-gradient(180deg, #e8eef6 0%, #edf2f9 100%);
}
[data-theme="light"] .skills {
  background: linear-gradient(180deg, #edf2f9 0%, #e8eef6 100%);
}
[data-theme="light"] .services {
  background: linear-gradient(180deg, #e8eef6 0%, #f0f4f8 100%);
}
[data-theme="light"] .contact {
  background: linear-gradient(180deg, #f0f4f8 0%, #eaeff7 100%);
}

/* Light tag overrides */
[data-theme="light"] .tag {
  background: rgba(14,63,120,0.06);
  border-color: rgba(14,63,120,0.15);
  color: var(--text-secondary);
}
[data-theme="light"] .tag-featured { background: rgba(0,119,204,0.1); border-color: rgba(0,119,204,0.3); color: var(--accent-blue); }
[data-theme="light"] .tag-erp { background: rgba(59,91,219,0.1); border-color: rgba(59,91,219,0.3); color: #3b5bdb; }
[data-theme="light"] .tag-rpa { background: rgba(112,72,232,0.1); border-color: rgba(112,72,232,0.3); color: #7048e8; }
[data-theme="light"] .tag-gov { background: rgba(52,211,153,0.08); border-color: rgba(52,211,153,0.25); color: #059669; }


body {
  font-family: var(--font-main);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}

::selection { background: rgba(0, 212, 255, 0.25); color: var(--text-primary); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: rgba(0,212,255,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,212,255,0.6); }

/* ---- CUSTOM CURSOR ---- */
#cursor-dot, #cursor-glow {
  pointer-events: none;
  position: fixed;
  border-radius: 50%;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
}
#cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  top: 0; left: 0;
  transition: transform 0.08s ease, top 0.08s ease, left 0.08s ease;
}
#cursor-glow {
  width: 40px;
  height: 40px;
  border: 1.5px solid rgba(0, 212, 255, 0.35);
  background: transparent;
  top: 0; left: 0;
  transition: transform 0.2s ease, top 0.2s ease, left 0.2s ease, width 0.3s, height 0.3s;
}
body:has(a:hover) #cursor-glow,
body:has(button:hover) #cursor-glow {
  width: 56px;
  height: 56px;
  border-color: rgba(0, 212, 255, 0.6);
  background: rgba(0, 212, 255, 0.05);
}

/* ---- CONTAINER ---- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ---- NAVBAR ---- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.3s ease;
}
#navbar.scrolled {
  background: rgba(7, 11, 20, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border), 0 4px 24px rgba(0,0,0,0.4);
  padding: 0;
}
.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.4rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: padding 0.3s;
}
#navbar.scrolled .nav-container { padding: 1rem 2rem; }

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: var(--transition);
}
.logo-bracket {
  color: var(--accent-cyan);
  font-weight: 400;
}
.nav-logo:hover { color: var(--accent-cyan); }

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  align-items: center;
}
.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  width: 0; height: 2px;
  background: var(--accent-grad);
  border-radius: 1px;
  transform: translateX(-50%);
  transition: width 0.3s ease;
}
.nav-link:hover { color: var(--text-primary); }
.nav-link.active { color: var(--accent-cyan); }
.nav-link.active::after, .nav-link:hover::after { width: calc(100% - 2rem); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- NAV RIGHT & THEME TOGGLE ---- */
.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 99px;
  padding: 0.35rem 0.75rem 0.35rem 0.45rem;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-secondary);
}
.theme-toggle:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: rgba(0,212,255,0.06);
}
[data-theme="light"] .theme-toggle:hover {
  background: rgba(0,119,204,0.06);
}

.theme-toggle-track {
  width: 44px;
  height: 24px;
  background: rgba(0,212,255,0.12);
  border-radius: 99px;
  position: relative;
  border: 1px solid rgba(0,212,255,0.25);
  transition: background 0.4s ease, border-color 0.4s ease;
  flex-shrink: 0;
}
[data-theme="light"] .theme-toggle-track {
  background: rgba(59,91,219,0.12);
  border-color: rgba(59,91,219,0.25);
}

.theme-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
  box-shadow: 0 2px 8px rgba(0,212,255,0.35);
  overflow: hidden;
}
[data-theme="light"] .theme-toggle-thumb {
  transform: translateX(20px);
  box-shadow: 0 2px 8px rgba(59,91,219,0.35);
}

.icon-dark, .icon-light {
  position: absolute;
  font-style: normal;
  transition: opacity 0.3s ease, transform 0.3s ease;
  line-height: 1;
}
.icon-dark  { opacity: 1;  transform: scale(1); }
.icon-light { opacity: 0;  transform: scale(0.5); }
[data-theme="light"] .icon-dark  { opacity: 0;  transform: scale(0.5); }
[data-theme="light"] .icon-light { opacity: 1;  transform: scale(1); }

.theme-toggle-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
  background: rgba(255,255,255,0.08);
}
.btn:hover::before { opacity: 1; }
.btn-primary {
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 40px rgba(0, 212, 255, 0.45); }
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-hover);
}
.btn-secondary:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); transform: translateY(-2px); }
.btn-full { width: 100%; justify-content: center; }

/* ---- SECTION BASE ---- */
.section {
  padding: 7rem 0;
  position: relative;
}
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  letter-spacing: 0.1em;
  display: inline-block;
  margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
}

/* ==============================
   HERO
   ============================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 8rem 2rem 4rem;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 99px;
  padding: 0.4rem 1.1rem;
  font-size: 0.82rem;
  color: var(--accent-cyan);
  font-weight: 500;
  letter-spacing: 0.03em;
  margin-bottom: 2rem;
  animation: fadeInDown 0.8s ease both;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 1.75rem;
  animation: fadeInUp 0.9s ease 0.2s both;
}
.hero-greeting {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hero-name {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-role {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.typed-text { color: var(--accent-cyan); }
.cursor-blink {
  color: var(--accent-cyan);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.12rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  animation: fadeInUp 0.9s ease 0.4s both;
}
.hero-desc strong { color: var(--text-primary); }

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
  animation: fadeInUp 0.9s ease 0.6s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  animation: fadeInUp 0.9s ease 0.8s both;
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; letter-spacing: 0.04em; text-transform: uppercase; }
.stat-divider { width: 1px; height: 40px; background: var(--border); flex-shrink: 0; }

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: fadeInUp 1s ease 1.2s both;
  z-index: 2;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-cyan), transparent);
  animation: scrollLine 2s ease infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ==============================
   ABOUT
   ============================== */
.about {
  background: linear-gradient(180deg, var(--bg-deep) 0%, #080d1a 100%);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: center;
}
.about-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 400px;
}
.avatar-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.avatar-core {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(79,142,247,0.1));
  border: 2px solid rgba(0,212,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 40px rgba(0,212,255,0.15);
}
.avatar-initials {
  font-size: 3rem;
  font-weight: 900;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: var(--font-mono);
}
.avatar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,212,255,0.1);
}
.ring-1 { width: 200px; height: 200px; animation: rotate 20s linear infinite; border-color: rgba(0,212,255,0.15); }
.ring-2 { width: 260px; height: 260px; animation: rotate 30s linear infinite reverse; border-color: rgba(79,142,247,0.12); }
.ring-3 { width: 320px; height: 320px; animation: rotate 40s linear infinite; border-color: rgba(139,92,246,0.1); }
@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.avatar-badge {
  position: absolute;
  bottom: 8px; right: 8px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  z-index: 3;
  box-shadow: 0 0 16px rgba(0,212,255,0.4);
}

.floating-cards {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.float-card {
  position: absolute;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
  backdrop-filter: blur(10px);
  white-space: nowrap;
  animation: float 6s ease-in-out infinite;
}
.float-card i { font-size: 1rem; color: var(--accent-cyan); }
.fc-1 { top: 10%; left: -10%; animation-delay: 0s; }
.fc-2 { bottom: 20%; left: -15%; animation-delay: 2s; }
.fc-3 { top: 15%; right: -10%; animation-delay: 4s; }
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.about-text {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.85;
  margin-bottom: 1.25rem;
}
.about-text strong { color: var(--text-primary); font-weight: 600; }

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.75rem 0;
}
.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}
.highlight-item i {
  color: var(--accent-cyan);
  font-size: 0.9rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

/* ==============================
   PROJECTS
   ============================== */
.projects {
  background: linear-gradient(180deg, #080d1a 0%, #07111e 100%);
}
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: default;
}
.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,212,255,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}
.project-card:hover::before { opacity: 1; }
.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), 0 0 40px rgba(0,212,255,0.08);
}

.card-featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(0,212,255,0.06) 0%, rgba(79,142,247,0.04) 50%, rgba(139,92,246,0.06) 100%);
  border-color: rgba(0, 212, 255, 0.2);
}

.card-glow {
  position: absolute;
  top: -80px; right: -80px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.project-icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent-cyan);
  flex-shrink: 0;
}
.project-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.tag {
  font-size: 0.72rem;
  padding: 0.25rem 0.65rem;
  border-radius: 99px;
  background: rgba(99, 179, 237, 0.08);
  border: 1px solid rgba(99, 179, 237, 0.18);
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.03em;
}
.tag-featured { background: rgba(0,212,255,0.12); border-color: rgba(0,212,255,0.35); color: var(--accent-cyan); }
.tag-erp { background: rgba(79,142,247,0.12); border-color: rgba(79,142,247,0.35); color: #7ab4ff; }
.tag-rpa { background: rgba(139,92,246,0.12); border-color: rgba(139,92,246,0.35); color: #b79fff; }
.tag-gov { background: rgba(52,211,153,0.1); border-color: rgba(52,211,153,0.3); color: #6ee7b7; }

.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.card-featured .project-title { font-size: 1.5rem; }

.project-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}
.project-desc strong { color: var(--text-primary); }

.project-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}
.card-featured .project-features { grid-template-columns: repeat(3, 1fr); }
.feature {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}
.feature i { color: var(--accent-cyan); font-size: 0.75rem; margin-top: 0.15rem; flex-shrink: 0; }

.project-stack { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.stack-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(7, 11, 20, 0.8);
  border: 1px solid var(--border);
  color: var(--text-muted);
  letter-spacing: 0.03em;
  transition: var(--transition);
}
.project-card:hover .stack-badge {
  border-color: rgba(0,212,255,0.18);
  color: var(--text-secondary);
}

/* ==============================
   SKILLS
   ============================== */
.skills {
  background: linear-gradient(180deg, #07111e 0%, #080e1c 100%);
}
.skills-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.skills-cat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: var(--transition);
}
.skills-cat:hover { border-color: var(--border-hover); }
.cat-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.cat-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(0,212,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--accent-cyan);
  flex-shrink: 0;
}
.cat-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.skills-list { display: flex; flex-direction: column; gap: 1.1rem; }
.skill-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.skill-item > i { color: var(--accent-cyan); width: 18px; text-align: center; font-size: 1rem; }
.skill-item > span { font-weight: 500; }
.skill-bar {
  grid-column: 1 / -1;
  height: 3px;
  background: rgba(99,179,237,0.1);
  border-radius: 2px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  width: var(--pct);
  background: var(--accent-grad);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.skill-fill.animated { transform: scaleX(1); }

.tech-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}
.tech-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.35rem 0.85rem;
  border-radius: 99px;
  background: rgba(0,212,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  letter-spacing: 0.03em;
  transition: var(--transition);
}
.tech-pill:hover {
  background: rgba(0,212,255,0.1);
  border-color: rgba(0,212,255,0.3);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ==============================
   SERVICES
   ============================== */
.services {
  background: linear-gradient(180deg, #080e1c 0%, #070b14 100%);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-grad);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}
.service-card:hover::after { transform: scaleX(1); }
.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.service-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
  transition: var(--transition);
}
.service-card:hover .service-icon { background: rgba(0,212,255,0.18); box-shadow: 0 0 24px rgba(0,212,255,0.2); }
.service-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.65rem;
  letter-spacing: -0.01em;
}
.service-desc {
  font-size: 0.87rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==============================
   CONTACT
   ============================== */
.contact {
  background: linear-gradient(180deg, #070b14 0%, #050810 100%);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}
.contact-intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}
.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.contact-channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
}
.contact-channel:hover {
  border-color: var(--border-hover);
  background: rgba(0,212,255,0.04);
  transform: translateX(4px);
}
.channel-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0,212,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent-cyan);
  flex-shrink: 0;
}
.channel-info { flex: 1; }
.channel-label { display: block; font-size: 0.75rem; color: var(--text-muted); letter-spacing: 0.05em; text-transform: uppercase; }
.channel-value { font-size: 0.9rem; color: var(--text-primary); font-weight: 500; }
.channel-arrow { color: var(--text-muted); font-size: 0.8rem; transition: var(--transition); }
.contact-channel:hover .channel-arrow { color: var(--accent-cyan); transform: translateX(3px); }

.location-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  background: rgba(52,211,153,0.05);
  border: 1px solid rgba(52,211,153,0.15);
  border-radius: 99px;
}
.location-badge i { color: #34d399; }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-label { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); letter-spacing: 0.02em; }
.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.92rem;
  transition: var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-input:focus { border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(0,212,255,0.1); }
.form-input::placeholder { color: var(--text-muted); }
.form-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }
.form-select option { background: var(--bg-card2); color: var(--text-primary); }
.form-textarea { resize: vertical; min-height: 130px; }
.form-hint { font-size: 0.78rem; color: var(--text-muted); }

.form-feedback {
  padding: 0;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  text-align: center;
  transition: var(--transition);
}
.form-feedback.success {
  padding: 0.75rem;
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.25);
  color: #34d399;
}
.form-feedback.error {
  padding: 0.75rem;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.25);
  color: #f87171;
}

/* ==============================
   FOOTER
   ============================== */
.footer {
  background: #050810;
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
}
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.footer-brand {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}
.footer-brand p { font-family: var(--font-main); font-size: 0.88rem; color: var(--text-secondary); font-weight: 400; margin-top: 0.25rem; }
.footer-sub { color: var(--text-muted) !important; font-size: 0.78rem !important; }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-link { color: var(--text-muted); text-decoration: none; font-size: 0.88rem; transition: var(--transition); }
.footer-link:hover { color: var(--accent-cyan); }
.footer-socials { display: flex; gap: 0.75rem; }
.social-btn {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
}
.social-btn:hover { background: rgba(0,212,255,0.1); border-color: rgba(0,212,255,0.3); color: var(--accent-cyan); transform: translateY(-2px); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ==============================
   ANIMATIONS
   ============================== */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==============================
   RESPONSIVE
   ============================== */
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: 1fr; }
  .card-featured { grid-column: auto; }
  .card-featured .project-features { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { height: 300px; }
  .skills-categories { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(7, 11, 20, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    gap: 1rem;
    transform: translateY(-100%);
    transition: transform 0.4s ease;
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: flex; z-index: 1001; }
  .nav-link { font-size: 1.2rem; }

  .section { padding: 5rem 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.25rem; }
  .stat-divider { height: 30px; }
  .float-card { display: none; }
  .project-features { grid-template-columns: 1fr; }
  .card-featured .project-features { grid-template-columns: 1fr; }
  .footer-content { flex-direction: column; text-align: center; }
  .footer-bottom { justify-content: center; text-align: center; }
  body { cursor: auto; }
  #cursor-dot, #cursor-glow { display: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .btn { padding: 0.65rem 1.25rem; font-size: 0.85rem; }
  .about-visual { height: 220px; }
  .ring-2, .ring-3 { display: none; }
}