/* ================================================================
   VALERIA ALARCÓN ANDRADE — PORTFOLIO CSS
   Ultra Premium · Dark/Light · Fully Responsive
   ================================================================ */

/* --- TOKENS --- */
:root {
  --bg: #030305;
  --bg-alt: #08080a;
  --bg-card: #0a0a0f;
  --bg-card-hover: #12121c;
  --border: rgba(107, 33, 168, 0.25);
  --border-hover: rgba(107, 33, 168, 0.5);
  --text: #e5e5e5;
  --text-muted: #a3a3a3;
  --text-dim: #737373;
  --primary: #6b21a8;
  --primary-light: #9333ea;
  --primary-dark: #4c1d95;
  --accent: #0f766e;
  --accent2: #be185d;
  --success: #064e3b;
  --gradient: linear-gradient(135deg, #6b21a8, #0f766e);
  --gradient-text: linear-gradient(90deg, #9333ea, #0ea5e9, #14b8a6);
  --title-glow: drop-shadow(0 4px 15px rgba(14, 165, 233, 0.35));
  --neon-border: 0 0 8px rgba(217, 70, 239, 0.5), inset 0 0 4px rgba(217, 70, 239, 0.2);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.6);
  --shadow: 0 4px 24px rgba(0,0,0,0.7);
  --shadow-lg: 0 16px 64px rgba(107, 33, 168, 0.2);
  --glow: 0 0 30px rgba(107, 33, 168, 0.25);
  --glow-primary: 0 0 40px rgba(107, 33, 168, 0.2);
  --radius: 20px;
  --radius-sm: 10px;
  --nav-h: 80px;
  --font: 'Inter', -apple-system, sans-serif;
  --font-mono: 'Fira Code', monospace;
  --transition: 0.4s cubic-bezier(0.2,0.8,0.2,1);
}

[data-theme="light"] {
  --bg: #fafafa;
  --bg-alt: #f4f4f5;
  --bg-card: #ffffff;
  --bg-card-hover: #fdfdfd;
  --border: rgba(196, 181, 253, 0.4);
  --border-hover: rgba(196, 181, 253, 0.7);
  --text: #1f2937;
  --text-muted: #6b7280;
  --text-dim: #9ca3af;
  --primary: #c084fc;
  --primary-light: #d8b4fe;
  --primary-dark: #a855f7;
  --accent: #67e8f9;
  --accent2: #f472b6;
  --success: #6ee7b7;
  --gradient: linear-gradient(135deg, #c084fc, #67e8f9);
  --gradient-text: linear-gradient(90deg, #c084fc, #38bdf8, #2dd4bf);
  --title-glow: drop-shadow(0 4px 12px rgba(56, 189, 248, 0.25));
  --neon-border: 0 0 6px rgba(244, 114, 182, 0.5), inset 0 0 4px rgba(244, 114, 182, 0.2);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 16px 64px rgba(196, 181, 253, 0.15);
  --glow: 0 0 30px rgba(196, 181, 253, 0.2);
}

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

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: url("https://grainy-gradients.vercel.app/noise.svg");
  opacity: 0.04;
  pointer-events: none;
  z-index: 9999;
}

[data-theme="light"] body::before { opacity: 0.02; }


a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* --- SCROLLBAR --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ================================================================
   NAVBAR
   ================================================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}
[data-theme="light"] .navbar { background: rgba(248,248,252,0.9); }
.navbar.scrolled { box-shadow: var(--shadow); }

.nav-container {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; gap: 32px;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.3rem; font-weight: 700;
  background: var(--gradient); 
  background-clip: text; 
  -webkit-background-clip: text; 
  -webkit-text-fill-color: transparent;
  flex-shrink: 0;
}
.logo-bracket { opacity: 0.7; }

.nav-links {
  display: flex; list-style: none; gap: 4px; margin-left: auto;
}
.nav-links a {
  padding: 8px 14px; border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500; color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--text); background: var(--border); }

.nav-actions { display: flex; align-items: center; gap: 8px; }

.lang-toggle, .theme-toggle {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 12px; border-radius: var(--radius-sm);
  background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); cursor: pointer; font-family: var(--font);
  font-size: 0.85rem; font-weight: 600;
  transition: all var(--transition);
}
.lang-toggle:hover, .theme-toggle:hover {
  border-color: var(--primary); color: var(--primary);
}
.theme-toggle svg { width: 16px; height: 16px; }

/* --- ATTENTION PULSE --- */
.pulse-attention {
  animation: attention-pulse 1s infinite alternate;
  border-color: var(--primary) !important;
  color: var(--primary) !important;
  box-shadow: 0 0 15px var(--primary);
}
@keyframes attention-pulse {
  from { transform: scale(1); box-shadow: 0 0 5px var(--primary); }
  to { transform: scale(1.15); box-shadow: 0 0 20px var(--primary); }
}
.icon-sun { display: block; }
.icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: transparent; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-muted); border-radius: 2px;
  transition: all var(--transition);
}

/* --- SCROLL PROGRESS --- */
.scroll-progress-bar {
  position: fixed; top: 0; left: 0; width: 0%; height: 3px;
  background: var(--gradient); z-index: 2000;
  transition: width 0.1s ease;
}


/* ================================================================
   HERO
   ================================================================ */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; padding-top: var(--nav-h);
}

.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
}
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}
.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #8b5cf6, transparent);
  top: -100px; right: -100px;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #06b6d4, transparent);
  bottom: -50px; left: -80px;
  animation-delay: -3s;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #f43f5e, transparent);
  top: 40%; left: 40%;
  opacity: 0.2; animation-delay: -5s;
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
  position: relative; z-index: 1;
  max-width: 800px; margin: 0 auto; padding: 80px 24px;
  text-align: center;
  animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 100px;
  border: 1px solid var(--success);
  background: rgba(16,185,129,0.08);
  font-size: 0.85rem; font-weight: 500; color: var(--success);
  margin-bottom: 28px;
}
.badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 900; line-height: 1.1;
  letter-spacing: -0.02em; margin-bottom: 20px;
}
.greeting {
  display: block; font-size: 0.4em; font-weight: 400;
  color: var(--text-muted); margin-bottom: 8px; letter-spacing: 0;
}
.name-gradient {
  display: inline-block;
  background: var(--gradient-text); background-size: 200%;
  background-clip: text;
  -webkit-background-clip: text; 
  -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite;
  filter: var(--title-glow);
}
@keyframes shimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-muted); font-weight: 400;
  min-height: 1.8em; margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.typed-wrapper {
  display: inline-block;
  position: relative;
  min-width: 2ch;
}
.typed-text { 
  color: var(--primary-light); 
  font-weight: 600;
  white-space: pre-wrap;
}
.cursor-blink {
  display: inline-block;
  margin-left: 2px;
  animation: blink 1s step-end infinite;
  color: var(--primary);
  font-weight: 900;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

.hero-description {
  font-size: 1.05rem; color: var(--text-muted);
  max-width: 600px; margin: 0 auto 36px;
  line-height: 1.8;
}

.hero-cta {
  display: flex; gap: 16px; justify-content: center;
  flex-wrap: wrap; margin-bottom: 56px;
}

.hero-stats {
  display: flex; gap: 32px; justify-content: center; align-items: center;
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-num {
  display: block; font-size: 1.8rem; font-weight: 800;
  background: var(--gradient); 
  background-clip: text;
  -webkit-background-clip: text; 
  -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }
.stat-divider {
  width: 1px; height: 40px;
  background: var(--border);
}

.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-dim); font-size: 0.75rem; z-index: 1;
  animation: fadeIn 1s 1s both;
}
.scroll-indicator {
  width: 24px; height: 36px; border-radius: 12px;
  border: 2px solid var(--border);
  position: relative;
}
.scroll-indicator::after {
  content: ''; position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; border-radius: 2px;
  background: var(--primary);
  animation: scrollDown 1.5s infinite;
}
@keyframes scrollDown {
  0% { top: 6px; opacity: 1; }
  100% { top: 20px; opacity: 0; }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 100px;
  font-family: var(--font); font-size: 0.95rem; font-weight: 600;
  cursor: pointer; border: none; transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient); color: #fff;
  box-shadow: 0 4px 20px rgba(139,92,246,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(139,92,246,0.5); }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border); backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 15px 36px; font-size: 1.05rem; }

.btn-animate {
  position: relative;
  overflow: hidden;
  z-index: 1;
  transition: all var(--transition);
  animation: pulse-glow 2s infinite;
}

.btn-animate:hover {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 10px 20px rgba(139, 92, 246, 0.4);
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.4); }
  70% { box-shadow: 0 0 0 15px rgba(139, 92, 246, 0); }
  100% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0); }
}

/* ================================================================
   SECTIONS
   ================================================================ */
.section { 
  padding: 120px 0; 
  position: relative;
  overflow: hidden;
}
.section-alt { 
  background: var(--bg-alt); 
}

.section-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.orb-about { width: 400px; height: 400px; background: radial-gradient(circle, rgba(139,92,246,0.08), transparent 70%); top: 10%; right: -5%; }
.orb-skills { width: 500px; height: 500px; background: radial-gradient(circle, rgba(6,182,212,0.08), transparent 70%); bottom: -10%; left: -10%; }
.orb-exp { width: 450px; height: 450px; background: radial-gradient(circle, rgba(244,63,94,0.05), transparent 70%); top: 20%; right: -10%; }
.orb-contact { width: 600px; height: 600px; background: radial-gradient(circle, rgba(139,92,246,0.1), transparent 70%); bottom: -20%; left: 20%; }

.container { 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center; 
  margin-bottom: 80px;
}
.section-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem); 
  font-weight: 900;
  letter-spacing: -0.04em;
  background: var(--gradient-text);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
  filter: var(--title-glow);
}
.section-subtitle {
  font-size: 1.05rem; color: var(--text-muted);
  margin-top: 12px; max-width: 500px; margin-left: auto; margin-right: auto;
}

/* ================================================================
   ABOUT
   ================================================================ */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start;
}
.about-text p {
  color: var(--text-muted); margin-bottom: 20px; font-size: 1.02rem; line-height: 1.8;
}
.about-links {
  display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px;
}
.about-link {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 24px; border-radius: 12px;
  font-size: 0.95rem; font-weight: 600;
  color: white; text-decoration: none;
  transition: all var(--transition);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn-github { background: #1a1a1a; }
.btn-github:hover { background: #000; border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.4); }

.btn-linkedin { background: #0077b5; }
.btn-linkedin:hover { background: #006396; transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,119,181,0.3); }

.btn-email { background: #28a745; }
.btn-email:hover { background: #218838; transform: translateY(-3px); box-shadow: 0 10px 20px rgba(40,167,69,0.3); }

.about-link svg { width: 18px; height: 18px; }

.about-cards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  grid-auto-rows: 1fr;
}
.info-card {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 24px; 
  padding: 24px;
  display: flex; 
  flex-direction: column;
  justify-content: center;
  align-items: center; 
  text-align: center;
  gap: 12px;
  height: 100%;
  transition: all var(--transition);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.info-card:hover { 
  border-color: var(--primary-light); 
  background: rgba(139, 92, 246, 0.05);
  transform: translateY(-8px); 
  box-shadow: 0 20px 40px rgba(0,0,0,0.3), var(--neon-border); 
}
.info-card-icon { 
  font-size: 1.8rem; 
  width: 50px; height: 50px;
  background: rgba(139, 92, 246, 0.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; 
}
.info-card h4 { font-size: 0.75rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: var(--primary-light); margin-bottom: 4px; }
.info-card p { font-size: 1rem; font-weight: 700; color: var(--text); line-height: 1.2; }
.info-card span { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }

/* ================================================================
   SKILLS
   ================================================================ */
.skills-categories {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px; margin-bottom: 32px;
}
.skill-category {
  background: rgba(255, 255, 255, 0.01);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 28px; 
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.skill-category::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 10% 10%, rgba(139, 92, 246, 0.05), transparent 50%);
  pointer-events: none;
}
.skill-category:hover { 
  border-color: var(--primary-light);
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.2), var(--neon-border); 
}
.skill-cat-title {
  font-size: 1.1rem; font-weight: 800; margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
  color: var(--text);
}
.skill-cat-icon { 
  font-size: 1.4rem; 
  color: var(--primary-light);
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.skill-tag {
  padding: 8px 18px; 
  border-radius: 12px;
  font-size: 0.85rem; 
  font-weight: 600;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  transition: all 0.3s ease; 
  cursor: default;
}
.skill-tag:hover { 
  background: rgba(139, 92, 246, 0.2);
  transform: scale(1.05) rotate(2deg);
  box-shadow: 0 10px 20px rgba(139, 92, 246, 0.2);
}
.skill-expert { border-color: rgba(139, 92, 246, 0.4); color: var(--primary-light); }
.skill-advanced { border-color: rgba(6, 182, 212, 0.4); color: var(--accent); }
.skill-medium { border-color: rgba(255, 255, 255, 0.15); color: var(--text-dim); }
[data-theme="light"] .skill-medium { background: rgba(0,0,0,0.04); }
.skill-tag:hover { transform: translateY(-1px); }

.skill-legend {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}
.legend-item { display: flex; align-items: center; }

/* ================================================================
   PROJECTS
   ================================================================ */
.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 32px;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  isolation: isolate;
}
.project-featured::before {
  content: "";
  position: absolute; inset: 0;
  padding: 2px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0.6;
  border-radius: inherit;
  pointer-events: none;
  z-index: 2;
}

.project-featured {
  background: linear-gradient(to bottom right, var(--bg-card), rgba(139,92,246,0.05));
}




@media (min-width: 981px) {
  .project-featured .project-title {
    font-size: 1.5rem;
  }
}


.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(139, 92, 246, 0.1), transparent 40%);
  opacity: 0;
  transition: opacity 0.5s;
  z-index: -1;
  pointer-events: none;
}

.project-card:hover::after {
  opacity: 1;
}

.project-card:hover {
  border-color: var(--primary-light);
  transform: translateY(-10px) scale(1.01);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), var(--glow-primary), var(--neon-border);
}


.project-img-wrap {
  position: relative; overflow: hidden;
  aspect-ratio: 21/9;
  background: var(--bg-alt);
}
.project-img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.project-card:hover .project-img { transform: scale(1.05); }

.project-overlay {
  position: absolute; inset: 0;
  background: rgba(10,10,15,0.75);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.overlay-btn {
  padding: 12px 26px; border-radius: 100px;
  background: var(--gradient); color: #fff;
  font-size: 0.9rem; font-weight: 700;
  transform: translateY(10px); transition: transform var(--transition);
}
.project-card:hover .overlay-btn { transform: translateY(0); }

.project-badge {
  position: absolute; top: 14px; right: 14px;
  padding: 4px 12px; border-radius: 100px;
  font-size: 0.72rem; font-weight: 700;
}
.badge-live { background: rgba(16,185,129,0.2); color: var(--success); border: 1px solid var(--success); }
.badge-github { background: rgba(139,92,246,0.2); color: var(--primary-light); border: 1px solid var(--primary); }

.project-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  background: linear-gradient(to bottom, rgba(255,255,255,0.02), transparent);
  border-top: 1px solid rgba(255,255,255,0.05);
}


.project-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.project-type { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--primary-light); }
.project-year { font-size: 0.75rem; color: var(--text-dim); font-family: var(--font-mono); }
.project-title { font-size: 1.15rem; font-weight: 800; margin-bottom: 10px; letter-spacing: -0.01em; }
.project-desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 16px; flex: 1; }
.project-stack {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px;
}
.project-stack span {
  padding: 5px 14px;
  border-radius: 8px;
  background: rgba(139, 92, 246, 0.05);
  border: 1px solid rgba(139, 92, 246, 0.1);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-family: var(--font-mono);
  color: var(--primary-light);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-stack span {
  border-color: var(--primary);
  background: rgba(139, 92, 246, 0.15);
  transform: scale(1.05);
}


.project-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ================================================================
   TIMELINE / EXPERIENCE
   ================================================================ */
.timeline { max-width: 720px; margin: 0 auto; position: relative; }
.timeline::before {
  content: ''; position: absolute; left: 16px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, transparent, var(--primary), var(--accent), transparent);
}
.timeline-item { display: flex; gap: 32px; margin-bottom: 60px; position: relative; }
.timeline-dot {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--primary);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
}
.timeline-dot::after {
  content: ''; width: 12px; height: 12px; border-radius: 50%;
  background: var(--primary);
  animation: pulse 2s infinite;
}
.timeline-content {
  background: rgba(255, 255, 255, 0.02); 
  backdrop-filter: blur(10px);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 28px; 
  padding: 32px; 
  flex: 1;
  transition: all var(--transition);
}
.timeline-content:hover { 
  border-color: var(--primary); 
  background: rgba(255, 255, 255, 0.04);
  transform: translateX(10px);
}
.timeline-header { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.timeline-year { font-family: var(--font-mono); font-size: 0.8rem; color: var(--primary-light); font-weight: 600; }
.timeline-badge {
  padding: 2px 10px; border-radius: 100px;
  background: rgba(139,92,246,0.15); color: var(--primary-light);
  border: 1px solid var(--primary); font-size: 0.72rem; font-weight: 700;
}
.timeline-content h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.timeline-content p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 8px; }
.timeline-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.timeline-tags span {
  padding: 3px 10px; border-radius: 4px;
  background: rgba(139,92,246,0.08); border: 1px solid var(--border);
  font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-mono);
}

/* ================================================================
   CONTACT
   ================================================================ */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start;
}
.contact-cards { display: flex; flex-direction: column; gap: 14px; }
.contact-card {
  display: flex; align-items: center; gap: 24px;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 28px; 
  padding: 28px 36px;
  transition: all var(--transition); 
  cursor: pointer;
}
.contact-card:hover { 
  border-color: var(--primary-light); 
  transform: translateY(-10px) scale(1.02); 
  box-shadow: 0 30px 60px rgba(0,0,0,0.4), var(--neon-border); 
  background: rgba(139, 92, 246, 0.05);
}
.contact-icon { 
  font-size: 2.2rem; 
  width: 70px; height: 70px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; 
}
.contact-card h4 { font-size: 0.9rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.15em; color: var(--text-dim); margin-bottom: 4px; }
.contact-card span { font-size: 1.1rem; color: var(--text); font-weight: 700; }

.contact-cta-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 40px;
  text-align: center; position: relative; overflow: hidden;
}
.cta-glow {
  position: absolute; inset: -50%; background: radial-gradient(circle, rgba(139,92,246,0.12), transparent 60%);
  pointer-events: none;
}
.contact-cta-box h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 14px; }
.contact-cta-box p { color: var(--text-muted); font-size: 0.97rem; margin-bottom: 28px; line-height: 1.7; }
.contact-cta-box .btn { width: 100%; justify-content: center; }

/* Contact Form Styles */
.contact-form { margin-top: 24px; text-align: left; }
.contact-form .form-group { margin-bottom: 16px; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 14px 18px; border-radius: var(--radius-sm);
  background: var(--bg-alt); border: 1px solid var(--border);
  color: var(--text); font-family: var(--font); font-size: 0.95rem;
  transition: all var(--transition);
}
.contact-form textarea { height: 120px; resize: none; }
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--primary); background: var(--bg-card);
  box-shadow: 0 0 15px rgba(139,92,246,0.1);
}
.form-divider {
  display: flex; align-items: center; gap: 12px;
  color: var(--text-dim); font-size: 0.75rem; font-weight: 700;
  margin: 20px 0;
}
.form-divider::before, .form-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  background: var(--bg);
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer-logo {
  font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700;
  background: var(--gradient); 
  background-clip: text;
  -webkit-background-clip: text; 
  -webkit-text-fill-color: transparent;
}
.footer-copy { font-size: 0.85rem; color: var(--text-dim); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 0.85rem; color: var(--text-muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--primary); }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .about-cards { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .hero-title { font-size: 3rem; }
  .nav-actions { margin-left: auto; }
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 24px; gap: 12px;
    transform: translateY(-120%); transition: transform var(--transition);
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { display: block; font-size: 1.1rem; }
  .hamburger { display: flex; }
  .projects-grid { grid-template-columns: 1fr; }
  .about-cards { grid-template-columns: 1fr; }
  .skills-categories { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 40px; height: 1px; display: block; opacity: 0.2; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .section { padding: 64px 0; }
  .hero-cta { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; max-width: 280px; }
}

/* ================================================================
   PROJECT IMAGE — SHIMMER LOADING (real screenshots from thum.io)
   ================================================================ */
.project-img-wrap {
  background: var(--bg-alt);
  position: relative; overflow: hidden;
  aspect-ratio: 16/10;
}
.project-img-wrap::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    90deg,
    var(--bg-alt) 25%,
    rgba(139,92,246,0.08) 50%,
    var(--bg-alt) 75%
  );
  background-size: 400% 100%;
  animation: shimmerLoad 1.8s infinite;
  z-index: 0;
}
@keyframes shimmerLoad {
  0% { background-position: 100% 50%; }
  100% { background-position: -100% 50%; }
}
.project-img-placeholder {
  width: 100%; height: 100%;
  background: radial-gradient(circle at 20% 20%, rgba(139,92,246,0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(6,182,212,0.15) 0%, transparent 50%),
              var(--bg-card);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}

.project-img-placeholder span {
  font-family: var(--font-mono); font-size: 1.2rem; font-weight: 500;
  color: var(--primary-light); opacity: 0.3;
  padding: 12px 20px; border: 1px solid rgba(139,92,246,0.2);
  border-radius: var(--radius-sm);
  background: rgba(139,92,246,0.05);
  backdrop-filter: blur(4px);
  transition: all var(--transition);
}

.project-card:hover .project-img-placeholder span {
  opacity: 0.8; transform: scale(1.05); border-color: var(--primary);
  box-shadow: 0 0 20px rgba(139,92,246,0.2);
}

.project-img-placeholder::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at center, var(--primary) 0%, transparent 70%);
  opacity: 0.05;
}

.project-img { position: relative; z-index: 1; }

/* ================================================================
   PROJECT MODAL
   ================================================================ */
.project-modal-backdrop {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s ease;
}
.project-modal-backdrop.open {
  opacity: 1; pointer-events: all;
}
.project-modal {
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: 24px;
  width: 100%; max-width: 900px;
  max-height: 90vh; overflow-y: auto;
  position: relative;
  transform: translateY(30px) scale(0.97);
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 0 1px var(--border-hover);
}
.project-modal-backdrop.open .project-modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute; top: 16px; right: 16px; z-index: 10;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.1); border: 1px solid var(--border);
  color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--accent2); color: #fff; border-color: var(--accent2); }
.modal-close svg { width: 16px; height: 16px; }

/* Carousel */
.modal-carousel {
  position: relative; overflow: hidden;
  border-radius: 24px 24px 0 0;
  aspect-ratio: 16/9;
  background: var(--bg-alt);
}
.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
  height: 100%;
}
.carousel-slide {
  flex-shrink: 0; width: 100%; position: relative;
}
.carousel-slide img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity 0.6s ease;
}
.carousel-slide img.loaded { opacity: 1; }
.slide-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 12px 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  color: #fff; font-size: 0.85rem; font-weight: 500;
}

.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(0,0,0,0.6); border: 1px solid rgba(255,255,255,0.2);
  color: #fff; font-size: 1.5rem; cursor: pointer; z-index: 5;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.carousel-btn:hover { background: var(--primary); border-color: var(--primary); }
.carousel-prev { left: 12px; }
.carousel-next { right: 12px; }

.carousel-dots {
  position: absolute; bottom: 48px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 6px; z-index: 5;
}
.carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.4); cursor: pointer;
  border: none; transition: all var(--transition);
}
.carousel-dot.active { background: #fff; width: 20px; border-radius: 4px; }

/* Modal body */
.modal-body { padding: 28px 32px 36px; }

.modal-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 20px; margin-bottom: 20px; flex-wrap: wrap;
}
.modal-tag {
  display: inline-block; font-family: var(--font-mono);
  font-size: 0.75rem; color: var(--primary-light);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px;
}
.modal-title { font-size: 1.6rem; font-weight: 800; margin-bottom: 4px; }
.modal-subtitle { font-size: 0.9rem; color: var(--text-muted); }
.modal-links { display: flex; gap: 10px; flex-shrink: 0; }

.modal-description {
  background: rgba(139,92,246,0.06); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 16px 20px;
  margin-bottom: 24px;
}
.modal-description p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.75; }

.modal-features {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  margin-bottom: 24px;
}
.feature-block {
  background: var(--bg-alt); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 18px;
}
.feature-block h4 {
  font-size: 0.9rem; font-weight: 700; margin-bottom: 12px;
  color: var(--text);
}
.feature-block ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.feature-block li {
  font-size: 0.83rem; color: var(--text-muted); padding-left: 16px;
  position: relative; line-height: 1.5;
}
.feature-block li::before {
  content: '✓'; position: absolute; left: 0;
  color: var(--success); font-weight: 700; font-size: 0.75rem;
}

.modal-stack-full h4 {
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--text-dim); margin-bottom: 12px;
}
.modal-tech-grid {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.tech-pill {
  padding: 7px 14px; border-radius: 8px;
  background: rgba(139,92,246,0.08); border: 1px solid var(--border);
  font-size: 0.83rem; color: var(--text-muted); font-family: var(--font-mono);
}
.tech-layer {
  color: var(--primary-light); font-weight: 700;
  margin-right: 4px;
}

/* Carousel Helpers */
.slide-type-image { background: #000; display: flex; align-items: center; justify-content: center; }
.slide-type-image img { width: auto; max-height: 80%; object-fit: contain; }

.slide-overlay-center {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle, rgba(139,92,246,0.1), transparent 70%);
}
.slide-badge {
  padding: 8px 16px; border-radius: 50px;
  background: var(--gradient); border: 2px solid rgba(255,255,255,0.2);
  color: #fff; font-size: 0.8rem; font-weight: 700;
  box-shadow: 0 10px 30px rgba(139,92,246,0.3);
}

.slide-type-dark {
  background: #0a0a0c; height: 100%;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
}
.slide-gradient-text {
  padding: 40px; border-radius: 20px;
  background: linear-gradient(135deg, rgba(139,92,246,0.1), rgba(217,70,239,0.1));
  border: 1px solid var(--border);
}
.stat-box .stat-val {
  font-size: 3rem; font-weight: 900;
  background: var(--gradient); 
  background-clip: text;
  -webkit-background-clip: text; 
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
}
.stat-box .stat-name {
  font-family: var(--font-mono); color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.2em; font-size: 0.9rem;
}

@media (max-width: 640px) {
  .modal-features { grid-template-columns: 1fr; }
  .modal-header { flex-direction: column; }
  .modal-body { padding: 20px; }
}

/* ================================================================
   PRINT STYLES (CV MODE)
   ================================================================ */
@media print {
  @page { margin: 0.8cm; size: letter; }
  
  body { background: white !important; color: #000 !important; font-size: 9pt; }
  body::before { display: none; }
  
  .navbar, .hero-bg, .orb, .scroll-progress-bar, .hero-scroll, .theme-toggle, .lang-toggle, .hamburger, .hero-cta, .hero-badge, .cursor-blink, .project-overlay, .project-actions, .contact-cta-box, .footer-links {
    display: none !important;
  }
  
  .section { padding: 10px 0 !important; page-break-inside: avoid; }
  .section-alt { background: white !important; }
  
  .container { max-width: 100% !important; padding: 0 !important; margin: 0 !important; }
  
  .hero { min-height: auto !important; padding: 0 !important; margin-bottom: 15px; text-align: left; }
  .hero-content { padding: 0 !important; text-align: left; max-width: 100% !important; margin: 0 !important; }
  .hero-title { font-size: 20pt !important; color: #000 !important; margin-bottom: 2px !important; }
  .greeting { font-size: 10pt !important; margin-bottom: 2px !important; }
  .name-gradient { 
    background: none !important; -webkit-text-fill-color: #000 !important; color: #000 !important;
    display: inline !important;
  }
  .hero-subtitle { font-size: 12pt !important; color: #333 !important; font-weight: 700 !important; margin-bottom: 5px !important; }
  .hero-description { font-size: 9pt !important; color: #444 !important; max-width: 100% !important; margin: 0 !important; line-height: 1.3 !important; }
  .hero-stats { justify-content: flex-start !important; margin-top: 10px !important; gap: 30px !important; }
  .stat-num { font-size: 12pt !important; -webkit-text-fill-color: #000 !important; }
  
  .section-header { text-align: left !important; margin-bottom: 15px !important; border-bottom: 1px solid #eee; padding-bottom: 5px; }
  .section-title { font-size: 14pt !important; font-weight: 800 !important; text-transform: uppercase; }
  .section-tag { display: none; }
  
  .about-grid { grid-template-columns: 1fr !important; gap: 15px !important; }
  .about-cards { grid-template-columns: repeat(4, 1fr) !important; gap: 8px !important; }
  .info-card { padding: 8px !important; border: 1px solid #eee !important; background: #fafafa !important; }
  .info-card-icon { font-size: 9pt !important; }
  
  .skills-categories { grid-template-columns: 1fr 1fr !important; gap: 10px !important; }
  .skill-category { padding: 5px !important; border: none !important; background: transparent !important; }
  .skill-cat-title { margin-bottom: 5px !important; font-size: 10pt !important; }
  .skill-tag { 
    background: #f0f0f0 !important; color: #000 !important; border: 1px solid #ddd !important;
    padding: 1px 6px !important; font-size: 7.5pt !important;
  }
  
  .projects-grid { grid-template-columns: 1fr !important; gap: 10px !important; }
  .project-card { border: none !important; padding: 0 !important; box-shadow: none !important; page-break-inside: avoid; margin-bottom: 10px !important; }
  .project-img-wrap { display: none; }
  .project-info { padding: 0 !important; border: none !important; }
  .project-title { font-size: 11pt !important; margin-bottom: 1px !important; }
  .project-desc { font-size: 8.5pt !important; margin-bottom: 4px !important; display: block !important; line-height: 1.3 !important; }
  .project-stack span { background: #eee !important; color: #333 !important; border: 1px solid #ccc !important; padding: 1px 4px !important; font-size: 7pt !important; }
  
  .timeline::before { left: 0; background: #eee !important; }
  .timeline-item { gap: 10px !important; margin-bottom: 10px !important; page-break-inside: avoid; }
  .timeline-dot { width: 10px !important; height: 10px !important; left: -4px !important; border-width: 1px !important; }
  .timeline-dot::after { width: 3px !important; height: 3px !important; }
  .timeline-content { padding: 0 !important; border: none !important; background: transparent !important; }
  .timeline-year { font-size: 8pt !important; color: #666 !important; }
  .timeline-content h4 { font-size: 10pt !important; margin-bottom: 1px !important; }
  .timeline-content p { font-size: 8.5pt !important; color: #333 !important; line-height: 1.3 !important; }
  .timeline-tags { margin-top: 4px !important; gap: 4px !important; }
  .timeline-tags span { font-size: 7pt !important; padding: 1px 4px !important; }
  
  .contact-grid { grid-template-columns: repeat(4, 1fr) !important; gap: 8px !important; margin-top: 15px !important; }
  .contact-card { padding: 4px !important; border: none !important; }
  .contact-card h4 { display: none; }
  .contact-card span { font-size: 7.5pt !important; }
  
  .footer { border: none !important; padding: 8px 0 !important; }
  .footer-copy { font-size: 6.5pt !important; }
}