/* ─── Variables ─── */
:root {
  --bg:           #0D0B2B;
  --surface:      #131040;
  --surface-up:   #1A1650;
  --blue:         #3B82F6;
  --violet:       #8B5CF6;
  --cyan:         #06B6D4;
  --pink:         #EC4899;
  --amber:        #F59E0B;
  --green:        #34D399;
  --grad-hero:    linear-gradient(135deg, #3B82F6 0%, #8B5CF6 50%, #EC4899 100%);
  --grad-cyan:    linear-gradient(135deg, #06B6D4 0%, #3B82F6 100%);
  --grad-amber:   linear-gradient(135deg, #F59E0B 0%, #EC4899 100%);
  --text:         #F1F0FF;
  --text-muted:   #9B97C8;
  --border:       rgba(139, 92, 246, 0.18);
  --border-glow:  rgba(59, 130, 246, 0.45);
  --shadow-3d:    0 20px 60px -10px rgba(0,0,0,0.6), 0 8px 20px -4px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.06);
  --shadow-glow:  0 0 30px rgba(139,92,246,0.35), 0 0 60px rgba(139,92,246,0.12);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Ambient background gradients */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(circle at 15% 15%, rgba(59,130,246,0.07) 0%, transparent 50%),
    radial-gradient(circle at 85% 85%, rgba(139,92,246,0.09) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(6,182,212,0.04) 0%, transparent 60%);
  animation: bgshift 15s ease-in-out infinite alternate;
}
@keyframes bgshift {
  0%   { opacity: 0.7; transform: scale(1); }
  100% { opacity: 1;   transform: scale(1.04); }
}

/* Grid overlay */
body::after {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(139,92,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 100% 100% at 50% 0%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 100% 100% at 50% 0%, black 40%, transparent 100%);
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 300; line-height: 1.1; }
a { color: var(--blue); text-decoration: none; transition: color .25s; }
a:hover { color: #93C5FD; }

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

:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; border-radius: 4px; }

/* ─── Navigation ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem 4rem;
  background: rgba(13, 11, 43, 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.75rem; font-weight: 400; letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--grad-hero);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex; gap: 3rem; list-style: none;
}

.nav-links a {
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-muted); transition: color .3s;
}
.nav-links a:hover { color: var(--text); }

.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }
.nav-links.open { display: flex; }

/* ─── Hero ─── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 10rem 4rem 6rem;
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero-orb {
  position: absolute; border-radius: 50%; pointer-events: none;
  animation: orb 12s ease-in-out infinite alternate;
}
.hero-orb-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(139,92,246,0.14) 0%, transparent 65%);
  top: -150px; right: -200px;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.1) 0%, transparent 65%);
  bottom: -100px; left: 5%;
  animation-direction: alternate-reverse; animation-duration: 10s;
}
@keyframes orb {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 40px) scale(1.1); }
}

.hero-inner {
  max-width: 1200px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center; position: relative; z-index: 1;
}

.hero-pretitle {
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 1.75rem;
  display: flex; align-items: center; gap: 1rem;
}
.hero-pretitle::before {
  content: ''; width: 30px; height: 2px;
  background: var(--grad-hero); border-radius: 1px;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 6vw, 6.5rem);
  font-weight: 300; letter-spacing: -0.03em; line-height: 0.9;
  background: var(--grad-hero);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block; margin-bottom: 0.5rem;
  filter: drop-shadow(0 0 40px rgba(139,92,246,0.5));
}

.hero-title {
  font-size: clamp(2rem, 3.5vw, 4rem);
  font-weight: 300; letter-spacing: -0.02em; line-height: 1.1;
  margin-bottom: 2.5rem; color: var(--text); display: block;
}
.hero-title em { font-style: italic; color: var(--text-muted); }

.hero-desc {
  font-size: 1.05rem; font-weight: 300; line-height: 1.85;
  color: var(--text-muted); max-width: 480px; margin-bottom: 3rem;
}

.hero-cta-row { display: flex; align-items: center; gap: 2rem; }

.availability {
  display: flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--green);
  background: rgba(52,211,153,0.08); border: 1px solid rgba(52,211,153,0.25);
  padding: 0.65rem 1.2rem; border-radius: 50px;
}

.status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 10px rgba(52,211,153,0.7);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero-right { display: flex; flex-direction: column; gap: 1.5rem; }

.stat-row {
  display: flex; align-items: center; gap: 1.75rem;
  padding: 1.75rem 2rem;
  background: var(--surface);
  border: 1px solid var(--border); border-radius: 20px;
  box-shadow: var(--shadow-3d);
  transition: transform .35s cubic-bezier(.25,.8,.25,1), box-shadow .35s, border-color .35s;
  position: relative; overflow: hidden;
}
.stat-row::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 4px; border-radius: 20px 0 0 20px;
}
.stat-row:nth-child(1)::before { background: var(--grad-hero); }
.stat-row:nth-child(2)::before { background: var(--grad-cyan); }
.stat-row:nth-child(3)::before { background: var(--grad-amber); }
.stat-row:nth-child(4)::before { background: linear-gradient(135deg, #34D399, #06B6D4); }
.stat-row:hover {
  transform: translateX(8px) translateY(-2px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-3d), var(--shadow-glow);
}

.stat-num {
  font-family: var(--font-display);
  font-size: 3.25rem; font-weight: 300; line-height: 1;
  min-width: 90px;
  background: var(--grad-hero);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }
.stat-label strong { display: block; font-weight: 500; color: var(--text); margin-bottom: 0.2rem; font-size: 0.9rem; }

/* ─── Page Wrapper ─── */
.page-wrapper { max-width: 1200px; margin: 0 auto; padding: 0 4rem; }

/* ─── Sections ─── */
.section { padding: 8rem 0; border-bottom: 1px solid var(--border); position: relative; z-index: 1; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.65rem; letter-spacing: 0.35em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 5rem;
  display: flex; align-items: center; gap: 1.5rem;
}
.section-label::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(to right, var(--border-glow), transparent);
}

/* ─── About ─── */
.about-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 8rem; align-items: start; }

.about-title { font-size: clamp(3rem, 5vw, 5rem); font-weight: 300; letter-spacing: -0.02em; line-height: 1.05; }
.about-title em {
  font-style: italic;
  background: var(--grad-hero);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-text p { font-size: 1.05rem; line-height: 1.9; color: var(--text-muted); margin-bottom: 1.75rem; }
.about-text p:last-child { margin-bottom: 0; }
.about-text strong { color: var(--text); font-weight: 500; }

/* ─── Projects ─── */
.project-list { display: flex; flex-direction: column; }

.project {
  display: grid; grid-template-columns: 230px 1fr;
  gap: 4rem; padding: 3.5rem 2.5rem;
  border-bottom: 1px solid var(--border);
  border-radius: 24px; margin-bottom: 1rem;
  transition: all .4s cubic-bezier(.25,.8,.25,1);
  position: relative; overflow: hidden;
}
.project::before {
  content: ''; position: absolute; inset: 0;
  background: var(--surface); opacity: 0;
  border-radius: 24px; transition: opacity .4s; z-index: -1;
}
.project:hover::before { opacity: 1; }
.project:hover { transform: translateY(-4px); box-shadow: var(--shadow-3d), var(--shadow-glow); border-color: var(--border-glow); }

.project-meta { padding-top: 0.5rem; }

.project-index { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.25em; color: var(--violet); display: block; margin-bottom: 0.75rem; }
.project-category { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-muted); display: block; margin-bottom: 1.5rem; }

.metrics {
  display: inline-block; font-family: var(--font-mono);
  font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700;
  color: #fff; padding: 0.4rem 1rem; border-radius: 50px;
  background: var(--grad-hero);
  box-shadow: 0 4px 15px rgba(139,92,246,0.4);
}

.project h3 { font-size: clamp(1.75rem, 2.5vw, 2.5rem); font-weight: 300; letter-spacing: -0.02em; color: var(--text); margin-bottom: 1rem; }

.project-desc { font-size: 0.975rem; line-height: 1.8; color: var(--text-muted); margin-bottom: 2rem; max-width: 560px; }

.tech-stack { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tech-stack span {
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 500;
  color: var(--blue); padding: 0.3rem 0.75rem;
  border: 1px solid rgba(59,130,246,0.25); border-radius: 50px;
  background: rgba(59,130,246,0.06); transition: all .25s;
}
.tech-stack span:hover { background: rgba(59,130,246,0.15); border-color: rgba(59,130,246,0.5); }

/* ─── Capabilities ─── */
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

.cap-card {
  padding: 2.5rem 2rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: 24px;
  transition: all .4s cubic-bezier(.25,.8,.25,1);
  box-shadow: 0 10px 25px -3px rgba(0,0,0,0.5);
}
.cap-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-3d), var(--shadow-glow);
  border-color: rgba(139,92,246,0.5);
}

/* 3D Icon */
.icon-3d {
  width: 60px; height: 60px; margin-bottom: 1.75rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 16px;
  box-shadow: 0 6px 0 rgba(0,0,0,0.35), 0 8px 20px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.15);
  transform: perspective(200px) rotateX(10deg);
  transition: transform .35s, box-shadow .35s;
}
.cap-card:hover .icon-3d {
  transform: perspective(200px) rotateX(0deg) translateY(-2px);
  box-shadow: 0 10px 0 rgba(0,0,0,0.3), 0 14px 30px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.2);
}

.icon-blue   { background: linear-gradient(135deg, #2563EB, #3B82F6); }
.icon-violet { background: linear-gradient(135deg, #7C3AED, #8B5CF6); }
.icon-cyan   { background: linear-gradient(135deg, #0891B2, #06B6D4); }
.icon-amber  { background: linear-gradient(135deg, #D97706, #F59E0B); }

.icon-3d svg { width: 28px; height: 28px; color: #fff; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.4)); }

.cap-card h4 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 400; color: var(--text); margin-bottom: 0.75rem; }
.cap-card p { font-size: 0.875rem; line-height: 1.7; color: var(--text-muted); }

/* ─── Contact ─── */
.contact-section { padding: 8rem 0 10rem; }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 8rem; align-items: start; }

.contact-title { font-size: clamp(3rem, 5vw, 5.5rem); font-weight: 300; letter-spacing: -0.02em; line-height: 1; }
.contact-title em {
  font-style: italic;
  background: var(--grad-hero);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-details { padding-top: 1rem; }

.contact-entry {
  display: block; padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left .3s;
}
.contact-entry:first-child { border-top: 1px solid var(--border); }
.contact-entry:hover { padding-left: 0.75rem; }

.contact-entry-label {
  font-family: var(--font-mono); font-size: 0.65rem;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--blue); display: block; margin-bottom: 0.6rem;
}
.contact-entry-value { font-size: 1.125rem; font-weight: 400; color: var(--text); transition: color .25s; }
.contact-entry:hover .contact-entry-value { color: var(--cyan); }

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 4rem; display: flex;
  justify-content: space-between; align-items: center;
  position: relative; z-index: 1;
}

.footer-text { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-muted); }

/* ─── Responsive ─── */
@media (max-width: 1100px) {
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav { padding: 1.25rem 2rem; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(13,11,43,0.97); padding: 2rem; gap: 1.5rem; border-bottom: 1px solid var(--border); }
  .nav-toggle { display: block; }

  .hero { padding: 8rem 2rem 5rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 4rem; }

  .page-wrapper { padding: 0 2rem; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .project { grid-template-columns: 1fr; gap: 1.5rem; padding: 2rem 1.5rem; }
  .project:hover { transform: none; box-shadow: none; }
  .cap-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 4rem; }
  .footer { padding: 2rem; flex-direction: column; gap: 1rem; text-align: center; }
  .cap-card:hover { transform: translateY(-4px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}