@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  --c-bg:          #0a0a14;
  --c-surface:     #12121f;
  --c-surface-2:   #1a1a2e;
  --c-border:      rgba(255,255,255,0.07);
  --c-border-2:    rgba(255,255,255,0.12);
  --c-text:        #e8e8f0;
  --c-text-2:      #9a9ab0;
  --c-text-3:      #6b6b80;

  --c-purple:      #a855f7;
  --c-purple-glow: rgba(168,85,247,0.35);
  --c-cyan:        #22d3ee;
  --c-cyan-glow:   rgba(34,211,238,0.25);
  --c-pink:        #ec4899;
  --c-pink-glow:   rgba(236,72,153,0.25);
  --c-amber:       #f59e0b;
  --c-green:       #22c55e;
  --c-green-glow:  rgba(34,197,94,0.2);

  --grad-primary: linear-gradient(135deg, #a855f7, #22d3ee);
  --grad-hero:    linear-gradient(135deg, #a855f7 0%, #ec4899 50%, #22d3ee 100%);
  --grad-card:    linear-gradient(135deg, rgba(168,85,247,0.08), rgba(34,211,238,0.04));

  --glass-bg:     rgba(255,255,255,0.04);
  --glass-bg-2:   rgba(255,255,255,0.07);
  --glass-border: rgba(255,255,255,0.08);
  --glass-blur:   blur(20px);

  --font-main:  'Inter', system-ui, sans-serif;
  --font-head:  'Space Grotesk', system-ui, sans-serif;

  --nav-h: 72px;
  --section-pad: 120px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --t-fast: 0.18s ease;
  --t-med:  0.3s ease;
  --t-slow: 0.5s cubic-bezier(0.34,1.56,0.64,1);

  --scrollbar-w: 6px;
}

@media (prefers-color-scheme: light) {
  :root {
    --c-bg:         #f0f0f8;
    --c-surface:    #ffffff;
    --c-surface-2:  #f5f5fc;
    --c-border:     rgba(0,0,0,0.07);
    --c-border-2:   rgba(0,0,0,0.12);
    --c-text:       #111120;
    --c-text-2:     #44445a;
    --c-text-3:     #888898;

    --c-purple:     #7c3aed;
    --c-purple-glow: rgba(124,58,237,0.15);
    --c-cyan:       #0891b2;
    --c-cyan-glow:  rgba(8,145,178,0.12);
    --c-pink:       #db2777;
    --c-pink-glow:  rgba(219,39,119,0.12);

    --glass-bg:     rgba(255,255,255,0.65);
    --glass-bg-2:   rgba(255,255,255,0.8);
    --glass-border: rgba(0,0,0,0.06);
  }
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--c-purple) transparent;
}

::-webkit-scrollbar { width: var(--scrollbar-w); }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--c-purple); border-radius: 99px; }

body {
  font-family: var(--font-main);
  background-color: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color 0.3s, color 0.3s;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

.container {
  width: min(1200px, 100% - 2rem);
  margin-inline: auto;
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
}

.navbar {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(10,10,20,0.6);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--c-border);
  transition: background var(--t-med), box-shadow var(--t-med);
}

@media (prefers-color-scheme: light) {
  .navbar {
    background: rgba(240,240,248,0.75);
  }
}

.navbar.scrolled {
  box-shadow: 0 4px 40px rgba(0,0,0,0.3);
}

.nav-inner {
  width: min(1200px, 100% - 2rem);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.logo-bracket { opacity: 0.7; }

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-text-2);
  transition: color var(--t-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--grad-primary);
  border-radius: 99px;
  transition: width var(--t-med);
}

.nav-link:hover { color: var(--c-text); }
.nav-link:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  width: 36px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--c-text);
  border-radius: 99px;
  transition: all var(--t-med);
}

.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); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-lg);
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--t-med);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  background: rgba(255,255,255,0.08);
  transition: opacity var(--t-fast);
}

.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 4px 24px var(--c-purple-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--c-purple-glow);
}

.btn-ghost {
  border: 1px solid var(--c-border-2);
  color: var(--c-text);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
}

.btn-ghost:hover {
  border-color: var(--c-purple);
  transform: translateY(-2px);
}

.hero {
  min-height: 100svh;
  padding-top: calc(var(--nav-h) + 60px);
  padding-bottom: 60px;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-inline: max(2rem, calc((100% - 1200px) / 2));
}

.hero-orbs { position: absolute; inset: 0; pointer-events: none; z-index: 0; }

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 8s ease-in-out infinite;
}

.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(168,85,247,0.25) 0%, transparent 70%);
  top: -150px; left: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(34,211,238,0.18) 0%, transparent 70%);
  top: 200px; right: -80px;
  animation-delay: -3s;
}

.orb-3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(236,72,153,0.18) 0%, transparent 70%);
  bottom: -100px; left: 30%;
  animation-delay: -5s;
}

.orb-4 {
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(245,158,11,0.12) 0%, transparent 70%);
  top: 60%; right: 20%;
  animation-delay: -2s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -40px) scale(1.05); }
  66%       { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

@media (prefers-color-scheme: light) {
  .hero-grid {
    background-image:
      linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
  }
}

.hero-content,
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  border-radius: 99px;
  border: 1px solid var(--c-green);
  color: var(--c-green);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.6s ease both;
}

.badge-dot {
  width: 8px; height: 8px;
  background: var(--c-green);
  border-radius: 50%;
  animation: pulse-green 2s ease-in-out infinite;
}

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0 var(--c-green-glow); }
  50%       { box-shadow: 0 0 0 6px transparent; }
}

.hero-title {
  font-family: var(--font-head);
  line-height: 1.1;
  margin-bottom: 1.25rem;
  animation: fadeUp 0.6s 0.1s ease both;
}

.hero-name {
  display: block;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  background: var(--grad-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
}

.hero-role {
  display: block;
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  font-weight: 500;
  color: var(--c-text-2);
  margin-top: 0.5rem;
  letter-spacing: -0.01em;
}

.hero-desc {
  color: var(--c-text-2);
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: 2rem;
  animation: fadeUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  animation: fadeUp 0.6s 0.3s ease both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  animation: fadeUp 0.6s 0.4s ease both;
}

.stat { text-align: left; }
.stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.78rem; color: var(--c-text-3); font-weight: 500; }
.stat-divider { width: 1px; height: 40px; background: var(--c-border-2); }

.visual-stack {
  position: relative;
  height: 350px;
  width: 100%;
  max-width: 450px;
  margin-inline: auto;
}

.visual-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.75rem;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
  width: max-content;
}

.visual-card-1 {
  top: 10%;
  left: 5%;
  z-index: 3;
  animation: visualFloat1 6s ease-in-out infinite;
}

.visual-card-2 {
  top: 42%;
  right: 5%;
  z-index: 2;
  animation: visualFloat2 6s ease-in-out infinite -2s;
}

.visual-card-3 {
  top: 74%;
  left: 15%;
  z-index: 1;
  animation: visualFloat3 6s ease-in-out infinite -4s;
}

.v-icon {
  font-size: 1.75rem;
}

.v-label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--c-text);
  letter-spacing: -0.01em;
}

@keyframes visualFloat1 {
  0%, 100% { transform: translateY(0) rotate(1deg); }
  50%       { transform: translateY(-12px) rotate(-1deg); }
}

@keyframes visualFloat2 {
  0%, 100% { transform: translateY(0) rotate(-1.5deg); }
  50%       { transform: translateY(14px) rotate(1.5deg); }
}

@keyframes visualFloat3 {
  0%, 100% { transform: translateY(0) rotate(0.5deg); }
  50%       { transform: translateY(-10px) rotate(-0.5deg); }
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--c-text-3);
  font-size: 0.75rem;
  animation: fadeIn 1s 1s ease both;
  z-index: 1;
}

.scroll-mouse {
  width: 22px; height: 36px;
  border: 2px solid var(--c-border-2);
  border-radius: 99px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-wheel {
  width: 3px; height: 8px;
  background: var(--c-text-3);
  border-radius: 99px;
  animation: scrollAnim 2s ease infinite;
}

@keyframes scrollAnim {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

.section {
  padding-block: var(--section-pad);
  position: relative;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-purple);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--c-text);
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--grad-primary);
  border-radius: 99px;
}

.about-section { background: var(--c-surface); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--c-text-2);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.about-text strong { color: var(--c-text); font-weight: 600; }
.about-text em { color: var(--c-cyan); font-style: normal; font-weight: 500; }

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.about-card {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  transition: transform var(--t-med), box-shadow var(--t-med);
}

.about-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.about-icon { font-size: 1.75rem; margin-bottom: 0.6rem; }

.about-card h3 {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--c-text);
}

.about-card p {
  font-size: 0.82rem;
  color: var(--c-text-2);
  line-height: 1.5;
}

.projects-section { background: var(--c-bg); }

.project-feature {
  margin-bottom: 6rem;
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--c-border-2);
  background: var(--grad-card);
  position: relative;
  overflow: hidden;
}

.project-feature::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 0% 0%, rgba(168,85,247,0.06), transparent 70%);
  pointer-events: none;
}

.project-feature-flip::before {
  background: radial-gradient(ellipse 60% 60% at 100% 0%, rgba(34,211,238,0.06), transparent 70%);
}

.project-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.project-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: 99px;
  border: 1px solid;
}

.tag-infra  { color: var(--c-amber);  border-color: var(--c-amber);  background: rgba(245,158,11,0.08); }
.tag-saas   { color: var(--c-cyan);   border-color: var(--c-cyan);   background: rgba(34,211,238,0.08); }
.tag-full   { color: var(--c-purple); border-color: var(--c-purple); background: rgba(168,85,247,0.08); }
.tag-ai     { color: var(--c-pink);   border-color: var(--c-pink);   background: rgba(236,72,153,0.08); }

.project-title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.project-link-title {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: filter var(--t-fast);
}

.project-link-title:hover { filter: brightness(1.2); }

.project-desc {
  color: var(--c-text-2);
  font-size: 1.05rem;
  max-width: 700px;
  margin-bottom: 2rem;
  line-height: 1.75;
}

.project-showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.showcase-card {
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  transition: transform var(--t-med), box-shadow var(--t-med);
}

.showcase-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 35px rgba(0,0,0,0.2);
}

.showcase-caption {
  font-size: 0.82rem;
  color: var(--c-text-3);
  text-align: center;
  margin-top: 1rem;
  font-weight: 500;
  line-height: 1.4;
}

.slide-visual {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.mock-panel {
  background: #0d0d1a;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}

@media (prefers-color-scheme: light) {
  .mock-panel { background: #1a1a2e; }
}

.mock-panel-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  background: rgba(0,0,0,0.3);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.mpb-dot { width: 10px; height: 10px; border-radius: 50%; }
.mpb-title { margin-left: 0.5rem; font-size: 0.75rem; color: #9a9ab0; }

.mock-panel-body {
  display: flex;
  min-height: 220px;
}

.mp-sidebar {
  width: 110px;
  padding: 0.75rem 0;
  border-right: 1px solid rgba(255,255,255,0.05);
  background: rgba(0,0,0,0.2);
  flex-shrink: 0;
}

.mp-nav-item {
  padding: 0.45rem 0.75rem;
  font-size: 0.7rem;
  color: #9a9ab0;
  cursor: pointer;
  transition: all 0.15s;
}

.mp-nav-item.active {
  background: rgba(168,85,247,0.15);
  color: #a855f7;
  border-left: 2px solid #a855f7;
}

.mp-main {
  flex: 1;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mp-stat-row { display: flex; gap: 0.75rem; }
.mp-stat { text-align: center; flex: 1; }
.mp-stat-val { display: block; font-size: 1.1rem; font-weight: 700; color: #a855f7; }
.mp-stat-lbl { font-size: 0.6rem; color: #6b6b80; }

.mp-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 60px;
  flex: 1;
}

.mp-chart-bar {
  flex: 1;
  background: linear-gradient(to top, #a855f7, #22d3ee);
  border-radius: 3px 3px 0 0;
  opacity: 0.8;
}

.mp-dns-row { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.mp-dns-chip {
  font-size: 0.6rem;
  padding: 0.2rem 0.45rem;
  border-radius: 99px;
  font-weight: 700;
  background: rgba(34,197,94,0.15);
  color: #22c55e;
  border: 1px solid rgba(34,197,94,0.3);
}

.mock-webmail {
  background: #0d0d1a;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}

@media (prefers-color-scheme: light) {
  .mock-webmail { background: #1a1a2e; }
}

.mock-webmail-body { display: flex; min-height: 220px; }

.wm-sidebar {
  width: 105px;
  padding: 0.75rem 0.4rem;
  background: rgba(0,0,0,0.2);
  border-right: 1px solid rgba(255,255,255,0.05);
  flex-shrink: 0;
}

.wm-compose-btn {
  background: linear-gradient(135deg,#a855f7,#22d3ee);
  color:#fff;
  font-size: 0.65rem;
  font-weight:600;
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
  margin-bottom: 0.75rem;
  text-align:center;
}

.wm-folder {
  display:flex;
  justify-content:space-between;
  padding: 0.35rem 0.4rem;
  font-size: 0.68rem;
  color:#9a9ab0;
  border-radius:5px;
}
.wm-folder.active { background:rgba(168,85,247,0.15); color:#a855f7; }
.wm-badge {
  background:#a855f7;
  color:#fff;
  border-radius:99px;
  font-size:0.55rem;
  padding:0.1rem 0.3rem;
  font-weight:700;
}

.wm-list {
  width: 115px;
  border-right: 1px solid rgba(255,255,255,0.05);
  flex-shrink:0;
}

.wm-email {
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  display:flex;
  flex-direction:column;
  gap:0.15rem;
}
.wm-email.selected { background: rgba(168,85,247,0.1); }
.wm-from { font-size:0.68rem; font-weight:600; color:#e8e8f0; }
.wm-subject { font-size:0.62rem; color:#6b6b80; }

.wm-preview { flex:1; padding:0.65rem; }
.wm-preview-header { font-size:0.75rem; font-weight:600; color:#e8e8f0; margin-bottom:0.5rem; }
.wm-preview-body { display:flex; flex-direction:column; gap:0.4rem; }
.wm-line { height:6px; background:rgba(255,255,255,0.08); border-radius:3px; }

.mock-infra {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem;
  background: rgba(0,0,0,0.2);
  border-radius: var(--radius-md);
  min-height: 220px;
  justify-content: center;
}

.infra-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid;
  min-width: 110px;
}

.infra-node.primary {
  border-color: rgba(168,85,247,0.4);
  background: rgba(168,85,247,0.1);
}

.infra-node.secondary {
  border-color: rgba(34,211,238,0.3);
  background: rgba(34,211,238,0.07);
}

.infra-icon { font-size: 1.5rem; }
.infra-label { font-size: 0.78rem; font-weight: 700; color: #e8e8f0; }
.infra-sub { font-size: 0.65rem; color: #6b6b80; }

.infra-row { display:flex; gap:1rem; }
.infra-arrows { color: #6b6b80; font-size: 1.2rem; }
.infra-arrow-v { text-align: center; }

.infra-chip {
  font-size: 0.65rem;
  padding: 0.25rem 0.6rem;
  background: rgba(34,197,94,0.12);
  border: 1px solid rgba(34,197,94,0.3);
  color: #22c55e;
  border-radius: 99px;
  font-weight: 700;
}

.project-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.highlight {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  transition: transform var(--t-med), box-shadow var(--t-med);
}

.highlight:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.highlight-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }

.highlight strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 0.2rem;
}

.highlight p {
  font-size: 0.8rem;
  color: var(--c-text-2);
  line-height: 1.5;
}

.tech-stack-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tech-chip {
  padding: 0.3rem 0.75rem;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--glass-bg-2);
  border: 1px solid var(--glass-border);
  color: var(--c-text-2);
  transition: all var(--t-fast);
}

.tech-chip:hover {
  background: rgba(168,85,247,0.15);
  border-color: var(--c-purple);
  color: var(--c-purple);
}

.project-cta { margin-top: 0.5rem; }

.bz-visual {
  border-radius: var(--radius-lg);
  margin-bottom: 2rem;
  overflow: hidden;
  padding: 0;
}

.bz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--glass-border);
  background: rgba(0,0,0,0.2);
}

.bz-logo-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  background: var(--grad-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bz-model-tabs {
  display: flex;
  gap: 0.35rem;
}

.bz-tab {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  color: var(--c-text-3);
  border: 1px solid var(--glass-border);
  transition: all var(--t-fast);
}

.bz-tab.active {
  background: var(--grad-primary);
  color: #fff;
  border-color: transparent;
}

.bz-chat {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-height: 280px;
  overflow-y: auto;
}

.bz-msg {
  padding: 0.65rem 0.9rem;
  border-radius: 12px;
  font-size: 0.82rem;
  max-width: 85%;
  line-height: 1.5;
}

.bz-msg.user {
  background: linear-gradient(135deg, rgba(168,85,247,0.3), rgba(34,211,238,0.15));
  border: 1px solid rgba(168,85,247,0.25);
  align-self: flex-end;
  color: var(--c-text);
}

.bz-msg.ai {
  background: var(--glass-bg-2);
  border: 1px solid var(--glass-border);
  align-self: flex-start;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.bz-model-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--c-cyan);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.bz-router-badge {
  font-size: 0.72rem;
  color: var(--c-amber);
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.25);
  padding: 0.3rem 0.75rem;
  border-radius: 99px;
  align-self: center;
}

.bz-code-block {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-family: 'Courier New', monospace;
  font-size: 0.78rem;
  background: rgba(0,0,0,0.3);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
}

.bz-code-line { display: block; }
.bz-text-lines { display: flex; flex-direction: column; gap: 0.4rem; }
.bz-line { height: 8px; background: var(--glass-border); border-radius: 3px; }

.bz-input-bar {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--glass-border);
  align-items: center;
}

.bz-input-mock {
  flex: 1;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--glass-border);
  border-radius: 99px;
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  color: var(--c-text-3);
}

.bz-send {
  width: 32px; height: 32px;
  background: var(--grad-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
}

.subsection-title {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--c-text);
  letter-spacing: -0.02em;
}

.other-projects-intro {
  color: var(--c-text-2);
  margin-bottom: 1.5rem;
}

.other-projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.other-project-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-fast);
  border: 1px solid var(--glass-border);
  position: relative;
}

.other-project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
  border-color: var(--c-purple);
}

.opc-icon { font-size: 2rem; flex-shrink: 0; }

.opc-content { flex: 1; }

.opc-content h4 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 0.35rem;
}

.opc-content p {
  font-size: 0.82rem;
  color: var(--c-text-2);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.opc-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: 99px;
  background: rgba(168,85,247,0.1);
  border: 1px solid rgba(168,85,247,0.25);
  color: var(--c-purple);
  margin-right: 0.3rem;
}

.opc-arrow {
  font-size: 1.2rem;
  color: var(--c-text-3);
  transition: color var(--t-fast), transform var(--t-fast);
  flex-shrink: 0;
}

.other-project-card:hover .opc-arrow {
  color: var(--c-purple);
  transform: translate(2px, -2px);
}

.skills-section { background: var(--c-surface); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1.25rem;
}

.skill-category {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  transition: transform var(--t-med), box-shadow var(--t-med);
}

.skill-category:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.skill-cat-icon { font-size: 1.5rem; }

.skill-cat-header h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-text);
  flex: 1;
}

.skill-level {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
}

.skill-level.expert {
  background: rgba(168,85,247,0.15);
  border: 1px solid rgba(168,85,247,0.3);
  color: var(--c-purple);
}

.skill-level.high {
  background: rgba(34,211,238,0.12);
  border: 1px solid rgba(34,211,238,0.3);
  color: var(--c-cyan);
}

.skill-level.intermediate {
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.3);
  color: var(--c-amber);
}

.skill-bars { display: flex; flex-direction: column; gap: 0.9rem; }

.skill-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-text-2);
  margin-bottom: 0.4rem;
}

.skill-bar-track {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 99px;
  overflow: hidden;
}

@media (prefers-color-scheme: light) {
  .skill-bar-track { background: rgba(0,0,0,0.08); }
}

.skill-bar-fill {
  height: 100%;
  width: 0;
  background: var(--grad-primary);
  border-radius: 99px;
  transition: width 1.2s cubic-bezier(0.34,1,0.64,1);
}

.skill-bar-fill.animated { width: var(--w); }

.skill-cat-note {
  font-size: 0.8rem;
  color: var(--c-text-3);
  margin-top: 1rem;
  line-height: 1.5;
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.3rem 0.75rem;
  border-radius: 99px;
  background: var(--glass-bg-2);
  border: 1px solid var(--glass-border);
  color: var(--c-text-2);
  transition: all var(--t-fast);
}

.skill-tag:hover {
  background: rgba(168,85,247,0.12);
  border-color: var(--c-purple);
  color: var(--c-purple);
}

.contact-section { background: var(--c-bg); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-text p {
  font-size: 1.05rem;
  color: var(--c-text-2);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.contact-email-btn {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  transition: all var(--t-med);
}

.contact-email-btn:hover {
  transform: translateY(-4px);
  border-color: var(--c-purple);
  box-shadow: 0 12px 40px var(--c-purple-glow);
}

.contact-email-icon { font-size: 2rem; }

.contact-email-text { flex: 1; }

.contact-email-label {
  display: block;
  font-size: 0.78rem;
  color: var(--c-text-3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.contact-email-addr {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-head);
}

.contact-arrow {
  font-size: 1.4rem;
  color: var(--c-text-3);
  transition: color var(--t-fast), transform var(--t-fast);
}

.contact-email-btn:hover .contact-arrow {
  color: var(--c-purple);
  transform: translate(3px, -3px);
}

.footer {
  padding-block: 2.5rem;
  border-top: 1px solid var(--c-border);
  background: var(--c-surface);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo { font-size: 1.25rem; }

.footer-copy {
  font-size: 0.82rem;
  color: var(--c-text-3);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-link {
  font-size: 0.82rem;
  color: var(--c-text-3);
  transition: color var(--t-fast);
}

.footer-link:hover { color: var(--c-purple); }

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

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.34,1,0.64,1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (max-width: 900px) {
  :root { --section-pad: 80px; }

  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-inline: 1.5rem;
  }

  .hero-content { order: 1; }
  .hero-visual { order: 2; }

  .hero-badge { margin-inline: auto; }
  .hero-desc { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }

  .about-grid { grid-template-columns: 1fr; }
  .about-cards { grid-template-columns: 1fr 1fr; }

  .contact-inner { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}

@media (max-width: 640px) {
  :root { --section-pad: 60px; }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    inset-inline: 0;
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    gap: 1.5rem;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform var(--t-med), opacity var(--t-med);
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-toggle { display: flex; }

  .about-cards { grid-template-columns: 1fr; }
  .project-feature { padding: 1.5rem; }
  .skills-grid { grid-template-columns: 1fr; }
  .project-highlights { grid-template-columns: 1fr; }
  .other-projects-grid { grid-template-columns: 1fr; }

  .section-title { margin-bottom: 2rem; }

  .hero-stats { flex-wrap: wrap; gap: 1rem; }

  .mock-webmail-body { flex-direction: column; }
  .wm-sidebar { width: 100%; min-height: unset; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .wm-list { width: 100%; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.05); }
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 20, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1.5rem;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  width: min(600px, 100%);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem 2rem 2rem;
  position: relative;
  max-height: 85vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.modal-overlay.open .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: 1.75rem;
  color: var(--c-text-2);
  transition: color var(--t-fast);
}

.modal-close:hover {
  color: var(--c-purple);
}

.modal-title {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--c-text);
}

.modal-body {
  font-size: 0.92rem;
  color: var(--c-text-2);
  line-height: 1.6;
}

.modal-body h4 {
  color: var(--c-text);
  margin-top: 1.25rem;
  margin-bottom: 0.4rem;
  font-family: var(--font-head);
  font-size: 1.05rem;
}

.modal-body p {
  margin-bottom: 1rem;
}

.modal-body a {
  color: var(--c-purple);
  font-weight: 600;
  text-decoration: underline;
}