/* =========================================================================
   Eshwar Adduri — Portfolio
   style.css
   -------------------------------------------------------------------------
   1.  Design tokens (dark + light)
   2.  Reset & base
   3.  Typography & utilities
   4.  Buttons & chips
   5.  Preloader / scroll progress / ambient background
   6.  Navbar
   7.  Hero (+ terminal signature)
   8.  Marquee
   9.  Sections & headings
   10. About
   11. Skills
   12. Experience timeline
   13. Projects
   14. Contact
   15. Footer, scroll-to-top, toast
   16. Reveal animations
   17. Responsive
   ========================================================================= */

/* =========================================================================
   1. DESIGN TOKENS
   ========================================================================= */
:root {
  /* Brand accents — shared across themes */
  --cyan:        #4CC9F0;
  --violet:      #A06BFF;
  --mint:        #3DDC97;
  --amber:       #FFB454;
  --rose:        #FF6B7A;

  /* Type */
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --fs-xs:   0.75rem;
  --fs-sm:   0.85rem;
  --fs-base: 1rem;
  --fs-lg:   1.075rem;
  --fs-xl:   1.35rem;
  --fs-2xl:  clamp(1.5rem, 2.4vw, 1.9rem);
  --fs-3xl:  clamp(1.9rem, 4vw, 2.9rem);
  --fs-hero: clamp(2.6rem, 7vw, 4.9rem);

  /* Space */
  --s-1: 4px;   --s-2: 8px;   --s-3: 12px;  --s-4: 16px;
  --s-5: 24px;  --s-6: 32px;  --s-7: 48px;  --s-8: 64px;
  --s-9: 96px;  --s-10: 128px;

  /* Radius */
  --r-sm: 8px;  --r-md: 14px;  --r-lg: 20px;  --r-xl: 28px;  --r-full: 999px;

  /* Motion */
  --t-fast: 160ms cubic-bezier(0.22, 1, 0.36, 1);
  --t-mid:  320ms cubic-bezier(0.22, 1, 0.36, 1);
  --t-slow: 620ms cubic-bezier(0.22, 1, 0.36, 1);

  --maxw: 1240px;
}

/* ---------- Dark (default) ---------- */
[data-theme="dark"] {
  --bg:          #070A12;
  --bg-2:        #0B101C;
  --surface:     rgba(255, 255, 255, 0.035);
  --surface-2:   rgba(255, 255, 255, 0.06);
  --surface-sol: #0E1424;
  --line:        rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text:        #E8EDF7;
  --text-2:      #A7B2C6;
  --muted:       #6E7B93;
  --accent:      var(--cyan);
  --accent-2:    var(--violet);
  --on-accent:   #04121A;
  --glow:        rgba(76, 201, 240, 0.16);
  --shadow:      0 24px 60px -24px rgba(0, 0, 0, 0.85);
  --grid-line:   rgba(255, 255, 255, 0.035);
}

/* ---------- Light ---------- */
[data-theme="light"] {
  --bg:          #F6F7FB;
  --bg-2:        #FFFFFF;
  --surface:     #FFFFFF;
  --surface-2:   #F0F2F8;
  --surface-sol: #FFFFFF;
  --line:        rgba(16, 24, 40, 0.10);
  --line-strong: rgba(16, 24, 40, 0.20);
  --text:        #0E1526;
  --text-2:      #47536B;
  --muted:       #6B7688;
  --accent:      #0B84B0;
  --accent-2:    #6E3FD3;
  --on-accent:   #FFFFFF;
  --glow:        rgba(11, 132, 176, 0.14);
  --shadow:      0 20px 44px -22px rgba(16, 24, 40, 0.30);
  --grid-line:   rgba(16, 24, 40, 0.045);
}

/* =========================================================================
   2. RESET & BASE
   ========================================================================= */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--t-mid), color var(--t-mid);
}

body.nav-open { overflow: hidden; }

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

a { color: inherit; text-decoration: none; }

button, input, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

button { cursor: pointer; }

ul { list-style: none; }

::selection { background: var(--accent); color: var(--on-accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: -60px;
  left: var(--s-4);
  z-index: 2000;
  padding: 11px 20px;
  border-radius: var(--r-full);
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.85rem;
  font-weight: 600;
  transition: top var(--t-mid);
}

.skip-link:focus { top: var(--s-4); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: var(--r-full);
  border: 3px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* =========================================================================
   3. TYPOGRAPHY & UTILITIES
   ========================================================================= */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.02em;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--s-5);
}

.grad-text {
  background: linear-gradient(100deg, var(--accent) 0%, var(--accent-2) 70%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 0 rgba(61, 220, 151, 0.6);
  animation: pulse 2.4s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0.55); }
  70%  { box-shadow: 0 0 0 10px rgba(61, 220, 151, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0); }
}

/* =========================================================================
   4. BUTTONS & CHIPS
   ========================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 14px 26px;
  border-radius: var(--r-full);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform var(--t-fast), box-shadow var(--t-mid),
              background var(--t-mid), border-color var(--t-mid);
  white-space: nowrap;
}

.btn i { font-size: 0.85em; }

.btn-primary {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  box-shadow: 0 10px 30px -12px var(--glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -14px var(--glow);
}

.btn-primary:disabled { opacity: 0.6; cursor: wait; transform: none; }

.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: var(--surface);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

.btn-block { width: 100%; }

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}

.chip {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.01em;
  transition: all var(--t-fast);
}

.chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* =========================================================================
   5. PRELOADER / PROGRESS / BACKGROUND
   ========================================================================= */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity var(--t-slow), visibility var(--t-slow);
}

.preloader.done { opacity: 0; visibility: hidden; }

.preloader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-4);
}

.preloader-mark {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.preloader-bar {
  width: 190px;
  height: 3px;
  border-radius: var(--r-full);
  background: var(--surface-2);
  overflow: hidden;
}

.preloader-bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: var(--r-full);
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 220ms ease-out;
}

.preloader-label { color: var(--muted); }

.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  z-index: 1200;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.bg-grid {
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 40%, transparent 100%);
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.4;
}

.orb-a {
  width: 620px; height: 620px;
  top: -220px; right: -160px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 68%);
  animation: drift 22s ease-in-out infinite alternate;
}

.orb-b {
  width: 520px; height: 520px;
  top: 44%; left: -220px;
  background: radial-gradient(circle, var(--accent-2) 0%, transparent 68%);
  animation: drift 28s ease-in-out infinite alternate-reverse;
}

[data-theme="light"] .bg-orb { opacity: 0.22; }

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(40px, 60px, 0) scale(1.12); }
}

.bg-noise {
  position: absolute;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =========================================================================
   6. NAVBAR
   ========================================================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: var(--s-4) 0;
  transition: all var(--t-mid);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  padding: 10px 0;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}

.nav-container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--s-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--font-display);
  font-weight: 600;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 11px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  flex-shrink: 0;
}

.logo-text { font-size: 0.98rem; letter-spacing: -0.01em; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--s-6);
}

.nav-link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--t-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width var(--t-mid);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--r-full);
  border: 1px solid var(--line-strong);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  transition: all var(--t-fast);
}

.nav-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-2);
  transition: all var(--t-fast);
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: rotate(-18deg);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 0 9px;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--text);
  transition: transform var(--t-mid), opacity var(--t-fast);
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================================
   7. HERO
   ========================================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--s-8);
  align-items: center;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 7px 15px;
  margin-bottom: var(--s-5);
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-2);
}

.hero-title {
  font-size: var(--fs-hero);
  font-weight: 700;
  letter-spacing: -0.045em;
  margin-bottom: var(--s-3);
}

.hero-role {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  min-height: 2.2rem;
  margin-bottom: var(--s-5);
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2vw, 1.25rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--accent);
}

.role-prefix { color: var(--muted); font-size: inherit; }

.role-caret {
  display: inline-block;
  width: 9px; height: 1.15em;
  background: var(--accent-2);
  border-radius: 1px;
  animation: blink 1.05s steps(2, start) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.hero-lead {
  max-width: 58ch;
  margin-bottom: var(--s-6);
  font-size: var(--fs-lg);
  color: var(--text-2);
}

.hero-lead strong { color: var(--text); font-weight: 600; }

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  margin-bottom: var(--s-7);
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-6);
  padding: var(--s-5) 0;
  margin-bottom: var(--s-5);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-metric { display: flex; flex-direction: column; gap: 2px; }

.metric-value {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text);
}

.metric-label {
  font-size: var(--fs-xs);
  color: var(--muted);
  letter-spacing: 0.01em;
}

.social-links { display: flex; gap: var(--s-3); }

.social-links a {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-2);
  font-size: 1rem;
  transition: all var(--t-fast);
}

.social-links a:hover {
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  transform: translateY(-4px);
}

/* ---------- Terminal (signature element) ---------- */
.hero-visual { position: relative; }

.terminal {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--surface-sol);
  box-shadow: var(--shadow);
  overflow: hidden;
  z-index: 2;
}

.terminal::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, var(--glow), transparent 55%);
  pointer-events: none;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px var(--s-4);
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.terminal-bar .dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  display: inline-block;
}

.dot.red   { background: var(--rose); }
.dot.amber { background: var(--amber); }
.dot.green { background: var(--mint); }

.terminal-title {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.7rem;
}

.terminal-body {
  padding: var(--s-5);
  font-size: 0.79rem;
  line-height: 2.05;
  color: var(--text-2);
  min-height: 236px;
}

.term-line {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 380ms ease, transform 380ms ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.term-line.visible { opacity: 1; transform: none; }

.t-prompt { color: var(--accent-2); font-weight: 600; }
.t-ok     { color: var(--mint); font-weight: 600; }
.t-dim    { color: var(--muted); }
.t-hi     { color: var(--accent); font-weight: 600; }

.term-cursor {
  display: inline-block;
  width: 8px; height: 1em;
  vertical-align: -2px;
  background: var(--accent);
  animation: blink 1.05s steps(2, start) infinite;
}

.float-chip {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-sol) 85%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-2);
  box-shadow: var(--shadow);
  animation: bob 7s ease-in-out infinite;
}

.float-chip i { color: var(--accent); }

.chip-1 { top: -20px;  left: -26px; animation-delay: 0s; }
.chip-2 { top: 28%;    right: -34px; animation-delay: 1.4s; }
.chip-3 { bottom: 16%; left: -40px; animation-delay: 2.8s; }
.chip-4 { bottom: -22px; right: 8%;  animation-delay: 4.2s; }

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

.scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  transition: color var(--t-fast);
}

.scroll-hint:hover { color: var(--accent); }
.scroll-hint i { animation: bob 2.6s ease-in-out infinite; }

/* =========================================================================
   8. MARQUEE
   ========================================================================= */
.marquee {
  position: relative;
  overflow: hidden;
  padding: var(--s-4) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  width: max-content;
  animation: scroll-x 42s linear infinite;
}

.marquee-track span {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted);
  white-space: nowrap;
}

@keyframes scroll-x {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =========================================================================
   9. SECTIONS
   ========================================================================= */
.section { padding: var(--s-9) 0; position: relative; }

.section-head { max-width: 760px; margin-bottom: var(--s-7); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  margin-bottom: var(--s-3);
  color: var(--accent);
  text-transform: lowercase;
  letter-spacing: 0.14em;
}

.eyebrow::before {
  content: '';
  width: 26px; height: 1px;
  background: var(--accent);
}

.section-title {
  font-size: var(--fs-3xl);
  letter-spacing: -0.035em;
  margin-bottom: var(--s-3);
}

.section-sub {
  font-size: var(--fs-lg);
  color: var(--text-2);
  max-width: 60ch;
}

/* Shared cursor-spotlight surface */
.skill-card, .project-card, .stat-card, .tl-card, .cert-card {
  position: relative;
  isolation: isolate;
}

.skill-card::before,
.project-card::before,
.stat-card::before,
.tl-card::before,
.cert-card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--t-mid);
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%),
              var(--glow), transparent 62%);
}

.skill-card:hover::before,
.project-card:hover::before,
.stat-card:hover::before,
.tl-card:hover::before,
.cert-card:hover::before { opacity: 1; }

/* =========================================================================
   10. ABOUT
   ========================================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--s-7);
  align-items: start;
}

.about-lead {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: var(--s-4);
}

.about-main p {
  color: var(--text-2);
  margin-bottom: var(--s-4);
}

.focus-block {
  margin-top: var(--s-6);
  padding: var(--s-5);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--surface);
}

.focus-title {
  color: var(--accent);
  text-transform: lowercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--s-4);
}

.focus-bar { margin-bottom: var(--s-4); }
.focus-bar:last-child { margin-bottom: 0; }

.focus-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--s-3);
  margin-bottom: 7px;
  font-size: 0.87rem;
  color: var(--text-2);
}

.focus-meta .mono { color: var(--text); }

.focus-track {
  height: 6px;
  border-radius: var(--r-full);
  background: var(--surface-2);
  overflow: hidden;
}

.focus-fill {
  height: 100%;
  width: 0;
  border-radius: var(--r-full);
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 1100ms cubic-bezier(0.22, 1, 0.36, 1);
}

.about-side {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-3);
}

.stat-card {
  padding: var(--s-5) var(--s-4);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform var(--t-mid), border-color var(--t-mid);
}

.stat-card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
}

.stat-value {
  display: block;
  font-size: 1.85rem;
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.1;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-xs);
  color: var(--muted);
  line-height: 1.45;
}

.cert-card {
  grid-column: 1 / -1;
  padding: var(--s-5);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface);
}

.cert-card h3 {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 1rem;
  margin-bottom: var(--s-4);
}

.cert-card h3 i { color: var(--accent); }

.cert-card li {
  padding-left: var(--s-4);
  margin-bottom: var(--s-3);
  border-left: 2px solid var(--line);
}

.cert-card li:last-child { margin-bottom: 0; }

.cert-card li strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
}

.cert-card li span {
  font-size: var(--fs-xs);
  color: var(--muted);
}

/* =========================================================================
   11. SKILLS
   ========================================================================= */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--s-4);
}

.skill-card {
  padding: var(--s-5);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform var(--t-mid), border-color var(--t-mid), box-shadow var(--t-mid);
}

.skill-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.skill-icon {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  margin-bottom: var(--s-4);
  border-radius: 13px;
  font-size: 1.1rem;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
}

.skill-card h3 {
  font-size: 1.08rem;
  margin-bottom: 6px;
}

.skill-note {
  font-size: 0.87rem;
  color: var(--muted);
  margin-bottom: var(--s-4);
  line-height: 1.55;
}

/* =========================================================================
   12. EXPERIENCE TIMELINE
   ========================================================================= */
.timeline { display: flex; flex-direction: column; gap: var(--s-5); }

.tl-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: var(--s-4);
}

.tl-rail { position: relative; display: flex; justify-content: center; }

.tl-rail::before {
  content: '';
  position: absolute;
  top: 26px; bottom: -34px;
  width: 1px;
  background: linear-gradient(180deg, var(--line-strong), transparent);
}

.tl-item:last-child .tl-rail::before { display: none; }

.tl-dot {
  position: relative;
  z-index: 1;
  margin-top: 18px;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 2px solid var(--line-strong);
}

.tl-dot.active {
  background: var(--accent);
  border-color: transparent;
  box-shadow: 0 0 0 5px var(--glow);
}

.tl-card {
  padding: var(--s-6);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  transition: border-color var(--t-mid), box-shadow var(--t-mid);
}

.tl-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.tl-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--s-3);
  margin-bottom: var(--s-4);
}

.tl-head h3 { font-size: 1.28rem; margin-bottom: 4px; }
.tl-sep { color: var(--accent); font-weight: 400; }

.tl-company {
  font-size: 0.92rem;
  color: var(--text-2);
  font-weight: 500;
}

.tl-dates {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  flex-wrap: wrap;
}

.tl-duration {
  padding: 5px 12px;
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--text-2);
  white-space: nowrap;
}

.tag-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--mint);
  background: color-mix(in srgb, var(--mint) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--mint) 30%, transparent);
}

.tag-live::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mint);
  animation: blink 1.6s ease-in-out infinite;
}

.tl-summary {
  color: var(--text-2);
  margin-bottom: var(--s-5);
  max-width: 78ch;
}

.impact-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  margin-bottom: var(--s-5);
}

.impact {
  flex: 1 1 170px;
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.impact span {
  display: block;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.impact small {
  display: block;
  margin-top: 2px;
  font-size: var(--fs-xs);
  color: var(--muted);
}

.tl-group {
  margin: var(--s-5) 0 var(--s-3);
  padding-bottom: var(--s-2);
  border-bottom: 1px solid var(--line);
  color: var(--accent-2);
  text-transform: lowercase;
  letter-spacing: 0.14em;
  font-weight: 600;
}

.tl-list { margin-bottom: var(--s-4); }

.tl-list li {
  position: relative;
  padding-left: var(--s-5);
  margin-bottom: var(--s-3);
  color: var(--text-2);
  font-size: 0.95rem;
}

.tl-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.62em;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.tl-list li strong { color: var(--text); font-weight: 600; }

.tl-tech { margin-top: var(--s-5); }

/* =========================================================================
   13. PROJECTS
   ========================================================================= */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-bottom: var(--s-6);
}

.filter-btn {
  padding: 9px 18px;
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--t-fast);
}

.filter-btn:hover { color: var(--text); border-color: var(--line-strong); }

.filter-btn.active {
  color: var(--on-accent);
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  border-color: transparent;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--s-4);
}

.project-card {
  display: flex;
  flex-direction: column;
  padding: var(--s-5);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform var(--t-mid), border-color var(--t-mid),
              box-shadow var(--t-mid), opacity var(--t-mid);
}

.project-card:hover {
  transform: translateY(-7px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.project-card.hidden {
  display: none;
}

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--s-4);
}

.project-kind {
  padding: 4px 11px;
  border-radius: var(--r-full);
  border: 1px solid color-mix(in srgb, var(--accent-2) 30%, transparent);
  background: color-mix(in srgb, var(--accent-2) 12%, transparent);
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.63rem;
}

.project-num {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--line-strong);
  letter-spacing: -0.04em;
}

.project-links {
  position: absolute;
  top: var(--s-5);
  right: var(--s-5);
}

.project-card:has(.project-links) .project-num { visibility: hidden; }

.project-links a {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--text-2);
  transition: all var(--t-fast);
}

.project-links a:hover {
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  transform: translateY(-2px);
}

.project-card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--s-3);
}

.project-card > p {
  font-size: 0.92rem;
  color: var(--text-2);
  margin-bottom: var(--s-4);
}

.project-points { margin-bottom: var(--s-4); }

.project-points li {
  position: relative;
  padding-left: var(--s-4);
  margin-bottom: 7px;
  font-size: 0.85rem;
  color: var(--muted);
}

.project-points li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.project-card .chip-row { margin-top: auto; }

/* =========================================================================
   14. CONTACT
   ========================================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: var(--s-6);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.contact-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-4);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface);
  transition: all var(--t-fast);
}

.contact-item:hover {
  border-color: var(--accent);
  transform: translateX(5px);
}

.ci-icon {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
}

.ci-body { display: flex; flex-direction: column; min-width: 0; }

.ci-body strong {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  font-weight: 600;
}

.ci-body span {
  font-size: 0.94rem;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
}

.copy-btn {
  margin-left: auto;
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  flex-shrink: 0;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  color: var(--muted);
  transition: all var(--t-fast);
}

.copy-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.availability {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin-top: var(--s-2);
  padding: var(--s-4);
  border-radius: var(--r-md);
  border: 1px dashed color-mix(in srgb, var(--mint) 40%, transparent);
  background: color-mix(in srgb, var(--mint) 8%, transparent);
  font-size: 0.87rem;
  color: var(--text-2);
}

.contact-form {
  padding: var(--s-6);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.field { position: relative; margin-bottom: var(--s-4); }

.field input,
.field textarea {
  width: 100%;
  padding: 22px var(--s-4) 10px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--text);
  font-size: 0.94rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  resize: vertical;
}

.field textarea { min-height: 130px; line-height: 1.6; }

.field label {
  position: absolute;
  left: var(--s-4);
  top: 16px;
  font-size: 0.94rem;
  color: var(--muted);
  pointer-events: none;
  transition: all var(--t-fast);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--glow);
}

.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  top: 7px;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.btn.sending { pointer-events: none; }

/* =========================================================================
   15. FOOTER / SCROLL TOP / TOAST
   ========================================================================= */
.footer {
  padding: var(--s-6) 0;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.footer-brand div { display: flex; flex-direction: column; }
.footer-brand strong { font-family: var(--font-display); font-size: 0.98rem; }
.footer-brand span { font-size: var(--fs-xs); color: var(--muted); }

.footer-note { color: var(--muted); }

.footer-social { display: flex; gap: var(--s-2); }

.footer-social a {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  color: var(--text-2);
  transition: all var(--t-fast);
}

.footer-social a:hover {
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  transform: translateY(-3px);
}

.scroll-to-top {
  position: fixed;
  right: 26px; bottom: 26px;
  z-index: 900;
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: var(--r-full);
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 30px -10px var(--glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: all var(--t-mid);
}

.scroll-to-top.show { opacity: 1; visibility: visible; transform: none; }
.scroll-to-top:hover { transform: translateY(-4px); }

.toast {
  position: fixed;
  left: 50%; bottom: 34px;
  z-index: 1500;
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: 13px 22px;
  border-radius: var(--r-full);
  border: 1px solid var(--line-strong);
  background: var(--surface-sol);
  box-shadow: var(--shadow);
  font-size: 0.9rem;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 20px);
  transition: all var(--t-mid);
  max-width: calc(100vw - 40px);
}

.toast.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.toast.success i { color: var(--mint); }
.toast.error i { color: var(--rose); }

/* =========================================================================
   16. REVEAL
   ========================================================================= */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}

.reveal.in { opacity: 1; transform: none; }

/* =========================================================================
   17. RESPONSIVE
   ========================================================================= */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--s-7); }
  .hero-visual { max-width: 560px; }
  .about-grid { grid-template-columns: 1fr; }
  .float-chip { display: none; }
  .chip-2, .chip-4 { display: none; }
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
  .logo-text { display: none; }

  .hamburger { display: flex; }

  .nav-menu {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(320px, 82vw);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--s-5);
    padding: var(--s-8) var(--s-6);
    background: var(--bg-2);
    border-left: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateX(105%);
    transition: transform var(--t-mid);
  }

  .nav-menu.open { transform: none; }
  .nav-link { font-size: 1.15rem; font-family: var(--font-display); }
  .nav-cta { margin-top: var(--s-3); }
}

@media (max-width: 720px) {
  .section { padding: var(--s-8) 0; }
  .hero { padding: 120px 0 70px; min-height: auto; }
  .hero-metrics { gap: var(--s-5); }
  .metric-value { font-size: 1.45rem; }
  .about-side { grid-template-columns: repeat(2, 1fr); }
  .tl-item { grid-template-columns: 22px 1fr; gap: var(--s-3); }
  .tl-card { padding: var(--s-5) var(--s-4); }
  .tl-head { flex-direction: column; }
  .projects-grid,
  .skills-grid { grid-template-columns: 1fr; }
  .scroll-hint { display: none; }
  .footer-inner { justify-content: center; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--s-4); }
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .hero-metrics { flex-direction: column; gap: var(--s-4); }
  .about-side { grid-template-columns: 1fr; }
  .terminal-body { font-size: 0.68rem; padding: var(--s-4); }
  .impact { flex: 1 1 100%; }
  .contact-form { padding: var(--s-5) var(--s-4); }
  .filter-btn { padding: 8px 14px; font-size: 0.8rem; }
}

/* =========================================================================
   ACCESSIBILITY — reduced motion
   ========================================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal { opacity: 1; transform: none; }
  .term-line { opacity: 1; transform: none; }
}

/* =========================================================================
   PRINT
   ========================================================================= */
@media print {
  .navbar, .preloader, .bg-layer, .scroll-to-top, .toast,
  .marquee, .scroll-hint, .filter-bar, .contact-form { display: none !important; }

  body { background: #fff; color: #000; }
  .section { padding: 20px 0; page-break-inside: avoid; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* =========================================================================
   18. WRITING / CASE STUDIES
   ========================================================================= */

/* ---------- Cards on the homepage ---------- */
.writing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--s-4);
}

.write-card {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  padding: var(--s-5);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform var(--t-mid), border-color var(--t-mid), box-shadow var(--t-mid);
}

.write-card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--t-mid);
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%),
              var(--glow), transparent 62%);
}

.write-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.write-card:hover::before { opacity: 1; }

.write-meta {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin-bottom: var(--s-3);
  color: var(--muted);
}

.write-meta .dot-sep { opacity: 0.5; }

.write-card h3 {
  font-size: 1.14rem;
  line-height: 1.35;
  margin-bottom: var(--s-3);
}

.write-card p {
  font-size: 0.92rem;
  color: var(--text-2);
  margin-bottom: var(--s-4);
}

.write-stat {
  display: inline-flex;
  align-items: baseline;
  gap: var(--s-2);
  margin-bottom: var(--s-4);
  padding: 8px 14px;
  border-radius: var(--r-sm);
  background: var(--surface-2);
  border: 1px solid var(--line);
}

.write-stat b {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent);
}

.write-stat span { font-size: var(--fs-xs); color: var(--muted); }

.write-more {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--t-fast);
}

.write-card:hover .write-more { gap: 13px; }

/* ---------- Article pages ---------- */
.article { padding: 130px 0 var(--s-9); }

.article-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--s-5);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--s-6);
  font-size: 0.87rem;
  color: var(--muted);
  transition: color var(--t-fast), gap var(--t-fast);
}

.back-link:hover { color: var(--accent); gap: 13px; }

.article-head { margin-bottom: var(--s-7); }

.article-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  margin-bottom: var(--s-4);
  color: var(--accent);
  text-transform: lowercase;
  letter-spacing: 0.14em;
}

.article-title {
  font-size: clamp(1.9rem, 4.6vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  margin-bottom: var(--s-4);
}

.article-standfirst {
  font-size: var(--fs-xl);
  line-height: 1.55;
  color: var(--text-2);
  font-weight: 300;
  margin-bottom: var(--s-5);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-4) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.article-body { font-size: 1.045rem; line-height: 1.78; }

.article-body h2 {
  font-size: 1.55rem;
  letter-spacing: -0.025em;
  margin: var(--s-8) 0 var(--s-4);
}

.article-body h3 {
  font-size: 1.15rem;
  margin: var(--s-6) 0 var(--s-3);
  color: var(--text);
}

.article-body p { color: var(--text-2); margin-bottom: var(--s-4); }

.article-body strong { color: var(--text); font-weight: 600; }

.article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.article-body ul, .article-body ol {
  margin: 0 0 var(--s-4) 0;
  padding-left: 0;
}

.article-body ol { counter-reset: li; }

.article-body li {
  position: relative;
  padding-left: var(--s-5);
  margin-bottom: var(--s-3);
  color: var(--text-2);
}

.article-body ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.72em;
  width: 6px; height: 6px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.article-body ol li::before {
  counter-increment: li;
  content: counter(li);
  position: absolute;
  left: 0; top: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
}

.article-body pre {
  padding: var(--s-4) var(--s-5);
  margin-bottom: var(--s-5);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface-sol);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.85;
  color: var(--text-2);
}

.article-body pre .c { color: var(--muted); }
.article-body pre .k { color: var(--accent-2); }
.article-body pre .v { color: var(--accent); }

.article-body :not(pre) > code {
  padding: 2px 7px;
  border-radius: 5px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  font-family: var(--font-mono);
  font-size: 0.83em;
  color: var(--accent);
}

.callout {
  display: flex;
  gap: var(--s-4);
  padding: var(--s-4) var(--s-5);
  margin: var(--s-5) 0;
  border-radius: var(--r-md);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.callout i { color: var(--accent); margin-top: 5px; }
.callout p { margin: 0; font-size: 0.95rem; }

.result-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--s-5) 0;
  font-size: 0.9rem;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

.result-table th,
.result-table td {
  padding: 12px var(--s-4);
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.result-table th {
  background: var(--surface-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
  font-weight: 600;
}

.result-table td { color: var(--text-2); }
.result-table tr:last-child td { border-bottom: none; }
.result-table td:first-child { color: var(--text); font-weight: 500; }
.result-table .good { color: var(--mint); font-family: var(--font-mono); }
.result-table .bad { color: var(--rose); font-family: var(--font-mono); }

.article-footer {
  margin-top: var(--s-8);
  padding-top: var(--s-6);
  border-top: 1px solid var(--line);
}

.article-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-5);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--surface);
}

.article-cta p { margin: 0; color: var(--text-2); font-size: 0.95rem; }
.article-cta strong { display: block; color: var(--text); font-family: var(--font-display); font-size: 1.05rem; }

@media (max-width: 720px) {
  .article { padding: 110px 0 var(--s-8); }
  .article-body { font-size: 0.98rem; }
  .result-table { font-size: 0.82rem; }
  .result-table th, .result-table td { padding: 10px var(--s-3); }
}