/* ==========================================================================
   Krishna Yadav — Solution Architect · Technology Advisor
   Premium SaaS aesthetic (Linear / Vercel / Stripe inspired)
   ========================================================================== */

:root {
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  --color-bg: #09090b;
  --color-bg-subtle: #0f0f12;
  --color-surface: rgba(255, 255, 255, 0.03);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.16);
  --color-text: #fafafa;
  --color-text-secondary: #a1a1aa;
  --color-text-tertiary: #71717a;
  --color-accent: #5e6ad2;
  --color-accent-bright: #7c86ff;
  --color-accent-muted: rgba(94, 106, 210, 0.12);
  --gradient-brand: linear-gradient(135deg, #5e6ad2 0%, #8b5cf6 50%, #22d3ee 100%);
  --gradient-text: linear-gradient(180deg, #fff 0%, rgba(255, 255, 255, 0.72) 100%);

  --header-h: 4rem;
  --max-w: 72rem;
  --section-y: clamp(4.5rem, 10vw, 7rem);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t: 0.3s var(--ease);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 20px 50px -12px rgba(94, 106, 210, 0.25);
}

[data-theme="light"] {
  --color-bg: #ffffff;
  --color-bg-subtle: #f4f4f5;
  --color-surface: rgba(0, 0, 0, 0.02);
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-hover: rgba(0, 0, 0, 0.14);
  --color-text: #09090b;
  --color-text-secondary: #52525b;
  --color-text-tertiary: #a1a1aa;
  --color-accent: #4f46e5;
  --color-accent-bright: #6366f1;
  --color-accent-muted: rgba(79, 70, 229, 0.08);
  --gradient-text: linear-gradient(180deg, #09090b 0%, #3f3f46 100%);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 0 1px rgba(0, 0, 0, 0.06), 0 20px 50px -12px rgba(79, 70, 229, 0.15);
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .orb { animation: none !important; }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--t), opacity var(--t), border-color var(--t), transform var(--t);
}

ul { list-style: none; margin: 0; padding: 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; top: -100%; left: 1rem; z-index: 300;
  padding: 0.65rem 1rem; background: var(--color-accent); color: #fff;
  border-radius: var(--radius-sm); font-weight: 600; font-size: 0.875rem;
}
.skip-link:focus { top: 1rem; }

.container {
  width: min(100% - 2rem, var(--max-w));
  margin-inline: auto;
}

.page-anchor {
  display: block;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Floating back to top */
.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--color-border-hover);
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--color-text);
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px) scale(0.92);
  transition: opacity var(--t), transform var(--t), visibility var(--t), border-color var(--t), box-shadow var(--t);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  border-color: var(--color-accent-bright);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px) scale(1);
}

.back-to-top:active {
  transform: translateY(0) scale(0.96);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--color-accent-bright);
  outline-offset: 2px;
}

/* Background */
.grid-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, black 20%, transparent 75%);
  opacity: 0.5;
}

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

.orb {
  position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.35;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 50vw; max-width: 520px; aspect-ratio: 1;
  top: -15%; left: 20%;
  background: rgba(94, 106, 210, 0.35);
}

.orb-2 {
  width: 40vw; max-width: 400px; aspect-ratio: 1;
  bottom: 20%; right: -5%;
  background: rgba(139, 92, 246, 0.2);
  animation-delay: -8s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -15px); }
}

main, .site-header, .site-footer { position: relative; z-index: 1; }

.glass {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  transition: background var(--t), border-color var(--t), box-shadow var(--t);
}

.site-header.is-scrolled {
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
}

.logo {
  display: flex; align-items: center; gap: 0.65rem;
  color: var(--color-text);
}

.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem;
  font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.05em;
  background: var(--gradient-brand); color: #fff;
  border-radius: 7px;
}

.logo-text {
  font-size: 0.9375rem; font-weight: 600; letter-spacing: -0.02em;
}

.nav-list { display: flex; gap: 0.125rem; }

.nav-list a {
  padding: 0.45rem 0.75rem;
  font-size: 0.8125rem; font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
}

.nav-list a:hover,
.nav-list a.is-active {
  color: var(--color-text);
  background: var(--color-accent-muted);
}

.header-actions { display: flex; align-items: center; gap: 0.5rem; }

.theme-toggle, .nav-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem;
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-surface); color: var(--color-text);
  cursor: pointer;
}

.theme-toggle:hover, .nav-toggle:hover { border-color: var(--color-border-hover); }

.theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

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

.nav-toggle-bar {
  display: block; width: 14px; height: 1.5px;
  background: currentColor; border-radius: 1px;
  transition: transform var(--t), opacity var(--t);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  font-family: inherit; font-size: 0.875rem; font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-sm); border: 1px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: transform 0.2s var(--ease), box-shadow var(--t), background var(--t), border-color var(--t);
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--color-text); color: var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
  color: var(--color-bg);
}

[data-theme="light"] .btn-primary {
  background: #09090b; color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-hover);
}

.btn-secondary:hover {
  background: var(--color-accent-muted);
  border-color: var(--color-border-hover);
}

.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.8125rem; }
.btn-lg { padding: 0.85rem 1.5rem; font-size: 0.9375rem; }
.btn-full { width: 100%; }

/* Hero */
.hero {
  padding-top: calc(var(--header-h) + 2.5rem);
  padding-bottom: 0;
}

.hero-layout {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  padding-bottom: 2.5rem;
}

@media (min-width: 900px) {
  .hero-layout {
    grid-template-columns: auto 1fr;
    gap: 4rem;
    padding-bottom: 3rem;
  }
}

.hero-photo-wrap {
  position: relative;
  width: min(240px, 70vw);
  margin-inline: auto;
}

@media (min-width: 900px) {
  .hero-photo-wrap { width: 280px; margin-inline: 0; }
}

.hero-photo {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 18%;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.hero-photo-ring {
  position: absolute; inset: -4px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--color-accent) 40%, transparent);
  pointer-events: none;
}

.hero-identity {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem;
  margin: 0 0 1rem;
  font-size: 0.9375rem;
}

.hero-name { font-weight: 600; color: var(--color-text); }
.hero-title-sep { color: var(--color-text-tertiary); }
.hero-title { color: var(--color-text-secondary); }

.hero-headline {
  margin: 0 0 1.25rem;
  font-size: clamp(2.25rem, 5.5vw, 3.5rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.04em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .hero-headline {
  -webkit-text-fill-color: transparent;
}

.hero-subheading {
  margin: 0 0 1.75rem;
  max-width: 34rem;
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.hero-credentials {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin-bottom: 2rem;
}

.hero-credentials li {
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem; font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-accent-muted);
  border: 1px solid var(--color-border);
  border-radius: 100px;
}

.hero-cta {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero-social {
  display: flex; flex-wrap: wrap; gap: 1.25rem;
}

.social-link {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-size: 0.875rem; font-weight: 500;
  color: var(--color-text-secondary);
}

.social-link:hover { color: var(--color-accent-bright); }

.social-link svg {
  flex-shrink: 0;
  color: var(--color-text-secondary);
}

.social-link img,
.channel-card img,
.tech-chip img,
.expertise-icon img {
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

[data-theme="light"] .social-link img,
[data-theme="light"] .channel-card img,
[data-theme="light"] .tech-chip img,
[data-theme="light"] .expertise-icon img {
  filter: none; opacity: 1;
}

[data-theme="light"] .tech-chip img[src*="n8n"] { filter: none; }

.tech-chip img[src*="n8n"] {
  filter: brightness(0) invert(1);
}

/* Metrics */
.metrics-bar {
  display: grid;
  gap: 1px;
  margin-top: 0;
  margin-bottom: 0;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

@media (min-width: 768px) {
  .metrics-bar { grid-template-columns: repeat(3, 1fr); }
}

.metric-item {
  padding: 1.5rem 1.75rem;
  background: var(--color-bg-subtle);
  transition: background var(--t);
}

.metric-item:hover { background: var(--color-surface); }

.metric-item dt {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 0.35rem;
}

.metric-item dd {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Industry experience */
.industry-block {
  padding-top: 2.5rem;
  padding-bottom: 0.5rem;
}

.industry-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  margin-bottom: 1.25rem;
}

.industry-header .section-label {
  margin-bottom: 0;
}

.industry-intro {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  max-width: 28rem;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
}

@media (min-width: 640px) {
  .industry-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .industry-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.industry-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.85rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-align: center;
  color: var(--color-text);
  border-radius: var(--radius);
  transition: transform var(--t), border-color var(--t), box-shadow var(--t), background var(--t);
}

.industry-badge:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
  background: var(--color-accent-muted);
}

/* Sections */
.section { padding-block: var(--section-y); }

.section-label {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-accent-bright);
}

.section-title {
  margin: 0;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-header { margin-bottom: 3rem; max-width: 36rem; }
.section-header--center { text-align: center; margin-inline: auto; }

.section-desc {
  margin: 1rem 0 0;
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* Who I Help */
.who-help { background: var(--color-bg-subtle); }

.audience-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .audience-grid { grid-template-columns: repeat(6, 1fr); }
  .audience-card { grid-column: span 2; }
  .audience-card--wide { grid-column: span 2; }
}

.audience-card {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}

.audience-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
}

.audience-icon {
  display: flex; align-items: center; justify-content: center;
  width: 2.5rem; height: 2.5rem;
  margin-bottom: 1rem;
  color: var(--color-accent-bright);
  background: var(--color-accent-muted);
  border-radius: var(--radius-sm);
}

.audience-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem; font-weight: 600; letter-spacing: -0.02em;
}

.audience-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* About */
.about-split {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 900px) {
  .about-split { grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
}

.about-lead {
  font-size: 1.125rem;
  line-height: 1.75;
  margin: 0 0 1rem;
  color: var(--color-text);
}

.about-copy p:last-child {
  margin: 0;
  color: var(--color-text-secondary);
}

.about-pillars {
  display: flex; flex-direction: column; gap: 0.75rem;
}

.pillar {
  display: flex; flex-direction: column; gap: 0.2rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  transition: border-color var(--t);
}

.pillar:hover { border-color: var(--color-border-hover); }

.pillar strong {
  font-size: 0.9375rem; font-weight: 600;
}

.pillar span {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

/* Expertise */
.expertise-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) { .expertise-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .expertise-grid { grid-template-columns: repeat(3, 1fr); } }

.expertise-card {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}

.expertise-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

.expertise-icon {
  display: flex; align-items: center; justify-content: center;
  width: 2.5rem; height: 2.5rem;
  margin-bottom: 1.25rem;
  background: var(--color-accent-muted);
  border-radius: var(--radius-sm);
  color: var(--color-accent-bright);
}

.expertise-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem; font-weight: 600; letter-spacing: -0.02em;
}

.expertise-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Tech row */
.stack { padding-top: 0; }

.tech-row {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem;
}

.tech-chip {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  font-size: 0.8125rem; font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: 100px;
  transition: transform var(--t), border-color var(--t);
}

.tech-chip img { width: 16px; height: 16px; }

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

/* Engagements */
.engagements { background: var(--color-bg-subtle); }

.engagement-list {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .engagement-list { grid-template-columns: repeat(2, 1fr); }
}

.engagement-card {
  padding: 2rem;
  border-radius: var(--radius-xl);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}

.engagement-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
  border-color: var(--color-border-hover);
}

.engagement-meta { margin-bottom: 1rem; }

.engagement-tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  font-size: 0.6875rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--color-accent-bright);
  background: var(--color-accent-muted);
  border-radius: 100px;
}

.engagement-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem; font-weight: 600;
  letter-spacing: -0.02em;
}

.engagement-card > p {
  margin: 0 0 1.25rem;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.impact-list {
  display: flex; flex-direction: column; gap: 0.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.impact-list li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.impact-list li::before {
  content: "";
  position: absolute; left: 0; top: 0.55em;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--color-accent-bright);
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 42rem;
  padding-left: 1.75rem;
}

.timeline::before {
  content: "";
  position: absolute; left: 5px; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: 1.75rem;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-marker {
  position: absolute; left: -1.5rem; top: 1.25rem;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--gradient-brand);
  box-shadow: 0 0 0 3px var(--color-bg);
}

.timeline-card {
  padding: 1.35rem 1.5rem;
  border-radius: var(--radius-lg);
  transition: transform var(--t), border-color var(--t);
}

.timeline-card:hover {
  transform: translateX(4px);
  border-color: var(--color-border-hover);
}

.timeline-date {
  display: block;
  font-size: 0.75rem; font-weight: 600;
  color: var(--color-accent-bright);
  margin-bottom: 0.35rem;
}

.timeline-role {
  margin: 0 0 0.2rem;
  font-size: 1.0625rem; font-weight: 600;
}

.timeline-org {
  margin: 0 0 0.65rem;
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
}

.timeline-card > p:last-child {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Services */
.services-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  .service-card { grid-column: span 2; }
  .service-card--featured { grid-column: span 2; }
}

.service-card {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
}

.service-card--featured {
  border-color: color-mix(in srgb, var(--color-accent) 35%, var(--color-border));
}

.service-num {
  display: block;
  font-size: 0.6875rem; font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-accent-bright);
  margin-bottom: 1rem;
}

.service-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem; font-weight: 600;
  letter-spacing: -0.02em;
}

.service-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* CTA */
.cta-banner { padding-block: 0 1rem; }

.cta-panel {
  display: flex; flex-direction: column; gap: 1.5rem;
  align-items: flex-start;
  padding: clamp(2rem, 5vw, 2.75rem);
  border-radius: var(--radius-xl);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--color-accent) 8%, var(--color-surface)) 0%,
    var(--color-surface) 100%
  );
}

@media (min-width: 768px) {
  .cta-panel {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cta-copy h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.cta-copy p {
  margin: 0;
  max-width: 28rem;
  color: var(--color-text-secondary);
}

/* Contact */
.contact-layout {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .contact-layout { grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: start; }
}

.contact-primary,
.contact-form {
  padding: clamp(1.75rem, 4vw, 2.25rem);
  border-radius: var(--radius-xl);
}

.contact-note {
  margin: 0 0 1.75rem;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.contact-channels {
  display: flex; flex-direction: column; gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.channel-card {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-subtle);
  transition: transform var(--t), border-color var(--t), background var(--t);
}

.channel-card:hover {
  transform: translateX(4px);
  border-color: var(--color-border-hover);
  background: var(--color-accent-muted);
}

.channel-card span {
  display: flex; flex-direction: column; gap: 0.1rem;
  flex: 1;
}

.channel-card strong {
  font-size: 0.9375rem; font-weight: 600;
}

.channel-card small {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.channel-arrow { color: var(--color-text-tertiary); flex-shrink: 0; }

.resume-link {
  font-size: 0.875rem; font-weight: 500;
  color: var(--color-accent-bright);
}

.resume-link:hover { text-decoration: underline; }

.form-title {
  margin: 0 0 1.25rem;
  font-size: 1.0625rem; font-weight: 600;
}

.form-row { margin-bottom: 1rem; }

.form-row label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.8125rem; font-weight: 500;
  color: var(--color-text-secondary);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font-family: inherit; font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--t), box-shadow var(--t);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-muted);
}

.form-row textarea { resize: vertical; min-height: 110px; }

.form-status {
  margin: 0.75rem 0 0;
  font-size: 0.8125rem;
  min-height: 1.25rem;
}

.form-status.is-success { color: #4ade80; }
.form-status.is-error { color: #f87171; }

/* Footer */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
  margin-top: 2rem;
}

.footer-inner {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    align-items: center;
  }
  .footer-copy { grid-column: 1 / -1; }
}

.footer-brand {
  display: flex; align-items: center; gap: 0.75rem;
}

.footer-brand p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.footer-links {
  display: flex; flex-wrap: wrap; gap: 1.25rem;
}

.footer-links a {
  font-size: 0.8125rem; font-weight: 500;
  color: var(--color-text-secondary);
}

.footer-links a:hover { color: var(--color-accent-bright); }

.footer-copy {
  margin: 0;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.04s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.12s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.16s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.2s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.24s; }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: 0.28s; }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: 0.32s; }
.reveal-stagger.is-visible > *:nth-child(9) { transition-delay: 0.36s; }
.reveal-stagger.is-visible > *:nth-child(10) { transition-delay: 0.4s; }

/* Mobile nav */
@media (max-width: 900px) {
  .logo-text { display: none; }

  .header-cta {
    padding: 0.45rem 0.65rem;
    font-size: 0.6875rem;
    max-width: 9.5rem;
    line-height: 1.25;
    white-space: normal;
    text-align: center;
  }

  .nav-toggle { display: flex; }

  .nav {
    position: fixed;
    top: calc(var(--header-h) + 0.5rem);
    left: 1rem; right: 1rem;
    padding: 0.5rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    opacity: 0; visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--t), transform var(--t), visibility var(--t);
  }

  .nav.is-open {
    opacity: 1; visibility: visible; transform: translateY(0);
  }

  .nav-list { flex-direction: column; }

  .nav-list a {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
  }

  .hero-cta .btn { flex: 1; min-width: 140px; }

  .metrics-bar { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
}