/* ---------- Tokens ---------- */
:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Color: warm paper, ink, and one deep teal */
  --color-bg: #f7f3ec;
  --color-surface: #fcfaf6;
  --color-surface-offset: #efe9df;
  --color-surface-deep: #1d4a47;
  --color-divider: oklch(0.3 0.02 70 / 0.12);
  --color-border: oklch(0.3 0.02 70 / 0.18);
  --color-text: #221f1a;
  --color-text-muted: #645f56;
  --color-text-faint: #9a948a;
  --color-text-inverse: #f6f1e8;
  --color-text-inverse-muted: #c5d3cf;
  --color-primary: #1d4f4b;
  --color-primary-hover: #143936;
  --color-primary-active: #0e2a28;
  --color-primary-highlight: #dbe5e0;
  --color-error: #9b2c2c;
  --color-warm: #c4622d;
  --color-warm-text: #9a4518;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 180ms var(--ease-out);

  --shadow-sm: 0 1px 2px oklch(0.25 0.02 70 / 0.06);
  --shadow-md: 0 6px 18px oklch(0.25 0.02 70 / 0.08);
  --shadow-lg: 0 18px 48px oklch(0.25 0.02 70 / 0.12);

  --content-narrow: 640px;
  --content-wide: 1200px;
  --header-h: 72px;

  --font-display: 'Zodiak', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Switzer', 'Helvetica Neue', Arial, sans-serif;
}

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: calc(-1 * var(--space-16));
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  text-decoration: none;
}
.skip-link:focus {
  top: var(--space-4);
}

/* ---------- Type helpers ---------- */
.eyebrow,
.section-label,
.service-type,
.deliverables-label,
.note-meta {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}
.section-label::before {
  content: '';
  width: var(--space-6);
  height: 1px;
  background: currentColor;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-2xl);
  letter-spacing: -0.01em;
}

.prose p + p {
  margin-top: var(--space-4);
}
.prose p {
  max-width: 65ch;
}

/* ---------- Buttons & links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  text-align: center;
}
.btn-sm {
  min-height: 44px;
  padding: var(--space-2) var(--space-5);
}
.btn-block {
  width: 100%;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
}
.btn-primary:active {
  background: var(--color-primary-active);
}
.btn-light {
  background: var(--color-text-inverse);
  color: var(--color-primary);
}
.btn-light:hover {
  background: #ffffff;
}
.btn-ghost {
  border-color: var(--color-border);
  color: var(--color-text);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 0.3em;
}
.text-link svg {
  transition: transform var(--transition-interactive);
}
.text-link:hover {
  color: var(--color-primary);
  text-decoration-color: currentColor;
}
.text-link:hover svg {
  transform: translateX(3px);
}
.text-link.small {
  font-size: var(--text-xs);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.3s var(--ease-out),
    background 0.3s var(--ease-out);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-divider);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: var(--header-h);
}
.wordmark {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  color: var(--color-text);
  line-height: 1.1;
}
.wordmark-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.wordmark-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.site-nav ul {
  display: flex;
  gap: var(--space-6);
}
.site-nav ul a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.site-nav ul a:hover,
.site-nav ul a[aria-current='true'] {
  color: var(--color-text);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text);
}
.menu-toggle .icon-close {
  display: none;
}
.menu-toggle[aria-expanded='true'] .icon-menu {
  display: none;
}
.menu-toggle[aria-expanded='true'] .icon-close {
  display: block;
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-flex;
  }
  .site-nav {
    position: absolute;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    padding: var(--space-4) clamp(var(--space-5), 5vw, var(--space-12)) var(--space-6);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    clip-path: inset(0 0 100% 0);
    transition:
      opacity 0.25s var(--ease-out),
      clip-path 0.35s var(--ease-out),
      visibility 0s linear 0.35s;
  }
  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    clip-path: inset(0 0 0 0);
    transition:
      opacity 0.25s var(--ease-out),
      clip-path 0.35s var(--ease-out),
      visibility 0s;
  }
  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }
  .site-nav ul a {
    width: 100%;
    font-size: var(--text-base);
    color: var(--color-text);
    border-bottom: 1px solid var(--color-divider);
    min-height: 52px;
  }
  .nav-cta {
    width: 100%;
  }
}

/* ---------- Hero ---------- */
.hero {
  padding-block: clamp(var(--space-8), 4vw, var(--space-12)) clamp(var(--space-12), 6vw, var(--space-16));
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: center;
}
.eyebrow {
  margin-bottom: var(--space-6);
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.5rem, 0.6rem + 4.4vw, 4.25rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  max-width: 15ch;
}
.hero-title em {
  font-style: italic;
  color: var(--color-primary);
}
.hero-text {
  margin-top: var(--space-6);
  max-width: 54ch;
  color: var(--color-text-muted);
}
.hero-text p + p {
  margin-top: var(--space-4);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4) var(--space-8);
  margin-top: var(--space-8);
}
/* Hero visual: illustrative support inbox */
.hero-visual {
  position: relative;
  padding: clamp(var(--space-5), 2.2vw, var(--space-8));
  padding-bottom: 228px;
  background: var(--color-surface-deep);
  border-radius: var(--radius-xl);
  isolation: isolate;
}
.hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image: radial-gradient(oklch(1 0 0 / 0.07) 1px, transparent 1px);
  background-size: 18px 18px;
  z-index: -1;
}
.mock-inbox,
.mock-escalation {
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.mock-inbox {
  overflow: hidden;
}
.mock-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.mock-title {
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
}
.mock-tabs {
  display: flex;
  gap: var(--space-1);
}
.mock-tabs span {
  font-size: var(--text-xs);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.mock-tabs .is-active {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  font-weight: 600;
}
.ticket {
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.ticket:last-child {
  border-bottom: 0;
}
.ticket.is-selected {
  background: oklch(from var(--color-primary-highlight) l c h / 0.55);
}
.t-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-border);
}
.t-dot.is-urgent {
  background: var(--color-warm);
  box-shadow: 0 0 0 3px oklch(from var(--color-warm) l c h / 0.18);
}
.t-dot.is-done {
  background: var(--color-primary);
}
.t-main {
  min-width: 0;
}
.t-subject {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.t-meta {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}
.t-side {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.t-tag {
  font-size: var(--text-xs);
  line-height: 1.5;
  padding: 0 var(--space-2);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.t-tag.is-bug {
  border-color: transparent;
  background: oklch(from var(--color-warm) l c h / 0.14);
  color: var(--color-warm-text);
  font-weight: 500;
}
.t-sla {
  min-width: 3.4em;
  text-align: right;
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--color-text-muted);
}
.t-sla.is-urgent {
  color: var(--color-warm-text);
  font-weight: 600;
}
.t-sla.is-done {
  color: var(--color-primary);
  font-weight: 500;
}

.mock-escalation {
  position: absolute;
  left: calc(-1 * clamp(var(--space-6), 3vw, var(--space-12)));
  bottom: clamp(var(--space-5), 2.5vw, var(--space-8));
  width: min(64%, 300px);
  padding: var(--space-4) var(--space-5);
  z-index: 2;
}
.esc-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-warm-text);
}
.esc-title {
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.35;
}
.esc-checks {
  margin-top: var(--space-3);
  display: grid;
  gap: var(--space-2);
}
.esc-checks li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.3;
}
.check {
  flex: none;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-primary);
  background: var(--color-primary);
}
.check::after {
  content: '';
  width: 8px;
  height: 4px;
  margin-top: -2px;
  border-left: 2px solid var(--color-text-inverse);
  border-bottom: 2px solid var(--color-text-inverse);
  transform: rotate(-45deg);
}
.esc-foot {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.mock-toast {
  position: absolute;
  right: calc(-1 * var(--space-3));
  bottom: var(--space-16);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: max-content;
  max-width: 220px;
  padding: var(--space-3) var(--space-4);
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 3;
}
.toast-mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}
.toast-label {
  display: block;
  font-size: var(--text-xs);
  color: oklch(from var(--color-text-inverse) l c h / 0.72);
}
.toast-title {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.3;
}

/* Motion: checklist fills in, toast arrives (only with JS + motion allowed) */
@media (prefers-reduced-motion: no-preference) {
  .js .hero-visual.is-visible .check {
    animation: check-fill 0.45s var(--ease-out, ease-out) both;
  }
  .js .hero-visual.is-visible .check::after {
    animation: check-mark 0.3s var(--ease-out, ease-out) both;
  }
  .js .hero-visual.is-visible .esc-checks li:nth-child(1) .check,
  .js .hero-visual.is-visible .esc-checks li:nth-child(1) .check::after { animation-delay: 0.7s; }
  .js .hero-visual.is-visible .esc-checks li:nth-child(2) .check,
  .js .hero-visual.is-visible .esc-checks li:nth-child(2) .check::after { animation-delay: 1.05s; }
  .js .hero-visual.is-visible .esc-checks li:nth-child(3) .check,
  .js .hero-visual.is-visible .esc-checks li:nth-child(3) .check::after { animation-delay: 1.4s; }
  .js .hero-visual.is-visible .esc-checks li:nth-child(4) .check,
  .js .hero-visual.is-visible .esc-checks li:nth-child(4) .check::after { animation-delay: 1.75s; }
  .js .hero-visual.is-visible .mock-toast {
    animation: toast-in 0.6s var(--ease-out, ease-out) 2.3s both;
  }
}
@keyframes check-fill {
  from { background: transparent; border-color: var(--color-border); }
  to { background: var(--color-primary); border-color: var(--color-primary); }
}
@keyframes check-mark {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    max-width: 16ch;
  }
  .hero-visual {
    width: 100%;
    max-width: 600px;
  }
}
@media (max-width: 860px) {
  .hero-visual {
    padding-bottom: clamp(var(--space-6), 3vw, var(--space-10));
  }
  .mock-escalation {
    position: relative;
    left: auto;
    bottom: auto;
    width: auto;
    max-width: 360px;
    margin: calc(-1 * var(--space-6)) 0 0 var(--space-6);
  }
  .mock-toast {
    position: relative;
    right: auto;
    bottom: auto;
    max-width: none;
    margin: var(--space-4) 0 0 auto;
  }
}
@media (max-width: 480px) {
  .hero-visual {
    padding: var(--space-3);
  }
  .ticket {
    padding-inline: var(--space-3);
  }
  .t-tag {
    display: none;
  }
  .mock-tabs span:not(.is-active) {
    display: none;
  }
  .ticket:nth-child(4) {
    display: none;
  }
  .mock-escalation {
    margin-left: var(--space-3);
  }
}

/* ---------- Track record ---------- */
.proof {
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-20));
}
.proof-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
}
.proof-item {
  padding: var(--space-6) var(--space-6) 0;
  border-left: 1px solid var(--color-divider);
}
.proof-item:first-child {
  padding-left: 0;
  border-left: 0;
}
.proof-num {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-2xl);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  font-variant-numeric: lining-nums;
  white-space: nowrap;
}
.proof-label {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.45;
  color: var(--color-text);
  max-width: 24ch;
}
.proof-source {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-text-muted);
}

@media (max-width: 960px) {
  .proof-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-6);
    row-gap: var(--space-8);
    border-top: 0;
  }
  .proof-item,
  .proof-item:first-child {
    padding: var(--space-5) 0 0;
    border-left: 0;
    border-top: 1px solid var(--color-border);
  }
}

/* ---------- Familiar problems ---------- */
.familiar {
  background: var(--color-surface-offset);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.familiar-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-8), 6vw, var(--space-20));
  align-items: start;
}
.familiar-head {
  position: sticky;
  top: calc(var(--header-h) + var(--space-8));
}
.familiar-list li {
  display: grid;
  grid-template-columns: var(--space-12) 1fr;
  gap: var(--space-4);
  align-items: baseline;
  padding-block: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.familiar-list li:last-child {
  border-bottom: 1px solid var(--color-border);
}
.familiar-list .num {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}
.familiar-list p {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.25;
  letter-spacing: -0.005em;
}

@media (max-width: 860px) {
  .familiar-grid {
    grid-template-columns: 1fr;
  }
  .familiar-head {
    position: static;
  }
  .familiar-list li {
    grid-template-columns: var(--space-10) 1fr;
  }
}

/* ---------- Startup stages ---------- */
.stages {
  padding-bottom: clamp(var(--space-4), 2vw, var(--space-8));
}
.stage-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(var(--space-6), 4vw, var(--space-12));
  align-items: start;
  counter-reset: stage;
}
.stage-track::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 7px;
  height: 1px;
  background: var(--color-border);
}
.stage {
  position: relative;
  padding-top: var(--space-10);
}
.stage::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 15px;
  height: 15px;
  border-radius: var(--radius-full);
  background: var(--color-bg);
  border: 2px solid var(--color-primary);
}
.stage:nth-child(2)::before {
  background: var(--color-primary-highlight);
}
.stage:nth-child(3)::before {
  background: var(--color-primary);
}
.stage-num {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.stage-title {
  margin-top: var(--space-2);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
}
.stage-quote {
  margin-top: var(--space-5);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.stage-quote p {
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1.45;
  color: var(--color-text);
}
.nowrap {
  white-space: nowrap;
}
.stages-intro {
  margin-top: var(--space-5);
  max-width: 62ch;
  color: var(--color-text-muted);
}
.stage-help {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 40ch;
}

.stack {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4) var(--space-10);
  margin-top: clamp(var(--space-12), 6vw, var(--space-20));
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.stack .deliverables-label {
  margin: 0;
}
.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) clamp(var(--space-5), 2.4vw, var(--space-8));
}
.stack-list li {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

@media (max-width: 860px) {
  .stage-track {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    padding-left: var(--space-8);
  }
  .stage-track::before {
    left: 7px;
    right: auto;
    top: 0;
    bottom: 0;
    width: 1px;
    height: auto;
  }
  .stage {
    padding-top: 0;
  }
  .stage::before {
    top: 2px;
    left: calc(-1 * var(--space-8));
  }
}

/* ---------- Services ---------- */
.section-head {
  margin-bottom: clamp(var(--space-8), 5vw, var(--space-16));
}
.service-list {
  border-top: 1px solid var(--color-border);
}
.service {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 5fr) minmax(0, 3fr);
  gap: var(--space-8);
  padding-block: clamp(var(--space-6), 3vw, var(--space-10));
  border-bottom: 1px solid var(--color-border);
}
.service-type {
  padding-top: var(--space-2);
}
.service-name,
.service-feature-name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}
.service-main p {
  color: var(--color-text-muted);
  max-width: 48ch;
}
.deliverables-label {
  margin-bottom: var(--space-3);
}
.service-deliverables ul li,
.service-feature-side ul li {
  position: relative;
  padding-left: var(--space-5);
  font-size: var(--text-sm);
  line-height: 1.5;
}
.service-deliverables ul li + li,
.service-feature-side ul li + li {
  margin-top: var(--space-2);
}
.service-deliverables ul li::before,
.service-feature-side ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

.service-feature {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: end;
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  padding: clamp(var(--space-8), 5vw, var(--space-16));
  background: var(--color-surface-deep);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
}
.service-feature .service-type,
.service-feature .deliverables-label {
  color: var(--color-text-inverse-muted);
}
.service-feature .service-type {
  margin-bottom: var(--space-4);
  padding-top: 0;
}
.service-feature-name {
  font-size: var(--text-2xl);
}
.service-feature-main p {
  color: var(--color-text-inverse-muted);
  max-width: 44ch;
}
.service-feature-side ul {
  margin-bottom: var(--space-8);
}
.service-feature-side ul li::before {
  background: var(--color-text-inverse);
}

@media (max-width: 860px) {
  .service {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .service-type {
    padding-top: 0;
  }
  .service-feature {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .service-feature .btn {
    width: 100%;
  }
}

/* ---------- Approach ---------- */
.approach {
  padding-bottom: clamp(var(--space-4), 2vw, var(--space-8));
}
.approach-figure img {
  width: 100%;
  height: clamp(280px, 46vw, 640px);
  object-fit: cover;
  object-position: 50% 70%;
}
.approach-panel {
  position: relative;
  margin-top: calc(-1 * clamp(var(--space-16), 10vw, var(--space-32)));
  padding: clamp(var(--space-8), 5vw, var(--space-16));
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-8);
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.step::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: var(--space-10);
  height: 2px;
  background: var(--color-primary);
}
.step-num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.step-title {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 960px) {
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: var(--space-10);
  }
}
@media (max-width: 560px) {
  .steps {
    grid-template-columns: 1fr;
  }
  .approach-panel {
    margin-top: calc(-1 * var(--space-12));
  }
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-10), 7vw, var(--space-24));
  align-items: start;
}
.pull-quote {
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}
.pull-quote p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-xl);
  line-height: 1.3;
  color: var(--color-primary);
  max-width: 22ch;
}
.about-intro {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.45;
}
.about-body .prose p:not(.about-intro) {
  color: var(--color-text-muted);
}
.principles {
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  border-top: 1px solid var(--color-border);
}
.principle {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: var(--space-6);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}
.principle dt {
  font-weight: 600;
}
.principle dd {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

@media (max-width: 860px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  .pull-quote {
    margin-top: var(--space-6);
  }
}
@media (max-width: 560px) {
  .principle {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }
}

/* ---------- Experience ---------- */
.experience {
  background: var(--color-surface-offset);
}
.experience-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}
.experience-head {
  position: sticky;
  top: calc(var(--header-h) + var(--space-8));
}
.experience-summary {
  margin-top: var(--space-6);
  max-width: 36ch;
  color: var(--color-text-muted);
}
.experience-head .text-link {
  margin-top: var(--space-4);
}
.roles {
  position: relative;
  padding-left: var(--space-10);
}
.roles::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: var(--space-12);
  width: 1px;
  background: var(--color-border);
}
.role {
  position: relative;
  padding-bottom: clamp(var(--space-10), 4vw, var(--space-12));
}
.role::before {
  content: '';
  position: absolute;
  top: 2px;
  left: calc(-1 * var(--space-10));
  width: 15px;
  height: 15px;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  border: 2px solid var(--color-primary);
}
.role:first-child::before {
  background: var(--color-primary);
}
.role-dates {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}
.role-tag {
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.role-company {
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
}
.role-note {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0;
  color: var(--color-text-muted);
}
.role-title {
  margin-top: var(--space-1);
  font-weight: 600;
  color: var(--color-text);
}
.role-points {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.role-points li {
  position: relative;
  padding-left: var(--space-5);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 62ch;
}
.role-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 8px;
  height: 1px;
  background: var(--color-primary);
}
.earlier {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 1fr);
  gap: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}
.earlier ul li {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-text);
}
.earlier ul li + li {
  margin-top: var(--space-2);
}

@media (max-width: 860px) {
  .experience-grid {
    grid-template-columns: 1fr;
  }
  .experience-head {
    position: static;
  }
  .roles {
    padding-left: var(--space-8);
  }
  .role::before {
    left: calc(-1 * var(--space-8));
  }
}
@media (max-width: 560px) {
  .earlier {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ---------- Insights ---------- */
.insights-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}
.insights-figure {
  position: sticky;
  top: calc(var(--header-h) + var(--space-8));
}
.insights-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: 45% 50%;
  border-radius: var(--radius-lg);
}
.notes {
  border-top: 1px solid var(--color-border);
}
.note {
  border-bottom: 1px solid var(--color-border);
}
.note summary {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    'meta toggle'
    'title toggle';
  column-gap: var(--space-6);
  row-gap: var(--space-2);
  align-items: center;
  padding-block: var(--space-6);
  cursor: pointer;
  list-style: none;
}
.note summary::-webkit-details-marker {
  display: none;
}
.note-meta {
  grid-area: meta;
}
.note-title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.2;
  letter-spacing: -0.005em;
  transition: color var(--transition-interactive);
}
.note summary:hover .note-title {
  color: var(--color-primary);
}
.note-toggle {
  grid-area: toggle;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-primary);
  transition:
    background var(--transition-interactive),
    border-color var(--transition-interactive);
}
.note summary:hover .note-toggle {
  border-color: var(--color-primary);
}
.note-toggle .vert {
  transform-origin: center;
  transition: transform 0.3s var(--ease-out);
}
.note[open] .note-toggle {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}
.note[open] .note-toggle .vert {
  transform: rotate(90deg);
}
.note-body {
  padding-bottom: var(--space-8);
  color: var(--color-text-muted);
}
.note[open] .note-body {
  animation: note-in 0.4s var(--ease-out);
}
@keyframes note-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 860px) {
  .insights-grid {
    grid-template-columns: 1fr;
  }
  .insights-figure {
    position: static;
    order: 2;
  }
  .insights-figure img {
    aspect-ratio: 16 / 10;
  }
}

/* ---------- Contact ---------- */
.contact {
  background: var(--color-surface-offset);
}
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}
.contact-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-2xl);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
}
.contact-intro > p:not(.section-label) {
  color: var(--color-text-muted);
  max-width: 44ch;
}
.contact-direct {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.contact-email {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}
.contact-email a {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 0.3em;
  user-select: all;
}
.contact-email a:hover {
  color: var(--color-primary);
  text-decoration-color: currentColor;
}
.copy-btn {
  min-height: 36px;
  min-width: 44px;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.copy-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.contact-linkedin {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.contact-linkedin a {
  font-weight: 500;
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 0.3em;
}
.contact-linkedin a:hover {
  color: var(--color-primary);
  text-decoration-color: currentColor;
}
.copy-status {
  min-height: 1.5em;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-primary);
}

.contact-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 4vw, var(--space-12));
  box-shadow: var(--shadow-md);
}
.contact-form {
  display: grid;
  gap: var(--space-5);
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.field {
  display: grid;
  gap: var(--space-2);
  align-content: start;
}
.field label {
  font-size: var(--text-sm);
  font-weight: 500;
}
.optional {
  font-weight: 400;
  color: var(--color-text-muted);
}
.field input,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  line-height: 1.5;
}
.field textarea {
  resize: vertical;
  min-height: 112px;
}
.field input:hover,
.field textarea:hover {
  border-color: oklch(0.3 0.02 70 / 0.32);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.16);
  background: var(--color-surface);
}
.field [aria-invalid='true'] {
  border-color: var(--color-error);
}
.field-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  min-height: 0;
}
.field-error:empty {
  display: none;
}
.contact-form .btn {
  margin-top: var(--space-2);
}

.form-done {
  display: grid;
  justify-items: start;
  gap: var(--space-4);
  outline: none;
}
.form-done[hidden] {
  display: none;
}
.form-done:not([hidden]) {
  animation: note-in 0.45s var(--ease-out);
}
.done-mark {
  color: var(--color-primary);
}
.done-check {
  stroke-dasharray: 24;
  stroke-dashoffset: 24;
}
.form-done:not([hidden]) .done-check {
  animation: draw-check 0.6s 0.15s var(--ease-out) forwards;
}
@keyframes draw-check {
  to {
    stroke-dashoffset: 0;
  }
}
.done-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-xl);
}
.form-done > p {
  color: var(--color-text-muted);
  max-width: 48ch;
}
.done-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}
.form-done .copy-status {
  margin-top: 0;
}

@media (max-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 560px) {
  .field-row {
    grid-template-columns: 1fr;
  }
  .done-actions,
  .done-actions .btn {
    width: 100%;
  }
}

/* ---------- Footer ---------- */
.site-footer {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-divider);
}
.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-8);
  align-items: center;
}
.footer-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
}
.footer-role,
.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-6);
}
.footer-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer-nav a:hover {
  color: var(--color-primary);
}

@media (max-width: 860px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .footer-nav {
    justify-content: flex-start;
  }
}

/* ---------- Reveal (progressive enhancement) ---------- */
.js .reveal {
  opacity: 0;
  transition: opacity 0.8s var(--ease-out);
}
.js .reveal.is-visible {
  opacity: 1;
}
@media (prefers-reduced-motion: reduce) {
  .js .reveal {
    opacity: 1;
  }
}

[hidden] {
  display: none !important;
}