@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@400;600&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap');

/* ── Design tokens ─────────────────────────────────────── */

:root {
  /* Rosé Pine Dawn */
  --bg:       #faf4ed;
  --surface:  #fffaf3;
  --overlay:  #f2e9e1;
  --muted:    #9893a5;
  --subtle:   #797593;
  --text:     #575279;
  --pine:     #286983;
  --foam:     #56949f;
  --iris:     #907aa9;
  --rose:     #d7827a;
  --border:   #dfdad9;

  --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;

  --text-xs:   clamp(0.75rem,  1.2vw, 0.8125rem);
  --text-sm:   clamp(0.875rem, 1.5vw, 0.9375rem);
  --text-base: clamp(1rem,     1.8vw, 1.0625rem);
  --text-lg:   clamp(1.125rem, 2.2vw, 1.25rem);
  --text-xl:   clamp(1.25rem,  2.8vw, 1.5rem);
  --text-2xl:  clamp(1.5rem,   3.5vw, 2rem);
  --text-3xl:  clamp(1.875rem, 4.5vw, 2.75rem);
  --text-4xl:  clamp(2.25rem,  6vw,   4rem);

  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 14px;

  --shadow:       0 2px 8px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.1), 0 3px 8px rgba(0,0,0,0.06);
  --ease: 200ms ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Rosé Pine Main */
    --bg:       #191724;
    --surface:  #1f1d2e;
    --overlay:  #26233a;
    --muted:    #6e6a86;
    --subtle:   #908caa;
    --text:     #e0def4;
    --pine:     #31748f;
    --foam:     #9ccfd8;
    --iris:     #c4a7e7;
    --rose:     #ebbcba;
    --border:   #403d52;

    --shadow:       0 2px 8px rgba(0,0,0,0.3),  0 1px 3px rgba(0,0,0,0.2);
    --shadow-hover: 0 8px 24px rgba(0,0,0,0.4), 0 3px 8px rgba(0,0,0,0.3);
  }

  .depth-signals {
    background-image:
      linear-gradient(rgba(49, 116, 143, 0.22) 1px, transparent 1px),
      linear-gradient(90deg, rgba(49, 116, 143, 0.22) 1px, transparent 1px);
  }
}

/* ── Reset ─────────────────────────────────────────────── */

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--iris); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ────────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

section { padding-block: clamp(4rem, 10vw, 7rem); }

/* ── Navigation ────────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  gap: 2rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
  text-decoration: none;
}
.nav__logo img { height: 36px; width: auto; }

.nav__logo-text {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
  white-space: nowrap;
}

.nav__logo:hover .nav__logo-text { color: var(--pine); text-decoration: none; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav__links a {
  color: var(--subtle);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--ease);
}

.nav__links a:hover { color: var(--text); text-decoration: none; }
.nav__links a[aria-current="page"] { color: var(--text); }

.nav__cta {
  padding: 0.5rem 1.25rem;
  background: var(--pine);
  color: #fff !important;
  border-radius: var(--radius);
  font-size: var(--text-sm) !important;
  font-weight: 600 !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
  transition: background var(--ease), transform var(--ease) !important;
}

.nav__cta:hover {
  background: var(--iris);
  transform: translateY(-1px);
  text-decoration: none !important;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2rem;
  height: 2rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--ease), opacity var(--ease);
}

/* ── Buttons ───────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--ease), transform var(--ease),
              box-shadow var(--ease), border-color var(--ease), color var(--ease);
}

.btn:hover { transform: translateY(-2px); text-decoration: none; }

.btn--primary { background: var(--pine); color: #fff; }
.btn--primary:hover { background: var(--iris); box-shadow: var(--shadow-hover); color: #fff; }

.btn--outline { background: transparent; color: var(--text); border: 1.5px solid var(--border); }
.btn--outline:hover { border-color: var(--iris); color: var(--iris); box-shadow: var(--shadow-hover); }

/* ── Section labels & headings ─────────────────────────── */

.section-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pine);
  margin-bottom: 0.75rem;
}

.section-heading {
  font-size: var(--text-3xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1rem;
}

.section-sub {
  font-size: var(--text-lg);
  color: var(--subtle);
  max-width: 580px;
  line-height: 1.65;
}

/* ── Hero ──────────────────────────────────────────────── */

.hero {
  position: relative;
  padding-block: clamp(5rem, 14vw, 9rem);
  background: var(--surface);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 45%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  pointer-events: none;
  overflow: hidden;
  padding-right: 4%;
}

.hero__bg svg {
  width: 100%;
  max-width: 380px;
  height: auto;
}

.hero__inner { position: relative; max-width: 760px; }

.hero__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pine);
  margin-bottom: 1.25rem;
}

.hero__heading {
  font-size: var(--text-4xl);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.hero__sub {
  font-size: var(--text-lg);
  color: var(--subtle);
  max-width: 580px;
  line-height: 1.65;
  margin-bottom: 2.5rem;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 0.875rem; }

/* ── Intersection section ──────────────────────────────── */

.intersection { background: var(--bg); }

.intersection__layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.venn-wrap { display: flex; justify-content: center; align-items: center; }

.venn { width: 100%; max-width: 360px; }

.intersection__text { padding-block: 1rem; }

.circles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.circle-item__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.circle-item__label--computing { color: var(--pine); }
.circle-item__label--science   { color: var(--foam); }
.circle-item__label--people    { color: var(--iris); }

.circle-item p {
  font-size: var(--text-sm);
  color: var(--subtle);
  line-height: 1.6;
}

/* ── Pillars ───────────────────────────────────────────── */

.pillars { background: var(--surface); }

.pillars__intro { max-width: 600px; margin-bottom: 3rem; }

.pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pillar-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}

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

.pillar-card__illustration {
  margin: -2rem -2rem 1.75rem;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  background: var(--overlay);
}

.pillar-card__illustration img {
  width: 100%;
  height: auto;
  display: block;
  padding: 1.25rem;
}

.pillar-card__number {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.pillar-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.875rem;
  line-height: 1.25;
}

.pillar-card__body {
  font-size: var(--text-sm);
  color: var(--subtle);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.pillar-card__proof {
  font-size: var(--text-sm);
  color: var(--pine);
  font-style: italic;
  line-height: 1.55;
  padding-left: 0.875rem;
  border-left: 2px solid var(--pine);
  margin-bottom: 1.5rem;
}

.pillar-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--iris);
  transition: gap var(--ease);
}

.pillar-card__link:hover { gap: 0.55rem; text-decoration: none; }

/* ── Proof strip ───────────────────────────────────────── */

.proof { background: var(--overlay); }

.proof__quote-wrap {
  max-width: 700px;
  margin: 0 auto 3rem;
  text-align: center;
}

.proof__quote {
  font-size: var(--text-xl);
  font-weight: 400;
  font-style: italic;
  color: var(--text);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.proof__quote::before { content: '\201C'; }
.proof__quote::after  { content: '\201D'; }

.proof__attribution {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--subtle);
}

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

.proof__rule {
  width: 3rem;
  height: 1px;
  background: var(--border);
  margin: 0 auto 2.5rem;
}

.proof__credentials {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 3rem;
}

.proof__cred { text-align: center; }

.proof__cred-value {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--pine);
}

.proof__cred-label {
  font-size: var(--text-sm);
  color: var(--subtle);
}

/* ── Footer ────────────────────────────────────────────── */

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

.footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}

.footer__right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
  padding-top: 25px; /* aligns top of CYBORG wordmark with top of link text */
}

.footer__contact { display: flex; flex-wrap: wrap; gap: 1.25rem; justify-content: flex-end; }

.footer__contact a {
  color: var(--subtle);
  font-size: var(--text-sm);
  transition: color var(--ease);
}

.footer__contact a:hover { color: var(--iris); text-decoration: none; }

.footer__meta { font-size: var(--text-sm); color: var(--muted); text-align: right; }

/* ── Page hero (inner pages) ───────────────────────────── */

.page-hero {
  background: var(--surface);
  padding-block: clamp(4rem, 10vw, 7rem);
  border-bottom: 1px solid var(--border);
}

/* ── Services pillars ──────────────────────────────────── */

.services-section { border-bottom: 1px solid var(--border); }
.services-section:nth-child(even) { background: var(--surface); }

.services-section__layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.services-section__number {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pine);
  margin-bottom: 0.5rem;
}

.services-section__title {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
}

.services-section__body {
  color: var(--subtle);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.services-section__proof {
  background: var(--overlay);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-top: 1.25rem;
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--subtle);
  border-left: 3px solid var(--pine);
}

/* ── How I work ────────────────────────────────────────── */

.how-i-work { background: var(--overlay); }

.how-i-work__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.work-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform var(--ease), box-shadow var(--ease);
}

.work-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }

.work-item__title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.work-item p { font-size: var(--text-sm); color: var(--subtle); line-height: 1.7; }

.work-item__icon { width: 28px; height: 28px; color: var(--pine); margin-bottom: 1rem; flex-shrink: 0; }

.how-i-work__prose {
  max-width: 640px;
  margin-top: 1.75rem;
}

.how-i-work__prose p {
  color: var(--subtle);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.how-i-work__prose p:last-child { margin-bottom: 0; }

/* ── About ─────────────────────────────────────────────── */

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

.about-intro__layout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(2rem, 6vw, 4.5rem);
  align-items: start;
}

.about-intro__photo-wrap {
  position: relative;
  width: clamp(160px, 22vw, 240px);
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  flex-shrink: 0;
  align-self: start;
  isolation: isolate;
}

.about-intro__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.82);
}

/* Palette harmonisation — pulls the photo toward the Rosé Pine theme */
.about-intro__photo-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--overlay);
  mix-blend-mode: multiply;
  opacity: 0.28;
  pointer-events: none;
}

@media (prefers-color-scheme: dark) {
  .about-intro__photo-wrap::after {
    background: var(--overlay);
    mix-blend-mode: screen;
    opacity: 0.18;
  }
}

.about-intro__name {
  font-size: var(--text-3xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.about-intro__role {
  font-size: var(--text-lg);
  color: var(--pine);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.about-intro__bio p { color: var(--subtle); line-height: 1.8; margin-bottom: 1rem; }
.about-intro__bio p:last-child { margin-bottom: 0; }

.depth-signals {
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(40, 105, 131, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40, 105, 131, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}

.signals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.signal-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform var(--ease), box-shadow var(--ease);
}

.signal-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }

.signal-item__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.signal-item p { font-size: var(--text-sm); color: var(--subtle); line-height: 1.7; margin-bottom: 0.75rem; }

.signal-item a { font-size: var(--text-sm); font-weight: 500; color: var(--iris); }
.signal-item a:hover { text-decoration: underline; }

/* ── Intersection text-only variant (venn hero) ────────── */

.intersection__text-only {
  max-width: 820px;
}

.circles-grid--three-col {
  grid-template-columns: repeat(3, 1fr);
}

/* ── Pillar card note (italic footer line) ─────────────── */

.pillar-card__note {
  font-style: italic;
  color: var(--pine);
  border-left: 2px solid var(--pine);
  padding-left: 0.875rem;
  margin-top: 0.25rem;
}

/* ── Contact section ───────────────────────────────────── */

.contact-section { background: var(--overlay); text-align: center; }

.contact-section .section-heading,
.contact-section .section-sub { margin-inline: auto; }

.contact-section .section-sub { margin-bottom: 2.5rem; }

.contact-section__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* ── Testimonials ──────────────────────────────────────── */

.testimonials { background: var(--overlay); position: relative; overflow: hidden; }

.testimonials::before {
  content: '\201C';
  position: absolute;
  top: -1rem;
  left: clamp(0.5rem, 3vw, 2rem);
  font-size: 18rem;
  line-height: 1;
  font-family: Georgia, serif;
  color: var(--iris);
  opacity: 0.07;
  pointer-events: none;
  user-select: none;
}

.testimonials .section-heading { margin-bottom: 3rem; }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.testimonial-card__quote {
  font-size: var(--text-sm);
  color: var(--subtle);
  line-height: 1.75;
  flex: 1;
  font-style: italic;
}

.testimonial-card__quote::before { content: '\201C'; color: var(--pine); font-size: 1.5em; font-style: normal; line-height: 0; vertical-align: -0.35em; margin-right: 0.1em; }

.testimonial-card__attribution {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.testimonial-card__attribution strong {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
}

.testimonial-card__attribution span {
  font-size: var(--text-xs);
  color: var(--muted);
}

/* ── Footer brand ──────────────────────────────────────── */

.footer__brand img { height: 108px; width: auto; opacity: 0.8; }

/* ── Reveal animations ─────────────────────────────────── */

.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 550ms ease, transform 550ms ease;
}

.js-ready [data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

.js-ready [data-reveal][data-delay="100"] { transition-delay: 100ms; }
.js-ready [data-reveal][data-delay="200"] { transition-delay: 200ms; }
.js-ready [data-reveal][data-delay="300"] { transition-delay: 300ms; }

/* ── Responsive ────────────────────────────────────────── */

@media (max-width: 768px) {
  .nav__toggle  { display: flex; }
  .nav__cta     { display: none; }

  .nav__links {
    display: none;
    position: absolute;
    top: 4rem; left: 0; right: 0;
    flex-direction: column;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem;
    gap: 1.25rem;
  }

  .nav__links.is-open { display: flex; }

  .intersection__layout    { grid-template-columns: 1fr; }
  .pillars__grid           { grid-template-columns: 1fr; }
  .services-section__layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .how-i-work__grid        { grid-template-columns: 1fr; }
  .about-intro__layout     { grid-template-columns: 1fr; }
  .about-intro__photo-wrap { width: 100%; max-width: 200px; }
  .signals-grid            { grid-template-columns: 1fr; }
  .footer__inner           { flex-direction: column; align-items: center; }
  .footer__right           { align-items: center; padding-top: 0; }
  .footer__contact         { justify-content: center; }
  .footer__meta            { text-align: center; }
  .circles-grid            { grid-template-columns: 1fr; gap: 1rem; }
  .testimonials__grid      { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero__actions             { flex-direction: column; }
  .contact-section__actions  { flex-direction: column; align-items: center; }
  .proof__credentials        { gap: 1rem 2rem; }
  .nav__logo-text            { display: none; }
}