/* =============================================================
   CSC — Design System
   Editorial / refined-minimalism. Scandinavian restraint.
   ============================================================= */

/* ---- Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500&family=Inter:wght@400;500;600&display=swap');

/* ---- Tokens ---- */
:root {
  /* Color — CSC brand palette */
  --ink: #1F1033;            /* deep aubergine, body text */
  --ink-soft: #5A4870;       /* secondary text */
  --ink-muted: #8E82A2;      /* tertiary / captions */
  --paper: #FBF9FC;          /* near-white with the faintest violet warmth */
  --paper-2: #F3EEF7;        /* soft lavender background */
  --line: #E5DCEF;           /* hairline border */
  --line-2: #D2C5E2;         /* stronger border */
  --accent: #7030A0;         /* CSC primary purple — matches logo */
  --accent-deep: #4A1875;    /* the dark centre dot — used sparingly */
  --accent-soft: #E8D5F2;    /* pale purple for chips and badges */
  --accent-ink: #FFFFFF;
  --highlight: #FFE3F0;      /* CSC pink for callouts */
  --highlight-ink: #8B1B58;  /* dark berry for text on pink */

  /* Type */
  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;

  /* Spacing */
  --gutter: clamp(20px, 4vw, 48px);
  --section-y: clamp(72px, 10vw, 128px);

  /* Layout */
  --max: 1240px;
  --max-prose: 660px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ---- Type scale ---- */
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
}
h1, .h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}
h2, .h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink);
}
h3, .h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.3;
  margin: 0;
  color: var(--ink);
  letter-spacing: -0.005em;
}
p { margin: 0 0 1em; color: var(--ink-soft); }
.lede {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(19px, 2vw, 22px);
  line-height: 1.5;
  color: var(--ink);
}

/* ---- Layout ---- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section-y) 0; }
.section--tight { padding: calc(var(--section-y) * 0.6) 0; }
.section--paper2 { background: var(--paper-2); }
.section--ink { background: var(--ink); color: var(--paper); }
.section--ink .eyebrow { color: var(--ink-muted); }
.section--ink h1, .section--ink h2, .section--ink h3, .section--ink p { color: var(--paper); }
.divide-top { border-top: 1px solid var(--line); }
.divide-bot { border-bottom: 1px solid var(--line); }

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 249, 252, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}

/* ---- Promo banner (above sticky header on homepages) ---- */
.promo-banner {
  background: var(--accent);
  color: var(--paper);
  text-align: center;
  padding: 10px 24px;
  font-size: 13px;
  letter-spacing: 0.01em;
}
.promo-banner strong { font-weight: 600; }
.promo-banner a {
  color: var(--highlight);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-left: 10px;
  font-weight: 500;
}
.promo-banner a:hover { color: var(--paper); }
@media (max-width: 560px) { .promo-banner { font-size: 12px; } .promo-banner a { display: inline-block; margin-left: 6px; } }
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand__mark {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  color: var(--accent);
  flex-shrink: 0;
}
.brand__mark svg { width: 100%; height: 100%; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-family: var(--font-serif); font-weight: 500; }
.brand__tag {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 3px;
}
.nav { display: flex; align-items: center; gap: 28px; }
.nav__link {
  font-size: 14px;
  color: var(--ink-soft);
  transition: color 0.15s;
}
.nav__link:hover { color: var(--ink); }
.nav__lang {
  padding-left: 28px;
  border-left: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-soft);
}
.nav__cta {
  background: var(--accent);
  color: var(--paper);
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 3px;
  border: 1px solid var(--accent);
  transition: background 0.15s, color 0.15s;
}
.nav__cta:hover { background: var(--accent-deep); border-color: var(--accent-deep); }

/* Mobile nav */
.nav-toggle { display: none; background: none; border: 0; padding: 8px; }
.nav-toggle__bars { display: block; width: 22px; height: 2px; background: var(--ink); position: relative; }
.nav-toggle__bars::before, .nav-toggle__bars::after {
  content: ''; position: absolute; left: 0; width: 22px; height: 2px; background: var(--ink);
}
.nav-toggle__bars::before { top: -7px; }
.nav-toggle__bars::after { top: 7px; }

@media (max-width: 880px) {
  .nav { display: none; }
  .nav-toggle { display: block; }
  .nav.is-open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 16px;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--paper);
    padding: 24px var(--gutter);
    border-bottom: 1px solid var(--line);
  }
  .nav.is-open .nav__lang { padding-left: 0; border-left: none; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px;
  border-radius: 3px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform 0.15s, background 0.15s, color 0.15s, border-color 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--accent); color: var(--paper); border-color: var(--accent); }
.btn--primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn--ghost:hover { background: var(--accent); color: var(--paper); border-color: var(--accent); }

/* ---- Promo banner (above hero) ---- */
.promo-banner {
  background: var(--accent);
  color: var(--accent-ink);
  padding: 10px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.promo-banner__hook {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 16px;
}
.promo-banner__sep { opacity: 0.5; }
.promo-banner a {
  color: var(--accent-ink);
  border-bottom: 1px solid rgba(255,255,255,0.5);
  padding-bottom: 1px;
}
.promo-banner a:hover { border-bottom-color: var(--accent-ink); }
@media (max-width: 640px) {
  .promo-banner { font-size: 12px; padding: 8px 12px; gap: 8px; }
  .promo-banner__hook { font-size: 13px; }
  .promo-banner__sep, .promo-banner__cta { display: none; }
}

/* ---- Hero ---- */
.hero { padding: clamp(80px, 12vw, 140px) 0 clamp(60px, 8vw, 96px); }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: end;
}
.hero__tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--highlight);
  color: var(--highlight-ink);
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 24px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.hero__tag::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--highlight-ink);
}
.hero h1 em {
  font-style: italic;
  font-family: var(--font-serif);
  font-weight: 300;
}
.hero__sub {
  margin-top: 28px;
  max-width: 560px;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.hero__sub strong { color: var(--ink); font-weight: 600; }
.hero__cta { margin-top: 36px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero__aside {
  border-left: 1px solid var(--line);
  padding-left: clamp(20px, 3vw, 36px);
  font-size: 14px;
  color: var(--ink-soft);
}
.hero__aside dl { margin: 0; display: grid; gap: 18px; }
.hero__aside dt { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: 4px; }
.hero__aside dd { margin: 0; color: var(--ink); font-family: var(--font-serif); font-size: 22px; font-weight: 400; }

@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
  .hero__aside { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; padding-top: 32px; }
  .hero__aside dl { grid-template-columns: 1fr 1fr; }
}

/* ---- Section header ---- */
.s-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: clamp(24px, 4vw, 64px); margin-bottom: clamp(40px, 5vw, 64px); align-items: end; }
.s-head__title { max-width: 24ch; }
.s-head__intro { color: var(--ink-soft); font-size: 17px; line-height: 1.6; max-width: 56ch; }
@media (max-width: 760px) { .s-head { grid-template-columns: 1fr; } }

/* ---- Services grid ---- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.svc {
  background: var(--paper);
  padding: clamp(24px, 3vw, 36px);
  display: flex; flex-direction: column; gap: 12px;
  min-height: 220px;
  transition: background 0.2s;
}
.svc:hover { background: var(--paper-2); }
.svc__num {
  font-family: var(--font-serif);
  font-size: 14px;
  font-style: italic;
  color: var(--ink-muted);
}
.svc__title { font-family: var(--font-serif); font-size: 22px; font-weight: 400; letter-spacing: -0.01em; color: var(--ink); }
.svc__body { font-size: 14px; line-height: 1.55; color: var(--ink-soft); margin: 0; }
@media (max-width: 860px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .svc-grid { grid-template-columns: 1fr; } }

/* ---- Pricing comparison ---- */
.price-grid { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(32px, 5vw, 80px); align-items: start; }
.price-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 28px;
}
.price-card__label { font-size: 13px; color: var(--ink-muted); margin-bottom: 20px; }
.price-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.price-row:last-of-type { border-bottom: 0; }
.price-row--csc { padding-top: 20px; }
.price-row--csc .price-row__name { font-family: var(--font-serif); font-size: 19px; color: var(--highlight-ink); }
.price-row--csc .price-row__value { font-family: var(--font-serif); font-size: 28px; color: var(--highlight-ink); font-weight: 400; }
.price-row__name { color: var(--ink); }
.price-row__value { font-weight: 500; color: var(--ink); }
.price-row--muted .price-row__name, .price-row--muted .price-row__value { color: var(--ink-muted); }
.price-note { font-size: 12px; color: var(--ink-muted); margin-top: 16px; font-style: italic; }
@media (max-width: 860px) { .price-grid { grid-template-columns: 1fr; } }

/* ---- Steps ---- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 36px); counter-reset: step; }
.step { position: relative; padding-top: 36px; border-top: 1px solid var(--line-2); }
.step::before {
  content: counter(step, decimal-leading-zero);
  counter-increment: step;
  position: absolute; top: -1px;
  font-family: var(--font-serif);
  font-size: 13px;
  font-style: italic;
  color: var(--accent);
  background: var(--paper-2);
  padding-top: 14px;
}
.step--paper::before { background: var(--paper); }
.step__title { font-family: var(--font-sans); font-size: 16px; font-weight: 600; margin-bottom: 8px; color: var(--ink); }
.step__body { font-size: 14px; color: var(--ink-soft); line-height: 1.55; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .steps { grid-template-columns: 1fr; } }

/* ---- Team ---- */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 32px); }
.member { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; transition: border-color 0.2s; }
.member:hover { border-color: var(--line-2); }
.member__photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: var(--paper-2);
  filter: grayscale(15%) contrast(1.02);
  transition: filter 0.3s;
}
.member:hover .member__photo { filter: none; }
.member__body { padding: 20px 22px 24px; }
.member__name { font-family: var(--font-serif); font-size: 22px; font-weight: 400; letter-spacing: -0.01em; margin: 0; color: var(--ink); }
.member__role { font-size: 13px; color: var(--accent); margin: 4px 0 12px; font-weight: 500; letter-spacing: 0.02em; }
.member__bio { font-size: 14px; line-height: 1.55; color: var(--ink-soft); margin: 0; }
@media (max-width: 860px) { .team-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .team-grid { grid-template-columns: 1fr; } }

/* ---- Quote ---- */
.quote {
  font-family: var(--font-serif);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  max-width: 26ch;
  color: var(--ink);
}
.quote__attr { margin-top: 28px; font-size: 14px; color: var(--ink-soft); font-style: normal; font-family: var(--font-sans); }
.quote__attr strong { color: var(--ink); font-weight: 600; }

/* ---- Quote pair (two side-by-side testimonials) ---- */
.quote-pair { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 64px); }
.quote-pair blockquote {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(19px, 1.9vw, 23px);
  line-height: 1.45;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.quote-pair blockquote em { font-style: normal; font-weight: 400; }
.quote-pair__attr {
  margin-top: 24px;
  font-size: 14px;
  color: var(--ink-soft);
  font-style: normal;
  font-family: var(--font-sans);
  line-height: 1.5;
}
.quote-pair__attr strong { color: var(--ink); font-weight: 600; }
.quote-pair__attr .muted { color: var(--ink-muted); }
@media (max-width: 760px) { .quote-pair { grid-template-columns: 1fr; gap: 48px; } }

/* ---- Final CTA ---- */
.cta-final { text-align: center; padding: clamp(80px, 10vw, 120px) 0; }
.cta-final h2 { max-width: 18ch; margin: 0 auto 20px; }
.cta-final p { color: var(--ink-soft); margin: 0 auto 32px; max-width: 50ch; font-size: 17px; }

/* ---- Footer ---- */
.site-footer { background: var(--ink); color: var(--paper); padding: clamp(56px, 7vw, 80px) 0 32px; }
.site-footer .eyebrow { color: var(--ink-muted); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: clamp(24px, 4vw, 64px); margin-bottom: 56px; }
.footer-grid h4 { font-family: var(--font-sans); font-size: 13px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); margin: 0 0 16px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; font-size: 14px; color: var(--paper); opacity: 0.85; }
.footer-grid li a:hover { opacity: 1; color: var(--highlight); }
.footer-tag {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 300;
  line-height: 1.2;
  max-width: 18ch;
  margin-bottom: 24px;
}
.footer-bar { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 24px; display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-muted); }
.footer-manifesto {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 16px;
  font-weight: 300;
  color: var(--paper);
  opacity: 0.85;
  padding: 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  max-width: 60ch;
  line-height: 1.4;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-bar { flex-direction: column; gap: 8px; } }

/* ---- Page header (non-home pages) ---- */
.page-header { padding: clamp(100px, 12vw, 160px) 0 clamp(48px, 6vw, 72px); }
.page-header h1 { max-width: 18ch; }
.page-header .lede { margin-top: 28px; max-width: 56ch; }

/* ---- Stats strip ---- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { background: var(--paper); padding: 32px clamp(16px, 2vw, 24px); }
.stat__num { font-family: var(--font-serif); font-size: clamp(32px, 4vw, 44px); font-weight: 400; color: var(--accent); line-height: 1; }
.stat__label { margin-top: 10px; font-size: 13px; color: var(--ink-soft); }
@media (max-width: 760px) { .stats { grid-template-columns: 1fr 1fr; } }

/* ---- Form ---- */
.form { display: grid; gap: 18px; max-width: 560px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: block; }
.form .lbl { font-size: 13px; color: var(--ink-soft); margin-bottom: 6px; display: block; }
.form input, .form textarea, .form select {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  padding: 12px 14px;
  background: var(--paper);
  border: 1px solid var(--line-2);
  border-radius: 3px;
  color: var(--ink);
  transition: border-color 0.15s;
}
.form input:focus, .form textarea:focus, .form select:focus { outline: none; border-color: var(--accent); }
.form textarea { min-height: 120px; resize: vertical; }
@media (max-width: 560px) { .form__row { grid-template-columns: 1fr; } }

/* ---- Contact split ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 80px); }
.contact-info { font-size: 15px; line-height: 1.7; color: var(--ink-soft); }
.contact-info strong { color: var(--ink); display: block; margin-top: 24px; margin-bottom: 4px; }
.contact-info strong:first-child { margin-top: 0; }
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---- Reveal animation ---- */
@keyframes reveal {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
.reveal { animation: reveal 0.7s ease-out backwards; }
.reveal--1 { animation-delay: 0.05s; }
.reveal--2 { animation-delay: 0.15s; }
.reveal--3 { animation-delay: 0.25s; }
.reveal--4 { animation-delay: 0.35s; }
@media (prefers-reduced-motion: reduce) { .reveal { animation: none; } }

/* ---- Utility ---- */
.u-mt-0 { margin-top: 0; }
.u-center { text-align: center; }
.u-link { color: var(--accent); font-weight: 500; }
.u-link:hover { text-decoration: underline; }
.u-soft { color: var(--ink-soft); }