/* ============================================================
   Orchid Internship Program — Design System
   ============================================================ */

:root {
  /* Colors */
  --bg:          #FBF8F3;   /* warm off-white */
  --bg-alt:      #F4EEE4;   /* warmer section band */
  --bg-deep:     #EBE2D3;   /* strongest panel tone */
  --ink:         #2A2320;   /* body text — warm charcoal */
  --ink-soft:    #5C534E;   /* secondary text */
  --ink-muted:   #8A807A;   /* captions, meta */
  --accent:      #8B6C8E;   /* muted orchid */
  --accent-deep: #6B4D6E;   /* hover / active */
  --accent-soft: #EDE2EE;   /* tinted backgrounds */
  --sage:        #6B8E5A;   /* sparingly, for growth nods */
  --sage-soft:   #E3EAD9;
  --border:      #E4DBCC;
  --border-soft: #EFE8DA;

  /* Type — matches orchidinitiative.com (Jost is the open-source Futura revival; swap to Futura LT if licensed) */
  --f-display: 'Jost', 'Futura', 'Futura LT', 'Helvetica Neue', Helvetica, sans-serif;
  --f-body:    'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --f-mono:    'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;

  /* Scale */
  --fs-xs:  0.8125rem;   /* 13px */
  --fs-sm:  0.9375rem;   /* 15px */
  --fs-base: 1.0625rem;  /* 17px — slightly larger body */
  --fs-md:  1.1875rem;   /* 19px */
  --fs-lg:  1.5rem;      /* 24px */
  --fs-xl:  2rem;        /* 32px */
  --fs-2xl: 2.75rem;     /* 44px */
  --fs-3xl: 3.75rem;     /* 60px */
  --fs-4xl: 5rem;        /* 80px */

  /* Space & shape */
  --max-w: 1100px;
  --max-w-prose: 680px;
  --radius: 10px;
  --radius-lg: 20px;

  /* Motion */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ------------------------------------------------------------
   Reset
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: var(--fs-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* ------------------------------------------------------------
   Typography
   ------------------------------------------------------------ */
h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 0.5em;
  letter-spacing: -0.005em;
}
h1 {
  font-size: clamp(2.5rem, 6vw, var(--fs-4xl));
  line-height: 1.05;
  letter-spacing: -0.025em;
}
h2 {
  font-size: clamp(2rem, 4vw, var(--fs-2xl));
  line-height: 1.1;
  letter-spacing: -0.02em;
}
h3 {
  font-size: var(--fs-lg);
  line-height: 1.25;
  font-weight: 500;
}
p { margin: 0 0 1.1em; max-width: var(--max-w-prose); }
p:last-child { margin-bottom: 0; }
strong { font-weight: 600; }

.eyebrow {
  font-family: var(--f-body);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
  color: var(--accent-deep);
  margin-bottom: 1rem;
  display: inline-block;
}
.lede {
  font-size: var(--fs-md);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 52ch;
}
.quiet { color: var(--ink-soft); }

/* ------------------------------------------------------------
   Layout
   ------------------------------------------------------------ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section {
  padding: clamp(4rem, 10vw, 7rem) 0;
}
.section--alt  { background: var(--bg-alt); }
.section--deep { background: var(--bg-deep); }
.section-head {
  max-width: 44rem;
  margin-bottom: 3rem;
}

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

.stack > * + * { margin-top: 1rem; }
.stack-lg > * + * { margin-top: 2rem; }

/* ------------------------------------------------------------
   Header / nav
   ------------------------------------------------------------ */
.site-header {
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease);
  z-index: 10;
}
.site-header.is-scrolled {
  border-bottom-color: var(--border-soft);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--f-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.logo-mark {
  width: 28px;
  height: 28px;
  color: var(--accent);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-links a {
  font-size: var(--fs-sm);
  color: var(--ink-soft);
  transition: color 150ms var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.is-active { color: var(--ink); font-weight: 500; }

/* ------------------------------------------------------------
   Buttons
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  font-family: var(--f-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 180ms var(--ease);
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--ink);
  color: var(--bg);
}
.btn--primary:hover {
  background: var(--accent-deep);
  transform: translateY(-1px);
}
.btn--secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}
.btn--secondary:hover {
  border-color: var(--ink);
  background: var(--bg-alt);
}
.btn--ghost {
  background: transparent;
  color: var(--accent-deep);
  padding: 0.5rem 0;
}
.btn--ghost:hover { color: var(--ink); }
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.arrow::after {
  content: "→";
  margin-left: 0.35rem;
  transition: transform 180ms var(--ease);
  display: inline-block;
}
.arrow:hover::after { transform: translateX(3px); }

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */
.hero {
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 7vw, 5rem);
  position: relative;
  overflow: hidden;
}
.hero__inner {
  max-width: 900px;
}
.hero h1 {
  margin-bottom: 1.5rem;
}
.hero .lede {
  font-size: var(--fs-md);
  max-width: 36rem;
  margin-bottom: 2.5rem;
}
.hero__ornament {
  position: absolute;
  right: -80px;
  top: 40px;
  width: 420px;
  opacity: 0.25;
  pointer-events: none;
  color: var(--accent);
}

/* ------------------------------------------------------------
   Cards
   ------------------------------------------------------------ */
.card {
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 200ms var(--ease);
}
.card--on-alt { background: var(--bg); }
.card:hover {
  border-color: var(--border);
  transform: translateY(-2px);
}
.card h3 {
  margin-bottom: 0.5rem;
}
.card__number {
  font-family: var(--f-display);
  font-size: var(--fs-lg);
  color: var(--accent);
  display: block;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

/* ------------------------------------------------------------
   Pull / quote
   ------------------------------------------------------------ */
.pull {
  font-family: var(--f-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.3;
  font-style: italic;
  letter-spacing: -0.015em;
  color: var(--ink);
  padding-left: 1.25rem;
  border-left: 2px solid var(--accent);
  max-width: 48rem;
}

/* ------------------------------------------------------------
   Steps (numbered vertical list)
   ------------------------------------------------------------ */
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
}
.steps > li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.25rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border-soft);
}
.steps > li:last-child { border-bottom: 1px solid var(--border-soft); }
.steps > li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--f-display);
  font-size: var(--fs-lg);
  color: var(--accent);
  font-weight: 400;
}
.steps h3 { margin-bottom: 0.75rem; }
.steps p { color: var(--ink-soft); }

/* ------------------------------------------------------------
   Code
   ------------------------------------------------------------ */
code, pre {
  font-family: var(--f-mono);
  font-size: 0.9em;
}
code {
  background: var(--bg-deep);
  color: var(--ink);
  padding: 0.15em 0.45em;
  border-radius: 4px;
  border: 1px solid var(--border-soft);
}
pre {
  background: #1F1A18;
  color: #F4EEE4;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 1.5rem 0;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}

/* ------------------------------------------------------------
   Callouts
   ------------------------------------------------------------ */
.callout {
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 4px;
  margin: 1.5rem 0;
  max-width: var(--max-w-prose);
}
.callout--sage {
  border-left-color: var(--sage);
  background: var(--sage-soft);
}
.callout p { margin: 0; }
.callout strong { display: block; margin-bottom: 0.35rem; }

/* ------------------------------------------------------------
   CTA band
   ------------------------------------------------------------ */
.cta-band {
  background: var(--ink);
  color: var(--bg);
  padding: clamp(3rem, 7vw, 5rem) 0;
  text-align: center;
}
.cta-band h2 { color: var(--bg); margin-bottom: 1rem; }
.cta-band .lede { color: color-mix(in srgb, var(--bg) 75%, transparent); margin: 0 auto 2rem; }
.cta-band .btn--primary { background: var(--bg); color: var(--ink); }
.cta-band .btn--primary:hover { background: var(--accent-soft); color: var(--ink); }
.cta-band .btn--secondary { color: var(--bg); border-color: color-mix(in srgb, var(--bg) 30%, transparent); }
.cta-band .btn--secondary:hover { border-color: var(--bg); background: transparent; }

/* ------------------------------------------------------------
   Split CTA (side-by-side role choice)
   ------------------------------------------------------------ */
.split-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.split-cta__panel {
  background: var(--bg);
  padding: 3rem 2.5rem;
  transition: background 180ms var(--ease);
}
.split-cta__panel:hover { background: var(--bg-alt); }
.split-cta__panel .eyebrow { color: var(--accent-deep); }
.split-cta__panel h3 {
  font-family: var(--f-display);
  font-size: var(--fs-xl);
  margin-bottom: 0.75rem;
}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.site-footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border-soft);
  color: var(--ink-soft);
  font-size: var(--fs-sm);
}
.site-footer a { color: var(--ink-soft); }
.site-footer a:hover { color: var(--ink); }
.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

/* ------------------------------------------------------------
   Setup-guide specific
   ------------------------------------------------------------ */
.guide-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 4rem;
  align-items: start;
  padding: 3rem 0 5rem;
}
.toc {
  position: sticky;
  top: 100px;
  font-size: var(--fs-sm);
}
.toc__title {
  font-family: var(--f-body);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  margin-bottom: 0.9rem;
}
.toc ul { list-style: none; padding: 0; margin: 0; }
.toc li + li { margin-top: 0.45rem; }
.toc a {
  color: var(--ink-soft);
  display: block;
  padding: 0.2rem 0;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  margin-left: -0.75rem;
  transition: all 150ms var(--ease);
}
.toc a:hover { color: var(--ink); }
.toc a.is-active {
  color: var(--accent-deep);
  border-left-color: var(--accent);
}
.guide-body h2 {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-soft);
}
.guide-body h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.guide-body h3 { margin-top: 2rem; }
.guide-body ul, .guide-body ol {
  max-width: var(--max-w-prose);
  padding-left: 1.25rem;
}
.guide-body li + li { margin-top: 0.35rem; }
.guide-body a { color: var(--accent-deep); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.guide-body a:hover { text-decoration-color: var(--accent); }

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 860px) {
  .grid--3 { grid-template-columns: 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
  .split-cta { grid-template-columns: 1fr; }
  .guide-layout { grid-template-columns: 1fr; gap: 2rem; }
  .toc { position: static; }
  .nav-links { gap: 1.25rem; }
  .hero__ornament { display: none; }
}
@media (max-width: 560px) {
  .nav-links a.hide-mobile { display: none; }
}