/* ============================================================
   Naomi Robins — site styles
   Modern & bold. Edit the variables below to retheme everything.
   ============================================================ */

:root {
  /* Colors */
  --ink: #0E1116;          /* near-black text */
  --ink-soft: #44505F;     /* secondary text */
  --paper: #FFFFFF;        /* page background */
  --paper-2: #F5F6F8;      /* panels / alt sections */
  --line: #E4E7EC;         /* hairline borders */
  --accent: #2D44FF;       /* bold electric blue */
  --accent-ink: #1B2ECC;   /* darker accent for hover/links */
  --accent-wash: #EEF1FF;  /* very light accent background */

  /* Type */
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  /* Layout */
  --maxw: 1080px;
  --radius: 16px;
  --radius-sm: 10px;
  --gap: clamp(1rem, 2vw, 1.5rem);
}

/* Reset-ish */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout helpers */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2rem); }
.section { padding-block: clamp(3rem, 7vw, 6rem); }
.section--alt { background: var(--paper-2); }
.center { text-align: center; }

/* Typography */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 0.5em; font-weight: 700; }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.6rem); }
p { margin: 0 0 1rem; }
.lead { font-size: clamp(1.15rem, 2.2vw, 1.4rem); color: var(--ink-soft); max-width: 60ch; }
.eyebrow { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.78rem; font-weight: 600; color: var(--accent); margin-bottom: 0.8rem; }
.muted { color: var(--ink-soft); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-display); font-weight: 600; font-size: 1rem;
  padding: 0.8rem 1.4rem; border-radius: 999px; border: 2px solid var(--ink);
  background: var(--ink); color: #fff; cursor: pointer; transition: transform .12s ease, background .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); background: var(--accent); border-color: var(--accent); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.6rem; }

/* Header / nav */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.85); backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; letter-spacing: -0.02em; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .dot { color: var(--accent); }
.nav-links { display: flex; gap: 1.5rem; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--ink); font-weight: 500; font-size: 0.98rem; }
.nav-links a:hover { color: var(--accent); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.6rem; cursor: pointer; color: var(--ink); }

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: 0.5rem 0; display: none; }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 0.9rem clamp(1.1rem, 4vw, 2rem); }
}

/* Hero */
.hero { padding-block: clamp(3.5rem, 9vw, 7rem); }
.hero h1 { max-width: 16ch; }
.hero .lead { margin-top: 1.2rem; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.8rem; }
.tag { font-family: var(--font-display); font-size: 0.82rem; font-weight: 600; padding: 0.35rem 0.8rem; border-radius: 999px; background: var(--accent-wash); color: var(--accent-ink); }

/* Cards / grid */
.grid { display: grid; gap: var(--gap); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px) { .grid--3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .grid--2, .grid--3 { grid-template-columns: 1fr; } }

.card { display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 40px rgba(14,17,22,0.08); border-color: var(--accent); text-decoration: none; }
.card .kicker { font-family: var(--font-display); font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 0.6rem; }
.card h3 { color: var(--ink); margin-bottom: 0.5rem; }
.card p { color: var(--ink-soft); margin-bottom: 1rem; flex: 1; }
.card .more { font-family: var(--font-display); font-weight: 600; color: var(--ink); display: inline-flex; align-items: center; gap: 0.35rem; }
.card:hover .more { color: var(--accent); }

/* Metric stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); margin-top: 2rem; }
@media (max-width: 620px) { .stats { grid-template-columns: 1fr; } }
.stat { border-left: 3px solid var(--accent); padding-left: 1rem; }
.stat .num { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 2.8rem); font-weight: 700; line-height: 1; color: var(--ink); }
.stat .label { color: var(--ink-soft); font-size: 0.95rem; margin-top: 0.4rem; }

/* Article / case study body */
.article { max-width: 720px; }
.article h2 { margin-top: 2.2rem; }
.article h3 { margin-top: 1.8rem; }
.article ul, .article ol { padding-left: 1.3rem; margin: 0 0 1rem; }
.article li { margin-bottom: 0.4rem; }
.article blockquote { margin: 1.6rem 0; padding: 1rem 1.4rem; border-left: 4px solid var(--accent); background: var(--accent-wash); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 1.1rem; }
.meta { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: 1.5rem; display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; }
.meta .sep { opacity: 0.4; }
.backlink { font-family: var(--font-display); font-weight: 600; font-size: 0.9rem; display: inline-flex; gap: 0.4rem; margin-bottom: 1.5rem; }

/* Contact */
.contact-card { background: var(--ink); color: #fff; border-radius: var(--radius); padding: clamp(2rem, 5vw, 3.5rem); }
.contact-card h2 { color: #fff; }
.contact-card .lead { color: #c8cfda; }
.contact-card a.btn { background: #fff; color: var(--ink); border-color: #fff; }
.contact-card a.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.contact-card a.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding-block: 2.5rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; }
.footer-inner .muted { font-size: 0.9rem; }
.footer-links { display: flex; gap: 1.2rem; list-style: none; margin: 0; padding: 0; }
.footer-links a { color: var(--ink); font-size: 0.92rem; }

/* Page header (for sub-pages) */
.page-head { padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 3vw, 2.5rem); }

/* Contact form */
.form { display: grid; gap: 1.1rem; max-width: 620px; }
.form .row { display: grid; gap: 1.1rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .form .row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-family: var(--font-display); font-weight: 600; font-size: 0.9rem; color: var(--ink); }
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--ink);
  padding: 0.8rem 0.9rem; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--paper); width: 100%; transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash);
}
.field textarea { resize: vertical; min-height: 130px; }
.form .btn { justify-content: center; margin-top: 0.4rem; }
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-note { font-size: 0.88rem; color: var(--ink-soft); margin: 0; }
.form-status { font-family: var(--font-display); font-weight: 600; padding: 1rem 1.2rem; border-radius: var(--radius-sm); display: none; }
.form-status.show { display: block; }
.form-status.ok { background: var(--accent-wash); color: var(--accent-ink); border: 1px solid var(--accent); }
.form-status.err { background: #FEECEC; color: #B42318; border: 1px solid #F5B5B5; }

/* Utility */
.divider { height: 1px; background: var(--line); border: 0; margin-block: 0; }