/* ---------------------------------------------------------------------------
   WileySouth — static site styles
   Palette: warm paper, near-black ink, deep green accent, muted gold highlight
   --------------------------------------------------------------------------- */

:root {
  --paper: #f8f5ee;
  --paper-2: #f1ebdd;
  --card: #fffdf8;
  --ink: #1b1a16;
  --ink-soft: #4c483d;
  --muted: #8c8574;
  --line: #e4ddca;
  --green: #33513c;
  --green-deep: #26402e;
  --gold: #b4863f;
  --maxw: 1140px;
  --radius: 16px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --shadow: 0 1px 2px rgba(27, 26, 22, .04), 0 18px 40px -24px rgba(27, 26, 22, .28);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-family: "Space Grotesk", "Inter", system-ui, sans-serif;
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }
a { color: inherit; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 56px);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: 0 0 10px 0;
  z-index: 200;
}
.skip:focus { left: 0; }

/* ---------- Wordmark ---------- */
.wordmark {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  text-decoration: none;
  font-size: 0.95rem;
  padding-left: 0.42em; /* compensate tracking */
  white-space: nowrap;
  color: var(--ink);
}
.wordmark.small { font-size: 0.8rem; letter-spacing: 0.38em; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom-color: var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}
.nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 40px);
  font-size: 0.98rem;
}
.nav a {
  text-decoration: none;
  color: var(--ink-soft);
  transition: color .2s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav .nav-cta {
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 8px 20px;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.nav .nav-cta:hover { background: var(--ink); color: var(--paper); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}

.mobile-nav { display: none; }

@media (max-width: 720px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows .35s var(--ease);
    background: var(--paper);
    border-bottom: 1px solid transparent;
  }
  .site-header.menu-open .mobile-nav {
    grid-template-rows: 1fr;
    border-bottom-color: var(--line);
  }
  .mobile-nav-inner { overflow: hidden; }
  .mobile-nav a {
    display: block;
    padding: 16px clamp(20px, 5vw, 56px);
    text-decoration: none;
    color: var(--ink);
    border-top: 1px solid var(--line);
    font-size: 1.05rem;
  }
  .site-header.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-header.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .site-header.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid var(--ink);
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s var(--ease), background .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--green); border-color: var(--green); color: #fbf9f2; }
.btn-primary:hover { background: var(--green-deep); border-color: var(--green-deep); box-shadow: var(--shadow); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(48px, 12vh, 130px);
  padding-bottom: clamp(64px, 14vh, 150px);
  border-bottom: 1px solid var(--line);
}
.hero-lines {
  position: absolute;
  inset: auto 0 -2px 0;
  height: 62%;
  pointer-events: none;
  color: var(--gold);
  opacity: .28;
  mask-image: linear-gradient(to top, #000 30%, transparent 100%);
}
.hero-lines svg { width: 100%; height: 100%; }
.hero-lines path { fill: none; stroke: currentColor; stroke-width: 1.4; }

.hero-inner { position: relative; max-width: 940px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gold);
  margin-bottom: 26px;
}
.hero h1 {
  font-size: clamp(2.5rem, 6.4vw, 4.6rem);
  letter-spacing: -0.03em;
}
.hero-sub {
  margin-top: 28px;
  max-width: 46ch;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--ink-soft);
}
.hero-actions {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- Sections ---------- */
.section {
  padding-block: clamp(64px, 13vh, 136px);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 84px;
}
.section-head { max-width: 720px; margin-bottom: clamp(40px, 7vw, 72px); }
.tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--gold);
  margin-bottom: 18px;
}
.section-head h2 { font-size: clamp(1.9rem, 4vw, 3rem); }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 44px);
}
.about-item {
  border-top: 2px solid var(--ink);
  padding-top: 22px;
}
.about-item .num {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}
.about-item h3 {
  font-size: 1.28rem;
  margin: 14px 0 12px;
}
.about-item p { color: var(--ink-soft); font-size: 1rem; }

@media (max-width: 820px) {
  .about-grid { grid-template-columns: 1fr; gap: 0; }
  .about-item { border-top: 1px solid var(--line); padding-block: 26px; }
  .about-item:first-child { border-top: 2px solid var(--ink); }
}

/* ---------- Services ---------- */
.service-list { list-style: none; margin: 0; padding: 0; }
.service {
  display: grid;
  grid-template-columns: 56px 64px 1fr;
  align-items: center;
  gap: clamp(16px, 3vw, 36px);
  padding: clamp(22px, 3.4vw, 34px) 0;
  border-top: 1px solid var(--line);
}
.service:last-child { border-bottom: 1px solid var(--line); }
.service .num {
  font-family: "Space Grotesk", sans-serif;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
}
.service .ico {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--green);
  background: var(--card);
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.service .ico svg { width: 28px; height: 28px; }
.service:hover .ico {
  background: var(--green);
  border-color: var(--green);
  color: #fbf9f2;
  transform: rotate(-4deg);
}
.service-copy h3 { font-size: 1.24rem; margin-bottom: 6px; }
.service-copy p { color: var(--ink-soft); font-size: 1rem; }

@media (max-width: 620px) {
  .service {
    grid-template-columns: 48px 1fr;
    grid-template-areas: "num ico" "copy copy";
    row-gap: 14px;
  }
  .service .num { grid-area: num; align-self: center; }
  .service .ico { grid-area: ico; justify-self: start; width: 52px; height: 52px; }
  .service .ico svg { width: 24px; height: 24px; }
  .service-copy { grid-area: copy; }
}

/* ---------- Connect ---------- */
.connect-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(36px, 6vw, 88px);
  align-items: start;
}
.connect .section-head { margin-bottom: 0; }
.connect-lead { margin-top: 20px; color: var(--ink-soft); }
.connect-email { margin-top: 18px; font-size: 0.98rem; color: var(--muted); }
.connect-email a { color: var(--green); text-underline-offset: 3px; }

.form { display: grid; gap: 18px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label {
  display: grid;
  gap: 8px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.form input,
.form textarea {
  font: inherit;
  letter-spacing: normal;
  text-transform: none;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 14px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--green) 18%, transparent);
}
.form textarea { resize: vertical; min-height: 120px; }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form button { margin-top: 4px; justify-self: start; }

.form-status { font-size: 0.95rem; min-height: 1.2em; letter-spacing: normal; text-transform: none; }
.form-status.ok { color: var(--green); }
.form-status.error { color: #a8442f; }

@media (max-width: 860px) {
  .connect-inner { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .form .row { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.site-footer { padding-block: clamp(44px, 8vh, 76px); background: var(--paper-2); }
.footer-inner { display: grid; gap: 12px; }
.footer-tag { max-width: 44ch; color: var(--ink-soft); }
.footer-legal { color: var(--muted); font-size: 0.9rem; }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
.section-head.reveal.in ~ * .reveal,
.reveal.in { transition-delay: 0s; }
.about-item.reveal:nth-child(2) { transition-delay: .08s; }
.about-item.reveal:nth-child(3) { transition-delay: .16s; }
.service.reveal:nth-child(2) { transition-delay: .05s; }
.service.reveal:nth-child(3) { transition-delay: .1s; }
.service.reveal:nth-child(4) { transition-delay: .15s; }
.service.reveal:nth-child(5) { transition-delay: .2s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}