/* WiseEarth — Software Design & Delivery
   Single-page site. Warm off-white, deep ink, oxblood accent.
   Fraunces for display, Inter for body.
*/

/* ------------------------------------------------------------------ Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
a { color: inherit; }

/* ----------------------------------------------------------------- Tokens */
:root {
  --paper:        #f4f1ea;
  --paper-soft:   #ece7dc;
  --ink:          #1a1d22;
  --ink-soft:     #3a3e44;
  --ink-mute:     #6b6e74;
  --rule:         #c9c2af;
  --rule-soft:    #d8d1bd;
  --accent:       #6b1f23;

  --serif:  "Fraunces", "Times New Roman", Georgia, serif;
  --sans:   "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;

  --measure-narrow: 36rem;
  --container-px: clamp(1.25rem, 4vw, 3rem);
  --container-max: 72rem;

  --t-fast: 180ms cubic-bezier(.2,.6,.2,1);
  --t-med:  320ms cubic-bezier(.2,.6,.2,1);
}

/* -------------------------------------------------------------- Typography */
html { font-size: 17px; scroll-behavior: smooth; }
@media (min-width: 1100px){ html { font-size: 18px; } }

body {
  font-family: var(--sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.012em;
  margin: 0 0 .6em;
  line-height: 1.15;
}

p { margin: 0 0 1em; max-width: var(--measure-narrow); }
.lead { font-size: 1.15rem; line-height: 1.65; color: var(--ink); max-width: var(--measure-narrow); }

.eyebrow {
  font-family: var(--sans);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: inline-block;
}
.eyebrow.dark { color: var(--ink-soft); }

a { text-decoration: none; }

/* --------------------------------------------------------------- Layout  */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--paper);
  padding: .6rem 1rem;
}
.skip:focus { left: 1rem; top: 1rem; z-index: 100; }

/* --------------------------------------------------------------- Header  */
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in oklab, var(--paper) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-med), background var(--t-med);
}
.site-header.is-scrolled {
  border-bottom-color: var(--rule-soft);
  background: color-mix(in oklab, var(--paper) 96%, transparent);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}
.brand {
  display: inline-flex; align-items: baseline; gap: .7rem;
  color: var(--ink);
}
.brand-name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.primary-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 2rem;
}
.primary-nav a {
  font-size: .9rem;
  color: var(--ink-soft);
  position: relative;
  padding: .25rem 0;
  transition: color var(--t-fast);
}
.primary-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: var(--ink); transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-med);
}
.primary-nav a:hover { color: var(--ink); }
.primary-nav a:hover::after { transform: scaleX(1); }

.nav-cta {
  font-size: .86rem;
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: .5rem 1rem;
  border-radius: 999px;
  transition: background var(--t-fast), color var(--t-fast);
}
.nav-cta:hover { background: var(--ink); color: var(--paper); }

.nav-toggle { display: none; width: 36px; height: 36px; position: relative; }
.nav-toggle span {
  display: block; height: 1px; background: var(--ink);
  position: absolute; left: 6px; right: 6px;
  transition: transform var(--t-med), opacity var(--t-fast), top var(--t-med);
}
.nav-toggle span:nth-child(1){ top: 12px; }
.nav-toggle span:nth-child(2){ top: 18px; }
.nav-toggle span:nth-child(3){ top: 24px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ top:18px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ top:18px; transform: rotate(-45deg); }

@media (max-width: 780px){
  .primary-nav, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .site-header.is-open .primary-nav {
    display: block;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--paper);
    border-bottom: 1px solid var(--rule-soft);
    padding: 1rem var(--container-px) 1.5rem;
  }
  .site-header.is-open .primary-nav ul { flex-direction: column; gap: .9rem; }
}

/* ------------------------------------------------------------------ Hero */
.hero {
  position: relative;
  padding: clamp(5rem, 10vw, 10rem) 0 clamp(3.5rem, 7vw, 6rem);
  border-bottom: 1px solid var(--rule-soft);
  overflow: hidden;
  background: linear-gradient(160deg, var(--paper) 0%, #e8e4da 100%);
}
.hero-bg {
  position: absolute; inset: 0;
  pointer-events: none;
}
#hero-canvas {
  width: 100%; height: 100%;
  opacity: .6;
}
/* Decorative corner accents */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  width: 280px; height: 280px;
  border: 1px solid var(--rule);
  border-radius: 50%;
  opacity: .3;
}
.hero::before { top: -100px; right: -60px; }
.hero::after { bottom: -140px; left: -80px; width: 360px; height: 360px; }
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}
.hero-meta { color: var(--ink-mute); }
.hero-title {
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.018em;
  font-weight: 500;
  max-width: 22ch;
  margin: 0;
}
.hero-foot {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
  align-items: end;
}
.hero-lede { max-width: 40rem; color: var(--ink-soft); font-size: 1.05rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }

@media (min-width: 900px){
  .hero-foot { grid-template-columns: 1.5fr 1fr; gap: 4rem; }
  .hero-actions { justify-self: end; align-self: end; }
}

/* --------------------------------------------------------------- Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--sans);
  font-size: .9rem;
  font-weight: 500;
  padding: .8rem 1.3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--accent); }
.btn-ghost { border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* --------------------------------------------------------------- Sections */
.section { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.section-soft { background: var(--paper-soft); border-block: 1px solid var(--rule-soft); position: relative; overflow: hidden; }

/* Grid lines decoration */
.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(90deg, var(--rule-soft) 1px, transparent 1px),
    linear-gradient(0deg, var(--rule-soft) 1px, transparent 1px);
  background-size: 4rem 4rem;
  opacity: .4;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
}

/* ----------------------------------------------------------- Stats bar */
/* (removed) */

.section-head { margin-bottom: clamp(2rem, 4vw, 3rem); max-width: 44rem; }
.section-title {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  font-weight: 500;
  margin: .6rem 0 0;
  max-width: 28ch;
}

.two-col {
  display: grid; gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: 1fr;
}
@media (min-width: 900px){
  .two-col { grid-template-columns: 1fr 1.6fr; }
}
.col-label .section-title { margin-top: .8rem; }
.col-body p { color: var(--ink-soft); }

/* ---------------------------------------------------- Services grid */
.services-grid {
  position: relative;
  display: grid; gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 700px){ .services-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (min-width: 1000px){ .services-grid { grid-template-columns: 1fr 1fr 1fr; } }

.svc-card {
  padding: 2rem 1.6rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  transition: border-color var(--t-med), box-shadow var(--t-med);
}
.svc-card:hover {
  border-color: var(--ink-mute);
  box-shadow: 0 4px 20px rgba(0,0,0,.06);
}
.svc-card .num {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink-mute);
  font-size: .85rem;
  display: block;
  margin-bottom: .6rem;
}
.svc-icon {
  width: 40px; height: 40px;
  color: var(--accent);
  margin-bottom: 1rem;
}
.svc-icon svg { width: 100%; height: 100%; }
.svc-card h3 {
  font-size: 1.15rem;
  margin: 0 0 .5em;
  font-weight: 500;
}
.svc-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: .93rem;
  max-width: 32rem;
}

/* ---------------------------------------------------- Process list */
.process-list {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 0;
  border-top: 1px solid var(--rule);
  position: relative;
}
.process-list::before {
  content: "";
  position: absolute;
  left: 2.8rem;
  top: 2.5rem;
  bottom: 2.5rem;
  width: 1px;
  background: linear-gradient(to bottom, var(--rule), var(--accent), var(--rule));
  opacity: .5;
}
@media (min-width: 700px){
  .process-list::before { left: 3.6rem; }
}
.process-list li {
  padding: 2rem 0 2rem 4.5rem;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr;
  gap: .6rem;
  position: relative;
}
@media (min-width: 700px){
  .process-list li {
    padding-left: 5.5rem;
    grid-template-columns: 12rem 1fr;
    gap: 2rem;
    align-items: baseline;
  }
}
.process-step {
  display: flex; align-items: baseline; gap: 1rem;
}
.process-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--accent);
  line-height: 1;
  position: absolute;
  left: 0;
  width: 2.2rem;
  text-align: center;
}
@media (min-width: 700px){
  .process-num { left: 0; width: 2.8rem; }
}
.process-list h3 {
  font-size: 1.2rem;
  margin: 0;
  font-weight: 500;
}
.process-list p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 40rem;
}

/* ---------------------------------------------------- Work grid */
.work-grid {
  display: grid; gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 700px){ .work-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (min-width: 1000px){ .work-grid { grid-template-columns: 1fr 1fr 1fr; } }

.work-card {
  padding: 1.8rem;
  background: var(--paper);
  border: 1px solid var(--rule-soft);
  position: relative;
  transition: border-color var(--t-med), transform var(--t-med), box-shadow var(--t-med);
}
.work-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--ink));
  opacity: 0;
  transition: opacity var(--t-med);
}
.work-card:hover {
  border-color: var(--ink-mute);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,0,0,.07);
}
.work-card:hover::before { opacity: 1; }
.work-card h3 {
  font-size: 1.1rem;
  margin: 0 0 .5em;
  font-weight: 500;
}
.work-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: .93rem;
  max-width: 30rem;
}

/* ---------------------------------------------------- Tech grid */
.tech-grid {
  display: grid; gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 600px){ .tech-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (min-width: 900px){ .tech-grid { grid-template-columns: 1fr 1fr 1fr 1fr; } }

.tech-group {
  padding: 1.5rem;
  border: 1px solid var(--rule-soft);
  background: var(--paper-soft);
}
.tech-badge {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--sans);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--paper);
  background: var(--ink);
  border-radius: 6px;
  margin-bottom: 1rem;
}
.tech-group h4 {
  font-family: var(--sans);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
  margin: 0 0 .6rem;
}
.tech-group p {
  margin: 0;
  color: var(--ink-soft);
  font-size: .9rem;
  line-height: 1.6;
}

/* ------------------------------------------------------------ Principles */
.principles dl {
  margin: 0;
  display: grid; gap: 1.6rem;
  grid-template-columns: 1fr;
}
@media (min-width: 700px){ .principles dl { grid-template-columns: 1fr 1fr; gap: 2rem 3rem; } }
.principles dt {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: .3rem;
}
.principles dd {
  margin: 0;
  color: var(--ink-soft);
  max-width: 28rem;
  font-size: .95rem;
}

/* --------------------------------------------------------- Code block */
.code-block {
  margin-top: 2rem;
  background: var(--paper-soft);
  border: 1px solid var(--rule-soft);
  border-radius: 8px;
  padding: 1.4rem 1.6rem;
  overflow-x: auto;
  position: relative;
}
.code-block::before {
  content: "";
  position: absolute; top: .9rem; left: 1rem;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #d4a0a0;
  box-shadow: 14px 0 0 #c9b87a, 28px 0 0 #8cb88c;
}
.code-block code {
  display: block;
  font-family: "SF Mono", "Fira Code", "JetBrains Mono", monospace;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--ink-soft);
  padding-top: .8rem;
}
.code-block .ck { color: #7c5caa; }
.code-block .cs { color: #4a7a3a; }
.code-block .cn { color: #b35c2a; }

/* ----------------------------------------------------------- Contact  */
.contact-section {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}
.contact-layout {
  display: grid; gap: clamp(2.5rem, 5vw, 4rem);
  grid-template-columns: 1fr;
}
@media (min-width: 900px){
  .contact-layout { grid-template-columns: 1fr 1.2fr; gap: 5rem; }
}
.contact-intro .section-title { margin-top: .8rem; color: var(--paper); }
.contact-intro > p { color: rgba(255,255,255,.6); margin-bottom: 2rem; }

.contact-info { display: grid; gap: 1.2rem; }
.contact-info h4 {
  font-family: var(--sans);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  font-weight: 500;
  margin: 0 0 .25rem;
}
.contact-info p { margin: 0; color: rgba(255,255,255,.7); font-size: .93rem; }
.contact-info a { color: rgba(255,255,255,.7); border-bottom: 1px solid rgba(255,255,255,.25); transition: border-color var(--t-fast); }
.contact-info a:hover { border-bottom-color: var(--paper); }

.contact-section .eyebrow { color: rgba(255,255,255,.5); }

.contact-form { display: grid; gap: 1.4rem; }
.field { display: grid; gap: .4rem; }
.field label {
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  font-weight: 500;
}
.field input,
.field textarea {
  font: inherit;
  font-size: .95rem;
  background: transparent;
  color: var(--paper);
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.25);
  padding: .7rem 0;
  border-radius: 0;
  transition: border-color var(--t-fast);
  width: 100%;
}
.field textarea {
  min-height: 7rem;
  resize: vertical;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--paper);
}
.field input::placeholder,
.field textarea::placeholder {
  color: rgba(255,255,255,.35);
}
.contact-form .btn {
  justify-self: start;
  margin-top: .5rem;
  background: var(--paper);
  color: var(--ink);
}
.contact-form .btn:hover {
  background: var(--accent);
  color: var(--paper);
}

/* -------------------------------------------------------------- Footer  */
.site-footer {
  background: var(--paper);
  border-top: 1px solid var(--rule-soft);
  padding: 1.5rem 0;
  font-size: .85rem;
  color: var(--ink-mute);
}
.foot-meta {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  align-items: center;
}
.foot-meta p { margin: 0; }
.foot-legal { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.5rem; }
.foot-legal a { color: var(--ink-soft); border-bottom: 1px solid transparent; transition: border-color var(--t-fast); }
.foot-legal a:hover { border-bottom-color: var(--rule); }

/* ----------------------------------------------- Reveal animation */
[data-reveal] {
  opacity: 0; transform: translateY(14px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(.2,.6,.2,1);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------------------------------------------- Reduced motion */
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after { transition-duration: 0ms !important; animation-duration: 0ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ----------------------------------------------------------- Print */
@media print {
  .site-header, .site-footer, .cta { display: none; }
  body { background: #fff; color: #000; }
}