/*
  InnoDev — global stylesheet
  No framework dependency (no Bootstrap) — hand-written, minimal, single file.
*/

/* -------------------------------------------------- */
/* 1. Font */
/* -------------------------------------------------- */
@font-face {
  font-family: 'Geologica';
  src: url('../assets/fonts/Geologica-Variable.woff2') format('woff2-variations');
  font-weight: 100 900; /* variable font — full weight range in one file */
  font-style: normal;
  font-display: swap;
}

/* -------------------------------------------------- */
/* 2. Tokens */
/* -------------------------------------------------- */
:root {
  /* Brand */
  --color-primary: #7431fb;
  --color-primary-dark: #5c1fd4;
  --color-primary-light: #d0afed;
  --color-surface: #f7f4fc;
  --color-border: #e8e1f5;

  /* Neutrals */
  --color-ink: #140a26;      /* headings — purple-tinted near-black, not flat #000 */
  --color-body: #4a4458;     /* body copy */
  --color-muted: #7a7488;
  --color-white: #ffffff;

  /* Type */
  --font-base: 'Geologica', sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Code', Menlo, Consolas, monospace;

  /* Layout */
  --container: 1160px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-soft: 0 20px 50px -20px rgba(20, 10, 38, 0.25);
  --header-h: 84px;
}

/* -------------------------------------------------- */
/* 3. Reset */
/* -------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-base);
  color: var(--color-body);
  background: var(--color-white);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea { font: inherit; }

h1, h2, h3, h4 {
  color: var(--color-ink);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.4rem, 4.4vw, 3.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); letter-spacing: -0.015em; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.05rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* -------------------------------------------------- */
/* 4. Utilities */
/* -------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--color-primary);
}

.section { padding: 96px 0; }
.section--surface { background: var(--color-surface); }
.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head p { color: var(--color-muted); margin-top: 14px; }
.section-head--center { margin-inline: auto; text-align: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
.btn--primary {
  background: var(--color-ink);
  color: var(--color-white);
}
.btn--primary:hover { background: var(--color-primary); transform: translateY(-2px); }
.btn--outline {
  border: 1px solid var(--color-border);
  color: var(--color-ink);
}
.btn--outline:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); }
.btn--text {
  color: var(--color-primary);
  padding: 0;
  border-radius: 0;
  font-size: 0.92rem;
}
.btn--text::after { content: '→'; transition: transform 0.15s ease; }
.btn--text:hover::after { transform: translateX(4px); }

/* -------------------------------------------------- */
/* 5. Header */
/* -------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-logo img { height: 30px; width: auto; }

.site-nav { display: flex; align-items: center; gap: 8px; }
.site-nav > ul { display: flex; align-items: center; gap: 4px; }
.site-nav a {
  display: block;
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}
.site-nav > ul > li > a:hover,
.site-nav > ul > li.is-open > a { background: var(--color-surface); color: var(--color-primary); }

.has-dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 260px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { border-radius: 8px; padding: 10px 12px; font-size: 0.9rem; }
.dropdown a:hover { background: var(--color-surface); color: var(--color-primary); }

.header-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--color-ink); border-radius: 2px; }

/* -------------------------------------------------- */
/* 6. Hero */
/* -------------------------------------------------- */
.hero {
  position: relative;
  overflow: clip;
  padding: 88px 0 96px;
}
.hero-shape {
  position: absolute;
  top: -8%;
  right: -10%;
  width: 640px;
  height: 640px;
  background: conic-gradient(from 120deg, var(--color-primary), var(--color-primary-light), var(--color-surface), var(--color-primary));
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
  opacity: 0.16;
  z-index: -1;
  filter: blur(2px);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero-copy p.lead {
  font-size: 1.15rem;
  color: var(--color-body);
  max-width: 46ch;
  margin-top: 20px;
}
.hero-actions { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }

.hero-points {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 12px 32px;
}
.hero-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--color-body);
}
.hero-points li svg { flex-shrink: 0; color: var(--color-primary); }

.hero-visual { position: relative; }
.hero-visual .facet {
  aspect-ratio: 1 / 1.05;
  border-radius: 28px;
  background:
    radial-gradient(120% 120% at 20% 15%, var(--color-primary-light) 0%, transparent 55%),
    linear-gradient(155deg, var(--color-ink) 0%, var(--color-primary-dark) 55%, var(--color-primary) 100%);
  position: relative;
  overflow: hidden;
}
.hero-visual .facet::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../assets/img/favicon.svg') center/60% no-repeat;
  opacity: 0.18;
  mix-blend-mode: screen;
}
.stat-card {
  position: absolute;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  box-shadow: var(--shadow-soft);
  min-width: 148px;
}
.stat-card strong { display: block; font-size: 1.6rem; font-weight: 700; color: var(--color-ink); font-family: var(--font-base); }
.stat-card span { font-size: 0.8rem; color: var(--color-muted); }
.stat-card--1 { top: 8%; left: -8%; }
.stat-card--2 { bottom: 10%; right: -6%; }

/* -------------------------------------------------- */
/* 7. About / capability strip */
/* -------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.about-grid p.lead { font-size: 1.2rem; color: var(--color-ink); }
.capability-list { display: grid; gap: 20px; }
.capability-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}
.capability-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.capability-list .num { font-family: var(--font-mono); color: var(--color-primary); font-size: 0.85rem; padding-top: 3px; }
.capability-list h4 { margin-bottom: 4px; }
.capability-list p { color: var(--color-muted); font-size: 0.94rem; }

/* -------------------------------------------------- */
/* 8. Services */
/* -------------------------------------------------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.service-card:hover { border-color: var(--color-primary); transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--color-surface);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.service-card h3 { margin-bottom: 10px; }
.service-card p { color: var(--color-muted); font-size: 0.95rem; flex-grow: 1; margin-bottom: 20px; }

/* -------------------------------------------------- */
/* 9. Process */
/* -------------------------------------------------- */
.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}
.process-step {
  padding: 28px 22px 22px;
  border-top: 2px solid var(--color-border);
  position: relative;
}
.process-step .num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-primary);
  display: block;
  margin-bottom: 14px;
}
.process-step h4 { margin-bottom: 8px; }
.process-step p { color: var(--color-muted); font-size: 0.92rem; }

/* -------------------------------------------------- */
/* 10. Case studies (placeholder) */
/* -------------------------------------------------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.case-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  display: block;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.case-thumb {
  aspect-ratio: 16 / 10;
  background: linear-gradient(140deg, var(--color-surface), var(--color-primary-light) 120%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.case-body { padding: 22px; }
.case-tag { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.06em; }
.case-body h3 { margin: 8px 0 6px; font-size: 1.15rem; }
.case-body p { color: var(--color-muted); font-size: 0.92rem; }

/* -------------------------------------------------- */
/* 11. FAQ preview */
/* -------------------------------------------------- */
.faq-list { border-top: 1px solid var(--color-border); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 1.02rem;
  color: var(--color-ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .icon { flex-shrink: 0; color: var(--color-primary); transition: transform 0.2s ease; }
.faq-item[open] summary .icon { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 0 22px; color: var(--color-muted); max-width: 68ch; }

/* -------------------------------------------------- */
/* 12. CTA band */
/* -------------------------------------------------- */
.cta-band {
  background: var(--color-ink);
  border-radius: 24px;
  padding: 64px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2 { color: var(--color-white); max-width: 20ch; }
.cta-band .btn--primary { background: var(--color-primary); }
.cta-band .btn--primary:hover { background: var(--color-white); color: var(--color-ink); }

/* -------------------------------------------------- */
/* 13. Footer */
/* -------------------------------------------------- */
.site-footer { background: var(--color-surface); padding: 72px 0 28px; margin-top: 40px; }
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand img { height: 28px; margin-bottom: 16px; }
.footer-brand p { color: var(--color-muted); font-size: 0.92rem; max-width: 34ch; }
.footer-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 18px; color: var(--color-ink); }
.footer-col ul { display: grid; gap: 12px; }
.footer-col a { color: var(--color-muted); font-size: 0.92rem; }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* -------------------------------------------------- */
/* 14. Responsive */
/* -------------------------------------------------- */
@media (max-width: 960px) {
  .hero-grid, .about-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 420px; margin-inline: auto; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  :root { --header-h: 68px; }
  .section { padding: 64px 0; }
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
  }
  .site-nav.is-active { transform: translateX(0); }
  .site-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; display: none; padding-left: 14px; }
  .has-dropdown.is-open .dropdown { display: block; }
  .header-actions .btn--outline { display: none; }
  .hero-points { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr; }
  .stat-card { position: static; margin-top: 12px; display: inline-block; }
  .cta-band { flex-direction: column; text-align: center; padding: 48px 28px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}