/* ==========================================================================
   Canoh & Co. — site styles
   Apple-inspired minimalism. Single column, monochrome, generous whitespace.
   ========================================================================== */

:root {
  --color-primary:        #1d1d1f;
  --color-bg:             #ffffff;
  --color-surface:        #f5f5f7;
  --color-text:           #1d1d1f;
  --color-text-secondary: #86868b;
  --color-border:         #e5e5e7;
  --color-focus:          #0071e3;

  --font-sans:
    -apple-system, BlinkMacSystemFont,
    "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3",
    "Yu Gothic UI", YuGothic, "Meiryo",
    "Helvetica Neue", Helvetica, Arial, sans-serif;

  --content-max:    880px;
  --pad-x:          clamp(20px, 5vw, 48px);
  --pad-y-section:  clamp(72px, 11vw, 128px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 2px;
}

ul { list-style: none; }

/* --- Layout container -------------------------------------------------- */

.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* --- Header ------------------------------------------------------------ */

.site-header {
  padding: 28px var(--pad-x);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--color-primary);
}
.brand__symbol {
  width: 36px;
  height: 36px;
  flex: none;
}
.brand__text {
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 1px;
}

/* --- Hero -------------------------------------------------------------- */

.hero {
  padding: clamp(80px, 14vw, 200px) var(--pad-x) clamp(96px, 13vw, 180px);
}
.hero__title {
  font-size: clamp(44px, 9vw, 104px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--color-primary);
}
.hero__lead {
  margin-top: 28px;
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-primary);
  max-width: 640px;
}
.hero__sublead {
  margin-top: 14px;
  font-size: clamp(15px, 1.7vw, 18px);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: 600px;
}

/* --- Section ----------------------------------------------------------- */

.section {
  padding: var(--pad-y-section) var(--pad-x);
}
.section--surface {
  background: var(--color-surface);
}
.section__eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
}
.section__body {
  font-size: clamp(17px, 1.9vw, 21px);
  line-height: 1.75;
  max-width: 680px;
  color: var(--color-text);
}

/* --- Hero image (visual break, full-bleed) ----------------------------- */

.hero-image {
  width: 100%;
  aspect-ratio: 3 / 2;
  max-height: 720px;
  background:
    var(--color-surface)
    url("assets/hero.jpg") center / cover no-repeat;
}
@media (max-width: 720px) {
  .hero-image {
    aspect-ratio: 4 / 3;
    max-height: 480px;
  }
}

/* --- Services ---------------------------------------------------------- */

.services {
  display: grid;
  gap: 36px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .services {
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
  }
}
.service {
  border-top: 1px solid var(--color-border);
  padding-top: 22px;
}
.service__title {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
  color: var(--color-primary);
}
.service__body {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

/* --- Industry (context paragraph) -------------------------------------- */

.industry__lead {
  font-size: clamp(17px, 1.9vw, 21px);
  line-height: 1.85;
  max-width: 720px;
  color: var(--color-text);
}

/* --- Mission (founding philosophy) ------------------------------------- */

.mission__headline {
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.45;
  letter-spacing: -0.005em;
  font-weight: 500;
  color: var(--color-primary);
  max-width: 760px;
  margin-bottom: 28px;
}
.mission__body {
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.85;
  max-width: 680px;
  color: var(--color-text-secondary);
}

.mission__pillars {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 22px 32px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
  max-width: 760px;
}
.mission__pillars dt {
  color: var(--color-text-secondary);
  letter-spacing: 0.06em;
  font-weight: 500;
  font-size: 14px;
  padding-top: 4px;
}
.mission__pillars dd {
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-primary);
}
@media (max-width: 600px) {
  .mission__pillars {
    grid-template-columns: 1fr;
    gap: 6px 0;
  }
  .mission__pillars dt {
    margin-top: 18px;
    padding-top: 0;
  }
  .mission__pillars dt:first-of-type {
    margin-top: 0;
  }
}

/* --- Process (engagement steps) ---------------------------------------- */

.process__lead {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 48px;
  max-width: 600px;
}
.process {
  display: grid;
  gap: 36px;
  grid-template-columns: 1fr;
  list-style: none;
}
@media (min-width: 720px) {
  .process {
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
  }
}
.step {
  border-top: 1px solid var(--color-border);
  padding-top: 22px;
}
.step__index {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}
.step__title {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 6px;
  color: var(--color-primary);
}
.step__duration {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.step__body {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

/* --- Company facts ----------------------------------------------------- */

.facts {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px 32px;
  margin-top: 8px;
  font-size: clamp(15px, 1.7vw, 18px);
  max-width: 480px;
}
.facts dt {
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
  font-weight: 500;
}
.facts dd {
  color: var(--color-primary);
}
@media (max-width: 480px) {
  .facts {
    grid-template-columns: 100px 1fr;
    gap: 14px 24px;
  }
}

/* --- Principles -------------------------------------------------------- */

.principles {
  display: grid;
  gap: 36px;
  grid-template-columns: 1fr;
}
@media (min-width: 600px) {
  .principles {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 48px;
  }
}
.principle {
  border-top: 1px solid var(--color-border);
  padding-top: 22px;
}
.principle__title {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
  color: var(--color-primary);
}
.principle__body {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

/* --- Contact ----------------------------------------------------------- */

.contact__email {
  margin-top: 20px;
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 400;
}
.contact__email a {
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-text-secondary);
  padding-bottom: 4px;
  transition: border-color 160ms ease;
}
.contact__email a:hover {
  border-color: var(--color-primary);
}

/* --- Footer ------------------------------------------------------------ */

.site-footer {
  padding: 40px var(--pad-x);
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-secondary);
}
.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.site-footer__domain {
  letter-spacing: 1px;
}

/* --- Reduced motion ---------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}