/* Kenvidis — marketing site. One sans (Inter), brand palette, real depth. */

:root {
  /* Core palette */
  --forest: #1A3B3A;   /* primary ink, headlines, dark sections */
  --spruce: #2E5751;   /* body copy */
  --sage: #5F8A86;     /* labels, quiet detail */
  --signal: #6BA3BE;   /* the one accent */
  --ember: #D96A34;    /* bold accent, used rarely */
  --paper: #FBFAF5;
  --cream: #EFEDE4;
  --line: #DCD8CC;
  --mute: #7C7B71;

  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --maxw: 1120px;
  --pad: clamp(1.25rem, 5vw, 3.5rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(26, 59, 58, 0.05), 0 4px 14px rgba(26, 59, 58, 0.06);
  --shadow-md: 0 2px 8px rgba(26, 59, 58, 0.07), 0 20px 48px rgba(26, 59, 58, 0.13);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--forest);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* `clip` not `hidden`: overflow-x:hidden turns body into a scroll container,
     which breaks the sticky header after roughly one viewport of scrolling. */
  overflow-x: clip;
}

::selection { background: rgba(107, 163, 190, 0.25); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }

/* ---- Typography ---- */
h1, h2, h3 { color: var(--forest); line-height: 1.1; }
h1 { font-size: clamp(2.4rem, 5.4vw, 4.1rem); font-weight: 800; letter-spacing: -0.033em; line-height: 1.06; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.6rem); font-weight: 700; letter-spacing: -0.022em; }
h3 { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.012em; line-height: 1.35; }
p { color: var(--spruce); }
em, .accent { font-style: normal; color: var(--signal); font-weight: 600; }
strong { font-weight: 600; color: var(--forest); }
a { color: inherit; }

/* Two label steps replace the old fifteen mono declarations. */
.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sage);
}
.label-lg { font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.01em; color: var(--mute); }

.lede { font-size: clamp(1.0625rem, 1.5vw, 1.25rem); line-height: 1.6; color: var(--spruce); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  text-decoration: none;
  color: var(--paper);
  background: var(--forest);
  padding: 0.85rem 1.45rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--forest);
  cursor: pointer;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.btn:hover { background: var(--spruce); border-color: var(--spruce); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn .arrow { transition: transform 0.25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn.on-dark, .btn.light { background: var(--paper); color: var(--forest); border-color: var(--paper); }
.btn.on-dark:hover, .btn.light:hover { background: #fff; border-color: #fff; color: var(--forest); }
.btn.ghost { background: transparent; color: var(--forest); border-color: var(--line); }
.btn.ghost:hover { background: transparent; border-color: var(--sage); }
.btn.ghost-light { background: transparent; color: var(--paper); border-color: rgba(251, 250, 245, 0.38); }
.btn.ghost-light:hover { background: rgba(251, 250, 245, 0.10); border-color: rgba(251, 250, 245, 0.7); color: var(--paper); }

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: transparent;
  /* Blur is always on so it never snaps at the scroll threshold; over the
     smooth hero gradient it is invisible, and it only reads once real
     content passes underneath. */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.1rem; transition: padding-block 0.3s var(--ease); }
.site-header.scrolled { background: rgba(251, 250, 245, 0.94); border-bottom-color: var(--line); }
.site-header.scrolled .container { padding-block: 0.7rem; }
.mark { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.mark img { width: 2.1rem; height: 2.1rem; display: block; }
.mark span { font-size: 1.2rem; font-weight: 700; color: var(--forest); letter-spacing: -0.02em; transition: color 0.25s var(--ease); }

.nav-wrap { display: flex; align-items: center; gap: 0.75rem; }
.path-switch { display: flex; align-items: center; gap: 0.15rem; }
.path-switch a {
  text-decoration: none;
  color: var(--mute);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.45rem 0.8rem;
  border-radius: var(--r-pill);
  white-space: nowrap;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}
.path-switch a:hover { color: var(--forest); }
.path-switch a.active { color: var(--forest); background: var(--cream); }
.nav-cta { display: inline-flex; }
.nav-toggle {
  display: none;
  align-items: center; justify-content: center;
  width: 2.5rem; height: 2.5rem;
  background: transparent; border: 1px solid var(--line); border-radius: var(--r-sm);
  cursor: pointer; color: var(--forest);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.nav-toggle span { display: block; width: 1.1rem; height: 2px; background: currentColor; position: relative; }
.nav-toggle span::before, .nav-toggle span::after { content: ''; position: absolute; left: 0; width: 100%; height: 2px; background: currentColor; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* Landing: the header sits on the dark gradient until you scroll. */
body.landing .site-header:not(.scrolled) .mark span { color: var(--paper); }
body.landing .site-header:not(.scrolled) .path-switch a { color: rgba(251, 250, 245, 0.78); }
body.landing .site-header:not(.scrolled) .path-switch a:hover { color: var(--paper); }
body.landing .site-header:not(.scrolled) .path-switch a.active { color: var(--forest); background: var(--paper); }
body.landing .site-header:not(.scrolled) .nav-toggle { color: var(--paper); border-color: rgba(251, 250, 245, 0.4); }

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .nav-cta { display: none; }
  .path-switch {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0.15rem;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 0.6rem var(--pad) 1rem;
    box-shadow: var(--shadow-sm);
  }
  .path-switch.open { display: flex; }
  .path-switch a { padding: 0.7rem 0.6rem; border-radius: var(--r-sm); font-size: 1rem; }
  body.landing .site-header:not(.scrolled) .path-switch a { color: var(--mute); }
  body.landing .site-header:not(.scrolled) .path-switch a.active { color: var(--forest); background: var(--cream); }
}

/* ---- Sections ---- */
main { position: relative; z-index: 1; }
.section { padding-block: clamp(3.75rem, 8vw, 6.5rem); }
.section.alt { background: var(--cream); }
.section-head { margin-bottom: 2.5rem; }
.section-head .eyebrow { display: block; margin-bottom: 0.75rem; }
.section-head h2 { max-width: 20ch; }
.section-lead { max-width: 52ch; margin-top: 1rem; }

/* ---- Landing hero (gradient) ---- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(118deg, #14312F 0%, var(--forest) 26%, var(--spruce) 54%, #43857C 76%, var(--signal) 100%);
  color: var(--paper);
  padding-block: clamp(3.5rem, 9vw, 7rem) clamp(5rem, 11vw, 9rem);
  margin-top: calc(-1 * (2.1rem + 2.2rem));
  padding-top: calc(clamp(3.5rem, 9vw, 7rem) + 2.1rem + 2.2rem);
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 78% 8%, rgba(107, 163, 190, 0.42) 0%, transparent 62%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { color: var(--paper); max-width: 17ch; margin-bottom: 1.25rem; }
.hero h1 em, .hero h1 .accent { color: #A9D4E4; }
.hero .lede { color: rgba(251, 250, 245, 0.86); max-width: 46ch; margin-bottom: 2.25rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }

/* ---- Solution cards (the three paths) ---- */
.cards-section { position: relative; z-index: 2; margin-top: calc(-1 * clamp(2rem, 5vw, 4rem)); padding-bottom: clamp(3.5rem, 8vw, 6rem); }
.solution-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.15rem; }
.solution-card {
  --sc: var(--sage);
  position: relative;
  display: flex; flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 1.9rem 1.6rem 1.5rem;
  text-decoration: none;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.solution-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--sc); }
.solution-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--sc); }
.solution-card.c-custom { --sc: var(--signal); }
.solution-card.c-build { --sc: var(--spruce); }
.solution-card.c-ready { --sc: var(--sage); }
.sc-title { font-size: 1.2rem; font-weight: 700; color: var(--forest); letter-spacing: -0.015em; margin-bottom: 0.5rem; }
.sc-desc { font-size: 0.98rem; color: var(--spruce); flex: 1; }
.sc-more { margin-top: 1.25rem; font-size: 0.9rem; font-weight: 600; color: var(--forest); display: inline-flex; align-items: center; gap: 0.4rem; }
.sc-more .arrow { color: var(--sc); transition: transform 0.25s var(--ease); }
.solution-card:hover .sc-more .arrow { transform: translateX(4px); }
@media (max-width: 860px) { .solution-cards { grid-template-columns: 1fr; } }

/* ---- Logo strip ---- */
.logo-strip { padding-block: 2.25rem; border-block: 1px solid var(--line); background: var(--paper); }
.logo-strip .strip-label { text-align: center; margin-bottom: 1.1rem; }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; width: max-content; gap: 2.5rem; animation: marquee 46s linear infinite; font-size: 0.95rem; font-weight: 500; color: var(--mute); white-space: nowrap; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { display: inline-flex; align-items: center; gap: 2.5rem; }
.marquee-track span::after { content: '·'; color: var(--line); }

/* ---- Selected work ---- */
.work-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.work-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 1.9rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.work-card:hover { transform: translateY(-5px); border-color: var(--sage); box-shadow: var(--shadow-md); }
.work-card .tag { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--sage); margin-bottom: 0.9rem; }
.work-card h3 { font-size: 1.28rem; margin-bottom: 0.6rem; }
.work-card p { font-size: 0.98rem; }
@media (max-width: 780px) { .work-grid { grid-template-columns: 1fr; } }

/* ---- Founder quote ---- */
.about .rule { width: 2.5rem; height: 3px; background: var(--ember); border-radius: 2px; margin-bottom: 1.5rem; }
.about blockquote { font-size: clamp(1.35rem, 2.7vw, 2rem); line-height: 1.35; letter-spacing: -0.02em; font-weight: 600; color: var(--forest); max-width: 30ch; }
.about .attribution { margin-top: 1.25rem; font-size: 0.9rem; font-weight: 500; color: var(--mute); }

/* ---- Contact (the single dark close) ---- */
.contact { background: var(--forest); color: var(--cream); }
.contact h2 { color: var(--paper); margin-bottom: 0.85rem; }
.contact .eyebrow { display: block; color: var(--sage); margin-bottom: 0.75rem; }
.contact .lede { color: rgba(239, 237, 228, 0.82); max-width: 42ch; margin-bottom: 2rem; }
.contact-links { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.4rem 1.75rem; font-size: 0.9rem; }
.contact-links a { color: rgba(239, 237, 228, 0.78); text-decoration: none; border-bottom: 1px solid transparent; padding-bottom: 2px; transition: color 0.25s, border-color 0.25s; }
.contact-links a:hover { color: var(--paper); border-bottom-color: var(--signal); }

/* ---- Footer ---- */
.site-footer { background: var(--forest); color: rgba(239, 237, 228, 0.6); padding-block: 1.75rem; }
.site-footer .container { display: flex; justify-content: space-between; align-items: center; gap: 1rem; font-size: 0.85rem; }
@media (max-width: 560px) { .site-footer .container { flex-direction: column; gap: 0.5rem; text-align: center; } }

/* ---- Sub-page hero ---- */
.subhero { padding-block: clamp(2.75rem, 7vw, 5rem) clamp(2rem, 5vw, 3.25rem); }
.subhero .eyebrow { display: block; margin-bottom: 0.9rem; }
.subhero h1 { max-width: 18ch; margin-bottom: 1.1rem; }
.subhero .lede { max-width: 50ch; margin-bottom: 1.75rem; }

/* ---- Problem list ---- */
.problem-list { list-style: none; display: grid; gap: 0; border-top: 1px solid var(--line); max-width: 46rem; }
.problem-list li {
  display: flex; align-items: baseline; gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--forest);
}
.problem-list li .num { font-size: 0.8125rem; font-weight: 600; color: var(--sage); flex-shrink: 0; min-width: 1.5rem; }

/* ---- Steps ---- */
.steps { position: relative; display: grid; gap: 1.75rem; padding-left: 2.25rem; }
.steps-line { position: absolute; left: 0.32rem; top: 0.5rem; bottom: 0.5rem; width: 2px; background: var(--line); overflow: hidden; border-radius: 2px; }
.steps-line::after { content: ''; position: absolute; inset: 0; background: linear-gradient(var(--sage), var(--signal)); transform: scaleY(0); transform-origin: top; transition: transform 1.4s var(--ease); }
.steps.in .steps-line::after { transform: scaleY(1); }
.step { position: relative; }
.step::before {
  content: ''; position: absolute; left: -2.25rem; top: 0.5rem;
  width: 0.7rem; height: 0.7rem; border-radius: 50%;
  background: var(--paper); border: 2px solid var(--sage);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.step.in::before { background: var(--ember); border-color: var(--ember); }
.step h3 { margin-bottom: 0.3rem; }
.step p { max-width: 56ch; }

/* ---- Three points ---- */
.points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.point { padding-top: 1.1rem; border-top: 2px solid var(--forest); }
.point h3 { margin-bottom: 0.4rem; }
.point p { font-size: 0.98rem; }
@media (max-width: 780px) { .points { grid-template-columns: 1fr; gap: 1.75rem; } }

/* ---- Ready-made grid ---- */
.solutions-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 780px) { .solutions-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .solutions-grid { grid-template-columns: 1fr; } }
.solution-tile { position: relative; aspect-ratio: 5 / 4; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-md); display: flex; align-items: center; justify-content: center; text-align: center; box-shadow: var(--shadow-sm); transition: border-color 0.3s var(--ease), transform 0.3s var(--ease); }
.solution-tile:hover { border-color: var(--sage); transform: translateY(-4px); }
.solution-tile .st-soon { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--sage); border: 1px solid var(--line); border-radius: var(--r-pill); padding: 0.35rem 0.8rem; }

/* ---- Cross-nav ---- */
.other-paths { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .other-paths { grid-template-columns: 1fr; } }
.other-path { display: block; text-decoration: none; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-md); padding: 1.4rem 1.6rem; box-shadow: var(--shadow-sm); transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.other-path:hover { border-color: var(--sage); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.other-path .op-label { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--sage); margin-bottom: 0.35rem; }
.other-path .op-title { font-size: 1.15rem; font-weight: 600; color: var(--forest); letter-spacing: -0.012em; }
.other-path .op-title .op-arrow { color: var(--ember); transition: transform 0.3s var(--ease); display: inline-block; }
.other-path:hover .op-title .op-arrow { transform: translateX(4px); }

/* ---- Reveal animation (progressive enhancement) ----
   Content is visible by default; only once JS adds .motion to <html> do the
   reveals start hidden and animate in. So a JS failure never hides the page. */
.reveal { transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
html.motion .reveal { opacity: 0; transform: translateY(22px); }
html.motion .reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }

@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; animation: none !important; transition: none !important; }
  .marquee-track { animation: none !important; }
  .steps-line::after { transform: scaleY(1) !important; transition: none !important; }
  .btn:hover, .work-card:hover, .solution-card:hover, .solution-tile:hover, .other-path:hover { transform: none !important; }
  * { scroll-behavior: auto !important; }
}

/* ---- Landing header/hero fit ---- */
:root { --header-h: 4.3rem; }
.hero { margin-top: calc(-1 * var(--header-h)); padding-top: calc(clamp(3.5rem, 9vw, 7rem) + var(--header-h)); }
body.landing .site-header:not(.scrolled) .nav-cta { background: var(--paper); color: var(--forest); border-color: var(--paper); }
body.landing .site-header:not(.scrolled) .nav-cta:hover { background: #fff; border-color: #fff; }