/* =========================================================
   ATMOS MEDIA — corporate site
   Type:  Space Grotesk (display) · Hanken Grotesk (text) · JetBrains Mono (labels)
   Theme: Paper (light editorial)
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; }

/* ----------  TOKENS  ---------- */
:root {
  --accent: #0F6385;
  --accent-2: #9CC13A;
  --accent-ink: #ffffff;
  --maxw: 1320px;
  --gutter: clamp(22px, 5vw, 76px);
  --radius: 0px;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-text: "Hanken Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --t-eyebrow: 12px;
  --t-body: clamp(16px, 1.05vw, 18px);
  --t-lead: clamp(19px, 1.6vw, 23px);
  --t-h3: clamp(22px, 2.2vw, 30px);
  --t-h2: clamp(30px, 3.6vw, 50px);
  --t-display: clamp(44px, 7vw, 104px);

  --sp: 1;

  --bg:        #F4F3EE;
  --bg-2:      #FBFAF7;
  --bg-inset:  #ECEAE2;
  --ink:       #15140F;
  --ink-2:     #57564E;
  --ink-3:     #8B897E;
  --line:      rgba(21,20,15,0.13);
  --line-2:    rgba(21,20,15,0.24);
  --grid:      rgba(21,20,15,0.045);
  color-scheme: light;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: var(--t-body);
  line-height: 1.55;
  font-feature-settings: "ss01","cv01";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: var(--accent-ink); }

a { color: inherit; text-decoration: none; }

/* ----------  LAYOUT PRIMITIVES  ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--t-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-weight: 500;
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-2) 22%, transparent);
}
.idx { font-family: var(--font-mono); color: var(--accent); font-weight: 500; }

h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 500; margin: 0; line-height: 1.02; letter-spacing: -0.02em; }
h2 { font-size: var(--t-h2); letter-spacing: -0.025em; }
h3 { font-size: var(--t-h3); letter-spacing: -0.02em; }
p { margin: 0; }
.muted { color: var(--ink-2); }

.section { padding-block: calc(120px * var(--sp)); position: relative; }
.section-head { display: grid; grid-template-columns: 1fr; gap: 20px; margin-bottom: calc(64px * var(--sp)); }
.section-head .lead { font-size: var(--t-lead); color: var(--ink-2); max-width: 32ch; line-height: 1.4; }

/* ===========================================================
   NAV
   =========================================================== */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; letter-spacing: -0.01em; }
.brand img { height: 30px; width: auto; display: block; }
.brand img.logo-light { display: none; }

.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em;
  color: var(--ink-2); text-transform: uppercase; transition: color .2s;
}
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.03em;
  border: 1px solid var(--line-2); padding: 9px 16px; color: var(--ink);
  text-transform: uppercase; transition: all .2s; display: inline-flex; gap: 8px; align-items: center;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* hamburger */
.nav-burger {
  display: none;
  background: none; border: none; cursor: pointer; padding: 8px;
  flex-direction: column; gap: 5px; z-index: 50;
}
.nav-burger span {
  display: block; width: 22px; height: 2px; background: var(--ink);
  transition: transform .3s, opacity .3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-burger { display: flex; }
  .nav-links {
    display: none;
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 16px var(--gutter);
  }
  .nav-links.show { display: flex; }
  .nav-links a { padding: 12px 0; display: block; width: 100%; }
  .nav-cta { display: none; }
  .nav-cta.show { display: inline-flex; position: absolute; top: 68px; right: var(--gutter); margin-top: 16px; z-index: 41; }
  .nav-cta.show { display: none; }
}

/* ===========================================================
   HERO
   =========================================================== */
.hero { position: relative; overflow: hidden; padding-top: calc(86px * var(--sp)); padding-bottom: calc(40px * var(--sp)); }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(to right, var(--grid) 1px, transparent 1px) 0 0 / 25% 100%,
    radial-gradient(60% 50% at 78% 8%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 60%, transparent 100%);
          mask-image: linear-gradient(to bottom, #000 0%, #000 60%, transparent 100%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1fr; gap: 30px; }
.hero h1 {
  font-size: var(--t-display); font-weight: 500; letter-spacing: -0.035em; line-height: 0.97;
  max-width: 16ch; text-wrap: balance;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-sub {
  font-size: var(--t-lead); color: var(--ink-2); max-width: 52ch; line-height: 1.45; margin-top: 4px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 10px; }

.btn {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.04em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; white-space: nowrap;
  border: 1px solid transparent; transition: all .2s; cursor: pointer;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.06); }
.btn-ghost { border-color: var(--line-2); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn .arr { transition: transform .2s; }
.btn:hover .arr { transform: translate(3px,-3px); }

/* portfolio directory strip under hero */
.directory {
  margin-top: calc(70px * var(--sp));
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line);
}
.directory-label {
  font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--ink-3); padding: 14px 0 6px;
}
.dir-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.dir-item {
  padding: 22px 0; border-left: 1px solid var(--line);
  padding-left: 18px; display: flex; flex-direction: column; gap: 8px;
  transition: background .25s;
}
.dir-item:first-child { border-left: 0; padding-left: 0; }
.dir-item .dn { font-family: var(--font-display); font-weight: 500; font-size: 17px; letter-spacing: -0.01em; }
.dir-item .dd { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); }
.dir-item:hover .dn { color: var(--accent); }
@media (max-width: 860px) {
  .dir-grid { grid-template-columns: 1fr 1fr; }
  .dir-item { border-left: 0 !important; padding-left: 0 !important; border-top: 1px solid var(--line); padding-block: 18px; }
}

/* ===========================================================
   APPROACH
   =========================================================== */
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line-2); }
.principle {
  padding: 40px 32px 44px 0; border-left: 1px solid var(--line); padding-left: 32px;
  display: flex; flex-direction: column; gap: 16px;
}
.principle:first-child { border-left: 0; padding-left: 0; }
.principle .pnum { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 0.06em; }
.principle h3 { font-size: var(--t-h3); }
.principle p { color: var(--ink-2); max-width: 32ch; }
@media (max-width: 800px) {
  .principles { grid-template-columns: 1fr; }
  .principle { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
  .principle:first-child { border-top: 0; }
}

/* ===========================================================
   PORTFOLIO
   =========================================================== */
.portfolio { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); overflow: hidden; }
.pf-row {
  display: grid; grid-template-columns: 64px 1.1fr 1.4fr auto;
  gap: 24px; align-items: center;
  padding: 38px 0; border-top: 1px solid var(--line);
  position: relative; transition: padding-left .3s ease;
}
.pf-row:first-of-type { border-top: 0; }
.pf-row::after {
  content: ""; position: absolute; left: -100vw; right: -100vw; top: 0; height: 100%;
  background: color-mix(in srgb, var(--accent) 6%, transparent); opacity: 0; transition: opacity .3s; z-index: 0;
}
.pf-row:hover::after { opacity: 1; }
.pf-row > * { position: relative; z-index: 1; }
.pf-row:hover { padding-left: 14px; }
.pf-idx { font-family: var(--font-mono); font-size: 13px; color: var(--ink-3); }
.pf-name { display: flex; flex-direction: column; gap: 7px; }
.pf-name .nm { font-family: var(--font-display); font-weight: 500; font-size: clamp(24px,2.6vw,34px); letter-spacing: -0.025em; }
.pf-name .dm { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); letter-spacing: 0.02em; }
.pf-desc { color: var(--ink-2); font-size: var(--t-body); max-width: 40ch; }
.pf-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 14px; }
.tag {
  font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-2); border: 1px solid var(--line-2); padding: 5px 10px;
}
.pf-visit {
  font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--ink); display: inline-flex; gap: 8px; align-items: center; white-space: nowrap;
}
.pf-visit .arr { color: var(--accent); transition: transform .2s; }
.pf-row:hover .pf-visit .arr { transform: translate(3px,-3px); }
@media (max-width: 900px) {
  .pf-row { grid-template-columns: 40px 1fr; row-gap: 14px; }
  .pf-meta { grid-column: 2; flex-direction: row; align-items: center; justify-content: flex-start; }
  .pf-desc { grid-column: 2; }
}

/* ===========================================================
   SECTORS
   =========================================================== */
.sectors-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.sector { background: var(--bg); padding: 38px 30px; display: flex; flex-direction: column; gap: 14px; transition: background .25s; }
.sector:hover { background: var(--bg-inset); }
.sector .sec-k { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 0.06em; }
.sector h3 { font-size: clamp(22px,2.4vw,30px); }
.sector p { color: var(--ink-2); }
.sector .sec-tags { margin-top: auto; display: flex; flex-wrap: wrap; gap: 8px; }
@media (max-width: 800px) { .sectors-grid { grid-template-columns: 1fr; } }

/* ===========================================================
   CONTACT
   =========================================================== */
.contact { position: relative; overflow: hidden; }
.contact::before {
  content:""; position:absolute; inset:0; pointer-events:none;
  background: radial-gradient(50% 120% at 20% 120%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%);
}
.contact-in { position: relative; display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px; align-items: end; }
.contact h2 { font-size: clamp(36px,5.5vw,80px); letter-spacing: -0.035em; line-height: 0.98; max-width: 14ch; }
.contact h2 em { font-style: normal; color: var(--accent); }
.contact-side { display: flex; flex-direction: column; gap: 22px; }
.contact-side .lbl { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-3); }
.mailto { font-family: var(--font-display); font-size: clamp(20px,2vw,26px); font-weight: 500; letter-spacing: -0.02em; display: inline-flex; gap: 12px; align-items: center; border-bottom: 1px solid var(--line-2); padding-bottom: 6px; transition: border-color .2s; }
.mailto:hover { border-color: var(--accent); }
.mailto:hover .arr { transform: translate(3px,-3px); color: var(--accent); }
.mailto .arr { transition: transform .2s; }
@media (max-width: 800px) { .contact-in { grid-template-columns: 1fr; gap: 40px; align-items: start; } }

/* ===========================================================
   FOOTER
   =========================================================== */
.footer { border-top: 1px solid var(--line); padding-block: 60px; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; margin-bottom: 56px; }
.footer-cols { display: flex; gap: 70px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 13px; }
.footer-col .ck { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-3); margin-bottom: 4px; }
.footer-col a, .footer-col span { font-size: 14px; color: var(--ink-2); transition: color .2s; }
.footer-col a:hover { color: var(--ink); }
.footer-legal { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.04em; display: flex; flex-wrap: wrap; gap: 6px 24px; margin-bottom: 24px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; border-top: 1px solid var(--line); padding-top: 24px; }
.footer-bottom .fb { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.04em; }

/* ===========================================================
   LOAD-IN ANIMATION
   =========================================================== */
@keyframes riseIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.reveal { opacity: 0; animation: riseIn .9s cubic-bezier(.2,.7,.2,1) forwards; }
.reveal[data-d="1"] { animation-delay: .05s; }
.reveal[data-d="2"] { animation-delay: .15s; }
.reveal[data-d="3"] { animation-delay: .27s; }
.reveal[data-d="4"] { animation-delay: .4s; }
.reveal[data-d="5"] { animation-delay: .54s; }
@media (prefers-reduced-motion: reduce) { .reveal { animation: none; opacity: 1; } }
html.reveal-done .reveal { opacity: 1 !important; transform: none !important; }

.io { opacity: 0; transform: translateY(22px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.io.in { opacity: 1; transform: none; }
html.reveal-done .io { opacity: 1 !important; transform: none !important; transition: none !important; }
@media (prefers-reduced-motion: reduce) { .io { opacity: 1; transform: none; } }