/* ============================================================
   Serge Shima — AI Director · editorial monochrome
   ============================================================ */

:root {
  /* palette — warm off-white, warm charcoal, photo-teal accent */
  --bg:        #f5f3ee;
  --ink:       #16191c;
  --accent:    #46828a;          /* exact sample of photo background */
  --accent-dk: #356269;
  --line:      color-mix(in oklab, var(--ink) 14%, var(--bg));
  --muted:     color-mix(in oklab, var(--ink) 52%, var(--bg));
  --faint:     color-mix(in oklab, var(--ink) 32%, var(--bg));

  --maxw: 1240px;
  --pad: clamp(1.25rem, 5vw, 5rem);
  --gap: clamp(2rem, 6vw, 6rem);

  --font: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;

  /* fluid type scale */
  --fs-mega:  clamp(2.4rem, 6.4vw, 5.4rem);
  --fs-h2:    clamp(1.9rem, 4.6vw, 3.6rem);
  --fs-h3:    clamp(1.15rem, 1.9vw, 1.5rem);
  --fs-lede:  clamp(1.2rem, 2.4vw, 1.95rem);
  --fs-body:  clamp(1rem, 1.25vw, 1.12rem);
  --fs-small: 0.82rem;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

mark {
  background: none;
  color: inherit;
  position: relative;
  white-space: nowrap;
  padding: 0 .04em;
}
mark::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: .04em;
  height: .42em;
  background: var(--accent);
  opacity: .9;
  z-index: -1;
  transform: skew(-12deg);
}

em { font-style: normal; color: var(--accent-dk); }

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

/* ---------- layout primitives ---------- */
.section-label {
  font-size: var(--fs-small);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  display: flex;
  align-items: baseline;
  gap: .9em;
}
.section-label span {
  font-variant-numeric: tabular-nums;
  color: var(--accent-dk);
  font-weight: 600;
}

main > section,
.contact {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
  padding-block: clamp(3.5rem, 9vw, 8rem);
}

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 1.1rem var(--pad);
  background: color-mix(in oklab, var(--bg) 86%, transparent);
  backdrop-filter: blur(8px);
}
.wordmark {
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}
.wordmark-dot { color: var(--accent); }
.topnav { display: flex; align-items: center; gap: clamp(1rem, 3vw, 2.2rem); }
.topnav-meta {
  font-size: var(--fs-small);
  color: var(--muted);
  letter-spacing: .02em;
}
.topnav-link {
  font-size: var(--fs-small);
  font-weight: 500;
  border-bottom: 1.5px solid var(--accent);
  padding-bottom: 2px;
  transition: color .25s;
}
.topnav-link:hover { color: var(--accent-dk); }
@media (max-width: 560px) { .topnav-meta { display: none; } }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  display: grid;
  grid-template-columns: 1fr 1.02fr;
  align-items: end;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding-top: clamp(2rem, 5vw, 4rem) !important;
}
.kicker {
  font-size: var(--fs-small);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: clamp(1.2rem, 3vw, 2rem);
}
.kicker-num { color: var(--accent-dk); font-weight: 600; }

.hero-title {
  font-size: var(--fs-mega);
  font-weight: 600;
  line-height: .92;
  letter-spacing: -0.045em;
  margin-bottom: clamp(1.6rem, 3.5vw, 2.6rem);
}
.hero-title .line { display: block; }
.hero-title .line:nth-child(2) { color: var(--accent-dk); }

.hero-lede {
  font-size: var(--fs-lede);
  font-weight: 300;
  line-height: 1.28;
  letter-spacing: -0.02em;
  max-width: 22ch;
  color: color-mix(in oklab, var(--ink) 88%, var(--bg));
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  margin-top: clamp(2rem, 4vw, 3rem);
}
.btn {
  font-size: .96rem;
  font-weight: 500;
  padding: .85em 1.5em;
  border-radius: 100px;
  transition: transform .2s, background .25s, color .25s, border-color .25s;
  white-space: nowrap;
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--accent-dk); transform: translateY(-2px); }
.btn-ghost { border: 1.5px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-dk); }

.hero-photo { position: relative; align-self: end; }
.blob-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  display: grid;
  place-items: end center;
}
.blob {
  position: absolute;
  inset: -8% -6% 0 -6%;
  width: 112%;
  height: 108%;
  z-index: 0;
  filter: drop-shadow(0 24px 48px color-mix(in oklab, var(--accent) 28%, transparent));
}
.blob-wrap picture {
  position: relative;
  z-index: 1;
  width: 100%;
  align-self: end;
  display: block;
}
.portrait {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(0,0,0,.14));
}
.hero-photo figcaption {
  display: flex;
  justify-content: space-between;
  margin-top: .8rem;
  font-size: var(--fs-small);
  color: var(--muted);
  letter-spacing: .01em;
}
.hero-photo-loc { color: var(--accent-dk); }

@media (prefers-reduced-motion: reduce) {
  .blob animate { display: none; }
}

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; align-items: start; }
  .hero-photo { max-width: 380px; order: -1; }
  .hero-lede { max-width: 32ch; }
}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee {
  border-block: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  overflow: hidden;
  white-space: nowrap;
  padding-block: .85rem;
}
.marquee-track {
  display: inline-flex;
  align-items: center;
  gap: 1.4rem;
  animation: marquee 38s linear infinite;
  will-change: transform;
}
.marquee-track span {
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.marquee-track .sep { color: var(--accent); font-weight: 400; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   WHY
   ============================================================ */
.why-grid, .scale-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--gap);
  align-items: start;
}
.why-head, .scale-head {
  font-size: var(--fs-h2);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.why-head em, .scale-head em { display: block; margin-top: .25em; }
.why-body p, .scale-body p { color: var(--muted); margin-bottom: 1.1rem; }
.why-body p:last-child, .scale-body p:last-child { margin-bottom: 0; }
@media (max-width: 760px) {
  .why-grid, .scale-grid { grid-template-columns: 1fr; gap: 1.8rem; }
}

/* awards / достижения */
.awards {
  list-style: none;
  margin-top: clamp(2.5rem, 6vw, 5rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.awards li {
  background: var(--bg);
  padding: clamp(1.5rem, 2.5vw, 2.2rem);
  display: flex;
  flex-direction: column;
  gap: .55rem;
  transition: background .3s;
}
.awards li:hover { background: color-mix(in oklab, var(--accent) 7%, var(--bg)); }
.award-tag {
  font-size: var(--fs-small);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-dk);
}
.awards h3 {
  font-size: clamp(1.4rem, 2.4vw, 1.95rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.awards p { color: var(--muted); font-size: .98rem; margin-top: .15rem; }
@media (max-width: 760px) {
  .awards { grid-template-columns: 1fr; }
}

/* ============================================================
   STATS
   ============================================================ */
.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats-row {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(1.2rem, 2vw, 2rem);
}
.stats-row li { display: flex; flex-direction: column; gap: .4rem; }
.stat-num {
  font-size: clamp(1.8rem, 3.4vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-num i { color: var(--accent); font-style: normal; }
.stat-cap {
  font-size: var(--fs-small);
  color: var(--muted);
  line-height: 1.3;
}
@media (max-width: 860px) { .stats-row { grid-template-columns: repeat(3, 1fr); gap: 1.6rem 1rem; } }
@media (max-width: 480px) { .stats-row { grid-template-columns: repeat(2, 1fr); } }

/* ============================================================
   WHAT I BRING
   ============================================================ */
.bring-list {
  list-style: none;
  counter-reset: bring;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
}
.bring-list li { counter-increment: bring; position: relative; padding-top: 2.2rem; }
.bring-list li::before {
  content: counter(bring, decimal-leading-zero);
  position: absolute;
  top: 0; left: 0;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--accent-dk);
  letter-spacing: .1em;
}
.bring-list li::after {
  content: "";
  position: absolute;
  top: .35rem; left: 2.6rem; right: 0;
  height: 1px;
  background: var(--line);
}
.bring-list h3 {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: .7rem;
}
.bring-list p { color: var(--muted); }
@media (max-width: 760px) { .bring-list { grid-template-columns: 1fr; gap: 1.6rem; } }

/* ============================================================
   EXPERIENCE TIMELINE
   ============================================================ */
.timeline { list-style: none; }
.tl-item {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: clamp(1rem, 4vw, 3rem);
  padding-block: clamp(1.4rem, 2.5vw, 2.1rem);
  border-top: 1px solid var(--line);
  position: relative;
}
.tl-item:last-child { border-bottom: 1px solid var(--line); }
.tl-item::before {
  content: "";
  position: absolute;
  top: clamp(1.6rem, 2.8vw, 2.35rem);
  left: -1px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--faint);
  transform: translateX(-50%);
  transition: background .3s, transform .3s;
}
.tl-item:hover::before { background: var(--accent); transform: translateX(-50%) scale(1.6); }
.tl-year {
  font-size: var(--fs-small);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
  padding-top: .2em;
}
.tl-body h3 {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: .45rem;
  line-height: 1.25;
}
.tl-org { display: block; font-weight: 400; color: var(--accent-dk); font-size: .92em; margin-top: .15em; }
.tl-body p { color: var(--muted); max-width: 60ch; }
.tl-body b { color: var(--ink); font-weight: 600; }
.exp-edu {
  margin-top: 1.8rem;
  font-size: var(--fs-small);
  color: var(--faint);
  letter-spacing: .01em;
}
@media (max-width: 620px) {
  .tl-item { grid-template-columns: 1fr; gap: .5rem; }
  .tl-item::before { display: none; }
}

/* ============================================================
   HANDS-ON
   ============================================================ */
.hands-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: start;
}
.hands-col h3 {
  font-size: var(--fs-h2);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 1rem;
}
.hands-col p { color: var(--muted); margin-bottom: .8rem; }
.hands-stack {
  font-size: var(--fs-small);
  letter-spacing: .03em;
  color: var(--faint) !important;
}
.hands-links { list-style: none; display: flex; flex-direction: column; }
.hands-links li {
  padding-block: 1.3rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.hands-links li:last-child { border-bottom: 1px solid var(--line); }
.hands-links a {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.02em;
  transition: color .25s;
}
.hands-links a span { color: var(--accent); transition: transform .25s; display: inline-block; }
.hands-links a:hover { color: var(--accent-dk); }
.hands-links a:hover span { transform: translate(3px, -3px); }
.hands-links li > span { font-size: var(--fs-small); color: var(--muted); }
@media (max-width: 760px) { .hands-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* ============================================================
   SCALE
   ============================================================ */
.scale-body a {
  border-bottom: 1.5px solid var(--accent);
  transition: color .25s;
}
.scale-body a:hover { color: var(--accent-dk); }
.scale-body b { color: var(--ink); font-weight: 600; }
.scale-logos {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .6rem;
  margin: 1.4rem 0;
}
.scale-logos li {
  font-size: var(--fs-small);
  font-weight: 500;
  padding: .4em .85em;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: color-mix(in oklab, var(--ink) 75%, var(--bg));
}
.scale-note {
  font-size: var(--fs-small);
  color: var(--muted) !important;
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
}

/* ============================================================
   CONTACT / FOOTER
   ============================================================ */
.contact {
  background: var(--ink);
  color: var(--bg);
  max-width: none;
  margin-top: clamp(2rem, 6vw, 5rem);
}
.contact > * { max-width: var(--maxw); margin-inline: auto; }
.contact-kicker {
  font-size: var(--fs-small);
  letter-spacing: .04em;
  color: color-mix(in oklab, var(--bg) 60%, var(--ink));
  margin-bottom: 1rem;
}
.contact-head {
  font-size: clamp(3rem, 11vw, 9rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: .9;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.contact-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  margin-bottom: 2.5rem;
}
.contact-list a {
  font-size: clamp(1.1rem, 2.4vw, 1.7rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  border-bottom: 1.5px solid color-mix(in oklab, var(--bg) 40%, var(--ink));
  padding-bottom: 3px;
  transition: border-color .25s, color .25s;
}
.contact-list a:hover { border-color: var(--accent); color: var(--accent); }
.contact-social {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  padding-top: 2rem;
  border-top: 1px solid color-mix(in oklab, var(--bg) 18%, var(--ink));
}
.contact-social a {
  font-size: var(--fs-small);
  color: color-mix(in oklab, var(--bg) 68%, var(--ink));
  transition: color .25s;
}
.contact-social a:hover { color: var(--accent); }
.contact-foot {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 3.5rem;
  font-size: var(--fs-small);
  color: color-mix(in oklab, var(--bg) 45%, var(--ink));
}

@media (max-width: 540px) {
  .contact-list { flex-direction: column; gap: 1.1rem; }
  .contact-foot { flex-direction: column; }
}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);
}
[data-reveal].in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track { animation: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  * { transition-duration: .01ms !important; }
}