/* =============================================
   YAKOBEEN — SWISS GRID — STYLE.CSS
   ============================================= */

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:    #F4EFE6;
  --fg:    #1A1512;
  --dim:   #8A8278;
  --red:   #E63322;
  --bdr:   rgba(26,21,18,0.14);
  --nav-h: 56px;
  --pad:   clamp(20px, 5vw, 80px);
  --ease:  cubic-bezier(0.76, 0, 0.24, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--fg);
  cursor: none;
  overflow-x: hidden;
}

/* 12-column grid overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: linear-gradient(90deg, var(--bdr) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
  opacity: 0.5;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- SCROLL PROGRESS ---- */
#scrollProgress {
  position: fixed; top: 0; left: 0; height: 3px;
  background: var(--red); z-index: 9999;
  width: 0%; transition: width 0.1s linear;
}

/* ---- CURSOR ---- */
.cursor {
  position: fixed; top: 0; left: 0;
  width: 20px; height: 20px;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.15s var(--ease);
}
.c-h, .c-v {
  position: absolute;
  background: var(--red);
}
.c-h { width: 20px; height: 1px; top: 50%; left: 50%; transform: translate(-50%,-50%); }
.c-v { width: 1px; height: 20px; top: 50%; left: 50%; transform: translate(-50%,-50%); }
.c-dot {
  position: absolute; width: 4px; height: 4px;
  background: var(--red); border-radius: 50%;
  top: 50%; left: 50%; transform: translate(-50%,-50%);
  transition: all 0.2s var(--ease);
}
.cursor.on-link .c-h { width: 14px; }
.cursor.on-link .c-v { height: 14px; }
.cursor.on-link .c-dot { width: 8px; height: 8px; background: transparent; border: 1px solid var(--red); }

/* ---- CURTAIN ---- */
#curtain {
  position: fixed; inset: 0; z-index: 9990;
  background: var(--red);
  animation: curtainSlide 1.1s var(--ease) 0.1s both;
}
@keyframes curtainSlide {
  from { clip-path: inset(0 0 0 0); }
  to   { clip-path: inset(0 0 100% 0); }
}

/* ---- NAV ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--pad);
  background: var(--bg);
  border-bottom: 2px solid var(--fg);
  z-index: 100;
}
.nav-logo {
  font-size: 0.75rem; font-weight: 900; letter-spacing: 0.22em;
  color: var(--fg); text-decoration: none;
}
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--dim); text-decoration: none;
  position: relative; transition: color 0.2s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px; background: var(--red);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover,
.nav-links a.active { color: var(--fg); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-avail {
  font-size: 0.625rem; font-weight: 500; letter-spacing: 0.1em;
  color: var(--dim); text-transform: uppercase;
}
.nav-burger { display: none; }

/* ---- MOBILE MENU ---- */
.mobile-menu {
  display: none; position: fixed; inset: var(--nav-h) 0 0 0;
  background: var(--bg); z-index: 99; flex-direction: column;
  align-items: flex-start; justify-content: center;
  padding: var(--pad); gap: 32px;
  border-top: 2px solid var(--fg);
}
.mobile-menu.open { display: flex; }
.mobile-link {
  font-size: clamp(2rem, 8vw, 4rem); font-weight: 800;
  letter-spacing: -0.02em; text-transform: uppercase;
  color: var(--fg); text-decoration: none;
  transition: color 0.2s;
}
.mobile-link:hover { color: var(--red); }

/* ---- ANIMATIONS ---- */
.slide-x {
  opacity: 0; transform: translateX(-28px);
  transition: opacity 0.75s var(--ease) calc(var(--sx,0) * 0.1s),
              transform 0.75s var(--ease) calc(var(--sx,0) * 0.1s);
}
.slide-x.in { opacity: 1; transform: translateX(0); }

.slide-up {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.8s var(--ease) calc(var(--su,0) * 0.12s),
              transform 0.8s var(--ease) calc(var(--su,0) * 0.12s);
}
.slide-up.in { opacity: 1; transform: translateY(0); }

.reveal-bar {
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.9s var(--ease);
}
.reveal-bar.in { transform: scaleX(1); }

/* ---- BG NUMBERS ---- */
.bg-num {
  position: absolute; right: var(--pad); top: 0;
  font-size: clamp(18rem, 32vw, 42rem); font-weight: 900;
  color: var(--fg); opacity: 0.04; line-height: 0.85;
  pointer-events: none; user-select: none; z-index: 0;
  letter-spacing: -0.05em;
}
.bg-num--sm { font-size: clamp(6rem, 12vw, 14rem); top: 20px; }

/* ---- RED BAR ---- */
.red-bar {
  height: 4px; background: var(--red);
  width: 100%; display: block;
}

/* ---- SECTIONS ---- */
.section {
  position: relative; overflow: hidden;
  padding: 80px 0;
}
.sec-header {
  position: relative; padding: 40px var(--pad) 24px;
  border-bottom: 1px solid var(--bdr); overflow: hidden;
}
.sec-label-row { display: flex; flex-direction: column; gap: 4px; }
.sec-label {
  font-size: 0.625rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--dim);
}
.sec-title {
  font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 900;
  letter-spacing: -0.03em; line-height: 1;
  cursor: default;
}

/* ---- HERO ---- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--nav-h) + 32px) var(--pad) 40px;
  overflow: hidden; border-bottom: 2px solid var(--fg);
}
.hero-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 8px;
}
.h-label {
  font-size: 0.625rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--dim);
}
.hero-name-block { flex: 1; display: flex; align-items: center; }
.hero-name {
  display: flex; flex-direction: column; gap: 0;
  font-size: clamp(6rem, 18vw, 20rem); font-weight: 900;
  letter-spacing: -0.04em; line-height: 0.88;
}
.hn-row { display: block; overflow: hidden; }
.hn-light { font-weight: 300; }
.hn-bold  { font-weight: 900; }
.hn-dot   { color: var(--red); }

.hero-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: end; gap: 32px;
  border-top: 1px solid var(--bdr);
  padding-top: 24px;
}
.hero-info { display: flex; flex-direction: column; gap: 10px; }
.hi-row { display: flex; flex-direction: column; gap: 2px; }
.hi-label {
  font-size: 0.5625rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--dim);
}
.hi-val { font-size: 0.8125rem; font-weight: 500; }
.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.5rem); font-weight: 400;
  line-height: 1.4; color: var(--dim);
}
.hero-cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--fg);
  border: 2px solid var(--fg); padding: 12px 20px;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}
.hero-cta:hover { background: var(--fg); color: var(--bg); }
.hero-cta svg { transition: transform 0.3s var(--ease); }
.hero-cta:hover svg { transform: translate(3px, -3px); }

/* ---- PROJECTS ---- */
.proj-table { display: flex; flex-direction: column; }
.proj-row {
  position: relative; display: grid;
  grid-template-columns: 60px 1fr 120px 60px 40px;
  align-items: center; gap: 24px;
  padding: 28px var(--pad);
  border-bottom: 1px solid var(--bdr);
  text-decoration: none; color: var(--fg);
  overflow: hidden;
  opacity: 0; transform: translateX(-20px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease),
              background 0.3s;
}
.proj-row.in { opacity: 1; transform: translateX(0); }
.proj-row::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 4px; background: var(--red);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform 0.4s var(--ease);
}
.proj-row::after {
  content: ''; position: absolute; inset: 0;
  background: var(--red); opacity: 0;
  transition: opacity 0.3s;
}
.proj-row:hover::before { transform: scaleY(1); }
.proj-row:hover::after  { opacity: 0.06; }
.proj-row > * { position: relative; z-index: 1; }
.pr-num {
  font-size: 0.625rem; font-weight: 700; letter-spacing: 0.12em; color: var(--dim);
}
.pr-name {
  font-size: 1rem; font-weight: 800; letter-spacing: 0.04em;
  transition: color 0.2s;
}
.pr-sub { font-size: 0.75rem; color: var(--dim); margin-top: 2px; }
.pr-cat {
  font-size: 0.625rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dim);
}
.pr-year { font-size: 0.6875rem; font-weight: 600; color: var(--dim); }
.pr-arrow svg { transition: transform 0.3s var(--ease), color 0.2s; }
.proj-row:hover .pr-name { color: var(--red); }
.proj-row:hover .pr-arrow svg { transform: translate(4px,-4px) scale(1.2); color: var(--red); }

/* ---- ABOUT ---- */
.about-grid {
  display: grid; grid-template-columns: 1fr 1.6fr;
  gap: 60px; padding: 60px var(--pad);
}
.about-quote {
  font-size: clamp(1.8rem, 3.5vw, 3rem); font-weight: 800;
  line-height: 1.15; letter-spacing: -0.02em;
  border: none; position: relative;
}
.quote-mark {
  display: block; font-size: 8rem; line-height: 0.5;
  color: var(--red); margin-bottom: 16px; font-weight: 900;
}
.about-p {
  font-size: 0.9375rem; line-height: 1.75; color: var(--dim); margin-bottom: 20px;
}
.about-data { display: flex; flex-direction: column; gap: 14px; margin: 32px 0; }
.ad-row { display: grid; grid-template-columns: 90px 1fr 36px; align-items: center; gap: 12px; }
.ad-label { font-size: 0.5625rem; font-weight: 700; letter-spacing: 0.14em; color: var(--dim); }
.ad-bar { height: 2px; background: var(--bdr); position: relative; }
.ad-fill { height: 100%; background: var(--fg); width: 0; transition: width 1s var(--ease); }
.ad-pct { font-size: 0.625rem; font-weight: 700; color: var(--dim); text-align: right; }
.about-tools { display: flex; flex-wrap: wrap; gap: 8px; }
.a-tool {
  font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 6px 14px;
  border: 1.5px solid var(--fg); color: var(--fg);
  transition: background 0.2s, color 0.2s;
}
.a-tool:hover { background: var(--fg); color: var(--bg); }

/* ---- SERVICES ---- */
.svc-list { padding: 0; }
.svc-row {
  position: relative; display: grid;
  grid-template-columns: 60px 1fr 160px;
  align-items: start; gap: 32px;
  padding: 36px var(--pad);
  border-bottom: 1px solid var(--bdr);
  opacity: 0; transform: translateX(-20px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.svc-row.in { opacity: 1; transform: translateX(0); }
.svc-num {
  font-size: 0.625rem; font-weight: 700; letter-spacing: 0.12em;
  color: var(--dim); padding-top: 4px;
}
.svc-name {
  font-size: 1rem; font-weight: 800; letter-spacing: 0.04em; margin-bottom: 10px;
}
.svc-desc { font-size: 0.875rem; line-height: 1.7; color: var(--dim); }
.svc-tags { display: flex; flex-direction: column; gap: 6px; align-items: flex-end; padding-top: 4px; }
.s-tag {
  font-size: 0.5625rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dim);
  border: 1px solid var(--bdr); padding: 4px 10px;
}
.svc-vbar {
  position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--red);
  transform: scaleY(0); transform-origin: top;
  transition: transform 0.4s var(--ease);
}
.svc-row:hover .svc-vbar { transform: scaleY(1); }

/* ---- CONTACT ---- */
.kontakt { padding-bottom: 80px; }
.kontakt-big {
  font-size: clamp(3rem, 10vw, 10rem); font-weight: 900;
  letter-spacing: -0.04em; line-height: 0.9;
  padding: 40px var(--pad); cursor: default;
}
.kontakt-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  flex-wrap: wrap; gap: 24px;
  padding: 0 var(--pad) 40px;
  border-bottom: 1px solid var(--bdr);
}
.kontakt-sub { font-size: 0.9375rem; line-height: 1.7; color: var(--dim); }
.kontakt-email {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: clamp(1rem, 2.5vw, 1.5rem); font-weight: 700;
  letter-spacing: -0.01em; color: var(--fg);
  border-bottom: 2px solid var(--red); padding-bottom: 4px;
  transition: color 0.2s;
}
.kontakt-email:hover { color: var(--red); }
.kontakt-email svg { transition: transform 0.3s var(--ease); }
.kontakt-email:hover svg { transform: translate(4px,-4px); }
.socials {
  display: flex; align-items: center; gap: 12px;
  padding: 28px var(--pad) 0; flex-wrap: wrap;
}
.socials span { color: var(--dim); }
.soc {
  font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--dim);
  transition: color 0.2s;
}
.soc:hover { color: var(--red); }

/* ---- FOOTER ---- */
.footer {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px var(--pad);
  border-top: 2px solid var(--fg);
  font-size: 0.5625rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dim);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .hero-bottom { grid-template-columns: 1fr 1fr; }
  .hero-cta { grid-column: span 2; justify-self: start; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .nav-links, .nav-avail { display: none; }
  .nav-burger {
    display: flex; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: none; padding: 4px;
  }
  .nav-burger span {
    display: block; width: 22px; height: 2px; background: var(--fg);
    transition: transform 0.3s var(--ease), opacity 0.3s;
  }
  .nav-burger.open span:first-child { transform: translateY(7px) rotate(45deg); }
  .nav-burger.open span:last-child  { transform: translateY(-7px) rotate(-45deg); }
  .proj-row { grid-template-columns: 40px 1fr 24px; }
  .pr-cat, .pr-year { display: none; }
  .svc-row { grid-template-columns: 40px 1fr; }
  .svc-tags { display: none; }
  .cursor { display: none; }
}

@media (max-width: 600px) {
  .hero-bottom { grid-template-columns: 1fr; }
  .hero-cta { grid-column: 1; }
  .kontakt-row { flex-direction: column; align-items: flex-start; }
  .footer { flex-direction: column; gap: 8px; text-align: center; }
}