/* Kerkars — premium personal identity */

:root {
  --bg: #070708;
  --bg-elevated: #0e0e10;
  --text: #f2efe8;
  --text-muted: #9c9890;
  --text-dim: #5c5a55;
  --accent: #c4b5a0;
  --border: rgba(242, 239, 232, 0.07);
  --border-hover: rgba(242, 239, 232, 0.14);

  --font: "Inter", system-ui, -apple-system, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --space-2xl: 12rem;

  --nav-height: 4.5rem;
  --content-width: 72rem;
  --content-pad: clamp(1.25rem, 5vw, 3rem);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --display: clamp(4.5rem, 18vw, 14rem);
  --h2: clamp(0.65rem, 1.2vw, 0.75rem);
  --body: clamp(1rem, 1.5vw, 1.125rem);
  --meta: 0.6875rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: var(--font);
  font-weight: 400;
  font-size: var(--body);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

::selection {
  background: rgba(196, 181, 160, 0.25);
  color: var(--text);
}

/* Preview mode */
.preview-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: 0.5rem 1rem;
  text-align: center;
  font-size: var(--meta);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(196, 181, 160, 0.15);
  color: var(--accent);
  border-bottom: 1px solid var(--border);
}

body.is-preview { padding-top: 2rem; }

.hero--center .hero__inner { text-align: center; margin: 0 auto; }
.hero--center .hero__tagline { margin-left: auto; margin-right: auto; }
.hero--right .hero__inner { text-align: right; margin-left: auto; }

.hero__eyebrow {
  font-size: var(--meta);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.hero__button {
  display: inline-block;
  margin-top: 2rem;
  font-size: var(--meta);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25rem;
  transition: color 0.3s var(--ease-out), border-color 0.3s;
}

.hero__button:hover { color: var(--text); border-color: var(--accent); }

.contact__desc {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 40ch;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.footer__link {
  font-size: var(--meta);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.3s;
}

.footer__link:hover { color: var(--text-muted); }


.atmosphere {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.atmosphere__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(196, 181, 160, 0.04), transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 50%, rgba(255, 255, 255, 0.015), transparent 50%),
    radial-gradient(ellipse 40% 30% at 0% 80%, rgba(255, 255, 255, 0.01), transparent 50%);
}

.atmosphere__cursor {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(196, 181, 160, 0.04) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.6s var(--ease-out);
  will-change: transform;
}

body.is-loaded .atmosphere__cursor {
  opacity: 1;
}

.atmosphere__grain {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  mix-blend-mode: overlay;
}

.atmosphere__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 0%, transparent 75%);
  opacity: 0.4;
}

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

/* ── Skip link ── */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--content-pad);
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: var(--text);
  color: var(--bg);
  font-size: var(--meta);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus {
  top: var(--space-sm);
}

/* ── Navigation ── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 var(--content-pad);
  transition: background 0.4s var(--ease-out), backdrop-filter 0.4s var(--ease-out);
}

.nav.is-scrolled {
  background: rgba(7, 7, 8, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: var(--meta);
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--text);
  text-decoration: none;
  transition: opacity 0.3s var(--ease-out);
}

.nav__logo:hover {
  opacity: 0.6;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  list-style: none;
}

.nav__link {
  font-size: var(--meta);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s var(--ease-out);
  position: relative;
}

.nav__link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.35s var(--ease-out);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--text);
}

.nav__link:hover::after,
.nav__link:focus-visible::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text);
}

.nav__toggle-bar {
  display: block;
  width: 20px;
  height: 1px;
  background: currentColor;
  margin: 5px 0;
  transition: transform 0.35s var(--ease-out), opacity 0.35s;
}

.nav.is-open .nav__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav.is-open .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav.is-open .nav__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 640px) {
  .nav__toggle {
    display: block;
  }

  .nav__links {
    position: fixed;
    inset: 0;
    top: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    background: rgba(7, 7, 8, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s var(--ease-out), visibility 0.4s;
  }

  .nav.is-open .nav__links {
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    font-size: 0.75rem;
    letter-spacing: 0.25em;
  }
}

/* ── Layout ── */

main {
  position: relative;
  z-index: 1;
}

.section {
  padding: var(--space-xl) var(--content-pad);
}

.section__inner {
  max-width: var(--content-width);
  margin: 0 auto;
}

.section__label {
  font-size: var(--h2);
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: var(--space-lg);
}

/* ── Reveal animations ── */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.9s var(--ease-out),
    transform 0.9s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── Hero ── */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-height) + var(--space-md)) var(--content-pad) var(--space-lg);
  position: relative;
}

.hero__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  width: 100%;
}

.hero__title {
  font-size: var(--display);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 0.9;
  color: var(--text);
  transform-origin: center center;
  will-change: transform;
}

.hero__title .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
}

body.is-loaded .hero__title .char {
  opacity: 1;
  transform: translateY(0);
}

.hero__tagline {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 300;
  letter-spacing: 0.01em;
  color: var(--text-muted);
  max-width: 28ch;
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.9s var(--ease-out) 0.5s,
    transform 0.9s var(--ease-out) 0.5s;
}

body.is-loaded .hero__tagline {
  opacity: 1;
  transform: translateY(0);
}

.hero__scroll {
  position: absolute;
  bottom: clamp(2rem, 5vh, 3.5rem);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  transition: opacity 0.8s var(--ease-out) 1s;
}

body.is-loaded .hero__scroll {
  opacity: 1;
}

.hero__scroll-text {
  font-size: var(--meta);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-dim), transparent);
  animation: scroll-pulse 2.4s var(--ease-in-out) infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__title .char {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__tagline,
  body.is-loaded .hero__tagline {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__scroll-line {
    animation: none;
    opacity: 0.5;
  }
}

/* ── Currently ── */

.currently {
  padding-top: 0;
  padding-bottom: var(--space-xl);
}

.currently__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 2vw, 1.25rem);
}

.currently__item {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--text-muted);
  transition: color 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.currently__item:hover {
  color: var(--text);
  transform: translateX(4px);
}

@media (prefers-reduced-motion: reduce) {
  .currently__item:hover {
    transform: none;
  }
}

/* ── About ── */

.about {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-xl);
}

.about__text {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 300;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 22ch;
}

/* ── Things ── */

.things {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-xl);
}

.things__list {
  list-style: none;
}

.things__item {
  border-top: 1px solid var(--border);
}

.things__item:last-child {
  border-bottom: 1px solid var(--border);
}

.things__link {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 0.35rem 1.5rem;
  padding: clamp(1.5rem, 3vw, 2.25rem) 0;
  text-decoration: none;
  color: inherit;
  transition:
    background 0.4s var(--ease-out),
    padding-left 0.4s var(--ease-out);
  position: relative;
}

.things__link::before {
  content: "";
  position: absolute;
  inset: 0 -1rem;
  background: rgba(242, 239, 232, 0.02);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
  border-radius: 2px;
}

.things__link:hover::before,
.things__link:focus-visible::before {
  opacity: 1;
}

.things__link:hover,
.things__link:focus-visible {
  padding-left: 0.75rem;
}

.things__name {
  grid-column: 1;
  grid-row: 1;
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  transition: color 0.3s var(--ease-out);
}

.things__desc {
  grid-column: 1;
  grid-row: 2;
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  font-weight: 300;
  color: var(--text-muted);
  max-width: 40ch;
}

.things__arrow {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  font-size: 1.125rem;
  color: var(--text-dim);
  transition:
    color 0.3s var(--ease-out),
    transform 0.35s var(--ease-out);
}

.things__link:hover .things__arrow,
.things__link:focus-visible .things__arrow {
  color: var(--accent);
  transform: translate(3px, -3px);
}

@media (prefers-reduced-motion: reduce) {
  .things__link:hover,
  .things__link:focus-visible {
    padding-left: 0;
  }

  .things__link:hover .things__arrow,
  .things__link:focus-visible .things__arrow {
    transform: none;
  }
}

/* ── Contact ── */

.contact {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.contact__headline {
  font-size: clamp(3rem, 12vw, 8rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: clamp(2rem, 5vw, 4rem);
  text-transform: uppercase;
}

.contact__links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.contact__link {
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  position: relative;
  transition: color 0.3s var(--ease-out);
}

.contact__link::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}

.contact__link:hover,
.contact__link:focus-visible {
  color: var(--text);
}

.contact__link:hover::after,
.contact__link:focus-visible::after {
  transform: scaleX(1);
}

/* ── Footer ── */

.footer {
  padding: var(--space-xl) var(--content-pad) var(--space-lg);
  border-top: 1px solid var(--border);
}

.footer__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer__brand {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--text);
  opacity: 0.15;
}

.footer__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__copy {
  font-size: var(--meta);
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.footer__top {
  font-size: var(--meta);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.3s var(--ease-out);
}

.footer__top:hover,
.footer__top:focus-visible {
  color: var(--text-muted);
}

/* ── Focus ── */

:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 4px;
}

:focus:not(:focus-visible) {
  outline: none;
}