:root {
  --ink: #140f0c;
  --ink-soft: #6b5344;
  --paper: #f4efe7;
  --paper-warm: #ebe2d4;
  --ember: #ea580c;
  --ember-bright: #fb923c;
  --ember-deep: #9a3412;
  --gold: #d4a017;
  --stone: #9ca3af;
  --cool: #00d4ff;
  --cool-glow: #67e8f9;
  --line: rgba(20, 15, 12, 0.12);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --font-display: "Barlow Condensed", sans-serif;
  --font-body: "Barlow", sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 4.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.65rem 1rem;
  background: var(--ink);
  color: #fff;
  border-radius: 0.4rem;
  transition: top 0.2s var(--ease-out);
}

.skip-link:focus {
  top: 1rem;
}

/* Ambient background */
.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.ambient-ember {
  position: absolute;
  top: -10%;
  right: -8%;
  width: 55vw;
  height: 55vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(251, 146, 60, 0.22) 0%, transparent 68%);
  animation: drift-ember 14s ease-in-out infinite alternate;
}

.ambient-frost {
  position: absolute;
  bottom: 10%;
  left: -12%;
  width: 45vw;
  height: 45vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(103, 232, 249, 0.12) 0%, transparent 70%);
  animation: drift-frost 16s ease-in-out infinite alternate;
}

.ambient-grain {
  position: absolute;
  inset: 0;
  opacity: 0.14;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  background: rgba(10, 8, 7, 0.55);
  color: #fff7ed;
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(244, 239, 231, 0.94);
  color: var(--ink);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem;
  border-radius: 999px;
  border: 1.5px solid rgba(255, 247, 237, 0.28);
  background: rgba(0, 0, 0, 0.18);
}

.site-header.is-scrolled .lang-switch {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.lang-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  line-height: 1;
  padding: 0.45rem 0.65rem;
  border-radius: 999px;
  cursor: pointer;
  opacity: 0.72;
  transition:
    opacity 0.2s ease,
    background 0.2s ease,
    color 0.2s ease;
}

.lang-btn:hover,
.lang-btn:focus-visible {
  opacity: 1;
}

.lang-btn.is-active {
  opacity: 1;
  background: #fff7ed;
  color: var(--ink);
}

.site-header.is-scrolled .lang-btn.is-active {
  background: var(--ink);
  color: #fff;
}

.logo-mark {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
}

body.logo-missing .hero-logo {
  display: none;
}

body.logo-missing .logo-mark {
  display: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-weight: 500;
  font-size: 0.98rem;
}

.nav a {
  opacity: 0.82;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
  opacity: 1;
  color: var(--ember);
}

.nav-cta {
  padding: 0.55rem 1rem;
  border: 1.5px solid currentColor;
  border-radius: 999px;
  opacity: 1 !important;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: #fff7ed;
  color: var(--ink) !important;
  border-color: #fff7ed;
}

.site-header.is-scrolled .nav-cta:hover,
.site-header.is-scrolled .nav-cta:focus-visible {
  background: var(--ink);
  color: #fff !important;
  border-color: var(--ink);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1.25rem;
  padding:
    calc(var(--header-h) + 1.5rem)
    clamp(1.25rem, 4vw, 3rem)
    clamp(2.5rem, 5vw, 4rem);
  background:
    radial-gradient(ellipse 70% 55% at 50% 35%, rgba(234, 88, 12, 0.22), transparent 70%),
    radial-gradient(ellipse 40% 40% at 50% 40%, rgba(0, 212, 255, 0.08), transparent 60%),
    linear-gradient(180deg, #0a0807 0%, #1a120e 55%, #2a1a12 100%);
  color: #f5efe6;
  overflow: clip;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 6rem;
  background: linear-gradient(180deg, transparent, var(--paper));
  pointer-events: none;
}

.hero-brand {
  position: relative;
  z-index: 1;
  width: min(100%, 520px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}

.hero-logo {
  width: min(100%, 420px);
  height: auto;
  object-fit: contain;
  animation: emblem-float 7s ease-in-out infinite;
  filter: drop-shadow(0 0 40px rgba(234, 88, 12, 0.35));
}

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.75rem, 8vw, 4.75rem);
  line-height: 0.95;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff7ed;
}

.hero-tagline {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(0.95rem, 2.4vw, 1.15rem);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cool);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 34rem;
}

.hero-lead {
  margin: 0;
  color: rgba(245, 239, 230, 0.78);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  margin-top: 1.35rem;
}

.hero .btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 247, 237, 0.35);
  color: #fff7ed;
}

.hero .btn-ghost:hover,
.hero .btn-ghost:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff7ed;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  transition:
    transform 0.25s var(--ease-out),
    background 0.25s ease,
    color 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--ember) 0%, var(--ember-deep) 100%);
  color: #fff;
  border: 1px solid var(--ember-deep);
  box-shadow: var(--shadow);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: linear-gradient(135deg, var(--ember-bright) 0%, var(--ember) 100%);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.55);
  border: 1.5px solid rgba(43, 24, 16, 0.2);
  color: var(--ink);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: #fff;
  border-color: var(--ink);
}

.btn-large {
  min-height: 3.4rem;
  padding-inline: 1.65rem;
  font-size: 1.05rem;
}

/* Sections */
.section-inner {
  width: min(1080px, 100%);
  margin: 0 auto;
  padding: clamp(4.5rem, 10vw, 7rem) clamp(1.25rem, 4vw, 3rem);
}

.section-kicker {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cool);
}

.section-title {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.section-lead {
  margin: 1rem 0 0;
  max-width: 40rem;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

.section-lead strong {
  color: var(--ink);
}

/* Projects */
.projects {
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, var(--paper-warm) 0%, var(--paper) 100%),
    radial-gradient(80% 60% at 20% 0%, rgba(234, 88, 12, 0.08), transparent 55%);
}

.project-grid {
  list-style: none;
  margin: 2.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 2rem 1.75rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 12px 40px rgba(43, 24, 16, 0.06);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s ease, border-color 0.3s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(234, 88, 12, 0.28);
  box-shadow: 0 18px 48px rgba(124, 45, 18, 0.1);
}

.project-card-head {
  display: grid;
  gap: 0.35rem;
}

.project-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: rgba(6, 182, 212, 0.12);
  color: #0e7490;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.project-tagline {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ember);
}

.project-body {
  margin: 0;
  max-width: 42rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.project-note {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
  opacity: 0.85;
}

.project-link {
  margin-top: 0.35rem;
}

/* Tools */
.tools {
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent 25%),
    linear-gradient(180deg, transparent, rgba(6, 182, 212, 0.04));
}

.tool-grid {
  list-style: none;
  margin: 2.75rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.tool-card {
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.55);
  box-shadow: 0 8px 30px rgba(43, 24, 16, 0.04);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s ease, border-color 0.3s ease;
}

.tool-card:hover {
  transform: translateY(-4px);
  border-color: rgba(234, 88, 12, 0.25);
  box-shadow: 0 16px 40px rgba(124, 45, 18, 0.1);
}

.tool-icon {
  display: inline-block;
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--ember);
}

.tool-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.tool-card p {
  margin: 0.55rem 0 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* About */
.about {
  border-top: 1px solid var(--line);
  background: var(--paper-warm);
}

.about-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: start;
}

.about-quote {
  margin: 0;
  padding: 1.75rem 1.5rem;
  border-left: 4px solid var(--ember);
  border-radius: 0 0.75rem 0.75rem 0;
  background: rgba(255, 255, 255, 0.5);
  font-size: 1.05rem;
  color: var(--ink-soft);
}

.about-quote p {
  margin: 0;
}

/* Contact */
.contact {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(70% 80% at 90% 10%, rgba(251, 146, 60, 0.14), transparent 55%),
    radial-gradient(60% 70% at 5% 90%, rgba(6, 182, 212, 0.1), transparent 50%),
    linear-gradient(180deg, var(--paper-warm) 0%, #ebe2d6 100%);
}

.contact-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.contact .section-lead {
  margin-bottom: 1.75rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
}

.footer-inner {
  width: min(1080px, 100%);
  margin: 0 auto;
  padding: 2rem clamp(1.25rem, 4vw, 3rem);
  display: grid;
  gap: 0.5rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer-tagline {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.footer-copy {
  margin: 0.5rem 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.75s var(--ease-out),
    transform 0.75s var(--ease-out);
  transition-delay: var(--d, 0ms);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* Animations */
@keyframes drift-ember {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-3%, 4%, 0) scale(1.06); }
}

@keyframes drift-frost {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(4%, -3%, 0) scale(1.05); }
}

@keyframes emblem-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .ambient-ember,
  .ambient-frost,
  .hero-logo {
    animation: none !important;
  }

  .btn:hover,
  .btn:focus-visible,
  .tool-card:hover,
  .project-card:hover {
    transform: none;
  }
}

@media (max-width: 900px) {
  .hero-logo {
    width: min(100%, 360px);
  }

  .tool-grid {
    grid-template-columns: 1fr;
  }

  .about-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .header-actions {
    gap: 0.65rem;
  }

  .nav a:not(.nav-cta):not([href="#projects"]) {
    display: none;
  }

  .logo-text {
    display: none;
  }
}