/* LLX Group — modern, alive, restrained */

:root {
  --ink: #0b0b0b;
  --ink-2: #1a1a1a;
  --ink-soft: #444444;
  --muted: #6b6b6b;
  --line: #eae8e2;
  --line-strong: #d9d6ce;
  --bg: #fbfaf6;
  --bg-soft: #f3f1ea;
  --surface: #ffffff;
  --accent: #0b0b0b;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino,
    "Book Antiqua", Georgia, "Times New Roman", serif;

  --max: 78rem;
  --pad: clamp(1.25rem, 4vw, 2.75rem);
  --gap-section: clamp(5rem, 11vw, 9rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 200ms var(--ease), color 200ms var(--ease);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 250ms var(--ease), background 250ms var(--ease);
}

.site-header.scrolled { border-bottom-color: var(--line); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  color: var(--ink);
}

.brand-mark { position: relative; }

.brand-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--ink);
  display: inline-block;
  animation: breathe 2.8s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { opacity: 0.35; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.25); }
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.nav a {
  position: relative;
  padding: 0.25rem 0;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 260ms var(--ease);
}

.nav a:hover { color: var(--ink); }
.nav a:hover::after { transform: scaleX(1); }

.nav .lang {
  margin-left: 0.5rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.nav .lang::after { display: none; }

.nav .lang:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

@media (max-width: 640px) {
  .nav a:not(.lang) { display: none; }
}

/* Hero */
.hero {
  padding: clamp(6rem, 15vw, 11rem) 0 clamp(5rem, 11vw, 8rem);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(800px 400px at 15% 20%, rgba(0, 0, 0, 0.025), transparent 60%),
    radial-gradient(600px 500px at 85% 70%, rgba(0, 0, 0, 0.02), transparent 60%);
  pointer-events: none;
}

.hero-inner { position: relative; }

.eyebrow {
  margin: 0 0 1.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 7vw, 5.25rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--ink);
  max-width: 20ch;
}

.hero-title em {
  font-style: italic;
  color: var(--ink-2);
}

.hero-sub {
  margin: 1.75rem 0 2.75rem;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.6;
  max-width: 48ch;
}

.hero-cta { margin: 0; }

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.95rem 1.6rem;
  background: var(--ink);
  color: var(--bg);
  border-radius: 999px;
  font-size: 0.96rem;
  letter-spacing: 0.005em;
  font-weight: 500;
  transition: transform 220ms var(--ease), background-color 220ms var(--ease),
    box-shadow 220ms var(--ease);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.button svg { transition: transform 220ms var(--ease); }

.button:hover {
  background: #000;
  transform: translateY(-1px);
  box-shadow: 0 12px 32px -12px rgba(0, 0, 0, 0.4);
}

.button:hover svg { transform: translateX(3px); }

/* Sections */
.section {
  padding: var(--gap-section) 0;
  position: relative;
}

.section + .section { border-top: 1px solid var(--line); }

.section-head {
  margin-bottom: 3rem;
  max-width: 52ch;
}

.section-index {
  display: inline-block;
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.section-head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.section-intro {
  margin: 1rem 0 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 44ch;
}

/* Tiles */
.tiles {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

@media (min-width: 640px)  { .tiles { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .tiles { grid-template-columns: repeat(4, 1fr); } }

.tile {
  background: var(--surface);
  padding: 2rem 1.5rem 2.25rem;
  position: relative;
  transition: background-color 260ms var(--ease), transform 260ms var(--ease);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 200px;
}

.tile:hover { background: var(--bg-soft); }

.tile-num {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--muted);
  font-weight: 500;
}

.tile h3 {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.tile p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.55;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 860px) {
  .about-grid { grid-template-columns: 1fr 2fr; gap: 5rem; }
}

.about-body p {
  margin: 0 0 1.1rem;
  color: var(--ink-soft);
  font-size: 1.08rem;
  line-height: 1.7;
}

.about-body p.lead,
.contact-body p.lead {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  line-height: 1.3;
  color: var(--ink);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 860px) {
  .contact-grid { grid-template-columns: 1fr 2fr; gap: 5rem; }
}

.email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  letter-spacing: -0.015em;
  color: var(--ink);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--ink);
  transition: opacity 220ms var(--ease), transform 220ms var(--ease);
}

.email svg {
  transition: transform 220ms var(--ease);
  margin-bottom: 0.3rem;
  color: var(--ink-soft);
}

.email:hover svg {
  transform: translate(3px, -3px);
  color: var(--ink);
}

/* Footer */
.site-footer {
  padding: 3rem 0 3.5rem;
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.footer-brand {
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.footer-meta {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
}

.footer-meta .lang {
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.footer-meta .lang:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.muted { color: var(--muted); }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 800ms var(--ease), transform 800ms var(--ease);
  will-change: opacity, transform;
}

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

.hero .reveal:nth-child(1) { transition-delay: 80ms; }
.hero .reveal:nth-child(2) { transition-delay: 180ms; }
.hero .reveal:nth-child(3) { transition-delay: 300ms; }
.hero .reveal:nth-child(4) { transition-delay: 420ms; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 2px;
}

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

/* ---- Contact form ---- */
.form {
  margin-top: 2.75rem;
  max-width: 42rem;
  display: grid;
  gap: 1.5rem;
}

.field {
  display: grid;
  gap: 0.5rem;
}

.field label {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.field input,
.field textarea {
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  width: 100%;
  transition: border-color 200ms var(--ease),
    box-shadow 200ms var(--ease), background-color 200ms var(--ease);
}

.field textarea {
  resize: vertical;
  min-height: 8rem;
}

.field input:hover,
.field textarea:hover {
  border-color: var(--ink-soft);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06);
}

.field.error input,
.field.error textarea {
  border-color: #a33;
  background: #fdf6f5;
}

.field-turnstile {
  min-height: 65px;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 0.25rem;
}

.form button[type="submit"] {
  border: 0;
  cursor: pointer;
  font-family: inherit;
}

.form button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.form-status {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
  min-height: 1.4em;
}

.form-status.is-success {
  color: #1f6b3e;
}

.form-status.is-error {
  color: #a33;
}

/* Turnstile iframe — tidy default rendering */
.cf-turnstile > iframe {
  border-radius: 6px;
}