:root {
  --c-dark: #141413;
  --c-light: #faf9f5;
  --c-mid: #b0aea5;
  --c-subtle: #e8e6dc;
  --c-accent: #d97757;
  --c-accent-soft: #d9775715;
  --c-green: #788c5d;
  --c-ink: #141413;
  --radius: 2.5rem;
  --maxw: 1200px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Lora", Georgia, serif;
  background: var(--c-light);
  color: var(--c-dark);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, .brand-name, .btn, .badge, .eyebrow, .metric-num, .step-no, .lang-btn {
  font-family: "Poppins", system-ui, sans-serif;
}

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

/* ---------- NAV ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 249, 245, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-subtle);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem 1.5rem;
}
.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand-name { font-weight: 600; font-size: 1.1rem; letter-spacing: -0.02em; }
.nav-links { display: flex; gap: 1.8rem; }
.nav-links a { font-family: "Poppins", sans-serif; font-size: 0.95rem; color: var(--c-dark); opacity: 0.7; transition: opacity 0.2s; }
.nav-links a:hover { opacity: 1; }
.nav-actions { display: flex; align-items: center; gap: 0.8rem; }
.lang-btn {
  border: 1px solid var(--c-subtle); background: transparent;
  font-size: 0.8rem; font-weight: 600; padding: 0.35rem 0.7rem;
  border-radius: 999px; cursor: pointer; transition: border-color 0.2s;
}
.lang-btn:hover { border-color: var(--c-dark); }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: "Poppins", sans-serif; font-weight: 600; font-size: 0.95rem;
  padding: 0.8rem 1.6rem; border-radius: 999px; cursor: pointer;
  transition: transform 0.15s var(--ease), background 0.2s, color 0.2s; border: 1px solid transparent;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--c-accent); color: #fff; }
.btn-primary:hover { background: #c2654a; }
.btn-ghost { border-color: var(--c-dark); color: var(--c-dark); }
.btn-ghost:hover { background: var(--c-dark); color: var(--c-light); }
.btn-sm { padding: 0.5rem 1.1rem; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ---------- HERO ---------- */
.hero { max-width: var(--maxw); margin: 0 auto; padding: 5rem 1.5rem 4rem; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3rem; align-items: center; min-height: 70dvh;
}
.badge {
  display: inline-block; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.02em;
  color: var(--c-accent); background: var(--c-accent-soft);
  padding: 0.4rem 0.9rem; border-radius: 999px; margin-bottom: 1.4rem;
}
.hero-title { font-size: clamp(2.4rem, 5vw, 3.8rem); line-height: 1.08; letter-spacing: -0.03em; font-weight: 700; }
.hero-sub { margin: 1.4rem 0 2rem; max-width: 48ch; font-size: 1.1rem; color: #3a3a36; }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats { list-style: none; display: flex; gap: 2.2rem; margin-top: 2.8rem; }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-family: "Poppins", sans-serif; font-size: 1.8rem; font-weight: 700; }
.hero-stats span { font-size: 0.85rem; color: var(--c-mid); }
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-bg { position: absolute; inset: -10% -10% -10% -10%; width: 120%; height: 120%; opacity: 0.7; }
.hero-diagram { position: relative; width: 100%; max-width: 460px; }

/* ---------- SECTION SHELL ---------- */
.section-head { max-width: 720px; margin: 0 auto 3rem; text-align: center; }
.eyebrow { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-accent); }
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); letter-spacing: -0.02em; margin: 0.8rem 0; font-weight: 700; }
.lead { font-size: 1.08rem; color: #3a3a36; }

/* ---------- CASE ---------- */
.case { max-width: var(--maxw); margin: 0 auto; padding: 5rem 1.5rem; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin: 3rem 0; }
.metric {
  background: #fff; border: 1px solid var(--c-subtle); border-top: 3px solid var(--c-accent);
  border-radius: 1.4rem; padding: 1.6rem 1.4rem; text-align: center;
}
.metric-num { display: block; font-family: "Poppins", sans-serif; font-size: 2.4rem; font-weight: 700; line-height: 1; }
.metric-label { font-size: 0.85rem; color: var(--c-mid); margin-top: 0.6rem; display: block; }
.case-body { max-width: 760px; margin: 0 auto; }
.case-body p { margin-bottom: 1.2rem; font-size: 1.05rem; }
.case-body strong { color: var(--c-accent); }
.honest-note {
  background: var(--c-dark); color: var(--c-light); border-radius: 1.6rem;
  padding: 1.8rem; margin-top: 1.5rem;
}
.honest-tag {
  display: inline-block; font-family: "Poppins", sans-serif; font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-accent); margin-bottom: 0.8rem;
}
.honest-note p { margin: 0; font-size: 1.02rem; }

/* ---------- SERVICES ---------- */
.services { max-width: var(--maxw); margin: 0 auto; padding: 5rem 1.5rem; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.service {
  border-top: 1px solid var(--c-subtle); padding: 1.8rem 0.4rem 0.5rem;
}
.service h3 { font-size: 1.3rem; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 0.7rem; }
.service p { color: #3a3a36; font-size: 1.02rem; }

/* ---------- PROCESS ---------- */
.process { max-width: var(--maxw); margin: 0 auto; padding: 5rem 1.5rem; }
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; counter-reset: step; }
.step { border-top: 1px solid var(--c-subtle); padding-top: 1.3rem; }
.step-no { font-family: "Poppins", sans-serif; font-size: 1.1rem; font-weight: 700; color: var(--c-accent); }
.step h3 { font-size: 1.15rem; font-weight: 600; margin: 0.5rem 0 0.5rem; }
.step p { font-size: 0.98rem; color: #3a3a36; }

/* ---------- CONTACT ---------- */
.contact { max-width: var(--maxw); margin: 0 auto; padding: 5rem 1.5rem; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.contact-copy h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); letter-spacing: -0.02em; font-weight: 700; margin: 0.8rem 0 1rem; }
.contact-side { display: flex; gap: 1.8rem; margin-top: 2.2rem; align-items: flex-start; flex-wrap: wrap; }
.qr-box { text-align: center; }
.qr-box img { border: 1px solid var(--c-subtle); border-radius: 1rem; }
.qr-note { font-size: 0.8rem; color: var(--c-mid); margin-top: 0.6rem; max-width: 160px; }
.contact-meta p { font-size: 0.95rem; margin-bottom: 1rem; }
.contact-meta span { font-family: "Poppins", sans-serif; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--c-mid); }
.contact-meta a { color: var(--c-accent); }

.contact-form {
  background: #fff; border: 1px solid var(--c-subtle); border-radius: var(--radius);
  padding: 2rem; box-shadow: 0 10px 40px -20px rgba(20,20,19,0.25);
}
.field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.1rem; }
.field label { font-family: "Poppins", sans-serif; font-size: 0.85rem; font-weight: 500; }
.field input, .field textarea, .field select {
  font-family: "Lora", serif; font-size: 1rem; padding: 0.75rem 0.9rem;
  border: 1px solid var(--c-subtle); border-radius: 0.8rem; background: var(--c-light); color: var(--c-dark);
  transition: border-color 0.2s; width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--c-accent); outline-offset: 1px; border-color: var(--c-accent); }
.field textarea { resize: vertical; }
.err { font-size: 0.8rem; color: #b91c1c; display: none; }
.field.invalid input, .field.invalid textarea { border-color: #b91c1c; }
.field.invalid .err { display: block; }
.form-status { font-size: 0.92rem; margin-top: 0.8rem; min-height: 1.2rem; color: var(--c-green); }

/* ---------- FOOTER ---------- */
.footer { background: var(--c-dark); color: var(--c-light); margin-top: 4rem; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 3rem 1.5rem; display: grid; gap: 1.2rem; }
.footer-brand { display: flex; align-items: center; gap: 0.6rem; font-family: "Poppins", sans-serif; font-weight: 600; }
.footer-disclaimer { font-size: 0.9rem; color: var(--c-mid); max-width: 70ch; line-height: 1.6; }
.footer-copy { font-size: 0.82rem; color: var(--c-mid); }

/* ---------- TOOLS / CATALOG ---------- */
.tools { max-width: var(--maxw); margin: 0 auto; padding: 5rem 1.5rem; }
.toolsgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; margin-top: 2.5rem; }
.toolgroup {
  background: #fff; border: 1px solid var(--c-subtle); border-radius: var(--radius);
  padding: 1.3rem 1.5rem; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.toolgroup:hover { transform: translateY(-3px); box-shadow: 0 14px 44px -24px rgba(20,20,19,0.32); }
.toolgroup h3 { font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 0.9rem; color: var(--c-ink); }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chips code {
  font-family: "Poppins", ui-monospace, monospace; font-size: 0.74rem; font-weight: 500;
  color: var(--c-ink); background: var(--c-accent-soft); border: 1px solid var(--c-subtle);
  padding: 0.28rem 0.6rem; border-radius: 0.5rem; white-space: nowrap;
}

/* ---------- MOUNT ---------- */
.mount { margin-top: 3rem; background: var(--c-ink); color: #f4f1ea; border-radius: var(--radius); padding: 2.4rem 2.2rem; }
.mount .eyebrow { color: var(--c-accent); }
.mount h3 { font-size: 1.4rem; font-weight: 600; letter-spacing: -0.01em; margin: 0.5rem 0 1.6rem; }
.mount-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.mount-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14); border-radius: 0.8rem; padding: 1.2rem 1.3rem; }
.mount-card h4 { font-size: 1rem; font-weight: 600; margin-bottom: 0.6rem; color: #fff; }
.mount-card p { font-size: 0.9rem; line-height: 1.65; color: #d8d3c8; }
.mount-card pre { margin-top: 0.8rem; background: rgba(0,0,0,0.35); border-radius: 0.5rem; padding: 0.7rem 0.85rem; overflow-x: auto; }
.mount-card pre code { font-family: ui-monospace, monospace; font-size: 0.78rem; color: #9fe0c0; }
.mount .honest-note { margin-top: 1.6rem; background: rgba(255,255,255,0.06); }
.mount .honest-tag { background: var(--c-accent); color: var(--c-ink); }
.mount .honest-note p { color: #e4dfd4; }

/* ---------- REVEAL ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; min-height: auto; }
  .hero-visual { order: -1; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .matrix-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .hero { padding: 3rem 1.2rem; }
  .hero-stats { gap: 1.4rem; }
  .metrics { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .nav-actions .btn-sm { display: none; }
  .tools { padding: 3.5rem 1.2rem; }
  .toolsgrid { grid-template-columns: 1fr; }
  .mount-grid { grid-template-columns: 1fr; }
  .mount { padding: 1.8rem 1.3rem; }
}

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

/* ---------- SUB-PROJECT MATRIX ---------- */
.matrix { max-width: var(--maxw); margin: 0 auto; padding: 5rem 1.5rem; }
.matrix-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; margin-top: 2.5rem; }
.matrix-card {
  background: #fff; border: 1px solid var(--c-subtle); border-radius: var(--radius);
  padding: 1.6rem 1.7rem; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.matrix-card:hover { transform: translateY(-3px); box-shadow: 0 14px 44px -24px rgba(20,20,19,0.32); }
.matrix-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.matrix-head h3 { font-size: 1.12rem; font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; }
.matrix-badge {
  flex: none; font-family: "Poppins", sans-serif; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.04em;
  color: var(--c-accent); background: var(--c-accent-soft); border: 1px solid var(--c-subtle);
  padding: 0.3rem 0.7rem; border-radius: 999px; white-space: nowrap;
}
.matrix-why { font-size: 0.98rem; color: #3a3a36; margin-bottom: 0.8rem; }
.matrix-why b, .matrix-how b { color: var(--c-accent); font-weight: 600; }
.matrix-how { font-size: 0.98rem; color: #3a3a36; }