/* ===========================================================
   Nesteterna Wellness Hub — design tokens & base styles
   =========================================================== */

:root {
  --paper: #F6ECDA;
  --paper-dim: #EFE2C7;
  --ink: #262119;
  --ink-soft: #55503F;
  --teal: #144A4D;
  --teal-soft: #23605F;
  --teal-deep: #0C3335;
  --clay: #C79A5B;
  --clay-soft: #D8B489;
  --sage: #23605F;
  --gold: #C9A46B;
  --line: rgba(201, 164, 107, 0.32);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "IBM Plex Sans", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --container: 1120px;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--teal-deep);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 600;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.35rem; }

em { font-style: italic; color: var(--clay); }

p { margin: 0 0 1em; color: var(--ink-soft); }

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--clay);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--clay);
  display: inline-block;
}

section { padding: 96px 0; }
@media (max-width: 720px) {
  section { padding: 56px 0; }
}

.divider {
  height: 1px;
  background: var(--line);
  border: none;
  margin: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn-primary { background: var(--clay); color: var(--paper); }
.btn-primary:hover { background: var(--clay-soft); transform: translateY(-2px); }
.btn-ghost { border-color: var(--teal); color: var(--teal); }
.btn-ghost:hover { background: var(--teal); color: var(--paper); }
.btn-on-dark { border-color: rgba(245,239,228,0.5); color: var(--paper); }
.btn-on-dark:hover { background: var(--paper); color: var(--teal-deep); }

/* ---------- Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 239, 228, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--teal-deep);
}
.brand-mark {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--teal);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.brand-mark svg { width: 20px; height: 20px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-links a { color: var(--ink-soft); position: relative; padding: 4px 0; }
.nav-links a.active, .nav-links a:hover { color: var(--teal); }
.nav-links a.active::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -4px;
  height: 2px; background: var(--clay);
}
.nav-cta {
  margin-left: 8px;
  font-weight: 700;
  padding: 14px 30px;
  box-shadow: 0 6px 18px rgba(20, 74, 77, 0.28);
}

.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: var(--teal-deep);
  margin: 5px 0; transition: 0.2s;
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed; inset: 72px 0 0 0; background: var(--paper);
    flex-direction: column; justify-content: flex-start; align-items: flex-start;
    padding: 32px 28px; gap: 26px; font-size: 0.95rem;
    transform: translateX(100%); transition: transform 0.3s ease;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle { display: block; }
}

/* ---------- Hero / breathing rings signature ---------- */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}
.breathing-rings {
  position: absolute;
  top: 50%; right: -6%;
  transform: translateY(-50%);
  width: 620px; height: 620px;
  pointer-events: none;
  z-index: 0;
}
.breathing-rings circle {
  fill: none;
  stroke-width: 1;
}
.hero-content { position: relative; z-index: 1; max-width: 640px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 34px; }

@media (prefers-reduced-motion: no-preference) {
  .ring-a { animation: breathe 8s ease-in-out infinite; }
  .ring-b { animation: breathe 8s ease-in-out infinite 1.3s; }
  .ring-c { animation: breathe 8s ease-in-out infinite 2.6s; }
}
@keyframes breathe {
  0%, 100% { opacity: 0.15; transform: scale(0.88); }
  50% { opacity: 0.4; transform: scale(1.04); }
}

@media (max-width: 900px) {
  .breathing-rings { width: 380px; height: 380px; right: -12%; opacity: 0.6; }
}

/* ---------- Trust strip ---------- */
.trust-strip {
  background: var(--teal-deep);
  color: var(--paper);
  padding: 20px 0;
  overflow: hidden;
}
.trust-marquee-wrapper {
  overflow: hidden;
  width: 100%;
}
.trust-marquee {
  display: flex;
  align-items: center;
  gap: 16px;
  width: max-content;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.9;
  animation: trust-scroll 28s linear infinite;
}
.trust-marquee:hover { animation-play-state: paused; }
.trust-marquee .dot { color: var(--gold); opacity: 0.8; }
@keyframes trust-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .trust-marquee { animation: none; }
}

/* ---------- Cards ---------- */
.grid {
  display: grid;
  gap: 28px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
}
.concern-card {
  background: var(--paper-dim);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--line);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.concern-card:hover { transform: translateY(-4px); border-color: var(--clay); }
.concern-card .tag {
  font-family: var(--font-mono); font-size: 0.7rem;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--sage); margin-bottom: 10px; display: block;
}

/* ---------- Team ---------- */
.person-card { text-align: left; }
.person-photo {
  width: 100%; aspect-ratio: 4/5; border-radius: var(--radius);
  background: linear-gradient(160deg, var(--sage), var(--teal-soft));
  margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(245,239,228,0.9); font-family: var(--font-display); font-size: 2.6rem;
}

.conversation-art {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1/1;
}
.conversation-art svg { width: 100%; height: 100%; display: block; }
.person-role {
  font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--clay); margin-bottom: 6px; display: block;
}

/* ---------- Steps (genuinely sequential) ---------- */
.step {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.step:last-child { border-bottom: none; }
.step-num {
  font-family: var(--font-display); font-size: 1.6rem; color: var(--sage);
  min-width: 46px;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--teal);
  color: var(--paper);
  border-radius: 28px;
  padding: 64px 48px;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-band h2 { color: var(--paper); }
.cta-band p { color: rgba(245,239,228,0.8); max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 26px; }
.cta-band .breathing-rings { right: auto; left: -10%; opacity: 0.5; }

/* ---------- Testimonial ---------- */
.testimonial {
  max-width: 720px; margin: 0 auto; text-align: center;
}
.testimonial blockquote {
  font-family: var(--font-display); font-size: 1.5rem; font-style: italic;
  color: var(--teal-deep); margin: 0 0 20px;
}
.testimonial cite {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--ink-soft); font-style: normal;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--teal-deep); color: rgba(245,239,228,0.85); padding: 40px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 24px; margin-bottom: 26px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 {
  color: var(--paper); font-family: var(--font-mono); font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px;
}
.site-footer a { color: rgba(245,239,228,0.75); display: block; margin-bottom: 6px; }
.site-footer a:hover { color: var(--clay-soft); }
.footer-bottom {
  border-top: 1px solid rgba(245,239,228,0.15);
  padding-top: 14px;
  font-family: var(--font-mono); font-size: 0.72rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  opacity: 0.6;
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero { padding: 64px 0 20px; }
.page-hero .eyebrow { margin-bottom: 14px; }

/* ---------- Form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 620px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field.full { grid-column: 1 / -1; }
label {
  font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--ink-soft);
}
input, select, textarea {
  font-family: var(--font-body); font-size: 1rem;
  padding: 13px 16px; border-radius: 10px;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--teal); outline-offset: 1px;
}
textarea { resize: vertical; min-height: 120px; }

.info-list { display: flex; flex-direction: column; gap: 22px; }
.info-item .tag { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--clay); display: block; margin-bottom: 4px; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }