/* --- tokens --- */
:root {
  --ink: #0d1418;
  --ink-2: #1a2228;
  --ink-3: #2b353c;
  --line: #e6e6e3;
  --paper: #f4f1ec;
  --paper-2: #ffffff;
  --accent: #00c46a;       /* pitch green */
  --accent-2: #003d20;     /* deep green */
  --muted: #6b7177;
  --max: 1240px;
  --pad: clamp(20px, 4vw, 56px);
  --radius: 14px;
  --serif: "Oswald", "Helvetica Neue", Arial, sans-serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* --- header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 241, 236, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 6px;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.02em;
}
.brand-tag {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 2px;
}
.nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
}
.nav a {
  position: relative;
  padding: 6px 0;
  color: var(--ink-2);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: var(--accent);
  transition: width .25s ease;
}
.nav a:hover::after { width: 100%; }
.header-cta { display: flex; }

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: 6px;
  cursor: pointer;
  padding: 10px 8px;
  flex-direction: column;
  justify-content: space-between;
}
.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
}

/* --- buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--accent);
  color: var(--ink);
}
.btn-primary:hover { background: #00d977; }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-ghost {
  background: var(--ink);
  color: var(--paper);
  padding: 10px 18px;
  font-size: 12.5px;
}
.btn-ghost:hover { background: var(--ink-2); }
.btn-sm { padding: 10px 18px; font-size: 12.5px; }
.btn-block { width: 100%; }

/* --- hero --- */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 14vh, 140px) 0 clamp(72px, 12vh, 120px);
  background: var(--ink);
  color: var(--paper);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,16,20,0.72) 0%, rgba(13,20,24,0.92) 78%, #0d1418 100%),
    radial-gradient(900px 500px at 80% 10%, rgba(0, 196, 106, 0.22), transparent 60%),
    url('assets/emilio-garcia-AWdCgDDedH0-unsplash.jpg') center 30% / cover no-repeat,
    #0a1014;
}
.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.45) 100%);
  pointer-events: none;
}
.hero-wrap { position: relative; z-index: 1; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  padding: 7px 14px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(0, 196, 106, 0.45);
  border-radius: 999px;
  background: rgba(0, 196, 106, 0.07);
}

.hero-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(48px, 9vw, 124px);
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin: 0 0 28px;
  text-transform: uppercase;
}
.hero-title .line { display: block; }
.hero-title .line-2 {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--paper);
}

.hero-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  color: #c8cdd0;
  max-width: 620px;
  margin: 0 0 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 64px;
}
.hero-actions .btn-outline {
  color: var(--paper);
  border-color: var(--paper);
}
.hero-actions .btn-outline:hover { background: var(--paper); color: var(--ink); }

.hero-stats {
  list-style: none;
  margin: 0;
  padding: 28px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  max-width: 720px;
}
.hero-stats li { display: flex; flex-direction: column; gap: 4px; }
.hero-stats strong {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(32px, 4vw, 44px);
  color: var(--paper);
  line-height: 1;
}
.hero-stats span {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #9aa1a6;
}

.hero-scroll {
  position: absolute;
  right: var(--pad);
  bottom: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: #9aa1a6;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 1;
}
.line-down {
  width: 1px;
  height: 56px;
  background: linear-gradient(180deg, var(--accent), transparent);
  animation: drop 2.2s ease-in-out infinite;
  transform-origin: top;
}
@keyframes drop {
  0%, 100% { transform: scaleY(0.3); opacity: .3; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* --- sections shared --- */
section { padding: clamp(72px, 10vh, 120px) 0; }
.section-eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 600;
}
.section-eyebrow.light { color: var(--accent); }
.section-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.005em;
  margin: 0 0 0;
  text-transform: none;
}
.section-title.light { color: var(--paper); }
.section-head { margin-bottom: 56px; max-width: 720px; }
.section-head.centered { margin-left: auto; margin-right: auto; text-align: center; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}

/* --- about --- */
.about { background: var(--paper); }
.about-meta { position: sticky; top: 100px; }

.portrait {
  margin: 40px 0 0;
  max-width: 360px;
}
.portrait-frame {
  position: relative;
  display: block;
}
.portrait-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  background: var(--ink);
  filter: grayscale(12%) contrast(1.03);
  transition: filter .35s ease;
}
.portrait-frame:hover img {
  filter: grayscale(0%) contrast(1);
}
.portrait figcaption {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.portrait figcaption strong {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 18px;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.portrait figcaption span {
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}
.about-body p { font-size: 17px; margin: 0 0 18px; color: var(--ink-2); }
.about-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 28px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.about-list li {
  display: flex;
  gap: 16px;
  align-items: baseline;
  font-weight: 500;
  font-size: 15px;
}
.about-list span {
  font-family: var(--serif);
  color: var(--accent-2);
  font-size: 13px;
  letter-spacing: 0.1em;
}

/* --- services --- */
.services {
  position: relative;
  background:
    linear-gradient(180deg, rgba(13,20,24,0.92) 0%, rgba(13,20,24,0.95) 100%),
    url('assets/mario-klassen-70YxSTWa2Zw-unsplash.jpg') center / cover no-repeat fixed;
  color: var(--paper);
}
.services::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(700px 400px at 90% 0%, rgba(0,196,106,0.12), transparent 60%);
  pointer-events: none;
}
.services > .wrap { position: relative; z-index: 1; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  overflow: hidden;
}
.service {
  background: var(--ink);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background .25s ease, transform .25s ease;
}
.service:hover {
  background: var(--ink-2);
}
.service-num {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--accent);
}
.service h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 24px;
  margin: 0;
  color: var(--paper);
  letter-spacing: 0;
}
.service p {
  margin: 0;
  color: #b7bcc0;
  font-size: 15px;
  line-height: 1.6;
}
.service-cta {
  background: linear-gradient(150deg, var(--accent-2) 0%, #002d18 100%);
}
.service-cta h3 { color: var(--paper); }
.service-cta p { color: #c8e8d6; }
.service-cta .btn {
  margin-top: 8px;
  align-self: flex-start;
}

/* --- programme --- */
.programme {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.programme-wrap {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.programme-meta { position: sticky; top: 100px; }
.programme-lede {
  margin: 24px 0 28px;
  font-size: 17px;
  color: var(--ink-2);
  max-width: 460px;
}
.btn-dark {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn-dark:hover { background: var(--ink-2); color: var(--paper); }

.programme-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.pcard {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.pcard::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  opacity: 0;
  transition: opacity .2s ease;
}
.pcard:hover {
  transform: translateY(-3px);
  border-color: var(--ink);
  box-shadow: 0 24px 36px -28px rgba(13, 20, 24, 0.35);
}
.pcard:hover::before { opacity: 1; }
.pcard-tag {
  align-self: flex-start;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(0, 196, 106, 0.12);
  padding: 5px 10px;
  border-radius: 999px;
  font-weight: 600;
}
.pcard h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 21px;
  margin: 4px 0 0;
  color: var(--ink);
}
.pcard p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.6;
}

/* --- principles --- */
.principles { background: var(--paper); }
.principle-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}
.principle {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.principle:hover {
  transform: translateY(-4px);
  border-color: var(--ink);
  box-shadow: 0 24px 40px -28px rgba(13, 20, 24, 0.35);
}
.principle-tick {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: var(--ink);
  border-radius: 50%;
  font-weight: 700;
  font-size: 16px;
}
.principle h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  margin: 0;
}
.principle p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.6;
}

/* --- contact --- */
.contact { background: var(--paper); }
.contact-grid { align-items: stretch; }
.contact-lede {
  font-size: 17px;
  color: var(--ink-2);
  margin: 24px 0 32px;
  max-width: 440px;
}
.contact-list {
  list-style: none;
  margin: 0 0 32px;
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.contact-list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  align-items: baseline;
  font-size: 15.5px;
}
.contact-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact-list a:hover { color: var(--accent-2); text-decoration: underline; }

.socials {
  display: flex;
  gap: 10px;
}
.socials a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: background .2s ease;
}
.socials a:hover { background: var(--accent-2); }

.contact-form {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.field input,
.field select,
.field textarea {
  font: inherit;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  transition: border-color .2s ease, background .2s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink);
  background: var(--paper-2);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note {
  margin: 0;
  font-size: 13px;
  color: var(--accent-2);
  text-align: center;
}
.form-note.is-error { color: #c63031; }
.contact-form .hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.contact-form button[disabled] { opacity: 0.7; cursor: progress; }

/* --- footer --- */
.site-footer {
  background: var(--ink);
  color: #b7bcc0;
  padding: 48px 0 36px;
}
.footer-wrap {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  align-items: center;
  gap: 24px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.footer-brand .brand-mark { background: var(--paper); color: var(--ink); }
.footer-brand strong {
  display: block;
  color: var(--paper);
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.footer-brand span {
  font-size: 12.5px;
  color: #9aa1a6;
}
.footer-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: 13px;
  font-weight: 500;
}
.footer-nav a:hover { color: var(--accent); }
.footer-meta {
  margin: 0;
  text-align: right;
  font-size: 12.5px;
  color: #777e83;
}

/* --- reveal on scroll --- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .line-down { animation: none; }
  html { scroll-behavior: auto; }
}

/* --- responsive --- */
@media (max-width: 960px) {
  .nav, .header-cta { display: none; }
  .menu-toggle { display: flex; }
  .menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.is-open span:nth-child(2) { opacity: 0; }
  .menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .mobile-nav-open .nav {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px var(--pad) 20px;
  }
  .mobile-nav-open .nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }
  .mobile-nav-open .nav a:last-child { border-bottom: 0; }

  .grid-2 { grid-template-columns: 1fr; }
  .about-meta { position: static; }
  .portrait { max-width: 280px; margin-top: 24px; }
  .programme-wrap { grid-template-columns: 1fr; }
  .programme-meta { position: static; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .programme-cards { grid-template-columns: repeat(2, 1fr); }
  .principle-grid { grid-template-columns: repeat(2, 1fr); }
  .services { background-attachment: scroll; }
  .footer-wrap { grid-template-columns: 1fr; text-align: center; }
  .footer-brand, .footer-nav { justify-content: center; }
  .footer-meta { text-align: center; }
  .hero-scroll { display: none; }
}

@media (max-width: 560px) {
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .service-grid { grid-template-columns: 1fr; }
  .programme-cards { grid-template-columns: 1fr; }
  .principle-grid { grid-template-columns: 1fr; }
  .contact-list li { grid-template-columns: 1fr; gap: 2px; }
  .contact-form { padding: 24px; }
}