/* ── Tokens ─────────────────────────────────────────── */
:root {
  --black:    #141414;
  --lichen:   #f0f5f1;
  --teal:     #b0bd80;
  --teal-dk:  #1e4f41;
  --sand:     #ecbe49;
  --white:    #ffffff;
  --offwhite: #f6f6f3;
  --border:   #e4e2dc;
  --muted:    #5a5857;
  --max-w:    1140px;
  --f-head:   'Oswald', sans-serif;
  --f-body:   'Inter', sans-serif;
}

/* ── Reset ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--f-body); color: var(--black); background: var(--white); line-height: 1.7; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ── Layout ─────────────────────────────────────────── */
.wrap     { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.section  { padding: 6rem 0; }
.section--off { background: var(--offwhite); }

/* ── Type ───────────────────────────────────────────── */
.eyebrow {
  display: block;
  font-family: var(--f-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}
h2 {
  font-family: var(--f-head);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin-bottom: 1.5rem;
}
h3 {
  font-family: var(--f-head);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
p { color: var(--muted); max-width: 62ch; line-height: 1.8; }
p + p { margin-top: 1rem; }

/* ── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--f-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
}
.btn--teal    { background: var(--teal);  color: var(--white); border-color: var(--teal); }
.btn--teal:hover { background: var(--teal-dk); border-color: var(--teal-dk); }
.btn--outline { background: transparent; color: var(--black); border-color: var(--black); }
.btn--outline:hover { background: var(--black); color: var(--white); }

/* ── Nav ────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--lichen);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.nav.scrolled { border-color: var(--border); }
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 1.5rem;
}
.nav__logo {
  font-family: var(--f-head);
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--black);
  flex-shrink: 0;
}
.nav__logo span { color: var(--teal); }
.nav__links {
  display: none;
  list-style: none;
  gap: 2.5rem;
  flex: 1;
}
@media (min-width: 640px) { .nav__links { display: flex; } }
.nav__links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition: color 0.15s;
}
.nav__links a:hover { color: var(--black); }

/* ── Hamburger ──────────────────────────────────────── */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 16px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}
.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--black);
  transition: transform 0.2s, opacity 0.2s;
  transform-origin: center;
}
.nav--open .nav__hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav--open .nav__hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav--open .nav__hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 640px) { .nav__hamburger { display: none; } }

/* ── Mobile menu ────────────────────────────────────── */
.nav__cta        { display: none; }
.nav__lang-desktop { display: none; }
@media (min-width: 640px) {
  .nav__cta          { display: inline-block; }
  .nav__lang-desktop { display: flex; }
}
.nav__mobile {
  display: none;
  border-top: 1px solid var(--border);
  padding-bottom: 1.5rem;
}
.nav--open .nav__mobile { display: block; }
@media (min-width: 640px) { .nav__mobile { display: none !important; } }
.nav__mobile ul { list-style: none; }
.nav__mobile ul li { border-bottom: 1px solid var(--border); }
.nav__mobile ul a {
  display: block;
  padding: 1rem 0;
  font-family: var(--f-head);
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--black);
  transition: color 0.15s;
}
.nav__mobile ul a:hover { color: var(--teal); }
.nav__mobile-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  margin-top: 0.5rem;
}

/* ── Language switcher ──────────────────────────────── */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--f-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.lang-switch a { color: var(--muted); transition: color 0.15s; }
.lang-switch a:hover { color: var(--black); }
.lang-switch__current { color: var(--teal) !important; }
.lang-switch__sep { color: var(--border); }

/* ── Auth header (login / register pages) ───────────── */
.auth-header {
  padding: 0 0;
  border-bottom: 1px solid var(--border);
  background: var(--white);
}
.auth-header .wrap {
  display: flex;
  align-items: center;
  height: 64px;
}

/* ── Hero ───────────────────────────────────────────── */
.hero { padding: 10rem 0 5rem; }
.hero__label {
  font-family: var(--f-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--f-head);
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
  max-width: 12ch;
}
.hero h1 em { font-style: normal; color: var(--teal); }
.hero__sub {
  font-size: 1.05rem;
  max-width: 48ch;
  color: var(--muted);
  margin-bottom: 2.5rem;
  line-height: 1.75;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__signup { margin-top: 3rem; max-width: 100%; }
.hero__signup-label {
  font-family: var(--f-head);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 1rem;
  max-width: none;
}
.subscribe-form { width: 100%; }
.subscribe-form__fields {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.subscribe-form__input {
  width: 100%;
  padding: 0.875rem 1.125rem;
  border: 2px solid rgba(0,0,0,0.15);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--white);
  color: var(--black);
}
.subscribe-form__input:focus { outline: none; border-color: var(--teal); }
.subscribe-form .btn--teal { background: var(--black); color: var(--white); width: 100%; justify-content: center; }
.subscribe-form .btn--teal:hover { background: #333; }
.subscribe-form__msg { font-size: 0.95rem; padding: 0.5rem 0; }
.subscribe-form__msg--success { color: var(--teal); font-weight: 500; }
.subscribe-form__msg--error   { color: var(--red); }

/* ── CGI watermark ──────────────────────────────────── */
.img-cgi { position: relative; display: block; overflow: hidden; }
.img-cgi--full { width: 100%; }
.img-cgi--stretch { height: 100%; }
.lang-en .img-cgi::after { content: 'CGI \2014  our vision for the space'; }
.lang-cy .img-cgi::after { content: 'CGI \2014  ein gweledigaeth ar gyfer y gofod'; }
.img-cgi::after {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 0.5rem 1.25rem;
  background: rgba(0,0,0,0.45);
  color: rgba(255,255,255,0.85);
  font-family: var(--f-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
}

/* ── Hero photo ─────────────────────────────────────── */
.hero-photo {
  width: 100%;
  height: clamp(280px, 45vw, 560px);
  object-fit: cover;
  object-position: center 40%;
  display: block;
}

/* ── Stats ──────────────────────────────────────────── */
.stats { background: var(--black); padding: 2.5rem 0; }
.stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: rgba(255,255,255,0.1);
}
.stats__item { background: var(--black); padding: 1.5rem 2rem; text-align: center; }
.stats__item strong {
  display: block;
  font-family: var(--f-head);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.stats__item span {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* ── Mission ────────────────────────────────────────── */
.mission__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}
@media (min-width: 768px) { .mission__grid { grid-template-columns: 1fr 1fr; } }
.mission__photo { width: 100%; height: 480px; object-fit: cover; }
.mission__pillars {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
}
.pillar {
  padding: 1.25rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.pillar:nth-child(even) { border-right: none; }
.pillar:nth-child(3), .pillar:nth-child(4) { border-bottom: none; }
.pillar h3 { font-size: 0.75rem; color: var(--black); margin-bottom: 0.35rem; }
.pillar p  { font-size: 0.82rem; color: var(--muted); max-width: none; line-height: 1.6; }

/* ── Plan ───────────────────────────────────────────── */
.plan__intro { margin-bottom: 3.5rem; }
.plan__intro p { font-size: 1.05rem; }
.plan__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0;
  border: 1px solid var(--border);
  margin-bottom: 2.5rem;
  background: var(--border);
}
.step { background: var(--white); padding: 2rem 1.75rem; }
.step__num {
  font-family: var(--f-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--teal);
  margin-bottom: 0.75rem;
}
.step h3 { color: var(--black); margin-bottom: 0.75rem; }
.step p   { font-size: 0.9rem; max-width: none; }
.plan__features {
  border: 1px solid var(--border);
  border-left: none;
  padding: 2.5rem;
  background: var(--white);
}
@media (max-width: 767px) {
  .plan__features { border-left: 1px solid var(--border); border-top: none; }
}
.plan__features h3 {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  letter-spacing: 0.12em;
}
.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.6rem 3rem;
}
.feature-list li {
  font-size: 0.9rem;
  color: var(--muted);
  padding-left: 1.25rem;
  position: relative;
}
.feature-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.6em;
  width: 6px; height: 6px;
  background: var(--teal);
}
.plan__features-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 768px) { .plan__features-wrap { grid-template-columns: 340px 1fr; } }
.plan__features-photo {
  width: 100%; height: 100%; min-height: 320px;
  object-fit: cover; object-position: center top; display: block;
}

/* ── Adventure Hub ──────────────────────────────────── */
.adv__intro { font-size: 1.05rem; margin-bottom: 3.5rem; }
.adv__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}
.adv__card { border-top: 3px solid var(--teal); padding-top: 1.5rem; }
.adv__card h3 { color: var(--black); margin-bottom: 0.5rem; }
.adv__card p  { font-size: 0.9rem; }
.adv__partners {
  border: 1px solid var(--border);
  padding: 2.5rem;
  margin-bottom: 2.5rem;
}
.adv__partners h3 {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}
.adv__partners-intro { font-size: 0.9rem; margin-bottom: 2rem; max-width: none; }
.adv__partner-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.adv__partner-list li {
  padding: 0.85rem 1.5rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-family: var(--f-head);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--black);
}
.adv__cta-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 2.5rem;
  background: var(--offwhite);
  border: 1px solid var(--border);
}
.adv__cta-block p { font-size: 0.95rem; max-width: 56ch; }

/* ── Get Involved ───────────────────────────────────── */
.involved__ways {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-bottom: 5rem;
}
.way { border-top: 3px solid var(--teal); padding-top: 1.5rem; }
.way h3 { color: var(--black); margin-bottom: 0.5rem; }
.way p   { font-size: 0.9rem; }

/* ── Signup ─────────────────────────────────────────── */
.signup { background: var(--teal); padding: 5rem 0; }
.signup .wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}
@media (min-width: 768px) { .signup .wrap { grid-template-columns: 1fr 1fr; } }
.signup__copy h2 { color: var(--white); }
.signup__copy .eyebrow { color: rgba(255,255,255,0.5); }
.signup__copy p { color: rgba(255,255,255,0.7); max-width: none; }
.signup__form { padding-top: 0.25rem; }
.signup__form .subscribe-form__input {
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.15);
  color: var(--white);
}
.signup__form .subscribe-form__input::placeholder { color: rgba(255,255,255,0.65); }
.signup__form .subscribe-form__input:focus { border-color: var(--white); }
.signup__form .subscribe-form__msg--success { color: var(--white); }
.signup__form .subscribe-form__msg--error   { color: #fef08a; }
.signup__form .btn--teal { background: var(--black); color: var(--white); }
.signup__form .btn--teal:hover { background: #333; }

/* ── Footer ─────────────────────────────────────────── */
.footer { background: var(--black); padding: 4rem 0 2rem; }
.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 2rem;
}
.footer__logo {
  font-family: var(--f-head);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.footer__logo span { color: var(--teal); }
.footer__col-p { font-size: 0.85rem; color: rgba(255,255,255,0.4); max-width: none; line-height: 1.6; }
.footer__col h4 {
  font-family: var(--f-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 1rem;
}
.footer__col ul { list-style: none; }
.footer__col ul li + li { margin-top: 0.5rem; }
.footer__col ul a { font-size: 0.875rem; color: rgba(255,255,255,0.55); transition: color 0.15s; }
.footer__col ul a:hover { color: var(--white); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.25);
}

/* ── Login / Auth ───────────────────────────────────── */
.login-page {
  min-height: calc(100vh - 65px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  background: var(--offwhite);
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--white);
  border: 1px solid var(--border);
  padding: 3rem;
}
.login-card h1 {
  font-family: var(--f-head);
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.05;
  color: var(--black);
  margin-bottom: 0.4rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-family: var(--f-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}
.form-control {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--f-body);
  font-size: 0.95rem;
  color: var(--black);
  background: var(--white);
  border: 1px solid var(--border);
  outline: none;
  transition: border-color 0.15s;
  appearance: none;
}
.form-control:focus { border-color: var(--teal); }
.form-actions { margin-top: 1.75rem; }
.form-actions .btn { width: 100%; text-align: center; }
.alert {
  padding: 0.85rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  line-height: 1.5;
  border: 1px solid;
}
.alert--error   { background: #fef2f2; border-color: #fca5a5; color: #b91c1c; }
.alert--success { background: #f0fdf4; border-color: #86efac; color: #15803d; }
.alert--dev     { background: #fefce8; border-color: #fde047; color: #854d0e; font-family: monospace; word-break: break-all; }
.login-footer {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}
.login-footer a { color: var(--teal); }
.login-footer a:hover { text-decoration: underline; }