/* ============================================================
   Deutsche Sachwerte Union — Design Tokens & Components
   Maritime corporate palette: deep navy, petrol/teal, off-white,
   discreet gold/sand accents.
   ============================================================ */

:root {
  /* Type scale (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.85rem);
  --text-sm: clamp(0.85rem, 0.8rem + 0.3vw, 0.95rem);
  --text-base: clamp(1rem, 0.96rem + 0.25vw, 1.1rem);
  --text-lg: clamp(1.15rem, 1rem + 0.7vw, 1.45rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.3rem + 2.4vw, 3.4rem);
  --text-3xl: clamp(2.6rem, 1.4rem + 4vw, 4.75rem);

  /* Spacing (4px system) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Content widths */
  --content-narrow: 680px;
  --content-default: 1000px;
  --content-wide: 1200px;

  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Fonts */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Plus Jakarta Sans', 'Helvetica Neue', Arial, sans-serif;

  /* ---- LIGHT MODE (off-white, hanseatic) ---- */
  --color-bg: #f5f3ec;
  --color-surface: #fbfaf5;
  --color-surface-2: #ffffff;
  --color-surface-deep: #102733; /* deep navy panels */
  --color-border: #ddd8cb;
  --color-divider: #e6e1d6;

  --color-text: #14222b;
  --color-text-muted: #4f6068;
  --color-text-faint: #8a949a;
  --color-text-inverse: #eef4f4;

  --color-navy: #0d212c;
  --color-navy-2: #14313f;
  --color-primary: #0f5560; /* deep petrol */
  --color-primary-hover: #0b424b;
  --color-petrol: #19788a;

  --color-accent: #c5a253; /* gold / sand */
  --color-accent-hover: #b18d3c;
  --color-accent-soft: #e6d8b3;

  --shadow-sm: 0 1px 2px rgba(13, 33, 44, 0.06);
  --shadow-md: 0 6px 22px rgba(13, 33, 44, 0.1);
  --shadow-lg: 0 22px 60px rgba(13, 33, 44, 0.16);

  /* Hero tokens (always dark, regardless of theme) */
  --hero-ink: #eef4f4;
  --hero-ink-muted: #9fb6bd;
}

[data-theme='dark'] {
  --color-bg: #0a1820;
  --color-surface: #0f222c;
  --color-surface-2: #14303c;
  --color-surface-deep: #0c1e27;
  --color-border: #1f3b46;
  --color-divider: #18333e;

  --color-text: #e3ebec;
  --color-text-muted: #9fb2b8;
  --color-text-faint: #6b818a;
  --color-text-inverse: #eef4f4;

  --color-navy: #081218;
  --color-navy-2: #0e2531;
  --color-primary: #3fa3b0;
  --color-primary-hover: #5bb6c1;
  --color-petrol: #4aa9ba;

  --color-accent: #d4b56a;
  --color-accent-hover: #e0c585;
  --color-accent-soft: #3a3823;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 22px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 22px 60px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0a1820;
    --color-surface: #0f222c;
    --color-surface-2: #14303c;
    --color-surface-deep: #0c1e27;
    --color-border: #1f3b46;
    --color-divider: #18333e;
    --color-text: #e3ebec;
    --color-text-muted: #9fb2b8;
    --color-text-faint: #6b818a;
    --color-navy: #081218;
    --color-navy-2: #0e2531;
    --color-primary: #3fa3b0;
    --color-primary-hover: #5bb6c1;
    --color-petrol: #4aa9ba;
    --color-accent: #d4b56a;
    --color-accent-hover: #e0c585;
    --color-accent-soft: #3a3823;
  }
}

/* ============================================================
   Layout primitives
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-16));
}
.container--narrow {
  max-width: var(--content-narrow);
}
.container--default {
  max-width: var(--content-default);
}

section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--color-accent);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-2xl);
  line-height: 1.08;
  color: var(--color-text);
  max-width: 20ch;
}
.lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 62ch;
  line-height: 1.55;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  min-height: 46px;
}
.btn svg {
  width: 17px;
  height: 17px;
}
.btn--primary {
  background: var(--color-accent);
  color: #14202b;
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn--primary:active {
  transform: translateY(0);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}
.btn--on-dark {
  color: var(--hero-ink);
  border-color: rgba(238, 244, 244, 0.28);
}
.btn--on-dark:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(238, 244, 244, 0.04);
}

/* ============================================================
   Header
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 86%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.header--scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-sm);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 76px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.brand__mark {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand__name {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}
.brand__name strong {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}
.brand__name span {
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  font-weight: 600;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}
.nav__links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  position: relative;
  padding-block: var(--space-2);
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width var(--transition-interactive);
}
.nav__links a:hover {
  color: var(--color-text);
}
.nav__links a:hover::after {
  width: 100%;
}
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--color-text);
  border-radius: var(--radius-md);
}
.nav-toggle svg {
  width: 24px;
  height: 24px;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: min(92vh, 860px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-navy);
  padding-block: clamp(var(--space-20), 14vh, var(--space-32));
  isolation: isolate;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}
/* readability overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 18% 30%, rgba(13, 33, 44, 0.55) 0%, rgba(13, 33, 44, 0.1) 55%, transparent 80%),
    linear-gradient(180deg, rgba(8, 18, 24, 0.5) 0%, rgba(8, 18, 24, 0.15) 40%, rgba(8, 18, 24, 0.78) 100%);
}
.hero__content {
  max-width: 44rem;
}
.hero .eyebrow {
  color: var(--color-accent);
}
.hero .eyebrow::before {
  background: var(--color-accent);
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-3xl);
  line-height: 1.02;
  color: var(--hero-ink);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}
.hero__title em {
  font-style: italic;
  color: var(--color-accent);
}
.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--hero-ink-muted);
  line-height: 1.55;
  max-width: 40rem;
  margin-bottom: var(--space-10);
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--hero-ink-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 1;
}
.hero__scroll span {
  width: 1px;
  height: 38px;
  background: linear-gradient(var(--color-accent), transparent);
  animation: scrollPulse 2.4s var(--ease-out) infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================================
   Project section
   ============================================================ */
.project {
  background: var(--color-bg);
}
.project__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-24));
  align-items: center;
}
.project__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow-lg);
  background: var(--color-navy);
}
.project__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.project__media-tag {
  position: absolute;
  bottom: var(--space-5);
  left: var(--space-5);
  right: var(--space-5);
  color: var(--hero-ink);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: rgba(13, 33, 44, 0.5);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(238, 244, 244, 0.14);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
}
.project__body p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-top: var(--space-6);
}
.project__note {
  margin-top: var(--space-8);
  padding-left: var(--space-5);
  border-left: 2px solid var(--color-accent);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}

/* ============================================================
   Cards
   ============================================================ */
.cards {
  background: var(--color-surface-deep);
  color: var(--color-text-inverse);
}
.cards .eyebrow {
  color: var(--color-accent);
}
.cards .eyebrow::before {
  background: var(--color-accent);
}
.cards__head {
  max-width: 38rem;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.cards__head .section-title {
  color: var(--hero-ink);
}
.cards__head p {
  color: var(--hero-ink-muted);
  margin-top: var(--space-5);
}
.cards__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.card {
  background: rgba(238, 244, 244, 0.035);
  border: 1px solid rgba(238, 244, 244, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive), background var(--transition-interactive);
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(197, 162, 83, 0.5);
  background: rgba(238, 244, 244, 0.06);
}
.card__icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: rgba(197, 162, 83, 0.12);
  color: var(--color-accent);
}
.card__icon svg {
  width: 28px;
  height: 28px;
}
.card__num {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-accent);
  letter-spacing: 0.1em;
}
.card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  color: var(--hero-ink);
}
.card p {
  color: var(--hero-ink-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ============================================================
   Founders
   ============================================================ */
.founders {
  background: var(--color-bg);
}
.founders__head {
  max-width: 44rem;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.founders__head p {
  margin-top: var(--space-6);
}
.founders__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}
.founder {
  display: flex;
  gap: var(--space-6);
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}
.founder:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.founder__initials {
  flex-shrink: 0;
  width: 84px;
  height: 84px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: var(--color-navy);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.7rem;
  letter-spacing: 0.02em;
  border: 1px solid rgba(197, 162, 83, 0.4);
}
.founder h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
}
.founder p {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: var(--space-1);
}

/* ============================================================
   Maritime story
   ============================================================ */
.story {
  position: relative;
  background: var(--color-navy-2);
  color: var(--color-text-inverse);
  overflow: hidden;
}
.story__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
}
.story__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.story::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(100deg, rgba(8, 18, 24, 0.94) 0%, rgba(8, 18, 24, 0.7) 50%, rgba(8, 18, 24, 0.35) 100%);
}
.story .container {
  position: relative;
  z-index: 2;
}
.story .eyebrow {
  color: var(--color-accent);
}
.story .eyebrow::before {
  background: var(--color-accent);
}
.story__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-2xl);
  line-height: 1.1;
  color: var(--hero-ink);
  max-width: 22ch;
  margin-bottom: var(--space-8);
}
.story__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  max-width: 58rem;
}
.story__cols p {
  color: var(--hero-ink-muted);
  font-size: var(--text-base);
  line-height: 1.7;
}

/* ============================================================
   Register / Form
   ============================================================ */
.register {
  background: var(--color-bg);
}
.register__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}
.register__intro p {
  margin-top: var(--space-6);
  color: var(--color-text-muted);
}
.register__trust {
  margin-top: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.register__trust li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  list-style: none;
}
.register__trust svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.form-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 4vw, var(--space-12));
  box-shadow: var(--shadow-md);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.field label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}
.field label .req {
  color: var(--color-accent-hover);
}
.field input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
}
.field input::placeholder {
  color: var(--color-text-faint);
}
.field input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 18%, transparent);
}
.field input:user-invalid {
  border-color: var(--color-accent-hover);
}
.checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin: var(--space-6) 0;
}
.checkbox input {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}
.checkbox label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.form-card .btn--primary {
  width: 100%;
}
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-5);
  padding: var(--space-8) var(--space-4);
}
.form-success.is-visible {
  display: flex;
  animation: successIn 500ms var(--ease-out) both;
}
@keyframes successIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}
.form-success__icon {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-primary) 14%, transparent);
  color: var(--color-primary);
}
.form-success__icon svg {
  width: 38px;
  height: 38px;
}
.form-success h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
}
.form-success p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 38ch;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--color-navy);
  color: var(--hero-ink-muted);
  padding-block: clamp(var(--space-16), 6vw, var(--space-20)) var(--space-10);
}
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(238, 244, 244, 0.12);
}
.footer .brand__name strong {
  color: var(--hero-ink);
}
.footer .brand__mark {
  color: var(--color-accent);
}
.footer__about {
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  line-height: 1.6;
  max-width: 36ch;
}
.footer__col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}
.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer__col a {
  color: var(--hero-ink-muted);
  text-decoration: none;
  font-size: var(--text-sm);
}
.footer__col a:hover {
  color: var(--color-accent);
}
.footer__disclaimer {
  margin-top: var(--space-10);
  font-size: var(--text-xs);
  line-height: 1.65;
  color: var(--color-text-faint);
  max-width: 80ch;
}
.footer__bottom {
  margin-top: var(--space-8);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============================================================
   Mobile navigation drawer
   ============================================================ */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: var(--color-navy);
  display: flex;
  flex-direction: column;
  padding: var(--space-6) clamp(var(--space-5), 6vw, var(--space-10));
  transform: translateX(100%);
  transition: transform 320ms var(--ease-out);
  visibility: hidden;
}
.mobile-nav.is-open {
  transform: translateX(0);
  visibility: visible;
}
.mobile-nav__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mobile-nav__head .brand__name strong,
.mobile-nav__head .brand__name {
  color: var(--hero-ink);
}
.mobile-nav__close {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--hero-ink);
}
.mobile-nav__close svg {
  width: 26px;
  height: 26px;
}
.mobile-nav ul {
  list-style: none;
  margin-top: var(--space-12);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.mobile-nav ul a {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.7rem;
  color: var(--hero-ink);
  text-decoration: none;
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(238, 244, 244, 0.1);
}
.mobile-nav ul a:hover {
  color: var(--color-accent);
}
.mobile-nav__cta {
  margin-top: auto;
  padding-top: var(--space-8);
}
.mobile-nav__cta .btn {
  width: 100%;
}

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal {
  opacity: 1;
}
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 720ms var(--ease-out), transform 720ms var(--ease-out);
  }
  .reveal.is-in {
    opacity: 1;
    transform: none;
  }
  .reveal[data-delay='1'] { transition-delay: 90ms; }
  .reveal[data-delay='2'] { transition-delay: 180ms; }
  .reveal[data-delay='3'] { transition-delay: 270ms; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .project__grid,
  .register__grid,
  .story__cols {
    grid-template-columns: 1fr;
  }
  .project__media {
    aspect-ratio: 16 / 11;
    max-height: 420px;
  }
  .cards__grid {
    grid-template-columns: 1fr;
  }
  .footer__top {
    grid-template-columns: 1fr 1fr;
  }
  .footer__about-col {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .nav__links,
  .header__actions .btn,
  .brand__name span {
    display: none;
  }
  .nav-toggle {
    display: grid;
  }
  .founders__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .footer__top {
    grid-template-columns: 1fr;
  }
  .hero__cta {
    flex-direction: column;
    align-items: stretch;
  }
  .hero__cta .btn {
    width: 100%;
  }
  .founder {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

@media (hover: none) {
  .btn--primary:hover,
  .card:hover,
  .founder:hover {
    transform: none;
  }
}
/* ============================================================
   Logo
   ============================================================ */
.brand__logo {
  display: block;
  height: 56px;
  width: auto;
  max-width: 260px;
}

.brand__logo--mobile {
  height: 42px;
  max-width: 200px;
}