/* ===========================================================
   NetWise — design tokens + components
   Art direction: warm paper, royal blue brand accent, editorial serif display.
   =========================================================== */

:root,
[data-theme='light'] {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);

  /* Spacing */
  --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;

  /* Surfaces — warm paper */
  --color-bg: #faf6f0;
  --color-surface: #fffdfa;
  --color-surface-2: #f5efe6;
  --color-surface-offset: #efe7db;
  --color-divider: #e6dbcb;
  --color-border: #dccfbc;

  /* Text — warm ink */
  --color-text: #2a2320;
  --color-text-muted: #6b6058;
  --color-text-faint: #a2968a;
  --color-text-inverse: #faf6f0;

  /* Accent — royal blue (brand) */
  --color-primary: #1b3fd1;
  --color-primary-hover: #142f9e;
  --color-primary-active: #0f2374;
  --color-primary-highlight: #e2e7fb;

  /* Deep ink panel (used for inverted sections) — brand navy */
  --color-ink: #06034a;
  --color-ink-text: #eef0fb;
  --color-ink-muted: #a6addd;
  --color-ink-border: #24225f;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.25 0.02 60 / 0.07);
  --shadow-md: 0 4px 14px oklch(0.25 0.02 60 / 0.09);
  --shadow-lg: 0 14px 36px oklch(0.25 0.02 60 / 0.14);

  --content-narrow: 660px;
  --content-default: 980px;
  --content-wide: 1240px;

  --font-display: 'Zodiak', Georgia, 'Times New Roman', serif;
  --font-body: 'Satoshi', 'Helvetica Neue', Arial, sans-serif;
}

[data-theme='dark'] {
  --color-bg: #0b0c1e;
  --color-surface: #12142c;
  --color-surface-2: #171a36;
  --color-surface-offset: #1b1e40;
  --color-divider: #242759;
  --color-border: #2e3169;

  --color-text: #e6e8f7;
  --color-text-muted: #a7acd9;
  --color-text-faint: #6d72a8;
  --color-text-inverse: #171a36;

  --color-primary: #6f8cfa;
  --color-primary-hover: #8ba3fb;
  --color-primary-active: #a7bafc;
  --color-primary-highlight: #1d2154;

  --color-ink: #030127;
  --color-ink-text: #eef0fb;
  --color-ink-muted: #9aa1d9;
  --color-ink-border: #1c1a4a;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 14px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 14px 36px oklch(0 0 0 / 0.5);
}

/* Note: theme no longer auto-follows system prefers-color-scheme.
   Site always defaults to the light palette (see :root above) unless
   the visitor explicitly toggles dark mode via app.js, which then
   persists their choice in localStorage. */

/* ---------- Layout primitives ---------- */

.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}
.wrap--default {
  max-width: var(--content-default);
}
.wrap--narrow {
  max-width: var(--content-narrow);
}

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
.section--tight {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
.section--offset {
  background: var(--color-surface-2);
}
.section--ink {
  background: var(--color-ink);
  color: var(--color-ink-text);
}
.section--ink .eyebrow {
  color: var(--color-ink-muted);
}
.section--ink p {
  color: var(--color-ink-muted);
}

/* ---------- Type ---------- */

.eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.display {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.04;
}
.h-page {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.08;
}
.h-section {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.h-sub {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.005em;
}

.lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 46ch;
  font-weight: 300;
}
.section--ink .lede {
  color: var(--color-ink-muted);
}
.muted {
  color: var(--color-text-muted);
}

/* ---------- Buttons & links ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 46px;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--color-primary);
  color: #fffdfa;
}
[data-theme='dark'] .btn--primary {
  color: #1a1512;
}
.btn--primary:hover {
  background: var(--color-primary-hover);
}
.btn--ghost {
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.section--ink .btn--ghost {
  border-color: var(--color-ink-border);
  color: var(--color-ink-text);
}
.section--ink .btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
}
.arrow-link svg {
  transition: transform var(--transition-interactive);
}
.arrow-link:hover svg {
  transform: translateX(4px);
}

/* ---------- Header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.88);
  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);
}
.header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  min-height: 74px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  margin-right: auto;
}
.brand__logo {
  display: inline-flex;
  align-items: center;
}
.brand__logo-img {
  height: 44px;
  width: auto;
  display: block;
}
.brand__logo-img--light {
  display: none;
}
[data-theme='dark'] .header .brand__logo-img--color {
  display: none;
}
[data-theme='dark'] .header .brand__logo-img--light {
  display: block;
}
.brand__logo-img--static {
  display: block;
  height: 38px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav a {
  font-size: var(--text-sm);
  text-decoration: none;
  color: var(--color-text-muted);
  padding-block: var(--space-2);
}
.nav a:hover {
  color: var(--color-text);
}
.nav a[aria-current='page'] {
  color: var(--color-text);
  box-shadow: inset 0 -1px 0 var(--color-primary);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.icon-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-faint);
}

.nav-toggle {
  display: none;
}

.nav__cta {
  display: none;
}

@media (max-width: 900px) {
  .nav {
    position: fixed;
    inset: 74px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-4) clamp(var(--space-5), 5vw, var(--space-12)) var(--space-8);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 200ms ease,
      transform 200ms ease,
      visibility 200ms;
  }
  .nav[data-open='true'] {
    opacity: 1;
    transform: none;
    visibility: visible;
  }
  .nav a {
    padding-block: var(--space-4);
    border-bottom: 1px solid var(--color-divider);
    font-size: var(--text-base);
  }
  .nav__cta {
    display: inline-flex;
    margin-top: var(--space-5);
    align-self: flex-start;
    border-bottom: 0;
  }
  .nav__cta:hover {
    border-bottom: 0;
  }
  .nav-toggle {
    display: inline-grid;
  }
  .header__cta {
    display: none;
  }
}

/* ---------- Hero ---------- */

.hero {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24)) 0;
}
.hero__grid {
  display: grid;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: end;
}
@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}
.hero__title em {
  font-style: italic;
  color: var(--color-primary);
}
.hero__body {
  margin-top: var(--space-8);
  display: grid;
  gap: var(--space-6);
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.hero__figure {
  margin-top: clamp(var(--space-10), 6vw, var(--space-16));
  position: relative;
}
.hero__figure img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* full-bleed image band */
.bleed {
  position: relative;
}
.bleed img {
  width: 100%;
  height: clamp(260px, 42vw, 520px);
  object-fit: cover;
}

/* ---------- Editorial two-column ---------- */

.split {
  display: grid;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
@media (min-width: 880px) {
  .split {
    grid-template-columns: 1fr 1fr;
  }
  .split--reverse > :first-child {
    order: 2;
  }
  .split--wide-text {
    grid-template-columns: 1.2fr 0.8fr;
  }
}
.split img {
  border-radius: var(--radius-lg);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}
.stack {
  display: grid;
  gap: var(--space-5);
}
.stack--tight {
  gap: var(--space-3);
}

/* ---------- Cards ---------- */

.grid-cards {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}
@media (min-width: 720px) {
  .grid-cards--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Section intro block — sized in rem so display type keeps a sane measure */
.intro {
  max-width: min(100%, 44rem);
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.intro .lede,
.intro p {
  max-width: 52ch;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-8));
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.section--offset .card {
  background: var(--color-surface);
}
.card__num {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: 0.08em;
}
.card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.005em;
}
.card p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin: 0;
}
.card__list {
  list-style: none;
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-2);
}
.card__list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-5);
  position: relative;
}
.card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 1px;
  background: var(--color-primary);
}

/* Feature card — same footprint, warmer surface for emphasis */
.card--feature {
  background: var(--color-primary-highlight);
  border-color: transparent;
}

/* ---------- Pull quote ---------- */

.pullquote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.28;
  letter-spacing: -0.01em;
  max-width: 30ch;
  border-left: 2px solid var(--color-primary);
  padding-left: clamp(var(--space-5), 3vw, var(--space-8));
}
.pullquote footer {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-top: var(--space-5);
}

/* ---------- Numbered process ---------- */

.steps {
  display: grid;
  gap: var(--space-8);
  counter-reset: step;
  list-style: none;
}
@media (min-width: 760px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(var(--space-8), 4vw, var(--space-16));
  }
}
.steps li {
  display: grid;
  gap: var(--space-3);
  max-width: none;
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
}
.section--ink .steps li {
  border-top-color: var(--color-ink-border);
}
.steps li::before {
  counter-increment: step;
  content: '0' counter(step);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: 0.08em;
}
.steps h3 {
  font-size: var(--text-lg);
  font-weight: 700;
}
.steps p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin: 0;
}
.section--ink .steps p {
  color: var(--color-ink-muted);
}

/* ---------- Contrast list (what we are / aren't) ---------- */

.contrast {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 780px) {
  .contrast {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}
.contrast__col {
  padding: clamp(var(--space-6), 3vw, var(--space-8));
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.contrast__col--yes {
  background: var(--color-surface);
}
.contrast__col--no {
  background: transparent;
  border-style: dashed;
}
.contrast__col h3 {
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: var(--space-5);
}
.contrast__col--yes h3 {
  color: var(--color-primary);
}
.contrast__col--no h3 {
  color: var(--color-text-faint);
}
.contrast ul {
  list-style: none;
  display: grid;
  gap: var(--space-4);
}
.contrast li {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: var(--space-3);
  max-width: none;
}
.contrast__col--yes li {
  color: var(--color-text);
}
.contrast li span {
  color: var(--color-text-faint);
  line-height: 1.5;
}
.contrast__col--yes li span {
  color: var(--color-primary);
}

/* ---------- Facts strip ---------- */

.facts {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
}
.facts div {
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
}
.section--ink .facts div {
  border-top-color: var(--color-ink-border);
}
.facts dt {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.section--ink .facts dt {
  color: var(--color-ink-muted);
}
.facts dd {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.25;
}

/* ---------- Milestone (anniversary) ---------- */

.milestone {
  display: grid;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: center;
}
@media (min-width: 860px) {
  .milestone {
    grid-template-columns: minmax(200px, 260px) 1fr;
  }
}
.milestone__figure {
  display: grid;
  gap: var(--space-2);
  justify-items: start;
}
.milestone__number {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 4rem + 4vw, 7.5rem);
  line-height: 0.9;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}
.milestone__label {
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.milestone__label strong {
  display: block;
  color: var(--color-text);
  font-weight: 600;
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
}
@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr 0.85fr;
  }
}
.field {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.field label {
  font-size: var(--text-sm);
  font-weight: 500;
}
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  min-height: 46px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}
.field textarea {
  min-height: 130px;
  resize: vertical;
}
.field-row {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 620px) {
  .field-row {
    grid-template-columns: 1fr 1fr;
  }
}
.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
}
.form-status {
  margin-top: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-text);
  font-size: var(--text-sm);
  display: none;
}
.form-status[data-visible='true'] {
  display: block;
}

.info-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-8));
  display: grid;
  gap: var(--space-6);
  align-content: start;
}
.info-card h3 {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  font-weight: 500;
  margin-bottom: var(--space-2);
}
.info-card a {
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-lg);
  font-family: var(--font-display);
}
.info-card a:hover {
  color: var(--color-primary);
}
.info-card address {
  font-style: normal;
  color: var(--color-text-muted);
}

/* ---------- CTA band ---------- */

.cta-band {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 860px) {
  .cta-band {
    grid-template-columns: 1.2fr auto;
  }
}

/* ---------- Footer ---------- */

.footer {
  background: var(--color-ink);
  color: var(--color-ink-text);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-8);
}
.footer__grid {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-ink-border);
}
.footer .brand {
  color: var(--color-ink-text);
  margin-right: 0;
}
.footer h3 {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  font-weight: 500;
  margin-bottom: var(--space-4);
}
.footer ul {
  list-style: none;
  display: grid;
  gap: var(--space-3);
}
.footer a {
  color: var(--color-ink-text);
  text-decoration: none;
  font-size: var(--text-sm);
}
.footer a:hover {
  color: var(--color-primary);
}
.footer address {
  font-style: normal;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.7;
}
.footer__bottom {
  padding-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- Page header (interior pages) ---------- */

.page-head {
  padding-block: clamp(var(--space-12), 7vw, var(--space-24)) clamp(var(--space-8), 4vw, var(--space-12));
}
.page-head__grid {
  display: grid;
  gap: clamp(var(--space-6), 4vw, var(--space-12));
}
@media (min-width: 900px) {
  .page-head__grid {
    grid-template-columns: 1fr 0.8fr;
    align-items: end;
  }
}

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal[data-shown='true'] {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: #fffdfa;
  border-radius: var(--radius-sm);
  z-index: 100;
  transform: translateY(-200%);
}
.skip-link:focus {
  transform: none;
}

.divider {
  height: 1px;
  background: var(--color-divider);
  border: 0;
}