/* John Bennett & Co. — Pure black + thin serif accent
   Aesthetic: modern tech/AI minimalism with editorial authority */

:root {
  /* 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, 1.5rem + 2vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 1rem + 6vw, 7rem);

  /* 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;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-full: 9999px;

  /* Transition */
  --transition-interactive: 280ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 600ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 1080px;
  --content-wide: 1280px;

  /* Fonts */
  --font-display: 'Instrument Serif', 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', 'Helvetica Neue', -apple-system, sans-serif;

  /* Dark palette (default — site is dark only) */
  --color-bg: #0a0a0b;
  --color-surface: #111114;
  --color-surface-2: #16161a;
  --color-text: #f5f5f4;
  --color-text-muted: #a1a1aa;
  --color-text-faint: #57575b;
  --color-border: #1f1f23;
  --color-border-strong: #2c2c30;
  --color-accent: #c9a96e;
  --color-accent-hover: #d9b97e;
  --color-accent-dim: #8e7849;
  --color-success: #4ade80;
  --color-error: #f87171;
}

[data-theme='dark'] {
  --color-bg: #0a0a0b;
  --color-surface: #111114;
  --color-surface-2: #16161a;
  --color-text: #f5f5f4;
  --color-text-muted: #a1a1aa;
  --color-text-faint: #57575b;
  --color-border: #1f1f23;
  --color-border-strong: #2c2c30;
}

/* Typography utilities */
.serif { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.01em; }
.mono-num { font-variant-numeric: tabular-nums; font-feature-settings: 'tnum'; }

/* ─────────── Layout primitives ─────────── */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-12));
}

.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  position: relative;
}

.section--tight { padding-block: clamp(var(--space-12), 8vw, var(--space-20)); }

/* Section eyebrows */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--color-accent);
  display: inline-block;
}

/* ─────────── Header ─────────── */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-block: var(--space-4);
  background: oklch(from var(--color-bg) l c h / 0.6);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}
.header.scrolled {
  border-bottom-color: var(--color-border);
  background: oklch(from var(--color-bg) l c h / 0.85);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-base);
  letter-spacing: 0.01em;
  color: var(--color-text);
}
.brand__mark { width: 28px; height: 28px; color: var(--color-accent); }
.brand__name { font-weight: 400; }
.brand__name em { color: var(--color-accent); font-style: italic; }

.nav {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}
.nav__link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  position: relative;
  padding-block: var(--space-1);
}
.nav__link:hover { color: var(--color-text); }
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--color-accent);
  transition: right var(--transition-interactive);
}
.nav__link:hover::after { right: 0; }

.nav--mobile { display: none; }
@media (max-width: 720px) {
  .nav:not(.nav--mobile) { display: none; }
  .nav--mobile { display: flex; gap: var(--space-5); }
  .nav--mobile .nav__link { font-size: var(--text-xs); }
  .header__cta { display: none; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-text);
  color: var(--color-bg);
}
.btn--primary:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn--arrow svg {
  transition: transform var(--transition-interactive);
  width: 14px; height: 14px;
}
.btn--arrow:hover svg { transform: translateX(3px); }

/* ─────────── Hero ─────────── */
.hero {
  padding-top: clamp(var(--space-32), 18vw, 12rem);
  padding-bottom: clamp(var(--space-20), 12vw, var(--space-32));
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, oklch(from var(--color-accent) l c h / 0.08), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.hero__inner { position: relative; z-index: 1; }

.hero__eyebrow {
  margin-bottom: var(--space-8);
  animation: fadeUp 0.8s var(--transition-interactive) both;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.025em;
  max-width: 18ch;
  margin-bottom: var(--space-8);
  animation: fadeUp 0.9s var(--transition-interactive) 0.1s both;
}
.hero__title em {
  font-style: italic;
  color: var(--color-accent);
}

.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  line-height: 1.5;
  margin-bottom: var(--space-10);
  animation: fadeUp 1s var(--transition-interactive) 0.2s both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  animation: fadeUp 1.1s var(--transition-interactive) 0.3s both;
}

.hero__meta {
  margin-top: clamp(var(--space-16), 12vw, var(--space-24));
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-8);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border);
}
.hero__meta-item .label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}
.hero__meta-item .value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  line-height: 1.1;
}
.hero__meta-item .value em { color: var(--color-accent); font-style: italic; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─────────── About / Approach ─────────── */
.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(var(--space-10), 8vw, var(--space-24));
  align-items: start;
}
@media (max-width: 860px) {
  .about__grid { grid-template-columns: 1fr; }
}
.about__lead {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--color-text);
  max-width: 18ch;
}
.about__lead em { color: var(--color-accent); font-style: italic; }
.about__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 56ch;
}
.about__body strong { color: var(--color-text); font-weight: 500; }

.pillars {
  margin-top: clamp(var(--space-16), 10vw, var(--space-20));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
@media (max-width: 720px) {
  .pillars { grid-template-columns: 1fr; }
  .pillar { border-right: none !important; border-bottom: 1px solid var(--color-border); }
  .pillar:last-child { border-bottom: none; }
}
.pillar {
  padding: var(--space-10) var(--space-6);
  border-right: 1px solid var(--color-border);
}
.pillar:last-child { border-right: none; }
.pillar__num {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-accent);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
  letter-spacing: 0.02em;
}
.pillar__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.pillar__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ─────────── Services ─────────── */
.services__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  margin-bottom: clamp(var(--space-12), 8vw, var(--space-20));
  align-items: end;
}
@media (max-width: 720px) { .services__head { grid-template-columns: 1fr; } }

.services__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.1;
  letter-spacing: -0.015em;
  max-width: 12ch;
}
.services__title em { color: var(--color-accent); font-style: italic; }

.services__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 50ch;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
@media (max-width: 720px) { .services__grid { grid-template-columns: 1fr; } }

.service {
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  background: var(--color-bg);
  transition: background var(--transition-interactive);
}
.service:nth-child(2n) { border-right: none; }
@media (max-width: 720px) {
  .service { border-right: none; }
}
.service:nth-last-child(-n+2) { border-bottom: none; }
@media (max-width: 720px) {
  .service:not(:last-child) { border-bottom: 1px solid var(--color-border); }
  .service:last-child { border-bottom: none; }
}
.service:hover { background: var(--color-surface); }
.service:hover .service__num { color: var(--color-accent); }

.service__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.service__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  transition: color var(--transition-interactive);
}
.service__price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.service__price em { color: var(--color-accent); font-style: italic; }
.service__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.2;
  max-width: 22ch;
}
.service__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
  max-width: 50ch;
}

/* ─────────── CTA banner ─────────── */
.cta-banner {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, oklch(from var(--color-accent) l c h / 0.07), transparent 50%),
    radial-gradient(ellipse at 80% 50%, oklch(from var(--color-accent) l c h / 0.04), transparent 60%);
  pointer-events: none;
}
.cta-banner__inner {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
}
.cta-banner__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 22ch;
  margin-inline: auto;
}
.cta-banner__title em { color: var(--color-accent); font-style: italic; }
.cta-banner__sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
}

/* ─────────── Footer ─────────── */
.footer {
  padding-block: var(--space-16) var(--space-10);
  background: var(--color-bg);
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border);
}
@media (max-width: 720px) {
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
}
.footer__brand .brand { margin-bottom: var(--space-5); }
.footer__tag {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 36ch;
}
.footer__col-title {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer__col p, .footer__col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  display: block;
}
.footer__col a:hover { color: var(--color-accent); }
.footer__col a.footer__ig {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  white-space: nowrap;
}
.footer__ig-icon {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}
.footer__bottom {
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ─────────── Modal & Form ─────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  transition: opacity var(--transition-interactive);
}
.modal.is-open {
  display: flex;
  opacity: 1;
}
.modal__panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: clamp(var(--space-6), 5vw, var(--space-10));
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-interactive);
}
.modal.is-open .modal__panel { transform: translateY(0); }

.modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  color: var(--color-text-muted);
  border: 1px solid transparent;
}
.modal__close:hover { color: var(--color-text); border-color: var(--color-border); }

.modal__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-3);
  max-width: 18ch;
}
.modal__title em { color: var(--color-accent); font-style: italic; }
.modal__sub {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-8);
  max-width: 50ch;
}

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
@media (max-width: 540px) {
  .form__row { grid-template-columns: 1fr; }
}
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  font-weight: 500;
}
.field__label .req { color: var(--color-accent); }
.field__label .opt {
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  font-weight: 400;
  margin-left: var(--space-2);
}
.field__input,
.field__select,
.field__textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  width: 100%;
}
.field__textarea { resize: vertical; min-height: 96px; line-height: 1.5; }
.field__input:hover,
.field__select:hover,
.field__textarea:hover { border-color: var(--color-text-faint); }
.field__input:focus,
.field__select:focus,
.field__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px oklch(from var(--color-accent) l c h / 0.15);
}
.field__select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'><path d='M1 1.5L6 6.5L11 1.5' stroke='%23a1a1aa' stroke-width='1.5' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

.form__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}
.form__note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 36ch;
}

.form__status {
  margin-top: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  display: none;
}
.form__status.is-success {
  display: block;
  background: oklch(from var(--color-success) l c h / 0.08);
  border: 1px solid oklch(from var(--color-success) l c h / 0.25);
  color: var(--color-success);
}
.form__status.is-error {
  display: block;
  background: oklch(from var(--color-error) l c h / 0.08);
  border: 1px solid oklch(from var(--color-error) l c h / 0.25);
  color: var(--color-error);
}

.btn[disabled] { opacity: 0.6; cursor: not-allowed; transform: none !important; }

/* Scroll reveal — only animate if JS hooks in (.js-ready). Otherwise stay visible. */
.js-ready .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--transition-interactive), transform 0.9s var(--transition-interactive);
}
.js-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* No scroll when modal open */
body.modal-open { overflow: hidden; }