/* ============================================================
   Fadell Group — Marketing Site
   Palette: charcoal / deep navy / warm off-white / bronze
   ============================================================ */

:root {
  --charcoal: #14171c;
  --charcoal-soft: #1e232b;
  --navy: #152238;
  --navy-deep: #0e1726;
  --off-white: #f6f3ee;
  --cream: #ebe6dd;
  --muted: #8a857c;
  --text: #2a2d33;
  --text-on-dark: #e8e4dc;
  --text-muted-dark: #a8a29a;
  --bronze: #a67c52;
  --bronze-light: #c4a07a;
  --bronze-dark: #8a6540;
  --border: rgba(20, 23, 28, 0.12);
  --border-dark: rgba(246, 243, 238, 0.12);
  --max: 1120px;
  --narrow: 720px;
  --space: clamp(1.25rem, 3vw, 2rem);
  --section: clamp(4rem, 10vw, 7rem);
  --font-display: "Cormorant Garamond", "Palatino Linotype", Palatino, Georgia, serif;
  --font-body: "Source Sans 3", "Source Sans Pro", "Segoe UI", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--off-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--bronze-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--bronze);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 3px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--charcoal);
  margin: 0 0 0.75em;
}

h1 {
  font-size: clamp(2.5rem, 5.5vw, 3.75rem);
  font-weight: 400;
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  font-weight: 400;
}

h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.6rem);
}

p {
  margin: 0 0 1.15em;
}

p:last-child {
  margin-bottom: 0;
}

ul,
ol {
  margin: 0 0 1.15em;
  padding-left: 1.25em;
}

li + li {
  margin-top: 0.4em;
}

.container {
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - 2 * var(--space), var(--narrow));
}

/* —— Skip link —— */
.skip-link {
  position: absolute;
  left: var(--space);
  top: -100%;
  z-index: 1000;
  background: var(--bronze);
  color: var(--charcoal);
  padding: 0.6rem 1rem;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space);
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 243, 238, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--charcoal);
}

.brand:hover {
  color: var(--charcoal);
}

.brand__mark {
  width: 40px;
  height: 40px;
  color: var(--bronze);
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  line-height: 1.1;
}

.brand__tag {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--charcoal);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  text-decoration: none;
  color: var(--text);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--bronze-dark);
}

.site-nav .nav-cta {
  color: var(--off-white);
  background: var(--charcoal);
  padding: 0.55rem 1.1rem;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
}

.site-nav .nav-cta:hover {
  background: var(--navy);
  color: var(--off-white);
}

/* —— Buttons —— */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.9rem 1.6rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn--primary {
  background: var(--charcoal);
  color: var(--off-white);
}

.btn--primary:hover {
  background: var(--navy);
  color: var(--off-white);
}

.btn--ghost {
  background: transparent;
  color: var(--charcoal);
  border-color: var(--charcoal);
}

.btn--ghost:hover {
  background: var(--charcoal);
  color: var(--off-white);
}

.btn--on-dark {
  background: transparent;
  color: var(--off-white);
  border-color: var(--bronze-light);
}

.btn--on-dark:hover {
  background: var(--bronze);
  color: var(--charcoal);
  border-color: var(--bronze);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

/* —— Hero —— */
.hero {
  background: linear-gradient(165deg, var(--navy-deep) 0%, var(--charcoal) 55%, var(--navy) 100%);
  color: var(--text-on-dark);
  padding: clamp(5rem, 14vw, 9rem) 0 clamp(4rem, 10vw, 6.5rem);
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bronze), transparent);
  opacity: 0.45;
}

.hero__eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze-light);
  margin-bottom: 1.5rem;
}

.hero h1 {
  color: var(--off-white);
  max-width: 14ch;
  margin-bottom: 1.25rem;
}

.hero__lead {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-muted-dark);
  max-width: 36rem;
  line-height: 1.55;
  margin-bottom: 0;
}

.hero .btn-row {
  margin-top: 2.5rem;
}

/* —— Sections —— */
.section {
  padding: var(--section) 0;
}

.section--alt {
  background: var(--cream);
}

.section--dark {
  background: var(--charcoal);
  color: var(--text-on-dark);
}

.section--dark h2,
.section--dark h3 {
  color: var(--off-white);
}

.section__eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 1rem;
}

.section__intro {
  max-width: 38rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
}

.section--dark .section__intro {
  color: var(--text-muted-dark);
}

.page-hero {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0 clamp(2.5rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  margin-bottom: 0.6em;
}

.page-hero__lead {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 36rem;
  margin: 0;
}

/* —— Cards / grids —— */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  padding: clamp(1.5rem, 3vw, 2rem);
}

.section--alt .card {
  background: var(--off-white);
}

.card--dark {
  background: var(--charcoal-soft);
  border-color: var(--border-dark);
  color: var(--text-on-dark);
}

.card--dark h3 {
  color: var(--off-white);
}

.card__label {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 0.85rem;
}

.do-dont {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.do-dont__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.do-dont__list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.98rem;
}

.do-dont__list li:last-child {
  border-bottom: none;
}

.do-dont__list--dont li {
  color: var(--muted);
}

.rule {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.rule:last-child {
  border-bottom: none;
}

.rule__num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--bronze);
  line-height: 1;
  min-width: 2rem;
}

.rule h3 {
  margin-bottom: 0.4em;
  font-size: 1.3rem;
}

.rule p {
  margin: 0;
  color: var(--muted);
}

.pullquote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.8vw, 1.85rem);
  font-weight: 400;
  line-height: 1.4;
  color: var(--charcoal);
  max-width: 28rem;
  border-left: 2px solid var(--bronze);
  padding-left: 1.5rem;
  margin: 0;
}

.section--dark .pullquote {
  color: var(--off-white);
}

.divider {
  height: 1px;
  background: var(--border);
  border: none;
  margin: 0;
}

.note {
  font-size: 0.9rem;
  color: var(--muted);
  border-left: 2px solid var(--bronze);
  padding-left: 1rem;
  margin-top: 2rem;
}

.placeholder-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(166, 124, 82, 0.15);
  color: var(--bronze-dark);
  padding: 0.15rem 0.45rem;
  vertical-align: middle;
  margin-left: 0.35rem;
}

/* —— Form —— */
.form {
  display: grid;
  gap: 1.25rem;
  max-width: 32rem;
}

.form label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.45rem;
}

.form input,
.form textarea,
.form select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--charcoal);
  background: #fff;
  border: 1px solid var(--border);
  padding: 0.85rem 1rem;
  border-radius: 0;
}

.form textarea {
  min-height: 140px;
  resize: vertical;
}

.form__hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

.form-success {
  display: none;
  background: #fff;
  border: 1px solid var(--border);
  padding: 2rem;
  max-width: 32rem;
}

.form-success.is-visible {
  display: block;
}

.form.is-hidden {
  display: none;
}

/* —— Disclosures —— */
.disclosure {
  max-width: var(--narrow);
}

.disclosure h2 {
  font-size: 1.45rem;
  margin-top: 2.25rem;
}

.disclosure h2:first-child {
  margin-top: 0;
}

.disclosure p,
.disclosure li {
  font-size: 0.98rem;
  color: var(--text);
}

/* —— Footer —— */
.site-footer {
  background: var(--navy-deep);
  color: var(--text-muted-dark);
  padding: 3.5rem 0 2.5rem;
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--bronze-light);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--off-white);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.site-footer__brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--off-white);
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.site-footer__nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer__nav li + li {
  margin-top: 0.5rem;
}

.site-footer__label {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bronze-light);
  margin-bottom: 1rem;
}

.site-footer__bottom {
  border-top: 1px solid var(--border-dark);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: baseline;
}

.site-footer__notice {
  max-width: 40rem;
  line-height: 1.55;
}

/* —— Motion (subtle) —— */
@media (prefers-reduced-motion: no-preference) {
  .fade-in {
    animation: fadeUp 0.7s var(--ease) both;
  }

  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(12px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* —— Responsive —— */
@media (max-width: 860px) {
  .grid-2,
  .grid-3,
  .do-dont,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    display: none;
    width: 100%;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-header__inner {
    flex-wrap: wrap;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 0.5rem 0 1rem;
  }

  .site-nav .nav-cta {
    margin-top: 0.35rem;
  }
}

@media (max-width: 520px) {
  .btn-row {
    flex-direction: column;
  }

  .btn-row .btn {
    text-align: center;
  }
}