/* ==========================================================================
   Lynnhaven Consultants — homepage styles
   All shared values live in the tokens below; components reference tokens only.
   ========================================================================== */

:root {
  /* Brand colors (sampled from the live site) */
  --color-header-top: #4965a5;
  --color-header-bottom: #030407;
  --color-hero: #050809;
  --color-primary: #2f5fdb;        /* hero button blue */
  --color-primary-hover: #244cba;
  --color-link: #2655c9;           /* single link blue (replaces 3 mixed blues) */
  --color-link-hover: #1a3f9e;
  --color-footer: #0c1115;
  --color-footer-link: #6ea8ff;

  /* Neutrals */
  --color-ink: #111418;            /* headings */
  --color-text: #33373d;           /* body */
  --color-muted: #5f646b;          /* eyebrows, supporting text */
  --color-border: #e3e5e8;
  --color-surface: #ffffff;
  --color-surface-alt: #f8f8f8;
  --color-on-dark: #ffffff;
  --color-on-dark-muted: #b9bec6;

  /* Typography */
  --font-sans: "Mulish", "Muli", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --fs-h1: clamp(2rem, 1.25rem + 3.2vw, 3.25rem);     /* 32 → 52px */
  --fs-h2: clamp(1.75rem, 1.45rem + 1.1vw, 2.25rem);  /* 28 → 36px */
  --fs-h3: clamp(1.25rem, 1.15rem + 0.4vw, 1.5rem);   /* 20 → 24px */
  --fs-lead: clamp(1.0625rem, 1rem + 0.3vw, 1.25rem); /* 17 → 20px */
  --fs-body: 1.0625rem;                               /* 17px */
  --fs-nav: 0.9375rem;                                /* 15px */
  --fs-small: 0.875rem;                               /* 14px */
  --fs-eyebrow: 0.8125rem;                            /* 13px */

  --fw-regular: 400;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-heavy: 800;

  --lh-tight: 1.15;
  --lh-heading: 1.25;
  --lh-body: 1.7;

  --ls-eyebrow: 0.2em;
  --ls-button: 0.02em;

  /* Spacing scale (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-section: clamp(3.5rem, 2.5rem + 4vw, 6.5rem);

  /* Layout */
  --container: 1080px;
  --gutter: clamp(1rem, 0.5rem + 2.5vw, 2rem);
  --measure: 62ch;
  --radius: 4px;
  --header-h: 68px;

  --focus-ring: 0 0 0 3px #fff, 0 0 0 5px var(--color-primary);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }

button, input, select, textarea { font: inherit; }

h1, h2, h3 {
  margin: 0 0 var(--space-4);
  color: var(--color-ink);
  font-weight: var(--fw-heavy);
  line-height: var(--lh-heading);
  letter-spacing: -0.01em;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: var(--fw-bold); }

p { margin: 0 0 var(--space-4); text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

ul { margin: 0 0 var(--space-4); padding-left: 1.25em; }

a {
  color: var(--color-link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.15s ease;
}
a:hover { color: var(--color-link-hover); }

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 2px;
}

cite { font-style: italic; }
address { font-style: normal; }
blockquote { margin: 0; }
figure { margin: 0; }

.nowrap { white-space: nowrap; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  color: var(--color-ink);
  font-weight: var(--fw-bold);
}
.skip-link:focus { top: var(--space-4); }

.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* --------------------------------------------------------------------------
   Shared text styles
   -------------------------------------------------------------------------- */
.eyebrow {
  margin: 0 0 var(--space-3);
  color: var(--color-muted);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
}

.lead { font-size: var(--fs-lead); }

.text-link { font-weight: var(--fw-bold); }

.label { font-weight: var(--fw-bold); color: var(--color-ink); }

.status {
  color: var(--color-muted);
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 48px;
  padding: var(--space-3) var(--space-5);
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: var(--fs-nav);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-button);
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
}
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--color-primary); color: var(--color-on-dark); }
.btn--primary:hover { background: var(--color-primary-hover); color: var(--color-on-dark); }

.btn--lg { min-height: 56px; padding-inline: var(--space-6); font-size: 1rem; }

.btn__sep { width: 1px; height: 1.1em; background: rgba(255, 255, 255, 0.45); }
.btn__icon { width: 12px; height: 12px; flex: none; }

/* --------------------------------------------------------------------------
   Header & navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: relative;
  z-index: 20;
  background: linear-gradient(180deg, var(--color-header-top) 0%, #263557 50%, var(--color-header-bottom) 100%);
  color: var(--color-on-dark);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: var(--header-h);
}

.brand {
  padding-block: var(--space-2);
  color: var(--color-on-dark);
  font-size: clamp(1.375rem, 1.1rem + 1vw, 1.875rem);
  font-weight: var(--fw-semibold);
  letter-spacing: -0.005em;
  text-decoration: none;
  white-space: nowrap;
}
.brand:hover { color: var(--color-on-dark); }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a,
.submenu-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  border: 0;
  background: none;
  color: var(--color-on-dark);
  font-family: inherit;
  font-size: var(--fs-nav);
  font-weight: var(--fw-bold);
  text-decoration: none;
  cursor: pointer;
}
.site-nav a:hover,
.submenu-toggle:hover { text-decoration: underline; text-underline-offset: 0.3em; color: var(--color-on-dark); }

.chevron { width: 12px; height: 12px; transition: transform 0.15s ease; }

.has-submenu { position: relative; }

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  margin: 0;
  padding: var(--space-2) 0;
  list-style: none;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
}
.submenu a {
  display: flex;
  width: 100%;
  color: var(--color-ink);
  font-weight: var(--fw-semibold);
}
.submenu a:hover { color: var(--color-link); background: var(--color-surface-alt); }

.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu,
.submenu-toggle[aria-expanded="true"] + .submenu {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.submenu-toggle[aria-expanded="true"] .chevron { transform: rotate(180deg); }

.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--color-on-dark);
  cursor: pointer;
}
.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  position: absolute;
  left: 11px;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle__bar { top: 21px; }
.nav-toggle__bar::before, .nav-toggle__bar::after { content: ""; left: 0; }
.nav-toggle__bar::before { top: -7px; }
.nav-toggle__bar::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-header-bottom);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: var(--space-2) var(--gutter) var(--space-4);
  }
  .site-nav.is-open { display: block; }

  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav a, .submenu-toggle { width: 100%; padding-inline: 0; justify-content: space-between; }
  .site-nav__list > li + li { border-top: 1px solid rgba(255, 255, 255, 0.1); }

  .submenu {
    position: static;
    display: none;
    min-width: 0;
    padding: 0 0 var(--space-2) var(--space-4);
    background: none;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .submenu a { color: var(--color-on-dark-muted); font-weight: var(--fw-semibold); }
  .submenu a:hover { background: none; color: var(--color-on-dark); }
  .submenu-toggle[aria-expanded="true"] + .submenu { display: block; }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  background-color: var(--color-hero);
  background-image: linear-gradient(rgba(0, 0, 0, 0.62), rgba(0, 0, 0, 0.62)), url("../img/seminar-presentation.jpg");
  background-size: cover;
  background-position: center;
  color: var(--color-on-dark);
  text-align: center;
}

.hero__inner {
  padding-block: clamp(3.5rem, 2rem + 5vw, 6rem);
}

.hero__title {
  max-width: 20ch;
  margin: 0 auto var(--space-5);
  color: var(--color-on-dark);
}

.hero__lead {
  max-width: 46rem;
  margin: 0 auto var(--space-6);
  color: rgba(255, 255, 255, 0.92);
  font-size: var(--fs-lead);
  line-height: 1.6;
}

@media (max-width: 560px) {
  .hero__lead br { display: none; }
  .hero .btn { flex-direction: column; gap: var(--space-1); width: 100%; }
  .hero .btn__sep, .hero .btn__icon { display: none; }
}

/* --------------------------------------------------------------------------
   Section tabs
   -------------------------------------------------------------------------- */
.section-tabs {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}
.section-tabs__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}
.section-tabs__list li + li { border-left: 1px solid var(--color-border); }
.section-tabs a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  padding: var(--space-3) var(--space-4);
  color: var(--color-link);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.15em;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
}
.section-tabs a:hover { background: var(--color-surface-alt); color: var(--color-link-hover); }

@media (max-width: 767px) {
  .section-tabs__list { grid-template-columns: 1fr 1fr; }
  .section-tabs__list li { border-left: 0 !important; }
  .section-tabs__list li:nth-child(even) { border-left: 1px solid var(--color-border) !important; }
  .section-tabs__list li:nth-child(n+3) { border-top: 1px solid var(--color-border); }
  .section-tabs a { min-height: 52px; font-size: var(--fs-eyebrow); letter-spacing: 0.1em; }
}

/* --------------------------------------------------------------------------
   Sections & split layouts
   -------------------------------------------------------------------------- */
.section { padding-block: var(--space-section); }
.section + .section:not(.section--alt) { padding-top: 0; }
.section--alt { background: var(--color-surface-alt); }

[id] { scroll-margin-top: var(--space-5); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6) clamp(2rem, 1rem + 3vw, 4rem);
  align-items: start;
}
.split--reverse .split__media { order: -1; }

.split__body { max-width: var(--measure); }
.split__body > h2 { margin-bottom: var(--space-5); }

.split__media img { width: 100%; }
.split__media--book img { width: min(100%, 340px); margin-inline: auto; box-shadow: 0 10px 30px rgba(9, 30, 80, 0.18); }

.service + .service { margin-top: var(--space-5); }
.service h3 { margin-bottom: var(--space-2); }

.pull-quote {
  margin-top: var(--space-5);
  padding-left: var(--space-4);
  border-left: 3px solid var(--color-primary);
  color: var(--color-ink);
  font-style: italic;
}

@media (max-width: 767px) {
  .split { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .split__media { order: 0; }
  .split__body { max-width: none; }
}

/* --------------------------------------------------------------------------
   Feature grid (Interview / Career / Company)
   -------------------------------------------------------------------------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6) clamp(1.5rem, 0.5rem + 2.5vw, 3rem);
  margin-top: var(--space-section);
}
.feature { border-top: 3px solid var(--color-primary); padding-top: var(--space-5); }
.feature h3 { margin-bottom: var(--space-3); }

@media (max-width: 960px) { .feature-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .feature-grid { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Testimonials
   -------------------------------------------------------------------------- */
.testimonials {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7) clamp(2rem, 1rem + 3vw, 4rem);
  margin-top: var(--space-6);
}
.testimonials__col { display: flex; flex-direction: column; gap: var(--space-7); }

.testimonial__head {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.testimonial__head img {
  width: 80px;
  height: 80px;
  flex: none;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 50%;
}
.testimonial__name {
  margin: 0;
  color: var(--color-ink);
  font-size: var(--fs-small);
  font-weight: var(--fw-heavy);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
}
.testimonial__role { margin: 0; color: var(--color-link); font-size: var(--fs-small); line-height: 1.5; }

.testimonial__body {
  position: relative;
  padding-left: var(--space-5);
  border-left: 2px solid var(--color-border);
}
.testimonial__body p { margin-bottom: var(--space-3); }
.testimonial__body ul { margin-bottom: var(--space-3); }
.testimonial__body li + li { margin-top: var(--space-1); }
.testimonial__note { color: var(--color-muted); font-size: var(--fs-small); font-style: italic; }

@media (max-width: 767px) {
  .testimonials { grid-template-columns: 1fr; }
  .testimonial__body { padding-left: var(--space-4); }
}

/* --------------------------------------------------------------------------
   Future offerings
   -------------------------------------------------------------------------- */
.offerings {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-top: var(--space-5);
}
.offering {
  display: flex;
  flex-direction: column;
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  background: var(--color-surface);
  border-radius: var(--radius);
}
.offering h3 {
  margin-bottom: var(--space-4);
  font-size: var(--fs-body);
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
}
.offering__status {
  margin-top: auto;
  padding-top: var(--space-5);
  color: var(--color-ink);
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  letter-spacing: 0.08em;
  text-align: center;
}
.offering__status::before {
  content: "";
  display: block;
  width: 38px;
  height: 2px;
  margin: 0 auto var(--space-4);
  background: var(--color-ink);
}

@media (max-width: 767px) { .offerings { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-footer);
  color: var(--color-on-dark);
  font-size: var(--fs-small);
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  padding-block: var(--space-7) var(--space-6);
}
.site-footer__heading {
  margin-bottom: var(--space-4);
  color: var(--color-on-dark-muted);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
}
.site-footer address p { margin-bottom: var(--space-2); }
.site-footer a { color: var(--color-footer-link); }
.site-footer a:hover { color: var(--color-on-dark); }
.site-footer :focus-visible { box-shadow: 0 0 0 2px var(--color-footer), 0 0 0 4px var(--color-footer-link); }

.social { display: flex; gap: var(--space-3); margin: 0; padding: 0; list-style: none; }
.social a {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-on-dark);
  transition: background-color 0.15s ease;
}
.social a:hover { background: var(--color-primary); color: var(--color-on-dark); }
.social svg { width: 20px; height: 20px; }

.site-footer__legal {
  margin: 0;
  padding: var(--space-4) var(--gutter);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-on-dark-muted);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.05em;
  text-align: center;
}

@media (max-width: 560px) { .site-footer__inner { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}