/* ============================================
   Learning By Design – Design System
   Colors: copper, mint, ivory, white, black,
   British racing green, bistro brown
   ============================================ */

:root {
  /* Brand colors */
  --color-black: #000000;
  --color-white: #ffffff;
  --color-ivory: #fffff0;
  --color-copper: #b87333;
  --color-mint: #1bbe90;
  --color-british-racing-green: #143b22;
  --color-bistro-brown: #3b2214;

  /* Semantic */
  --color-bg: var(--color-black);
  --color-bg-panel: var(--color-ivory);
  --color-text: var(--color-ivory);
  --color-text-on-panel: var(--color-copper);
  --color-accent: var(--color-mint);
  --color-accent-secondary: var(--color-copper);
  --color-border: var(--color-bistro-brown);
  --color-headline: var(--color-white);

  /* Typography */
  --font-serif: "Lora", "Georgia", serif;
  --font-sans: "DM Sans", "Helvetica Neue", sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --section-padding: clamp(3rem, 8vw, 6rem);
}

/* Reset & base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--color-headline);
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); margin-top: 0; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

a {
  color: var(--color-mint);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Utility */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-copper);
  margin-bottom: var(--space-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.875rem 1.5rem;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.btn--primary {
  background: var(--color-mint);
  color: var(--color-black);
}

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

.btn--secondary {
  background: transparent;
  color: var(--color-ivory);
  border: 2px solid var(--color-ivory);
}

.btn--secondary:hover {
  background: var(--color-ivory);
  color: var(--color-black);
}

.btn--panel {
  background: var(--color-copper);
  color: var(--color-ivory);
}

.btn--panel:hover {
  background: var(--color-bistro-brown);
  color: var(--color-ivory);
}

/* Angled panel (design ref: ivory panel with diagonal cut) */
.panel-angled {
  background: var(--color-bg-panel);
  color: var(--color-text-on-panel);
  padding: var(--space-xl);
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% 85%, 90% 100%, 0 100%);
}

.panel-angled h2,
.panel-angled h3 {
  color: var(--color-copper);
}

/* Section spacing */
.section {
  padding: var(--section-padding) 0;
}

.section--dark {
  background: var(--color-black);
}

/* Logo */
.logo-lxd {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.logo-lxd svg {
  height: 28px;
  width: auto;
}

.logo-lxd .wordmark {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-white);
  margin-left: 0.35rem;
}

.logo-lxd img {
  height: 28px;
  width: auto;
  display: block;
}

@media (max-width: 640px) {
  .logo-lxd .wordmark {
    display: none;
  }
}

/* ========== Navbar ========== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-black);
  border-bottom: 1px solid var(--color-bistro-brown);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-sm);
  padding-bottom: var(--space-sm);
}

.nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__list a {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-ivory);
}

.nav__list a:hover {
  color: var(--color-mint);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--color-white);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
}

@media (max-width: 768px) {
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-black);
    border-bottom: 1px solid var(--color-bistro-brown);
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav__list {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .nav-toggle {
    display: flex;
  }
}

/* ========== Hero ========== */
.hero {
  padding: var(--space-3xl) 0;
  position: relative;
}

.hero__inner {
  max-width: 720px;
}

.hero__headline {
  margin-bottom: var(--space-lg);
  color: var(--color-white);
}

.hero__headline .accent {
  color: var(--color-mint);
}

.hero__subheader {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--color-ivory);
  margin-bottom: var(--space-xl);
  opacity: 0.95;
}

.hero__accent-line {
  width: 66%;
  max-width: 320px;
  height: 1px;
  background: var(--color-white);
  margin-bottom: var(--space-xl);
  opacity: 0.9;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ========== Persona strip ========== */
.persona-strip {
  position: relative;
  padding: var(--space-xl) 0;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  /* fallback if canvas unavailable */
  background: var(--color-british-racing-green);
}

.persona-strip__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}

.persona-strip__content {
  position: relative;
  z-index: 1;
}

.persona-strip__title {
  text-align: center;
  margin-bottom: var(--space-lg);
  font-size: 1.25rem;
  color: var(--color-ivory);
}

.persona-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.persona-card {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--color-bistro-brown);
  padding: var(--space-lg);
  border-radius: 6px;
}

.persona-card__label {
  font-size: 1rem;
  color: var(--color-mint);
  margin-bottom: var(--space-xs);
}

.persona-card__copy {
  font-size: 0.9375rem;
  color: var(--color-ivory);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.persona-card .btn {
  width: 100%;
  justify-content: center;
}

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

/* ========== Social proof ========== */
.social-proof {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.social-proof__inner {
  text-align: center;
}

.social-proof__eyebrow {
  text-align: center;
  margin-bottom: var(--space-sm);
}

.social-proof .logo-row {
  margin-bottom: var(--space-xl);
}

.social-proof .logo-row:last-child {
  margin-bottom: 0;
}

.punchy-results {
  margin-top: var(--space-2xl);
}

.punchy-results__grid {
  margin-bottom: 0;
}

.punchy-result {
  min-height: 0;
}

.punchy-result__icon {
  font-size: 1.5rem;
  margin: 0 0 var(--space-sm);
  line-height: 1;
}

.punchy-result p:last-child {
  margin: 0;
  font-size: 0.9375rem;
}

.logo-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg) var(--space-xl);
  margin-bottom: var(--space-md);
}

.logo-row .logo-item {
  height: 32px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  opacity: 0.9;
  filter: brightness(0) invert(1);
}

/* ========== Hidden section ========== */
.is-hidden {
  display: none !important;
}

/* ========== Who I Work With ========== */
.who-section .section__headline {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.who-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.who-column {
  min-height: 280px;
}

.who-column ul {
  margin: var(--space-sm) 0;
  padding-left: 1.25rem;
}

.who-column li {
  margin-bottom: var(--space-xs);
}

.section__cta {
  text-align: center;
  margin: 0;
}

@media (max-width: 768px) {
  .who-columns {
    grid-template-columns: 1fr;
  }
}

/* ========== Services / Offers ========== */
.services-section .section__headline {
  margin-bottom: var(--space-sm);
}

.section__intro {
  margin-bottom: var(--space-2xl);
  font-size: 1.0625rem;
  color: var(--color-ivory);
  max-width: 640px;
}

.offer {
  border-bottom: 1px solid var(--color-bistro-brown);
  padding: var(--space-xl) 0;
}

.offer:first-of-type {
  padding-top: 0;
}

.offer__header {
  margin-bottom: var(--space-md);
}

.offer__subheader {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  color: var(--color-copper);
  margin: var(--space-xs) 0 0;
  font-weight: 500;
}

.offer__body ul {
  margin: var(--space-sm) 0;
  padding-left: 1.25rem;
}

.offer__body li {
  margin-bottom: var(--space-xs);
}

.offer__link {
  display: inline-block;
  margin-top: var(--space-md);
  font-family: var(--font-sans);
  font-weight: 600;
}

/* ========== Why Learning By Design ========== */
.why-section .section__headline {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.why-section__photo {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.why-section__photo-img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  background: var(--color-white);
  padding: 4px;
  box-shadow: 0 0 0 4px var(--color-white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.people-headline {
  text-align: center;
  color: var(--color-mint);
  font-size: 1.125rem;
  margin-bottom: var(--space-lg);
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.people-card {
  text-align: center;
}

.people-card__img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: var(--space-xs);
}

.people-card__name {
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--color-white);
  margin: 0 0 var(--space-xs);
  font-size: 0.9375rem;
}

.people-card__desc {
  font-size: 0.8125rem;
  color: var(--color-ivory);
  margin: 0;
  line-height: 1.4;
}

@media (max-width: 768px) {
  .people-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.why-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-bistro-brown);
  border-radius: 6px;
  background: rgba(27, 59, 34, 0.2);
}

.why-card h3 {
  font-size: 1.125rem;
  color: var(--color-mint);
  margin-bottom: var(--space-sm);
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.testimonial {
  font-style: italic;
  color: var(--color-ivory);
  margin: 0;
  padding: var(--space-md);
  border-left: 3px solid var(--color-copper);
  font-size: 0.9375rem;
}

.testimonial__icon {
  display: block;
  margin-bottom: var(--space-xs);
  font-style: normal;
}

.testimonial cite {
  display: block;
  margin-top: var(--space-xs);
  font-style: normal;
  font-size: 0.8125rem;
  color: var(--color-copper);
}

@media (max-width: 768px) {
  .why-grid {
    grid-template-columns: 1fr;
  }

  .testimonials {
    grid-template-columns: 1fr;
  }
}

/* ========== Results ========== */
/* Results section – panel style (matches Who I Work With) */
.results-section--panels .section__headline {
  text-align: center;
  margin-bottom: var(--space-xl);
  color: var(--color-white);
}

.case-study-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.case-study-card {
  padding: var(--space-lg);
  min-height: 0;
  clip-path: polygon(0 0, 100% 0, 100% 92%, 96% 100%, 0 100%);
}

.case-study-card:nth-child(odd) {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 4% 100%, 0 92%);
}

.result-in-panel {
  margin-bottom: var(--space-xl);
}

.result-in-panel:last-child {
  margin-bottom: 0;
}

.case-study-card h3,
.result-in-panel h3 {
  color: var(--color-copper);
  font-size: 1.0625rem;
  margin-bottom: var(--space-xs);
}

.result-in-panel__title {
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--color-text-on-panel);
  margin-bottom: var(--space-sm);
  font-size: 0.9375rem;
}

.case-study-card ul,
.result-in-panel ul {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-text-on-panel);
}

.case-study-card li,
.result-in-panel li {
  margin-bottom: var(--space-xs);
}

@media (max-width: 768px) {
  .case-study-grid {
    grid-template-columns: 1fr;
  }
}

.results-section--panels .section__cta {
  text-align: center;
  margin: 0;
}

/* Deeper testimonials (Max, Jennifer, Seth) */
.testimonials-deep .section__headline {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.testimonials-deep__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.testimonial-deep {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.testimonial-deep__img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 50%;
}

.testimonial-deep__name {
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--color-mint);
  margin: 0 0 var(--space-sm);
  font-size: 0.9375rem;
}

.testimonial-deep__body blockquote {
  margin: 0;
  padding: 0;
  border: none;
  font-style: normal;
}

.testimonial-deep__body blockquote p {
  margin: 0 0 var(--space-sm);
  font-size: 0.9375rem;
  color: var(--color-ivory);
  line-height: 1.6;
}

.testimonial-deep__body blockquote p:last-child {
  margin-bottom: 0;
}

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

/* ========== How Engagements Work ========== */
.how-section .section__headline {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.how-step {
  text-align: center;
  padding: var(--space-lg);
}

.how-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 2px solid var(--color-bistro-brown);
  border-radius: 50%;
  background: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
}

.how-step h3 {
  font-size: 1.0625rem;
  margin-bottom: var(--space-sm);
}

.how-step p {
  font-size: 0.9375rem;
  margin: 0;
  color: var(--color-ivory);
}

.how-formats {
  text-align: center;
  margin-bottom: var(--space-lg);
  font-size: 0.9375rem;
  color: var(--color-copper);
}

@media (max-width: 768px) {
  .how-steps {
    grid-template-columns: 1fr;
  }
}

/* ========== FAQ ========== */
.faq-section .section__headline {
  margin-bottom: var(--space-lg);
}

.faq-list {
  max-width: 640px;
}

.faq-item {
  border-bottom: 1px solid var(--color-bistro-brown);
  padding: var(--space-md) 0;
}

.faq-item dt {
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.faq-item dd {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-ivory);
  line-height: 1.55;
}

/* ========== Final CTA ========== */
.cta-section {
  background: linear-gradient(180deg, var(--color-british-racing-green) 0%, var(--color-black) 100%);
  padding: var(--space-3xl) 0;
}

.cta-section__inner {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.cta-section__headline {
  margin-bottom: var(--space-sm);
}

.cta-section__sub {
  margin-bottom: var(--space-xl);
  color: var(--color-ivory);
}

.cta-section__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* ========== Footer ========== */
.footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-bistro-brown);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--color-copper);
  margin: 0;
}

/* ========== Revenue OS page ========== */
.panel-angled-bg {
  background: var(--color-bg-panel);
  color: var(--color-text-on-panel);
}

.panel-angled-bg .section__headline,
.panel-angled-bg h3 {
  color: var(--color-copper);
}

.ro-copy ul {
  margin: var(--space-sm) 0;
  padding-left: 1.25rem;
}

.ro-copy li {
  margin-bottom: var(--space-xs);
}

.ro-included {
  display: grid;
  gap: var(--space-lg);
}

.ro-included__item {
  padding: var(--space-lg);
  border: 1px solid var(--color-bistro-brown);
  border-radius: 6px;
  background: rgba(20, 59, 34, 0.15);
}

.ro-included__item h3 {
  color: var(--color-mint);
  font-size: 1.0625rem;
  margin-bottom: var(--space-sm);
}

.ro-included__item p {
  margin: 0;
  font-size: 0.9375rem;
}

.ro-outcomes__list {
  max-width: 640px;
  margin-bottom: var(--space-xl);
  padding-left: 1.25rem;
}

.ro-outcomes__list li {
  margin-bottom: var(--space-sm);
}

.ro-quote {
  font-style: italic;
  color: var(--color-ivory);
  border-left: 3px solid var(--color-copper);
  padding-left: var(--space-md);
  margin: 0;
}

.ro-quote cite {
  display: block;
  margin-top: var(--space-xs);
  font-style: normal;
  font-size: 0.875rem;
  color: var(--color-copper);
}

.ro-fit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.ro-fit-box {
  padding: var(--space-lg);
}

.ro-fit-box h3 {
  font-size: 1rem;
  color: var(--color-mint);
  margin-bottom: var(--space-sm);
}

.ro-fit-box ul {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
}

.ro-fit-box li {
  margin-bottom: var(--space-xs);
}

.ro-about p {
  max-width: 640px;
  margin-bottom: var(--space-md);
}

.ro-about p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .ro-fit-grid {
    grid-template-columns: 1fr;
  }
}