/* Tessier Consulting Group — ink and teal brand */
:root {
  /* Brand */
  --ink: #0F172A;
  --ink-soft: #1E293B;
  --ink-line: #334155;
  --teal: #0E9F8E;
  --teal-dark: #0B7F72;
  --teal-bright: #5EEAD4;
  --mist: #E6F2F0;
  --slate: #64748B;

  /* Neutrals */
  --white: #FFFFFF;
  --paper: #F8FAFC;
  --line: #E2E8F0;
  --text: #0F172A;
  --text-muted: #475569;
  --text-on-dark: #F1F5F9;
  --text-on-dark-muted: #94A3B8;

  /* Type */
  --font-heading: 'Manrope', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* UI */
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
  --transition: 0.2s ease;
  --header-height: 72px;
}

/* Reset */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.button-primary {
  background: var(--teal);
  color: var(--white);
}

.button-primary:hover {
  background: var(--teal-dark);
}

.button-ghost {
  border-color: var(--ink-line);
  color: var(--text-on-dark);
}

.button-ghost:hover {
  border-color: var(--teal-bright);
  color: var(--teal-bright);
}

.button-secondary {
  border-color: var(--ink);
  color: var(--ink);
}

.button-secondary:hover {
  background: var(--ink);
  color: var(--white);
}

.button-small {
  padding: 10px 18px;
  font-size: 0.95rem;
}

.button-block {
  width: 100%;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 24px;
  color: var(--teal-dark);
  font-weight: 600;
  text-decoration: none;
}

.text-link i {
  font-size: 0.8em;
  transition: transform var(--transition);
}

.text-link:hover i {
  transform: translateX(4px);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(51, 65, 85, 0.6);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--white);
}

.brand-name-light {
  font-weight: 500;
  color: var(--teal-bright);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a:not(.button) {
  color: var(--text-on-dark-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:not(.button):hover {
  color: var(--white);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--text-on-dark);
  padding: 112px 0 120px;
  overflow: hidden;
}

/* Subtle grid texture */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 75%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 1.2rem;
  color: var(--text-on-dark-muted);
  max-width: 580px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-panel {
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  padding: 8px 32px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 24px 0;
}

.hero-stat + .hero-stat {
  border-top: 1px solid var(--ink-line);
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--teal-bright);
  line-height: 1.1;
}

.hero-stat-label {
  color: var(--text-on-dark-muted);
  font-size: 0.95rem;
}

/* Sections */
.section {
  padding: 104px 0;
}

.section-light {
  background: var(--white);
}

.section-tint {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

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

.section-header {
  max-width: 720px;
  margin-bottom: 56px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 16px;
}

.hero .eyebrow,
.section-dark .eyebrow {
  color: var(--teal-bright);
}

.section-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: #CBD5E1;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-bottom: 12px;
}

.card > p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.card-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  border-radius: 12px;
  background: var(--mist);
  color: var(--teal-dark);
  font-size: 1.2rem;
}

.card-featured {
  border: 2px solid var(--teal);
}

.badge {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 16px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--mist);
  color: var(--teal-dark);
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-dark {
  background: rgba(94, 234, 212, 0.12);
  color: var(--teal-bright);
}

.check-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  font-size: 0.95rem;
}

.check-list li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 1px;
  font-size: 0.8rem;
  color: var(--teal);
}

.check-list-dark li {
  color: var(--text-on-dark);
}

.check-list-dark li::before {
  color: var(--teal-bright);
}

/* Approach steps */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  counter-reset: none;
}

.step {
  border-top: 2px solid var(--line);
  padding-top: 24px;
}

.step:first-child {
  border-top-color: var(--teal);
}

.step-number {
  display: block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--teal-dark);
  margin-bottom: 12px;
}

.step h3 {
  margin-bottom: 8px;
}

.step p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Case study */
.case-study {
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.case-meta h3 {
  font-size: 1.6rem;
  max-width: 720px;
  margin-bottom: 40px;
}

.case-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.case-block h4 {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  margin-bottom: 16px;
}

.case-block p {
  color: var(--text-on-dark);
}

.testimonial {
  border-top: 1px solid var(--ink-line);
  padding-top: 32px;
}

.testimonial blockquote {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--white);
  max-width: 860px;
  margin-bottom: 16px;
}

.testimonial figcaption {
  color: var(--teal-bright);
  font-size: 0.95rem;
  font-weight: 500;
}

/* Speaking */
.resource-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.resource-card:hover {
  box-shadow: var(--shadow);
}

.resource-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.resource-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px 28px 28px;
}

.resource-type {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 8px;
}

.resource-body h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.resource-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.resource-date {
  margin-top: auto;
  padding-top: 16px;
  font-size: 0.85rem;
  color: var(--slate);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 72px;
  align-items: center;
}

.about-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.about-content h2 {
  margin-bottom: 4px;
}

.about-role {
  color: var(--teal-dark);
  font-weight: 600;
  margin-bottom: 24px;
}

.about-content > p:not(.eyebrow):not(.about-role) {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.focus-areas {
  margin: 32px 0;
  padding: 24px 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.focus-areas h4 {
  margin-bottom: 12px;
}

.focus-areas ul {
  list-style: none;
  display: grid;
  gap: 8px;
}

.focus-areas li {
  position: relative;
  padding-left: 20px;
}

.focus-areas li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--teal);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.contact-intro h2 {
  margin-bottom: 20px;
}

.contact-intro > p {
  color: var(--text-on-dark-muted);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.contact-details {
  list-style: none;
  display: grid;
  gap: 12px;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 12px;
}

.contact-details i {
  width: 20px;
  color: var(--teal-bright);
}

.contact-details a {
  color: var(--text-on-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-line);
}

.contact-details a:hover {
  border-bottom-color: var(--teal-bright);
}

.contact-form-card {
  background: var(--white);
  color: var(--text);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.optional {
  font-weight: 400;
  color: var(--slate);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group textarea {
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(14, 159, 142, 0.15);
  background: var(--white);
}

.form-status {
  margin-top: 16px;
  font-size: 0.95rem;
  text-align: center;
}

.form-status:empty {
  display: none;
}

.form-status.is-success { color: var(--teal-dark); }
.form-status.is-error { color: #B91C1C; }

/* Footer */
.footer {
  background: var(--ink);
  border-top: 1px solid var(--ink-line);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-footer .brand-mark {
  width: 32px;
  height: 32px;
}

.brand-footer .brand-name {
  font-size: 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links a {
  color: var(--text-on-dark-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

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

.footer-copy {
  width: 100%;
  color: var(--slate);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1100px) {
  .hero-grid,
  .about-grid,
  .contact-grid {
    gap: 40px;
  }

  .card,
  .resource-body {
    padding-left: 24px;
    padding-right: 24px;
  }
}

@media (max-width: 960px) {
  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  /* Stats sit in a row under the hero copy */
  .hero-panel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding: 0;
  }

  .hero-stat {
    padding: 24px;
  }

  .hero-stat + .hero-stat {
    border-top: none;
    border-left: 1px solid var(--ink-line);
  }

  .about-grid {
    grid-template-columns: 1fr 1.6fr;
    gap: 40px;
    align-items: start;
  }

  .card-grid {
    grid-template-columns: 1fr;
    max-width: 640px;
  }

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

@media (max-width: 720px) {
  .hero-panel {
    grid-template-columns: 1fr;
    padding: 8px 24px;
  }

  .hero-stat {
    padding: 20px 0;
  }

  .hero-stat + .hero-stat {
    border-left: none;
    border-top: 1px solid var(--ink-line);
  }

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

  .about-photo {
    max-width: 320px;
  }
}

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

  .nav-links {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 24px;
    background: var(--ink);
    border-bottom: 1px solid var(--ink-line);
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a:not(.button) {
    padding: 14px 0;
    border-bottom: 1px solid var(--ink-soft);
  }

  .nav-links .button {
    margin-top: 16px;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 16px;
  }

  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 72px 0 80px;
  }

  .section {
    padding: 72px 0;
  }

  .card-grid,
  .steps,
  .case-body {
    grid-template-columns: 1fr;
  }

  .case-body {
    gap: 32px;
  }

  .case-study,
  .contact-form-card {
    padding: 28px 22px;
  }

  .card {
    padding: 28px 24px;
  }

  .brand-name-light {
    display: none;
  }
}