:root {
  --navy: #0e395e;
  --navy-deep: #092436;
  --slate: #4c6672;
  --teal: #178c85;
  --teal-dark: #127084;
  --teal-soft: #e7f4f3;
  --gold: #c4a35a;
  --gold-hover: #b08d45;
  --paper: #f6f8f9;
  --white: #ffffff;
  --line: #d5e0e4;
  --whatsapp: #25d366;
  --max: 1120px;
  --header: 96px;
}

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

html {
  scroll-behavior: smooth;
}

#top,
#join,
#pillars,
#founder,
#expertise,
#research,
#collaborate,
#contact {
  scroll-margin-top: calc(var(--header) + 12px);
}

body {
  margin: 0;
  font-family: "Roboto", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--navy);
  background: var(--white);
}

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

h1,
h2,
h3,
.brand-name,
.eyebrow,
.btn,
.pillar-index,
.pathway-num,
.cred-label {
  font-family: "Inter", "Segoe UI", sans-serif;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
}

h1 {
  font-size: clamp(2rem, 4.4vw, 3.35rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.55rem, 2.6vw, 2.15rem);
  font-weight: 700;
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--teal-dark);
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--navy);
  color: var(--white);
  padding: 8px 12px;
  z-index: 80;
}

.skip-link:focus {
  top: 12px;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  overflow: visible;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header);
  padding: 10px 0;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--navy);
  flex-shrink: 0;
}

.brand img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  object-position: center;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}

.brand-sub {
  font-size: 0.68rem;
  color: var(--slate);
  letter-spacing: 0.01em;
  max-width: 230px;
  overflow: visible;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav a:not(.btn) {
  text-decoration: none;
  color: var(--navy);
  font-size: 0.92rem;
  font-weight: 500;
  font-family: "Inter", sans-serif;
}

.site-nav a:not(.btn):hover,
.site-nav a:not(.btn):focus-visible {
  color: var(--teal);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--white);
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
}

/* Buttons — gold reserved for high-priority CTAs */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 12px 20px;
  line-height: 1.2;
}

.btn-gold {
  background: var(--gold);
  color: var(--navy-deep);
}

.btn-gold:hover,
.btn-gold:focus-visible {
  background: var(--gold-hover);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--teal);
  color: var(--teal-dark);
}

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

.btn-navy:hover,
.btn-navy:focus-visible {
  background: var(--teal-dark);
}

.btn-nav {
  padding: 10px 14px;
  font-size: 0.82rem;
  white-space: nowrap;
}

.btn-icon svg {
  flex-shrink: 0;
}

/* Hero */

.hero {
  background: var(--paper);
  padding: 72px 0 88px;
  border-bottom: 4px solid var(--teal);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.eyebrow-light {
  color: #8fd4cf;
}

.lead {
  font-size: 1.08rem;
  color: var(--slate);
  max-width: 42rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
  border-radius: 16px;
}

.card-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: var(--teal);
  background: var(--teal-soft);
  flex-shrink: 0;
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

.value-band {
  background: var(--navy);
  color: #d5e4ec;
  padding: 56px 0;
}

.value-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 28px;
}

.value-band h2 {
  color: var(--white);
  margin-bottom: 8px;
}

.value-copy p {
  margin: 0;
  max-width: 40rem;
}

.value-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.value-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 22px 20px;
  min-height: 100%;
}

.value-card p {
  margin: 14px 0 0;
  color: var(--white);
  font-family: "Inter", sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.45;
}

.value-card .card-icon {
  background: rgba(23, 140, 133, 0.22);
  color: #8fd4cf;
}

/* Sections */

.hero,
.section {
  scroll-margin-top: calc(var(--header) + 12px);
}

.section {
  padding: 88px 0;
}

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

.section-head {
  max-width: 760px;
  margin-bottom: 40px;
}

.section-intro,
.section-kicker {
  color: var(--slate);
  font-weight: 400;
}

.section-kicker {
  color: var(--navy);
  font-size: 1.2rem;
  margin-top: -4px;
}

/* Pillars */

.pillar-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 32px;
}

.pillar-card {
  padding: 28px 24px 26px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(14, 57, 94, 0.06);
}

.pillar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.pillar-index {
  display: block;
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.pillar-card h3 {
  margin-bottom: 10px;
}

.pillar-card p {
  color: var(--slate);
  margin: 0;
}

/* Founder */

.founder-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.founder-photo {
  position: relative;
  width: min(420px, 100%);
  aspect-ratio: 1;
  margin-inline: auto;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--teal);
  background:
    radial-gradient(circle at 40% 28%, #f4fbfb 0%, #d7eef0 42%, #b9dce4 100%);
}

.founder-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 28%;
  transform: scale(1.22);
  transform-origin: center 30%;
  display: block;
}

.title-badge {
  display: inline-block;
  margin: 0 0 8px;
  padding: 6px 12px;
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-family: "Inter", sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.founder-copy .role {
  color: var(--slate);
  font-weight: 500;
  margin-top: 0;
}

blockquote {
  margin: 20px 0 24px;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--teal);
}

blockquote p {
  font-family: "Inter", sans-serif;
  font-size: 1.12rem;
  font-weight: 600;
  font-style: italic;
  color: var(--navy);
  margin: 0;
}

/* Credentials */

.cred-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.cred-card {
  background: var(--paper);
  padding: 24px;
  border-left: 3px solid var(--teal);
}

.section-alt .cred-card,
.cred-grid .cred-card {
  background: var(--white);
}

.cred-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 8px;
}

.cred-card h3,
.proficiency h3 {
  margin-bottom: 8px;
}

.cred-card p {
  color: var(--slate);
  margin: 0;
}

.proficiency {
  max-width: 860px;
}

.prof-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}

.prof-list li {
  padding: 18px 0;
  border-top: 1px solid var(--line);
  color: var(--slate);
}

.prof-list strong {
  display: block;
  color: var(--navy);
  font-family: "Inter", sans-serif;
  margin-bottom: 4px;
}

.prof-list em {
  font-style: normal;
  color: var(--teal-dark);
  font-weight: 500;
}

/* Research */

.research-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.research-block {
  padding: 36px;
  background: var(--white);
  border-top: 3px solid var(--teal);
}

.research-block-navy {
  background: var(--navy);
  color: var(--white);
  border-top-color: var(--gold);
}

.research-block-navy p {
  color: #d5e4ec;
}

/* Collaboration */

.pathway-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 48px;
}

.pathway {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px;
}

.pathway-num {
  grid-row: 1 / span 2;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-weight: 700;
}

.pathway h3 {
  margin: 4px 0 8px;
}

.pathway p {
  margin: 0;
  color: var(--slate);
}

.panel {
  background: var(--paper);
  padding: 36px;
  border: 1px solid var(--line);
}

.panel h3 {
  margin-bottom: 20px;
}

/* Forms */

.form {
  display: grid;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form label {
  display: grid;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  font-family: "Inter", sans-serif;
}

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

.form input,
.form select,
.form textarea {
  font: inherit;
  color: var(--navy);
  border: 1px solid var(--line);
  background: var(--white);
  padding: 11px 12px;
  width: 100%;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
  border-color: var(--teal);
}

.honeypot {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}

.form-status {
  margin: 0;
  padding: 12px 14px;
  background: var(--teal-soft);
  color: var(--navy);
  border-left: 3px solid var(--teal);
}

.form-status.is-error {
  background: #f8e8e8;
  border-left-color: #b42318;
}

.form button {
  justify-self: start;
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
}

.contact-aside {
  display: grid;
  gap: 20px;
}

.contact-channels {
  display: grid;
  gap: 12px;
}

.channel {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
  color: var(--navy);
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.channel-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  font-family: "Inter", sans-serif;
  font-weight: 600;
}

.booking-panel {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 24px;
}

.booking-panel h3 {
  margin-bottom: 8px;
}

.booking-panel p {
  color: var(--slate);
}

.slot-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  margin-top: 12px;
}

.slot-row span {
  flex: 1;
  border: 1px solid var(--line);
  padding: 8px 6px;
  font-size: 0.82rem;
  font-family: "Inter", sans-serif;
  color: var(--navy);
  white-space: nowrap;
  text-align: center;
}

.slot-active {
  border-color: var(--teal) !important;
  background: var(--teal-soft);
}

.slot-note {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--slate);
}

.newsletter {
  padding-top: 8px;
}

.newsletter > p {
  color: var(--slate);
}

/* Footer */

.site-footer {
  background: var(--navy);
  color: #d5e4ec;
  padding: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding: 48px 0 36px;
}

.footer-brand p {
  margin: 14px 0 0;
  max-width: 22rem;
}

.brand-footer {
  color: var(--white);
}

.brand-footer img {
  width: 40px;
  height: 40px;
}

.brand-footer .brand-sub {
  color: #9bb6c4;
}

.footer-col {
  display: grid;
  align-content: start;
  gap: 8px;
}

.footer-col h3 {
  color: var(--white);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 6px;
}

.footer-col a {
  color: #d5e4ec;
  text-decoration: none;
  font-size: 0.95rem;
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: var(--white);
}

.footer-bar {
  border-top: 1px solid #1d4d6e;
  padding: 16px 0;
}

.copyright {
  font-size: 0.85rem;
  color: #9bb6c4;
  margin: 0;
}

/* WhatsApp */

.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 50;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: var(--white);
  display: grid;
  place-items: center;
}

.wa-float:hover,
.wa-float:focus-visible {
  background: #1ebe5d;
}

/* Mobile */

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: var(--header);
    background: var(--white);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
    gap: 0;
  }

  .site-nav.is-open {
    display: flex;
    z-index: 45;
  }

  .site-nav a {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }

  .site-nav .btn-nav {
    margin-top: 12px;
    width: 100%;
  }

  .hero-grid,
  .founder-grid,
  .research-grid,
  .contact-grid,
  .pillar-grid,
  .pathway-grid,
  .cred-grid,
  .form-row,
  .value-head,
  .value-cards,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .value-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding: 48px 0 56px;
  }

  .value-band-inner .btn {
    justify-self: start;
  }

  .section {
    padding: 64px 0;
  }

  .panel {
    padding: 24px;
  }

  .form button {
    width: 100%;
    justify-self: stretch;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(var(--max), calc(100% - 28px));
  }

  .brand-sub {
    display: none;
  }

  .hero-actions .btn {
    width: 100%;
  }
}