:root {
  --ink: #102033;
  --ink-soft: #3a4d63;
  --paper: #e8eef4;
  --paper-deep: #d4e0ec;
  --sky: #4f8fd8;
  --sky-deep: #2f6bb5;
  --forest: #1a6b5c;
  --sand: #c9b8a0;
  --veil: rgba(10, 24, 40, 0.52);
  --header-h: 4.25rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Sora", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  background:
    radial-gradient(1200px 700px at 10% -10%, rgba(79, 143, 216, 0.22), transparent 55%),
    radial-gradient(900px 600px at 100% 20%, rgba(26, 107, 92, 0.14), transparent 50%),
    linear-gradient(165deg, #f2f6fa 0%, #e4ecf4 42%, #dfe8e4 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.65rem 1rem;
  background: var(--ink);
  color: #fff;
  border-radius: 0.35rem;
}

.skip-link:focus {
  top: 1rem;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  transition: background 0.35s var(--ease), backdrop-filter 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(232, 238, 244, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(16, 32, 51, 0.08);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: #fff;
  transition: color 0.3s var(--ease);
}

.site-header.is-scrolled .logo,
.site-header.is-scrolled .nav a {
  color: var(--ink);
}

.nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  transition: color 0.25s var(--ease), opacity 0.25s;
}

.nav a:hover {
  opacity: 0.75;
}

.nav-cta {
  padding: 0.45rem 0.95rem;
  border: 1px solid currentColor;
  border-radius: 999px;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 1.35rem;
  height: 2px;
  background: #fff;
  margin-left: auto;
  transition: background 0.3s, transform 0.3s var(--ease);
}

.site-header.is-scrolled .menu-toggle span {
  background: var(--ink);
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 auto;
  z-index: 49;
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.5rem 1.5rem;
  background: rgba(232, 238, 244, 0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(16, 32, 51, 0.08);
}

.mobile-nav.is-open {
  display: flex;
}

.mobile-nav a {
  padding: 0.85rem 0;
  font-weight: 500;
  font-size: 1.05rem;
  border-bottom: 1px solid rgba(16, 32, 51, 0.08);
}

@media (min-width: 860px) {
  .nav {
    display: flex;
  }

  .menu-toggle,
  .mobile-nav {
    display: none !important;
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  transform: scale(1.04);
  animation: hero-zoom 12s var(--ease) both;
}

@keyframes hero-zoom {
  from {
    transform: scale(1.12);
    filter: saturate(0.85);
  }
  to {
    transform: scale(1.04);
    filter: saturate(1);
  }
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(8, 20, 36, 0.78) 0%, rgba(8, 20, 36, 0.45) 48%, rgba(8, 20, 36, 0.22) 100%),
    linear-gradient(to top, rgba(8, 20, 36, 0.72) 0%, transparent 45%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  padding: calc(var(--header-h) + 3rem) 1.5rem 5.5rem;
}

.hero-brand {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.75rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.hero-title {
  margin: 0 0 1rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.2vw, 2.15rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: rgba(255, 255, 255, 0.94);
}

.hero-lede {
  margin: 0 0 1.85rem;
  max-width: 36ch;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  font-weight: 300;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.82);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  z-index: 2;
  width: 1.5rem;
  height: 2.25rem;
  margin-left: -0.75rem;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
}

.scroll-cue span {
  position: absolute;
  left: 50%;
  top: 0.4rem;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  border-radius: 50%;
  background: #fff;
  animation: cue 1.8s var(--ease) infinite;
}

@keyframes cue {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(12px);
    opacity: 0;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 999px;
  border: 1.5px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s, border-color 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--sky);
  color: #fff;
  border-color: var(--sky);
}

.btn-primary:hover {
  background: var(--sky-deep);
  border-color: var(--sky-deep);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.contact .btn-ghost {
  color: var(--ink);
  border-color: rgba(16, 32, 51, 0.28);
}

.contact .btn-ghost:hover {
  background: rgba(16, 32, 51, 0.05);
}

/* Sections */
.section {
  padding: clamp(4.5rem, 10vw, 7.5rem) 0;
}

.section-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--forest);
}

.section-title {
  margin: 0 0 1.25rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.85rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.section-lede {
  margin: 0 0 2.75rem;
  max-width: 42rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* About */
.about-grid {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 800px) {
  .about-grid {
    grid-template-columns: 1fr 1.15fr;
    gap: 3rem;
    align-items: start;
  }
}

.about-lead {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.about-body p {
  margin: 0 0 1.15rem;
  color: var(--ink-soft);
}

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

/* Impact list */
.impact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(16, 32, 51, 0.12);
}

.impact-item {
  display: grid;
  gap: 0.75rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid rgba(16, 32, 51, 0.12);
}

@media (min-width: 700px) {
  .impact-item {
    grid-template-columns: 4.5rem 1fr;
    gap: 1.5rem;
    align-items: start;
  }
}

.impact-index {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--sky-deep);
  letter-spacing: -0.02em;
}

.impact-item h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.impact-item p {
  margin: 0;
  max-width: 48rem;
  color: var(--ink-soft);
}

/* Expertise bands */
.expertise-bands {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 800px) {
  .expertise-bands {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.band {
  padding-top: 1.25rem;
  border-top: 2px solid var(--sky);
}

.band h3 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.band ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.band li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(16, 32, 51, 0.08);
}

.band li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--forest);
}

.band li:last-child {
  border-bottom: 0;
}

/* Credentials */
.credentials {
  padding-top: 0;
}

.credentials-inner {
  display: grid;
  gap: 2.5rem;
  padding: clamp(2.5rem, 5vw, 3.5rem);
  background:
    linear-gradient(135deg, rgba(79, 143, 216, 0.12), rgba(26, 107, 92, 0.1)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.28));
  border: 1px solid rgba(16, 32, 51, 0.08);
}

@media (min-width: 860px) {
  .credentials-inner {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 3rem;
  }
}

.credentials-copy p:last-child {
  margin: 0;
  color: var(--ink-soft);
  max-width: 36rem;
}

.credential-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.credential-stats li {
  display: grid;
  gap: 0.2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(16, 32, 51, 0.1);
}

.credential-stats li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--sky-deep);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

/* Contact */
.contact {
  padding-bottom: clamp(5rem, 12vw, 8rem);
}

.contact-inner {
  max-width: 40rem;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(16, 32, 51, 0.1);
  padding: 1.75rem 0;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

.footer-inner p {
  margin: 0;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero .reveal:nth-child(1) {
  transition-delay: 0.08s;
}
.hero .reveal:nth-child(2) {
  transition-delay: 0.18s;
}
.hero .reveal:nth-child(3) {
  transition-delay: 0.28s;
}
.hero .reveal:nth-child(4) {
  transition-delay: 0.38s;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-media img,
  .scroll-cue span,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}