/* ==========================================================================
   Tokens
   ========================================================================== */

:root {
  --bg: #F9F9FF;
  --surface: #FFFFFF;
  --ink: #141B2B;
  --ink-soft: #3F4942;
  --ink-faint: #6F7A71;
  --border: #DCE2F7;
  --blue: #005DB6;
  --blue-hover: #005232;
  --green: #005232;
  --green-light: #006D44;
  --mint: #9CF5C1;
  --chip: #E9EDFF;

  --font: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --gutter: clamp(20px, 5vw, 64px);
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, ul {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

a {
  color: var(--blue);
  text-decoration: none;
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: #fff;
  padding: 12px 20px;
  border-radius: 0 0 8px 0;
}

.skip-link:focus {
  left: 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 600 15px/1 var(--font);
  border-radius: 50px;
  padding: 10px 18px;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease, transform .15s ease;
  white-space: nowrap;
}

.btn--fill {
  background: var(--green);
  color: #fff;
}

.btn--fill:hover {
  background: var(--green-light);
  color: #fff;
}

.btn--outline {
  border: 2px solid var(--blue);
  color: var(--blue);
  padding: 8px 16px;
}

.btn--outline:hover {
  background: var(--blue);
  color: #fff;
}

.btn--primary {
  background: linear-gradient(90deg, var(--green), var(--green-light));
  color: #fff;
  border-radius: 4px;
  padding: 16px 28px;
  font-size: 18px;
}

.btn--primary:hover {
  transform: translateY(-1px);
  color: #fff;
}

.btn--lg {
  border-radius: 4px;
  padding: 16px 28px;
  font-size: 18px;
}

/* ==========================================================================
   Nav
   ========================================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(249, 249, 255, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--gutter);
}

.nav__logo {
  font: 800 20px/1 var(--font);
  color: var(--ink);
}

.nav__logo:hover {
  color: var(--ink);
  opacity: .8;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav__links > a:not(.btn) {
  font: 600 15px/1 var(--font);
  color: var(--ink);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

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

  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 12px var(--gutter) 20px;
    display: none;
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__links > a:not(.btn) {
    padding: 10px 4px;
  }

  .nav__links .btn {
    justify-content: center;
    margin-top: 6px;
  }

  .nav__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: clamp(56px, 10vw, 96px) var(--gutter) 64px;
  max-width: var(--max);
  margin: 0 auto;
}

.eyebrow {
  font: 600 14px/16px var(--font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}

.hero h1 {
  font: 800 clamp(36px, 6vw, 64px)/1.08 var(--font);
  color: var(--ink);
  max-width: 920px;
  text-wrap: pretty;
}

.hero__lede {
  font: 400 20px/1.5 var(--font);
  color: var(--ink-soft);
  max-width: 640px;
}

.hero__ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* ==========================================================================
   Stack
   ========================================================================== */

.stack {
  padding: 32px var(--gutter) 64px;
  max-width: var(--max);
  margin: 0 auto;
}

.section-label {
  font: 600 14px/16px var(--font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.section-label--accent {
  color: var(--blue);
  margin-bottom: 12px;
}

.stack__list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.stack__list li {
  padding: 12px 20px;
  border-radius: 50px;
  background: var(--chip);
  color: var(--ink);
  font: 600 16px/1 var(--font);
}

/* ==========================================================================
   Panels (leadership / proof)
   ========================================================================== */

.panel {
  padding: 64px var(--gutter);
  background: var(--surface);
}

.panel__inner {
  max-width: var(--max);
  margin: 0 auto;
}

.panel h2 {
  font: 700 32px/1.2 var(--font);
  color: var(--ink);
  margin-bottom: 12px;
}

.section-lede {
  font: 400 18px/1.6 var(--font);
  color: var(--ink-soft);
  max-width: 640px;
  margin-bottom: 40px;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.pillar {
  background: var(--bg);
  border-radius: 28px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pillar__icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: var(--mint);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
}

.pillar h3 {
  font: 700 20px/1.3 var(--font);
  color: var(--ink);
}

.pillar p {
  font: 400 16px/1.5 var(--font);
  color: var(--ink-soft);
}

/* ==========================================================================
   Case study / phone mockup
   ========================================================================== */

.case-study {
  padding: 64px var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
}

.case-study h2 {
  font: 700 32px/1.2 var(--font);
  color: var(--ink);
  margin-bottom: 12px;
  max-width: 720px;
}

.case-study .section-lede {
  margin-bottom: 40px;
}

.case-study__demo {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.phone {
  width: 320px;
  height: 650px;
  flex-shrink: 0;
  border-radius: 18px;
  overflow: hidden;
  background: #f4fbf8;
  border: 8px solid rgba(116, 119, 117, 0.5);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
}

.phone__statusbar {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  position: relative;
  color: #171d1b;
  flex-shrink: 0;
}

.phone__time {
  font: 400 14px/20px Roboto, var(--font);
  letter-spacing: 0.25px;
}

.phone__camera {
  position: absolute;
  left: 50%;
  top: 8px;
  transform: translateX(-50%);
  width: 24px;
  height: 24px;
  border-radius: 100px;
  background: #2e2e2e;
}

.phone__status-icons {
  display: flex;
  align-items: center;
  gap: 2px;
}

.phone__appbar {
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 4px;
}

.phone__appbar-dot {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  position: relative;
}

.phone__appbar-dot::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #49454f;
  opacity: 0.3;
}

.phone__appbar-title {
  flex: 1;
  text-align: center;
  font: 400 20px/1 Roboto, var(--font);
  color: #171d1b;
}

.phone__content {
  flex: 1;
  overflow: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--bg);
}

.phone__screen {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.phone__screen[hidden] {
  display: none;
}

.phone__eyebrow {
  font: 600 13px/16px var(--font);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.phone__eyebrow--light {
  color: #fff;
  opacity: 0.8;
}

.phone__card {
  background: #fff;
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.phone__card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.phone__card-title {
  font: 700 17px/1.3 var(--font);
  color: var(--ink);
}

.phone__card-status {
  font: 600 13px/1 var(--font);
  color: var(--green);
}

.phone__progress {
  height: 8px;
  border-radius: 50px;
  background: var(--mint);
  overflow: hidden;
}

.phone__progress span {
  display: block;
  height: 100%;
  border-radius: 50px;
  background: var(--green);
  transition: width .4s ease;
}

.phone__hero-card {
  background: var(--green);
  border-radius: 20px;
  padding: 24px;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.phone__hero-title {
  font: 800 26px/1.2 var(--font);
}

.phone__hero-body {
  font: 400 15px/1.5 var(--font);
  opacity: 0.9;
}

.phone__row {
  display: flex;
  justify-content: space-between;
  padding: 16px 20px;
  background: #fff;
  border-radius: 16px;
  font: 400 15px/1.4 var(--font);
  color: var(--ink-soft);
}

.phone__row strong {
  font: 700 15px/1.4 var(--font);
  color: var(--ink);
}

.phone__stat {
  background: #fff;
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.phone__stat-label {
  font: 600 13px/16px var(--font);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue);
}

.phone__stat-value {
  font: 800 24px/1.2 var(--font);
  color: var(--ink);
}

.phone__navbar {
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone__navbar span {
  width: 108px;
  height: 4px;
  border-radius: 2px;
  background: #171d1b;
  opacity: 0.4;
}

.screen-picker {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 8px;
  min-width: 220px;
  flex: 1;
}

.screen-picker__item {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: 16px;
  background: transparent;
  border: 0;
  text-align: left;
  font-family: var(--font);
  transition: background-color .15s ease;
}

.screen-picker__item.is-active {
  background: var(--chip);
}

.screen-picker__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
  transition: background-color .15s ease;
}

.screen-picker__item.is-active .screen-picker__dot {
  background: var(--green);
}

.screen-picker__title {
  display: block;
  font: 700 16px/1.3 var(--font);
  color: var(--ink);
}

.screen-picker__subtitle {
  display: block;
  font: 400 14px/1.4 var(--font);
  color: var(--ink-soft);
}

/* ==========================================================================
   Experience / proof
   ========================================================================== */

.experience {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.company__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.company__badge {
  font: 700 15px/1 var(--font);
  padding: 10px 18px;
  border-radius: 50px;
  color: #fff;
}

.company__badge--blue {
  background: var(--blue);
}

.company__badge--green {
  background: var(--green);
}

.company__badge--ink {
  background: var(--ink);
}

.company__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font: 600 14px/1 var(--font);
}

.company__link {
  color: var(--blue);
}

.company__dates {
  color: var(--ink-faint);
}

.app-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.app-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
}

.app-item--inactive {
  opacity: 0.7;
}

.app-item__mark {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font: 700 15px/1 var(--font);
  color: #fff;
}

.app-item__mark--blue {
  background: var(--blue);
}

.app-item__mark--green {
  background: var(--green);
}

.app-item__mark--ink {
  background: var(--ink);
}

.app-item__thumb {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 10px;
  object-fit: cover;
}

.app-item__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.app-item__body > a,
.app-item__body > span:first-child {
  font: 700 15px/1.3 var(--font);
  color: var(--ink);
}

.app-item__body > a:hover {
  color: var(--blue);
}

.app-item__desc {
  font: 400 13px/1.4 var(--font);
  color: var(--ink-soft);
}

.app-item__tag {
  font: 600 11px/1 var(--font);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  font-style: normal;
  margin-left: 6px;
}

.repos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.repo-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--ink);
  transition: border-color .15s ease;
}

.repo-card:hover {
  border-color: var(--blue);
  color: var(--ink);
}

.repo-card__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.repo-card__name {
  font: 700 17px/1.3 var(--font);
  color: var(--ink);
}

.repo-card__row svg {
  color: var(--blue);
  flex-shrink: 0;
}

.repo-card__desc {
  font: 400 15px/1.5 var(--font);
  color: var(--ink-soft);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  padding: 56px var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  max-width: var(--max);
  margin: 0 auto;
}

.footer h2 {
  font: 700 28px/1.3 var(--font);
  color: var(--ink);
}

.footer p {
  font: 400 17px/1.5 var(--font);
  color: var(--ink-soft);
}

.footer__ctas {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.footer__ctas .btn--fill,
.footer__ctas .btn--outline {
  padding: 14px 24px;
  border-radius: 4px;
}

.footer__copyright {
  font: 400 14px/1.4 var(--font);
  color: var(--ink-faint);
  margin-top: 24px;
}

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s ease, transform .5s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   Print
   ========================================================================== */

@media print {
  .nav, .nav__toggle, .phone__navbar {
    display: none;
  }
}