@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap");

:root {
  --navy: #101a2c;
  --navy-light: #1b2a40;
  --cream: #f3f1eb;
  --cream-dark: #e8e6de;
  --lime: #c9f06c;
  --gray: #687382;
  --light-gray: #a0a9b2;
  --line: rgba(16, 26, 44, 0.16);

  --body-font: "Manrope", sans-serif;
  --mono-font: "DM Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--navy);
  font-family: var(--body-font);
}

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

p,
h1,
h2,
h3 {
  margin-top: 0;
}

ul {
  margin: 0;
  padding: 0;
}

.site-header,
main,
.site-footer {
  width: min(1180px, calc(100% - 80px));
  margin: 0 auto;
}

/* Header */

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 12px;
  font-weight: 700;
}

.site-nav a {
  color: var(--gray);
  transition: color 180ms ease;
}

.site-nav a:hover {
  color: var(--navy);
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border: 0;
  background: transparent;
  color: var(--navy);
  cursor: pointer;
  font-family: var(--body-font);
  font-size: 12px;
  font-weight: 700;
}

.menu-toggle span {
  color: #779d37;
  font-size: 18px;
  line-height: 1;
}

/* Shared elements */

.section-heading {
  max-width: 700px;
}

.section-label,
.eyebrow,
.project-status,
.project-type,
.experience-meta,
.experience-tools {
  font-family: var(--mono-font);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section-label {
  color: var(--gray);
}

.section-heading h2 {
  max-width: 680px;
  margin-bottom: 0;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1;
  letter-spacing: -0.08em;
}

.section-heading h2 em,
.hero h1 em,
.contact h2 em {
  color: var(--gray);
  font-family: Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.08em;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  font-size: 12px;
  font-weight: 700;
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

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

.button-primary {
  background: var(--navy);
  color: var(--cream);
}

.button-primary:hover {
  background: var(--navy-light);
}

.button-secondary {
  border-bottom: 1px solid var(--navy);
}

/* Hero */

.hero {
  min-height: 620px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 90px 0 120px;
}

.eyebrow {
  margin-bottom: 28px;
  color: var(--gray);
}

.hero h1 {
  max-width: 850px;
  margin-bottom: 32px;
  font-size: clamp(60px, 10vw, 128px);
  line-height: 0.9;
  letter-spacing: -0.1em;
}

.hero-description {
  max-width: 500px;
  margin-bottom: 34px;
  color: var(--gray);
  font-size: 16px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
}

/* About */

.about {
  padding: 120px 0 140px;
  border-top: 1px solid var(--line);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  margin-top: 58px;
}

.about-lead {
  max-width: 500px;
  margin-bottom: 0;
  font-size: 21px;
  line-height: 1.55;
  letter-spacing: -0.03em;
}

.about-details {
  max-width: 460px;
}

.about-details p {
  color: var(--gray);
  font-size: 14px;
  line-height: 1.75;
}

/* Experience */

.experience {
  padding: 120px 0 140px;
  border-top: 1px solid var(--line);
}

.experience-list {
  margin-top: 72px;
}

.experience-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 45px;
  padding: 42px 0;
  border-top: 1px solid var(--line);
}

.experience-item:last-child {
  border-bottom: 1px solid var(--line);
}

.experience-meta {
  color: var(--gray);
}

.experience-details {
  max-width: 780px;
}

.experience-details h3 {
  margin-bottom: 18px;
  font-size: 28px;
  letter-spacing: -0.06em;
}

.experience-details > p {
  max-width: 700px;
  color: var(--gray);
  font-size: 15px;
  line-height: 1.7;
}

.experience-details ul {
  display: grid;
  gap: 12px;
  margin: 28px 0 30px;
  padding-left: 20px;
  color: var(--gray);
  font-size: 13px;
  line-height: 1.6;
}

.experience-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.experience-tools span {
  padding: 8px 10px;
  border: 1px solid var(--line);
  color: var(--gray);
  background: rgba(255, 255, 255, 0.2);
}

/* Projects */

.projects {
  padding: 120px 0 140px;
  border-top: 1px solid var(--line);
}

.projects-intro {
  max-width: 460px;
  margin: 42px 0 58px;
  color: var(--gray);
  font-size: 15px;
  line-height: 1.7;
}

.project-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.project-card {
  min-height: 330px;
  padding: 24px;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.project-card:hover {
  background: var(--cream-dark);
  transform: translateY(-4px);
}

.project-card-link {
  display: flex;
  flex-direction: column;
  flex: 1;
  color: inherit;
}

.project-number {
  margin-bottom: 42px;
  color: var(--gray);
  font-family: var(--mono-font);
  font-size: 11px;
}

.project-status {
  margin-bottom: 15px;
  color: #779d37;
}

.project-card h3 {
  margin-bottom: 18px;
  font-size: 23px;
  line-height: 1.1;
  letter-spacing: -0.06em;
}

.project-card > p:not(.project-number):not(.project-status) {
  color: var(--gray);
  font-size: 13px;
  line-height: 1.65;
}

.project-type {
  margin-top: auto;
  padding-top: 25px;
  color: var(--gray);
}

/* Contact */

.contact {
  padding: 120px 0;
  border-top: 1px solid var(--line);
}

.contact h2 {
  max-width: 640px;
  margin-bottom: 32px;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.95;
  letter-spacing: -0.09em;
}

.contact h2 em {
  color: var(--navy);
}

.contact-description {
  max-width: 440px;
  margin-bottom: 30px;
  color: var(--gray);
  font-size: 15px;
  line-height: 1.7;
}

/* Footer */

.site-footer {
  display: flex;
  justify-content: space-between;
  padding: 28px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--gray);
  font-family: var(--mono-font);
  font-size: 10px;
}

/* Back to top */

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 20;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: var(--cream);
  cursor: pointer;
  font-family: var(--body-font);
  font-size: 20px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition:
    opacity 180ms ease,
    visibility 180ms ease,
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.back-to-top:hover {
  background: var(--lime);
  color: var(--navy);
  transform: translateY(-2px);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Mobile layout */

@media (max-width: 700px) {
  .site-header,
  main,
  .site-footer {
    width: calc(100% - 40px);
  }

  .site-header {
    position: relative;
    min-height: 74px;
  }

  .menu-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    right: 0;
    z-index: 10;
    min-width: 150px;
    padding: 18px;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    background: var(--cream);
    border: 1px solid var(--line);
    box-shadow: 0 10px 24px rgba(16, 26, 44, 0.12);
    font-size: 11px;
  }

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

  .hero {
    min-height: 560px;
    padding: 80px 0 100px;
  }

  .hero h1 {
    font-size: 68px;
  }

  .hero-description {
    font-size: 14px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .about,
  .experience,
  .projects,
  .contact {
    padding: 84px 0 96px;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 38px;
    margin-top: 40px;
  }

  .about-lead {
    font-size: 18px;
  }

  .experience-list {
    margin-top: 48px;
  }

  .experience-item {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 32px 0;
  }

  .experience-details h3 {
    font-size: 24px;
  }

  .project-list {
    grid-template-columns: 1fr;
  }

  .project-card {
    min-height: 280px;
  }

  .site-footer {
    gap: 16px;
    flex-wrap: wrap;
  }

  .back-to-top {
    right: 20px;
    bottom: 20px;
    width: 42px;
    height: 42px;
  }
}

.menu-toggle {
  display: none;
}

@media (max-width: 700px) {
  .menu-toggle {
    display: flex;
  }
}