:root {
  --ink: #101820;
  --muted: #667085;
  --paper: #f7f4ee;
  --surface: #ffffff;
  --navy: #121a29;
  --navy-2: #1d2b3f;
  --teal: #0f766e;
  --teal-2: #16a394;
  --gold: #c8892b;
  --coral: #c4543f;
  --line: rgba(16, 24, 32, 0.13);
  --shadow: 0 18px 44px rgba(16, 24, 32, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Manrope, Aptos, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 72px;
  padding: 0 42px;
  color: #fff;
  background: rgba(18, 26, 41, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(16px);
  transition: background 160ms ease, min-height 160ms ease;
}

.site-header.is-scrolled {
  min-height: 62px;
  background: rgba(18, 26, 41, 0.92);
}

.brand,
.nav,
.hero-actions,
.contact-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 11px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  background: var(--teal);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 10px;
  font-family: "Space Grotesk", Manrope, sans-serif;
  font-size: 0.76rem;
}

.nav {
  justify-content: center;
  gap: 26px;
}

.nav a,
.nav-action {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 700;
}

.nav a:hover,
.nav a.is-active,
.nav-action:hover {
  color: #fff;
}

.nav-action {
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 10px;
}

.hero {
  min-height: 100svh;
  display: grid;
  align-items: center;
  color: #fff;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(18, 26, 41, 0.98) 0%, rgba(18, 26, 41, 0.92) 48%, rgba(18, 26, 41, 0.72) 100%),
    url("assets/saleh-profile.jpg");
  background-size: cover;
  background-position: center right;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 410px;
  gap: 54px;
  align-items: center;
  width: min(1200px, calc(100% - 84px));
  margin: 0 auto;
  padding: 118px 0 58px;
}

.hero-copy {
  max-width: 770px;
}

.role {
  margin: 0 0 18px;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0.02em;
}

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

h1,
h2 {
  font-family: "Space Grotesk", Manrope, sans-serif;
  letter-spacing: -0.03em;
}

h1 {
  max-width: 840px;
  margin-bottom: 22px;
  font-size: clamp(3.2rem, 7vw, 6.6rem);
  line-height: 0.93;
}

.intro {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.16rem;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-weight: 800;
}

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

.button.primary:hover {
  background: var(--teal-2);
}

.button.secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.28);
}

.button.secondary.light {
  color: var(--ink);
  background: #fff;
  border-color: transparent;
}

.hero-card {
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.hero-card img {
  width: 100%;
  aspect-ratio: 4 / 4.6;
  object-fit: cover;
  object-position: center top;
}

.hero-card-copy {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  padding: 16px;
  color: #fff;
  background: rgba(18, 26, 41, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
}

.hero-card-copy span,
.case-results span,
.impact-strip span {
  display: block;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.86rem;
}

.hero-card-copy strong {
  display: block;
  margin-top: 4px;
  font-size: 1.12rem;
}

.impact-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(1200px, calc(100% - 84px));
  margin: -48px auto 0;
  position: relative;
  z-index: 2;
  color: #fff;
  background: var(--navy-2);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.impact-strip div {
  padding: 22px;
}

.impact-strip div + div {
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.impact-strip strong {
  display: block;
  margin-top: 4px;
  font-family: "Space Grotesk", Manrope, sans-serif;
  font-size: 1.2rem;
}

.section {
  width: min(1120px, calc(100% - 84px));
  margin: 0 auto;
  padding: 104px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1fr);
  gap: 34px;
  align-items: start;
  margin-bottom: 38px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 1;
}

.section-heading p {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.profile-grid p,
.case-main,
.skills-grid article,
.work-grid article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(16, 24, 32, 0.06);
}

.profile-grid p {
  margin: 0;
  padding: 24px;
}

.case-study {
  width: 100%;
  max-width: none;
  padding: 104px max(42px, calc((100% - 1120px) / 2));
  background:
    linear-gradient(115deg, rgba(15, 118, 110, 0.12) 0%, rgba(200, 137, 43, 0.14) 100%),
    #f3eee4;
}

.case-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.72fr);
  gap: 22px;
}

.case-main {
  padding: 28px;
}

.case-main h3,
.experience-body h3,
.skills-grid h3,
.work-grid h3 {
  margin-bottom: 8px;
  font-size: 1.25rem;
}

.case-main p:last-child {
  margin-bottom: 0;
}

.project-link-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 18px;
  align-items: center;
  margin-top: 26px;
  padding: 18px;
  color: var(--ink);
  background: #f8faf9;
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: border-color 160ms ease, background 160ms ease;
}

.project-link-card:hover {
  background: #fff;
  border-color: rgba(15, 118, 110, 0.42);
}

.project-link-label,
.project-link-url {
  color: var(--muted);
  font-size: 0.9rem;
}

.project-link-card strong {
  font-family: "Space Grotesk", Manrope, sans-serif;
  font-size: 1.35rem;
}

.project-link-url {
  grid-column: 1;
}

.project-link-action {
  grid-row: 1 / span 3;
  grid-column: 2;
  align-self: center;
  padding: 9px 12px;
  color: #fff;
  background: var(--teal);
  border-radius: 8px;
  font-weight: 800;
}

.case-results {
  display: grid;
  background: var(--navy);
  border-radius: 14px;
  overflow: hidden;
  color: #fff;
}

.case-results div {
  padding: 28px;
}

.case-results div + div {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.case-results strong {
  display: block;
  margin-top: 5px;
  color: #fff;
  font-family: "Space Grotesk", Manrope, sans-serif;
  font-size: 1.55rem;
}

.experience-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.experience-item {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 34px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.date {
  color: var(--teal);
  font-weight: 800;
}

.company {
  margin: 0 0 12px;
  color: var(--muted);
  font-weight: 800;
}

ul {
  margin: 0;
  padding-left: 20px;
}

li + li {
  margin-top: 8px;
}

.skills-grid,
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.skills-grid article,
.work-grid article {
  padding: 24px;
}

.skills-grid p,
.work-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.selected-work {
  padding-top: 34px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 70px max(42px, calc((100% - 1120px) / 2));
  color: #fff;
  background: var(--navy);
}

.contact-section h2 {
  max-width: 720px;
  margin-bottom: 8px;
  font-size: clamp(2rem, 4vw, 3rem);
}

.contact-section p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.contact-actions {
  flex-wrap: wrap;
  justify-content: end;
  gap: 10px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px max(42px, calc((100% - 1120px) / 2));
  background: #fff;
  color: var(--muted);
}

.footer p {
  margin: 0;
}

.footer a {
  color: var(--teal);
  font-weight: 800;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 18px;
  }

  .nav {
    display: none;
  }

  .hero-inner,
  .section,
  .impact-strip {
    width: min(100% - 36px, 1120px);
  }

  .hero-inner,
  .section-heading,
  .profile-grid,
  .case-layout,
  .experience-item,
  .skills-grid,
  .work-grid,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    background:
      linear-gradient(180deg, rgba(18, 26, 41, 0.96) 0%, rgba(18, 26, 41, 0.88) 100%),
      url("assets/saleh-profile.jpg");
    background-position: center top;
  }

  .hero-inner {
    padding-top: 104px;
  }

  .hero-card {
    max-width: 460px;
  }

  .hero-card img {
    aspect-ratio: 16 / 11;
  }

  .impact-strip {
    grid-template-columns: 1fr;
    margin-top: 0;
  }

  .impact-strip div + div {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .case-study,
  .contact-section {
    padding-inline: 18px;
  }

  .contact-actions {
    justify-content: start;
  }
}

@media (max-width: 560px) {
  .brand span:last-child {
    display: none;
  }

  .site-header {
    min-height: 60px;
  }

  h1 {
    font-size: 2.6rem;
  }

  .role {
    font-size: 0.92rem;
  }

  .hero-actions,
  .contact-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .section,
  .case-study {
    padding-block: 70px;
  }

  .profile-grid p,
  .case-main,
  .skills-grid article,
  .work-grid article {
    padding: 20px;
  }

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

  .project-link-action {
    grid-row: auto;
    grid-column: auto;
    justify-self: start;
    margin-top: 10px;
  }

  .footer {
    flex-direction: column;
    padding-inline: 18px;
  }
}