:root {
  --bg: #0c0c0c;
  --text: #ffffff;
  --gold: #d9a404;
  --blue: #0000ee;
  --gray: #6e7191;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Hero */
.hero {
  padding: 96px 0 72px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-grid.container {
  max-width: 1080px;
}

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

.hero-left {
  flex: 1;
  min-width: 0;
}

.hero-right {
  flex: 1;
  min-width: 0;
}

.hero-cta {
  margin-top: 28px;
}

.browser-mockup {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background-color: #161616;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background-color: #1f1f1f;
}

.browser-bar .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #4b4b4b;
}

.browser-body.placeholder {
  border: none;
  border-radius: 0;
  aspect-ratio: 16 / 10;
  margin: 0;
}

@media (min-width: 769px) {
  .hero-grid {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.eyebrow {
  color: var(--gold);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 20px;
}

.hero h1 {
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 20px;
  max-width: 14ch;
}

.subhead {
  color: var(--gray);
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  font-weight: 400;
  margin: 0;
  max-width: 42ch;
}

/* Intro / Checklist */
.intro {
  padding: 64px 0;
}

.intro h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 600;
  margin: 0 0 20px;
}

.intro p {
  color: var(--gray);
  font-size: 1.05rem;
  margin: 0 0 28px;
  max-width: 60ch;
}

.bullet-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bullet-list li {
  position: relative;
  padding-left: 28px;
  font-size: 1.02rem;
  font-weight: 500;
}

.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  background-color: var(--gold);
  border-radius: 2px;
}

/* Screenshot */
.screenshot {
  padding: 24px 0 64px;
}

.placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px dashed rgba(255, 255, 255, 0.25);
  background-color: #161616;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  gap: 8px;
}

.placeholder-label {
  color: var(--text);
  font-weight: 600;
  font-size: 1rem;
}

.placeholder-sub {
  color: var(--gray);
  font-size: 0.85rem;
}

.caption {
  color: var(--gray);
  font-size: 0.9rem;
  text-align: center;
  margin: 16px 0 0;
}

/* About */
.about {
  padding: 24px 0 64px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.about h2 {
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 600;
  margin: 0 0 32px;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

@media (min-width: 769px) {
  .about-content {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }
}

.about-media {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  flex: 0 0 auto;
}

@media (min-width: 769px) {
  .about-media {
    flex: 0 0 180px;
  }
}

.avatar-placeholder {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.25);
  background-color: #161616;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 12px;
  gap: 4px;
}

.avatar-placeholder .placeholder-label {
  font-size: 0.85rem;
}

.avatar-placeholder .placeholder-sub {
  font-size: 0.68rem;
  line-height: 1.3;
}

.linkedin-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.92rem;
}

.linkedin-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}

.linkedin-link:hover,
.linkedin-link:focus-visible {
  text-decoration: underline;
}

.linkedin-link:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.about-text {
  flex: 1;
  min-width: 0;
}

.about-text p {
  color: var(--gray);
  font-size: 1.02rem;
  margin: 0 0 24px;
  max-width: 60ch;
}

.about-text .cta-button {
  margin-top: 0;
}

/* CTA */
.cta-section {
  padding: 24px 0 96px;
  text-align: center;
}

.cta-button {
  display: inline-block;
  background-color: var(--gold);
  color: #0c0c0c;
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  padding: 18px 40px;
  border-radius: 6px;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.cta-button:hover,
.cta-button:focus-visible {
  opacity: 0.9;
  transform: translateY(-1px);
}

.cta-button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

@media (max-width: 480px) {
  .hero {
    padding: 64px 0 48px;
  }

  .intro,
  .screenshot,
  .about {
    padding-top: 16px;
    padding-bottom: 48px;
  }

  .cta-section {
    padding-bottom: 72px;
  }

  .cta-button {
    width: 100%;
  }
}