/*
 * Minimal portfolio theme inspired by Apple aesthetic
 */

:root {
  --color-bg: #f5f5f7;
  --color-surface: rgba(255, 255, 255, 0.82);
  --color-surface-strong: #ffffff;
  --color-text: #101010;
  --color-text-muted: rgba(16, 16, 16, 0.64);
  --color-accent: #0071e3;
  --color-border: rgba(0, 0, 0, 0.08);
  --shadow-soft: 0 20px 40px rgba(15, 15, 15, 0.08);
  --shadow-card: 0 35px 60px rgba(15, 15, 15, 0.12);
  --font-sans: "SF Pro Display", "SF Pro Text", -apple-system,
    BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1120px;
  --transition: 200ms ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: radial-gradient(
      circle at top right,
      rgba(255, 255, 255, 0.65),
      transparent 55%
    ),
    linear-gradient(160deg, #f5f5f7 0%, #ececf1 45%, #f8f7fa 100%);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover,
a:focus {
  color: var(--color-accent);
}

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

.page {
  width: min(90vw, var(--max-width));
  margin: 0 auto;
  padding-top: 8rem;
  padding-bottom: 6rem;
}

.eyebrow {
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

h1,
h2,
h3 {
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.8rem, 4vw, 3.6rem);
}

h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
}

h3 {
  font-size: 1.6rem;
}

p {
  color: var(--color-text-muted);
  font-size: 1.03rem;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 5vw;
  backdrop-filter: blur(22px);
  background: rgba(245, 245, 247, 0.86);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  z-index: 100;
}

.site-header.is-scrolled {
  background: rgba(245, 245, 247, 0.94);
  box-shadow: 0 15px 30px rgba(15, 15, 15, 0.06);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.brand-mark {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-role {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.site-nav ul {
  display: flex;
  gap: 1.6rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  padding-bottom: 0.25rem;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-link.is-active {
  border-color: var(--color-text);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 0.25rem;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 1.6rem;
  height: 2px;
  background: var(--color-text);
  border-radius: 999px;
  transition: transform var(--transition);
}

.nav-toggle-bar + .nav-toggle-bar {
  margin-top: 6px;
}

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

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

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  align-items: center;
  margin-bottom: 5rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.hero-summary {
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  font-weight: 500;
  transition: transform var(--transition), box-shadow var(--transition),
    background var(--transition);
  background: transparent;
}

.cta.primary {
  background: var(--color-text);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-soft);
}

.cta.primary:hover,
.cta.primary:focus {
  transform: translateY(-2px);
  background: var(--color-accent);
  box-shadow: var(--shadow-card);
}

.cta:hover,
.cta:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.contact-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  list-style: none;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.hero-visual {
  max-width: 360px;
  justify-self: center;
  padding: 2.4rem;
  border-radius: 28px;
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.hero-visual img {
  filter: drop-shadow(0 25px 45px rgba(15, 15, 15, 0.18));
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.8rem;
  margin-bottom: 5.5rem;
}

.feature-card {
  padding: 2rem;
  border-radius: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.feature-title {
  display: block;
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.feature-copy {
  font-size: 0.98rem;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 3rem;
  max-width: 640px;
}

.timeline {
  display: grid;
  gap: 2rem;
}

.timeline-item {
  padding: 2rem;
  border-radius: 28px;
  background: var(--color-surface-strong);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.timeline-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-weight: 500;
  color: var(--color-text);
}

.timeline-period {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.timeline-summary {
  font-size: 1rem;
}

.work {
  margin-top: 5rem;
}

.work-grid {
  display: grid;
  gap: 2.5rem;
}

.work-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  align-items: center;
  background: var(--color-surface-strong);
  border-radius: 32px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.work-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.work-media {
  position: relative;
}

.work-media img {
  height: 100%;
  object-fit: cover;
}

.work-body {
  padding: 2.5rem 2.5rem 2.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.work-body h3 {
  font-size: 1.5rem;
}

.work-link {
  font-weight: 500;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.work-link::after {
  content: "→";
  transition: transform var(--transition);
}

.work-link:hover::after {
  transform: translateX(4px);
}

.insights {
  margin-top: 5rem;
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.insight-card {
  padding: 2.2rem;
  border-radius: 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.insight-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.insight-card h3 {
  font-size: 1.4rem;
}

.insight-link {
  font-weight: 500;
  color: var(--color-accent);
}

.contact {
  margin-top: 6rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 2.4rem;
  align-items: start;
}

.contact-card {
  padding: 3rem;
  border-radius: 36px;
  background: var(--color-surface-strong);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.contact-form {
  display: grid;
  gap: 1.6rem;
  margin-top: 2rem;
}

.form-status {
  margin-top: 1.5rem;
  padding: 0.9rem 1.2rem;
  border-radius: 16px;
  background: rgba(0, 113, 227, 0.12);
  color: var(--color-text);
  font-size: 0.95rem;
  border: 1px solid rgba(0, 113, 227, 0.2);
}

.form-status.is-error {
  background: rgba(220, 38, 38, 0.12);
  border-color: rgba(220, 38, 38, 0.3);
  color: #8c1c1c;
}

.form-field {
  display: grid;
  gap: 0.75rem;
}

.form-field span {
  font-weight: 500;
  color: var(--color-text);
}

input,
textarea {
  width: 100%;
  padding: 0.9rem 1.15rem;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 0.92);
  font: inherit;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.12);
  outline: none;
}

textarea {
  min-height: 160px;
  resize: vertical;
}

.contact-meta {
  padding: 2.5rem;
  border-radius: 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 7.5rem;
  display: grid;
  gap: 1.4rem;
}

.meta-title {
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-meta ul {
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.site-footer {
  text-align: center;
  padding: 2.5rem 5vw 3.5rem;
  color: rgba(16, 16, 16, 0.5);
  font-size: 0.92rem;
}

/* Responsive */

@media (max-width: 960px) {
  .site-nav {
    position: fixed;
    inset: 4.4rem 5vw auto 5vw;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 18px;
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    transform: translateY(-18px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }

  .site-nav ul {
    flex-direction: column;
    gap: 1.2rem;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-toggle {
    display: grid;
    gap: 6px;
  }

  .page {
    width: 88vw;
  }

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

  .work-body {
    padding: 2rem;
  }

  .contact {
    grid-template-columns: 1fr;
  }

  .contact-meta {
    position: static;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-inline: 1.5rem;
  }

  .page {
    width: 92vw;
    padding-top: 7rem;
  }

  .hero-visual {
    padding: 1.8rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .insight-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 2.4rem;
  }
}