:root {
  color-scheme: dark;
  --bg: #0f172a;
  --surface: #111827;
  --surface-soft: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --shadow: 0 24px 80px rgba(15, 23, 42, 0.3);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 20%),
    radial-gradient(circle at bottom right, rgba(236, 72, 153, 0.08), transparent 20%),
    linear-gradient(180deg, #020617 0%, #0f172a 100%);
  color: var(--text);
}

img {
  max-width: 100%;
}

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

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.page-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(15, 23, 42, 0.82);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
}

.brand {
  font-weight: 800;
  letter-spacing: -0.04em;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 0.25s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.section {
  padding: 5rem 0;
}

.hero {
  padding-top: 3rem;
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 1fr);
}

.hero-copy .eyebrow,
.section-intro .eyebrow {
  display: inline-flex;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.hero-copy h1,
.section-intro h2,
.about-section h2,
.contact-section h2 {
  font-size: clamp(2.5rem, 4vw, 3.6rem);
  line-height: 1.02;
  margin: 0;
}

.hero-text,
.section-intro p,
.about-section p,
.contact-section p,
.service-card p,
.project-content p,
.about-highlight p {
  color: var(--muted);
  line-height: 1.75;
  max-width: 48rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.7rem;
  border-radius: 999px;
  border: none;
  font-weight: 700;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #0f172a;
}

.button.secondary {
  background: rgba(148, 163, 184, 0.12);
  color: var(--text);
}

.hero-card {
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}

.hero-card-inner h2 {
  margin-top: 0;
  margin-bottom: 1rem;
}

.hero-card-inner ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.9rem;
}

.hero-card-inner li {
  color: var(--text);
}

.section-intro {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}

.cards-grid,
.portfolio-grid,
.review-grid,
.contact-grid {
  display: grid;
  gap: 1.5rem;
}

.cards-grid,
.review-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card,
.project-card,
.about-highlight,
.contact-info {
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.12);
  padding: 1.8rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.service-card h3,
.project-content h3,
.contact-info h3 {
  margin-top: 0;
}

.portfolio-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.review-card,
.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 320px;
}

.review-card {
  padding: 1.8rem;
}

.review-card p {
  color: var(--muted);
  line-height: 1.8;
  margin: 0 0 1.5rem;
}

.review-author {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.review-author strong {
  color: var(--text);
}

.review-author span {
  color: var(--muted);
}

.project-image {
  min-height: 180px;
  border-radius: 24px;
  background-size: cover;
  background-position: center;
  margin-bottom: 1.25rem;
  border: 2px dashed rgba(148, 163, 184, 0.45);
  display: grid;
  place-items: center;
  position: relative;
}

.image-placeholder {
  color: rgba(226, 232, 240, 0.9);
  font-weight: 600;
  background: rgba(15, 23, 42, 0.75);
  padding: 0.65rem 1rem;
  border-radius: 999px;
  text-align: center;
  font-size: 0.95rem;
}

.project-image-1 {
  background-image: linear-gradient(135deg, rgba(56, 189, 248, 0.8), rgba(14, 165, 233, 0.72)), url('');
}

.project-image-2 {
  background-image: linear-gradient(135deg, rgba(236, 72, 153, 0.82), rgba(232, 121, 249, 0.72)), url('');
}

.project-image-3 {
  background-image: linear-gradient(135deg, rgba(34, 197, 94, 0.82), rgba(52, 211, 153, 0.72)), url('');
}

.about-section {
  padding-bottom: 2rem;
}

.about-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
  align-items: center;
}

.about-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  gap: 1rem;
}

.about-list li {
  color: var(--muted);
}

.about-highlight {
  display: flex;
  align-items: center;
  min-height: 100%;
}

.highlight-text {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.9;
}

.contact-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.92);
  color: var(--text);
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(56, 189, 248, 0.65);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.12);
}

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.08);
  padding: 1.5rem 0 2.5rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
}

@media (max-width: 960px) {
  .hero-grid,
  .about-grid,
  .contact-grid,
  .cards-grid,
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    gap: 1rem;
  }
}

@media (max-width: 640px) {
  .hero-copy h1,
  .section-intro h2,
  .about-section h2,
  .contact-section h2 {
    font-size: 2.4rem;
  }

  .button {
    width: 100%;
  }
}

.admin-panel-toggle {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 999;
  background: rgba(56, 189, 248, 0.95);
  color: #0f172a;
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.admin-panel {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(15, 23, 42, 0.88);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 998;
}

.admin-panel.admin-panel-open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.admin-panel-content {
  width: min(680px, calc(100% - 2rem));
  background: #0f172a;
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 28px;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.admin-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.admin-panel-header h2 {
  margin: 0;
}

.close-panel {
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 1.75rem;
  cursor: pointer;
}

.admin-panel-group {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.admin-panel-group label {
  color: var(--text);
  font-weight: 600;
}

.admin-panel-group input,
.admin-panel-group textarea {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text);
  padding: 0.95rem 1rem;
}

.admin-panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}