/* ==========================================================================
   Aakash Das — Software Architect
   Clean, Minimal, High-Performance Design System
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Color Palette — Refined Slate, Navy & Subtle Warm Accents */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-badge: #e2e8f0;

  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;

  --text-main: #0f172a;       /* Deep slate - 16.1:1 AAA contrast */
  --text-muted: #334155;      /* Slate - 7.5:1 AAA contrast */
  --text-subtle: #64748b;     /* Caption text - 4.6:1 AA contrast */

  --color-accent: #1e40af;    /* Deep Trust Blue */
  --color-accent-hover: #1d4ed8;
  --color-accent-subtle: #eff6ff;
  --color-accent-border: #bfdbfe;

  --color-success: #047857;   /* Emerald */
  --color-success-bg: #ecfdf5;
  --color-success-border: #a7f3d0;

  --color-badge: #92400e;     /* Warm Amber */
  --color-badge-bg: #fef3c7;
  --color-badge-border: #fde68a;

  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --max-width: 1140px;
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
}

@media all {
  :root[data-theme="dark"] {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --bg-card: #111827;
    --bg-badge: #1f2937;

    --border-light: #1f2937;
    --border-medium: #374151;

    --text-main: #f9fafb;
    --text-muted: #d1d5db;
    --text-subtle: #9ca3af;

    --color-accent: #3b82f6;
    --color-accent-hover: #60a5fa;
    --color-accent-subtle: #1e293b;
    --color-accent-border: #2563eb;

    --color-success: #10b981;
    --color-success-bg: #064e3b;
    --color-success-border: #047857;

    --color-badge: #f59e0b;
    --color-badge-bg: #451a03;
    --color-badge-border: #78350f;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
  }
}

/* Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-accent);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2rem); margin-bottom: 0.75rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

p {
  color: var(--text-muted);
  line-height: 1.65;
}

p + p {
  margin-top: 1rem;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-light);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

@media all {
  :root[data-theme="dark"] .site-header {
    background-color: rgba(11, 15, 25, 0.92);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.brand:hover,
.brand:focus-visible {
  text-decoration: none;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-title {
  font-size: 0.75rem;
  color: var(--text-subtle);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  list-style: none;
  flex-wrap: nowrap;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.5rem 0.2rem;
  white-space: nowrap;
  word-break: keep-all;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-main);
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--text-main);
  color: var(--bg-primary) !important;
  border-color: var(--text-main);
}

.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-primary);
  color: var(--text-main) !important;
  border-color: var(--border-medium);
}

.btn-secondary:hover {
  background-color: var(--bg-secondary);
  border-color: var(--text-main);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.875rem;
  white-space: nowrap;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-light);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-main);
}

@media (max-width: 980px) {
  .mobile-nav-toggle {
    display: block;
  }
  .nav-menu {
    position: absolute;
    top: 4.5rem;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: 1rem;
    display: none;
    box-shadow: var(--shadow-lg);
  }
  .nav-menu.is-open {
    display: flex;
  }
  .nav-link {
    width: 100%;
    padding: 0.5rem 0;
  }
  .nav-cta {
    width: 100%;
    margin-top: 0.5rem;
  }
  .nav-cta .btn {
    width: 100%;
  }
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  background-color: var(--bg-primary);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3.5rem;
  align-items: center;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-badge);
  background-color: var(--color-badge-bg);
  border: 1px solid var(--color-badge-border);
  border-radius: var(--radius-full);
  align-self: flex-start;
}

.hero-headline {
  font-size: clamp(2.1rem, 4.2vw, 3rem);
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero-subheadline {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.hero-aside {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.profile-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  width: 100%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.profile-img-wrap {
  position: relative;
  width: 160px;
  height: 160px;
  margin-bottom: 1.25rem;
}

.profile-img {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 3px solid var(--bg-primary);
  box-shadow: var(--shadow-md);
}

.status-indicator {
  position: absolute;
  bottom: 8px;
  right: 12px;
  width: 16px;
  height: 16px;
  background-color: #10b981;
  border: 2px solid var(--bg-primary);
  border-radius: var(--radius-full);
}

.profile-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.profile-title {
  font-size: 0.875rem;
  color: var(--text-subtle);
  margin-top: 0.25rem;
}

.profile-company {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-top: 0.25rem;
}

.profile-location {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  color: var(--text-subtle);
  margin-top: 0.75rem;
}

/* Trust Strip */
.trust-strip {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 860px) {
  .trust-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

@media (max-width: 480px) {
  .trust-strip {
    grid-template-columns: 1fr;
  }
}

.trust-item {
  display: flex;
  flex-direction: column;
}

.trust-item-label {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-main);
}

.trust-item-detail {
  font-size: 0.8125rem;
  color: var(--text-subtle);
  margin-top: 0.15rem;
}

/* Section Common */
.section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-light);
}

.section-alt {
  background-color: var(--bg-secondary);
}

.section-header {
  margin-bottom: 3rem;
  max-width: 720px;
}

.section-eyebrow {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section-title {
  color: var(--text-main);
  letter-spacing: -0.025em;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

/* Case Studies (Featured) */
.case-studies-grid {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.case-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.case-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
}

.case-card-body {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.case-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-outline {
  background: transparent;
  border: 1px solid var(--border-medium);
  color: var(--text-muted);
}

.badge-metric {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.badge-amber {
  background-color: var(--color-badge-bg);
  color: var(--color-badge);
  border: 1px solid var(--color-badge-border);
}

.case-title {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}

.case-subtitle {
  font-size: 0.95rem;
  color: var(--text-subtle);
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.case-section-item {
  margin-bottom: 1rem;
}

.case-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-subtle);
  margin-bottom: 0.25rem;
}

.case-quote-box {
  background-color: var(--bg-secondary);
  border-left: 3px solid var(--color-accent);
  padding: 0.85rem 1.15rem;
  margin: 1.25rem 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.case-quote-author {
  display: block;
  font-style: normal;
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--text-main);
  margin-top: 0.35rem;
}

.case-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1rem 0 1.5rem;
}

.tech-tag {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background-color: var(--bg-tertiary);
  color: var(--text-muted);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.case-card-img-wrap {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  overflow: hidden;
  aspect-ratio: 2 / 1;
}

.case-card-img-wrap a {
  display: block;
  width: 100%;
  height: 100%;
}

.case-card-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform var(--transition-fast);
}

.case-card:hover .case-card-img {
  transform: scale(1.02);
}

.case-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 2.5rem;
}

@media (max-width: 800px) {
  .case-sections {
    grid-template-columns: 1fr;
  }
}

/* Secondary Projects Grid */
.projects-archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.archive-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.archive-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
}

.archive-card-header {
  margin-bottom: 1rem;
}

.archive-card-title {
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

/* Proof Points & Metrics Section */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.proof-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.proof-metric {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.proof-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-subtle);
  margin-bottom: 0.35rem;
}

.proof-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.proof-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.proof-note {
  font-size: 0.75rem;
  color: var(--text-subtle);
  font-style: italic;
  margin-top: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border-light);
}

/* How I Work Section */
.methodology-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.methodology-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}

.methodology-step {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.methodology-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.methodology-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Experience Section */
.experience-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.experience-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 1.5rem;
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 680px) {
  .experience-item {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.experience-logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--border-light);
}

.experience-details {
  display: flex;
  flex-direction: column;
}

.experience-role-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.25rem;
}

.experience-role {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.experience-company {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
}

.experience-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-tertiary);
  color: var(--text-muted);
}

.experience-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.experience-tenure {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-subtle);
  white-space: nowrap;
}

.experience-confidentiality {
  font-size: 0.75rem;
  color: var(--text-subtle);
  font-style: italic;
  margin-top: 0.5rem;
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.skill-category-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.skill-category-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-pill {
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  color: var(--text-main);
}

/* Testimonials Grid */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 800px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

.testimonial-card {
  position: relative;
  margin: 0;
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.testimonial-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
}

.testimonial-mark {
  color: var(--color-accent);
  opacity: 0.35;
  margin-bottom: 0.75rem;
}

.testimonial-quote {
  margin: 0 0 1.5rem;
  flex: 1;
  font-size: 0.975rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.testimonial-author-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-light);
}

.author-avatar {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
}

.author-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}

.author-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-main);
}

.author-title {
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

.author-company {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* Featured reviews (top two) */
.testimonial-card.is-featured {
  border-color: var(--color-accent-border);
  background: linear-gradient(180deg, var(--color-accent-subtle), var(--bg-card) 55%);
}

.testimonial-card.is-featured .testimonial-mark {
  opacity: 0.6;
}

.testimonial-card.is-featured .testimonial-quote {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--text-main);
}

.testimonial-card.is-featured .author-avatar {
  width: 52px;
  height: 52px;
}

/* Contact Section */
.contact-section {
  padding: 5.5rem 0;
  background-color: var(--bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
}

@media (max-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-method-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-method-text {
  display: flex;
  flex-direction: column;
}

.contact-method-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-subtle);
}

.contact-method-val {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Contact Form */
.contact-form-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--text-main);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-feedback {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  display: none;
}

.form-feedback.is-success {
  display: block;
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.form-feedback.is-error {
  display: block;
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-backdrop.is-active {
  display: flex;
}

.modal-dialog {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  position: relative;
}

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

.modal-title {
  font-size: 1.35rem;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-subtle);
  cursor: pointer;
  padding: 0.25rem;
}

.modal-close:hover {
  color: var(--text-main);
}

/* Case Study Detail Pages */
.case-study-hero {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-secondary);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-subtle);
  margin-bottom: 1.5rem;
}

.breadcrumbs a {
  color: var(--text-subtle);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--color-accent);
}

.case-study-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3.5rem;
  padding: 3.5rem 0;
}

@media (max-width: 900px) {
  .case-study-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.case-study-main {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.case-study-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.results-list, .highlights-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.results-list li, .highlights-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.results-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-success);
  font-weight: 700;
}

.highlights-list li::before {
  content: "•";
  position: absolute;
  left: 0.25rem;
  top: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* Gallery */
.gallery-section {
  margin-top: 2rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  background-color: var(--bg-secondary);
  aspect-ratio: 16 / 9;
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.gallery-img:hover {
  transform: scale(1.03);
}

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-light);
  background-color: var(--bg-secondary);
  padding: 3.5rem 0 2rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-light);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.95);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox.is-active {
  display: flex;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: #ffffff;
  background: transparent;
  border: none;
  font-size: 2rem;
  cursor: pointer;
}

/* Theme toggle */
:root { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background: transparent;
  color: var(--text-main);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--bg-tertiary);
}

.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }


/* Header actions: theme toggle (+ hamburger on mobile), always visible */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  order: 3;
}

@media (min-width: 981px) {
  .header-actions {
    margin-left: 1.25rem;
  }
}

@media (max-width: 980px) {
  .header-actions {
    margin-left: auto;
  }
  .mobile-nav-toggle {
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

.testimonials-grid.is-collapsed .is-extra {
  display: none;
}

/* Hero pull quote */
.hero-quote {
  margin: 2rem 0 0;
  padding: 0.25rem 0 0.25rem 1.25rem;
  border-left: 3px solid var(--color-accent);
  max-width: 34rem;
}

.hero-quote blockquote {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  line-height: 1.55;
  font-style: italic;
  color: var(--text-main);
}

.hero-quote figcaption {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-quote figcaption a {
  margin-left: 0.75rem;
  white-space: nowrap;
}

/* Collapsible project archive */
.archive-details {
  margin-top: 2.5rem;
  text-align: center;
}

.archive-details summary {
  list-style: none;
  cursor: pointer;
}

.archive-details summary::-webkit-details-marker {
  display: none;
}

.archive-details .archive-open,
.archive-details[open] .archive-closed {
  display: none;
}

.archive-details[open] .archive-open {
  display: inline;
}

.archive-details .projects-archive-grid {
  text-align: left;
}

/* Service cards */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .service-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.service-card:hover {
  border-color: var(--color-accent-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none;
}

.service-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
}

.service-card-desc {
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.service-card-link {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
}

.service-grid-compact {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 560px) {
  .service-grid-compact {
    grid-template-columns: 1fr;
  }
}

.footer-services {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border-light);
}

.footer-services-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-subtle);
}

.footer-services .footer-links {
  gap: 0.5rem 1.5rem;
}

/* 1:1 session banner */
.session-banner {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.75rem 2rem;
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-accent-subtle), var(--bg-card) 70%);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 800px) {
  .session-banner {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.5rem;
  }
}

.session-banner-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--color-accent);
  color: #ffffff;
}

.session-banner-title {
  font-size: 1.2rem;
  line-height: 1.3;
  margin: 0 0 0.35rem;
}

.session-banner-desc {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.session-banner-proof {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-main);
}

.session-stars {
  display: inline-flex;
  gap: 2px;
  color: #f59e0b;
}

.session-banner-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.profile-aka {
  font-size: 0.75rem;
  color: var(--text-subtle);
  margin-top: 0.15rem;
}