/* ==========================================================================
   DHRUV RAJWADA — AI AUTOMATION DEVELOPER PORTFOLIO
   Design System: Minimalist Professional, Content-First, High Readability
   Palette: White/Slate Neutral Surfaces, Dark Slate Typography, Blue Accents
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Clean Light Theme (Default) */
  --bg-primary: #FFFFFF;
  --bg-surface: #F8FAFC;
  --bg-surface-subtle: #F1F5F9;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F8FAFC;
  --bg-translucent: rgba(255, 255, 255, 0.92);

  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --text-tertiary: #94A3B8;
  --text-inverse: #FFFFFF;

  --border-subtle: #E2E8F0;
  --border-strong: #CBD5E1;
  --border-focus: #3B82F6;

  /* Primary Blue Accents */
  --accent-primary: #2563EB;
  --accent-primary-hover: #1D4ED8;
  --accent-primary-subtle: #EFF6FF;
  --accent-primary-border: #BFDBFE;

  /* Status and Badges */
  --badge-bg: #F1F5F9;
  --badge-text: #475569;
  --badge-d2c-bg: #EFF6FF;
  --badge-d2c-text: #1D4ED8;
  --badge-hypo-bg: #FEF3C7;
  --badge-hypo-text: #92400E;
  --badge-learn-bg: #F0FDF4;
  --badge-learn-text: #166534;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

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

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);

  --container-max: 1200px;
}

[data-theme="dark"] {
  --bg-primary: #0F172A;
  --bg-surface: #1E293B;
  --bg-surface-subtle: #334155;
  --bg-card: #1E293B;
  --bg-card-hover: #243248;
  --bg-translucent: rgba(15, 23, 42, 0.92);

  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --text-tertiary: #64748B;
  --text-inverse: #0F172A;

  --border-subtle: #334155;
  --border-strong: #475569;
  --border-focus: #60A5FA;

  --accent-primary: #3B82F6;
  --accent-primary-hover: #60A5FA;
  --accent-primary-subtle: rgba(59, 130, 246, 0.15);
  --accent-primary-border: rgba(59, 130, 246, 0.3);

  --badge-bg: #334155;
  --badge-text: #E2E8F0;
  --badge-d2c-bg: rgba(59, 130, 246, 0.2);
  --badge-d2c-text: #93C5FD;
  --badge-hypo-bg: rgba(245, 158, 11, 0.18);
  --badge-hypo-text: #FDE68A;
  --badge-learn-bg: rgba(34, 197, 94, 0.18);
  --badge-learn-text: #86EFAC;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: transparent;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.section-padding {
  padding-block: clamp(4rem, 7vw, 6.5rem);
}

.section-divider {
  border-top: 1px solid var(--border-subtle);
}

/* Typography Standards */
.font-mono {
  font-family: var(--font-mono);
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
}

.section-heading {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.section-description {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 68ch;
  margin-top: 0.75rem;
}

/* Badges & Tags */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background-color: var(--badge-bg);
  color: var(--badge-text);
  white-space: nowrap;
}

.status-badge.badge-d2c {
  background-color: var(--badge-d2c-bg);
  color: var(--badge-d2c-text);
  border: 1px solid var(--accent-primary-border);
}

.status-badge.badge-hypothetical {
  background-color: var(--badge-hypo-bg);
  color: var(--badge-hypo-text);
}

.status-badge.badge-learning {
  background-color: var(--badge-learn-bg);
  color: var(--badge-learn-text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  border: 1px solid var(--accent-primary);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--accent-primary-hover);
  border-color: var(--accent-primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-subtle);
  border-color: var(--text-primary);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  border: 1px solid #20BA5A;
}

.btn-whatsapp:hover {
  background-color: #20BA5A;
  transform: translateY(-1px);
}

/* ==========================================================================
   SITE HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background-color: var(--bg-translucent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-monogram {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background-color: var(--accent-primary);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.brand-role {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-item-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.nav-item-link:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-theme {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  transition: all var(--transition-fast);
}

.btn-theme:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.mobile-menu-btn {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-top: clamp(3.5rem, 6vw, 5.5rem);
  padding-bottom: clamp(3.5rem, 6vw, 5.5rem);
}

.hero-content {
  max-width: 820px;
}

.hero-headline {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-top: 0.5rem;
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-cta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

/* Conceptual Workflow Diagram (Hero Visual) */
.hero-workflow-diagram {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.diagram-header-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.diagram-steps-flow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.diagram-step-box {
  padding: 0.45rem 0.75rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.diagram-step-box.primary-step {
  background-color: var(--accent-primary-subtle);
  border-color: var(--accent-primary-border);
  color: var(--accent-primary);
}

.diagram-arrow {
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

.diagram-footnote {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 1rem;
  font-family: var(--font-mono);
}

/* ==========================================================================
   FEATURED PROJECT: D2C WHATSAPP AI SALES ASSISTANT
   ========================================================================== */
.featured-project-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 3rem);
  box-shadow: var(--shadow-sm);
  margin-top: 2rem;
}

.featured-project-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.75rem;
  margin-bottom: 2rem;
}

.project-title-large {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.project-subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.project-disclosures-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* Two-column Project Layout */
.project-sections-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

.project-prose-block {
  margin-bottom: 2rem;
}

.project-prose-block:last-child {
  margin-bottom: 0;
}

.prose-subheading {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.prose-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.prose-list {
  list-style: none;
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.prose-list li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.prose-list li::before {
  content: "•";
  position: absolute;
  left: 0.25rem;
  color: var(--accent-primary);
  font-weight: bold;
}

/* Airtable Data Model Table */
.data-model-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  margin-top: 0.75rem;
}

.data-model-table th,
.data-model-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.data-model-table th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  background-color: var(--bg-surface);
}

.data-model-table td:first-child {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent-primary);
}

/* Tech Stack Pills */
.tech-pills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.tech-pill {
  padding: 0.35rem 0.65rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

/* Neutral Skeleton / Placeholder Assets */
.asset-placeholder-card {
  background-color: var(--bg-surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  transition: border-color var(--transition-fast);
  margin-bottom: 1.5rem;
}

.asset-placeholder-card:hover {
  border-color: var(--accent-primary);
}

.aspect-16-10 {
  aspect-ratio: 16 / 10;
  width: 100%;
}

.aspect-16-9 {
  aspect-ratio: 16 / 9;
  width: 100%;
}

.aspect-chat {
  aspect-ratio: 9 / 12;
  max-width: 380px;
  width: 100%;
  margin-inline: auto;
}

.placeholder-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.5rem;
  background-color: var(--border-subtle);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  margin-bottom: 0.65rem;
}

.placeholder-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.placeholder-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  max-width: 32ch;
  line-height: 1.4;
}

/* ==========================================================================
   SECONDARY PROJECTS GRID (Real Estate & Healthcare)
   ========================================================================== */
.secondary-projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: 2rem;
}

.secondary-project-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.secondary-project-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.secondary-card-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}

.secondary-project-title {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.25;
  margin-top: 0.5rem;
  margin-bottom: 0.35rem;
}

/* Callout Box (Core Principle / Disclaimer) */
.callout-box {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  line-height: 1.5;
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}

.callout-box.callout-info {
  background-color: var(--bg-surface);
  border-left: 3px solid var(--accent-primary);
  color: var(--text-secondary);
}

.callout-box.callout-guardrail {
  background-color: var(--badge-learn-bg);
  border-left: 3px solid #16A34A;
  color: var(--badge-learn-text);
  font-weight: 500;
}

/* ==========================================================================
   HOW I APPROACH A WORKFLOW SECTION (5-Step Framework)
   ========================================================================== */
.workflow-approach-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.approach-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.approach-step-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
}

.approach-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.approach-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   CAPABILITIES SECTION
   ========================================================================== */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2rem);
  margin-top: 2.5rem;
}

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

.capability-header {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.capability-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.875rem;
}

.capability-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.capability-list li svg {
  flex-shrink: 0;
  margin-top: 0.2rem;
  color: var(--accent-primary);
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.about-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
}

.about-photo-wrapper {
  width: 7.5rem;
  height: 7.5rem;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 0 auto 1.25rem auto;
  border: 2px solid var(--accent-primary-border);
  box-shadow: var(--shadow-md);
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--border-subtle) 100%);
  position: relative;
}

.about-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 12%;
  display: block;
}

.about-avatar-placeholder {
  width: 5rem;
  height: 5rem;
  border-radius: var(--radius-full);
  background-color: var(--accent-primary-subtle);
  border: 2px solid var(--accent-primary-border);
  color: var(--accent-primary);
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: 1.25rem;
}

.about-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.about-role {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.about-prose {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.faq-list {
  max-width: 840px;
  margin-inline: auto;
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-strong);
}

.faq-trigger {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  gap: 1rem;
}

.faq-icon {
  width: 1.25rem;
  height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--accent-primary);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth);
}

.faq-body-inner {
  padding: 0 1.5rem 1.25rem 1.5rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 4rem);
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
  box-shadow: var(--shadow-sm);
}

.contact-actions-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.contact-meta-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.contact-meta-item strong {
  color: var(--text-primary);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding-block: 2.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  font-weight: 600;
  color: var(--text-primary);
}

.footer-subbrand {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   RESPONSIVE DESIGN BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {

  .project-sections-grid,
  .secondary-projects-grid,
  .capabilities-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .workflow-approach-grid {
    grid-template-columns: 1fr;
  }

  .hero-cta-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta-bar .btn {
    width: 100%;
  }

  .contact-actions-row {
    flex-direction: column;
  }

  .contact-actions-row .btn {
    width: 100%;
  }
}

/* ==========================================================================
   LEGAL PAGES (Privacy Policy, Terms of Use, Disclaimer)
   ========================================================================== */
.legal-page-header {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: clamp(1.5rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.legal-back-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  transition: color var(--transition-fast);
  text-decoration: none;
}

.legal-back-nav:hover {
  color: var(--accent-primary);
}

.legal-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
}

.legal-lead {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 68ch;
}

.legal-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.legal-content-container {
  max-width: 860px;
  margin-inline: auto;
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.legal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 3rem);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2.5rem;
}

.legal-section-block {
  margin-bottom: 2.25rem;
}

.legal-section-block:last-child {
  margin-bottom: 0;
}

.legal-section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  letter-spacing: -0.01em;
}

.legal-paragraph {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.legal-paragraph:last-child {
  margin-bottom: 0;
}

.legal-list {
  list-style: none;
  margin-top: 0.75rem;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.legal-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.legal-list li::before {
  content: "•";
  position: absolute;
  left: 0.35rem;
  color: var(--accent-primary);
  font-weight: bold;
}

.legal-placeholder-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: 0.15rem 0.5rem;
  background-color: var(--bg-surface-subtle);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

.legal-nav-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.legal-nav-pill {
  padding: 0.45rem 0.85rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.legal-nav-pill:hover,
.legal-nav-pill.active {
  color: var(--accent-primary);
  border-color: var(--accent-primary-border);
  background-color: var(--accent-primary-subtle);
}