/* style.css — The Blueprint Co. custom design system + components */

/* ============================================
   DESIGN TOKENS
   ============================================ */
:root,
[data-theme='light'] {
  /* Surfaces — crisp white, high-end */
  --color-bg: #FFFFFF;
  --color-surface: #F8FAFC;
  --color-surface-2: #FFFFFF;
  --color-surface-offset: #F1F5F9;
  --color-surface-offset-2: #E2E8F0;
  --color-surface-dynamic: #E2E8F0;
  --color-divider: #E2E8F0;
  --color-border: #CBD5E1;

  /* Text — deep navy */
  --color-text: #0F172A;
  --color-text-muted: #64748B;
  --color-text-faint: #94A3B8;
  --color-text-inverse: #FFFFFF;

  /* Primary Accent — lighter blue (high-end) */
  --color-primary: #4A7FB5;
  --color-primary-hover: #3A6A9F;
  --color-primary-active: #2E5A8A;
  --color-primary-highlight: #DBEAFE;
  --color-primary-soft: #EFF6FF;

  /* Fonts */
  --font-display: 'Switzer', 'Inter', system-ui, sans-serif;
  --font-body: 'General Sans', 'Inter', system-ui, sans-serif;

  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 7rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px oklch(0.2 0.02 250 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.02 250 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.2 0.02 250 / 0.12);
  --shadow-xl: 0 24px 48px oklch(0.2 0.02 250 / 0.16);

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-reveal: 600ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* DARK MODE */
[data-theme='dark'] {
  --color-bg: #0F172A;
  --color-surface: #1E293B;
  --color-surface-2: #1A2738;
  --color-surface-offset: #172033;
  --color-surface-offset-2: #243349;
  --color-surface-dynamic: #2D3F59;
  --color-divider: #1E293B;
  --color-border: #334155;

  --color-text: #E2E8F0;
  --color-text-muted: #94A3B8;
  --color-text-faint: #64748B;
  --color-text-inverse: #0F172A;

  --color-primary: #8FBEDE;
  --color-primary-hover: #7BAFCE;
  --color-primary-active: #6A9FBE;
  --color-primary-highlight: #2A4A6A;
  --color-primary-soft: #1A2A3A;

  --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
  --shadow-xl: 0 24px 48px oklch(0 0 0 / 0.5);
}

/* System dark mode fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0F172A;
    --color-surface: #1E293B;
    --color-surface-2: #1A2738;
    --color-surface-offset: #172033;
    --color-surface-offset-2: #243349;
    --color-surface-dynamic: #2D3F59;
    --color-divider: #1E293B;
    --color-border: #334155;
    --color-text: #E2E8F0;
    --color-text-muted: #94A3B8;
    --color-text-faint: #64748B;
    --color-text-inverse: #0F172A;
    --color-primary: #60A5FA;
    --color-primary-hover: #3B82F6;
    --color-primary-active: #2563EB;
    --color-primary-highlight: #1E3A5F;
    --color-primary-soft: #172033;
    --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.2);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
    --shadow-xl: 0 24px 48px oklch(0 0 0 / 0.5);
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-wide {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.section-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--color-primary);
}

.section-title {
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.section-intro {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
}

/* ============================================
   SCROLL REVEAL
   ============================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-delay="1"] { transition-delay: 80ms; }
[data-reveal-delay="2"] { transition-delay: 160ms; }
[data-reveal-delay="3"] { transition-delay: 240ms; }
[data-reveal-delay="4"] { transition-delay: 320ms; }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition-interactive);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--primary:active {
  background: var(--color-primary-active);
  transform: translateY(0);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface-offset);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  padding: var(--space-2) var(--space-3);
}

.btn--ghost:hover {
  color: var(--color-primary-hover);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border-bottom: 1px solid transparent;
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}

.header--hidden {
  transform: translateY(-100%);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.logo-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.logo-text span {
  display: block;
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-primary);
  transition: width var(--transition-interactive);
}

.nav-links a:hover::after,
.nav-link--active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-actions .btn {
  display: none;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text);
}

/* ============================================
   MOBILE NAV
   ============================================ */
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 360px;
  height: 100dvh;
  background: var(--color-surface);
  z-index: 100;
  padding: var(--space-8) var(--space-6);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  overflow-y: auto;
}

.mobile-nav--open {
  transform: translateX(0);
}

.mobile-nav a {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}

.mobile-nav .btn {
  margin-top: var(--space-4);
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: oklch(0 0 0 / 0.4);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-nav--open ~ .mobile-nav-overlay {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: var(--space-16) 0 var(--space-20);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    oklch(from var(--color-bg) l c h / 0.92) 0%,
    oklch(from var(--color-bg) l c h / 0.78) 50%,
    oklch(from var(--color-bg) l c h / 0.95) 100%
  );
}

[data-theme='dark'] .hero-bg::after {
  background: linear-gradient(
    180deg,
    oklch(from var(--color-bg) l c h / 0.92) 0%,
    oklch(from var(--color-bg) l c h / 0.80) 50%,
    oklch(from var(--color-bg) l c h / 0.96) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.hero-tagline {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.hero h1 {
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: var(--space-6);
  max-width: 14ch;
}

.hero h1 .accent {
  color: var(--color-primary);
  font-style: italic;
  font-weight: 500;
}

.hero-desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
}

.hero-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.service-card {
  padding: var(--space-6);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

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

.service-icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.service-card h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================
   PORTFOLIO
   ============================================ */
.portfolio {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  background: var(--color-surface);
}

.portfolio-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.portfolio-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-surface-offset);
  aspect-ratio: 4 / 3;
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-card:hover img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, oklch(0 0 0 / 0.75) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-5);
}

.portfolio-card-tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-highlight);
  margin-bottom: var(--space-1);
}

.portfolio-card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: #fff;
}

/* ============================================
   PROCESS
   ============================================ */
.process {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: var(--space-10);
}

.process-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-divider);
}

.process-step:last-child {
  border-bottom: none;
}

.process-number {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}

.process-step h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.process-step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  background: var(--color-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-surface-offset);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-content h2 {
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.about-content p {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.about-feature svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.about-feature p {
  font-size: var(--text-sm);
  color: var(--color-text);
  margin: 0;
}

.about-feature strong {
  font-weight: 600;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.testimonial-card {
  padding: var(--space-8);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-4);
  color: #E8A53A;
}

.testimonial-stars svg {
  width: 18px;
  height: 18px;
}

.testimonial-text {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-primary-soft);
  border: 1px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
}

.testimonial-name {
  font-size: var(--text-sm);
  font-weight: 600;
}

.testimonial-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================
   REVIEWS CTA
   ============================================ */
.reviews-cta {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  background: var(--color-primary);
  text-align: center;
}

.reviews-cta .container {
  max-width: 640px;
}

.reviews-cta h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-3);
}

.reviews-cta p {
  font-size: var(--text-base);
  color: oklch(1 0 0 / 0.85);
  margin-bottom: var(--space-6);
}

.reviews-rating {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.reviews-rating .stars {
  display: flex;
  gap: 2px;
  color: #fff;
}

.reviews-rating .stars svg {
  width: 22px;
  height: 22px;
}

.reviews-rating .rating-text {
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
}

.reviews-cta .btn--secondary {
  background: #fff;
  color: var(--color-primary-hover);
  border-color: #fff;
}

.reviews-cta .btn--secondary:hover {
  background: oklch(1 0 0 / 0.9);
  transform: translateY(-1px);
}

/* ============================================
   BLOG SECTION
   ============================================ */
.blog {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.blog-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-2);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.blog-card-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-surface-offset);
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.blog-card-title {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.blog-card-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex: 1;
}

.blog-card-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-3);
}

/* ============================================
   FAQ ACCORDION
   ============================================ */
.faq {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  background: var(--color-surface);
}

.faq-list {
  margin-top: var(--space-10);
  max-width: 760px;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  padding: var(--space-5) 0;
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition-interactive);
}

.faq-item--open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-answer-inner {
  padding: 0 0 var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.contact {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: var(--space-10);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.contact-item svg {
  width: 22px;
  height: 22px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.contact-item-value {
  font-size: var(--text-base);
  color: var(--color-text);
  text-decoration: none;
}

a.contact-item-value:hover {
  color: var(--color-primary);
}

.contact-form {
  padding: var(--space-6);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.12);
}

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

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding-block: var(--space-12) var(--space-8);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.footer-brand {
  max-width: 320px;
}

.footer-brand .logo {
  margin-bottom: var(--space-4);
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.footer-social a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

/* ============================================
   BLUEPRINT GRID PATTERN (decorative)
   ============================================ */
.blueprint-grid {
  background-image:
    linear-gradient(var(--color-divider) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-divider) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.5;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
  .header-actions .btn {
    display: inline-flex;
    }
  .nav-toggle {
    display: none;
  }
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-form {
    padding: var(--space-8);
  }
}

@media (min-width: 1280px) {
  .portfolio-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}