/* Core design tokens (tune colors + fonts here) */
:root {
  --font-sans: "Space Grotesk", "Segoe UI", sans-serif;
  --font-serif: "Fraunces", "Georgia", serif;

  /* Palette */
  --primary: #1f2937;
  --secondary: #4f46e5;
  --accent: #f59e0b;
  --neutral-100: #f9fafb;
  --neutral-900: #111827;
  --surface: #ffffff;
  --border: #e5e7eb;
  --muted: #6b7280;

  /* Layout */
  --max-width: 1120px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --shadow-sm: 0 8px 22px rgba(17, 24, 39, 0.08);
  --shadow-md: 0 18px 50px rgba(17, 24, 39, 0.12);

  /* Theme assets */
  --bg: var(--neutral-100);
  --text: var(--primary);
  --link: var(--secondary);
  --header-bg: rgba(249, 250, 251, 0.9);
  --badge-bg: rgba(79, 70, 229, 0.1);
  --badge-text: #3730a3;
  --hero-glow: radial-gradient(circle at top, rgba(79, 70, 229, 0.12), transparent 50%);
  --hero-glow-2: radial-gradient(circle at 10% 20%, rgba(245, 158, 11, 0.14), transparent 45%);
  --stat-bg: var(--primary);
  --stat-text: #f9fafb;
  --stat-muted: rgba(249, 250, 251, 0.75);
  --case-thumb-bg: linear-gradient(135deg, rgba(79, 70, 229, 0.16), rgba(245, 158, 11, 0.18));
}

[data-theme="dark"] {
  --bg: #0b0e14;
  --text: #f3f4f6;
  --surface: #151924;
  --border: #242a35;
  --muted: #b0b5c0;
  --link: #8b87ff;
  --header-bg: rgba(11, 14, 20, 0.92);
  --badge-bg: rgba(139, 135, 255, 0.18);
  --badge-text: #c7c5ff;
  --hero-glow: radial-gradient(circle at top, rgba(139, 135, 255, 0.2), transparent 55%);
  --hero-glow-2: radial-gradient(circle at 10% 20%, rgba(245, 158, 11, 0.2), transparent 45%);
  --stat-bg: #111621;
  --stat-text: #f3f4f6;
  --stat-muted: rgba(243, 244, 246, 0.7);
  --case-thumb-bg: linear-gradient(135deg, rgba(139, 135, 255, 0.18), rgba(245, 158, 11, 0.2));
  --shadow-sm: 0 12px 26px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 24px 60px rgba(0, 0, 0, 0.55);
}

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

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--hero-glow), var(--hero-glow-2), var(--bg);
  line-height: 1.6;
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

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

a:hover {
  color: var(--link);
}

h1, h2, h3 {
  font-family: var(--font-serif);
  letter-spacing: -0.02em;
  color: var(--text);
}

p {
  color: var(--muted);
}

.section-link {
  margin-top: 10px;
  font-weight: 600;
}

.section-link a {
  color: var(--link);
}

.blog-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.blog-post {
  max-width: 780px;
}

.blog-post h2 {
  margin-top: 28px;
}

.blog-hero-image {
  margin-top: 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.blog-post ul {
  margin-top: 12px;
  padding-left: 20px;
  color: var(--muted);
}

.portfolio-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.portfolio-item {
  display: grid;
  gap: 12px;
}

.portfolio-trigger {
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}

.portfolio-grid img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease;
}

.portfolio-grid {
  grid-auto-rows: 1fr;
}

.portfolio-trigger {
  display: block;
}

.portfolio-trigger img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.portfolio-trigger:hover img {
  transform: scale(1.01);
}

.portfolio-item figcaption {
  font-size: 0.95rem;
  color: var(--muted);
}

.lightbox {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 120;
}

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

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    0deg,
    rgba(10, 12, 16, 0.95) 0%,
    rgba(10, 12, 16, 0.8) 55%,
    rgba(10, 12, 16, 0.6) 100%
  );
}

.lightbox-content {
  position: relative;
  background: transparent;
  border-radius: 0;
  padding: 0;
  max-width: min(1100px, 94vw);
  width: 100%;
  box-shadow: none;
  z-index: 1;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.lightbox-media {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 0;
}

.lightbox-image {
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: none;
}

.lightbox-compare {
  display: none;
  position: relative;
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
}

.lightbox-compare img {
  display: block;
  width: 100%;
  height: auto;
}

.lightbox-before {
  filter: grayscale(1) contrast(0.85) brightness(0.85);
}

.lightbox-after {
  position: absolute;
  inset: 0;
  width: var(--compare, 50%);
  overflow: hidden;
}

.lightbox-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--compare, 50%);
  width: 2px;
  background: rgba(255, 255, 255, 0.9);
  transform: translateX(-1px);
}

.lightbox-range {
  width: 100%;
  margin-top: 12px;
}

.lightbox-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 0.85rem;
  color: rgba(243, 244, 246, 0.85);
}

.lightbox.is-compare .lightbox-image {
  display: none;
}

.lightbox.is-compare .lightbox-compare {
  display: block;
}

.lightbox-range,
.lightbox-labels {
  display: none;
}

.lightbox.is-compare .lightbox-range,
.lightbox.is-compare .lightbox-labels {
  display: block;
}

.lightbox-caption {
  position: static;
  display: grid;
  gap: 6px;
  padding: 0 6px;
  text-align: center;
  max-width: min(760px, 90vw);
  margin-top: 16px;
}

.lightbox-title {
  margin: 0;
  color: #f3f4f6;
}

.lightbox-desc {
  margin: 0;
  color: rgba(243, 244, 246, 0.85);
}

.lightbox-close {
  position: absolute;
  top: 10px;
  right: 10px;
  border: none;
  background: rgba(10, 12, 16, 0.5);
  border-radius: 999px;
  width: 42px;
  height: 42px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: rgba(10, 12, 16, 0.5);
  border-radius: 999px;
  width: 46px;
  height: 46px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 2;
}

.lightbox-close span,
.lightbox-nav span {
  color: #f3f4f6;
  font-weight: 700;
}

[data-theme="dark"] .lightbox-close,
[data-theme="dark"] .lightbox-nav {
  background: rgba(6, 8, 12, 0.8);
}

[data-theme="dark"] .lightbox-close span,
[data-theme="dark"] .lightbox-nav span {
  color: #f3f4f6;
}

.lightbox-prev {
  left: 10px;
}

.lightbox-next {
  right: 10px;
}

.post-meta {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
}

.page-hero {
  padding: 80px 0 40px;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Header + navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 34px;
  height: 34px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  border: none;
  background: none;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--surface);
  border-color: var(--border);
}

.theme-icon {
  width: 18px;
  height: 18px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.theme-icon--crescent {
  border-radius: 50%;
  background: var(--text);
  box-shadow: -6px 0 0 0 var(--bg);
}

.theme-icon--full {
  border-radius: 50%;
  background: var(--text);
}

.theme-icon--full,
[data-theme="dark"] .theme-icon--crescent {
  display: none;
}

[data-theme="dark"] .theme-icon--full {
  display: inline-flex;
}

.nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--text);
  font-weight: 600;
  transition: all 0.2s ease;
}

.nav-cta:hover {
  background: var(--text);
  color: var(--bg);
}

/* Hero */
.hero {
  padding: 90px 0 70px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
}

.hero p {
  font-size: 1.1rem;
  margin-top: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-rotator {
  margin-top: 18px;
  font-weight: 600;
  color: var(--muted);
}

.rotating-text {
  color: var(--text);
  font-weight: 700;
  transition: opacity 0.25s ease;
}

.rotating-text.is-fading {
  opacity: 0;
}

.hero-aside {
  display: grid;
  gap: 20px;
}

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.hero-visual img {
  width: 100%;
  height: auto;
  transform: translate3d(var(--px, 0px), var(--py, 0px), 0);
  transition: transform 0.2s ease;
}

.hero-chip {
  position: absolute;
  top: 18px;
  left: 18px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transform: translate3d(var(--px-chip, 0px), var(--py-chip, 0px), 0);
  transition: transform 0.2s ease;
}

.hero-chip--accent {
  top: auto;
  bottom: 18px;
  left: auto;
  right: 18px;
  background: rgba(245, 158, 11, 0.18);
  color: #92400e;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--badge-bg);
  color: var(--badge-text);
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: all 0.2s ease;
  cursor: pointer;
}

.button-primary {
  background: var(--secondary);
  color: #fff;
  box-shadow: 0 14px 28px rgba(79, 70, 229, 0.25);
}

.button-primary:hover {
  background: #3f38d8;
}

.button-secondary {
  border-color: var(--text);
  color: var(--text);
}

.button-secondary:hover {
  background: var(--text);
  color: var(--bg);
}

/* Cards + grids */
.section-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
}

.cards,
.case-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--surface);
  padding: 26px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.card-spaced {
  margin-top: 20px;
}

.card h3 {
  margin-bottom: 12px;
}

.card p {
  color: var(--muted);
}

.card-icon {
  width: 100%;
  height: auto;
  margin-bottom: 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.services-cards .card {
  display: block;
}

.services-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.services-card-body {
  display: grid;
  gap: 8px;
}

.services-card-body .case-meta {
  color: var(--muted);
}


[data-gallery-item] {
  cursor: pointer;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
}

.stat {
  background: var(--stat-bg);
  color: var(--stat-text);
  padding: 22px;
  border-radius: var(--radius-md);
  margin-top: 18px;
}

.stat p {
  color: var(--stat-muted);
}

.testimonial {
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  color: var(--muted);
}

.testimonial-slider {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 28px;
}

.testimonial-track {
  position: relative;
  min-height: 160px;
}

.testimonial-card {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.35s ease, transform 0.35s ease;
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.testimonial-card.is-active {
  opacity: 1;
  transform: translateY(0);
  position: relative;
  pointer-events: auto;
}

.testimonial-quote {
  font-size: 1.1rem;
  color: var(--text);
}

.testimonial-name {
  margin-top: 16px;
  color: var(--muted);
  font-weight: 600;
}

.testimonial-controls {
  display: flex;
  gap: 12px;
  margin-top: 22px;
}

.logo-strip {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-weight: 600;
}

.logo-strip span {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px dashed var(--border);
}

.case-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}

.case-thumb {
  background: var(--case-thumb-bg);
  padding: 24px;
  display: grid;
  gap: 12px;
}

.case-thumb img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border);
}

.before-after {
  display: grid;
  gap: 16px;
}

.before-after-media {
  position: relative;
  background: var(--surface);
  border-radius: 18px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.before-after-media img {
  width: 100%;
  height: auto;
  display: block;
}

.before-after-media img[data-before] {
  filter: grayscale(1) contrast(0.85) brightness(0.85);
}

.before-after-media img[data-after] {
  display: none;
}

.before-after.is-after .before-after-media img[data-before] {
  display: none;
}

.before-after.is-after .before-after-media img[data-after] {
  display: block;
}

.before-after-controls {
  display: flex;
  gap: 12px;
}

.before-after-controls .button {
  padding: 8px 16px;
  font-size: 0.9rem;
}

[data-theme="dark"] .before-after.is-after .before-after-controls [data-show="after"] {
  background: #f9fafb;
  color: #111827;
  border-color: #f9fafb;
}

[data-theme="dark"] .testimonial-controls .button-secondary,
[data-theme="dark"] .before-after-controls .button-secondary {
  background: #0f1b2d;
  border-color: #0f1b2d;
  color: #f3f4f6;
}

[data-theme="dark"] .testimonial-controls .button-secondary:hover,
[data-theme="dark"] .before-after-controls .button-secondary:hover {
  background: #17243a;
  border-color: #17243a;
}

.case-tag {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.case-body {
  padding: 24px;
  display: grid;
  gap: 12px;
}

.case-meta {
  font-size: 0.9rem;
  color: var(--muted);
}

.audit-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 16px;
}

.faq {
  display: grid;
  gap: 14px;
}

.faq h3 {
  margin-bottom: 4px;
}

.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}

.faq summary::marker {
  color: var(--secondary);
}

.faq details p {
  margin-top: 8px;
  color: var(--muted);
}

.cta-band {
  background: var(--primary);
  color: #fff;
  padding: 60px 0;
}

.cta-band h2 {
  color: #fff;
}

.cta-band p {
  color: rgba(249, 250, 251, 0.7);
}

/* Forms */
.form {
  display: grid;
  gap: 16px;
}

.form label {
  display: grid;
  gap: 8px;
  font-weight: 600;
  color: var(--text);
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form textarea {
  min-height: 140px;
  resize: vertical;
}

.form-hint {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 400;
}

.form-file {
  padding: 10px 12px;
}

.form-file::file-selector-button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  margin-right: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.form-file::file-selector-button:hover {
  border-color: var(--text);
}

.form .has-error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form .button {
  width: fit-content;
}

/* Footer */
.footer {
  padding: 50px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
}

.floating-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 110;
  background: var(--secondary);
  color: #fff;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.floating-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(79, 70, 229, 0.25);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  width: 40px;
  height: 40px;
}

.trust-badges {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-weight: 600;
}

.trust-badges span {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px dashed var(--border);
  background: var(--surface);
}

/* Focus states */
:focus-visible {
  outline: 3px solid rgba(79, 70, 229, 0.5);
  outline-offset: 2px;
}

/* Responsive breakpoints */
@media (max-width: 960px) {
  .nav-links {
    position: absolute;
    top: 72px;
    right: 24px;
    flex-direction: column;
    background: var(--surface);
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    display: none;
    min-width: 210px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 720px) {
  .nav {
    padding: 24px 0;
  }

  .header .container {
    padding: 0 18px;
  }

  .hero {
    padding: 70px 0 50px;
  }

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

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .services-cards .card {
    display: block;
  }

  .services-cards {
    grid-template-columns: 1fr;
  }
}