:root {
  --void: #0a0a0f;
  --surface: #12121a;
  --surface-raised: #1a1a26;
  --line: #2a2a3a;
  --text-primary: #e8e6e3;
  --text-secondary: #8b8b9e;
  --text-muted: #5a5a6e;
  --accent: #00d4aa;
  --accent-deep: #00b894;
  --accent-glow: rgba(0, 212, 170, 0.12);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-micro: 200ms;
  --duration-reveal: 600ms;

  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 80px;
  --space-3xl: 120px;
}

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

html {
  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;
  }
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--void);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
textarea {
  font: inherit;
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ─── NAV ─── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: background 200ms ease;
}

.nav-scrolled {
  background: rgba(10, 10, 15, 0.97);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 72px;
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: var(--void);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  border-radius: 8px;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  margin-left: auto;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--duration-micro) ease;
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--duration-micro) var(--ease-out);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ─── BUTTONS ─── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 8px;
  transition: all var(--duration-micro) var(--ease-out);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--void);
}

.btn-primary:hover {
  background: var(--accent-deep);
  transform: translateY(-2px);
}

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

.btn-ghost:hover {
  background: var(--surface-raised);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 16px;
}

/* ─── HERO ─── */

.hero {
  padding: calc(72px + var(--space-3xl)) var(--space-lg) var(--space-3xl);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

.hero .container {
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-2xl);
  align-items: center;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(48px, 7vw, 80px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.hero-title .accent {
  color: var(--accent);
}

.hero-lede {
  font-size: 20px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: var(--space-xl);
}

.hero-ctas {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.hero-metric {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.metric-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 40px;
  letter-spacing: -0.03em;
  color: var(--accent);
  min-width: 80px;
}

.metric-label {
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ─── SERVICES / PILLARS ─── */

.services {
  padding: var(--space-3xl) var(--space-lg);
  border-top: 1px solid var(--line);
}

.section-head {
  margin-bottom: var(--space-2xl);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-lede {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin-top: var(--space-sm);
}

.pillar {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--line);
}

.pillar:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.pillar-head {
  display: grid;
  grid-template-columns: auto 1fr 300px;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.pillar-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.pillar-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.pillar-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 56px;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
}

.pillar-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.pillar-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 520px;
}

.pillar-transform {
  font-size: 15px;
  color: var(--accent);
  font-weight: 500;
  margin-top: var(--space-xs);
  font-style: italic;
}

.pillar-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: var(--space-lg);
  transition: all var(--duration-micro) var(--ease-out);
  position: relative;
}

.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.service-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-xs);
}

.service-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ─── PROCESS ─── */

.process {
  padding: var(--space-3xl) var(--space-lg);
  border-top: 1px solid var(--line);
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-step {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

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

.step-marker {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 56px;
  letter-spacing: -0.03em;
  color: var(--surface-raised);
  line-height: 1;
  transition: color 400ms var(--ease-out);
}

.process-step:hover .step-marker {
  color: var(--accent);
}

.step-content h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-xs);
}

.step-content p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 520px;
}

/* ─── BLOG ─── */

.blog {
  padding: var(--space-3xl) var(--space-lg);
  border-top: 1px solid var(--line);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--duration-micro) var(--ease-out);
}

.blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.blog-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-content {
  padding: var(--space-md);
}

.blog-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.blog-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: var(--space-xs);
}

.blog-excerpt {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.blog-link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--accent);
  transition: color var(--duration-micro) ease;
}

.blog-link:hover {
  color: var(--accent-deep);
}

/* ─── CTA SECTION ─── */

.cta-section {
  padding: var(--space-3xl) var(--space-lg);
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.cta-content {
  max-width: 680px;
}

.cta-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.cta-desc {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 540px;
}

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

.form-row {
  display: flex;
  gap: var(--space-sm);
}

.form-row input,
.form-row textarea {
  flex: 1;
  background: var(--void);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 15px;
  color: var(--text-primary);
  transition: border-color var(--duration-micro) ease;
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: var(--text-muted);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-row textarea {
  resize: vertical;
  min-height: 100px;
}

.contact-form .btn {
  align-self: flex-start;
}

/* ─── FOOTER ─── */

.footer {
  padding: var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--line);
}

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

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

.footer-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--duration-micro) ease;
}

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

/* ─── REVEAL ANIMATION ─── */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-reveal) var(--ease-out),
              transform var(--duration-reveal) var(--ease-out);
}

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

/* ─── RESPONSIVE ─── */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .hero-visual {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .hero-metric {
    flex: 1;
    min-width: 180px;
  }

  .pillar-head {
    grid-template-columns: auto 1fr;
  }

  .pillar-image {
    grid-column: 1 / -1;
  }

  .pillar-image img {
    height: 250px;
  }

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

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

@media (max-width: 768px) {
  :root {
    --space-3xl: 80px;
    --space-2xl: 56px;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms var(--ease-out);
    z-index: 105;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: all;
  }

  .nav-links a {
    font-size: 24px;
    font-family: var(--font-display);
    font-weight: 600;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-actions .btn-sm {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: calc(72px + var(--space-2xl));
  }

  .hero-title {
    font-size: clamp(36px, 9vw, 56px);
  }

  .hero-lede {
    font-size: 17px;
  }

  .hero-visual {
    flex-direction: column;
  }

  .hero-metric {
    min-width: auto;
  }

  .pillar-head {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .pillar-num {
    font-size: 40px;
  }

  .pillar-title {
    font-size: 24px;
  }

  .pillar-image {
    order: -1;
  }

  .pillar-image img {
    height: 180px;
  }

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

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .process-step {
    grid-template-columns: 60px 1fr;
    gap: var(--space-sm);
  }

  .step-marker {
    font-size: 40px;
  }

  .form-row {
    flex-direction: column;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }

  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .metric-number {
    font-size: 32px;
    min-width: 60px;
  }
}