/* ==================== */
/*  VARIABLES & RESET   */
/* ==================== */
:root {
  --bg: #09090b;
  --bg-2: #131316;
  --bg-3: #1a1a1f;
  --surface: #222228;
  --border: #2a2a30;
  --text: #fafafa;
  --text-2: #a1a1aa;
  --text-3: #71717a;
  --accent: #7c5cfc;
  --accent-2: #a78bfa;
  --accent-glow: rgba(124, 92, 252, 0.25);
  --gradient: linear-gradient(135deg, #7c5cfc 0%, #c084fc 50%, #f472b6 100%);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
}

/* ==================== */
/*     UTILITIES        */
/* ==================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.btn:hover {
  background: #6a48e8;
  transform: translateY(-1px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: 12px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.875rem;
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  background: var(--bg-3);
  border-color: var(--accent);
  box-shadow: none;
}

.btn-full {
  width: 100%;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-2);
  background: rgba(124, 92, 252, 0.1);
  border: 1px solid rgba(124, 92, 252, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-2);
  font-size: 1.1rem;
}

/* ==================== */
/*     NAVIGATION       */
/* ==================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}

.nav.scrolled {
  background: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  transition: var(--transition);
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ==================== */
/*        HERO          */
/* ==================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

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

.hero-gradient {
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(124, 92, 252, 0.15) 0%, rgba(124, 92, 252, 0.05) 40%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-2);
  background: rgba(124, 92, 252, 0.08);
  border: 1px solid rgba(124, 92, 252, 0.15);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.8rem, 6.5vw, 5rem);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--text-2);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 72px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.stat-num {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-3);
  margin-top: 4px;
}

/* ==================== */
/*       LOGOS          */
/* ==================== */
.logos-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}

.logos-label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 32px;
}

.logos-track {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
}

.logos-slide {
  display: flex;
  gap: 64px;
  justify-content: center;
  flex-wrap: wrap;
}

.logo-item {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-3);
  white-space: nowrap;
  opacity: 0.5;
  transition: var(--transition);
}

.logo-item:hover {
  opacity: 1;
  color: var(--text-2);
}

/* ==================== */
/*      SERVICES        */
/* ==================== */
.services {
  padding: 120px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition);
}

.service-card:hover {
  border-color: rgba(124, 92, 252, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124, 92, 252, 0.1);
  border-radius: 12px;
  margin-bottom: 20px;
}

.service-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-2);
}

.service-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card > p {
  color: var(--text-2);
  font-size: 0.92rem;
  margin-bottom: 20px;
  line-height: 1.6;
}

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-list li {
  font-size: 0.85rem;
  color: var(--text-3);
  padding-left: 18px;
  position: relative;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ==================== */
/*    CASE STUDIES      */
/* ==================== */
.work {
  padding: 120px 0;
  background: var(--bg-2);
}

.cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.case-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.case-card:hover {
  border-color: rgba(124, 92, 252, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.case-card-lg {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.case-img {
  height: 240px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 20px;
}

.case-card-lg .case-img {
  height: 100%;
  min-height: 320px;
}

.case-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 100px;
  color: #fff;
}

.case-body {
  padding: 32px;
}

.case-body h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.case-body > p {
  color: var(--text-2);
  font-size: 0.92rem;
  margin-bottom: 24px;
  line-height: 1.6;
}

.case-metrics {
  display: flex;
  gap: 28px;
}

.case-metrics div {
  display: flex;
  flex-direction: column;
}

.case-metrics strong {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.case-metrics span {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: 2px;
}

/* ==================== */
/*      PROCESS         */
/* ==================== */
.process {
  padding: 120px 0;
}

.process-steps {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

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

.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  flex-shrink: 0;
  width: 72px;
}

.step-content h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==================== */
/*    TESTIMONIALS      */
/* ==================== */
.testimonials {
  padding: 120px 0;
  background: var(--bg-2);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: rgba(124, 92, 252, 0.3);
}

.stars {
  color: #facc15;
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card > p {
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--text-3);
}

/* ==================== */
/*        CTA           */
/* ==================== */
.cta-section {
  padding: 120px 0;
}

.cta-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 64px;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124, 92, 252, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.cta-content h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-content > p {
  color: var(--text-2);
  font-size: 1.05rem;
  margin-bottom: 36px;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.cta-form input,
.cta-form select,
.cta-form textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.92rem;
  transition: var(--transition);
  outline: none;
}

.cta-form input::placeholder,
.cta-form textarea::placeholder {
  color: var(--text-3);
}

.cta-form select {
  color: var(--text-3);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2371717a' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.cta-form input:focus,
.cta-form select:focus,
.cta-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.cta-form textarea {
  resize: vertical;
  min-height: 80px;
}

.cta-form .btn {
  margin-top: 8px;
}

/* ==================== */
/*       FOOTER         */
/* ==================== */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-3);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 280px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 4px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-3);
  transition: var(--transition);
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-3);
}

/* ==================== */
/*     RESPONSIVE       */
/* ==================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-2);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: var(--transition);
    border-left: 1px solid var(--border);
  }

  .nav-links.open {
    right: 0;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

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

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

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

  .case-card-lg {
    grid-template-columns: 1fr;
  }

  .case-card-lg .case-img {
    min-height: 200px;
  }

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

  .step {
    flex-direction: column;
    gap: 12px;
  }

  .step-num {
    font-size: 2rem;
    width: auto;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .cta-box {
    padding: 40px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .case-metrics {
    flex-wrap: wrap;
    gap: 16px;
  }
}

/* ==================== */
/*    ANIMATIONS        */
/* ==================== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero entrance */
.hero-badge,
.hero h1,
.hero-sub,
.hero-actions {
  animation: fadeUp 0.7s ease forwards;
}

.hero h1 { animation-delay: 0.1s; }
.hero-sub { animation-delay: 0.2s; }
.hero-actions { animation-delay: 0.3s; }
.hero-stats { animation: fadeUp 0.7s 0.5s ease forwards; opacity: 0; }