/* ============================================
   DisrupNovation — Modern AI Firm Styling
   Inspired by Fractional.ai aesthetic
   ============================================ */

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

:root {
  --bg-primary: #070719;
  --bg-secondary: #0c0c2a;
  --bg-card: #0f1035;
  --bg-card-hover: #141450;
  --text-primary: #f0f0f8;
  --text-secondary: #a0a0c0;
  --text-muted: #6a6a8e;
  --accent-blue: #1E94FF;
  --accent-cyan: #17FFF1;
  --gradient: linear-gradient(135deg, #1E94FF 0%, #17FFF1 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(30,148,255,0.15) 0%, rgba(23,255,241,0.08) 100%);
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(30,148,255,0.3);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 30px rgba(0,0,0,0.4);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

img {
  max-width: 100%;
  height: auto;
}

/* --- 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;
}

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

.nav.scrolled {
  background: rgba(7, 7, 25, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 28px;
  width: auto;
}

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

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

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

.nav-cta {
  background: var(--gradient);
  color: var(--bg-primary) !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600 !important;
  transition: opacity var(--transition), transform var(--transition) !important;
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.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-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--gradient);
  color: var(--bg-primary);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(30, 148, 255, 0.3);
}

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

.btn-outline:hover {
  background: rgba(30, 148, 255, 0.1);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

/* --- 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-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(30,148,255,0.12) 0%, rgba(23,255,241,0.04) 40%, transparent 70%);
  pointer-events: none;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 840px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  border: 1px solid rgba(23, 255, 241, 0.2);
  background: rgba(23, 255, 241, 0.05);
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* --- Section Common --- */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Services --- */
.services {
  padding: 120px 0;
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: all var(--transition);
}

.service-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.service-icon {
  margin-bottom: 24px;
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.service-audience {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 16px;
}

.service-card > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.7;
}

.service-list {
  list-style: none;
  margin-bottom: 28px;
}

.service-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient);
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent-blue);
  transition: gap var(--transition);
}

.service-link:hover {
  gap: 14px;
  color: var(--accent-cyan);
}

/* --- About / Why Us --- */
.about {
  padding: 120px 0;
}

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

.about-card {
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.about-card:hover {
  border-color: var(--border-hover);
  background: rgba(30, 148, 255, 0.03);
  transform: translateY(-2px);
}

.about-number {
  font-size: 0.85rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.about-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.about-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Results / Case Study --- */
.results {
  padding: 120px 0;
  background: var(--bg-secondary);
}

.result-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 50px;
  background: rgba(30, 148, 255, 0.1);
  color: var(--accent-blue);
  border: 1px solid rgba(30, 148, 255, 0.15);
}

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

.case-study:hover {
  border-color: var(--border-hover);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.case-study-header {
  padding: 48px 48px 32px;
  border-bottom: 1px solid var(--border);
}

.case-study-header .result-tag {
  margin-bottom: 20px;
}

.case-study-header h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.case-study-client {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

.case-study-body {
  padding: 40px 48px 48px;
}

.case-study-section {
  margin-bottom: 32px;
}

.case-study-section:last-of-type {
  margin-bottom: 40px;
}

.case-study-section h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
}

.case-study-section p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.case-study-highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 32px;
  background: rgba(30, 148, 255, 0.04);
  border: 1px solid rgba(30, 148, 255, 0.1);
  border-radius: var(--radius);
}

.highlight {
  display: flex;
  align-items: center;
  gap: 14px;
}

.highlight-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.highlight span {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* --- Testimonials --- */
.testimonials {
  padding: 120px 0;
}

.testimonial-card {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.quote-icon {
  margin-bottom: 24px;
  opacity: 0.6;
}

.testimonial-quote p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.testimonial-quote p:last-child {
  margin-bottom: 32px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: var(--bg-primary);
  flex-shrink: 0;
}

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

.author-info strong {
  font-size: 1rem;
  font-weight: 700;
}

.author-info span {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* --- Process --- */
.process {
  padding: 120px 0;
}

.process-steps {
  max-width: 640px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  gap: 32px;
  position: relative;
}

.step-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.step-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--gradient);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(30, 148, 255, 0.2);
}

.step-line {
  width: 2px;
  flex: 1;
  background: linear-gradient(to bottom, rgba(30,148,255,0.3), rgba(30,148,255,0.05));
  margin: 8px 0;
}

.step-content {
  padding-bottom: 48px;
}

.step-content h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Contact --- */
.contact {
  padding: 120px 0;
  background: var(--bg-secondary);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-content h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.contact-content > p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-item a {
  color: var(--text-secondary);
}

.contact-item a:hover {
  color: var(--accent-blue);
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  position: relative;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

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

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

.contact-form select {
  appearance: none;
  cursor: pointer;
  color: var(--text-muted);
}

.contact-form select:valid {
  color: var(--text-primary);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(30, 148, 255, 0.1);
}

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

.contact-form .btn {
  margin-top: 8px;
  width: 100%;
  padding: 16px;
  font-size: 1rem;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 12px;
  max-width: 280px;
}

.footer-col h5 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  transition: color var(--transition);
}

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

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

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* --- Scroll Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

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

  .case-study-header,
  .case-study-body {
    padding-left: 32px;
    padding-right: 32px;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 7, 25, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    z-index: 999;
  }

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

  .nav-links a {
    font-size: 1.2rem;
  }

  .menu-toggle {
    display: flex;
    z-index: 1001;
  }

  .menu-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-stats {
    gap: 32px;
  }

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

  .case-study-header,
  .case-study-body {
    padding-left: 24px;
    padding-right: 24px;
  }

  .case-study-header {
    padding-top: 32px;
    padding-bottom: 24px;
  }

  .case-study-body {
    padding-top: 28px;
    padding-bottom: 32px;
  }

  .testimonial-card {
    padding: 32px 24px;
  }

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

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

  .process-step {
    gap: 20px;
  }
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient);
  border-radius: 4px;
}

::selection {
  background: rgba(30, 148, 255, 0.3);
  color: var(--text-primary);
}