/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0b0d11;
  --bg-secondary: #0f1117;
  --bg-card: rgba(20, 23, 32, 0.6);
  --bg-card-hover: rgba(26, 30, 42, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(59, 130, 246, 0.3);
  --text-primary: #f0f2f5;
  --text-secondary: #a1a6c0;
  --text-muted: #6b7280;
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --accent-glow: rgba(59, 130, 246, 0.3);
  --accent-subtle: rgba(59, 130, 246, 0.1);
  --white: #ffffff;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== GLASSMORPHISM UTILITY ===== */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
}

h1 {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.accent-text {
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 24px;
  padding: 8px 16px;
  background: var(--accent-subtle);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 100px;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 80px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.15rem;
  margin-top: 20px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  padding: 16px 32px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 32px var(--accent-glow);
}

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

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-light);
  transform: translateY(-4px);
}

/* ===== NAVIGATION ===== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 24px 0;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(11, 13, 17, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

.nav-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--white);
}

.logo-accent {
  color: var(--accent-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.nav-cta {
  background: var(--accent) !important;
  color: var(--white) !important;
  padding: 10px 22px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
}

.nav-cta:hover {
  background: var(--accent-light) !important;
  box-shadow: 0 2px 16px var(--accent-glow);
}

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

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

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

.hero-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  pointer-events: none;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 50% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 40%, black 20%, transparent 70%);
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 580px;
  margin: 24px auto 0;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.trust-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* ===== THE PROBLEM ===== */
#problem {
  padding: 120px 0;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
}

.problem-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.problem-icon {
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.85;
}

.problem-card h3 {
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.problem-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

.problem-cta-card {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.06) 0%, rgba(59, 130, 246, 0.02) 100%);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  max-width: 560px;
  line-height: 1.5;
}

.cta-content .btn {
  flex-shrink: 0;
}

/* ===== WHO WE WORK WITH ===== */
#who-we-work-with {
  padding: 120px 0;
  background: var(--bg-secondary);
  position: relative;
}

#who-we-work-with::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}

.client-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.client-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
}

.client-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.client-icon {
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.8;
}

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

.client-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ===== WHAT YOU GET ===== */
#what-you-get {
  padding: 120px 0;
}

.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.deliverable-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
}

.deliverable-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.deliverable-featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(59, 130, 246, 0.04) 100%);
  border-color: rgba(59, 130, 246, 0.1);
  padding: 44px 36px;
}

.deliverable-featured h3 {
  font-size: 1.3rem;
}

.deliverable-featured p {
  max-width: 680px;
}

.deliverable-number {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 14px;
  opacity: 0.7;
}

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

.deliverable-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ===== HOW IT WORKS ===== */
#how-it-works {
  padding: 120px 0;
  background: var(--bg-secondary);
  position: relative;
}

#how-it-works::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}

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

.step-card {
  display: flex;
  gap: 28px;
  position: relative;
}

.step-card + .step-card {
  margin-top: 0;
}

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

.step-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
  flex-shrink: 0;
  margin-top: 4px;
}

.step-line-v {
  width: 2px;
  flex: 1;
  background: var(--border-color);
  margin: 8px 0;
  min-height: 60px;
}

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

.step-card:last-child .step-body {
  padding-bottom: 0;
}

.step-number {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.step-body h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

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

/* ===== CONTACT ===== */
#contact {
  padding: 120px 0;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.contact-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-family: var(--font-heading);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: var(--transition);
  outline: none;
}

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

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235c6078' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}

.form-group select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

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

/* ===== CASE STUDIES ===== */
#case-studies {
  padding: 120px 0;
  background: var(--bg-primary);
  position: relative;
}

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

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

.case-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.case-image {
  height: 380px;
  width: 100%;
  overflow: hidden;
  position: relative;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.case-overlay {
  position: absolute;
  top: 24px;
  left: 24px;
  z-index: 2;
}

.case-tag {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.case-content {
  padding: 32px;
}

.case-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.case-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.case-content h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.case-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
  line-height: 1.7;
}

.case-results {
  display: flex;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.result-item {
  display: flex;
  flex-direction: column;
}

.result-value {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-light);
}

.result-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== ANIMATIONS ===== */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Responsive fixes */
@media (max-width: 991px) {
  .case-grid { grid-template-columns: 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .problem-grid, .deliverables-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .problem-grid, .deliverables-grid, .client-grid { grid-template-columns: 1fr; }
  .cta-content { flex-direction: column; text-align: center; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}

@keyframes droneHoverMirror {
  0%, 100% { transform: scaleX(-1) translateY(0); }
  50% { transform: scaleX(-1) translateY(-10px); }
}

/* Propeller spin animation */
.propeller {
  animation: propellerSpin 0.15s linear infinite;
  transform-origin: center;
}

@keyframes propellerSpin {
  0% { opacity: 0.15; rx: 14; ry: 3; }
  25% { opacity: 0.3; rx: 3; ry: 14; }
  50% { opacity: 0.15; rx: 14; ry: 3; }
  75% { opacity: 0.3; rx: 3; ry: 14; }
  100% { opacity: 0.15; rx: 14; ry: 3; }
}

/* LED blink */
.drone-led {
  animation: ledBlink 1.2s ease-in-out infinite;
}

@keyframes ledBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

/* ===== FLOATING DRONE PHOTOS ===== */
.hero-drone-photo {
  position: absolute;
  z-index: 1;
  border-radius: var(--radius-lg);
  pointer-events: none;
  opacity: 0.35;
  filter: saturate(0.6) brightness(0.7);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.hero-drone-photo-1 {
  width: 280px;
  top: 8%;
  right: 5%;
  animation: floatDrone1 8s ease-in-out infinite;
  border: 1px solid rgba(59, 130, 246, 0.15);
}

.hero-drone-photo-2 {
  width: 220px;
  bottom: 12%;
  left: 4%;
  animation: floatDrone2 10s ease-in-out infinite;
  border: 1px solid rgba(59, 130, 246, 0.1);
}

@keyframes floatDrone1 {
  0%, 100% { transform: translateY(0) rotate(1deg); }
  33% { transform: translateY(-18px) rotate(-0.5deg); }
  66% { transform: translateY(-8px) rotate(0.5deg); }
}

@keyframes floatDrone2 {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  40% { transform: translateY(-14px) rotate(0.5deg); }
  70% { transform: translateY(-6px) rotate(-0.5deg); }
}

/* ===== ANIMATIONS ===== */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

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

  .deliverable-featured {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(11, 13, 17, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    z-index: 999;
  }

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

  .nav-links a {
    font-size: 1.15rem;
    padding: 12px 24px;
  }

  .mobile-toggle {
    display: flex;
    z-index: 1001;
    position: relative;
  }

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

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

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

  #hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero-trust {
    flex-direction: column;
    gap: 12px;
    margin-top: 40px;
  }

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

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

  .cta-content {
    flex-direction: column;
    text-align: center;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-form {
    padding: 24px;
  }

  .footer-content {
    flex-direction: column;
    gap: 20px;
  }

  #problem,
  #who-we-work-with,
  #what-you-get,
  #how-it-works,
  #contact {
    padding: 80px 0;
  }

  .section-header {
    margin-bottom: 44px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Remove underlines from all links */
a {
    text-decoration: none !important;
}