/* ==========================================================
   AINDYLABS — Main Stylesheet
   Design System: Dark Tech Elegance
   Author: AINDYLABS Dev Team
   ========================================================== */

/* ----------------------------------------------------------
   1. DESIGN TOKENS — CSS Custom Properties
   ---------------------------------------------------------- */
:root {
  /* Color palette */
  --color-bg-primary:       #050A14;
  --color-bg-secondary:     #0D1626;
  --color-bg-card:          #0F1A2E;
  --color-bg-card-hover:    #142035;
  --color-accent-blue:      #3B82F6;
  --color-accent-indigo:    #6366F1;
  --color-accent-blue-dim:  rgba(59, 130, 246, 0.15);
  --color-accent-indigo-dim:rgba(99, 102, 241, 0.12);
  --color-glow-blue:        rgba(59, 130, 246, 0.20);
  --color-glow-indigo:      rgba(99, 102, 241, 0.18);
  --color-text-primary:     #FFFFFF;
  --color-text-body:        #E2E8F0;
  --color-text-secondary:   #94A3B8;
  --color-text-muted:       #64748B;
  --color-border:           rgba(59, 130, 246, 0.15);
  --color-border-hover:     rgba(59, 130, 246, 0.40);
  --color-error:            #F87171;
  --color-success:          #34D399;
  --color-warning:          #FBBF24;

  /* Typography */
  --font-family-base:  'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-size-xs:      0.75rem;    /* 12px */
  --font-size-sm:      0.875rem;   /* 14px */
  --font-size-base:    1rem;       /* 16px */
  --font-size-md:      1.125rem;   /* 18px */
  --font-size-lg:      1.25rem;    /* 20px */
  --font-size-xl:      1.5rem;     /* 24px */
  --font-size-2xl:     2rem;       /* 32px */
  --font-size-3xl:     2.5rem;     /* 40px */
  --font-size-4xl:     3rem;       /* 48px */
  --font-size-5xl:     3.75rem;    /* 60px */
  --font-weight-regular: 400;
  --font-weight-medium:  500;
  --font-weight-semibold:600;
  --font-weight-bold:    700;
  --line-height-tight:   1.2;
  --line-height-normal:  1.6;
  --line-height-relaxed: 1.8;

  /* Spacing (multiples of 8px) */
  --space-1:  0.25rem;  /* 4px  */
  --space-2:  0.5rem;   /* 8px  */
  --space-3:  0.75rem;  /* 12px */
  --space-4:  1rem;     /* 16px */
  --space-5:  1.25rem;  /* 20px */
  --space-6:  1.5rem;   /* 24px */
  --space-8:  2rem;     /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* Border radius */
  --radius-sm:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1rem;
  --radius-xl:   1.5rem;
  --radius-full: 9999px;

  /* Shadows & Glows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 1px 4px rgba(0, 0, 0, 0.2);
  --shadow-glow-blue:   0 0 40px rgba(59, 130, 246, 0.15), 0 0 80px rgba(59, 130, 246, 0.08);
  --shadow-glow-indigo: 0 0 40px rgba(99, 102, 241, 0.15), 0 0 80px rgba(99, 102, 241, 0.08);
  --shadow-btn:         0 4px 16px rgba(59, 130, 246, 0.30);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Layout */
  --container-max: 1200px;
  --navbar-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text-body);
  background-color: var(--color-bg-primary);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(59, 130, 246, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(99, 102, 241, 0.06) 0%, transparent 60%);
  background-attachment: fixed;
  overflow-x: hidden;
  min-height: 100vh;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

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

ul, ol {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
}

/* ----------------------------------------------------------
   3. LAYOUT UTILITIES
   ---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: var(--space-24);
}

.section--alt {
  background-color: var(--color-bg-secondary);
  position: relative;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section__eyebrow {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  background: var(--color-accent-blue-dim);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  margin-bottom: var(--space-4);
}

.section__title {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}

.section__subtitle {
  font-size: clamp(var(--font-size-base), 2vw, var(--font-size-md));
  color: var(--color-text-secondary);
  max-width: 640px;
  margin-inline: auto;
  line-height: var(--line-height-relaxed);
}

/* Gradient text utility */
.gradient-text {
  background: linear-gradient(135deg, var(--color-accent-blue) 0%, var(--color-accent-indigo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ----------------------------------------------------------
   4. BUTTONS
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  transition:
    background var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast),
    opacity var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-base);
  border-radius: inherit;
  background: rgba(255, 255, 255, 0.08);
}

.btn:hover::before {
  opacity: 1;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent-blue) 0%, var(--color-accent-indigo) 100%);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover {
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.45);
  transform: translateY(-1px);
}

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

.btn--secondary:hover {
  border-color: var(--color-accent-blue);
  color: var(--color-text-primary);
  box-shadow: 0 0 16px var(--color-glow-blue);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent-blue);
  border: 1px solid var(--color-accent-blue);
}

.btn--outline:hover {
  background: var(--color-accent-blue-dim);
  box-shadow: var(--shadow-glow-blue);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Spinner inside button */
.btn__spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}

.btn--loading .btn__spinner {
  display: block;
}

.btn--loading .btn__text {
  opacity: 0.6;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ----------------------------------------------------------
   5. NAVBAR
   ---------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  transition:
    background var(--transition-slow),
    backdrop-filter var(--transition-slow),
    box-shadow var(--transition-slow),
    border-color var(--transition-slow);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(5, 10, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--color-border);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
}

.navbar__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.navbar__logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.navbar__logo-text span {
  background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-indigo));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Nav links */
.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar__nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
  position: relative;
  padding-bottom: 2px;
}

.navbar__nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-indigo));
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.navbar__nav-link:hover {
  color: var(--color-text-primary);
}

.navbar__nav-link:hover::after {
  width: 100%;
}

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  background: none;
  border: none;
  z-index: 1001;
}

.navbar__hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-body);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
  transform-origin: center;
}

.navbar__hamburger.open .navbar__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__hamburger.open .navbar__hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar__hamburger.open .navbar__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.navbar__mobile-menu {
  display: none;
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(5, 10, 20, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  z-index: 999;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  pointer-events: none;
}

.navbar__mobile-menu.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.navbar__mobile-menu .navbar__nav-link {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-body);
}

/* ----------------------------------------------------------
   6. HERO SECTION
   ---------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--navbar-height);
}

/* Canvas particle layer */
#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Ambient glow blobs */
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero__glow--blue {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
  top: -100px;
  left: -200px;
  animation: float-slow 12s ease-in-out infinite;
}

.hero__glow--indigo {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.10) 0%, transparent 70%);
  bottom: -50px;
  right: -150px;
  animation: float-slow 10s ease-in-out infinite reverse;
}

@keyframes float-slow {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(20px, -30px); }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  padding-block: var(--space-20);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent-blue);
  background: var(--color-accent-blue-dim);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-8);
  animation: fade-slide-up 0.6s ease both;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-accent-blue);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.5); opacity: 0.6; }
}

.hero__title {
  font-size: clamp(var(--font-size-3xl), 6vw, var(--font-size-5xl));
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-6);
  animation: fade-slide-up 0.6s 0.1s ease both;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: clamp(var(--font-size-md), 2.5vw, var(--font-size-xl));
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-10);
  max-width: 600px;
  animation: fade-slide-up 0.6s 0.2s ease both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  animation: fade-slide-up 0.6s 0.3s ease both;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fade-in 1s 1s ease both;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent-blue), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1; transform: scaleY(1.3); }
}

/* ----------------------------------------------------------
   7. SERVICES SECTION
   ---------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  align-items: stretch;
}

/* Center last row items if they don't fill the row */
@supports (grid-template-rows: masonry) {
  .services-grid { grid-template-rows: masonry; }
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card), var(--shadow-glow-blue);
  transform: translateY(-4px);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-accent-blue-dim);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.service-card:hover .service-card__icon {
  background: rgba(59, 130, 246, 0.25);
  box-shadow: 0 0 20px var(--color-glow-blue);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent-blue);
  stroke: var(--color-accent-blue);
}

.service-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
}

.service-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  flex: 1;
}

/* ----------------------------------------------------------
   8. WHY AINDYLABS SECTION
   ---------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
  align-items: stretch;
}

.why-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: center;
  align-items: center;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
  box-shadow: var(--shadow-card);
}

.why-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card), var(--shadow-glow-indigo);
  transform: translateY(-4px);
}

.why-card__icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--color-accent-indigo-dim);
  border: 1px solid rgba(99, 102, 241, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  transition: box-shadow var(--transition-base);
  flex-shrink: 0;
}

.why-card:hover .why-card__icon-wrap {
  box-shadow: 0 0 24px var(--color-glow-indigo);
}

.why-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.why-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ----------------------------------------------------------
   9. CTA BANNER SECTION
   ---------------------------------------------------------- */
.cta-banner {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-24);
  background: var(--color-bg-secondary);
  isolation: isolate;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 50% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(99, 102, 241, 0.06) 0%, transparent 60%);
  z-index: -1;
}

.cta-banner__border {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta-banner__inner {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
}

.cta-banner__title {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-3xl));
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
}

.cta-banner__subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-top: calc(-1 * var(--space-4));
}

/* ----------------------------------------------------------
   10. CONTACT SECTION
   ---------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact-info__title {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-3xl));
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
}

.contact-info__subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-top: calc(-1 * var(--space-4));
}

.contact-info__phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent-blue);
  transition: color var(--transition-base);
}

.contact-info__phone:hover {
  color: var(--color-accent-indigo);
}

.contact-info__phone svg {
  width: 22px;
  height: 22px;
}

.contact-info__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-info__feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.contact-info__feature-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-indigo));
  flex-shrink: 0;
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.contact-form-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-indigo), transparent);
}

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-body);
}

.form-label span {
  color: var(--color-accent-blue);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-body);
  font-size: var(--font-size-sm);
  font-family: var(--font-family-base);
  transition:
    border-color var(--transition-base),
    background var(--transition-base),
    box-shadow var(--transition-base);
  outline: none;
  min-height: 48px;
}

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

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent-blue);
  background: rgba(59, 130, 246, 0.06);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.10);
}

.form-select {
  cursor: pointer;
  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='%2394A3B8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 2.5rem;
}

.form-select option {
  background: var(--color-bg-secondary);
  color: var(--color-text-body);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: var(--line-height-relaxed);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  display: none;
  align-items: center;
  gap: var(--space-1);
}

.form-error.visible {
  display: flex;
}

/* Honeypot — invisible to humans */
.form-honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  pointer-events: none;
  tab-index: -1;
  aria-hidden: true;
}

/* Form success / error messages */
.form-feedback {
  display: none;
  padding: var(--space-6);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  gap: var(--space-3);
  flex-direction: column;
  align-items: center;
}

.form-feedback.visible {
  display: flex;
}

.form-feedback--success {
  background: rgba(52, 211, 153, 0.10);
  border: 1px solid rgba(52, 211, 153, 0.25);
  color: var(--color-success);
}

.form-feedback--error {
  background: rgba(248, 113, 113, 0.10);
  border: 1px solid rgba(248, 113, 113, 0.25);
  color: var(--color-error);
}

.form-feedback__icon {
  font-size: 2rem;
}

.form-feedback__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.form-feedback__text {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Rate limit message */
.form-rate-limit {
  display: none;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.20);
  color: var(--color-warning);
  font-size: var(--font-size-sm);
  text-align: center;
}

.form-rate-limit.visible {
  display: block;
}

/* ----------------------------------------------------------
   11. FOOTER
   ---------------------------------------------------------- */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-12);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  text-align: center;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.footer__logo-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.footer__logo-text span {
  background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-indigo));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-1) var(--space-6);
}

.footer__legal-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
  cursor: pointer;
}

.footer__legal-link:hover {
  color: var(--color-accent-blue);
}

/* ----------------------------------------------------------
   12. MODALS (Legal)
   ---------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 720px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6), var(--shadow-glow-blue);
  transform: translateY(16px) scale(0.98);
  transition: transform var(--transition-base);
  overflow: hidden;
}

.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.modal__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.modal__close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base);
  cursor: pointer;
  flex-shrink: 0;
}

.modal__close:hover {
  background: rgba(248, 113, 113, 0.10);
  color: var(--color-error);
  border-color: rgba(248, 113, 113, 0.25);
}

.modal__body {
  overflow-y: auto;
  padding: var(--space-8);
  flex: 1;
  scroll-behavior: smooth;
}

/* Custom scrollbar for modal */
.modal__body::-webkit-scrollbar {
  width: 6px;
}
.modal__body::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}
.modal__body::-webkit-scrollbar-thumb {
  background: var(--color-text-muted);
  border-radius: var(--radius-full);
}

.modal__content {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  font-size: var(--font-size-sm);
}

.modal__content h2 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.modal__content h2:first-child {
  margin-top: 0;
}

.modal__content p {
  margin-bottom: var(--space-4);
}

.modal__content ul {
  list-style: disc;
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.modal__content ul li {
  margin-bottom: var(--space-2);
}

.modal__content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-6);
  font-size: var(--font-size-xs);
}

.modal__content table th,
.modal__content table td {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  text-align: left;
}

.modal__content table th {
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

/* ----------------------------------------------------------
   13. SCROLL REVEAL ANIMATIONS
   ---------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* Keyframes shared */
@keyframes fade-slide-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ----------------------------------------------------------
   14. FOCUS STYLES (Accessibility)
   ---------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ----------------------------------------------------------
   15. RESPONSIVE — Tablet (max 1024px)
   ---------------------------------------------------------- */
@media (max-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .contact-info {
    max-width: 600px;
    margin-inline: auto;
    text-align: center;
    align-items: center;
  }

  .contact-info__features {
    align-items: center;
  }

  .contact-info__feature {
    justify-content: center;
  }
}

@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ----------------------------------------------------------
   16. RESPONSIVE — Mobile (max 768px)
   ---------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --navbar-height: 64px;
  }

  .navbar__nav,
  .navbar__cta {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .section {
    padding-block: var(--space-16);
  }

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

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

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

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

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

@media (max-width: 480px) {
  .container {
    padding-inline: var(--space-4);
  }

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

  .contact-form-wrapper {
    padding: var(--space-6);
  }

  .modal__body {
    padding: var(--space-6);
  }

  .modal__header {
    padding: var(--space-5) var(--space-6);
  }

  .footer__legal {
    gap: var(--space-1) var(--space-4);
  }
}

/* ----------------------------------------------------------
   17. SECTION DIVIDERS
   ---------------------------------------------------------- */
.section--alt::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

/* ----------------------------------------------------------
   18. SCROLLBAR (Global)
   ---------------------------------------------------------- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--color-bg-card);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* ----------------------------------------------------------
   19. SELECTION COLOR
   ---------------------------------------------------------- */
::selection {
  background: rgba(59, 130, 246, 0.30);
  color: var(--color-text-primary);
}