/* ============================================================
   Trektotech 2026  Design System
   Scope: all classes prefixed with .dl-* (for compatibility) + new .tt-* classes.
   A premium, futuristic SaaS aesthetic.
   ============================================================ */

:root {
  /* Brand Palette (Updated from Image) */
  --tt-primary: #7566F0; /* Medium Purple/Blue */
  --tt-primary-glow: rgba(117, 102, 240, 0.2);
  --tt-secondary: #1E1687; /* Dark Blue/Navy */
  --tt-accent: #A796FF; /* Light Purple/Lavender */
  
  /* Neutral Palette (Flipped for Light Mode) */
  --tt-bg: #FFFFFF; /* White */
  --tt-surface: #FFFFFF; /* White */
  --tt-surface-2: #E6E2FF; /* Very Light Purple */
  --tt-border: rgba(30, 22, 135, 0.1); /* Using Dark Blue with opacity */
  --tt-border-strong: rgba(30, 22, 135, 0.2);
  
  /* Text (Flipped for Light Mode) */
  --tt-text: #1E1687; /* Using Dark Blue as main text color */
  --tt-text-dim: #4A5568; /* Slate gray for dim text */
  --tt-text-mute: #718096; /* Lighter slate gray for mute text */

  /* Spacing & Radius */
  --tt-radius-sm: 8px;
  --tt-radius: 16px;
  --tt-radius-lg: 24px;
  --tt-radius-full: 999px;

  /* Typography */
  --tt-font-sans: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  --tt-font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
  --tt-font-mono: 'JetBrains Mono', monospace;

  /* Animations */
  --tt-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --tt-transition: 0.3s var(--tt-ease);
}

/* Mapping legacy .dl-* variables for backward compatibility if needed, 
   but we'll mostly use new ones or override .dl-* classes directly */
:root {
  --dl-bg: var(--tt-bg);
  --dl-bg-2: var(--tt-surface);
  --dl-surface: var(--tt-surface);
  --dl-surface-2: var(--tt-surface-2);
  --dl-border: var(--tt-border);
  --dl-border-strong: var(--tt-border-strong);
  --dl-text: var(--tt-text);
  --dl-text-dim: var(--tt-text-dim);
  --dl-text-mute: var(--tt-text-mute);
  --dl-accent: var(--tt-primary);
  --dl-accent-ink: #000;
  --dl-accent-soft: var(--tt-primary-glow);
  --dl-font-sans: var(--tt-font-sans);
  --dl-font-display: var(--tt-font-display);
  --dl-font-mono: var(--tt-font-mono);
  --dl-radius: var(--tt-radius);
  --dl-ease: var(--tt-ease);
}

/* Base Styles */
body.dl-site, 
body.index-page {
  background-color: var(--tt-bg);
  color: var(--tt-text);
  font-family: var(--tt-font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}



/* Typography Overrides */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--tt-font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--tt-text);
}

.dl-italic {
  font-style: italic;
  background: linear-gradient(90deg, var(--tt-primary), var(--tt-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

/* Buttons */
body.dl-site .btn,
body.index-page .btn {
  border-radius: var(--tt-radius-full);
  padding: 12px 28px;
  font-weight: 600;
  transition: all var(--tt-transition);
  border: 1px solid transparent;
}

body.dl-site .btn-primary {
  background: var(--tt-primary);
  color: #fff;
  box-shadow: 0 0 20px var(--tt-primary-glow);
}

body.dl-site .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--tt-primary-glow);
  background: #fff;
  color: var(--tt-primary);
  border-color: var(--tt-primary);
}

body.dl-site .btn-outline-primary {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--tt-border-strong);
  color: var(--tt-text);
}

body.dl-site .btn-outline-primary:hover {
  border-color: var(--tt-primary);
  color: var(--tt-primary);
}

/* Eyebrow & Badges */
.dl-eyebrow {
  display: inline-block;
  font-family: var(--tt-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--tt-primary);
  margin-bottom: 16px;
  padding-left: 24px;
  position: relative;
}

.dl-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 1px;
  background: var(--tt-primary);
}

.dl-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--tt-border);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--tt-text-dim);
}

.dl-status-dot {
  width: 6px;
  height: 6px;
  background: var(--tt-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--tt-primary);
  animation: dl-pulse 2s infinite;
}

@keyframes dl-pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.5; }
  100% { transform: scale(1); opacity: 1; }
}

/* Header Redesign */
.dl-header {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1040;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 24px;
  background: #FFFFFF;
  border: 1px solid rgba(30, 22, 135, 0.1);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(30, 22, 135, 0.05);
  max-width: calc(100vw - 32px);
  width: max-content;
  transition: all 0.5s var(--tt-ease);
}

.dl-header.scrolled {
  top: 14px;
  background: #FFFFFF;
  border-color: rgba(30, 22, 135, 0.15);
}

.dl-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 4px 12px;
  color: var(--tt-text);
  text-decoration: none !important;
  font-family: var(--tt-font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.1rem;
}

.dl-brand span {
  background: linear-gradient(135deg, var(--tt-secondary) 0%, var(--tt-primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.dl-nav {
  display: flex;
  gap: 6px;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.dl-nav li {
  margin: 0 !important;
  padding: 0 !important;
}

.dl-nav a {
  display: inline-block;
  padding: 10px 18px;
  color: var(--tt-text-dim);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none !important;
  border-radius: 999px;
  transition: all 0.3s var(--tt-ease);
}

.dl-nav a:hover, 
.dl-nav a.active {
  color: var(--tt-primary);
  background: rgba(117, 102, 240, 0.08);
}

.dl-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--tt-primary) 0%, #5d4ee6 100%);
  color: #ffffff !important;
  border-radius: 999px;
  text-decoration: none !important;
  font-size: 0.9rem;
  font-weight: 700;
  border: 1.5px solid transparent;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 15px rgba(117, 102, 240, 0.3);
}

.dl-header-cta i {
  font-size: 0.85rem;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.dl-header-cta:hover {
  transform: translateY(-2px) scale(1.02);
  background: #ffffff;
  color: var(--tt-primary) !important;
  border-color: var(--tt-primary);
  box-shadow: 0 8px 25px rgba(117, 102, 240, 0.4);
}

.dl-header-cta:hover i {
  transform: translate(2px, -2px);
}

.dl-nav-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.05);
  color: var(--tt-text);
  border: 1px solid var(--tt-border);
  border-radius: 999px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
}

@media (max-width: 991px) {
  .dl-header { padding: 10px; gap: 12px; width: auto; }
  .dl-nav { display: none; }
  .dl-nav-toggle { display: inline-flex; }
  .dl-header-cta { display: none; }
  
  .dl-header.dl-open {
    flex-direction: column;
    align-items: stretch;
    border-radius: 28px;
    padding: 20px;
    width: calc(100vw - 40px);
    max-width: 320px;
  }
  
  .dl-header.dl-open .dl-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 16px;
    width: 100%;
  }
  
  .dl-header.dl-open .dl-nav a {
    width: 100%;
    padding: 12px 20px;
  }
}

/* Section Scaffolding */
.dl-section {
  position: relative;
  padding: 100px 0;
  z-index: 1;
}

.dl-section-head {
  max-width: 800px;
  margin-bottom: 60px;
}

.dl-section-head.text-center {
  margin-left: auto;
  margin-right: auto;
}

.dl-section-head h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 20px;
}

/* Hero Section */
.dl-hero {
  position: relative;
  padding: 110px 0 100px;
  overflow: hidden;
  text-align: center;
}

.dl-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../img/hero-bg.svg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.15; /* Make it "lite" and subtle */
  z-index: 1;
}

.dl-hero-inner {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.dl-hero h1 {
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 1.05;
  margin: 24px 0 32px;
  letter-spacing: -0.04em;
}

.dl-hero-lead {
  font-size: 1.25rem;
  max-width: 720px;
  margin: 0 auto 48px;
  color: var(--tt-text-dim);
  line-height: 1.6;
}

.dl-hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Ticker */
.dl-ticker {
  margin-top: 40px;
  padding: 20px 0;
  border-top: 1px solid var(--tt-border);
  border-bottom: 1px solid var(--tt-border);
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.dl-ticker-track {
  display: flex;
  white-space: nowrap;
  animation: dl-ticker 40s linear infinite;
}

@keyframes dl-ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.dl-ticker-item {
  display: inline-flex;
  align-items: center;
  padding: 0 30px;
  color: var(--tt-text-mute);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.dl-ticker-item::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--tt-primary);
  border-radius: 50%;
  margin-right: 20px;
  box-shadow: 0 0 10px var(--tt-primary);
}

/* Bento & Cards */
.dl-bento-card, 
.dl-project-card,
.dl-industry-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--tt-radius-lg);
  background: var(--tt-surface);
  border: 1px solid var(--tt-border);
  transition: all 0.5s var(--tt-ease);
  text-decoration: none !important;
  color: var(--tt-text) !important;
  height: 100%;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(30, 22, 135, 0.03);
}

.dl-project-card {
  padding: 0; /* Handled by body and thumb */
}

.dl-bento-card {
  padding: 40px;
  justify-content: space-between;
}

.dl-industry-card {
  padding: 32px;
}

.dl-bento-card:hover,
.dl-project-card:hover,
.dl-industry-card:hover {
  border-color: var(--tt-primary);
  background: var(--tt-surface-2);
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(30, 22, 135, 0.08);
}

.dl-project-thumb {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  border-bottom: 1px solid var(--tt-border);
}

.dl-project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--tt-ease);
}

.dl-project-card:hover .dl-project-thumb img {
  transform: scale(1.08);
}

.dl-project-body {
  padding: 32px;
}

.dl-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--tt-primary);
  margin-bottom: 12px;
}

.dl-icon-wrap {
  width: 60px;
  height: 60px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(117, 102, 240, 0.08);
  border: 1px solid rgba(117, 102, 240, 0.2);
  color: var(--tt-primary);
  border-radius: 16px;
  font-size: 1.8rem;
  margin-bottom: 28px;
  position: relative;
  z-index: 2;
  transition: all 0.3s var(--tt-ease);
}

.dl-project-card h3,
.dl-bento-card h3 {
  font-size: 1.6rem;
  margin-bottom: 14px;
}

.dl-project-card p,
.dl-bento-card p {
  color: var(--tt-text-dim);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* About & Process */
.dl-process {
  display: grid;
  gap: 32px;
}

.dl-step {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--tt-border);
}

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

.dl-step-num {
  font-family: var(--tt-font-mono);
  font-size: 0.8rem;
  color: var(--tt-primary);
  display: block;
  margin-bottom: 12px;
}

.dl-step h4 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.dl-step p {
  color: var(--tt-text-dim);
  font-size: 0.95rem;
  margin: 0;
}

/* Forms */
.dl-cta {
  background: var(--tt-surface);
  border: 1px solid var(--tt-border);
  padding: 80px;
  border-radius: var(--tt-radius-lg);
  position: relative;
  overflow: hidden;
}

.dl-cta::after {
  content: "";
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--tt-primary-glow), transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.dl-form {
  position: relative;
  z-index: 1;
}

.dl-form .row {
  row-gap: 24px;
}

.dl-form label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--tt-text-dim);
  margin-bottom: 10px;
}

.dl-form .form-control,
.dl-form .form-select {
  background: rgba(255, 255, 255, 0.03) !important;
  border: 1px solid var(--tt-border-strong) !important;
  border-radius: 12px !important;
  color: var(--tt-text) !important;
  padding: 14px 18px !important;
  font-size: 0.95rem !important;
  transition: all 0.3s var(--tt-ease) !important;
}

.dl-form .form-control:focus,
.dl-form .form-select:focus {
  background: rgba(255, 255, 255, 0.05) !important;
  border-color: var(--tt-primary) !important;
  box-shadow: 0 0 15px var(--tt-primary-glow) !important;
  outline: none !important;
}

.dl-form .form-control::placeholder {
  color: var(--tt-text-mute) !important;
}

.dl-form .form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23666' class='bi bi-chevron-down' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 18px center !important;
}

.dl-alert {
  padding: 16px 20px;
  border-radius: 12px;
  margin-bottom: 32px;
  font-size: 0.9rem;
  font-weight: 500;
}

.dl-alert-success {
  background: rgba(0, 245, 255, 0.05);
  border: 1px solid rgba(0, 245, 255, 0.2);
  color: var(--tt-primary);
}

.dl-alert-error {
  background: rgba(255, 0, 85, 0.05);
  border: 1px solid rgba(255, 0, 85, 0.2);
  color: #ff0055;
}

@media (max-width: 991px) {
  .dl-cta { padding: 40px; }
}

.dl-footer {
  background: #7566F0; /* Brand Purple */
  --tt-text: #FFFFFF;
  --tt-text-dim: #FFFFFF;
  --tt-text-mute: #FFFFFF;
  --tt-border: rgba(255, 255, 255, 0.2);
  --dl-text-dim: #FFFFFF;
  border-top: none;
  padding: 40px 0 50px;
}

.dl-footer .dl-brand img {
  border-radius: 8px;
  background: #FFFFFF;
  padding: 6px 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.dl-footer .btn-primary {
  background: transparent !important;
  border: 1px solid #FFFFFF !important;
  color: #FFFFFF !important;
  transition: all 0.3s var(--tt-ease) !important;
}

.dl-footer .btn-primary:hover {
  background: #FFFFFF !important;
  color: #7566F0 !important;
}

.dl-footer h5 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--tt-text);
  margin-bottom: 30px;
}

.dl-footer ul {
  list-style: none;
  padding: 0;
}

.dl-footer ul li {
  margin-bottom: 12px;
}

.dl-footer ul li a {
  color: var(--tt-text-dim);
  text-decoration: none;
  transition: color 0.3s;
}

.dl-footer ul li a:hover {
  color: #FFFFFF;
}

.dl-footer-bottom {
  border-top: 1px solid var(--tt-border);
  margin-top: 80px;
  padding-top: 40px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--tt-text-mute);
  font-size: 0.88rem;
}

/* Responsive Fixes */
@media (max-width: 991px) {
  .dl-hero { padding: 85px 0 100px; }
  .dl-hero h1 { font-size: clamp(2.5rem, 7vw, 4rem); }
}

@media (max-width: 768px) {
  .dl-section { padding: 80px 0; }
  .dl-bento-card, .dl-project-body { padding: 24px; }
}