/* STScans Landing Page - Complete Styles */
/* This replaces the Tailwind CDN with all needed styles */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  line-height: 1.5;
  color: #1f2937;
  min-height: 100vh;
}

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

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

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

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container { max-width: 640px; }
}

@media (min-width: 768px) {
  .container { max-width: 768px; }
}

@media (min-width: 1024px) {
  .container { max-width: 1024px; }
}

@media (min-width: 1280px) {
  .container { max-width: 1280px; }
}

/* ===== LAYOUT UTILITIES ===== */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

.flex-col { flex-direction: column; }
.flex-shrink-0 { flex-shrink: 0; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-stretch { align-items: stretch; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* ===== POSITIONING ===== */
.relative { position: relative; }
.absolute { position: absolute; }
.sticky { position: sticky; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }

/* ===== SPACING ===== */
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.ml-2 { margin-left: 0.5rem; }

.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.px-12 { padding-left: 3rem; padding-right: 3rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.pt-8 { padding-top: 2rem; }
.pt-16 { padding-top: 4rem; }
.pb-4 { padding-bottom: 1rem; }

/* ===== SIZING ===== */
.w-full { width: 100%; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-7 { width: 1.75rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-9 { height: 2.25rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }

/* ===== TYPOGRAPHY ===== */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-left { text-align: left; }
.text-center { text-align: center; }

.italic { font-style: italic; }
.line-through { text-decoration: line-through; }

/* ===== COLORS ===== */
.text-white { color: #ffffff; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-gray-900 { color: #111827; }

.bg-white { background-color: #ffffff; }
.bg-gray-100 { background-color: #f3f4f6; }

/* Brand Colors */
.text-\[\#1E90FF\] { color: #1E90FF; }
.text-\[\#4AA3FF\] { color: #4AA3FF; }
.bg-\[\#F0F8FF\] { background-color: #F0F8FF; }
.bg-\[\#00D100\] { background-color: #00D100; }
.bg-\[\#00B800\] { background-color: #00B800; }

/* Hover colors */
.hover\:text-gray-900:hover { color: #111827; }
.hover\:bg-\[\#00B800\]:hover { background-color: #00B800; }

/* Text opacity */
.text-white\/90 { color: rgba(255, 255, 255, 0.9); }

/* ===== BACKGROUNDS ===== */
.bg-gradient-to-br {
  background-image: linear-gradient(to bottom right, var(--tw-gradient-stops));
}
.bg-gradient-to-b {
  background-image: linear-gradient(to bottom, var(--tw-gradient-stops));
}
.bg-gradient-to-r {
  background-image: linear-gradient(to right, var(--tw-gradient-stops));
}

.from-\[\#0a0f1a\] { --tw-gradient-from: #0a0f1a; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(10, 15, 26, 0)); }
.via-\[\#0d1829\] { --tw-gradient-stops: var(--tw-gradient-from), #0d1829, var(--tw-gradient-to, rgba(13, 24, 41, 0)); }
.to-\[\#000000\] { --tw-gradient-to: #000000; }

.from-white { --tw-gradient-from: #ffffff; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(255, 255, 255, 0)); }
.to-\[\#F0F8FF\] { --tw-gradient-to: #F0F8FF; }

.from-\[\#1E90FF\] { --tw-gradient-from: #1E90FF; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(30, 144, 255, 0)); }
.via-\[\#4AA3FF\] { --tw-gradient-stops: var(--tw-gradient-from), #4AA3FF, var(--tw-gradient-to, rgba(74, 163, 255, 0)); }
.to-\[\#4AA3FF\] { --tw-gradient-to: #4AA3FF; }
.to-\[\#87CEEB\] { --tw-gradient-to: #87CEEB; }

/* Gradient text */
.bg-clip-text {
  -webkit-background-clip: text;
  background-clip: text;
}
.text-transparent {
  color: transparent;
}

/* ===== BORDERS ===== */
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-t { border-top-width: 1px; }
.border-t-4 { border-top-width: 4px; }
.border-\[\#1E90FF\] { border-color: #1E90FF; }
.border-\[\#4AA3FF\] { border-color: #4AA3FF; }
.border-gray-300 { border-color: #d1d5db; }

.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }

/* ===== SHADOWS ===== */
.shadow-sm { box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05); }
.shadow-md { box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25); }

/* ===== EFFECTS ===== */
.opacity-40 { opacity: 0.4; }
.overflow-hidden { overflow: hidden; }

/* ===== TRANSITIONS ===== */
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-colors { transition-property: color, background-color, border-color; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }

/* ===== CURSOR ===== */
.cursor-pointer { cursor: pointer; }

/* ===== WHITESPACE ===== */
.whitespace-nowrap { white-space: nowrap; }

/* ===== SPACE BETWEEN ===== */
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }

/* ===== OBJECT FIT ===== */
.object-cover { object-fit: cover; }
.object-right { object-position: right; }

/* ===== RESPONSIVE GRID ===== */
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
  .md\:block { display: block; }
  .md\:flex-row { flex-direction: row; }
  .md\:h-16 { height: 4rem; }
  .md\:text-5xl { font-size: 3rem; }
  .md\:text-xl { font-size: 1.25rem; }
  .md\:py-24 { padding-top: 6rem; padding-bottom: 6rem; }
  .md\:px-12 { padding-left: 3rem; padding-right: 3rem; }
  .md\:w-auto { width: auto; }
}

@media (min-width: 1024px) {
  .lg\:text-6xl { font-size: 3.75rem; }
}

/* ===== BUTTONS ===== */
.inline-flex.items-center.justify-center {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button, a.inline-flex {
  white-space: nowrap;
  border-radius: 0.375rem;
  font-weight: 500;
  transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Button hover effects */
a.bg-\[\#00D100\]:hover,
button.bg-\[\#00D100\]:hover {
  background-color: #00B800;
}

/* ===== SVG ICONS ===== */
svg {
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ===== MOBILE MENU ===== */
#mobile-nav.hidden {
  display: none;
}

#mobile-nav.flex {
  display: flex;
}

/* Menu icon toggle */
#menu-icon.hidden,
#close-icon.hidden {
  display: none;
}

/* ===== CUSTOM COMPONENTS ===== */

/* Header */
header {
  background-color: #ffffff;
  color: #111827;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

/* Hero */
#hero {
  position: relative;
  background-image: linear-gradient(to bottom right, #0a0f1a, #0d1829, #000000);
  padding-top: 4rem;
  padding-bottom: 4rem;
  overflow: hidden;
}

@media (min-width: 768px) {
  #hero {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

/* Footer */
footer {
  background-color: #f3f4f6;
  color: #111827;
  padding-top: 3rem;
  padding-bottom: 3rem;
}