/**
 * NetBoost Rocket - Main Stylesheet
 * Base styles, reset, and layout utilities
 */

/* ==========================================
   CSS RESET & BASE STYLES
   ========================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background-color: var(--color-white);
}

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

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

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

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

a:focus {
  outline: 2px solid var(--color-primary-orange);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent-black);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-md);
  text-decoration: none;
  z-index: 1000;
}

.skip-link:focus {
  top: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ==========================================
   CONTAINER
   ========================================== */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container--narrow {
  max-width: var(--container-max-width-narrow);
}

/* ==========================================
   SECTION SPACING
   ========================================== */

section {
  padding: var(--section-padding-vertical) 0;
}

section.no-padding-top {
  padding-top: 0;
}

section.no-padding-bottom {
  padding-bottom: 0;
}

/* ==========================================
   GRID UTILITIES
   ========================================== */

.grid {
  display: grid;
  gap: var(--grid-gap);
}

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

.grid--3-col {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4-col {
  grid-template-columns: repeat(4, 1fr);
}

/* ==========================================
   FLEX UTILITIES
   ========================================== */

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

/* ==========================================
   SPACING UTILITIES
   ========================================== */

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  line-height: 1;
}

.btn--primary {
  background: var(--gradient-cta);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary-blue);
  border: 2px solid var(--color-primary-blue);
}

.btn--secondary:hover {
  background: var(--color-primary-blue);
  color: var(--color-white);
  text-decoration: none;
}

.btn--large {
  padding: 1.25rem 2.5rem;
  font-size: 1.25rem;
}

.btn--small {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.btn--cta-primary {
  background: var(--color-white);
  color: var(--color-primary-blue);
  border: 2px solid var(--color-white);
}

.btn--cta-primary:hover {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--cta-secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn--cta-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary-blue);
}

.btn:focus {
  outline: 2px solid var(--color-primary-orange);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ==========================================
   BADGE
   ========================================== */

.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge--launch {
  background: linear-gradient(135deg, #FF6B35, #F4A259);
  color: var(--color-white);
}

/* ==========================================
   CARDS
   ========================================== */

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ==========================================
   HONEYPOT (SPAM PREVENTION)
   ========================================== */

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ==========================================
   REQUIRED INDICATOR
   ========================================== */

.required {
  color: var(--color-error);
  font-weight: var(--font-weight-bold);
}

/* ==========================================
   LOADING & SPINNER
   ========================================== */

.loading {
  opacity: 0.6;
  pointer-events: none;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--color-white);
  animation: spin 1s ease-in-out infinite;
}

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

/* ==========================================
   FADE IN ANIMATION
   ========================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* ==========================================
   RESPONSIVE UTILITIES
   ========================================== */

.hide-mobile {
  display: block;
}

.show-mobile {
  display: none;
}

@media (max-width: 767px) {
  .hide-mobile {
    display: none;
  }

  .show-mobile {
    display: block;
  }

  .grid--2-col,
  .grid--3-col,
  .grid--4-col {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .grid--3-col,
  .grid--4-col {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================
   PRINT STYLES
   ========================================== */

@media print {
  .no-print {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  a {
    text-decoration: underline;
  }

  .btn {
    border: 1px solid black;
  }
}