/* ============================================================
   FALCON SURVEILLANCE - GLOBAL STYLES
   Base styles, resets, and utility classes
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

/* ========== RESETS & DEFAULTS ========== */

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

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: 96px;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-text-primary);
  background:
    radial-gradient(circle at top left, rgba(0, 86, 205, 0.045), transparent 28%),
    linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  transition: background-color var(--transition-slow),
    color var(--transition-slow);
  overflow-x: hidden;
}

::selection {
  background: rgba(0, 86, 205, 0.2);
  color: var(--color-text-primary);
}

/* ========== TYPOGRAPHY ========== */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--fs-5xl);
}

h2 {
  font-size: var(--fs-4xl);
}

h3 {
  font-size: var(--fs-3xl);
}

h4 {
  font-size: var(--fs-2xl);
}

h5 {
  font-size: var(--fs-xl);
}

h6 {
  font-size: var(--fs-lg);
}

p {
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

/* ========== LISTS ========== */

ul,
ol {
  list-style: none;
}

/* ========== BUTTON STYLES ========== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  font-family: inherit;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width var(--transition-base), height var(--transition-base);
  pointer-events: none;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  box-shadow: 0 8px 20px rgba(0, 86, 205, 0.25);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  box-shadow: 0 12px 30px rgba(0, 86, 205, 0.35);
  transform: translateY(-2px);
  border-color: var(--color-primary-dark);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 107, 53, 0.1));
  color: white;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(255, 107, 53, 0.15));
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-sm {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--fs-sm);
}

.btn-lg {
  padding: var(--spacing-5) var(--spacing-10);
  font-size: var(--fs-lg);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn:disabled:hover {
  transform: none;
}

/* ========== FORMS ========== */

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

input::placeholder,
textarea::placeholder {
  color: var(--color-text-tertiary);
}

/* ========== IMAGES ========== */

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

figure {
  margin: 0;
}

.icon-inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
}

.icon-inline svg {
  width: 100%;
  height: 100%;
  display: block;
  fill: currentColor;
}

.section-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 1.5rem);
}

@media (min-width: 1440px) {
  .container {
    max-width: 1380px;
  }
}

@media (min-width: 1920px) {
  .container {
    max-width: 1580px;
  }
}

/* ========== UTILITY CLASSES ========== */

.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;
}

.flex {
  display: flex;
}

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

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

.grid {
  display: grid;
}

.gap-4 {
  gap: var(--spacing-4);
}

.gap-6 {
  gap: var(--spacing-6);
}

.gap-8 {
  gap: var(--spacing-8);
}

.gap-12 {
  gap: var(--spacing-12);
}

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

.justify-between {
  justify-content: space-between;
}

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

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

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

.text-right {
  text-align: right;
}

/* Margin utilities */
.mt-0 {
  margin-top: 0;
}

.mt-4 {
  margin-top: var(--spacing-4);
}

.mt-6 {
  margin-top: var(--spacing-6);
}

.mt-8 {
  margin-top: var(--spacing-8);
}

.mb-4 {
  margin-bottom: var(--spacing-4);
}

.mb-6 {
  margin-bottom: var(--spacing-6);
}

.mb-8 {
  margin-bottom: var(--spacing-8);
}

.mb-12 {
  margin-bottom: var(--spacing-12);
}

/* Padding utilities */
.p-4 {
  padding: var(--spacing-4);
}

.p-6 {
  padding: var(--spacing-6);
}

.p-8 {
  padding: var(--spacing-8);
}

.px-4 {
  padding-left: var(--spacing-4);
  padding-right: var(--spacing-4);
}

.py-4 {
  padding-top: var(--spacing-4);
  padding-bottom: var(--spacing-4);
}

.py-6 {
  padding-top: var(--spacing-6);
  padding-bottom: var(--spacing-6);
}

.py-8 {
  padding-top: var(--spacing-8);
  padding-bottom: var(--spacing-8);
}

.py-12 {
  padding-top: var(--spacing-12);
  padding-bottom: var(--spacing-12);
}

/* ========== BUTTON STYLES ========== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-lg);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  transition: all var(--transition-base);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
  gap: var(--spacing-2);
}

/* Primary Button */
.btn-primary {
  background-color: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

/* Secondary Button */
.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
}

/* Outline Button */
.btn-outline {
  background-color: transparent;
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-primary);
}

.btn-ghost:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
}

/* Small Button */
.btn-sm {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--fs-sm);
}

/* Large Button */
.btn-lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--fs-lg);
}

/* Icon Button */
.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========== BADGES ========== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  gap: var(--spacing-2);
  width: fit-content;
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge-secondary {
  background-color: var(--color-secondary-light);
  color: var(--color-secondary-dark);
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

/* ========== SCROLLBAR ========== */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

/* ========== RESPONSIVENESS ========== */

@media (max-width: 768px) {
  h1 {
    font-size: var(--fs-4xl);
  }

  h2 {
    font-size: var(--fs-3xl);
  }

  h3 {
    font-size: var(--fs-2xl);
  }

  h4 {
    font-size: var(--fs-xl);
  }

  .container {
    padding: 0 var(--spacing-4);
  }
}

@media (max-width: 425px) {
  h1 {
    font-size: var(--fs-3xl);
  }

  h2 {
    font-size: var(--fs-2xl);
  }

  h3 {
    font-size: var(--fs-xl);
  }

  h4 {
    font-size: var(--fs-lg);
  }

  .container {
    padding: 0 var(--spacing-3);
  }
}