/* ===== RESET & VARIABLES ===== */
:root {
  --clr-primary-orange: #FF6B35;
  --clr-primary-blue: #1B2A4A;
  --clr-gold-accent: #F4A261;
  --clr-bg-dark: #0D1B2A;
  --clr-surface-dark: #1B2838;
  --clr-text-primary: #F8F9FA;
  --clr-text-secondary: #B0BEC5;
  --clr-success: #2ECC71;
  --clr-warning: #E74C3C;
  --clr-gradient-bg: linear-gradient(135deg, #1B2A4A 0%, #0D1B2A 50%, #FF6B35 100%);
  --font-heading: "Montserrat", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-body: "Open Sans", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-mono: "Source Code Pro", "Courier New", monospace;
  --container-max: 1140px;
  --header-height: 72px;
  --space-unit: 8px;
  --space-xs: calc(var(--space-unit) * 1);
  --space-sm: calc(var(--space-unit) * 2);
  --space-md: calc(var(--space-unit) * 3);
  --space-lg: calc(var(--space-unit) * 5);
  --space-xl: calc(var(--space-unit) * 8);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
  --transition-fast: 0.2s ease;
  --transition-med: 0.4s ease;
  --transition-slow: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--clr-text-primary);
  background-color: var(--clr-bg-dark);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style: none;
}

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

a:hover {
  color: var(--clr-gold-accent);
}

/* ===== FOCUS VISIBLE ===== */
:focus-visible {
  outline: 3px solid var(--clr-gold-accent);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

:focus:not(:focus-visible) {
  outline: none;
}

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--clr-primary-orange);
  color: var(--clr-bg-dark);
  font-weight: 600;
  z-index: 1000;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* ===== CONTAINER / SECTION ===== */
.container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

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

@media (max-width: 767px) {
  .section {
    padding-block: var(--space-md);
  }
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--clr-text-primary);
}

h1 { font-size: clamp(2.2rem, 6vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.15rem; }

p { margin-bottom: var(--space-sm); }
.text-secondary { color: var(--clr-text-secondary); }

.logo-accent {
  color: var(--clr-primary-orange);
}

.vertical-note {
  writing-mode: vertical-lr;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--clr-gold-accent);
  transform: rotate(180deg);
  white-space: nowrap;
}

.stat-number {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--clr-primary-orange);
  font-size: 1.4em;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6em 1.8em;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.4;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--clr-primary-orange);
  color: var(--clr-bg-dark);
  border-color: var(--clr-primary-orange);
}

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

.btn-outline {
  background: transparent;
  color: var(--clr-gold-accent);
  border-color: var(--clr-gold-accent);
}

.btn-outline:hover {
  background: var(--clr-gold-accent);
  color: var(--clr-bg-dark);
}

/* ===== PANEL & CARD ===== */
.panel {
  background: var(--clr-surface-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
  transition: clip-path var(--transition-med);
}

@media (max-width: 767px) {
  .panel {
    clip-path: polygon(0 2%, 100% 0, 100% 98%, 0 100%);
    padding: var(--space-md);
  }
}

.card {
  background: color-mix(in srgb, var(--clr-surface-dark) 80%, transparent);
  backdrop-filter: blur(4px);
  border: 1px solid color-mix(in srgb, var(--clr-gold-accent) 20%, transparent);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

/* ===== SITE HEADER ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 900;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--transition-med), box-shadow var(--transition-med), backdrop-filter var(--transition-med);
}

.site-header.scrolled {
  background: color-mix(in srgb, var(--clr-primary-blue) 95%, transparent);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--space-md);
}

.site-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--clr-text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.site-logo:hover {
  color: var(--clr-text-primary);
}

/* Navigation Toggle (Mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 2px solid var(--clr-text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  z-index: 950;
  padding: 8px;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--clr-text-primary);
  transition: all var(--transition-fast);
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Site Navigation */
.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--clr-text-secondary);
  padding: 0.5em 1em;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--clr-primary-orange);
  background: color-mix(in srgb, var(--clr-primary-orange) 10%, transparent);
}

.nav-link[aria-current="page"] {
  color: var(--clr-primary-orange);
  background: color-mix(in srgb, var(--clr-primary-orange) 15%, transparent);
}

.nav-link[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--clr-primary-orange);
  border-radius: 2px;
}

.header-cta {
  flex-shrink: 0;
  font-size: 0.8rem;
}

/* ===== RESPONSIVE HEADER ===== */
@media (max-width: 1023px) {
  .nav-toggle {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .site-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100dvh;
    background: var(--clr-bg-dark);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-med), visibility var(--transition-med);
    z-index: 900;
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .nav-link {
    font-size: 1.2rem;
    padding: 0.8em 1.5em;
  }
}

@media (min-width: 1024px) {
  .site-nav {
    position: static;
    background: transparent;
    height: auto;
    width: auto;
    opacity: 1;
    visibility: visible;
    flex-direction: row;
  }
}

/* ===== SITE FOOTER ===== */
.site-footer {
  background: var(--clr-primary-blue);
  border-top: 3px solid var(--clr-primary-orange);
  padding-block: var(--space-lg);
  margin-top: var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid color-mix(in srgb, var(--clr-text-secondary) 20%, transparent);
}

.footer-heading {
  color: var(--clr-gold-accent);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-sm);
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  display: inline-block;
  margin-bottom: var(--space-sm);
}

.trust-statement {
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
  line-height: 1.7;
}

.footer-link-list li,
.footer-contact-list li {
  margin-bottom: var(--space-xs);
}

.footer-link-list a {
  color: var(--clr-text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-link-list a:hover {
  color: var(--clr-primary-orange);
}

.footer-contact-list li {
  color: var(--clr-text-secondary);
  font-size: 0.9rem;
}

.contact-label {
  color: var(--clr-text-primary);
  font-weight: 600;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  font-size: 0.8rem;
  color: var(--clr-text-secondary);
  gap: var(--space-sm);
}

@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== MISC UTILITIES ===== */
.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;
}

/* ===== MOTION PREFERENCES ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ===== REVEAL ANIMATION ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== SCROLL PROGRESS BAR (Using data attribute) ===== */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: var(--clr-primary-orange);
  z-index: 9999;
  transition: width 0.1s linear;
}

@media (prefers-reduced-motion: reduce) {
  #scroll-progress {
    display: none;
  }
}

/* ===== RESPONSIVE IMAGE PLACEHOLDER BASE ===== */
.img-container {
  position: relative;
  overflow: hidden;
  background: color-mix(in srgb, var(--clr-surface-dark) 60%, #000);
  border-radius: var(--radius-md);
}

.img-container::before {
  content: '';
  display: block;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
}

.img-container img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}