/* SR Inteli — Custom Styles (Redesign) */

:root {
  --primary-navy: #1A3A5C;
  --navy-light: #2a4f73;
  --white: #FFFFFF;
  --accent-blue: #E8862A;
  --accent-yellow: #F5A623;
  --grey: #5A5A5A;
  --light-grey: #F5F7FA;
}

html {
  scroll-behavior: smooth;
}

/* ========== Skip to content ========== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 100;
  padding: 0.75rem 1.5rem;
  background: var(--accent-blue);
  color: var(--white);
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

/* ========== Scroll Reveal Animations ========== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered timing */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* Sequential step animation */
.step-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
.step-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Navbar ========== */
.navbar-scrolled {
  background-color: #f3f2f3 !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.10);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.navbar-scrolled a:hover {
  color: var(--accent-blue) !important;
}
.navbar-scrolled + #mobile-menu,
.navbar-scrolled ~ #mobile-menu {
  background-color: #f3f2f3 !important;
}

/* Mobile menu transition */
#mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}
#mobile-menu.open {
  max-height: 800px;
}

/* Hamburger animation */
.hamburger {
  min-width: 44px;
  min-height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--primary-navy);
  margin: 5px 0;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* ========== Buttons ========== */
.btn-primary {
  transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.btn-primary:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 12px rgba(79, 179, 216, 0.4);
}

.btn-secondary {
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
}
.btn-secondary:hover {
  background-color: var(--accent-blue);
  color: var(--white);
  transform: scale(1.03);
}

/* CTA glow button */
.cta-glow {
  box-shadow: 0 0 20px rgba(79, 179, 216, 0.3);
  transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}
.cta-glow:hover {
  box-shadow: 0 0 35px rgba(79, 179, 216, 0.55);
  transform: scale(1.05);
}

/* ========== Hero System ========== */
.hero-section {
  position: relative;
  overflow: hidden;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 43, 70, 0.92) 0%,
    rgba(15, 43, 70, 0.85) 100%
  );
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Hero word animation */
.hero-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
.hero-word.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Wave Divider ========== */
.wave-divider {
  line-height: 0;
  margin-top: -1px;
}
.wave-divider svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ========== Accent Underline ========== */
.accent-underline {
  position: relative;
  display: inline-block;
}
.accent-underline::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -8px;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--accent-blue);
  border-radius: 2px;
}

/* ========== Service Card (Premium) ========== */
.service-card {
  border-top: 3px solid transparent;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
  border-top-color: var(--accent-blue);
}
.service-card .service-icon {
  transition: transform 0.3s ease;
}
.service-card:hover .service-icon {
  transform: scale(1.15);
}

/* ========== Stats ========== */
.stat-number {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

/* ========== Split Image ========== */
.split-image {
  border-radius: 0.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

/* ========== Subpage Hero Decoration ========== */
.subpage-hero-decoration {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(79, 179, 216, 0.15);
  pointer-events: none;
}

/* ========== Footer Gradient ========== */
.footer-gradient {
  background: linear-gradient(180deg, var(--primary-navy) 0%, #091e33 100%);
}

/* ========== AI Subsection ========== */
.ai-subsection {
  background: linear-gradient(135deg, #1A3A5C 0%, #2a4f73 100%);
  border-radius: 0.75rem;
  padding: 1.5rem 2rem;
  margin-top: 2rem;
  color: #FFFFFF;
}

/* ========== Forms ========== */
.form-input {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(79, 179, 216, 0.2);
}

/* ========== Focus Indicators ========== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

/* ========== Breadcrumb ========== */
.breadcrumb a {
  color: var(--accent-blue);
  text-decoration: none;
}
.breadcrumb a:hover {
  text-decoration: underline;
}
.breadcrumb .separator {
  margin: 0 0.5rem;
  color: #999;
}

/* ========== Reduced Motion ========== */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right,
  .step-reveal,
  .hero-word {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .service-card,
  .btn-primary,
  .btn-secondary,
  .cta-glow {
    transition: none;
  }

  .service-card:hover,
  .btn-primary:hover,
  .btn-secondary:hover,
  .cta-glow:hover {
    transform: none;
  }

  #hero-canvas {
    display: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}