/* Smooth scrolling & aesthetics */
html {
  scroll-behavior: smooth;
}
.glass {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.08);
}
.shadow-soft {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}
.hero-overlay {
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.55),
    rgba(0, 0, 0, 0.25) 40%,
    rgba(0, 0, 0, 0.6)
  );
  z-index: 4;
}
.brand-gradient {
  background-image: linear-gradient(135deg, #3b82f6, #06b6d4, #22c55e);
}
.animated-underline {
  background-size: 0% 2px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 0.3s ease;
  background-image: linear-gradient(currentColor, currentColor);
}
.animated-underline:hover {
  background-size: 100% 2px;
}

.header-menu {
  position: absolute;
  top: calc(100% + 0.75rem);
  right: 0;
  min-width: 12rem;
  padding: 0.75rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.45);
  z-index: 30;
}
.header-menu__item {
  display: block;
  padding: 0.5rem 0.35rem;
  border-radius: 0.5rem;
  color: rgba(226, 232, 240, 0.92);
  transition: background-color 0.2s ease, color 0.2s ease;
}
.header-menu__item:hover {
  background-color: rgba(14, 165, 233, 0.12);
  color: #f8fafc;
}

.deep-dive-media {
  position: relative;
  width: min(100%, 900px);
  aspect-ratio: 9 / 5;
}
.deep-dive-media img,
.deep-dive-media iframe {
  width: 100%;
  height: 100%;
  border-radius: inherit;
}
.deep-dive-media img {
  object-fit: cover;
}

/* Floating logos */
.floating {
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Typewriter (code-style) */
.typing {
  font-variant-ligatures: none;
  white-space: nowrap;
  border-right: 2px solid #3b82f6;
  animation: caret 0.8s step-end infinite;
}
@keyframes caret {
  50% {
    border-color: transparent;
  }
}

/* Scroll hint + focus + tilt */
.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%);
  opacity: 0.9;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}
.scroll-hint .dot {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 9999px;
  background: #06b6d4;
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 0.35;
    transform: translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateY(3px);
  }
}
:focus-visible {
  outline: 2px solid #06b6d4;
  outline-offset: 2px;
  border-radius: 0.5rem;
}
.card-tilt {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  will-change: transform;
}
.card-tilt:hover {
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

/* Hero canvas background */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 3;
  pointer-events: none;
}
@media (max-width: 768px) {
  .hero-canvas {
    display: none;
  }
}

/* Offset anchors for the fixed header */
section {
  scroll-margin-top: 5.5rem;
}

/* Keyboard focus for swiper arrows */
.swiper-button-prev:focus-visible,
.swiper-button-next:focus-visible {
  outline: 2px solid #06b6d4;
  outline-offset: 2px;
  border-radius: 0.5rem;
}

/* Accent rows (left gradient bar, no card boxiness) */
.accent-row {
  position: relative;
}
.accent-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75rem;
  bottom: 0.75rem;
  width: 4px;
  border-radius: 9999px;
  background: linear-gradient(180deg, #3b82f6, #06b6d4, #22c55e);
  opacity: 0.9;
}

/* Vertical timeline */
.timeline {
  position: relative;
  margin-left: 0.25rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    180deg,
    rgba(56, 189, 248, 0.6),
    rgba(34, 197, 94, 0.6)
  );
}
.timeline-item {
  position: relative;
  padding-left: 3rem;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: 0.9rem;
  top: 0.6rem;
  width: 10px;
  height: 10px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #06b6d4, #22c55e);
  box-shadow: 0 0 0 4px rgba(2, 6, 23, 0.8);
}

/* Horizontal stepper */
.stepper {
  position: relative;
}
.stepper-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 1.5rem;
  height: 2px;
  background: linear-gradient(
    90deg,
    rgba(148, 163, 184, 0.3),
    rgba(56, 189, 248, 0.5),
    rgba(34, 197, 94, 0.4)
  );
}
.step {
  position: relative;
}
.step .badge {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: linear-gradient(135deg, #3b82f6, #06b6d4, #22c55e);
  font-weight: 700;
}

/* Readability over photos */
.text-shadow-lg {
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.65), 0 0 1px rgba(0, 0, 0, 0.5);
}
.text-shadow-sm {
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.65);
}

/* Hero slide delayed text reveal (all slides) */
.hero-text {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.hero-text.show {
  opacity: 1;
  transform: translateY(0);
}

/* --- Mobile polish --- */
/* Scroll hint a bit higher on small screens so it won't sit under sticky CTA */
@media (max-width: 768px) {
  .scroll-hint {
    bottom: 4.5rem;
  }
}
/* iOS safe-area padding for sticky CTA container */
.mobile-sticky {
  padding-bottom: max(env(safe-area-inset-bottom), 0.5rem);
}
.hero-swiper .swiper-wrapper,
.hero-swiper .swiper-slide {
  height: 100%;
}

/* --- Hero slider consistency & fallbacks --- */
/* Fallback height for browsers without svh support */
.hero-swiper {
  height: 82vh;
}
@supports (height: 100svh) {
  .hero-swiper {
    height: 82svh;
  }
}
@media (min-width: 768px) {
  .hero-swiper {
    height: 85vh;
  }
}

/* Ensure slide background images always fill the frame even if HTML classes are missing */
.hero-swiper .swiper-slide > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Keep pagination above overlays just in case of z-index stacking issues */
.hero-swiper .swiper-pagination {
  position: relative;
  z-index: 30;
}

/* (Removed details summary marker override as dropdowns were reverted) */

/* Contact section heading icons */
.contact-heading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.contact-icon {
  font-size: 1.35rem;
  line-height: 1;
  color: rgba(94, 234, 212, 0.85);
}
.contact-label {
  display: inline-block;
}