/* ==============================
   Root variables & base
   ============================== */

:root {
  --radius: 1rem;
}

/* Smooth scrolling (with a11y fallback below) */
html {
  scroll-behavior: smooth;
}

/* Base body styles */
body {
  width: 100%;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell,
    "Noto Sans", sans-serif;
}

/* Each section anchors nicely below sticky navbar */
section {
  scroll-margin-top: 90px;
}


/* ==============================
   Hero section
   ============================== */

.hero {
  position: relative;
  background: linear-gradient(180deg, #f8f9ff, transparent);
}

.hero-img {
  border-radius: var(--radius);
  object-fit: cover;
}

.hero-bg {
  position: absolute;
  inset: -10% 0 0;
  background:
    radial-gradient(60% 50% at 10% 10%, #e6f0ff 0%, transparent 60%),
    radial-gradient(60% 60% at 90% 10%, #fff3e6 0%, transparent 60%);
  z-index: 1;
}


/* ==============================
   Badges & cards
   ============================== */

.badge {
  border-radius: 999px;
  padding: 0.5rem 0.75rem;
}

.card {
  border-radius: calc(var(--radius) + 0.25rem);
}

/* Project card images */
#projects_list .card-img-top {
  height: 180px;
  object-fit: cover;
}


/* ==============================
   Projects filter
   ============================== */

.projects-filter input::placeholder {
  opacity: 0.6;
}


/* ==============================
   RTL support
   ============================== */

[dir="rtl"] body {
  font-family: "Tajawal", "Cairo", system-ui, sans-serif;
}

[dir="rtl"] .hero .list-inline {
  padding-right: 0;
}


/* ==============================
   Hover effects
   ============================== */

.card.hover {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card.hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

/* Subtle hover for circular social buttons */
.btn-icon {
  will-change: transform;
}


/* ==============================
   Accessibility & focus
   ============================== */

a:focus-visible,
button:focus-visible,
select:focus-visible {
  outline: 2px solid #0d6efd;
  outline-offset: 2px;
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}


/* ==============================
   Layout & horizontal scroll fixes
   ============================== */

/* Prevent horizontal scroll issues */
html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

/*
  Bootstrap rows sometimes introduce negative margins.
  We normalize them inside containers to avoid horizontal scroll
  without breaking the grid system globally.
*/
.container .row,
.container-fluid .row {
  margin-left: 0;
  margin-right: 0;
}

/* Keep containers inside viewport with comfortable padding */
.container,
.container-fluid {
  padding-left: 16px;
  padding-right: 16px;
  overflow-x: hidden;
}


/* ==============================
   Responsive media
   ============================== */

/* Images/videos should not exceed their parent width */
img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}


/* ==============================
   Reveal animations (safe & accessible)
   ============================== */

/*
  Safe defaults:
  - Content is visible by default.
  - JS can opt-in to animation by adding .reveal-hidden / .reveal-animated.
*/

[data-reveal] {
  opacity: 1;
  transform: none;
}

/* When JS is active, elements start hidden and slide in */
[data-reveal].reveal-hidden {
  opacity: 0;
  transform: translateY(20px);
}

[data-reveal].reveal-animated {
  transition: opacity 0.4s ease, transform 0.4s ease;
}

/* If user prefers reduced motion, disable the animation itself */
@media (prefers-reduced-motion: reduce) {
  [data-reveal].reveal-animated {
    transition: none;
    transform: none;
  }
}