/* ============================================================
   COMPONENTS — Qamar Zaka Portfolio
   Navbar · Buttons · Cards · Forms · Tags · Social
   ============================================================ */


/* ══════════════════════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════════════════════ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--t-base),
    border-color      var(--t-base),
    backdrop-filter   var(--t-base);
}

.navbar.scrolled {
  background: rgba(245, 245, 242, 0.90);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--s-8);
}

/* Logo */
.navbar__logo {
  font-weight: var(--fw-extrabold);
  font-size: 0.8rem;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text);
  flex-shrink: 0;
  transition: color var(--t-fast);
}
.navbar__logo:hover { color: var(--accent); }

/* Nav links */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--s-8);
}

.navbar__link {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  transition: color var(--t-fast);
  position: relative;
  padding-block: var(--s-2);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width var(--t-base);
  border-radius: var(--r-full);
}

.navbar__link:hover           { color: var(--text); }
.navbar__link:hover::after    { width: 100%; }
.navbar__link.active          { color: var(--text); font-weight: var(--fw-semibold); }
.navbar__link.active::after   { width: 100%; }

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--s-2);
  border-radius: var(--r-md);
  transition: background var(--t-fast);
  flex-shrink: 0;
}
.navbar__hamburger:hover { background: var(--border); }

.navbar__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  border-radius: var(--r-full);
  transition: transform var(--t-base), opacity var(--t-base), width var(--t-base);
  transform-origin: center;
}

.navbar__hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.navbar__hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; width: 0; }
.navbar__hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }


/* ══════════════════════════════════════════════════════════════
   MOBILE MENU
   ══════════════════════════════════════════════════════════════ */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  padding-top: calc(var(--nav-h) + var(--s-8));
  padding-inline: var(--pad-x);
  padding-bottom: var(--s-12);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--t-base), visibility var(--t-base), transform var(--t-base);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--s-8);
}

.mobile-menu__link {
  font-size: clamp(1.75rem, 8vw, 2.5rem);
  font-weight: var(--fw-extrabold);
  line-height: 1.1;
  letter-spacing: var(--ls-snug);
  color: var(--text);
  padding-block: var(--s-5);
  border-bottom: 1px solid var(--border);
  transition: color var(--t-fast), padding-left var(--t-base);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-menu__link:hover,
.mobile-menu__link.active { color: var(--accent); }

.mobile-menu__link-arrow {
  font-size: 1.5rem;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--t-base), transform var(--t-base);
}
.mobile-menu__link:hover .mobile-menu__link-arrow { opacity: 1; transform: translateX(0); }

.mobile-menu__cta    { margin-top: var(--s-8); }
.mobile-menu__footer { margin-top: auto; padding-top: var(--s-8); font-size: var(--fs-sm); color: var(--text-muted); }


/* ══════════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 0.75rem 1.5rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  line-height: 1;
  border-radius: var(--r-md);
  border: 1.5px solid transparent;
  transition:
    background-color var(--t-fast),
    color            var(--t-fast),
    border-color     var(--t-fast),
    transform        var(--t-fast),
    box-shadow       var(--t-fast);
  white-space: nowrap;
  cursor: pointer;
  min-height: 44px;
  text-decoration: none;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: translateY(1px) !important; }

/* Accent / filled */
.btn--accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn--accent:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 4px 16px rgba(49, 92, 255, 0.35);
  transform: translateY(-1px);
}

/* Outline */
.btn--outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-dark);
}
.btn--outline:hover {
  border-color: var(--text);
  transform: translateY(-1px);
}

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--accent);
  border-color: transparent;
  padding-inline: var(--s-2);
}
.btn--ghost:hover { background: var(--accent-light); }

/* Sizes */
.btn--sm  { padding: 0.5rem 1rem; font-size: var(--fs-xs); min-height: 36px; }
.btn--lg  { padding: 0.9rem 1.875rem; font-size: var(--fs-base); min-height: 52px; }
.btn--full { width: 100%; }

/* Loading */
.btn--loading {
  opacity: 0.8;
  pointer-events: none;
}
.btn--loading .btn-text { opacity: 0.6; }


/* ══════════════════════════════════════════════════════════════
   SECTION HEADER
   ══════════════════════════════════════════════════════════════ */
.section-header {
  margin-bottom: clamp(3rem, 5vw, 4.5rem);
}

.section-label {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--s-4);
}

.section-title {
  font-size: var(--fs-h1);
  font-weight: var(--fw-extrabold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-snug);
  color: var(--text);
  margin-bottom: var(--s-5);
}

.section-body {
  font-size: var(--fs-lg);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
  max-width: 560px;
}


/* ══════════════════════════════════════════════════════════════
   TAGS
   ══════════════════════════════════════════════════════════════ */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  white-space: nowrap;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}
.tag:hover, .tag--active {
  border-color: rgba(49, 92, 255, 0.3);
  color: var(--accent);
  background: var(--accent-light);
}


/* ══════════════════════════════════════════════════════════════
   FILTER TABS
   ══════════════════════════════════════════════════════════════ */
.filter-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.1rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r-full);
  cursor: pointer;
  transition: color var(--t-fast), background var(--t-fast), border-color var(--t-fast);
  min-height: 44px;
  white-space: nowrap;
}
.filter-btn:hover { color: var(--text); background: var(--surface); }
.filter-btn.active { background: var(--text); color: #fff; }


/* ══════════════════════════════════════════════════════════════
   SERVICE CARD
   ══════════════════════════════════════════════════════════════ */
.service-card {
  padding: var(--s-8);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--t-base), transform var(--t-base);
}

/* Accent bar on left */
.service-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: bottom center;
  transition: transform var(--t-base);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}
.service-card:hover::before { transform: scaleY(1); transform-origin: top center; }
.service-card:hover         { box-shadow: var(--sh-md); transform: translateY(-3px); }

.service-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-card__num {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  color: var(--text-muted);
  transition: color var(--t-fast);
}
.service-card:hover .service-card__num { color: var(--accent); }

.service-card__arrow {
  width: 18px;
  height: 18px;
  color: var(--accent);
  transform: translate(-6px, 4px);
  opacity: 0;
  transition: transform var(--t-base), opacity var(--t-base);
  flex-shrink: 0;
}
.service-card:hover .service-card__arrow { transform: translate(0, 0); opacity: 1; }

.service-card__title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--text);
  line-height: var(--lh-snug);
}

.service-card__desc {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  margin-top: auto;
  padding-top: var(--s-4);
  border-top: 1px solid var(--border);
}

.service-card__list li {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  padding-left: var(--s-5);
  position: relative;
  line-height: var(--lh-snug);
}
.service-card__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--border-dark);
  font-size: 0.65em;
  top: 0.25em;
}


/* ══════════════════════════════════════════════════════════════
   PROJECT CARD
   ══════════════════════════════════════════════════════════════ */
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--t-base), transform var(--t-base), border-color var(--t-base);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  position: relative;
}
.project-card:hover {
  box-shadow: var(--sh-lg);
  transform: translateY(-5px);
  border-color: var(--border-dark);
}

/* Hidden state (filtered out) */
.project-card.filtered-out {
  display: none;
}

/* Visual area */
.project-card__visual {
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.project-card--featured .project-card__visual { aspect-ratio: 16/9; }
.project-card--regular  .project-card__visual { aspect-ratio: 4/3; }

.project-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.5s var(--ease-out);
}
.project-card:hover .project-card__img {
  transform: scale(1.04);
}

.project-card__bg {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  transition: transform 0.5s var(--ease-out);
  position: relative;
}
.project-card:hover .project-card__bg { transform: scale(1.04); }

.project-card__bg-label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  opacity: 0.45;
}

/* Hover badge */
.project-card__view {
  position: absolute;
  top: var(--s-4);
  right: var(--s-4);
  background: rgba(255,255,255,0.95);
  color: var(--text);
  padding: var(--s-2) var(--s-4);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity var(--t-base), transform var(--t-base);
  box-shadow: var(--sh-sm);
  pointer-events: none;
  z-index: 3;
}
.project-card:hover .project-card__view { opacity: 1; transform: translateY(0); }

/* Play overlay badge for video projects */
.project-card__play-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(17, 17, 17, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.3s ease, border-color 0.3s ease;
  z-index: 2;
  pointer-events: none;
}
.project-card:hover .project-card__play-badge {
  transform: translate(-50%, -50%) scale(1.15);
  background: var(--accent);
  border-color: var(--accent);
}
.project-card__play-badge svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  margin-left: 2px;
}

/* Card content */
.project-card__content {
  padding: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  flex: 1;
}

.project-card__meta {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-wrap: wrap;
}

.project-card__cat {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--accent);
}

.project-card__year {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}
.project-card__year::before {
  content: '·';
  margin-right: var(--s-3);
  color: var(--border-dark);
}

.project-card__title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--text);
  line-height: var(--lh-snug);
}
.project-card--featured .project-card__title {
  font-size: clamp(1.25rem, 2vw, 1.625rem);
}

.project-card__desc {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--s-4);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: var(--s-3);
}

.project-card__role {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.project-card__cta {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: gap var(--t-fast);
}
.project-card:hover .project-card__cta { gap: var(--s-2); }


/* ══════════════════════════════════════════════════════════════
   SKILL TAG
   ══════════════════════════════════════════════════════════════ */
.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text);
  cursor: default;
  transition:
    border-color var(--t-fast),
    background   var(--t-fast),
    color        var(--t-fast),
    transform    var(--t-fast);
}
.skill-tag:hover {
  border-color: rgba(49,92,255,0.3);
  background: var(--accent-light);
  color: var(--accent);
  transform: translateX(4px);
}

.skill-tag__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.4;
  flex-shrink: 0;
  transition: opacity var(--t-fast);
}
.skill-tag:hover .skill-tag__dot { opacity: 1; }


/* ══════════════════════════════════════════════════════════════
   FORMS
   ══════════════════════════════════════════════════════════════ */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text);
}
.form-label .req { color: var(--accent); margin-left: 2px; }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--fs-sm);
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  -webkit-appearance: none;
  appearance: none;
  min-height: 48px;
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--border-dark); }

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(49, 92, 255, 0.10);
}

.form-input.is-error,
.form-select.is-error,
.form-textarea.is-error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.08);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
  line-height: var(--lh-relaxed);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23686868' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px;
  padding-right: 2.75rem;
  cursor: pointer;
}

.form-error {
  font-size: var(--fs-xs);
  color: var(--error);
  display: flex;
  align-items: center;
  gap: var(--s-1);
  min-height: 1.2em;
}

/* Success state */
.form-success {
  display: none;
  text-align: center;
  padding: var(--s-16) var(--s-8);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
}
.form-success.visible { display: block; }

.form-success__icon {
  font-size: 2.5rem;
  margin-bottom: var(--s-4);
  line-height: 1;
}
.form-success__title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--text);
  margin-bottom: var(--s-3);
}
.form-success__body {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
}


/* ══════════════════════════════════════════════════════════════
   SOCIAL LINKS
   ══════════════════════════════════════════════════════════════ */
.social-links {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-wrap: wrap;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-muted);
  transition:
    color         var(--t-fast),
    border-color  var(--t-fast),
    background    var(--t-fast),
    transform     var(--t-fast);
}
.social-link:hover {
  color: var(--accent);
  border-color: rgba(49, 92, 255, 0.25);
  background: var(--accent-light);
  transform: translateY(-2px);
}
.social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  display: block;
}


/* ══════════════════════════════════════════════════════════════
   CAPABILITY CARD
   ══════════════════════════════════════════════════════════════ */
.capability-card {
  display: flex;
  align-items: flex-start;
  gap: var(--s-4);
  padding: var(--s-5) var(--s-6);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  border-left: 3px solid transparent;
  transition:
    border-left-color var(--t-base),
    transform         var(--t-base),
    box-shadow        var(--t-base);
}
.capability-card:hover {
  border-left-color: var(--accent);
  transform: translateX(4px);
  box-shadow: var(--sh-sm);
}

.capability-card__icon {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 1px;
}
.capability-card__icon svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
}

.capability-card__title {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--text);
  margin-bottom: var(--s-1);
}
.capability-card__desc {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
}

/* ══════════════════════════════════════════════════════════════
   VIDEO PREVIEW & LIGHTBOX MODAL
   ══════════════════════════════════════════════════════════════ */
.project-card__video-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out);
}
.project-card:hover .project-card__video-preview {
  transform: scale(1.04);
}

.video-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-4);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.video-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.video-modal__backdrop {
  position: absolute;
  inset: 0;
  cursor: pointer;
}

.video-modal__container {
  position: relative;
  width: 100%;
  max-width: 960px;
  max-height: 90vh;
  background: #111118;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  transform: scale(0.94) translateY(12px);
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: 2;
}

.video-modal.is-open .video-modal__container {
  transform: scale(1) translateY(0);
}

.video-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: background 0.2s ease, transform 0.2s ease;
}
.video-modal__close:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.08);
}
.video-modal__close svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
}

.video-modal__player-wrap {
  position: relative;
  width: 100%;
  background: #000;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-modal__player {
  width: 100%;
  height: 100%;
  max-height: 68vh;
  object-fit: contain;
  background: #000;
}

.video-modal__info {
  padding: var(--s-5) var(--s-8);
  background: #16161F;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-6);
  flex-wrap: wrap;
}

.video-modal__title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: #ffffff;
  margin-bottom: 4px;
}

.video-modal__meta {
  font-size: var(--fs-sm);
  color: #94A3B8;
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-wrap: wrap;
}

.video-modal__tools {
  display: flex;
  gap: var(--s-2);
  flex-wrap: wrap;
}

.video-modal__tool-tag {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--r-full);
  background: rgba(49, 92, 255, 0.15);
  color: #818CF8;
  border: 1px solid rgba(49, 92, 255, 0.3);
  font-weight: var(--fw-medium);
}

/* ══════════════════════════════════════════════════════════════
   PROJECT CASE STUDY LIGHTBOX MODAL
   ══════════════════════════════════════════════════════════════ */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-4);
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.project-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.project-modal__backdrop {
  position: absolute;
  inset: 0;
}

.project-modal__container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  overflow-y: auto;
  background: #111827;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--r-2xl);
  padding: var(--s-8);
  color: #F3F4F6;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: translateY(20px) scale(0.96);
  transition: transform 0.3s var(--ease-out);
}

.project-modal.is-open .project-modal__container {
  transform: translateY(0) scale(1);
}

.project-modal__close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #9CA3AF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.project-modal__close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

.project-modal__close svg {
  width: 20px;
  height: 20px;
}

.project-modal__badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #818CF8;
  background: rgba(129, 140, 248, 0.12);
  padding: 4px 12px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: var(--s-3);
}

.project-modal__title {
  font-size: var(--fs-h3);
  font-weight: 800;
  color: #FFFFFF;
  line-height: var(--lh-tight);
  margin-bottom: var(--s-1);
}

.project-modal__company {
  font-size: var(--fs-sm);
  color: #9CA3AF;
  font-weight: var(--fw-medium);
  margin-bottom: var(--s-6);
}

.project-modal__body {
  display: flex;
  flex-direction: column;
  gap: var(--s-6);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--s-6);
  margin-bottom: var(--s-6);
}

.project-modal__section h4 {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #6B7280;
  margin-bottom: var(--s-2);
}

.project-modal__section p {
  font-size: var(--fs-sm);
  color: #D1D5DB;
  line-height: var(--lh-relaxed);
}

.project-modal__deliverables {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.project-modal__deliverables li {
  font-size: var(--fs-sm);
  color: #E5E7EB;
  display: flex;
  align-items: center;
  gap: var(--s-2);
}

.project-modal__deliverables li::before {
  content: '✦';
  color: #818CF8;
  font-size: 10px;
}

.project-modal__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--s-3);
}

.project-modal__stat-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
  padding: var(--s-3) var(--s-4);
  text-align: center;
}

.project-modal__stat-val {
  font-size: var(--fs-h4);
  font-weight: 800;
  color: #38BDF8;
}

.project-modal__stat-lbl {
  font-size: 11px;
  color: #9CA3AF;
  margin-top: 2px;
}

.project-modal__tools {
  display: flex;
  gap: var(--s-2);
  flex-wrap: wrap;
}

.project-modal__footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--s-5);
  display: flex;
  justify-content: flex-end;
}

/* ══════════════════════════════════════════════════════════════
   INTERACTIVE UX ENHANCEMENTS (60FPS HARDWARE ACCELERATED)
   ══════════════════════════════════════════════════════════════ */

/* 1. Scroll Progress Bar */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #315CFF, #6366F1, #38BDF8);
  z-index: 9999;
  box-shadow: 0 0 10px rgba(49, 92, 255, 0.7);
  transition: width 0.1s ease-out;
  pointer-events: none;
}

/* 2. Interactive Ambient Cursor Glow (Desktop Only) */
.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(49, 92, 255, 0.07) 0%, rgba(99, 102, 241, 0.02) 45%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9998;
  transition: opacity 0.3s ease;
  will-change: transform;
}

@media (max-width: 991px), (hover: none) {
  .cursor-glow { display: none !important; }
}

/* 3. Hero Stats Bar */
.stats-strip {
  background: var(--surface);
  border-y: 1px solid var(--border);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--s-8) 0;
  margin-top: calc(var(--s-12) * -1);
  position: relative;
  z-index: 10;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--s-6);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-item__number {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--text);
  font-family: var(--font-heading);
  letter-spacing: var(--ls-tight);
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}

.stat-item__number .accent {
  color: var(--accent);
}

.stat-item__label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-muted);
}

/* 4. Interactive 3D Card Hover / Shimmer */
.project-card, .service-card, .insight-card {
  will-change: transform;
  transform-style: preserve-3d;
}

/* 5. Instant Toast Notification */
.toast-notification {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  opacity: 0;
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #F9FAFB;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  padding: 12px 24px;
  border-radius: var(--r-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10000;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
  pointer-events: none;
}

.toast-notification.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-notification__icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}

/* 6. Back-to-Top Floating Button */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--sh-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.9);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 12px 24px rgba(49, 92, 255, 0.35);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  transition: transform 0.2s ease;
}

.back-to-top:hover svg {
  transform: translateY(-2px);
}