/* web-app-dev.css -- Web Application Development Page */

/* -- HERO -------------------------------------------------------- */
.wad-hero {
  position: relative;
  padding: 8rem 0 5rem;
  min-height: 95vh;
  display: flex;
  align-items: center;
  background: var(--clr-surface);
  overflow: hidden;
}

.wad-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.wad-glow-1 {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(181, 36, 106, 0.08) 0%, transparent 70%);
  top: -10%;
  right: -10%;
  border-radius: 50%;
  animation: wadGlow 8s ease-in-out infinite alternate;
}

.wad-glow-2 {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(26, 46, 68, 0.05) 0%, transparent 70%);
  bottom: -20%;
  left: -5%;
  border-radius: 50%;
  animation: wadGlow 10s ease-in-out infinite alternate-reverse;
}

.wad-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(26, 46, 68, 0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(26, 46, 68, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(circle at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, black 30%, transparent 80%);
}

@keyframes wadGlow {
  0% { transform: scale(0.9) translate(0, 0); }
  100% { transform: scale(1.1) translate(-20px, 20px); }
}

.wad-hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 10;
}

.wad-hero-content {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.wad-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--clr-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 12px rgba(26, 46, 68, 0.05);
}

.wad-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--clr-accent);
  border-radius: 50%;
  animation: wadPulse 2s infinite;
}

@keyframes wadPulse {
  0% { box-shadow: 0 0 0 0 rgba(181, 36, 106, 0.4); }
  70% { box-shadow: 0 0 0 6px rgba(181, 36, 106, 0); }
  100% { box-shadow: 0 0 0 0 rgba(181, 36, 106, 0); }
}

.wad-title {
  font-family: var(--font-headings);
  font-size: clamp(2.5rem, 4vw, 4.2rem);
  font-weight: 800;
  color: var(--clr-primary);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.wad-accent {
  color: var(--clr-accent);
  display: inline-block;
  position: relative;
}

.wad-accent::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 0;
  width: 100%;
  height: 8px;
  background: var(--clr-accent-pale);
  z-index: -1;
  opacity: 0.6;
}

.wad-desc {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--clr-text-muted);
  max-width: 650px;
  margin: 0 auto 2.5rem auto;
  text-align: center;
}

.wad-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.wad-cta {
  padding: 0.9rem 2rem;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  box-shadow: 0 8px 24px rgba(181, 36, 106, 0.25);
  transition: all 0.3s var(--ease-out);
}

.wad-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(181, 36, 106, 0.35);
}

/* Hero Visual - Removed as per center alignment request */


/* -- SHARED SECTION STYLES --------------------------------------- */
.wad-sec {
  position: relative;
  padding: 6rem 0;
  background: var(--clr-surface);
  overflow: hidden;
}

.wad-sec-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--clr-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
}

.wad-sec-title {
  font-family: var(--font-headings);
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 800;
  color: var(--clr-primary);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.wad-sec-title em {
  font-style: italic;
  color: var(--clr-accent);
}

.wad-sec-desc {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 2rem;
}

.wad-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.wad-reveal.in {
  opacity: 1;
  transform: none;
}

.wad-sec-content-center {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.wad-sec-content-center .wad-sec-desc {
  text-align: center;
}

/* -- S1: ARCHITECTURE -------------------------------------------- */
.wad-arch {
  background: var(--clr-surface-2);
}

.wad-arch-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.wad-feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.wad-feature-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-primary);
  background: #fff;
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
  box-shadow: 0 4px 12px rgba(26, 46, 68, 0.03);
}

.wad-check {
  color: var(--clr-accent);
  font-weight: 800;
}

.wad-arch-visual {
  position: relative;
  width: 100%;
}

.wad-stack-layers {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
}

.wad-layer {
  width: 100%;
  max-width: 380px;
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  box-shadow: 0 12px 32px rgba(26, 46, 68, 0.05);
  transition: transform 0.3s ease;
  position: relative;
}

.wad-layer:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--clr-accent-pale);
}

.wad-layer-icon {
  width: 50px;
  height: 50px;
  background: var(--clr-surface-2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.wad-layer-info {
  display: flex;
  flex-direction: column;
}

.wad-layer-info strong {
  font-size: 1.05rem;
  color: var(--clr-primary);
}

.wad-layer-info span {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}

.wad-layer-connector {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--clr-accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.5rem 0;
  opacity: 0.7;
}

/* -- S2: PERFORMANCE --------------------------------------------- */
.wad-perf {
  background: var(--clr-surface);
}

.wad-perf-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.wad-perf-header .wad-sec-desc {
  margin: 0 auto;
}

.wad-perf-cards {
  display: flex;
  gap: 2rem;
  justify-content: center;
}

.wad-perf-card {
  flex: 1;
  max-width: 340px;
  background: #fff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--clr-border);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: 0 8px 24px rgba(26, 46, 68, 0.04);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.wad-perf-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(26, 46, 68, 0.08);
}

.wad-perf-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.wad-perf-value {
  font-family: var(--font-headings);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--clr-primary);
  margin-bottom: 0.5rem;
}

.wad-perf-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--clr-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.wad-perf-card p {
  font-size: 0.95rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

.wad-perf-card-main {
  background: var(--clr-primary);
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 24px 48px rgba(26, 46, 68, 0.15);
  border: none;
}

.wad-perf-card-main:hover {
  transform: scale(1.05) translateY(-8px);
}

.wad-perf-card-main .wad-perf-value {
  color: #fff;
}

.wad-perf-card-main .wad-perf-name {
  color: var(--clr-accent-pale);
}

.wad-perf-card-main p {
  color: rgba(255, 255, 255, 0.8);
}

.wad-perf-pulse {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(181, 36, 106, 0.3) 0%, transparent 60%);
  pointer-events: none;
}

/* -- S3: SECURITY ------------------------------------------------ */
.wad-security {
  background: var(--clr-surface-2);
}

.wad-security-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(181, 36, 106, 0.04) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.wad-shield-visual {
  position: relative;
  width: 100%;
  max-width: 500px;
  height: 380px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wad-shield-core {
  width: 160px;
  height: 160px;
  color: var(--clr-accent);
  position: relative;
  z-index: 2;
  animation: wadShieldPulse 4s infinite alternate;
}

@keyframes wadShieldPulse {
  0% { transform: scale(1); filter: drop-shadow(0 0 10px rgba(181, 36, 106, 0.2)); }
  100% { transform: scale(1.05); filter: drop-shadow(0 0 30px rgba(181, 36, 106, 0.6)); }
}

.wad-shield-svg {
  width: 100%;
  height: 100%;
}

.wad-threat-node {
  position: absolute;
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-primary);
  box-shadow: 0 8px 24px rgba(26, 46, 68, 0.06);
  z-index: 3;
}

.wad-tn-1 { top: 10%; left: 0; animation: wadFloat 5s ease-in-out infinite alternate; }
.wad-tn-2 { top: 20%; right: 0; animation: wadFloat 6s ease-in-out 1s infinite alternate; }
.wad-tn-3 { bottom: 15%; left: 5%; animation: wadFloat 5.5s ease-in-out 0.5s infinite alternate; }
.wad-tn-4 { bottom: 10%; right: 5%; animation: wadFloat 4.5s ease-in-out 1.5s infinite alternate; }

/* -- S4: UI UX --------------------------------------------------- */
.wad-ui {
  background: var(--clr-surface);
}

.wad-ui-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.wad-saas-mockup {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 64px rgba(26, 46, 68, 0.1);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  position: relative;
  transform: perspective(1000px) rotateY(5deg) rotateX(2deg);
  transition: transform 0.5s ease;
}

.wad-saas-mockup:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.wad-sm-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--clr-border);
  background: var(--clr-surface-2);
}

.wad-sm-logo {
  width: 80px;
  height: 12px;
  background: var(--clr-surface-3);
  border-radius: 4px;
}

.wad-sm-nav {
  display: flex;
  gap: 1rem;
}

.wad-sm-nav span {
  width: 40px;
  height: 6px;
  background: var(--clr-border);
  border-radius: 3px;
}

.wad-sm-user {
  width: 24px;
  height: 24px;
  background: var(--clr-primary);
  border-radius: 50%;
}

.wad-sm-body {
  padding: 2rem;
  background: #fafafa;
}

.wad-sm-dash {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  padding: 1.5rem;
}

.wad-sm-metrics {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.wad-sm-metric {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.sm-m-lbl {
  font-size: 0.7rem;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.sm-m-val {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--clr-primary);
}

.wad-sm-graph {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  height: 120px;
}

.wad-sm-bar {
  flex: 1;
  background: var(--clr-surface-3);
  border-radius: 4px 4px 0 0;
  transition: height 0.5s ease;
}

.wad-ui-text {
  max-width: 500px;
}

.wad-ui-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.wad-ui-feat {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.wuf-icon {
  width: 44px;
  height: 44px;
  background: var(--clr-surface-2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.wuf-text {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.wuf-text strong {
  font-size: 1.05rem;
  color: var(--clr-primary);
}

.wuf-text span {
  font-size: 0.95rem;
  color: var(--clr-text-muted);
  line-height: 1.5;
}

.wad-ui-cta {
  padding: 0.8rem 2rem;
}

/* -- RESPONSIVE -------------------------------------------------- */
@media (max-width: 1024px) {
  .wad-hero-container {
    flex-direction: column;
    text-align: center;
    padding-top: 4rem;
  }
  .wad-desc {
    margin: 0 auto 2.5rem;
  }
  .wad-actions {
    justify-content: center;
  }
  .wad-arch-grid, .wad-ui-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .wad-ui-text {
    max-width: 100%;
    text-align: center;
  }
  .wad-ui-features {
    text-align: left;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }
  .wad-perf-cards {
    flex-wrap: wrap;
  }
  .wad-perf-card {
    flex: 1 1 300px;
    max-width: none;
  }
}

@media (max-width: 768px) {
  .wad-hero {
    padding: 7rem 0 4rem;
  }
  .wad-sec {
    padding: 4rem 0;
  }
  .wad-perf-card-main {
    transform: none;
  }
  .wad-perf-card-main:hover {
    transform: translateY(-8px);
  }
  .wad-threat-node {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
  }
}