/**
 * Da'at Tec — Section Styles
 * Frame.io-inspired product storytelling layouts
 */

/* ——— Hero ——— */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-20) var(--space-24);
  background-color: var(--hero-bg);
  min-height: calc(100svh - var(--header-height));
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 75% 35%, var(--hero-glow-gold), transparent 55%),
    radial-gradient(ellipse 55% 45% at 15% 80%, var(--hero-glow-blue), transparent 50%),
    linear-gradient(180deg, transparent 60%, color-mix(in srgb, var(--color-background) 35%, transparent) 100%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 70% 40%, black 10%, transparent 70%);
  pointer-events: none;
  opacity: 0.5;
}

.hero__inner {
  position: relative;
  z-index: var(--z-base);
  display: grid;
  gap: var(--space-12);
  align-items: center;
  width: 100%;
}

.hero__content {
  max-width: 40rem;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding: 0.4rem 0.85rem;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border: 1px solid rgba(229, 185, 60, 0.25);
  border-radius: var(--radius-full);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, var(--text-6xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tighter);
  color: var(--color-text);
}

.hero__title-line {
  display: block;
}

.hero__title-line--accent {
  background: var(--hero-title-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  margin-top: var(--space-6);
  font-size: clamp(1.05rem, 1.6vw, var(--text-lg));
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
  max-width: 36rem;
}

.hero__actions {
  margin-top: var(--space-8);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-8);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.hero__meta-item {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.hero__meta-item strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

.hero__visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 32rem;
  margin-inline: auto;
}

/* Platform stage (Frame.io-like product canvas) */
.platform-stage {
  position: relative;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border-strong);
  background:
    linear-gradient(160deg, var(--overlay-medium), transparent 40%),
    var(--color-surface-elevated);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  overflow: hidden;
  min-height: 22rem;
}

.platform-stage__bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--platform-bar-bg);
}

.platform-stage__dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.platform-stage__dot:nth-child(1) { background: #ff5f57; }
.platform-stage__dot:nth-child(2) { background: #febc2e; }
.platform-stage__dot:nth-child(3) { background: #28c840; }

.platform-stage__title {
  margin-left: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.platform-stage__body {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  min-height: 18rem;
}

.platform-stage__rail {
  padding: var(--space-4);
  border-right: 1px solid var(--color-border);
  background: var(--platform-rail-bg);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.platform-stage__rail-item {
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border: 1px solid transparent;
}

.platform-stage__rail-item.is-active {
  color: var(--color-text);
  background: var(--color-accent-soft);
  border-color: rgba(229, 185, 60, 0.25);
}

.platform-stage__canvas {
  position: relative;
  padding: var(--space-5);
  overflow: hidden;
}

.platform-stage__canvas .tech-viz {
  position: absolute;
  inset: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

/* Abstract technology visualization */
.tech-viz {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 30% 20%, var(--hero-glow-gold) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, var(--hero-glow-blue) 0%, transparent 45%),
    linear-gradient(160deg, var(--color-surface-elevated) 0%, var(--color-surface) 100%);
  border: var(--border-width) solid var(--color-border);
}

.tech-viz__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

.tech-viz__nodes {
  position: absolute;
  inset: 0;
}

.tech-viz__svg {
  width: 100%;
  height: 100%;
}

.tech-viz__node {
  fill: var(--color-accent);
  opacity: 0.95;
}

.tech-viz__node--secondary {
  fill: #7BA3F5;
  opacity: 0.8;
}

.tech-viz__node--tertiary {
  fill: #A8C3FA;
  opacity: 0.55;
}

.tech-viz__line {
  stroke: rgba(229, 185, 60, 0.28);
  stroke-width: 1;
  fill: none;
}

.tech-viz__line--strong {
  stroke: rgba(91, 141, 239, 0.45);
}

.tech-viz__pulse {
  fill: var(--color-accent-light);
  opacity: 0;
}

.tech-viz__label {
  fill: rgba(255, 255, 255, 0.5);
  font-size: 10px;
  font-family: var(--font-sans);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (prefers-reduced-motion: no-preference) {
  .tech-viz__pulse {
    animation: viz-pulse 3.2s var(--ease-in-out) infinite;
  }

  .tech-viz__pulse--delay {
    animation-delay: 1.5s;
  }

  .tech-viz__node {
    animation: viz-glow 4s var(--ease-in-out) infinite;
  }
}

@keyframes viz-pulse {
  0%, 100% { opacity: 0; r: 4; }
  50% { opacity: 0.35; r: 14; }
}

@keyframes viz-glow {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* ——— Credibility ——— */
.credibility {
  padding-block: var(--space-10);
  border-block: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
}

.credibility__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2) var(--space-8);
}

.credibility .metric {
  border-left: 2px solid rgba(229, 185, 60, 0.35);
  padding-left: var(--space-4);
  padding-block: var(--space-4);
}

/* ——— Spotlight / narrative blocks (Frame.io style) ——— */
.spotlight {
  display: grid;
  gap: var(--space-10);
  align-items: center;
}

.spotlight__media {
  position: relative;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface-elevated);
  min-height: 18rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.spotlight__media-glow {
  position: absolute;
  inset: auto;
  width: 60%;
  height: 60%;
  top: 20%;
  left: 20%;
  background: radial-gradient(circle, rgba(229, 185, 60, 0.18), transparent 70%);
  pointer-events: none;
}

.spotlight__list {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.spotlight__item {
  padding-left: var(--space-5);
  border-left: 2px solid var(--color-border-strong);
  transition: border-color var(--duration-base) var(--ease-out);
}

.spotlight__item:hover {
  border-left-color: var(--color-accent);
}

.spotlight__item-title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.spotlight__item-body {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
}

/* ——— Deep feature band ——— */
.feature-band {
  display: grid;
  gap: var(--space-8);
}

.feature-band__intro {
  max-width: 40rem;
}

.feature-band__grid {
  display: grid;
  gap: var(--space-5);
}

/* ——— About teaser ——— */
.about-teaser__grid {
  display: grid;
  gap: var(--space-12);
  align-items: start;
}

.about-teaser__principles {
  display: grid;
  gap: 0;
}

/* ——— Architecture ——— */
.architecture {
  padding: var(--space-10);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
    var(--color-surface-elevated);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
}

.architecture__flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.architecture__node {
  position: relative;
  width: 100%;
  max-width: 18rem;
  padding: var(--space-4) var(--space-5);
  text-align: center;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    border-color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    background-color var(--duration-base) var(--ease-out);
}

.architecture__node:hover,
.architecture__node.is-active {
  border-color: rgba(229, 185, 60, 0.45);
  box-shadow: 0 0 0 1px rgba(229, 185, 60, 0.15), var(--shadow-xs);
  background-color: var(--color-surface-hover);
}

.architecture__node--accent {
  background: linear-gradient(180deg, rgba(229, 185, 60, 0.16), rgba(229, 185, 60, 0.06));
  border-color: rgba(229, 185, 60, 0.35);
  color: var(--color-text);
}

.architecture__connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 1.75rem;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-border-strong), var(--color-accent));
  position: relative;
}

.architecture__connector::after {
  content: "";
  position: absolute;
  bottom: -2px;
  width: 5px;
  height: 5px;
  border-right: 1.5px solid var(--color-accent);
  border-bottom: 1.5px solid var(--color-accent);
  transform: rotate(45deg);
}

.architecture__caption {
  margin-top: var(--space-8);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 32rem;
  margin-inline: auto;
}

/* ——— Process ——— */
.process {
  display: grid;
  gap: var(--space-8);
}

.process__step {
  position: relative;
  padding-left: var(--space-8);
  border-left: var(--border-width) solid var(--color-border);
  padding-bottom: var(--space-8);
}

.process__step:last-child {
  padding-bottom: 0;
}

.process__step::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 0.35rem;
  width: 9px;
  height: 9px;
  background-color: var(--color-accent);
  border-radius: 50%;
  border: 2px solid var(--color-background);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.process__number {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.process__title {
  margin-bottom: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.process__body {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
}

/* ——— Why ——— */
.why-grid {
  display: grid;
  gap: var(--space-4);
}

.why-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
    var(--color-surface-elevated);
  transition:
    border-color var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.why-item:hover {
  border-color: rgba(229, 185, 60, 0.28);
  transform: translateY(-2px);
}

.why-item__marker {
  flex-shrink: 0;
  width: 0.4rem;
  height: 0.4rem;
  margin-top: 0.55rem;
  background-color: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(229, 185, 60, 0.45);
}

.why-item__title {
  margin-bottom: var(--space-1);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.why-item__body {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
}

/* ——— CTA ——— */
/* CTA stays cinematic dark in both themes */
.cta-band {
  padding-block: var(--space-24);
  background:
    radial-gradient(ellipse 70% 80% at 80% 50%, rgba(229, 185, 60, 0.14), transparent 55%),
    radial-gradient(ellipse 50% 60% at 10% 80%, rgba(91, 141, 239, 0.1), transparent 50%),
    #03050A;
  color: #F3F5F8;
  position: relative;
  overflow: hidden;
  border-block: 1px solid rgba(255, 255, 255, 0.08);
}

.cta-band__title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: #F3F5F8;
}

.cta-band__lead {
  margin-top: var(--space-4);
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: #9AA3B5;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 50%, black 10%, transparent 70%);
  pointer-events: none;
}

.cta-band__inner {
  position: relative;
  z-index: var(--z-base);
  max-width: 40rem;
}

.cta-band__actions {
  margin-top: var(--space-8);
}

/* ——— Technology ——— */
.tech-category {
  padding: var(--space-7, var(--space-6)) 0;
  border-bottom: var(--border-width) solid var(--color-border);
}

.tech-category:last-child {
  border-bottom: 0;
}

.tech-category__header {
  margin-bottom: var(--space-4);
}

.tech-category__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.tech-category__desc {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 36rem;
}

/* ——— Service detail ——— */
.service-detail {
  display: grid;
  gap: var(--space-8);
  padding-block: var(--space-12);
  border-bottom: var(--border-width) solid var(--color-border);
}

.service-detail:last-child {
  border-bottom: 0;
}

.service-detail__meta {
  display: grid;
  gap: var(--space-6);
}

.service-detail__block-title {
  margin-bottom: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
}

.service-detail__meta .detail-list {
  margin-top: var(--space-2);
}

.service-detail .body-text {
  max-width: 28rem;
}

.empty-state {
  padding: var(--space-12);
  text-align: center;
  background-color: var(--color-surface-elevated);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-2xl);
}

.empty-state__title {
  margin-bottom: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.empty-state__body {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
  max-width: 28rem;
  margin-inline: auto;
}

.contact-layout {
  display: grid;
  gap: var(--space-12);
}

.contact-info {
  display: grid;
  gap: var(--space-6);
}

.contact-info__item-title {
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.contact-info__item-body {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
}

.inquiry-types {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.prose {
  max-width: 42rem;
}

.prose p + p {
  margin-top: var(--space-5);
}

.prose h3 {
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.prose ul {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.prose li {
  position: relative;
  padding-left: var(--space-5);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
}

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* Marquee-like capability row */
.capability-marquee {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.capability-chip {
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--overlay-soft);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
}

.detail-grid > .detail-panel {
  margin-top: 0;
}

.detail-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.detail-list li {
  position: relative;
  padding-left: var(--space-6);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
}

.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  border: 1.5px solid rgba(229, 185, 60, 0.55);
  background:
    radial-gradient(circle at center, var(--color-accent) 0 35%, transparent 36%);
}

.detail-panel {
  margin-top: var(--space-8);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--overlay-soft);
}

.detail-panel__title {
  margin-bottom: var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
}

.detail-grid {
  display: grid;
  gap: var(--space-5);
}

.detail-grid__item-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.detail-grid__item-body {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
}

.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

@media (min-width: 768px) {
  .detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .detail-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}