/* ==========================================================================
   sections.css — DigitalStone AI
   Per-section layout styles, in page order.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Shared section utilities
   -------------------------------------------------------------------------- */

.ds-section {
  padding: var(--section-pad-y) var(--section-pad-x);
  position: relative;
}

.ds-section--dark  { background: var(--ds-black);      color: var(--ds-text-primary-dark); }
.ds-section--light { background: var(--ds-light-gray); color: var(--ds-text-primary-light); }

.section-h2 {
  font-family: var(--ds-font-display);
  font-size: var(--ds-text-h2-sm);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.9px;
  margin: 0;
}

/* Shared kicker label */
.kicker {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ds-bright-blue);
  margin: 0 0 18px;
}

.kicker--light {
  color: rgba(0, 0, 0, 0.48);
}

/* Shared italic accents */
.italic-blue       { font-family: "Times New Roman", Georgia, serif; font-style: italic; font-weight: 400; color: var(--ds-bright-blue);             letter-spacing: -1.5px; }
.italic-blue-light { font-family: "Times New Roman", Georgia, serif; font-style: italic; font-weight: 400; color: var(--ds-blue);                    letter-spacing: -1px; }
.italic-muted      { font-family: "Times New Roman", Georgia, serif; font-style: italic; font-weight: 400; color: rgba(255, 255, 255, 0.52);         letter-spacing: -1.2px; }
.italic-muted-dark { font-family: "Times New Roman", Georgia, serif; font-style: italic; font-weight: 400; color: rgba(255, 255, 255, 0.5);          letter-spacing: -1.4px; }
.italic-muted-light{ font-family: "Times New Roman", Georgia, serif; font-style: italic; font-weight: 400; color: rgba(0, 0, 0, 0.42);              letter-spacing: -0.9px; }

/* Shared dark text muted span */
.text-muted-dark { color: rgba(255, 255, 255, 0.4); }

/* Dot accent (About tag) */
.dot-accent {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--ds-radius-circle);
  background: var(--ds-bright-blue);
  flex-shrink: 0;
}

/* Shared CTA pair */
.cta-center {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  color: var(--ds-text-primary-dark);
}

.cta-h2 {
  font-family: var(--ds-font-display);
  font-size: 2.75rem;
  font-weight: 600;
  letter-spacing: -0.7px;
  line-height: 1.08;
  margin: 0;
}

.cta-sub {
  font-size: var(--ds-text-body);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.68);
  letter-spacing: -0.24px;
  margin: 20px auto 28px;
  max-width: 520px;
}

.cta-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 28px;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero-section {
  position: relative;
  background: var(--ds-black);
  color: var(--ds-text-primary-dark);
  padding: 120px var(--section-pad-x) 64px;
  overflow: hidden;
  text-align: center;
  min-height: 760px;
}

.dot-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse at 50% 40%, black 10%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, black 10%, transparent 72%);
}

.hero-logo-bg {
  position: absolute;
  top: 42%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 780px;
  height: auto;
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
  filter: blur(0.3px) saturate(120%);
}

.hero-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 680px;
  height: 680px;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.28) 0%, rgba(26, 182, 255, 0.08) 35%, transparent 68%);
  filter: blur(20px);
  pointer-events: none;
  z-index: 0;
}

.hero-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.hero-float-box {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.015);
}

.hero-float-box--1 { top: 120px; left: 80px;  width: 64px; height: 64px; }
.hero-float-box--2 { top: 260px; right: 110px; width: 80px; height: 80px; opacity: 0.35; }
.hero-float-box--3 { top: 480px; left: 180px;  width: 42px; height: 42px; opacity: 0.5; }

.hero-lockup {
  position: absolute;
  top: calc(var(--ds-nav-height) + 16px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}

.hero-lockup-plate {
  background: var(--ds-white);
  border-radius: 10px;
  padding: 6px 10px;
  box-shadow: 0 10px 40px rgba(0, 113, 227, 0.18), 0 2px 8px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.hero-lockup-img { height: 64px; width: auto; }

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 920px;
  margin: 0 auto;
}

/* Logo plate sitting in normal flow above the headline */
.hero-logo-above {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
}

.hero-logo-above-plate {
  background: var(--ds-white);
  border-radius: 12px;
  padding: 8px 12px;
  box-shadow: 0 8px 32px rgba(0, 113, 227, 0.18), 0 2px 8px rgba(0, 0, 0, 0.22);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.hero-logo-above-img {
  height: 100px;
  width: auto;
}

.hero-eyebrow {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: -0.18px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  justify-content: center;
}

.chip {
  padding: 3px 10px;
  border-radius: var(--ds-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
}

.hero-h1 {
  font-family: var(--ds-font-display);
  font-size: 4.5rem;
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -1.2px;
  margin: 0 auto;
  max-width: 860px;
  color: var(--ds-text-primary-dark);
}

.hero-sub {
  font-size: var(--ds-text-body);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: -0.26px;
  max-width: 620px;
  margin: 24px auto 0;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 28px;
}

.logo-strip {
  max-width: 1080px;
  margin: 76px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.logo-row {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.logo-item {
  font-family: var(--ds-font-display);
  font-size: var(--ds-text-small);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.38);
  letter-spacing: -0.2px;
}

/* --------------------------------------------------------------------------
   About
   -------------------------------------------------------------------------- */

.about-section {
  background: var(--ds-black);
  color: var(--ds-text-primary-dark);
  padding: var(--section-pad-y) var(--section-pad-x) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 40px;
  align-items: flex-start;
  max-width: 1040px;
  margin: 0 auto;
  padding-bottom: var(--section-pad-y);
}

.about-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--ds-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.82);
  letter-spacing: -0.18px;
  white-space: nowrap;
  margin-top: 8px;
}

.about-h2 {
  font-family: var(--ds-font-display);
  font-size: 2.375rem;
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -0.6px;
  margin: 0;
}

.about-cta { margin-top: 28px; }

/* --------------------------------------------------------------------------
   Stats
   -------------------------------------------------------------------------- */

.stats-section {
  background: var(--ds-black);
  color: var(--ds-text-primary-dark);
  padding: var(--section-pad-y) var(--section-pad-x) 120px;
  position: relative;
}

.stats-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 64px;
}

.stats-h2 {
  font-family: var(--ds-font-display);
  font-size: 3.5rem;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.9px;
  margin: 0;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 24px;
}

.stat-number {
  font-family: var(--ds-font-display);
  font-size: 4.5rem;
  font-weight: 300;
  letter-spacing: -2px;
  line-height: 1;
  margin: 0;
}

.stat-key {
  font-size: 15px;
  margin-top: 12px;
  letter-spacing: -0.2px;
  font-weight: 500;
}

.stat-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.52);
  margin-top: 6px;
  letter-spacing: -0.18px;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Approach
   -------------------------------------------------------------------------- */

.approach-section {
  background: var(--ds-light-gray);
  color: var(--ds-text-primary-light);
  padding: var(--section-pad-y) var(--section-pad-x);
}

.approach-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 48px;
}

.approach-h2 {
  font-family: var(--ds-font-display);
  font-size: 3rem;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.9px;
  margin: 0;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.value-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px 28px;
  background: var(--ds-white);
  border-radius: var(--ds-radius-2xl);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.value-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  letter-spacing: -0.2px;
  color: var(--ds-near-black);
  line-height: 1.4;
}

.value-dot {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: var(--ds-radius-pill);
  background: #eaf3ff;
  border: 1px solid rgba(0, 113, 227, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   Winning Deployments
   -------------------------------------------------------------------------- */

.deployments-section {
  background: var(--ds-black);
  color: var(--ds-text-primary-dark);
  padding: var(--section-pad-y) var(--section-pad-x);
}

.deployments-header {
  text-align: center;
  margin-bottom: 56px;
}

.deployments-h2 {
  font-family: var(--ds-font-display);
  font-size: 2.375rem;
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -0.6px;
  margin: 0;
}

.campaigns-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 16px;
}

/* --------------------------------------------------------------------------
   Partner CTA
   -------------------------------------------------------------------------- */

.partner-section {
  background: var(--ds-black);
  padding: 0 var(--section-pad-x) 120px;
}

.partner-panel {
  position: relative;
  border-radius: var(--ds-radius-3xl);
  overflow: hidden;
  background: linear-gradient(125deg, #001f3f 0%, #003b73 40%, #0071e3 100%);
  padding: 72px 60px;
  color: var(--ds-text-primary-dark);
  border: 1px solid rgba(41, 151, 255, 0.3);
}

.partner-panel-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 48px;
  align-items: center;
}

/* Middle column — nav link buttons */
.partner-nav-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.partner-nav-link {
  display: block;
  color: rgba(255, 255, 255, 0.88);
  font-family: var(--ds-font-text);
  font-size: 15px;
  letter-spacing: -0.2px;
  text-decoration: none;
  padding: 10px 20px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--ds-radius-pill);
  background: rgba(255, 255, 255, 0.08);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.partner-nav-link:hover {
  background: rgba(255, 255, 255, 0.18);
  color: var(--ds-white);
  text-decoration: none;
}

/* Right column — logo plate */
.partner-logo-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}

.partner-logo-plate {
  background: var(--ds-white);
  border-radius: var(--ds-radius-2xl);
  padding: 20px 24px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 113, 227, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.partner-logo-img {
  height: 88px;
  width: auto;
}

.partner-panel-glow {
  position: absolute;
  top: -40%;
  right: -10%;
  width: 70%;
  height: 180%;
  background: radial-gradient(ellipse, rgba(76, 196, 255, 0.5) 0%, transparent 55%);
  filter: blur(40px);
  pointer-events: none;
}

.partner-panel-content {
  /* z-index handled by .partner-panel-inner */
}

.partner-h3 {
  font-family: var(--ds-font-display);
  font-size: 2.5rem;
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.6px;
  margin: 0 0 22px;
  max-width: 620px;
}

/* --------------------------------------------------------------------------
   Closing
   -------------------------------------------------------------------------- */

.closing-section {
  background: var(--ds-light-gray);
  color: var(--ds-text-primary-light);
  padding: var(--section-pad-y) var(--section-pad-x) 120px;
}

.closing-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: flex-start;
  max-width: 1040px;
  margin: 0 auto;
}

.closing-h2 {
  font-family: var(--ds-font-display);
  font-size: 3rem;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.9px;
  margin: 0;
}

.closing-body {
  font-size: var(--ds-text-body);
  line-height: 1.6;
  color: rgba(0, 0, 0, 0.66);
  letter-spacing: -0.24px;
  margin: 0;
}

/* --------------------------------------------------------------------------
   Shared page hero (Services, Cases, Links, Contact)
   -------------------------------------------------------------------------- */

.page-hero {
  position: relative;
  background: var(--ds-black);
  color: var(--ds-text-primary-dark);
  padding: var(--section-pad-y) var(--section-pad-x) 72px;
  overflow: hidden;
  text-align: center;
}

.page-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin: 0 auto;
}

.page-h1 {
  font-family: var(--ds-font-display);
  font-size: 4.25rem;
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -1.2px;
  margin: 0;
}

.page-sub {
  font-size: var(--ds-text-body);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.68);
  letter-spacing: -0.24px;
  margin: 22px auto 0;
  max-width: 620px;
}

/* --------------------------------------------------------------------------
   Services Grid
   -------------------------------------------------------------------------- */

.services-grid-section {
  background: var(--ds-light-gray);
  color: var(--ds-text-primary-light);
  padding: var(--section-pad-y) var(--section-pad-x);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* --------------------------------------------------------------------------
   Process
   -------------------------------------------------------------------------- */

.process-section {
  background: var(--ds-black);
  color: var(--ds-text-primary-dark);
  padding: var(--section-pad-y) var(--section-pad-x);
}

.process-header {
  max-width: 640px;
  margin-bottom: 56px;
}

.process-h2 {
  font-family: var(--ds-font-display);
  font-size: 3rem;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.9px;
  margin: 0;
}

.process-list {
  display: flex;
  flex-direction: column;
}

/* --------------------------------------------------------------------------
   Skills
   -------------------------------------------------------------------------- */

.skills-section {
  background: var(--ds-light-gray);
  color: var(--ds-text-primary-light);
  padding: var(--section-pad-y) var(--section-pad-x);
}

.skills-header {
  margin-bottom: 48px;
}

.skills-h2 {
  font-family: var(--ds-font-display);
  font-size: 3rem;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.9px;
  margin: 0;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

/* --------------------------------------------------------------------------
   Services CTA
   -------------------------------------------------------------------------- */

.sv-cta {
  background: var(--ds-black);
  padding: var(--section-pad-y) var(--section-pad-x) 120px;
  color: var(--ds-text-primary-dark);
}

/* --------------------------------------------------------------------------
   Case Filters
   -------------------------------------------------------------------------- */

.case-filters-section {
  background: var(--ds-black);
  padding: 0 var(--section-pad-x) 24px;
}

.case-filters {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Cases Grid
   -------------------------------------------------------------------------- */

.cases-grid-section {
  background: var(--ds-black);
  padding: 24px var(--section-pad-x) 72px;
}

.cases-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* Hidden tiles (filter) */
.case-tile[hidden] { display: none; }

/* --------------------------------------------------------------------------
   Deep Dive
   -------------------------------------------------------------------------- */

.deep-dive-section {
  background: var(--ds-light-gray);
  color: var(--ds-text-primary-light);
  padding: var(--section-pad-y) var(--section-pad-x);
}

/* --------------------------------------------------------------------------
   Cases CTA
   -------------------------------------------------------------------------- */

.cases-cta {
  background: var(--ds-black);
  padding: var(--section-pad-y) var(--section-pad-x) 120px;
  text-align: center;
}

/* --------------------------------------------------------------------------
   Links Grid
   -------------------------------------------------------------------------- */

.links-grid-section {
  background: var(--ds-light-gray);
  padding: 72px var(--section-pad-x) 120px;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* --------------------------------------------------------------------------
   Links CTA
   -------------------------------------------------------------------------- */

.lk-cta {
  background: var(--ds-black);
  padding: var(--section-pad-y) var(--section-pad-x) 120px;
  text-align: center;
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */

.contact-section {
  background: var(--ds-light-gray);
  color: var(--ds-text-primary-light);
  padding: 72px var(--section-pad-x) 120px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: flex-start;
}

/* --------------------------------------------------------------------------
   Responsive — Hero
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
  .hero-section    { padding: 100px var(--section-pad-x) 48px; min-height: 0; }
  .hero-h1         { font-size: 2.75rem; letter-spacing: -0.7px; }
  .hero-logo-bg    { width: 320px; }
  .hero-glow       { width: 320px; height: 320px; }
  .hero-float-box--1,
  .hero-float-box--2,
  .hero-float-box--3 { display: none; }
  .logo-row        { gap: 20px; }
  .logo-strip      { margin-top: 48px; }

  .page-h1         { font-size: 2.5rem; letter-spacing: -0.7px; }

  .about-grid      { grid-template-columns: 1fr; gap: 24px; }
  .stats-row       { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stats-h2        { font-size: 2.5rem; }
  .stats-header    { flex-direction: column; align-items: flex-start; }
  .project-grid    { grid-template-columns: 1fr; }
  .value-row       { grid-template-columns: 1fr; }
  .campaigns-grid  { grid-template-columns: 1fr; }
  .partner-panel        { padding: 40px 28px; }
  .partner-panel-inner  { grid-template-columns: 1fr; gap: 28px; }
  .partner-logo-wrap    { justify-content: flex-start; }
  .partner-h3           { font-size: 1.75rem; }
  .closing-grid    { grid-template-columns: 1fr; gap: 32px; }

  .services-grid   { grid-template-columns: 1fr; }
  .skills-grid     { grid-template-columns: repeat(2, 1fr); }
  .cases-grid      { grid-template-columns: 1fr; }
  .links-grid      { grid-template-columns: 1fr; }
  .contact-layout  { grid-template-columns: 1fr; }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .hero-h1         { font-size: 3.5rem; letter-spacing: -1px; }
  .hero-logo-bg    { width: 520px; }
  .stats-row       { grid-template-columns: repeat(2, 1fr); }
  .value-row       { grid-template-columns: repeat(2, 1fr); }
  .skills-grid     { grid-template-columns: repeat(2, 1fr); }
  .contact-layout  { grid-template-columns: 1fr; }
}