/* Light treatment for the custom GEO homepage. Layout and copy remain in styles.css. */
:root {
  --tech-cyan: #72dbff;
  --tech-edge: #b5ddfa;
  --tech-shadow: 0 18px 48px rgb(30 97 151 / 9%);
}

header {
  background: rgb(255 255 255 / 96%);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgb(142 195 229 / 22%), 0 6px 24px rgb(5 40 76 / 4%);
}

.hero {
  isolation: isolate;
  background:
    radial-gradient(ellipse at 78% 41%, rgb(0 134 233 / 21%), transparent 52%),
    radial-gradient(ellipse at 9% 1%, rgb(40 114 180 / 17%), transparent 43%),
    linear-gradient(118deg, #0a1b32 4%, #102c4a 55%, #0b2442);
}
.hero > .container { position: relative; z-index: 1; }
.hero::before, .hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 0;
}
.hero::before {
  inset: 0;
  background-image:
    linear-gradient(rgb(111 192 255 / 7%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(111 192 255 / 7%) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 76% 40%, #000 6%, transparent 72%);
}
.hero::after {
  width: 920px;
  height: 920px;
  top: -270px;
  right: -170px;
  border-radius: 50%;
  background:
    radial-gradient(ellipse at 49% 52%, rgb(55 167 255 / 19%), transparent 52%),
    radial-gradient(ellipse at 63% 19%, rgb(92 221 255 / 15%), transparent 42%);
}
.hero h1 em {
  color: #7fd2ff;
  text-shadow: 0 0 38px rgb(42 165 255 / 27%);
}
@supports (background-clip: text) {
  .hero h1 em {
    background: linear-gradient(100deg, #e4f9ff -18%, #6dc8ff 46%, #6fdaff 100%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
  }
}
.hero-lead { color: #c0d2e3; }
.hero-benefits { color: #a6bfd6; }
.hero-benefits span::before { box-shadow: 0 0 9px #61c8ff; }
.platform-strip {
  position: relative;
  border-top-color: rgb(143 204 246 / 21%);
}
.platform-strip::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 18%;
  width: 64%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgb(114 219 255 / 52%), transparent);
  box-shadow: 0 0 14px rgb(71 168 247 / 16%);
}
.platform-strip > div { color: #e0effa; text-shadow: 0 0 20px rgb(91 184 255 / 15%); }

.answer-scene { isolation: isolate; }
.answer-scene::before {
  content: "";
  position: absolute;
  inset: 12% -9% 0;
  z-index: -1;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgb(40 159 255 / 24%), transparent 67%);
}
.answer-scene::after {
  content: "";
  position: absolute;
  width: 690px;
  height: 690px;
  top: -55px;
  left: -64px;
  border: 1px solid rgb(106 202 255 / 16%);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgb(100 195 255 / 3%), inset 0 0 55px rgb(79 179 255 / 6%);
  transform: rotate(-18deg) scaleY(.74);
  mask-image: linear-gradient(125deg, transparent 3%, #000 30%, #000 74%, transparent);
  pointer-events: none;
  z-index: -1;
}
.question-bubble {
  background: linear-gradient(115deg, rgb(55 105 148 / 52%), rgb(21 69 108 / 72%));
  border-color: rgb(117 201 255 / 38%);
  box-shadow: inset 0 1px 0 rgb(177 226 255 / 17%), 0 10px 35px rgb(1 20 46 / 15%);
}
.answer-sheet {
  border: 1px solid rgb(196 230 255 / 80%);
  background: linear-gradient(145deg, #fff 32%, #edf7ff 100%);
  box-shadow:
    0 28px 70px rgb(0 10 31 / 30%),
    0 0 48px rgb(36 163 255 / 13%),
    inset 0 1px 0 #fff;
}
.answer-sheet::before {
  content: "";
  position: absolute;
  pointer-events: none;
  top: -1px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #fff 45%, var(--tech-cyan), transparent);
  box-shadow: 0 0 17px rgb(113 217 255 / 55%);
}
.source-preview {
  background: linear-gradient(110deg, #eaf6ff, #f7fbff);
  box-shadow: inset 0 1px 0 #fff;
}
.status-dot { background: #86dfff; }

.btn:not(.ghost):not(.white) {
  position: relative;
  isolation: isolate;
  background: var(--primary);
  border-color: rgb(95 184 249 / 44%);
  box-shadow: inset 0 1px 0 rgb(197 237 255 / 25%), 0 7px 18px rgb(0 107 187 / 14%);
}
.hero .btn:not(.ghost) {
  box-shadow: inset 0 1px 0 rgb(197 237 255 / 28%), 0 7px 26px rgb(0 147 255 / 25%);
}
.btn:not(.ghost):not(.white)::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  z-index: -1;
  background: linear-gradient(125deg, rgb(185 233 255 / 18%), transparent 48%);
  opacity: .65;
  transition: opacity .25s;
}
.btn:not(.ghost):not(.white):hover::before { opacity: 1; }
.btn:not(.ghost):not(.white):hover { box-shadow: inset 0 1px 0 rgb(197 237 255 / 38%), 0 10px 30px rgb(0 131 220 / 24%); }
.hero .btn.ghost {
  background: rgb(105 166 212 / 6%);
  border-color: rgb(135 200 246 / 37%);
  box-shadow: inset 0 1px 0 rgb(179 221 255 / 7%);
}

.service-panel, .evidence-table {
  position: relative;
  isolation: isolate;
  border-color: #d4e5f2;
  background: linear-gradient(135deg, #fff 58%, #f3faff);
  box-shadow: var(--tech-shadow), inset 0 1px 0 #fff;
}
.service-panel::before, .evidence-table::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 10%;
  right: 10%;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, #78c9ff, transparent);
}
.service-visual { position: relative; isolation: isolate; }
.service-visual::before {
  content: "";
  position: absolute;
  width: 310px;
  height: 310px;
  left: 50%;
  top: -28px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgb(78 168 252 / 15%), transparent 70%);
  pointer-events: none;
  z-index: -1;
}
.service-visual img { filter: drop-shadow(0 14px 15px rgb(46 87 178 / 11%)); }
.service-tabs button[aria-selected=true]::after { box-shadow: 0 0 12px rgb(0 153 255 / 27%); }
.value-word { text-shadow: 0 3px 18px rgb(0 153 255 / 10%); }
.workflow-grid article { border-top-color: #8fc8ef; }
.workflow-title > span { text-shadow: 0 0 13px rgb(0 153 255 / 15%); }

.industry-panel { position: relative; isolation: isolate; }
.industry-panel::before {
  content: "";
  position: absolute;
  inset: 35px 0 0 55%;
  background: radial-gradient(ellipse, rgb(63 150 243 / 11%), transparent 68%);
  z-index: -1;
  pointer-events: none;
}
.industry-panel > img { filter: drop-shadow(0 17px 18px rgb(35 88 161 / 12%)); }
.industry-tabs button[aria-selected=true] {
  background: var(--primary);
  box-shadow: inset 0 1px 0 rgb(189 227 255 / 35%), 0 5px 15px rgb(0 120 201 / 14%);
}
.question-list li { background: linear-gradient(90deg, #ecf6fd, rgb(244 248 252 / 48%)); }
.plan-list article.featured {
  background: linear-gradient(110deg, #eaf5ff, #f5faff);
  box-shadow: inset 3px 0 0 #8dcfff, 0 7px 25px rgb(31 112 177 / 5%);
}
.reading-list button:hover { background: linear-gradient(90deg, transparent, rgb(218 239 255 / 36%)); }

.contact-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 78% 4%, rgb(108 205 255 / 29%), transparent 55%),
    linear-gradient(110deg, #0064ae, #0078c9 65%, #0865ae);
}
.contact-section > .container { position: relative; z-index: 1; }
.contact-section::before {
  content: "";
  position: absolute;
  width: 760px;
  height: 760px;
  right: -110px;
  top: -430px;
  border-radius: 50%;
  border: 1px solid rgb(177 227 255 / 20%);
  box-shadow: 0 0 0 70px rgb(185 230 255 / 4%), 0 0 0 140px rgb(185 230 255 / 3%);
  pointer-events: none;
}
.contact-actions .white { box-shadow: 0 8px 25px rgb(0 31 73 / 15%), inset 0 1px 0 #fff; }
.contact-rail { box-shadow: 0 10px 30px rgb(14 73 129 / 14%); }
dialog { box-shadow: 0 25px 90px rgb(0 28 58 / 22%); }

@media (prefers-reduced-motion: no-preference) {
  .hero::after { animation: ambient-light 18s ease-in-out infinite alternate; }
  @keyframes ambient-light {
    from { transform: translate3d(0, 0, 0); }
    to { transform: translate3d(-35px, 28px, 0); }
  }
}
.motion-paused .hero::after { animation: none !important; }
.is-hidden .hero::after, .hero.visual-offscreen::after { animation-play-state: paused; }

@media (max-width: 600px) {
  .hero::before { background-size: 46px 46px; opacity: .65; }
  .hero::after { width: 610px; height: 750px; top: 260px; right: -175px; }
  .answer-scene::before { inset: 10% -4% 0; }
  .answer-scene::after { width: 440px; height: 500px; top: 0; left: calc(50% - 220px); opacity: .6; }
  .answer-sheet { box-shadow: 0 16px 40px rgb(0 10 31 / 24%), 0 0 26px rgb(36 163 255 / 10%); }
  .service-panel, .evidence-table { box-shadow: 0 10px 30px rgb(30 97 151 / 7%), inset 0 1px 0 #fff; }
  .service-visual::before { width: 175px; height: 175px; left: -25px; top: -17px; transform: none; }
  .industry-panel::before { inset: auto; bottom: -6px; left: 50%; width: 240px; height: 220px; transform: translateX(-50%); }
  .contact-section::before { right: -330px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero::after { animation: none !important; }
}