/* ========= 全域變數 ========= */
:root {
  --service-diameter-desktop: 232px;
  --service-gap-desktop: 84px;
  --service-diameter-tablet: 204px;
  --service-gap-tablet: 68px;
  --service-diameter-mobile: 180px;
  --service-gap-mobile: 52px;

  --bubble-scale: 0.92;
  --bubble-top-desktop: 150px;
  --bubble-top-tablet: 130px;
  --bubble-top-mobile: 110px;

  --col-inner-desktop: 520px;
  --col-inner-tablet: 480px;
  --col-inner-mobile: 340px;
}

/* ========= Reset / Base ========= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Poppins", "Noto Sans TC", sans-serif;
  background: #292929;
  color: #fff;
  overflow-x: hidden;
}
.section {
  width: 100vw;
  position: relative;
  overflow: hidden;
  padding: 80px 100px;
}
h2 {
  font-size: 2.5em;
  font-weight: 700;
  margin-bottom: 20px;
}
p {
  font-size: 1.1em;
  line-height: 1.8;
  font-weight: 300;
}

/* ========= Header ========= */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 100px;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.6);
}
.logo-nav {
  font-size: 2.5em;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  flex-shrink: 0;
}
.navigation {
  display: flex;
  flex-wrap: nowrap;
  flex-shrink: 1;
  min-width: 0;
}
.navigation a {
  color: #fff;
  text-decoration: none;
  margin-left: 40px;
  font-weight: 400;
  transition: color 0.3s;
  flex-shrink: 0;
  white-space: nowrap;
}
.navigation a:hover {
  color: #f25b2c;
}

/* ========= Home ========= */
#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-left: 10%;
  flex-wrap: nowrap;
  background: linear-gradient(
    -45deg,
    #bf283b,
    #6d3571,
    #253f97,
    #f25b2c,
    #fcccae
  );
  background-size: 400% 400%;
  animation: flowing-gradient 14s ease infinite;
}
@keyframes flowing-gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
.home-logo-img {
  width: 40vw;
  max-width: 550px;
  height: auto;
  position: relative;
  z-index: 2;
  object-fit: contain;
  flex-shrink: 0;
  min-width: 200px;
}
.home-circuit-container {
  position: absolute;
  top: 0;
  right: 0;
  width: 65%;
  height: 100%;
  display: flex;
  align-items: center;
  z-index: 1;
  overflow: hidden;
  flex-shrink: 0;
  min-width: 300px;
}
.circuit-svg {
  display: block;
}
.circuit-svg .line {
  fill: none;
  stroke: rgba(255, 255, 255, 0.4);
  stroke-width: 1;
}
.circuit-svg .dot-hollow {
  fill: none;
  stroke: rgba(255, 255, 255, 0.7);
  stroke-width: 1.2;
}
.spark {
  fill: none;
  stroke: #fff;
  stroke-width: 2;
  stroke-dasharray: 50 3500;
  stroke-linecap: round;
  filter: drop-shadow(0 0 5px #fff);
  animation: move-spark 4.5s linear infinite;
}
.spark-delay-1 {
  animation-duration: 4s;
  animation-delay: -0.5s;
}
.spark-delay-2 {
  animation-duration: 5.5s;
  animation-delay: -1s;
}
.spark-delay-3 {
  animation-duration: 3.8s;
  animation-delay: -1.5s;
}
.spark-delay-4 {
  animation-duration: 5s;
  animation-delay: -2s;
}
@keyframes move-spark {
  from {
    stroke-dashoffset: 3550;
  }
  to {
    stroke-dashoffset: 0;
  }
}

/* ========= About ========= */
#about {
  min-height: 80vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 0;
  min-width: 0;
}
.about-circuit {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
  min-width: 150px;
}
#about .circuit-svg {
  opacity: 0.6;
  width: 100%;
  height: auto;
}
.about-text {
  text-align: center;
  padding: 0 50px;
  min-width: 150px;
}
.about-text p:first-of-type {
  font-weight: 400;
}

/* ========= Service（兩圈） ========= */
#service {
  text-align: center;
}
.service-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--service-gap-desktop);
  flex-wrap: wrap;
}
.service-item {
  width: var(--service-diameter-desktop);
  height: var(--service-diameter-desktop);
  border-radius: 50%;
  background: #8b8b8b;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  border: none;
  outline: none;
  transition: transform 0.2s, box-shadow 0.2s;
}
.service-item:hover {
  transform: scale(1.04);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}
.service-icon {
  width: 40%;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%) contrast(110%);
}
.service-title {
  margin-top: 5px;
  font-weight: 700;
  color: #111;
}

/* ========= Footer ========= */
footer {
  padding: 80px 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
  background: #000;
  min-width: 0;
}
.contact-info {
  text-align: left;
  flex-grow: 1;
  flex-shrink: 1;
  min-width: 120px;
}
.contact-info p {
  line-height: 2.2;
  font-size: 1em;
  white-space: nowrap;
}
.company-name {
  text-align: right;
  flex-shrink: 1;
  min-width: 80px;
}
.company-name p {
  font-size: 1em;
  white-space: nowrap;
}

/* ========= 第一層 Modal ========= */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(0, 0, 0, 0.65);
  justify-content: center;
  align-items: center;
  padding: 24px;
}
.modal-card {
  position: relative;
  background: #111;
  border-radius: 28px;
  max-width: 1100px;
  width: min(92vw, 1100px);
  overflow: hidden;
}
.close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 32px;
  cursor: pointer;
  z-index: 3;
}

.modal-bubbles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.bubble {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.65);
  filter: blur(0.2px);
  width: calc(var(--service-diameter-desktop) * var(--bubble-scale));
  height: calc(var(--service-diameter-desktop) * var(--bubble-scale));
  top: var(--bubble-top-desktop);
}
.bubble-left {
  left: calc(
    50% - (var(--service-gap-desktop) / 2 + var(--service-diameter-desktop))
  );
  transform: translateX(
    calc(
      (
          var(--service-diameter-desktop)- (var(--service-diameter-desktop) *
                var(--bubble-scale))
        ) / 2
    )
  );
}
.bubble-right {
  left: calc(50% + var(--service-gap-desktop) / 2);
  transform: translateX(
    calc(
      (
          var(--service-diameter-desktop)- (var(--service-diameter-desktop) *
                var(--bubble-scale))
        ) / 2
    )
  );
}

/* Panel（桌機） */
.panel {
  position: relative;
  background: #f2f2f2;
  color: #111;
  margin: 60px 40px;
  border-radius: 32px;
  padding: 56px 48px;
  z-index: 1;
}
.panel-wide {
  margin: 60px min(4vw, 40px);
}
.panel-main-title {
  font-size: 28px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  color: #2f2f2f;
}
.panel-sub {
  max-width: 880px;
  margin: 0 auto 22px;
  text-align: center;
  line-height: 1.9;
}
.panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas: "pillL pillR" "left right";
  column-gap: 48px;
  row-gap: 18px;
  align-items: start;
}
.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  background: #d0d0d0;
  color: #111;
  font-weight: 800;
  border: 3px solid rgba(0, 0, 0, 0.22);
  font-size: 16px;
}
.pill.over-left {
  grid-area: pillL;
  justify-self: center;
}
.pill.over-right {
  grid-area: pillR;
  justify-self: center;
}
.panel-left {
  grid-area: left;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.panel-left .dot-list {
  list-style: disc;
  padding-left: 22px;
  max-width: var(--col-inner-desktop);
  width: 100%;
  margin-top: 8px;
  text-align: left;
}
.panel-left .dot-list li {
  margin: 8px 0;
  line-height: 1.9;
}
.panel-right {
  grid-area: right;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cols-3.centered {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  width: 100%;
  max-width: var(--col-inner-desktop);
  text-align: center;
  gap: 24px;
}
.cols-3.centered .col {
  flex: 1 1 0;
  min-width: 0;
}
.cols-3.centered h5 {
  font-weight: 800;
  margin-bottom: 6px;
}
.cols-3.centered p {
  color: #222;
  line-height: 1.9;
}

.fixed-wrap {
  word-break: keep-all;
  line-break: strict;
  hyphens: manual;
  text-wrap: balance;
}

/* 桌機隱藏 mobile-first 卡片 */
.modal-card.mobile-first {
  display: none;
}

/* ========= 第二層 Submodal（用 .is-open 控制顯示） ========= */
.submodal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 4000;
  background: rgba(0, 0, 0, 0.55);
  justify-content: center;
  align-items: center;
  padding: 18px;
}
.submodal.is-open {
  display: flex !important;
}
.submodal-card {
  background: rgba(242, 242, 242, 0.96);
  border-radius: 20px;
  padding: 26px 22px;
  width: min(520px, 92vw);
  max-height: 88vh;
  overflow: auto;
  color: #111;
  text-align: left;
  border: 0;
}
.submodal-card h4 {
  margin: 4px 0 12px;
  font-size: 20px;
  font-weight: 900;
  color: #2f2f2f;
}
.submodal-close {
  display: inline-block;
  margin-bottom: 8px;
  background: transparent;
  border: none;
  color: #333;
  font-size: 16px;
  cursor: pointer;
}

/* ========= 平板 ========= */
@media (max-width: 1024px) {
  .section {
    padding: 60px 50px;
  }
  header {
    padding: 10px 50px;
  }
  .navigation a {
    margin-left: 30px;
  }
  #home {
    padding-left: 5%;
  }
  .home-logo-img {
    width: 40vw;
    max-width: 300px;
  }
  .home-circuit-container {
    width: 55%;
  }
  :root {
    --service-diameter-desktop: var(--service-diameter-tablet);
    --service-gap-desktop: var(--service-gap-tablet);
    --bubble-top-desktop: var(--bubble-top-tablet);
  }
  .panel-left .dot-list {
    max-width: var(--col-inner-tablet);
  }
  .cols-3.centered {
    max-width: var(--col-inner-tablet);
    gap: 22px;
  }
}

/* ========= 手機 ========= */
@media (max-width: 768px) {
  .section {
    padding: 40px 15px;
  }
  header {
    padding: 10px 15px;
  }
  .navigation a {
    margin-left: 15px;
    font-size: 0.9em;
  }

  /* Home 背景化 + logo 放大 */
  .home-circuit-container {
    position: absolute !important;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    width: 100% !important;
    height: 100% !important;
    min-width: 0 !important;
  }
  #home .circuit-svg {
    width: 165% !important;
    height: 165% !important;
    transform: translate(6%, -18%) !important;
    opacity: 0.24 !important;
  }
  .home-logo-img {
    position: relative;
    z-index: 2;
    width: 48vw !important;
    max-width: 340px !important;
    min-width: 160px !important;
  }

  /* About 疊上去，整段往上 */
  #about {
    grid-template-columns: 1fr;
    justify-items: center;
  }
  .about-circuit {
    position: absolute !important;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    width: 100% !important;
    height: 100% !important;
    display: block !important;
  }
  #about .circuit-svg {
    width: 190% !important;
    height: 190% !important;
    transform: translate(-12%, -8%) !important;
    opacity: 0.2 !important;
  }
  .about-text {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center !important;
    transform: translateY(-7.5vh);
  }
  .about-text * {
    text-align: center !important;
  }

  /* Service：標題與圓圈距離再遠 */
  #service.section {
    padding-top: 16px;
  }
  #service .service-container {
    margin-top: 64px;
  }

  :root {
    --service-diameter-desktop: var(--service-diameter-tablet);
    --service-gap-desktop: var(--service-gap-tablet);
    --bubble-top-desktop: var(--bubble-top-tablet);
  }

  /* 手機：只顯示 mobile-first 卡片 */
  .modal .panel {
    display: none !important;
  }
  .modal-card.mobile-first {
    display: block !important;
    background: #f2f2f2;
    border-radius: 24px;
    padding: 28px 20px 24px;
    text-align: center;
    width: 90vw;
    max-width: 520px;
    margin: 0 auto;
  }
  .modal-card.mobile-first .panel-main-title {
    color: #2f2f2f;
  }

  /* 手機膠囊（你說：寬度窄一點、高度高一點） */
  .mobile-pill-options {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 16px;
    align-items: center;
  }
  .mobile-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    line-height: 1.2;
    padding: 16px 18px; /* ↑ 高度更高；左右更窄 */
    width: auto;
    max-width: 80%; /* ↓ 寬度更窄（短一點） */
    background: #d0d0d0;
    color: #111;
    border-radius: 999px;
    border: 0;
    cursor: pointer;
    transition: transform 0.15s;
  }
  .mobile-pill:active {
    transform: scale(0.98);
  }

  /* 第二層卡片：更窄更高（你要的效果） */
  .submodal-card {
    width: 86vw; /* 更窄 */
    max-width: 420px; /* 上限更窄 */
    max-height: 88vh; /* 更高 */
    padding: 28px 20px;
  }
  .submodal-card h4 {
    font-size: 22px;
  }
}

/* ========= 小手機 ========= */
@media (max-width: 480px) {
  .logo-nav {
    font-size: 1.9em;
  }
  #home {
    padding-left: 10px;
    min-height: 400px;
  }
  #home .circuit-svg {
    width: 175% !important;
    height: 175% !important;
    transform: translate(4%, -22%) !important;
    opacity: 0.2 !important;
  }
  .home-logo-img {
    max-width: 360px !important;
  }

  #about .circuit-svg {
    width: 200% !important;
    height: 200% !important;
    transform: translate(-16%, -10%) !important;
  }
  .about-text {
    padding: 0 12px;
    transform: translateY(-9vh);
  }

  :root {
    --service-diameter-desktop: var(--service-diameter-mobile);
    --service-gap-desktop: var(--service-gap-mobile);
    --bubble-top-desktop: var(--bubble-top-mobile);
  }
  #service .service-container {
    margin-top: 72px;
  } /* 再加一點距離 */

  .panel {
    padding: 40px 16px;
  }
  .panel-left .dot-list {
    max-width: var(--col-inner-mobile);
  }
  .cols-3.centered {
    max-width: var(--col-inner-mobile);
    gap: 12px;
  }
  .bubble {
    top: var(--bubble-top-mobile);
  }

  footer {
    padding: 20px 12px;
  }
  .contact-info h2 {
    font-size: 1.4em;
  }
}
/* 手機：只移除「我們的設計策略」與「我們的專利策略」清單的點 */
@media (max-width: 768px) {
  #submodal-tech-strategy ul,
  #submodal-patent-strategy ul {
    list-style: none; /* 拿掉點點 */
    padding-left: 0; /* 清單縮排歸零 */
    margin-left: 0;
  }
  #submodal-tech-strategy li,
  #submodal-patent-strategy li {
    padding-left: 0; /* 保持文字整齊貼齊左側 */
    text-indent: 0;
  }
}