/* ==========================================================================
   又悠數位 YoYou Studio — Services page stylesheet
   Supplements studio.css (never duplicates its tokens or base styles).

   TABLE OF CONTENTS
   01 Shared section helpers
   02 svc-hero
   03 svc-seo  (dark background)
   04 svc-perf (blue gradient background)
   05 svc-ux   (paper background)
   06 svc-cms  (dark background)
   07 svc-ecom (special dark + gradient)
   08 svc-cta  (dark, matches contact section)
   09 svc-card (all variants)
   10 Responsive overrides
   ========================================================================== */

/* 01 Shared section helpers ------------------------------------------------ */
.svc-section {
  position: relative;
  padding-block: clamp(64px, 10vw, 110px);
}

.svc-section .st-container {
  position: relative;
  z-index: 2;
}

.svc-section__head {
  margin-bottom: clamp(36px, 6vw, 60px);
}

.svc-section__eyebrow {
  font-size: clamp(.8rem, 2vw, .95rem);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--st-signal);
  margin-bottom: 16px;
}

.svc-section__title {
  font-size: clamp(2.2rem, 8.6vw, 4.4rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.02em;
  color: var(--st-ink);
}

.svc-section__head--light .svc-section__title,
.svc-seo .svc-section__title,
.svc-perf .svc-section__title,
.svc-cms .svc-section__title,
.svc-ecom .svc-section__title {
  color: var(--st-paper);
}

.svc-ux .svc-section__title {
  color: var(--st-ink);
}

.svc-section__intro {
  margin-top: clamp(20px, 3.5vw, 30px);
  max-width: 36em;
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--st-text-mute-dark);
}

.svc-section__head--light .svc-section__intro,
.svc-seo .svc-section__intro,
.svc-cms .svc-section__intro,
.svc-ecom .svc-section__intro {
  color: var(--st-text-mute-light);
}

.svc-perf .svc-section__intro {
  color: rgba(238, 240, 248, .92);
}

.svc-ux .svc-section__intro {
  color: var(--st-text-mute-dark);
}

/* 02 svc-hero -------------------------------------------------------------- */
.svc-hero {
  position: relative;
  background: var(--st-ink);
  color: var(--st-paper);
  overflow: hidden;
  padding-block: calc(var(--st-header-h) + 52px) clamp(48px, 8vw, 80px);
}

.svc-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Subtle grid pattern */
.svc-hero__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(238, 240, 248, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(238, 240, 248, .05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, black 30%, transparent 80%);
}

.svc-hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .18;
}

.svc-hero__glow--a {
  width: 580px;
  height: 580px;
  background: var(--st-blue);
  right: -8%;
  top: -10%;
}

.svc-hero__glow--b {
  width: 360px;
  height: 360px;
  background: var(--st-signal);
  right: 28%;
  bottom: 5%;
  opacity: .12;
}

.svc-hero__inner {
  position: relative;
  z-index: 2;
}

.svc-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--st-signal);
}

.svc-hero__label::before {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  background: var(--st-signal);
}

.svc-hero__title {
  font-size: clamp(3.6rem, 18vw, 6.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
}

.svc-hero__title .line {
  display: block;
  overflow: hidden;
  padding-bottom: .06em;
}

.svc-hero__title .line > span {
  display: block;
}

.svc-hero__sub {
  margin-top: 18px;
  max-width: 30em;
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--st-text-mute-light);
}

.svc-dash {
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  letter-spacing: -0.04em;
  font-weight: 400;
  display: inline-block;
  vertical-align: middle;
}

/* Anchor navigation inside hero */
.svc-hero__anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 0;
  margin-top: 28px;
  border-top: 1px solid var(--st-line-light);
  padding-top: 20px;
}

.svc-hero__anchor {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px 9px 0;
  margin-right: 20px;
  font-size: .9rem;
  font-weight: 700;
  color: var(--st-text-mute-light);
  transition: color .35s var(--st-ease);
  position: relative;
}

.svc-hero__anchor::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--st-signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s var(--st-ease);
}

.svc-hero__anchor:hover {
  color: var(--st-paper);
}

.svc-hero__anchor:hover::after {
  transform: scaleX(1);
}

.svc-hero__anchor-no {
  font-size: .75rem;
  font-weight: 800;
  color: var(--st-signal);
  letter-spacing: .04em;
}

/* Background wordmark */
.svc-hero__wordmark {
  position: absolute;
  z-index: 1;
  bottom: 0;
  right: 0;
  font-size: clamp(4rem, 18vw, 16rem);
  font-weight: 900;
  line-height: .92;
  letter-spacing: -.03em;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(238, 240, 248, .09);
  pointer-events: none;
  user-select: none;
  will-change: transform;
}

/* Hero entrance (CSS-driven) */
html.js .svc-hero__title .line > span { transform: translateY(108%); }
html.js .svc-hero__fade { opacity: 0; transform: translateY(22px); }
html.js.is-ready .svc-hero__title .line > span {
  transform: none;
  transition: transform 1.1s var(--st-ease);
  transition-delay: calc(.2s + var(--i) * .14s);
}
html.js.is-ready .svc-hero__fade {
  opacity: 1;
  transform: none;
  transition: opacity 1s ease, transform 1s var(--st-ease);
  transition-delay: calc(.65s + var(--i, 0) * .12s);
}

/* 03 svc-seo (dark background) --------------------------------------------- */
.svc-seo {
  background: var(--st-ink);
}

/* 04 svc-perf (blue gradient background) ----------------------------------- */
.svc-perf {
  position: relative;
  background: var(--st-blue-deep);
  color: var(--st-white);
  overflow: hidden;
}

.svc-perf__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.svc-perf__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
}

.svc-perf__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, rgba(8, 20, 53, .82) 0%, rgba(8, 20, 53, 0) 44%),
    linear-gradient(90deg, rgba(8, 20, 53, .92) 0%, rgba(8, 20, 53, .75) 50%, rgba(8, 20, 53, .5) 100%),
    rgba(43, 63, 224, .32);
}

/* 05 svc-ux (paper background) --------------------------------------------- */
.svc-ux {
  background: var(--st-paper);
}

/* 06 svc-cms (dark background) --------------------------------------------- */
.svc-cms {
  background: var(--st-ink-2);
}

/* 07 svc-ecom (special dark + gradient) ------------------------------------- */
.svc-ecom {
  position: relative;
  background: var(--st-ink);
  overflow: hidden;
  padding-block: var(--st-section);
}

.svc-ecom__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 75% 55% at 50% 0%, rgba(58, 82, 255, .15), transparent 70%),
    var(--st-ink);
}

.svc-ecom__glow {
  position: absolute;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: var(--st-signal);
  filter: blur(130px);
  opacity: .06;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
}

.svc-ecom__badge-wrap {
  margin-bottom: 22px;
}

.svc-ecom__badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 100px;
  border: 1.5px solid var(--st-signal);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--st-signal);
}

.svc-ecom__note {
  color: rgba(238, 240, 248, .92) !important;
  font-size: 1.05rem;
  line-height: 1.9;
  max-width: 36em;
}

.svc-ecom__note strong {
  color: var(--st-signal);
  font-weight: 800;
}

/* 08 svc-cta --------------------------------------------------------------- */
.svc-cta {
  position: relative;
  background: var(--st-ink);
  color: var(--st-paper);
  padding-block: clamp(64px, 10vw, 110px) clamp(48px, 8vw, 88px);
  overflow: hidden;
}

.svc-cta__title {
  font-size: clamp(2rem, 11vw, 4.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.03em;
}

.svc-cta__title .line {
  display: block;
  white-space: nowrap;
}

.svc-cta__lead {
  margin-top: 30px;
  max-width: 26em;
  font-size: 1.05rem;
  color: var(--st-text-mute-light);
}

.svc-cta__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 26px;
  margin-top: 40px;
}

/* 09 svc-card -------------------------------------------------------------- */

/* List wrappers */
.svc-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.svc-list--grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 32px);
}

.svc-list--horizontal {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 32px);
}

.svc-list--ecom-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 3vw, 24px);
  margin-top: 8px;
}

/* Base card */
.svc-card {
  position: relative;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 0 20px;
  padding-block: clamp(22px, 3.5vw, 36px);
  padding-inline: clamp(24px, 3vw, 40px) clamp(16px, 2vw, 24px);
  border-top: 1px solid var(--st-line-light);
  transition: border-color .4s var(--st-ease);
}

.svc-card:last-child {
  border-bottom: 1px solid var(--st-line-light);
}

/* Left border accent on hover */
.svc-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--st-signal);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .5s var(--st-ease);
}

@media (hover: hover) {
  .svc-card:hover {
    border-color: rgba(255, 122, 69, .3);
  }

  .svc-card:hover::before {
    transform: scaleY(1);
  }

  .svc-card:hover .svc-card__name {
    transform: translateX(6px);
  }
}

.svc-card__no {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--st-signal);
  padding-top: .2em;
  line-height: 1;
}

.svc-card__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.svc-card__name {
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition: transform .6s var(--st-ease);
}

.svc-card__en {
  font-size: clamp(1.15rem, 3.5vw, 1.55rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--st-paper);
}

.svc-card--paper .svc-card__en {
  color: var(--st-ink);
}

.svc-card--ecom .svc-card__en {
  color: var(--st-paper);
}

.svc-card__zh {
  font-size: 1rem;
  font-weight: 700;
  color: var(--st-text-mute-light);
}

.svc-card--paper .svc-card__zh {
  color: var(--st-text-mute-dark);
}

.svc-card__desc {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--st-text-mute-light);
}

.svc-card--paper .svc-card__desc {
  color: #2c3763;
}

/* Bullet list */
.svc-card__bullets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.svc-card__bullets li {
  position: relative;
  padding: 4px 12px 4px 18px;
  font-size: .82rem;
  font-weight: 700;
  color: rgba(238, 240, 248, .88);
  background: rgba(238, 240, 248, .07);
  border-radius: 4px;
  line-height: 1.5;
}

.svc-card--paper .svc-card__bullets li {
  color: var(--st-ink);
  background: rgba(8, 20, 53, .08);
}

.svc-card__bullets li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: .65em;
  width: 6px;
  height: 6px;
  background: var(--st-signal);
  border-radius: 1px;
}

/* Highlight card variant (SEO AI, DDoS) */
.svc-card--highlight {
  background: rgba(255, 122, 69, .05);
  border-color: rgba(255, 122, 69, .25) !important;
  border-radius: 0 8px 8px 0;
}

/* Badge (獨家 / 企業級) */
.svc-card__badge {
  position: absolute;
  top: clamp(24px, 4vw, 36px);
  right: 0;
  padding: 4px 12px;
  border-radius: 4px 0 0 4px;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: var(--st-signal);
  color: var(--st-ink);
}

.svc-br-mobile {
  display: inline;
}

@media (max-width: 1099.98px) {
  .svc-perf .svc-card--highlight {
    grid-template-columns: 68px 1fr;
    gap: 0 16px;
  }

  .svc-perf .svc-card__badge {
    top: calc(clamp(22px, 3.5vw, 36px) + 28px);
    left: clamp(24px, 3vw, 40px);
    right: auto;
    padding: 3px 6px;
    border-radius: 4px;
    font-size: .68rem;
    line-height: 1.25;
    letter-spacing: .02em;
    white-space: nowrap;
  }
}

/* Dark card variant */
.svc-card--dark {
  /* inherits base, stays on dark bg */
}

/* Paper card variant (UX section) */
.svc-card--paper {
  border-color: var(--st-line-dark);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--st-line-dark);
  border-radius: 8px;
  background: var(--st-white);
  grid-template-columns: 44px 1fr;
}

.svc-card--paper:last-child {
  border-bottom: 1px solid var(--st-line-dark);
}

.svc-card--paper::before {
  border-radius: 8px 0 0 8px;
}

/* CMS card variant */
.svc-card--cms {
  background: rgba(238, 240, 248, .04);
  border-color: var(--st-line-light);
  border-radius: 8px;
  padding: clamp(28px, 5vw, 44px);
  border: 1px solid var(--st-line-light);
}

.svc-card--cms:last-child {
  border-bottom: 1px solid var(--st-line-light);
}

.svc-card--cms::before {
  border-radius: 8px 0 0 8px;
}

/* Ecom card variant */
.svc-card--ecom {
  background: rgba(238, 240, 248, .04);
  border: 1px solid var(--st-line-light);
  border-radius: 10px;
  padding: clamp(22px, 4vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background .4s var(--st-ease), border-color .4s var(--st-ease);
}

.svc-card--ecom:first-child,
.svc-card--ecom:last-child {
  border: 1px solid var(--st-line-light);
}

@media (hover: hover) {
  .svc-card--ecom:hover {
    background: rgba(58, 82, 255, .08);
    border-color: rgba(58, 82, 255, .35);
  }
}

.svc-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--st-signal);
  flex-shrink: 0;
}

.svc-card__icon svg {
  width: 100%;
  height: 100%;
}

.svc-card--ecom .svc-card__no {
  display: none;
}

.svc-card--ecom .svc-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  grid-column: unset;
}

.svc-card--ecom .svc-card__zh {
  color: rgba(238, 240, 248, .6);
}

.svc-card--ecom .svc-card__bullets li {
  color: rgba(238, 240, 248, .82);
  background: rgba(238, 240, 248, .06);
}

/* 10 Responsive overrides -------------------------------------------------- */
@media (min-width: 768px) {
  .svc-list--grid {
    grid-template-columns: 1fr 1fr;
  }

  .svc-list--horizontal {
    grid-template-columns: 1fr 1fr;
  }

  .svc-list--ecom-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1100px) {
  .svc-hero {
    padding-block: calc(var(--st-header-h) + 56px) clamp(60px, 8vw, 96px);
  }

  .svc-hero__title {
    font-size: clamp(6rem, 11.5vw, 13rem);
  }

  .svc-hero__wordmark {
    font-size: clamp(7rem, 18vw, 18rem);
    -webkit-text-stroke-width: 2px;
  }

  .svc-hero__sub {
    font-size: 1.1rem;
  }

  .svc-hero__anchors {
    margin-top: 36px;
    gap: 0;
  }

  .svc-hero__anchor {
    font-size: .95rem;
  }

  .svc-section__title {
    font-size: clamp(3.2rem, 6vw, 5rem);
  }

  .svc-br-mobile {
    display: none;
  }

  /* Card layout: wider no column on desktop */
  .svc-card {
    grid-template-columns: 72px 1fr;
    gap: 0 2.4vw;
    padding-block: clamp(28px, 4vh, 44px);
    padding-inline: clamp(28px, 3.2vw, 48px) clamp(20px, 2.4vw, 36px);
  }

  .svc-card__no {
    padding-top: .5em;
    font-size: 1.1rem;
  }

  .svc-card__en {
    font-size: clamp(1.4rem, 2.4vw, 2rem);
  }

  .svc-card--paper {
    grid-template-columns: 60px 1fr;
    padding: clamp(28px, 3vw, 44px);
  }

  .svc-card--cms {
    grid-template-columns: 60px 1fr;
    padding: clamp(28px, 3vw, 44px);
  }

  .svc-card--ecom {
    grid-template-columns: 48px 1fr;
    gap: 0 20px;
    padding: clamp(24px, 2.5vw, 40px);
  }

  .svc-list--ecom-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .svc-list--horizontal {
    grid-template-columns: 1fr 1fr;
    gap: clamp(24px, 4vw, 44px);
  }

  .svc-list--grid {
    grid-template-columns: 1fr 1fr;
    gap: clamp(24px, 4vw, 40px);
  }

  /* CTA section */
  .svc-cta__title {
    font-size: clamp(6rem, 12.6vw, 15rem);
  }

  .svc-cta__bottom {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    column-gap: 6vw;
    margin-top: 5vh;
  }

  .svc-cta__lead {
    margin-top: 0;
  }

  .svc-cta__actions {
    margin-top: 0;
    flex-direction: row;
    align-items: flex-end;
    gap: 48px;
  }
}