/* Sophia Space — sph-main.css
   Palette: #05090F (void) / #0A1628 (navy) / #0E1D35 (mid) / #1D8EFF (electric)
   Typography: Space Grotesk + IBM Plex Mono
*/

/* ==================== RESET & ROOT ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

:root {
  --sph-void:        #05090F;
  --sph-navy:        #0A1628;
  --sph-mid:         #0E1D35;
  --sph-electric:    #1D8EFF;
  --sph-electric-aa: #0060CC;
  --sph-border-dark: #1A2D4A;
  --sph-border-light:#D8E2EF;
  --sph-fg-d1:       #E8EEF7;
  --sph-fg-d2:       #8A9BB8;
  --sph-fg-d3:       #5C6E8A;
  --sph-fg-l1:       #0A1628;
  --sph-fg-l2:       #445066;
  --sph-bg-light:    #F4F7FC;
  --sph-bg-white:    #FFFFFF;
  --sph-max-w:       1200px;
  --sph-nav-h:       72px;
}

body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  background: var(--sph-void);
  color: var(--sph-fg-d1);
  -webkit-font-smoothing: antialiased;
}

body.sph-page--light-top {
  background: var(--sph-bg-white);
  color: var(--sph-fg-l1);
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; }

/* ==================== TYPOGRAPHY ==================== */
.sph-mono {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

/* Dark context headings */
.sph-section--dark h1,
.sph-section--dark h2,
.sph-section--dark h3,
.sph-section--dark h4,
.sph-section--void h1,
.sph-section--void h2,
.sph-section--void h3,
.sph-section--mid h1,
.sph-section--mid h2,
.sph-section--mid h3,
.sph-hero--dark h1,
.sph-hero--dark h2 {
  color: var(--sph-fg-d1);
}

/* Light context headings */
.sph-section--light h1,
.sph-section--light h2,
.sph-section--light h3,
.sph-section--white h1,
.sph-section--white h2,
.sph-section--white h3 {
  color: var(--sph-fg-l1);
}

/* ==================== LAYOUT CONTAINERS ==================== */
.sph-container {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
}

.sph-section { padding: 80px 0; }
.sph-section--sm { padding: 48px 0; }
.sph-section--lg { padding: 120px 0; }

/* Section background contexts */
.sph-section--void  { background: var(--sph-void);  }
.sph-section--dark  { background: var(--sph-navy);  }
.sph-section--mid   { background: var(--sph-mid);   }
.sph-section--light { background: var(--sph-bg-light); }
.sph-section--white { background: var(--sph-bg-white); }

/* ==================== NAV ==================== */
.sph-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--sph-nav-h);
  z-index: 100;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

/* Dark-top pages: transparent at top */
body.sph-page--dark-top .sph-nav {
  background: transparent;
}
body.sph-page--dark-top .sph-nav--scrolled {
  background: var(--sph-navy);
  box-shadow: 0 1px 0 var(--sph-border-dark);
}

/* Light-top pages: always solid navy */
body.sph-page--light-top .sph-nav {
  background: var(--sph-navy);
  box-shadow: 0 1px 0 var(--sph-border-dark);
}

.sph-nav__inner {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}

.sph-nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}
.sph-nav__logo img {
  height: 32px;
  width: auto;
  max-width: 180px;
}

.sph-nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
}

.sph-nav__link {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(232, 238, 247, 0.8);
  transition: color 0.15s;
  white-space: nowrap;
}
.sph-nav__link:hover { color: #E8EEF7; }

.sph-nav__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.sph-nav__portal {
  font-size: 13px;
  font-weight: 500;
  color: var(--sph-fg-d2);
  transition: color 0.15s;
}
.sph-nav__portal:hover { color: var(--sph-fg-d1); }

/* ==================== BUTTONS ==================== */
.sph-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 10px 22px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1.5px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.sph-btn--primary {
  background: var(--sph-electric);
  color: #FFFFFF;
  border-color: var(--sph-electric);
}
.sph-btn--primary:hover {
  background: #3DA0FF;
  border-color: #3DA0FF;
  color: #FFFFFF;
}

.sph-btn--outline-dark {
  background: transparent;
  color: var(--sph-fg-d1);
  border-color: var(--sph-border-dark);
}
.sph-btn--outline-dark:hover {
  border-color: var(--sph-electric);
  color: var(--sph-electric);
}

.sph-btn--outline-light {
  background: transparent;
  color: var(--sph-fg-l1);
  border-color: var(--sph-border-light);
}
.sph-btn--outline-light:hover {
  border-color: var(--sph-electric-aa);
  color: var(--sph-electric-aa);
}

.sph-btn--ghost-dark {
  background: transparent;
  border: none;
  color: var(--sph-electric);
  padding-left: 0; padding-right: 0;
  font-size: 14px;
}
.sph-btn--ghost-dark:hover { color: #3DA0FF; }

.sph-btn--sm {
  font-size: 13px;
  padding: 8px 18px;
}
.sph-btn--lg {
  font-size: 15px;
  padding: 13px 28px;
}

/* Nav CTA button */
.sph-nav .sph-btn--primary {
  font-size: 13px;
  padding: 8px 18px;
}

/* ==================== HAMBURGER (MOBILE) ==================== */
.sph-nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}
.sph-nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--sph-fg-d1);
  transition: all 0.2s;
}

.sph-nav__mobile {
  display: none;
  position: fixed;
  top: var(--sph-nav-h);
  left: 0; right: 0;
  background: var(--sph-navy);
  border-top: 1px solid var(--sph-border-dark);
  padding: 24px clamp(24px, 5vw, 64px);
  z-index: 99;
}
.sph-nav__mobile.is-open { display: block; }
.sph-nav__mobile-links { display: flex; flex-direction: column; gap: 20px; }
.sph-nav__mobile-links a {
  font-size: 16px;
  font-weight: 500;
  color: var(--sph-fg-d1);
  padding: 4px 0;
}
.sph-nav__mobile-actions {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--sph-border-dark);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ==================== EYEBROW ==================== */
.sph-eyebrow {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* Dark context eyebrow */
.sph-section--void .sph-eyebrow,
.sph-section--dark .sph-eyebrow,
.sph-section--mid .sph-eyebrow,
.sph-hero--dark .sph-eyebrow {
  color: var(--sph-electric);
}

/* Light context eyebrow */
.sph-section--light .sph-eyebrow,
.sph-section--white .sph-eyebrow {
  color: var(--sph-electric-aa);
}

/* ==================== HERO — INDEX ==================== */
.sph-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--sph-void);
  position: relative;
  overflow: hidden;
  padding-top: var(--sph-nav-h);
}

.sph-hero__inner {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 60px clamp(24px, 5vw, 64px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  width: 100%;
}

.sph-hero__headline {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  color: var(--sph-fg-d1);
  line-height: 1.1;
  margin-bottom: 20px;
}
.sph-hero__headline .sph-accent { color: var(--sph-electric); }

.sph-hero__sub {
  font-size: 18px;
  color: var(--sph-fg-d2);
  line-height: 1.65;
  max-width: 460px;
  margin-bottom: 36px;
}

.sph-hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.sph-hero__stat-bar {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--sph-border-dark);
}
.sph-hero__stat { }
.sph-hero__stat-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 28px;
  font-weight: 500;
  color: var(--sph-fg-d1);
  line-height: 1;
}
.sph-hero__stat-label {
  font-size: 12px;
  color: var(--sph-fg-d3);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sph-hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==================== SUB-PAGE HERO ==================== */
.sph-subhero {
  background: var(--sph-void);
  padding-top: calc(var(--sph-nav-h) + 60px);
  padding-bottom: 60px;
}

.sph-subhero__inner {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
}

.sph-subhero--split .sph-subhero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.sph-subhero__headline {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  color: var(--sph-fg-d1);
  line-height: 1.15;
  margin-bottom: 16px;
}

.sph-subhero__sub {
  font-size: 17px;
  color: var(--sph-fg-d2);
  line-height: 1.6;
  max-width: 520px;
}

/* Light-top subhero */
.sph-subhero--light {
  background: var(--sph-bg-light);
  color: var(--sph-fg-l1);
}
.sph-subhero--light .sph-subhero__headline { color: var(--sph-fg-l1); }
.sph-subhero--light .sph-subhero__sub { color: var(--sph-fg-l2); }

/* Specs hero — light-top */
body.sph-page--light-top .sph-subhero {
  background: var(--sph-bg-light);
}
body.sph-page--light-top .sph-subhero__headline { color: var(--sph-fg-l1); }
body.sph-page--light-top .sph-subhero__sub { color: var(--sph-fg-l2); }

/* ==================== PROBLEM STRIP ==================== */
.sph-problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--sph-border-dark);
}

.sph-problem__card {
  padding: 48px 40px;
  border-right: 1px solid var(--sph-border-dark);
}
.sph-problem__card:last-child { border-right: none; }

.sph-problem__num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 40px;
  font-weight: 500;
  color: var(--sph-electric);
  line-height: 1;
  margin-bottom: 12px;
}

.sph-problem__label {
  font-size: 12px;
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sph-fg-d3);
  margin-bottom: 20px;
}

.sph-problem__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--sph-fg-d1);
  margin-bottom: 12px;
}

.sph-problem__body {
  font-size: 14px;
  color: var(--sph-fg-d2);
  line-height: 1.65;
}

/* ==================== SOLUTION / PRODUCT INTRO ==================== */
.sph-solution__inner {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.sph-solution__img {
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--sph-border-dark);
}
.sph-solution__img img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 3/2;
}

.sph-solution__title {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  color: var(--sph-fg-d1);
  margin-bottom: 16px;
}

.sph-solution__body {
  font-size: 16px;
  color: var(--sph-fg-d2);
  margin-bottom: 28px;
  line-height: 1.7;
}

.sph-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

.sph-feature-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--sph-fg-d2);
}

.sph-feature-list .sph-feature-icon {
  color: var(--sph-electric);
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 4px;
}

/* Light section feature list */
.sph-section--light .sph-feature-list li { color: var(--sph-fg-l2); }
.sph-section--white .sph-feature-list li { color: var(--sph-fg-l2); }

/* ==================== HOW IT WORKS ==================== */
.sph-steps__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.sph-step {
  padding: 40px;
  border: 1px solid var(--sph-border-dark);
  position: relative;
}

.sph-step__num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 48px;
  font-weight: 500;
  color: var(--sph-border-dark);
  line-height: 1;
  margin-bottom: 24px;
}

.sph-step__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--sph-fg-d1);
  margin-bottom: 12px;
}

.sph-step__body {
  font-size: 14px;
  color: var(--sph-fg-d2);
  line-height: 1.65;
}

/* ==================== USE CASE CARDS ==================== */
.sph-uc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.sph-uc-card {
  border: 1px solid var(--sph-border-light);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.2s;
  text-decoration: none;
  display: block;
}
.sph-uc-card:hover { border-color: var(--sph-electric); }

.sph-uc-card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--sph-mid);
}

.sph-uc-card__body { padding: 28px; }

.sph-section--light .sph-uc-card__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--sph-fg-l1);
  margin-bottom: 10px;
}

.sph-section--dark .sph-uc-card__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--sph-fg-d1);
  margin-bottom: 10px;
}

.sph-section--light .sph-uc-card__excerpt {
  font-size: 14px;
  color: var(--sph-fg-l2);
  line-height: 1.6;
}

.sph-section--dark .sph-uc-card__body { background: var(--sph-navy); }
.sph-section--dark .sph-uc-card { border-color: var(--sph-border-dark); }

/* ==================== TEAM SIGNAL ==================== */
.sph-team-signal__inner {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.sph-team-signal__title {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  color: var(--sph-fg-d1);
  margin-bottom: 16px;
}

.sph-team-signal__body {
  font-size: 16px;
  color: var(--sph-fg-d2);
  line-height: 1.7;
  margin-bottom: 28px;
}

.sph-portraits {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.sph-portrait {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--sph-border-dark);
  flex-shrink: 0;
}
.sph-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==================== CTA BAND ==================== */
.sph-cta-band {
  background: var(--sph-void);
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}

.sph-cta-band__inner {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  position: relative;
  z-index: 2;
}

.sph-cta-band__text { max-width: 580px; }

.sph-cta-band__headline {
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 700;
  color: var(--sph-fg-d1);
  margin-bottom: 12px;
}

.sph-cta-band__sub {
  font-size: 16px;
  color: var(--sph-fg-d2);
}

.sph-cta-band__actions {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
  flex-wrap: wrap;
  align-items: center;
}

.sph-cta-band__arc {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 40%;
  z-index: 1;
  opacity: 0.3;
  pointer-events: none;
}

/* ==================== SECTION TITLES ==================== */
.sph-section-head {
  text-align: center;
  margin-bottom: 56px;
}

.sph-section-head__title {
  font-size: clamp(24px, 3.5vw, 42px);
  font-weight: 700;
  margin-bottom: 16px;
}

.sph-section-head__sub {
  font-size: 17px;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.65;
}

.sph-section--void .sph-section-head__title,
.sph-section--dark .sph-section-head__title,
.sph-section--mid .sph-section-head__title { color: var(--sph-fg-d1); }
.sph-section--void .sph-section-head__sub,
.sph-section--dark .sph-section-head__sub,
.sph-section--mid .sph-section-head__sub { color: var(--sph-fg-d2); }

.sph-section--light .sph-section-head__title,
.sph-section--white .sph-section-head__title { color: var(--sph-fg-l1); }
.sph-section--light .sph-section-head__sub,
.sph-section--white .sph-section-head__sub { color: var(--sph-fg-l2); }

/* ==================== FEATURE GRID ==================== */
.sph-feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--sph-border-dark);
  border: 1px solid var(--sph-border-dark);
}

.sph-feat-card {
  background: var(--sph-navy);
  padding: 40px 36px;
}

.sph-feat-card__icon {
  font-size: 24px;
  color: var(--sph-electric);
  margin-bottom: 20px;
}

.sph-feat-card__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--sph-fg-d1);
  margin-bottom: 10px;
}

.sph-feat-card__body {
  font-size: 14px;
  color: var(--sph-fg-d2);
  line-height: 1.65;
}

/* ==================== TECHNOLOGY PAGE ==================== */
.sph-tech-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.sph-spec-block {
  padding: 32px;
  border: 1px solid var(--sph-border-dark);
}

.sph-spec-block__label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sph-fg-d3);
  margin-bottom: 8px;
}

.sph-spec-block__value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 32px;
  font-weight: 500;
  color: var(--sph-fg-d1);
  line-height: 1.1;
}

.sph-spec-block__desc {
  font-size: 14px;
  color: var(--sph-fg-d2);
  margin-top: 8px;
}

/* ==================== SPECS PAGE ==================== */
.sph-specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 48px;
}

.sph-specs-table caption {
  text-align: left;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sph-electric-aa);
  padding-bottom: 12px;
}

.sph-specs-table th,
.sph-specs-table td {
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--sph-border-light);
  font-size: 14px;
}

.sph-specs-table th {
  font-weight: 600;
  color: var(--sph-fg-l1);
  background: var(--sph-bg-light);
  font-size: 13px;
}

.sph-specs-table td { color: var(--sph-fg-l2); }
.sph-specs-table td:first-child { color: var(--sph-fg-l1); font-weight: 500; }
.sph-specs-table td.sph-mono { color: var(--sph-navy); }

/* ==================== TEAM GRID ==================== */
.sph-team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.sph-team-card {
  text-align: center;
}

.sph-team-card__photo {
  width: 100%;
  aspect-ratio: 1/1;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 20px;
  background: var(--sph-bg-light);
  border: 1px solid var(--sph-border-light);
}
.sph-team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sph-team-card__name {
  font-size: 17px;
  font-weight: 600;
  color: var(--sph-fg-l1);
  margin-bottom: 4px;
}

.sph-team-card__title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--sph-electric-aa);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.sph-team-card__bio {
  font-size: 14px;
  color: var(--sph-fg-l2);
  line-height: 1.6;
}

/* ==================== BLOG ==================== */
.sph-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.sph-blog-card {
  background: var(--sph-bg-white);
  border: 1px solid var(--sph-border-light);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.2s;
  text-decoration: none;
  display: block;
}
.sph-blog-card:hover { border-color: var(--sph-electric); }

.sph-blog-card__img-wrap {
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--sph-bg-light);
}

.sph-blog-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  aspect-ratio: 16/9;
}

.sph-blog-card__body { padding: 24px; }

.sph-blog-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.sph-blog-tag {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 2px;
  background: var(--sph-bg-light);
  color: var(--sph-electric-aa);
  border: 1px solid var(--sph-border-light);
}

.sph-blog-card__date {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--sph-fg-l2);
}

.sph-blog-card__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--sph-fg-l1);
  margin-bottom: 10px;
  line-height: 1.4;
}

.sph-blog-card__excerpt {
  font-size: 14px;
  color: var(--sph-fg-l2);
  line-height: 1.6;
}

/* ==================== BLOG ARTICLE ==================== */
.sph-article-hero {
  background: var(--sph-bg-light);
  padding-top: calc(var(--sph-nav-h) + 48px);
  padding-bottom: 0;
}

.sph-article-hero__inner {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
}

.sph-article-hero__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.sph-article-hero__title {
  font-size: clamp(26px, 4vw, 48px);
  font-weight: 700;
  color: var(--sph-fg-l1);
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 760px;
}

.sph-article-hero__excerpt {
  font-size: 18px;
  color: var(--sph-fg-l2);
  max-width: 680px;
  line-height: 1.6;
  margin-bottom: 36px;
}

.sph-article-hero__byline {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid var(--sph-border-light);
  border-bottom: 1px solid var(--sph-border-light);
}

.sph-article-hero__author {
  font-size: 14px;
  font-weight: 600;
  color: var(--sph-fg-l1);
}

.sph-article-hero__author-date {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--sph-fg-l2);
}

/* Article cover */
.sph-blog-article__cover-wrap {
  max-width: var(--sph-max-w);
  margin: 40px auto 0;
  padding: 0 clamp(24px, 5vw, 64px);
}

.sph-blog-article__cover {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  border: 1px solid var(--sph-border-light);
}

/* Article body */
.sph-blog-article__layout {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 64px clamp(24px, 5vw, 64px);
  display: grid;
  grid-template-columns: 680px auto;
  gap: 80px;
  align-items: start;
}

.sph-blog-article__body {
  max-width: 680px;
}

body.sph-page--light-top .sph-blog-article__body h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--sph-fg-l1);
  margin: 36px 0 14px;
  line-height: 1.3;
}
body.sph-page--light-top .sph-blog-article__body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--sph-fg-l1);
  margin: 28px 0 10px;
}
body.sph-page--light-top .sph-blog-article__body p {
  font-size: 16px;
  color: var(--sph-fg-l2);
  line-height: 1.75;
  margin-bottom: 20px;
}
body.sph-page--light-top .sph-blog-article__body a {
  color: var(--sph-electric-aa);
  text-decoration: underline;
}
body.sph-page--light-top .sph-blog-article__body ul,
body.sph-page--light-top .sph-blog-article__body ol {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 20px;
  color: var(--sph-fg-l2);
  font-size: 16px;
  line-height: 1.75;
}
body.sph-page--light-top .sph-blog-article__body code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  background: var(--sph-bg-light);
  padding: 2px 6px;
  border-radius: 2px;
  color: var(--sph-navy);
}

.sph-blog-article__sidebar { padding-top: 8px; }

.sph-sidebar-block {
  margin-bottom: 40px;
}
.sph-sidebar-block__label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sph-fg-l2);
  margin-bottom: 12px;
}
.sph-sidebar-block__link {
  display: block;
  font-size: 14px;
  color: var(--sph-fg-l1);
  padding: 8px 0;
  border-bottom: 1px solid var(--sph-border-light);
  transition: color 0.15s;
  line-height: 1.4;
}
.sph-sidebar-block__link:hover { color: var(--sph-electric-aa); }

/* Related articles */
.sph-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ==================== CONTACT ==================== */
.sph-contact__inner {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: start;
}

.sph-contact-form-panel {
  background: var(--sph-navy);
  border: 1px solid var(--sph-border-dark);
  padding: 48px;
}

.sph-contact-info-panel {
  padding: 8px 0;
}

.sph-form-group {
  margin-bottom: 20px;
}

.sph-form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--sph-fg-d2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.sph-form-input,
.sph-form-textarea,
.sph-form-select {
  width: 100%;
  background: var(--sph-mid);
  border: 1px solid var(--sph-border-dark);
  color: var(--sph-fg-d1);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 15px;
  padding: 12px 16px;
  border-radius: 3px;
  transition: border-color 0.15s;
  appearance: none;
}
.sph-form-input:focus,
.sph-form-textarea:focus,
.sph-form-select:focus {
  outline: none;
  border-color: var(--sph-electric);
}
.sph-form-input::placeholder,
.sph-form-textarea::placeholder { color: var(--sph-fg-d3); }

.sph-form-textarea { min-height: 120px; resize: vertical; }

.sph-form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A9BB8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
  color-scheme: dark;
}
.sph-form-select option {
  background: var(--sph-mid);
  color: var(--sph-fg-d1);
}

.sph-form-check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 8px;
}
.sph-form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  accent-color: var(--sph-electric);
}
.sph-form-check label {
  font-size: 14px;
  color: var(--sph-fg-d2);
  line-height: 1.5;
}

/* Contact info panel */
.sph-contact-portrait {
  width: 100%;
  max-width: 200px;
  aspect-ratio: 1/1;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 24px;
  border: 1px solid var(--sph-border-dark);
  background: var(--sph-mid);
}
.sph-contact-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sph-contact-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--sph-fg-d1);
  margin-bottom: 4px;
}

.sph-contact-role {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--sph-electric);
  margin-bottom: 24px;
  letter-spacing: 0.06em;
}

.sph-contact-detail {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--sph-border-dark);
}
.sph-contact-detail:last-child { border-bottom: none; }

.sph-contact-detail__icon {
  color: var(--sph-electric);
  font-size: 14px;
  width: 20px;
  flex-shrink: 0;
}

.sph-contact-detail__text {
  font-size: 14px;
  color: var(--sph-fg-d2);
}
.sph-contact-detail__text a {
  color: var(--sph-electric);
}
.sph-contact-detail__text a:hover { text-decoration: underline; }

/* ==================== AUTH PAGES ==================== */
.sph-auth-page {
  min-height: 100vh;
  background: var(--sph-void);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.sph-auth-brand {
  background: var(--sph-void);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(32px, 8vw, 80px);
  position: relative;
  overflow: hidden;
}

.sph-auth-brand__logo {
  margin-bottom: 40px;
}
.sph-auth-brand__logo img {
  height: 36px;
  width: auto;
}

.sph-auth-brand__tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sph-electric);
  margin-bottom: 16px;
}

.sph-auth-brand__title {
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 700;
  color: var(--sph-fg-d1);
  line-height: 1.2;
  margin-bottom: 16px;
}

.sph-auth-brand__body {
  font-size: 15px;
  color: var(--sph-fg-d2);
  line-height: 1.65;
  max-width: 340px;
}

.sph-auth-brand__visual {
  position: absolute;
  bottom: 0; right: 0;
  opacity: 0.15;
  pointer-events: none;
}

.sph-auth-form-panel {
  background: var(--sph-navy);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(32px, 8vw, 80px);
  border-left: 1px solid var(--sph-border-dark);
}

.sph-auth-form-panel__title {
  font-size: 24px;
  font-weight: 700;
  color: var(--sph-fg-d1);
  margin-bottom: 8px;
}

.sph-auth-form-panel__sub {
  font-size: 14px;
  color: var(--sph-fg-d2);
  margin-bottom: 36px;
}

.sph-auth-links {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--sph-fg-d3);
}
.sph-auth-links a {
  color: var(--sph-electric);
}
.sph-auth-links a:hover { text-decoration: underline; }

/* ==================== FOOTER ==================== */
.sph-footer {
  background: var(--sph-navy);
  border-top: 1px solid var(--sph-border-dark);
}

.sph-footer__main {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 64px clamp(24px, 5vw, 64px) 48px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.sph-footer__brand { }
.sph-footer__brand-logo img {
  height: 28px;
  width: auto;
  margin-bottom: 16px;
}

.sph-footer__tagline {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--sph-electric);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.sph-footer__desc {
  font-size: 14px;
  color: var(--sph-fg-d3);
  line-height: 1.65;
  max-width: 280px;
}

.sph-footer-col__heading {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sph-fg-d2);
  margin-bottom: 20px;
}

.sph-footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sph-footer-links a {
  font-size: 14px;
  color: var(--sph-fg-d3);
  transition: color 0.15s;
}
.sph-footer-links a:hover { color: var(--sph-fg-d1); }

.sph-footer__bottom {
  border-top: 1px solid var(--sph-border-dark);
  padding: 24px clamp(24px, 5vw, 64px);
  max-width: var(--sph-max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.sph-footer__copy {
  font-size: 13px;
  color: var(--sph-fg-d3);
}

.sph-footer__copy a {
  color: var(--sph-fg-d3);
}
.sph-footer__copy a:hover { color: var(--sph-fg-d2); }

.sph-footer__cookie-pref {
  font-size: 13px;
  color: var(--sph-fg-d3);
  cursor: pointer;
  background: none;
  border: none;
  text-decoration: none;
  transition: color 0.15s;
}
.sph-footer__cookie-pref:hover { color: var(--sph-fg-d2); }

/* ==================== LEGAL PAGES ==================== */
.sph-legal-wrap {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 80px;
  align-items: start;
  padding-top: 64px;
  padding-bottom: 80px;
}

.sph-legal-nav {
  position: sticky;
  top: calc(var(--sph-nav-h) + 24px);
  padding: 24px;
  background: var(--sph-bg-light);
  border: 1px solid var(--sph-border-light);
  border-radius: 4px;
}

.sph-legal-nav__label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sph-fg-l2);
  margin-bottom: 16px;
}

.sph-legal-nav__links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sph-legal-nav__links a {
  font-size: 13px;
  color: var(--sph-fg-l2);
  padding: 6px 8px;
  border-radius: 2px;
  transition: all 0.15s;
}
.sph-legal-nav__links a:hover {
  color: var(--sph-electric-aa);
  background: var(--sph-bg-white);
}

body.sph-page--light-top .sph-legal-content .legal-header h1 {
  font-size: clamp(28px, 4vw, 40px);
  color: var(--sph-fg-l1);
  margin-bottom: 12px;
}
body.sph-page--light-top .sph-legal-content .legal-meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--sph-fg-l2);
  margin-bottom: 4px;
}
body.sph-page--light-top .sph-legal-content section {
  margin-top: 40px;
}
body.sph-page--light-top .sph-legal-content h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--sph-fg-l1);
  margin-bottom: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--sph-border-light);
}
body.sph-page--light-top .sph-legal-content h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--sph-fg-l1);
  margin: 20px 0 8px;
}
body.sph-page--light-top .sph-legal-content p {
  font-size: 15px;
  color: var(--sph-fg-l2);
  line-height: 1.75;
  margin-bottom: 14px;
}
body.sph-page--light-top .sph-legal-content ul,
body.sph-page--light-top .sph-legal-content ol {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 14px;
}
body.sph-page--light-top .sph-legal-content li {
  font-size: 15px;
  color: var(--sph-fg-l2);
  line-height: 1.75;
  margin-bottom: 6px;
}
body.sph-page--light-top .sph-legal-content a {
  color: var(--sph-electric-aa);
  text-decoration: underline;
}
body.sph-page--light-top .sph-legal-content address {
  font-style: normal;
  font-size: 15px;
  color: var(--sph-fg-l2);
  line-height: 1.9;
}
.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 20px;
}
.legal-table th, .legal-table td {
  padding: 10px 14px;
  font-size: 14px;
  border: 1px solid var(--sph-border-light);
  text-align: left;
}
.legal-table th {
  background: var(--sph-bg-light);
  font-weight: 600;
  color: var(--sph-fg-l1);
}
.legal-table td { color: var(--sph-fg-l2); }

/* ==================== MISSION PAGE ==================== */
.sph-mission-hero {
  min-height: 70vh;
  background: var(--sph-void);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-top: var(--sph-nav-h);
}

.sph-mission-hero__img {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.sph-mission-hero__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.sph-mission-hero__inner {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 80px clamp(24px, 5vw, 64px);
  position: relative;
  z-index: 2;
}

.sph-mission-hero__headline {
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 700;
  color: var(--sph-fg-d1);
  line-height: 1.1;
  max-width: 700px;
  margin-bottom: 20px;
}

.sph-mission-hero__sub {
  font-size: 18px;
  color: var(--sph-fg-d2);
  max-width: 520px;
  line-height: 1.65;
}

/* ==================== USE CASE PAGES ==================== */
.sph-usecase-hero {
  background: var(--sph-void);
  padding-top: calc(var(--sph-nav-h) + 60px);
  padding-bottom: 60px;
  position: relative;
  overflow: hidden;
}

.sph-usecase-hero--img {
  min-height: 55vh;
  display: flex;
  align-items: flex-end;
}

.sph-usecase-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.sph-usecase-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.sph-usecase-hero__inner {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 60px clamp(24px, 5vw, 64px);
  position: relative;
  z-index: 2;
}

/* ==================== DIVIDERS ==================== */
.sph-divider {
  height: 1px;
  background: var(--sph-border-dark);
  margin: 0;
}
.sph-divider--light {
  background: var(--sph-border-light);
}

/* ==================== BREADCRUMB ==================== */
.sph-breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--sph-fg-d3);
  margin-bottom: 20px;
}
.sph-breadcrumb a { color: var(--sph-fg-d3); transition: color 0.15s; }
.sph-breadcrumb a:hover { color: var(--sph-electric); }
.sph-breadcrumb__sep { color: var(--sph-fg-d3); }

body.sph-page--light-top .sph-breadcrumb { color: var(--sph-fg-l2); }
body.sph-page--light-top .sph-breadcrumb a { color: var(--sph-fg-l2); }
body.sph-page--light-top .sph-breadcrumb a:hover { color: var(--sph-electric-aa); }

/* ==================== COOKIE BANNER ==================== */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9999;
  background: var(--sph-navy);
  border-top: 1px solid var(--sph-border-dark);
  padding: 16px 0;
}

.cookie-banner__inner {
  max-width: var(--sph-max-w);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
  display: flex;
  align-items: center;
  gap: 24px;
}

.cookie-banner__text {
  font-size: 14px;
  color: var(--sph-fg-d2);
  flex: 1;
  line-height: 1.5;
}
.cookie-banner__text a {
  color: var(--sph-electric);
  text-decoration: underline;
}

.cookie-banner__actions { flex-shrink: 0; }
.cookie-banner__btn--primary {
  background: var(--sph-electric);
  color: #fff;
  border: none;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.15s;
}
.cookie-banner__btn--primary:hover { background: #3DA0FF; }

/* Body padding when banner is visible */
body.cookie-visible { padding-bottom: 72px; }

/* ==================== PRODUCT HERO MONO SPECS ==================== */
.sph-product-hero__specs {
  display: flex;
  gap: 32px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--sph-border-dark);
  flex-wrap: wrap;
}

.sph-product-hero__spec { }
.sph-product-hero__spec-val {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 22px;
  font-weight: 500;
  color: var(--sph-fg-d1);
}
.sph-product-hero__spec-key {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sph-fg-d3);
  margin-top: 4px;
}

/* ==================== ABOUT ==================== */
.sph-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.sph-value-card {
  padding: 36px;
  border: 1px solid var(--sph-border-dark);
}

.sph-value-card__num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 36px;
  color: var(--sph-electric);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 20px;
}

.sph-value-card__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--sph-fg-d1);
  margin-bottom: 10px;
}

.sph-value-card__body {
  font-size: 14px;
  color: var(--sph-fg-d2);
  line-height: 1.65;
}

/* About location (light section) */
.sph-section--light .sph-value-card {
  border-color: var(--sph-border-light);
}
.sph-section--light .sph-value-card__title { color: var(--sph-fg-l1); }
.sph-section--light .sph-value-card__body { color: var(--sph-fg-l2); }

/* ==================== FADE IN ==================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* Failsafe: after 1.5s force visible */
@keyframes sph-reveal {
  to { opacity: 1; transform: none; }
}
.fade-in {
  animation: sph-reveal 0s ease 1.5s forwards;
}

/* ==================== MISSING SELECTORS FIX ==================== */

/* sph-footer-col: footer column wrapper */
.sph-footer-col { }

/* sph-hero__content: hero text column */
.sph-hero__content { }

/* legal-article: legal page article wrapper */
.legal-article { }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .sph-hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .sph-hero__visual { display: none; }
  .sph-problem__grid { grid-template-columns: 1fr; }
  .sph-problem__card { border-right: none; border-bottom: 1px solid var(--sph-border-dark); }
  .sph-problem__card:last-child { border-bottom: none; }
  .sph-solution__inner { grid-template-columns: 1fr; }
  .sph-steps__grid { grid-template-columns: 1fr; }
  .sph-feat-grid { grid-template-columns: repeat(2, 1fr); }
  .sph-uc-grid { grid-template-columns: 1fr; }
  .sph-blog-grid { grid-template-columns: repeat(2, 1fr); }
  .sph-team-grid { grid-template-columns: repeat(2, 1fr); }
  .sph-team-signal__inner { grid-template-columns: 1fr; gap: 40px; }
  .sph-contact__inner { grid-template-columns: 1fr; gap: 48px; }
  .sph-footer__main { grid-template-columns: 1fr 1fr; gap: 40px; }
  .sph-values-grid { grid-template-columns: 1fr; }
  .sph-blog-article__layout { grid-template-columns: 1fr; }
  .sph-blog-article__sidebar { display: none; }
  .sph-cta-band__inner { flex-direction: column; }
  .sph-legal-wrap { grid-template-columns: 1fr; }
  .sph-legal-nav { position: static; }
  .sph-subhero--split .sph-subhero__inner { grid-template-columns: 1fr; }
  .sph-tech-specs { grid-template-columns: 1fr 1fr; }
  .sph-auth-page { grid-template-columns: 1fr; }
  .sph-auth-brand { display: none; }
}

@media (max-width: 768px) {
  .sph-nav__links,
  .sph-nav__actions { display: none; }
  .sph-nav__hamburger { display: flex; }
  .sph-nav__inner { gap: 0; }
  .sph-blog-grid { grid-template-columns: 1fr; }
  .sph-team-grid { grid-template-columns: repeat(2, 1fr); }
  .sph-feat-grid { grid-template-columns: 1fr; }
  .sph-footer__main { grid-template-columns: 1fr; gap: 32px; }
  .sph-tech-specs { grid-template-columns: 1fr; }
  .sph-hero__stat-bar { flex-direction: column; gap: 16px; }
  .sph-product-hero__specs { flex-direction: column; gap: 16px; }
  .sph-related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .sph-team-grid { grid-template-columns: 1fr; }
  .sph-footer__bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
}