/* ==========================================================================
   SOLO TECH — SOLO TECH 2 EDITION (samsung-style.css)
   Inspired by Samsung Developer (developer.samsung.com)
   Design System: Samsung One UI / Samsung Developer V2
   ========================================================================== */

:root {
  /* Samsung Color Palette */
  --s-black: #000000;
  --s-dark-hero: #050811;
  --s-dark-surface: #0e1322;
  --s-white: #ffffff;
  --s-offwhite: #f8f8fa;
  --s-card-bg: #ffffff;
  --s-text-primary: #000000;
  --s-text-secondary: #363636;
  --s-text-muted: #767676;
  --s-text-light: #ffffff;
  --s-text-light-muted: #94a3b8;

  /* Samsung Blues & Accents */
  --s-blue-primary: #0c66e4;
  --s-blue-deep: #002f6c;
  --s-blue-royal: #1428a0;
  --s-blue-vibrant: #2189ff;
  --s-blue-light: #e8f2ff;
  --s-blue-border: #c8e0ff;
  --s-blue-glow: rgba(12, 102, 228, 0.25);

  /* Lines & Borders */
  --s-border-light: #e5e7eb;
  --s-border-subtle: rgba(0, 0, 0, 0.08);
  --s-border-dark: rgba(255, 255, 255, 0.12);

  /* One UI Radii */
  --s-radius-pill: 999px;
  --s-radius-card: 20px;
  --s-radius-card-sm: 14px;
  --s-radius-input: 12px;

  /* Typography */
  --s-font-head: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --s-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --s-font-logo: 'Orbitron', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Shadows */
  --s-shadow-card: 0 4px 20px rgba(0, 0, 0, 0.04);
  --s-shadow-hover: 0 16px 36px -8px rgba(12, 102, 228, 0.14), 0 4px 12px rgba(0, 0, 0, 0.04);
  --s-shadow-hero-btn: 0 4px 16px rgba(255, 255, 255, 0.2);
}

/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--s-font-body);
  background-color: var(--s-white);
  color: var(--s-text-secondary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

img,
svg {
  display: block;
  max-width: 100%;
}

ul {
  list-style: none;
}

.s-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== DESIGN SWITCHER BANNER ===== */
.design-banner {
  background: #0f172a;
  color: #f8fafc;
  padding: 8px 16px;
  font-size: 13px;
  font-family: var(--s-font-head);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 101;
}

.design-banner span {
  opacity: 0.85;
}

.design-banner-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.15);
  padding: 3px 12px;
  border-radius: var(--s-radius-pill);
  color: #ffffff;
  font-weight: 600;
  transition: background 0.2s;
}

.design-banner-link:hover {
  background: var(--s-blue-primary);
}

/* ===== SAMSUNG GNB HEADER ===== */
.s-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--s-border-subtle);
  transition: background 0.3s, box-shadow 0.3s;
}

.s-nav {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.s-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--s-font-head);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -0.02em;
  color: var(--s-text-primary);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.s-logo:hover {
  opacity: 0.9;
}

.s-logo-icon {
  height: 38px;
  width: auto;
  max-width: 68px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(12, 102, 228, 0.25));
}

.s-logo-img {
  height: 27px;
  width: auto;
  max-width: 250px;
  object-fit: contain;
  display: block;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.s-logo-img:hover {
  opacity: 0.88;
}

.brand-solo {
  color: var(--s-blue-primary);
  font-weight: 800;
}

.brand-tech {
  color: #000000;
  font-weight: 800;
}

.s-inline-logo {
  height: 15px;
  width: auto;
  vertical-align: -2px;
  display: inline-block;
  object-fit: contain;
}

.s-eyebrow-logo {
  height: 13px;
  width: auto;
  vertical-align: -1px;
  display: inline-block;
  margin-left: 4px;
  object-fit: contain;
}

.s-loc-logo {
  height: 22px;
  width: auto;
  max-width: 190px;
  display: block;
  margin: 6px 0 4px;
  object-fit: contain;
}

.s-footer-cr-logo {
  height: 14px;
  width: auto;
  vertical-align: -2px;
  display: inline-block;
  margin: 0 4px;
  object-fit: contain;
}

.s-footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.s-footer-logo-wrap h4 {
  margin-bottom: 0 !important;
}

.s-footer-logo-icon {
  height: 30px;
  width: auto;
  max-width: 54px;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(12, 102, 228, 0.2));
}

.s-footer-logo-img {
  height: 29px;
  width: auto;
  max-width: 250px;
  object-fit: contain;
  display: block;
  margin-bottom: 14px;
}

.s-logo-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--s-blue-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--s-blue-light);
  padding: 3px 8px;
  border-radius: var(--s-radius-pill);
  margin-left: 4px;
}

.s-nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.s-nav-link {
  font-family: var(--s-font-head);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--s-text-secondary);
  position: relative;
  padding: 8px 0;
  transition: color 0.2s ease;
}

.s-nav-link:hover,
.s-nav-link.active {
  color: var(--s-blue-primary);
}

.s-nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2.5px;
  background: var(--s-blue-primary);
  border-radius: var(--s-radius-pill);
}

.s-header-util {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* One UI Pill Buttons */
.s-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--s-font-head);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--s-radius-pill);
  padding: 12px 24px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
  border: none;
  white-space: nowrap;
}

.s-btn-primary {
  background: var(--s-blue-primary);
  color: #ffffff;
}

.s-btn-primary:hover {
  background: var(--s-blue-deep);
  transform: translateY(-2px);
  box-shadow: var(--s-shadow-hover);
}

.s-btn-white {
  background: #ffffff;
  color: var(--s-text-primary);
}

.s-btn-white:hover {
  background: #f1f5f9;
  transform: translateY(-2px);
  box-shadow: var(--s-shadow-hero-btn);
}

.s-btn-ghost-dark {
  background: transparent;
  color: #ffffff;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.s-btn-ghost-dark:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.s-btn-ghost-light {
  background: transparent;
  color: var(--s-text-primary);
  border: 1.5px solid var(--s-border-light);
}

.s-btn-ghost-light:hover {
  border-color: var(--s-blue-primary);
  color: var(--s-blue-primary);
  background: var(--s-blue-light);
}

.s-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--s-text-primary);
}

/* ===== SAMSUNG V2 HERO SECTION (CLEAN EXECUTIVE LIGHT THEME) ===== */
.s-hero {
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, #f8f8fa 100%);
  color: var(--s-text-primary);
  padding: 100px 0 90px;
  overflow: hidden;
  border-bottom: 1px solid var(--s-border-light);
}

.s-hero-bg-glow {
  position: absolute;
  top: -120px;
  right: -80px;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(12, 102, 228, 0.08) 0%, rgba(33, 137, 255, 0.02) 50%, transparent 70%);
  pointer-events: none;
}

.s-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.s-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--s-font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--s-blue-primary);
  margin-bottom: 20px;
  
  padding: 6px 14px;
  
}

.s-hero h1 {
  font-family: var(--s-font-logo);
  font-size: clamp(32px, 4.1vw, 54px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 0.01em;
  margin-bottom: 22px;
  color: #000000;
}

.s-hero h1 span.s-blue-text {
  color: var(--s-blue-primary);
}

.s-hero p.lead {
  font-size: 17.5px;
  line-height: 1.65;
  color: var(--s-text-secondary);
  max-width: 560px;
  margin-bottom: 36px;
}

.s-hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

/* Hero Metrics Ticker */
.s-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.s-badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1px solid var(--s-border-light);
  padding: 8px 16px;
  border-radius: var(--s-radius-pill);
  font-family: var(--s-font-head);
  font-size: 13px;
  color: var(--s-text-muted);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.s-badge-item strong {
  color: #000000;
  font-weight: 700;
}

.s-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--s-blue-primary);
}

/* Radar & Hardware Visual (Clean One UI Precision Lab Card) */
.s-hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.s-device-showcase {
  width: 100%;
  max-width: 440px;
  background: linear-gradient(150deg, #38bdf8 0%, #0ea5e9 45%, #0284c7 100%);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 26px;
  padding: 32px;
  box-shadow: 0 20px 45px -10px rgba(14, 165, 233, 0.38), 0 6px 20px rgba(2, 132, 199, 0.2);
  position: relative;
}

.s-device-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  padding-bottom: 16px;
}

.s-device-title {
  font-family: var(--s-font-head);
  font-size: 13.5px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.s-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #ffffff;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 10px;
  border-radius: var(--s-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
}

.s-status-dot {
  width: 7px;
  height: 7px;
  background: #a7f3d0;
  box-shadow: 0 0 8px #34d399;
  border-radius: 50%;
}

.s-radar-area {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto 24px;
  background: radial-gradient(circle at 110px 110px, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.08) 45%, rgba(255, 255, 255, 0.02) 70%, transparent 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.s-radar-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* White Vibration / Radar Wave Pulses */
.s-radar-ring {
  fill: none;
  stroke: #ffffff;
  stroke-width: 2.5;
  opacity: 0;
  transform-origin: 110px 110px;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.95)) drop-shadow(0 0 16px rgba(255, 255, 255, 0.7));
  animation: sRadarPing 3.2s cubic-bezier(0.15, 0.6, 0.3, 1) infinite;
}

.s-radar-ring.r2 {
  animation-delay: 1.05s;
}

.s-radar-ring.r3 {
  animation-delay: 2.1s;
}

@keyframes sRadarPing {
  0% {
    opacity: 1;
    transform: scale(0.15);
    stroke: #ffffff;
  }
  60% {
    opacity: 0.85;
    stroke: #ffffff;
  }
  100% {
    opacity: 0;
    transform: scale(1.05);
    stroke: rgba(255, 255, 255, 0.2);
  }
}

/* White Cellular Transmission Tower */
.s-tower-mast {
  stroke: #ffffff;
  stroke-width: 2.8;
  stroke-linecap: round;
  filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.8));
}

.s-tower-strut {
  stroke: #ffffff;
  stroke-width: 1.8;
  stroke-linecap: round;
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.7));
}

.s-tower-base {
  stroke: #ffffff;
  stroke-width: 2.6;
  stroke-linecap: round;
  filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.8));
}

/* Blinking White Tower Beacon */
.s-tower-beacon-glow {
  fill: rgba(255, 255, 255, 0.45);
  transform-origin: 110px 110px;
  animation: sTowerHalo 1.4s ease-in-out infinite;
}

.s-tower-beacon {
  fill: #ffffff;
  transform-origin: 110px 110px;
  filter: drop-shadow(0 0 10px #ffffff) drop-shadow(0 0 22px rgba(255, 255, 255, 0.95));
  animation: sTowerBlink 1.4s ease-in-out infinite;
}

@keyframes sTowerBlink {
  0%, 100% {
    fill: #ffffff;
    filter: drop-shadow(0 0 8px #ffffff) drop-shadow(0 0 14px rgba(255, 255, 255, 0.8));
    transform: scale(0.95);
  }
  50% {
    fill: #ffffff;
    filter: drop-shadow(0 0 18px #ffffff) drop-shadow(0 0 32px #ffffff) drop-shadow(0 0 44px rgba(255, 255, 255, 0.95));
    transform: scale(1.45);
  }
}

@keyframes sTowerHalo {
  0%, 100% {
    opacity: 0.3;
    transform: scale(0.8);
  }
  50% {
    opacity: 0.95;
    fill: rgba(255, 255, 255, 0.75);
    transform: scale(1.6);
  }
}

.s-telecom-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.s-metric-box {
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.s-metric-label {
  font-size: 11px;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 3px;
}

.s-metric-value {
  font-family: var(--s-font-head);
  font-size: 15px;
  font-weight: 800;
  color: #0284c7;
}

/* ===== NEWS CHANNEL HORIZONTAL SERVICE TICKER ===== */
.s-news-ticker-section {
  background: var(--s-offwhite);
  padding: 32px 0 36px;
  border-bottom: 1px solid var(--s-border-light);
  border-top: 1px solid var(--s-border-light);
  overflow: hidden;
  position: relative;
}

.s-ticker-label-bar {
  max-width: 1280px;
  margin: 0 auto 20px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.s-live-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--s-font-head);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #0c66e4;
  background: #e8f2ff;
  border: 1px solid #c8e0ff;
  padding: 5px 12px;
  border-radius: var(--s-radius-pill);
}

.s-live-dot {
  width: 7px;
  height: 7px;
  background: #0c66e4;
  border-radius: 50%;
  box-shadow: 0 0 8px #0c66e4;
  animation: sLiveDotBlink 1.4s ease-in-out infinite;
}

@keyframes sLiveDotBlink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.8); }
}

.s-ticker-subtitle {
  font-size: 13.5px;
  font-weight: 600;
  color: #64748b;
  letter-spacing: -0.01em;
}

.s-ticker-viewport {
  position: relative;
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
  padding: 6px 0;
}

.s-ticker-stream {
  display: flex;
  width: max-content;
  user-select: none;
}

.s-ticker-track {
  display: flex;
  align-items: center;
  gap: 16px;
  animation: sTickerMotion 36s linear infinite;
  will-change: transform;
  padding-right: 16px;
}

/* Pause when hovered so the user can easily read */
.s-ticker-viewport:hover .s-ticker-track {
  animation-play-state: paused;
}

@keyframes sTickerMotion {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}

.s-ticker-chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--s-radius-pill);
  padding: 10px 22px 10px 12px;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  cursor: default;
}

.s-ticker-chip:hover {
  transform: translateY(-2px);
  border-color: var(--s-blue-border);
  box-shadow: 0 6px 18px rgba(12, 102, 228, 0.14);
}

.s-t-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--s-blue-light);
  color: var(--s-blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.s-t-code {
  font-family: var(--s-font-head);
  font-size: 11.5px;
  font-weight: 800;
  color: var(--s-blue-primary);
  background: var(--s-blue-light);
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.02em;
}

.s-t-name {
  font-family: var(--s-font-head);
  font-size: 14.5px;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.01em;
}

/* ===== WHAT'S NEW FEATURED BANNER ===== */
.s-featured-banner {
  background: var(--s-offwhite);
  padding: 80px 0;
  border-bottom: 1px solid var(--s-border-light);
}

.s-section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.s-section-eyebrow {
  font-family: var(--s-font-head);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--s-blue-primary);
  margin-bottom: 12px;
}

.s-section-title {
  font-family: var(--s-font-head);
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--s-text-primary);
  line-height: 1.15;
  margin-bottom: 14px;
}

.s-section-desc {
  font-size: 16px;
  color: var(--s-text-secondary);
  line-height: 1.6;
}

.s-banner-card {
  background: #ffffff;
  border-radius: var(--s-radius-card);
  border: 1px solid var(--s-border-light);
  overflow: hidden;
  box-shadow: var(--s-shadow-card);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.s-banner-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--s-shadow-hover);
}

.s-banner-content {
  padding: 56px 48px;
}

.s-banner-tag {
  display: inline-block;
  background: var(--s-blue-light);
  color: var(--s-blue-primary);
  font-family: var(--s-font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--s-radius-pill);
  margin-bottom: 18px;
}

.s-banner-title {
  font-family: var(--s-font-head);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--s-text-primary);
  margin-bottom: 16px;
  line-height: 1.25;
}

.s-banner-desc {
  font-size: 15.5px;
  color: var(--s-text-secondary);
  line-height: 1.6;
  margin-bottom: 28px;
}

.s-banner-graphic {
  height: 100%;
  min-height: 340px;
  background: linear-gradient(135deg, #0c66e4 0%, #1e40af 50%, #002f6c 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.s-banner-graphic-inner {
  text-align: center;
  color: #ffffff;
  position: relative;
  z-index: 2;
}

.s-banner-badge-num {
  font-family: var(--s-font-head);
  font-size: 64px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

.s-banner-badge-text {
  font-family: var(--s-font-head);
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.9;
}

/* ===== SAMSUNG V2 DEVELOP/SERVICES SECTION WITH TABS ===== */
.s-develop-section {
  padding: 100px 0;
  background: #ffffff;
}

/* One UI Category Tabs */
.s-tabs-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 48px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.s-tabs {
  display: inline-flex;
  gap: 8px;
  background: var(--s-offwhite);
  padding: 6px;
  border-radius: var(--s-radius-pill);
  border: 1px solid var(--s-border-light);
}

.s-tab-btn {
  background: transparent;
  border: none;
  font-family: var(--s-font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--s-text-muted);
  padding: 10px 22px;
  border-radius: var(--s-radius-pill);
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.s-tab-btn:hover {
  color: var(--s-text-primary);
}

.s-tab-btn.is-active {
  background: #ffffff;
  color: var(--s-blue-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Samsung Develop Cards Grid */
.s-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.s-card {
  background: #ffffff;
  border: 1px solid var(--s-border-light);
  border-radius: var(--s-radius-card);
  overflow: hidden;
  box-shadow: var(--s-shadow-card);
  transition: transform 0.3s cubic-bezier(0.2, 0, 0, 1), box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.s-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--s-shadow-hover);
  border-color: var(--s-blue-border);
}

/* Vibrant Gradient Media Headers matching Samsung Developer */
.s-card-media {
  height: 140px;
  padding: 24px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.s-card-media.grad-1 { background: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 100%); }
.s-card-media.grad-2 { background: conic-gradient(from 0deg at 50% 50%, #8b5cf6 0deg, #ec4899 180deg, #3b82f6 360deg); }
.s-card-media.grad-3 { background: linear-gradient(135deg, #0284c7 0%, #06b6d4 100%); }
.s-card-media.grad-4 { background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%); }
.s-card-media.grad-5 { background: linear-gradient(135deg, #0ea5e9 0%, #2563eb 100%); }
.s-card-media.grad-6 { background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%); }
.s-card-media.grad-7 { background: linear-gradient(135deg, #10b981 0%, #0284c7 100%); }
.s-card-media.grad-8 { background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%); }
.s-card-media.grad-9 { background: linear-gradient(135deg, #1e293b 0%, #475569 100%); }

.s-card-icon {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.s-card-code-pill {
  font-family: var(--s-font-head);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  background: rgba(0, 0, 0, 0.4);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: var(--s-radius-pill);
  backdrop-filter: blur(4px);
}

.s-card-body {
  padding: 28px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.s-card-title {
  font-family: var(--s-font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--s-text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.s-card-desc {
  font-size: 14.5px;
  color: var(--s-text-secondary);
  line-height: 1.55;
  margin-bottom: 20px;
  flex: 1;
}

.s-card-action {
  font-family: var(--s-font-head);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--s-blue-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}

.s-card:hover .s-card-action {
  gap: 10px;
}

/* ===== PROCESS STEPPER (SAMSUNG STYLE) ===== */
.s-process-section {
  background: var(--s-offwhite);
  padding: 100px 0;
  border-top: 1px solid var(--s-border-light);
  border-bottom: 1px solid var(--s-border-light);
}

.s-stepper-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.s-step-card {
  background: #ffffff;
  border-radius: var(--s-radius-card);
  padding: 32px 26px;
  border: 1px solid var(--s-border-light);
  box-shadow: var(--s-shadow-card);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.s-step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--s-shadow-hover);
}

.s-step-num {
  font-family: var(--s-font-head);
  font-size: 13px;
  font-weight: 800;
  color: var(--s-blue-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: inline-block;
}

.s-step-card h4 {
  font-family: var(--s-font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--s-text-primary);
  margin-bottom: 10px;
}

.s-step-card p {
  font-size: 14px;
  color: var(--s-text-secondary);
  line-height: 1.55;
}

/* ===== GLOBAL OUTREACH & NUMBERS SHOWCASE (White & Blue One UI) ===== */
.s-numbers-showcase {
  background: #ffffff;
  border-radius: var(--s-radius-card);
  padding: 48px 36px 44px;
  text-align: center;
  color: var(--s-text-primary);
  box-shadow: 0 8px 30px rgba(12, 102, 228, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  margin-bottom: 56px;
  border: 1px solid var(--s-border-light);
  position: relative;
  overflow: hidden;
}

.s-numbers-showcase::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--s-blue-primary) 0%, #38bdf8 50%, var(--s-blue-primary) 100%);
}

.s-numbers-title {
  font-family: var(--s-font-head);
  font-size: 26px;
  font-weight: 800;
  color: #000000;
  margin-bottom: 36px;
  letter-spacing: -0.02em;
}

.s-numbers-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  align-items: stretch;
}

.s-num-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  border: 1px solid #eef2f6;
  border-radius: 16px;
  padding: 24px 14px 20px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.s-num-item:hover {
  transform: translateY(-4px);
  background: #ffffff;
  border-color: #bfdbfe;
  box-shadow: 0 12px 28px -6px rgba(12, 102, 228, 0.14);
}

.s-num-val {
  font-family: var(--s-font-head);
  font-size: 42px;
  font-weight: 800;
  color: var(--s-blue-primary);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.s-num-lbl {
  font-family: var(--s-font-head);
  font-size: 13.5px;
  font-weight: 700;
  color: #334155;
  letter-spacing: 0.02em;
}

.s-num-line {
  width: 32px;
  height: 3px;
  background: var(--s-blue-border);
  border-radius: 999px;
  margin-top: 14px;
  transition: width 0.3s ease, background 0.3s ease;
}

.s-num-item:hover .s-num-line {
  width: 48px;
  background: var(--s-blue-primary);
}

/* ===== TWO-COLUMN FEATURE SECTION ===== */
.s-two-column-section {
  padding: 100px 0;
  background: #ffffff;
}

.s-two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

/* Left Card: Tech Specs */
.s-specs-card {
  background: var(--s-offwhite);
  border: 1px solid var(--s-border-light);
  border-radius: var(--s-radius-card);
  padding: 44px;
  box-shadow: var(--s-shadow-card);
}

.s-specs-card h3 {
  font-family: var(--s-font-head);
  font-size: 24px;
  font-weight: 800;
  color: var(--s-text-primary);
  margin-bottom: 8px;
}

.s-specs-card p.intro {
  font-size: 14.5px;
  color: var(--s-text-muted);
  margin-bottom: 28px;
}

.s-spec-rows {
  display: flex;
  flex-direction: column;
}

.s-spec-row {
  display: flex;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--s-border-light);
  font-size: 14px;
}

.s-spec-row:last-child {
  border-bottom: none;
}

.s-spec-k {
  color: var(--s-text-muted);
  font-weight: 500;
}

.s-spec-v {
  font-family: var(--s-font-head);
  font-weight: 700;
  color: var(--s-blue-primary);
}

/* Right Card: Why Choose SOLO TECH */
.s-why-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.s-why-card {
  background: #ffffff;
  border: 1px solid var(--s-border-light);
  border-radius: var(--s-radius-card-sm);
  padding: 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  box-shadow: var(--s-shadow-card);
  transition: transform 0.2s, border-color 0.2s;
}

.s-why-card:hover {
  transform: translateX(4px);
  border-color: var(--s-blue-border);
}

.s-why-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--s-blue-light);
  color: var(--s-blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.s-why-card h4 {
  font-family: var(--s-font-head);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--s-text-primary);
  margin-bottom: 4px;
}

.s-why-card p {
  font-size: 13.5px;
  color: var(--s-text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* ===== CONTACT & LOCATION (ONE UI) ===== */
.s-contact-section {
  padding: 100px 0;
  background: var(--s-offwhite);
  border-top: 1px solid var(--s-border-light);
}

.s-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.s-contact-info-card {
  background: #ffffff;
  border: 1px solid var(--s-border-light);
  border-radius: var(--s-radius-card);
  padding: 44px;
  box-shadow: var(--s-shadow-card);
}

.s-contact-info-card h3 {
  font-family: var(--s-font-head);
  font-size: 26px;
  font-weight: 800;
  color: var(--s-text-primary);
  margin-bottom: 12px;
}

.s-contact-info-card p.desc {
  font-size: 15px;
  color: var(--s-text-secondary);
  margin-bottom: 32px;
}

.s-location-block {
  padding: 20px;
  background: var(--s-offwhite);
  border-radius: var(--s-radius-card-sm);
  margin-bottom: 20px;
  border: 1px solid var(--s-border-light);
}

.s-loc-label {
  font-family: var(--s-font-head);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--s-blue-primary);
  margin-bottom: 6px;
}

.s-loc-val {
  font-size: 15px;
  font-weight: 600;
  color: var(--s-text-primary);
  margin-bottom: 4px;
}

.s-loc-sub {
  font-size: 13.5px;
  color: var(--s-text-muted);
  line-height: 1.5;
}

.s-contact-direct {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.s-contact-link-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--s-font-head);
  font-size: 14px;
  font-weight: 600;
  color: var(--s-blue-primary);
  padding: 8px 14px;
  background: var(--s-blue-light);
  border-radius: var(--s-radius-pill);
  width: fit-content;
  transition: background 0.2s;
}

.s-contact-link-pill:hover {
  background: #d8e9ff;
}

/* One UI Form */
.s-form-card {
  background: #ffffff;
  border: 1px solid var(--s-border-light);
  border-radius: var(--s-radius-card);
  padding: 44px;
  box-shadow: var(--s-shadow-card);
}

.s-form-group {
  margin-bottom: 18px;
}

.s-form-group label {
  display: block;
  font-family: var(--s-font-head);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--s-text-secondary);
  margin-bottom: 8px;
}

.s-form-group input,
.s-form-group textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--s-font-body);
  font-size: 14.5px;
  border: 1.5px solid var(--s-border-light);
  border-radius: var(--s-radius-input);
  background: #ffffff;
  color: var(--s-text-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.s-form-group input:focus,
.s-form-group textarea:focus {
  outline: none;
  border-color: var(--s-blue-primary);
  box-shadow: 0 0 0 3px var(--s-blue-glow);
}

.s-form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.s-toast-alert {
  display: none;
  padding: 14px 18px;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  border-radius: var(--s-radius-input);
  font-size: 14px;
  font-weight: 500;
  margin-top: 14px;
  line-height: 1.5;
}

.s-toast-alert.show {
  display: flex;
  align-items: center;
  gap: 8px;
  animation: sFadeIn 0.3s ease;
}

.s-toast-alert.info {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1e40af;
}

.s-toast-alert.error {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

.s-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  pointer-events: none;
}

@keyframes sFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== SAMSUNG ENTERPRISE FOOTER (Clean Light One UI) ===== */
.s-footer {
  background: #f8fafc;
  color: #0f172a;
  padding: 64px 0 36px;
  border-top: 1px solid #e2e8f0;
}

.s-footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 40px;
}

.s-footer-brand h4 {
  font-family: var(--s-font-head);
  font-size: 20px;
  font-weight: 800;
  color: #000000;
  margin-bottom: 12px;
}

.s-footer-brand p {
  font-size: 14px;
  color: #64748b;
  max-width: 310px;
  line-height: 1.6;
}

.s-footer-col h5 {
  font-family: var(--s-font-head);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #0f172a;
  margin-bottom: 18px;
}

.s-footer-col ul li {
  margin-bottom: 10px;
  font-size: 14px;
  color: #475569;
}

.s-footer-col ul li a {
  color: #475569;
  text-decoration: none;
  transition: color 0.2s ease;
}

.s-footer-col ul li a:hover {
  color: var(--s-blue-primary);
}

.s-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: #64748b;
  flex-wrap: wrap;
  gap: 16px;
}

.s-footer-legal {
  display: flex;
  gap: 24px;
}

.s-footer-legal a {
  color: #64748b;
  text-decoration: none;
  transition: color 0.2s ease;
}

.s-footer-legal a:hover {
  color: var(--s-blue-primary);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .s-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .s-stepper-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .s-footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .s-nav-list {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 32px;
    gap: 20px;
    font-size: 18px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-top: 1px solid var(--s-border-light);
  }

  .s-nav-list.open {
    transform: translateX(0);
  }

  .s-menu-toggle {
    display: block;
  }

  .s-header-util .s-btn {
    display: none;
  }

  .s-hero-grid,
  .s-banner-card,
  .s-two-col-grid,
  .s-contact-grid {
    grid-template-columns: 1fr;
  }

  .s-banner-graphic {
    min-height: 220px;
  }

  .s-footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 600px) {
  .s-cards-grid,
  .s-stepper-grid {
    grid-template-columns: 1fr;
  }

  .s-container {
    padding: 0 20px;
  }

  .s-hero {
    padding: 90px 0 70px;
  }

  .s-banner-content,
  .s-specs-card,
  .s-form-card,
  .s-contact-info-card {
    padding: 28px 20px;
  }

  .s-numbers-showcase {
    padding: 36px 16px 32px;
    margin-bottom: 36px;
  }

  .s-numbers-title {
    font-size: 22px;
    margin-bottom: 28px;
  }

  .s-numbers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 12px;
  }

  .s-num-val {
    font-size: 34px;
  }
}