*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: #ffffff;
  color: #1a1a2e;
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

:root {
  --primary: #062C3F;
  --accent: #0066FF;
  --accent-dark: #0047CC;
  --text: #1a1a2e;
  --text-muted: #5a6478;
  --text-light: #8a95a8;
  --bg: #ffffff;
  --bg-light: #f7f8fc;
  --bg-dark: #062C3F;
  --border: #e2e8f0;
  --radius: 8px;
  --container: 1200px;
  --section-pad: 80px;
}

/* =============================================
  SCROLLBAR
  ============================================= */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }

/* =============================================
  HEADER / NAV
  ============================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.header-logo img { height: 36px; width: auto; }
.header-logo .logo-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}
.header-logo .logo-text span { color: var(--accent); }

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-list a {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
}
.nav-list a:hover { color: var(--primary); background: var(--bg-light); }
.nav-list .btn-contact {
  background: transparent;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 600;
}
.nav-list .btn-contact:hover { background: var(--accent); color: #fff; }
.nav-list .btn-login {
  background: var(--accent);
  color: #fff;
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 600;
}
.nav-list .btn-login:hover { background: var(--accent-dark); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* =============================================
  SCROLL-TO-TOP
  ============================================= */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 99;
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  box-shadow: 0 4px 12px rgba(0,102,255,0.3);
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { transform: translateY(-3px); }

/* =============================================
  HERO / BANNER
  ============================================= */
.hero {
  padding-top: 72px;
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 40%, #fff 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,102,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 60px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}
.hero-content {}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,102,255,0.08);
  color: var(--accent);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.hero-headline {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--primary);
  margin-bottom: 28px;
  letter-spacing: -1px;
}
.hero-headline .rotating-wrap {
  display: block;
  height: 1.2em;
  overflow: hidden;
}
.hero-headline .rotating-text {
  display: block;
  animation: rotateWords 9s ease-in-out infinite;
  color: var(--accent);
}
@keyframes rotateWords {
  0%, 25%  { transform: translateY(0); opacity: 1; }
  30%, 55% { transform: translateY(-100%); opacity: 0; }
  33%, 55% { transform: translateY(-100%); opacity: 0; }
  36%      { transform: translateY(-200%); opacity: 0; }
  60%, 90% { transform: translateY(-200%); opacity: 1; }
  91%      { transform: translateY(-300%); opacity: 0; }
  95%      { transform: translateY(0); opacity: 0; }
  100%     { transform: translateY(0); opacity: 1; }
}
.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(0,102,255,0.35);
}
.hero-cta:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,102,255,0.4);
}
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image img {
  max-width: 100%;
  width: 520px;
  filter: drop-shadow(0 20px 60px rgba(0,66,255,0.12));
  animation: floatImage 4s ease-in-out infinite;
}
@keyframes floatImage {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* =============================================
  SECTION COMMON
  ============================================= */
.section { padding: var(--section-pad) 0; }
.section-alt { background: var(--bg-light); }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* =============================================
  YIELD-ENHANCING TECH SECTION
  ============================================= */
.yield-section { background: #fff; }
.yield-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.yield-header { margin-bottom: 52px; }
.yield-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.yield-card {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 24px;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  position: relative;
  overflow: hidden;
}
.yield-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #00b4ff);
  opacity: 0;
  transition: opacity 0.25s;
}
.yield-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,66,255,0.1); border-color: rgba(0,102,255,0.2); }
.yield-card:hover::before { opacity: 1; }
.yield-icon {
  width: 48px;
  height: 48px;
  background: rgba(0,102,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.yield-icon svg { width: 24px; height: 24px; color: var(--accent); }
.yield-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
}

/* =============================================
  OMNICHANNEL SECTION
  ============================================= */
.omni-section { background: var(--bg-dark); color: #fff; }
.omni-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.omni-section .section-title { color: #fff; }
.omni-section .section-label { color: #60a5fa; }
.omni-section .section-desc { color: rgba(255,255,255,0.65); }
.omni-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.omni-col h3 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}
.omni-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.omni-tag {
  padding: 10px 20px;
  border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  cursor: default;
  transition: all 0.2s;
  background: rgba(255,255,255,0.04);
}
.omni-tag:hover {
  border-color: var(--accent);
  color: #fff;
  background: rgba(0,102,255,0.15);
  transform: translateY(-2px);
}
.omni-divider {
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: 52px 0;
}

/* =============================================
  PARTNERS MARQUEE
  ============================================= */
.partners-section { background: #fff; overflow: hidden; }
.partners-section .section-title { text-align: center; }
.partners-section .section-label { display: block; text-align: center; }
.marquee-track {
  display: flex;
  gap: 0;
  margin-top: 48px;
}
.marquee-row {
  display: flex;
  gap: 0;
  animation: marquee 30s linear infinite;
  flex-shrink: 0;
  will-change: transform;
}
.marquee-row:hover { animation-play-state: paused; }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  padding: 0 36px;
  border-right: 1px solid var(--border);
  flex-shrink: 0;
}
.partner-logo:first-child { border-left: 1px solid var(--border); }
.partner-logo img {
  height: 36px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.5;
  transition: all 0.3s;
}
.marquee-row:hover .partner-logo img { filter: grayscale(0%); opacity: 1; }

/* =============================================
  WHAT WE PROVIDE
  ============================================= */
.provide-section { background: var(--bg-light); }
.provide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.provide-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 32px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  transition: transform 0.25s, box-shadow 0.25s;
}
.provide-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(0,66,255,0.08); }
.provide-icon {
  width: 52px;
  height: 52px;
  background: rgba(0,102,255,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.provide-icon svg { width: 26px; height: 26px; color: var(--accent); }
.provide-text h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.3;
}
.provide-text p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* =============================================
  CONTACT SECTION
  ============================================= */
.contact-section {
  background: linear-gradient(135deg, var(--primary) 0%, #0a3d5c 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.contact-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,102,255,0.2) 0%, transparent 70%);
  pointer-events: none;
}
.contact-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contact-left {}
.contact-section .section-title { color: #fff; margin-bottom: 20px; }
.contact-section .section-label { color: #60a5fa; }
.contact-email-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  color: #60a5fa;
  margin-top: 8px;
  transition: color 0.2s;
}
.contact-email-link:hover { color: #fff; }
.contact-email-link svg { width: 20px; height: 20px; }

.contact-right {}
.contact-form-title {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 28px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; font-weight: 600; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.5px; }
.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  padding: 12px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: #fff;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.12);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.btn-submit {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 14px 36px;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  align-self: flex-start;
  transition: background 0.2s, transform 0.2s;
  box-shadow: 0 4px 16px rgba(0,102,255,0.4);
}
.btn-submit:hover { background: var(--accent-dark); transform: translateY(-2px); }

/* =============================================
  FOOTER
  ============================================= */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
  align-items: start;
}
.footer-brand {}
.footer-logo img { height: 36px; width: auto; margin-bottom: 16px; }
.footer-logo .logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}
.footer-logo .logo-text span { color: var(--accent); }
.footer-iab {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-iab-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-light);
}
.footer-iab a img { height: 40px; width: auto; opacity: 0.8; transition: opacity 0.2s; }
.footer-iab a:hover img { opacity: 1; }
.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-col ul a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy { font-size: 13px; color: var(--text-light); }
.footer-copy a { color: var(--accent); font-weight: 500; }

/* =============================================
  RESPONSIVE
  ============================================= */
@media (max-width: 1024px) {
  .yield-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { gap: 40px; }
}

@media (max-width: 768px) {
  :root { --section-pad: 56px; }

  .nav-list { display: none; }
  .nav-list.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    gap: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .nav-list.open a { padding: 12px 16px; border-radius: 8px; }
  .nav-toggle { display: flex; }

  .hero-inner { grid-template-columns: 1fr; text-align: center; padding: 48px 24px; gap: 40px; }
  .hero-image { display: none; }
  .hero-cta { justify-content: center; }

  .yield-grid { grid-template-columns: 1fr; }
  .omni-grid { grid-template-columns: 1fr; gap: 36px; }
  .provide-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}
