/* ============================================================
   WEAVIVE — Main Stylesheet
   ============================================================ */

/* ── Custom Properties ── */
:root {
  --navy:        #29274c;
  --navy-dark:   #1e1d3a;
  --navy-deeper: #16152c;
  --blue:        #3351e5;
  --blue-hover:  #2640c7;
  --blue-light:  #7099ff;
  --bg-tint:     #eef7ff;
  --cloud:       #eef7ff;
  --yellow:      #ffc649;
  --cyan:        #23dce1;
  --white:       #ffffff;
  --text-dark:   #1a1832;
  --text-mid:    #4a4869;
  --text-muted:  #7a78a0;
  --text-light:  #a8a6c8;
  --border:      #e6e4f0;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm:  8px;
  --radius:     12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-sm: 0 2px 8px rgba(41,39,76,0.06);
  --shadow:    0 4px 24px rgba(41,39,76,0.10);
  --shadow-lg: 0 12px 48px rgba(41,39,76,0.16);

  --max-w: 1200px;
  --pad:   clamp(1.25rem, 4vw, 2rem);

  --section-py: clamp(72px, 8vw, 104px);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
button { font-family: inherit; }

/* ── Layout ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.section { padding: var(--section-py) 0; }
.section--dark { background: var(--navy); color: var(--white); }


/* ============================================================
   NAVIGATION
   ============================================================ */
.nav-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  transition: background 0.35s ease, box-shadow 0.35s ease;
}
.nav-header.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-header.scrolled .nav-links a:not(.nav-cta) { color: var(--text-dark); }
.nav-header.scrolled .nav-cta   { background: var(--blue) !important; color: var(--white) !important; }
.nav-header.scrolled .nav-toggle span { background: var(--navy); }

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.nav-header.scrolled .nav-container {
  padding-top: 4px;
  padding-bottom: 4px;
}

.nav-logo {
  display: flex;
  align-items: center;
}

/* Real Weavive logo — white-on-navy brand lockup (weavive-logo-white.png, 1517×891) */
/* Two logo versions: white for dark bg, navy for scrolled white bg */
.nav-logo-img {
  height: 72px;
  width: auto;
  display: block;
  transition: all 0.35s ease;
}
.nav-logo-img--white {
  /* White transparent PNG — shows on dark hero background */
}
.nav-logo-img--navy {
  /* Navy transparent PNG — shows on white scrolled nav */
  display: none;
}
.nav-header.scrolled .nav-logo-img--white {
  display: none;
}
.nav-header.scrolled .nav-logo-img--navy {
  display: block;
  height: 48px;
}


.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }

.nav-lang {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-lang-divider {
  color: rgba(255, 255, 255, 0.3);
  font-size: 13px;
  line-height: 1;
}
.nav-header.scrolled .nav-lang-divider {
  color: rgba(41, 39, 76, 0.3);
}
.nav-lang-btn {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  padding: 4px 2px;
  transition: color 0.2s;
  font-family: inherit;
}
.nav-lang-btn:hover {
  color: rgba(255, 255, 255, 0.9);
}
.nav-lang-btn--active {
  color: #fff;
  font-weight: 700;
}
.nav-header.scrolled .nav-lang-btn {
  color: rgba(41, 39, 76, 0.45);
}
.nav-header.scrolled .nav-lang-btn:hover {
  color: var(--navy);
}
.nav-header.scrolled .nav-lang-btn--active {
  color: var(--navy);
}

.nav-cta {
  background: var(--white) !important;
  color: var(--navy) !important;
  padding: 9px 20px !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  font-size: 14px !important;
  transition: transform 0.2s, box-shadow 0.2s !important;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 201;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Atmospheric glows */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(100px);
}
.hero-glow--blue {
  width: 700px; height: 600px;
  top: -80px; right: -100px;
  background: radial-gradient(circle, rgba(51,81,229,0.28) 0%, transparent 70%);
}
.hero-glow--cyan {
  width: 400px; height: 400px;
  bottom: 60px; left: -60px;
  background: radial-gradient(circle, rgba(35,220,225,0.12) 0%, transparent 70%);
}

/* Subtle fiber/textile line pattern */
.hero-fiber-pattern {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -52deg,
    transparent 0px,
    transparent 72px,
    rgba(255,255,255,0.018) 72px,
    rgba(255,255,255,0.018) 73px
  );
  pointer-events: none;
}

/* Hero 2-column layout */
.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
  padding-top: 148px;
  padding-bottom: 72px;
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

/* ── Hero collage: 3 images with organic blob shapes ── */
/* ── Hero carousel with rounded corners + border ── */
.hero-image-blob {
  width: 100%;
  max-width: 560px;
  aspect-ratio: 4 / 5;
  margin: 0 auto;
  border-radius: 24px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.3);
  position: relative;
}
.hero-carousel {
  position: relative;
  width: 100%;
  height: 100%;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.hero-slide--active {
  opacity: 1;
}
.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-carousel-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 2;
}
.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.7);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: all 0.3s ease;
}
.hero-dot--active {
  background: #fff;
  border-color: #fff;
}

/* TIME badge */
.time-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,198,73,0.12);
  border: 1px solid rgba(255,198,73,0.36);
  color: var(--yellow);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 7px 15px;
  border-radius: 100px;
  width: fit-content;
  margin-bottom: 36px;
}
.time-badge--card { margin-bottom: 24px; }

.hero-headline {
  font-size: clamp(38px, 5.5vw, 72px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 28px;
  max-width: 720px;
}
.hero-headline em {
  font-style: normal;
  color: var(--blue-light);
}
html[lang="zh"] .hero-headline {
  font-size: clamp(36px, 4.8vw, 64px);
  letter-spacing: 0;
}

html[lang="zh"] .cta-title {
  font-size: clamp(24px, 3.6vw, 48px);
  white-space: nowrap;
}

html[lang="zh"] .cta-sub {
  text-wrap: balance;
}

.hero-sub {
  font-size: clamp(16px, 1.8vw, 18.5px);
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 44px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Stats bar */
.hero-stats-bar {
  position: relative;
  z-index: 1;
  background: rgba(0,0,0,0.22);
  border-top: 1px solid rgba(255,255,255,0.07);
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr; /* 5 stats + 4 rules */
  align-items: center;
  padding: 28px 0;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 0 clamp(12px, 2vw, 24px);
}
.stat-value {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  letter-spacing: -0.025em;
}
.stat-plus {
  color: var(--blue-light);
  font-size: 0.7em;
}
.stat-unit-line {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.48);
  font-weight: 500;
  line-height: 1.3;
}
.stat-rule {
  width: 1px;
  height: 44px;
  background: rgba(255,255,255,0.1);
}


/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 90px;
  right: clamp(24px, 5vw, 80px);
  color: rgba(255,255,255,0.3);
  animation: bob 2s ease-in-out infinite;
  z-index: 1;
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}


/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-lg {
  padding: 16px 34px;
  font-size: 16px;
  border-radius: 10px;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-hover);
  border-color: var(--blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(51,81,229,0.42);
}

.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border-color: rgba(255,255,255,0.22);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

.btn-cyan {
  background: transparent;
  color: var(--cyan);
  border-color: var(--cyan);
  font-size: 14.5px;
  padding: 12px 22px;
}
.btn-cyan:hover {
  background: rgba(35,220,225,0.1);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}
.btn-outline:hover {
  border-color: rgba(255,255,255,0.65);
  transform: translateY(-2px);
}


/* ============================================================
   ABOUT TEASER
   ============================================================ */
.about-teaser {
  padding: var(--section-py) 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.about-teaser-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 7vw, 96px);
  align-items: center;
}
.about-teaser-title {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text-dark);
  margin-bottom: 20px;
}
.about-teaser-body {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--text-mid);
  line-height: 1.75;
}
.about-teaser-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 28px;
  font-size: 15px;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
  transition: gap 0.2s ease;
}
.about-teaser-link:hover { gap: 10px; }
.about-teaser-stats {
  display: flex;
  flex-direction: column;
  gap: 36px;
  padding: 40px;
  background: var(--bg-tint);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
}
.about-stat { display: flex; flex-direction: column; gap: 4px; }
.about-stat-value {
  font-size: clamp(40px, 4vw, 56px);
  font-weight: 900;
  color: var(--navy);
  line-height: 1;
  letter-spacing: -0.03em;
}
.about-stat-plus { color: var(--blue); font-size: 0.65em; }
.about-stat-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   TRUSTED BY
   ============================================================ */
.trusted {
  padding: 44px 0;
  border-bottom: 1px solid var(--border);
}
.trusted-label {
  text-align: center;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-light);
  margin-bottom: 28px;
}
.partner-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 52px);
}
.partner-logo-img {
  height: 32px;
  width: auto;
  max-width: 110px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.4;
  transition: opacity 0.25s, filter 0.25s;
}
.partner-logo-img:hover {
  opacity: 0.75;
  filter: grayscale(50%);
}


/* ============================================================
   SECTION SHARED TYPOGRAPHY
   ============================================================ */
.section-eyebrow {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--blue);
  margin-bottom: 14px;
}
.section-eyebrow--cyan { color: var(--cyan); }

.section-title {
  font-size: clamp(30px, 4.5vw, 54px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--text-dark);
  margin-bottom: 20px;
}
.section-title--white { color: var(--white); }

.section-sub {
  font-size: clamp(15px, 1.5vw, 17px);
  color: var(--text-mid);
  line-height: 1.75;
  max-width: 620px;
  margin-bottom: 60px;
}
.section-sub--muted { color: rgba(255,255,255,0.58); margin-bottom: 40px; }


/* ============================================================
   VALUE CHAIN
   ============================================================ */
.chain {
  background: var(--bg-tint);
  clip-path: polygon(0 36px, 100% 0, 100% calc(100% - 36px), 0 100%);
  margin-top: -36px;
  padding-top: calc(var(--section-py) + 36px);
  padding-bottom: calc(var(--section-py) + 36px);
}

/* Scroll container: handles horizontal overflow on mid-size screens without clipping chain-flow children */
.chain-flow-scroll {
  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 4px;
}
.chain-flow-scroll::-webkit-scrollbar { display: none; }

.chain-flow {
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow: visible; /* must be visible — overflow-x:auto promotes overflow-y:auto, clipping badge + step-6 border */
  padding-top: 18px;
  padding-bottom: 8px;
}

.chain-step {
  flex: 1 1 0;
  min-width: 0; /* allow shrink on desktop so 6 steps + 5 connectors fit without overflow */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 16px 24px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
}
.chain-step:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--blue-light);
}
.chain-step--featured {
  border-color: var(--blue);
  background: linear-gradient(160deg, rgba(51,81,229,0.04) 0%, var(--white) 60%);
}
.chain-step--featured:hover { border-color: var(--blue); }

.step-icon {
  width: 64px; height: 64px;
  background: var(--white);
  border-radius: 16px;
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  margin-bottom: 16px;
  overflow: hidden;
  flex-shrink: 0;
}
.step-icon--blue {
  background: rgba(51,81,229,0.06);
  border-color: rgba(51,81,229,0.2);
  color: var(--blue);
}
.step-icon-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  object-position: center;
}

.step-num {
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--text-light);
  margin-bottom: 6px;
}
.step-num--blue { color: var(--blue); }

.step-name {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 5px;
}
.step-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.45;
}

.step-badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 100px;
  white-space: nowrap;
}

.chain-connector {
  display: flex;
  align-items: center;
  padding: 0 6px;
  color: var(--text-light);
  flex-shrink: 0;
  margin-top: -4px;
}


/* ============================================================
   TECHNOLOGY SPOTLIGHT
   ============================================================ */
.tech-section {
  background: linear-gradient(140deg, var(--navy-deeper) 0%, var(--navy) 55%, #232060 100%);
  position: relative;
  overflow: hidden;
}
.tech-glow {
  position: absolute;
  width: 700px; height: 700px;
  top: -200px; right: -150px;
  background: radial-gradient(circle, rgba(35,220,225,0.07) 0%, transparent 65%);
  pointer-events: none;
}

.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 7vw, 96px);
  align-items: center;
}

.tech-specs {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 36px 0 44px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 24px 28px;
}
.spec-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
  text-align: center;
}
.spec-value {
  font-size: clamp(30px, 3.5vw, 44px);
  font-weight: 900;
  color: var(--cyan);
  line-height: 1;
  letter-spacing: -0.03em;
}
.spec-plus { color: rgba(35,220,225,0.7); font-size: 0.7em; }
.spec-arrow { color: rgba(35,220,225,0.7); font-size: 0.7em; margin: 0 2px; }
.spec-label {
  font-size: 12px;
  color: rgba(255,255,255,0.42);
  font-weight: 500;
}
.spec-divider {
  width: 1px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  margin: 0 8px;
}

/* Tech card */
.tech-card-inner {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: 0;
  height: 100%;
  transition: border-color 0.3s;
  overflow: hidden;
}
.tech-card-inner:hover { border-color: rgba(35,220,225,0.3); }

.tech-card-photo-wrap {
  width: 100%;
  height: 200px;
  overflow: hidden;
}
.tech-card-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
  transition: transform 0.4s ease;
}
.tech-card-inner:hover .tech-card-photo {
  transform: scale(1.04);
}
.tech-card-body {
  padding: clamp(28px, 4vw, 44px);
}

.tech-card-title {
  font-size: 30px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.tech-card-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.55);
  line-height: 1.65;
  margin-bottom: 32px;
}

.stream-list {
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.stream-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  color: rgba(255,255,255,0.68);
  font-weight: 500;
}
.stream-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}
.stream-dot--blue   { background: var(--blue-light); }
.stream-dot--yellow { background: var(--yellow); }
.stream-dot--cyan   { background: var(--cyan); }
.stream-dot--muted  { background: rgba(255,255,255,0.25); }


/* ============================================================
   IMPACT
   ============================================================ */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: -16px;
}
.impact-card {
  padding: 32px 24px 28px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.impact-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--blue-light);
}

.impact-icon {
  width: 56px; height: 56px;
  border-radius: 15px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
}
.impact-icon--cyan  { background: rgba(35,220,225,0.1);  color: var(--cyan); }
.impact-icon--blue  { background: rgba(51,81,229,0.1);   color: var(--blue); }
.impact-icon--yellow{ background: rgba(255,198,73,0.12); color: #d4a000; }
.impact-icon--navy  { background: rgba(41,39,76,0.07);   color: var(--navy); }

.impact-number {
  display: block;
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 900;
  color: var(--text-dark);
  line-height: 1;
  letter-spacing: -0.035em;
  margin-bottom: 8px;
}
.impact-number-sub {
  font-size: 0.45em;
  font-weight: 700;
  letter-spacing: 0;
}
.impact-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.impact-detail {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.5;
}


/* ============================================================
   PRESS
   ============================================================ */
.press-section {
  background: var(--bg-tint);
  padding: 52px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.press-label {
  text-align: center;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-light);
  margin-bottom: 28px;
}
.press-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 52px);
}
.press-logo {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-mid);
  opacity: 0.42;
  transition: opacity 0.25s;
  cursor: default;
  user-select: none;
}
.press-logo:hover { opacity: 0.75; }
.press-logo--time {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.18em;
  opacity: 0.65;
}


/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background: linear-gradient(140deg, var(--navy-deeper) 0%, var(--navy) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(51,81,229,0.18) 0%, transparent 70%);
  left: -180px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}
.cta-section::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(35,220,225,0.10) 0%, transparent 70%);
  right: -100px;
  bottom: -100px;
  pointer-events: none;
}
.cta-inner {
  max-width: 660px;
  margin: 0 auto;
}
.cta-title {
  font-size: clamp(30px, 4.5vw, 54px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
}
.cta-sub {
  font-size: clamp(15px, 1.5vw, 17px);
  color: rgba(255,255,255,0.6);
  line-height: 1.75;
  margin-bottom: 44px;
}
.cta-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}


/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--navy-deeper);
  color: var(--white);
  padding-top: 72px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1fr;
  gap: clamp(32px, 5vw, 56px);
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer-logo-img {
  height: 72px;
  width: auto;
  display: block;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 13.5px;
  color: rgba(255,255,255,0.38);
  line-height: 1.65;
  margin-bottom: 18px;
}
.footer-email {
  font-size: 13.5px;
  color: var(--blue-light);
  font-weight: 500;
  transition: color 0.2s;
}
.footer-email:hover { color: var(--white); }

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.footer-col-title {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.32);
  margin-bottom: 4px;
}
.footer-link {
  font-size: 13.5px;
  color: rgba(255,255,255,0.58);
  font-weight: 500;
  transition: color 0.2s;
}
.footer-link:hover { color: var(--white); }
.footer-cert {
  font-size: 13.5px;
  color: rgba(255,255,255,0.5);
}

.footer-bottom {
  padding: 22px 0;
}
.footer-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  color: rgba(255,255,255,0.24);
}


/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.js-fadein {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.js-fadein.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.js-fadein:nth-child(2)  { transition-delay: 0.08s; }
.js-fadein:nth-child(3)  { transition-delay: 0.16s; }
.js-fadein:nth-child(4)  { transition-delay: 0.24s; }
.js-fadein:nth-child(5)  { transition-delay: 0.08s; }
.js-fadein:nth-child(6)  { transition-delay: 0.16s; }
.js-fadein:nth-child(7)  { transition-delay: 0.24s; }
.js-fadein:nth-child(8)  { transition-delay: 0.32s; }
.js-fadein:nth-child(9)  { transition-delay: 0.40s; }
.js-fadein:nth-child(10) { transition-delay: 0.48s; }
.js-fadein:nth-child(11) { transition-delay: 0.08s; }


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about-teaser-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-layout     { grid-template-columns: 1fr; }
  .hero-visual     { display: none; }
  .tech-grid       { grid-template-columns: 1fr; gap: 48px; }
  .impact-grid     { grid-template-columns: repeat(2, 1fr); }
  .footer-grid     { grid-template-columns: 1fr 1fr; gap: 40px; }
  /* chain steps need a minimum width for horizontal scroll at tablet sizes */
  .chain-step { min-width: 150px; }
}

@media (max-width: 768px) {
  .hero-layout {
    padding-top: 96px;
    padding-bottom: 48px;
  }
  .hero-headline { max-width: 100%; }

  .nav-links {
    display: none;
    position: fixed;
    inset: 72px 0 0 0;
    background: var(--navy-dark);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 48px;
    gap: 28px;
    z-index: 199;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { font-size: 18px; color: rgba(255,255,255,0.88); }
  .nav-cta {
    background: var(--blue) !important;
    color: var(--white) !important;
    padding: 12px 28px !important;
    font-size: 16px !important;
  }
  .nav-toggle { display: flex; }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }
  .stat-rule:nth-child(4) { display: none; }
  .stat-rule:nth-child(2) { display: none; }
  .stat { padding: 16px 12px; }

  .chain-flow-scroll { overflow-x: visible; }
  .chain-flow {
    flex-direction: column;
  }
  .chain-step { min-width: 0; width: 100%; }
  .chain-connector { justify-content: center; transform: rotate(90deg); padding: 4px 0; }

  .tech-specs { flex-wrap: wrap; justify-content: center; }

  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom-row { flex-direction: column; gap: 6px; text-align: center; }
}

@media (max-width: 540px) {
  .impact-grid  { grid-template-columns: 1fr; }
  .stats-grid   { grid-template-columns: 1fr 1fr; }
  .stat-rule    { display: none; }
  .partner-logos { gap: 16px; }
  .hero-ctas    { flex-direction: column; align-items: flex-start; }
}