/* ===== Google Fonts — Inter ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ===== Design Tokens ===== */
:root {
  /* Dark backgrounds */
  --bg-0:  #060B18;
  --bg-1:  #0C1220;
  --bg-2:  #111927;
  --bg-3:  #1A2438;
  --bg-card: rgba(255,255,255,0.04);

  /* Brand accents */
  --blue:   #2563EB;
  --blue-l: #3B82F6;
  --cyan:   #06B6D4;
  --gold:   #F59E0B;
  --gold-l: #FCD34D;
  --purple: #7C3AED;
  --emerald:#10B981;
  --rose:   #F43F5E;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
  --grad-gold:    linear-gradient(135deg, #F59E0B 0%, #F97316 100%);
  --grad-purple:  linear-gradient(135deg, #7C3AED 0%, #2563EB 100%);
  --grad-text:    linear-gradient(90deg,  #3B82F6, #06B6D4);

  /* Text */
  --t1: #F1F5F9;
  --t2: #CBD5E1;
  --t3: #94A3B8;
  --t4: #64748B;

  /* Glass surfaces */
  --glass:        rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.09);
  --glass-hover:  rgba(255,255,255,0.09);

  /* Glows */
  --glow-blue: 0 0 40px rgba(37,99,235,0.30);
  --glow-cyan: 0 0 40px rgba(6,182,212,0.25);
  --glow-gold: 0 0 36px rgba(245,158,11,0.35);

  /* Shape */
  --r-sm:  8px;
  --r:     14px;
  --r-lg:  20px;
  --r-xl:  28px;
  --r-pill:50px;

  /* Motion */
  --ease: 0.25s cubic-bezier(.4,0,.2,1);
  --ease-slow: 0.45s cubic-bezier(.4,0,.2,1);

  /* Typography */
  --font: 'Inter', 'Calibri', Arial, sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; font-size: 16px; }
body  { font-family: var(--font); background: var(--bg-0); color: var(--t1); line-height: 1.65; overflow-x: hidden; }
img   { max-width: 100%; display: block; }
a     { color: inherit; text-decoration: none; }
ul    { list-style: none; }

/* ===== Layout ===== */
.container { max-width: 1160px; margin: 0 auto; padding: 0 28px; }

/* ===== Section tokens ===== */
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--t1);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--t3);
  max-width: 580px;
  line-height: 1.7;
}

.section-header { margin-bottom: 56px; }

/* Gradient text utility */
.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--r-pill);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: transform var(--ease), box-shadow var(--ease), filter var(--ease);
}
.btn:hover { transform: translateY(-2px); }

/* Primary — gold gradient */
.btn-gold {
  background: var(--grad-gold);
  color: #fff;
  box-shadow: 0 4px 20px rgba(245,158,11,0.3);
}
.btn-gold:hover {
  box-shadow: var(--glow-gold);
  filter: brightness(1.08);
}

/* Secondary — glass */
.btn-outline {
  background: var(--glass);
  color: var(--t1);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
}
.btn-outline:hover {
  background: var(--glass-hover);
  border-color: rgba(255,255,255,0.2);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

/* Solid blue */
.btn-navy {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,99,235,0.3);
}
.btn-navy:hover {
  box-shadow: var(--glow-blue);
  filter: brightness(1.08);
}

/* ===== Navbar ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(6,11,24,0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), box-shadow var(--ease);
}
#navbar.scrolled {
  border-bottom-color: var(--glass-border);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

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

.nav-logo {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--t1);
}
.nav-logo span {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav-links { display: flex; align-items: center; gap: 4px; }

.nav-links a {
  color: var(--t3);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  transition: color var(--ease), background var(--ease);
}
.nav-links a:hover { color: var(--t1); background: var(--glass); }

.nav-links .btn-gold { padding: 10px 20px; font-size: 0.88rem; color: #fff; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: transparent;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--t2);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Mobile Nav ===== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: rgba(12,18,32,0.97);
  backdrop-filter: blur(16px);
  z-index: 999;
  padding: 20px 24px 28px;
  border-top: 1px solid var(--glass-border);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.mobile-nav.open { display: block; opacity: 1; pointer-events: auto; }
.mobile-nav a {
  display: block;
  color: var(--t2);
  font-size: 1rem;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid var(--glass-border);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav .btn-gold { display: inline-flex; margin-top: 16px; width: 100%; justify-content: center; }

/* ===== Hero ===== */
#hero {
  position: relative;
  padding: 160px 0 110px;
  background: var(--bg-0);
  overflow: hidden;
}

/* Gradient orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}
.hero-orb-1 {
  width: 600px; height: 600px;
  top: -120px; right: -80px;
  background: radial-gradient(circle, rgba(37,99,235,0.18) 0%, transparent 70%);
}
.hero-orb-2 {
  width: 500px; height: 500px;
  bottom: -100px; left: -60px;
  background: radial-gradient(circle, rgba(124,58,237,0.14) 0%, transparent 70%);
}
.hero-orb-3 {
  width: 400px; height: 400px;
  top: 40%; left: 40%;
  background: radial-gradient(circle, rgba(6,182,212,0.10) 0%, transparent 70%);
}

.hero-content { max-width: 720px; position: relative; z-index: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(37,99,235,0.3);
  color: var(--blue-l);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  padding: 7px 18px;
  border-radius: var(--r-pill);
  margin-bottom: 30px;
}
.hero-badge::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan);
}

.hero-title {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 900;
  color: var(--t1);
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}
.hero-title .highlight {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--t3);
  margin-bottom: 40px;
  max-width: 540px;
  line-height: 1.75;
}

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 60px; }

.hero-stats {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  backdrop-filter: blur(12px);
  overflow: hidden;
}
.hero-stat {
  flex: 1;
  min-width: 120px;
  padding: 20px 24px;
  border-right: 1px solid var(--glass-border);
}
.hero-stat:last-child { border-right: none; }

.hero-stat-num {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
}
.hero-stat-label {
  font-size: 0.75rem;
  color: var(--t4);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 500;
}

/* ===== Scroll Reveal ===== */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Problem ===== */
#problem { padding: 110px 0; background: var(--bg-1); }

.stat-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 40px; }

.stat-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: 36px 28px;
  backdrop-filter: blur(12px);
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad-primary);
  opacity: 0;
  transition: opacity var(--ease);
}
.stat-card:hover { border-color: rgba(59,130,246,0.3); box-shadow: var(--glow-blue); transform: translateY(-4px); }
.stat-card:hover::after { opacity: 1; }

.stat-number {
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 10px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 1rem; font-weight: 700; color: var(--t1); margin-bottom: 8px; }
.stat-desc { font-size: 0.88rem; color: var(--t4); line-height: 1.6; }

.ira-quote {
  background: var(--glass);
  border: 1px solid rgba(6,182,212,0.2);
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-lg);
  padding: 36px 40px;
  backdrop-filter: blur(12px);
  position: relative;
}
.ira-quote::before {
  content: '"';
  position: absolute;
  top: 12px; left: 28px;
  font-size: 5rem;
  line-height: 1;
  font-family: Georgia, serif;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.3;
}
.ira-quote p { font-size: 1.05rem; color: var(--t2); font-style: italic; line-height: 1.75; position: relative; z-index: 1; }
.ira-quote cite { display: block; margin-top: 14px; font-size: 0.8rem; color: var(--cyan); font-style: normal; font-weight: 600; letter-spacing: 0.04em; }

/* ===== How It Works ===== */
#how-it-works { padding: 110px 0; background: var(--bg-0); }

.steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
  margin-bottom: 40px;
}

.step { text-align: center; padding: 0 16px; }

.step-circle {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: var(--grad-gold);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: var(--glow-gold);
}

.step-title { font-size: 1rem; font-weight: 700; color: var(--t1); margin-bottom: 10px; }
.step-desc { font-size: 0.9rem; color: var(--t3); line-height: 1.6; }

.step-arrow { display: flex; align-items: center; padding-top: 24px; color: var(--t4); font-size: 1.6rem; }

.example-callout {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: 28px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  backdrop-filter: blur(12px);
}
.example-callout .arrow-label {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: nowrap;
  overflow-x: auto;
  width: 100%;
}
.example-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--r);
  padding: 12px 20px;
  text-align: center;
}
.example-item .val { font-size: 1.4rem; font-weight: 800; color: var(--gold); letter-spacing: -0.02em; }
.example-item .lbl { font-size: 0.72rem; color: var(--t4); text-transform: uppercase; letter-spacing: 0.07em; margin-top: 2px; }
.example-eq { font-size: 1.4rem; color: var(--t4); font-weight: 700; }
.example-note { font-size: 0.8rem; color: var(--t4); }

.renewal-note {
  background: rgba(245,158,11,0.07);
  border: 1px solid rgba(245,158,11,0.2);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--r) var(--r) 0;
  padding: 18px 24px;
  margin-top: 24px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.renewal-note-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 1px; }
.renewal-note p { font-size: 0.92rem; color: var(--t3); line-height: 1.6; margin: 0; }
.renewal-note strong { color: var(--gold); }

/* ===== Lifecycle ===== */
#lifecycle { padding: 110px 0; background: var(--bg-1); }
#lifecycle .section-title { color: var(--t1); }
#lifecycle .section-sub { color: var(--t3); }

.lifecycle-timeline {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 0;
  position: relative;
  margin-top: 52px;
}
.lifecycle-timeline::before {
  content: '';
  position: absolute;
  top: 36px; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, rgba(37,99,235,0.6), rgba(6,182,212,0.6));
  z-index: 0;
}

.lifecycle-stage { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 0 12px; position: relative; z-index: 1; }

.lifecycle-stage-dot {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1px solid rgba(37,99,235,0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
  transition: background var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.lifecycle-stage:hover .lifecycle-stage-dot {
  background: rgba(37,99,235,0.15);
  border-color: var(--blue-l);
  box-shadow: 0 0 24px rgba(37,99,235,0.25);
}
.stage-icon { font-size: 1.4rem; line-height: 1; }
.stage-num { font-size: 0.62rem; font-weight: 700; color: var(--blue-l); letter-spacing: 0.04em; margin-top: 2px; }

.lifecycle-stage-label { font-size: 0.8rem; font-weight: 700; background: var(--grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; text-transform: uppercase; letter-spacing: 0.09em; margin-bottom: 6px; }
.lifecycle-stage-timing { font-size: 0.72rem; color: var(--t4); margin-bottom: 10px; font-style: italic; }
.lifecycle-stage-desc { font-size: 0.86rem; color: var(--t3); line-height: 1.55; }

.lifecycle-ownership {
  margin-top: 52px;
  background: var(--glass);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: var(--r-lg);
  padding: 28px 36px;
  display: flex;
  align-items: center;
  gap: 20px;
  backdrop-filter: blur(12px);
}
.lifecycle-ownership-icon { font-size: 2rem; flex-shrink: 0; }
.lifecycle-ownership p { color: var(--t3); font-size: 1rem; line-height: 1.7; }
.lifecycle-ownership strong { color: var(--t1); }

/* ===== Products ===== */
#products { padding: 110px 0; background: var(--bg-0); }

.products-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }

.product-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}
.product-card:hover { border-color: rgba(37,99,235,0.3); box-shadow: var(--glow-blue); transform: translateY(-4px); }

.product-icon {
  width: 52px; height: 52px;
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--ease);
}
.product-card:hover .product-icon { background: rgba(37,99,235,0.2); }
.product-icon svg { width: 26px; height: 26px; stroke: var(--blue-l); fill: none; stroke-width: 1.8; }

.product-title { font-size: 1.05rem; font-weight: 700; color: var(--t1); }
.product-desc { font-size: 0.88rem; color: var(--t4); line-height: 1.6; }
.product-link {
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--ease);
}
.product-link:hover { gap: 8px; }

/* ===== Calculator ===== */
#calculator { padding: 110px 0; background: var(--bg-1); }

.calc-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.calc-intro .section-title { color: var(--t1); }
.calc-intro .section-sub { color: var(--t3); }

.calc-points { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.calc-point { display: flex; align-items: flex-start; gap: 12px; color: var(--t3); font-size: 0.92rem; }
.calc-point-icon {
  flex-shrink: 0;
  width: 22px; height: 22px;
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.calc-point-icon svg { width: 12px; height: 12px; stroke: var(--emerald); stroke-width: 2.5; fill: none; }

.calc-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  padding: 40px;
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.calc-card h3 { font-size: 1.1rem; color: var(--t1); margin-bottom: 28px; font-weight: 700; }

.calc-field { margin-bottom: 24px; }
.calc-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--t3);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.calc-field input {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  border-radius: var(--r);
  font-family: var(--font);
  font-size: 1.1rem;
  color: var(--t1);
  outline: none;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.calc-field input::placeholder { color: var(--t4); }
.calc-field input:focus { border-color: rgba(37,99,235,0.6); box-shadow: 0 0 0 3px rgba(37,99,235,0.12); }

.calc-result {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--r);
  padding: 24px;
  text-align: center;
  margin-bottom: 16px;
  min-height: 92px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.calc-result-label { font-size: 0.75rem; color: var(--t4); text-transform: uppercase; letter-spacing: 0.09em; margin-bottom: 8px; font-weight: 500; }
.calc-result-amount { font-size: 2.4rem; font-weight: 900; letter-spacing: -0.04em; background: var(--grad-gold); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.calc-result-placeholder { color: var(--t4); font-size: 0.9rem; }
.calc-note { font-size: 0.75rem; color: var(--t4); text-align: center; margin-bottom: 20px; }
.calc-card .btn-gold { width: 100%; justify-content: center; }

/* ===== Why Saba ===== */
#why-saba { padding: 110px 0; background: var(--bg-0); }

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
}
.comparison-table th {
  background: rgba(37,99,235,0.15);
  color: var(--t1);
  padding: 18px 24px;
  text-align: left;
  font-size: 0.88rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(37,99,235,0.2);
  letter-spacing: 0.02em;
}
.comparison-table th:first-child { width: 30%; }
.comparison-table td {
  padding: 16px 24px;
  font-size: 0.92rem;
  color: var(--t3);
  border-bottom: 1px solid var(--glass-border);
  vertical-align: top;
}
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.comparison-table tr:hover td { background: rgba(255,255,255,0.04); }
.comparison-table .check { color: var(--emerald); font-weight: 600; }
.comparison-table .cross { color: var(--t4); }

/* ===== Market ===== */
#market { padding: 110px 0; background: var(--bg-1); }

.market-metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-bottom: 32px; }

.metric-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: 28px 20px;
  text-align: center;
  backdrop-filter: blur(12px);
  border-top: 2px solid transparent;
  background-clip: padding-box;
  position: relative;
  transition: transform var(--ease), box-shadow var(--ease);
}
.metric-card::before {
  content: '';
  position: absolute;
  top: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--grad-primary);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}
.metric-card:hover { transform: translateY(-4px); box-shadow: var(--glow-blue); }

.metric-value {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 8px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.metric-label { font-size: 0.82rem; color: var(--t4); line-height: 1.45; }

.regulatory-callout {
  background: var(--glass);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: var(--r-lg);
  padding: 32px 40px;
  display: flex;
  align-items: center;
  gap: 24px;
  backdrop-filter: blur(12px);
}
.reg-badge {
  flex-shrink: 0;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(6,182,212,0.12);
  border: 1px solid rgba(6,182,212,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}
.reg-text h4 { color: var(--cyan); font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.reg-text p { color: var(--t3); font-size: 0.9rem; line-height: 1.65; }

/* ===== Partners ===== */
#partners { padding: 110px 0; background: var(--bg-0); }
.partner-intro { margin-bottom: 48px; }

.partner-benefits { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 44px; }

.partner-benefit {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: 32px 24px;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: border-color var(--ease), transform var(--ease);
}
.partner-benefit:hover { border-color: rgba(245,158,11,0.3); transform: translateY(-3px); }

.partner-benefit-num {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.25);
  color: var(--gold);
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.partner-benefit h4 { font-size: 1rem; font-weight: 700; color: var(--t1); margin-bottom: 10px; }
.partner-benefit p { font-size: 0.88rem; color: var(--t4); line-height: 1.6; }

/* ===== About ===== */
#about { padding: 110px 0; background: var(--bg-1); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; margin-bottom: 64px; }

.about-mission h3 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}
.about-mission p { font-size: 0.97rem; color: var(--t3); line-height: 1.75; margin-bottom: 28px; }

/* 3-column grid; last 2 tiles center via column placement */
.values-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.value-tile               { grid-column: span 2; }
.value-tile:nth-child(4)  { grid-column: 2 / span 2; }
.value-tile:nth-child(5)  { grid-column: 4 / span 2; }

.value-tile {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}
.value-tile:hover { border-color: rgba(37,99,235,0.3); transform: translateY(-4px); box-shadow: var(--glow-blue); }

.value-icon {
  width: 52px; height: 52px;
  background: rgba(37,99,235,0.10);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  transition: background var(--ease);
}
.value-tile:hover .value-icon { background: rgba(37,99,235,0.18); }

.value-tile h4 { font-size: 1rem; font-weight: 700; color: var(--t1); line-height: 1.25; }
.value-tile p  { font-size: 0.88rem; color: var(--t4); line-height: 1.6; margin: 0; }

/* ===== FAQ ===== */
#faq { padding: 110px 0; background: var(--bg-0); }
.faq-list { max-width: 760px; margin: 0 auto; }

.faq-item { border-bottom: 1px solid var(--glass-border); }
.faq-item:first-child { border-top: 1px solid var(--glass-border); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  cursor: pointer;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--t2);
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  gap: 16px;
  user-select: none;
  transition: color var(--ease);
}
.faq-question:hover { color: var(--t1); }

.faq-arrow {
  flex-shrink: 0;
  width: 30px; height: 30px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s ease, background var(--ease), border-color var(--ease);
}
.faq-arrow svg { width: 14px; height: 14px; stroke: var(--t3); stroke-width: 2.5; fill: none; }
.faq-item.open .faq-arrow { transform: rotate(180deg); background: rgba(37,99,235,0.15); border-color: rgba(37,99,235,0.4); }
.faq-item.open .faq-arrow svg { stroke: var(--blue-l); }
.faq-item.open .faq-question { color: var(--t1); }

.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-answer p { padding-bottom: 20px; font-size: 0.93rem; color: var(--t4); line-height: 1.75; }
.faq-item.open .faq-answer { max-height: 400px; }

/* ===== Contact ===== */
#contact {
  padding: 110px 0;
  background: var(--bg-1);
  position: relative;
  overflow: hidden;
}
#contact::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 600px;
  background: radial-gradient(ellipse, rgba(37,99,235,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.contact-wrapper { text-align: center; position: relative; z-index: 1; }
.contact-wrapper .section-title { color: var(--t1); margin-bottom: 12px; }
.contact-wrapper .section-sub { color: var(--t3); margin: 0 auto 48px; max-width: 500px; }

.contact-cards { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; margin-bottom: 48px; }

.contact-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: 28px 36px;
  text-align: center;
  min-width: 190px;
  backdrop-filter: blur(12px);
  transition: border-color var(--ease), transform var(--ease);
}
.contact-card:hover { border-color: rgba(37,99,235,0.3); transform: translateY(-3px); }
.contact-card-icon { font-size: 1.5rem; margin-bottom: 10px; }
.contact-card-label { font-size: 0.74rem; color: var(--t4); text-transform: uppercase; letter-spacing: 0.09em; margin-bottom: 6px; font-weight: 500; }
.contact-card-value { font-size: 0.95rem; color: var(--t2); font-weight: 600; }
.contact-cta { margin-bottom: 0; }

/* ===== Footer ===== */
footer {
  background: var(--bg-0);
  border-top: 1px solid var(--glass-border);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-left .nav-logo-img { height: 30px; }
.footer-copy { font-size: 0.8rem; color: var(--t4); margin-top: 4px; }

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  color: var(--t4);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-pill);
  padding: 6px 16px;
}
.footer-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--emerald);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--emerald);
}

/* ===== Keyframe for calc result ===== */
@keyframes popIn { from { transform: scale(.9); opacity: .6; } to { transform: scale(1); opacity: 1; } }
.animate-in { animation: popIn .22s ease; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .steps { grid-template-columns: 1fr; gap: 24px; }
  .step-arrow { display: none; }
  .market-metrics { grid-template-columns: repeat(2,1fr); }
  .values-grid { grid-template-columns: repeat(4,1fr); }
  .value-tile { grid-column: span 2 !important; }
  .value-tile:nth-child(5) { grid-column: 2 / span 2 !important; }
  .lifecycle-timeline { grid-template-columns: 1fr; gap: 28px; }
  .lifecycle-timeline::before { display: none; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  #hero { padding: 120px 0 80px; }
  .hero-stats { flex-direction: column; gap: 0; }
  .hero-stat { border-right: none; border-bottom: 1px solid var(--glass-border); }
  .hero-stat:last-child { border-bottom: none; }

  .stat-cards { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .calc-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .partner-benefits { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .value-tile, .value-tile:nth-child(4), .value-tile:nth-child(5) { grid-column: span 1 !important; }
  .market-metrics { grid-template-columns: repeat(2,1fr); }
  .footer-inner { flex-direction: column; text-align: center; }
  .regulatory-callout { flex-direction: column; text-align: center; }
  .example-callout .arrow-label { overflow-x: auto; }
  .comparison-table th, .comparison-table td { padding: 12px 14px; font-size: 0.83rem; }
  .contact-cards { flex-direction: column; align-items: center; }
  .lifecycle-ownership { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .values-grid { grid-template-columns: 1fr; }
  .value-tile, .value-tile:nth-child(4), .value-tile:nth-child(5) { grid-column: span 1 !important; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
}