/* ─── CSS Variables ─── */
:root {
  --blue-primary: #2068B4;
  --blue-dark: #1B3679;
  --blue-light: #EBF4FF;
  --blue-border: #A8C8F0;
  --cod-gray: #0A0A0A;
  --ebony: #111827;
  --pale-sky: #6B7280;
  --athens-gray: #E5E7EB;
  --alabaster: #FAFAFA;
  --white: #FFFFFF;
  --cyan: #42A8D3;
  --ebony-clay: #1F2937;
  --gray-chateau: #9CA3AF;
  --chip-bg: #F4F4F5;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--cod-gray);
  overflow-x: hidden;
}

picture {
  text-align: -webkit-center;
}

.font-inter {
	font-family: 'Inter';
}

.font-title {
	font-family: 'DM Serif Display';
}

/* ─── HERO ─── */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0px;
  gap: 30px;
  background: var(--white);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  max-width: 1200px;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--blue-light);
  border: 1px solid var(--blue-border);
  border-radius: 999px;
}

.badge-dot {
  width: 7px; height: 7px;
  background: var(--blue-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.badge-text {
  font-size: 22px;
  font-weight: 600;
  color: var(--blue-dark);
}

.hero-title {
  font-size: 72px;
  line-height: 1.24;
  letter-spacing: -1.6px;
  color: var(--cod-gray);
  text-align: center;
  /* max-width: 900px; */
}

.hero-title em {
  font-style: italic;
  color: var(--blue-primary);
}

.hero-title strong {
  color: var(--blue-dark);
  font-weight: unset;
}

.hero-sub {
  font-size: 26px;
  line-height: 1.6;
  color: var(--pale-sky);
  text-align: center;
  /* max-width: 760px; */
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 4px;
}

.btn-hero-primary {
  /* background: var(--cod-gray); */
  color: var(--black);
  padding: 16px 32px;
  border-radius: 10px;
  font-size: 24px;
  font-weight: 600;
  text-decoration: none;
  transition: background .2s;
}
.btn-hero-primary:hover { 
  color: var(--primary-blue, #1B3679);
  transform: translateY(1px); 
}

.btn-hero-outline {
  border: 2px solid rgba(27,54,121,.2);
  color: var(--ebony);
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .2s;
}
.btn-hero-outline:hover { border-color: var(--blue-primary); }

/* Pillar chips */
.hero-pillars {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 15px 0;
}

.pillar-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--white);
  border: 1px solid var(--athens-gray);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue-dark);
}

.hero-pillars img {
  max-width: 70%;
  height: auto;
}

/* Hero diagram */
.hero-diagram {
  width: 100%;
  max-width: 1200px;
  /* height: 460px; */
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
}

.hero-diagram img {
  max-width: 100%;
  height: auto;
}

/* ─── SECTION COMMONS ─── */
.section-eyebrow {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue-dark);
  margin-bottom: 0;
}

.section-title {
  font-size: 52px;
  line-height: 1.18;
  color: var(--cod-gray);
}

.section-desc {
  font-size: 18px;
  line-height: 1.6;
  color: var(--pale-sky);
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ─── FEATURES ─── */
.features {
  padding: 80px 0px;
  background: var(--white);
}

.features-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.features-grid img {
  max-width: 100%;
  height: auto;
}

.feat-card {
  background: var(--white);
  border: 1px solid var(--athens-gray);
  border-radius: 18px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow .25s, transform .25s;
  position: relative;
  overflow: hidden;
}

.feat-card::before {
  content: '';
  position: absolute;
  inset: 1px;
  background: linear-gradient(125deg, #EBF4FF 0%, rgba(235,244,255,0) 60%);
  opacity: 0;
  transition: opacity .3s;
  border-radius: 17px;
}

.feat-card:hover { box-shadow: 0 8px 32px rgba(32,104,180,.12); transform: translateY(-2px); }
.feat-card:hover::before { opacity: 1; }

.feat-icon-wrap {
  width: 52px; height: 52px;
  background: var(--blue-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.feat-icon-wrap svg { width: 26px; height: 26px; }

.feat-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-dark);
  letter-spacing: -.02em;
  position: relative;
  z-index: 2;
  padding-top: 6px;
}

.feat-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--pale-sky);
  letter-spacing: -.01em;
  position: relative;
  z-index: 3;
}

/* ─── CORE TOOLS ─── */
.core-tools {
  padding: 80px 0px;
  background: var(--alabaster);
}

.core-tools-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  min-width: 0;
  width: 100%;
}

.tools-grid img {
  max-width: 100%;
  height: auto;
}

.tool-card {
  background: var(--white);
  border: 1px solid var(--athens-gray);
  border-radius: 18px;
  padding: 28px 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition: box-shadow .25s;
  min-width: 0;
}

.tool-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,.08); }

.tool-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.tool-icon { font-size: 28px; }

.tool-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 15px;
  background: var(--blue-light);
  border: 1px solid var(--blue-border);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  color: var(--blue-primary);
}

.tool-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ebony);
  line-height: 1.4;
  padding: 8px 0 4px;
}

.tool-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--pale-sky);
  letter-spacing: -.01em;
}

/* ─── COMPETITIVE ADVANTAGES ─── */
.advantages {
  padding: 80px 0px;
  background: var(--cod-gray);
}

.advantages-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.advantages-inner img {
  max-width: 100%;
  height: auto;
}

.advantages .section-eyebrow { color: var(--cyan); }
.advantages .section-title { color: var(--white); }
.advantages .section-desc { color: var(--gray-chateau); }

.adv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--pale-sky);
  border-radius: 20px;
  overflow: hidden;
}

.adv-grid img {
  max-width: 100%;
  height: auto;
}

.adv-card {
  padding: 40px 36px;
  background: var(--cod-gray);
  border: 1px solid var(--pale-sky);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.adv-num {
  font-family: 'DM Serif Display', serif;
  font-size: 48px;
  line-height: 1;
  color: rgba(32,104,180,.8);
}

.adv-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.02em;
  padding-top: 4px;
}

.adv-desc {
  font-size: 14px;
  line-height: 1.6;
  color: #E5E7EB;
  letter-spacing: -.01em;
}

.adv-tag {
  display: inline-flex;
  padding: 4px 12px;
  background: var(--ebony-clay);
  border: 1px solid rgba(32,104,180,.8);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  align-self: flex-start;
  margin-top: 4px;
}

/* ─── ARCHITECTURE ─── */
.architecture {
  padding: 80px 0px;
  background: var(--alabaster);
}

.architecture-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.architecture-inner img {
  max-width: 100%;
  height: auto;
}

.arch-stack {
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  overflow: hidden;
}

.arch-layer {
  display: flex;
  border: 1px solid var(--athens-gray);
  border-bottom: none;
}

.arch-layer:first-child { border-radius: 16px 16px 0 0; }
.arch-layer:last-child { border-bottom: 1px solid var(--athens-gray); border-radius: 0 0 16px 16px; }

.layer-label {
  min-width: 202px;
  width: 202px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: var(--blue-light);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue-dark);
  text-align: center;
}

.layer-content {
  flex: 1;
  background: var(--white);
  padding: 16px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.layer-chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  background: var(--chip-bg);
  border: 1px solid var(--athens-gray);
  border-radius: 7px;
  font-size: 14px;
  font-weight: 500;
  color: var(--cod-gray);
  letter-spacing: -.02em;
  white-space: nowrap;
}

/* ─── USE CASES ─── */
.usecases {
  padding: 80px 0px;
  background: var(--white);
}

.usecases-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

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

.uc-grid img {
  max-width: 100%;
  height: auto;
}

.uc-card {
  border: 1px solid var(--athens-gray);
  border-radius: 20px;
  overflow: hidden;
  transition: box-shadow .25s, transform .25s;
}

.uc-card:hover { box-shadow: 0 8px 32px rgba(32,104,180,.12); transform: translateY(-2px); }

.uc-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px 28px;
  background: var(--blue-light);
  height: 100%;
}

.uc-icon-wrap {
  width: 52px; height: 52px;
  background: var(--white);
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(0,0,0,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 22px;
}

.uc-meta { display: flex; flex-direction: column; gap: 2px; }

.uc-type {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .75px;
  text-transform: uppercase;
  color: var(--blue-dark);
}

.uc-name {
  font-size: 20px;
  font-weight: 600;
  color: var(--cod-gray);
  line-height: 1.4;
}

/* ─── CTA ─── */
.cta-section {
  padding: 80px 300px 120px;
  background: linear-gradient(180deg, var(--white) 21.58%, var(--blue-border) 117.65%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.cta-inner {
  max-width: 1200px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.cta-titles {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  letter-spacing: -1.6px;
}

.cta-title {
  font-size: 64px;
  line-height: 1.24;
  text-align: center;
  letter-spacing: -1.6px;
  background: linear-gradient(180deg, #000 0%, var(--blue-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-body {
  font-size: 22px;
  color: var(--cod-gray);
  text-align: center;
  line-height: 1.5;
}

.cta-btns {
  display: flex;
  gap: 24px;
  align-items: center;
}

.cta-btn-white {
  background: var(--white);
  color: var(--ebony);
  padding: 15px 32px;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 6px 24px rgba(0,0,0,.2);
  transition: box-shadow .2s;
}
.cta-btn-white:hover {
	box-shadow: 0 8px 32px rgba(0,0,0,.25);
	background: var(--blue-primary);
    color: var(--white);
}

.cta-btn-outline {
  border: 2px solid rgba(27,54,121,.2);
  color: var(--ebony);
  padding: 13px 32px;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .2s;
}
.cta-btn-outline:hover { border-color: var(--blue-primary); }

/* ─── RESPONSIVE HINT ─── */
@media (max-width: 1400px) {
  .site-header, .hero, .features, .core-tools,
  .advantages, .architecture, .usecases { padding-left: 20px; padding-right: 20px; }
  .cta-section { padding-left: 20px; padding-right: 20px; }
  .site-footer { padding-left: 20px; padding-right: 20px; }
}

@media (max-width: 900px) {
  .features-grid, .tools-grid, .uc-grid, .adv-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 42px; }
  .hero-pillars img {
    max-width: 100%;
    height: auto;
  }
  .section-title { font-size: 36px; }
  .cta-title { font-size: 40px; }
  .footer-inner { flex-direction: column; }
  .footer-links { flex-wrap: wrap; gap: 32px; }
}

@media (max-width: 510px) {
  .cta-btns {
  	flex-direction: column;
  }
}

@media (max-width: 400px) {
  .badge-text {
  	font-size: 16px;
  }
  .hero-title {
	font-size: 38px;
  }
  .hero-sub {
	font-size: 16px;
  }
  .section-title {
	font-size: 32px;
  }
  .section-desc {
	font-size: 16px;
  }
}