/* ===========================================
   DHYUTHI INFRATECH — DESIGN SYSTEM
   Aesthetic: light, warm, bold — Exotec-inspired
   =========================================== */

:root {
  /* Surfaces */
  --bg-base: #FFFFFF;
  --bg-soft: #F6F3EE;        /* warm off-white */
  --bg-warm: #EDE7DD;        /* warmer band */
  --bg-dark: #1A1A1A;        /* dark spotlight sections */
  --bg-darker: #0E0E0E;      /* footer */

  /* Lines */
  --line-soft: #E8E2D6;
  --line-mid: #CFC8B9;
  --line-strong: #1A1A1A;

  /* Text */
  --text-primary: #1A1A1A;
  --text-secondary: #5A5752;
  --text-muted: #8A8780;
  --text-faint: #B8B4AB;
  --text-on-dark: #F5F2EC;
  --text-on-dark-muted: #B8B4AB;

  /* Accent — Exotec-style warm coral */
  --accent: #FF5C39;
  --accent-hot: #E84A28;
  --accent-soft: #FFE9E1;
  --accent-glow: rgba(255, 92, 57, 0.18);

  /* Status colors */
  --status-prod: #2BAE66;
  --status-pilot: #FF5C39;
  --status-dev: #C6A14B;
  --status-concept: #8A8780;

  /* Type */
  --font-display: 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Menlo', monospace;

  /* Geometry */
  --container: 1320px;
  --gutter: clamp(1.25rem, 3.5vw, 3.5rem);
  --radius: 6px;
  --radius-lg: 14px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  font-weight: 400;
  letter-spacing: -0.005em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--accent); color: #fff; }

a { color: inherit; text-decoration: none; }

/* ===========================================
   NAV
   =========================================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 1.1rem var(--gutter);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line-soft);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--accent);
}

.logo-text {
  display: inline-flex;
  flex-direction: column;
  line-height: 1;
}

.logo-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.logo-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.28em;
  color: var(--text-muted);
  margin-top: 4px;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 2.25rem;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--text-primary);
  position: relative;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--accent); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.2rem;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: var(--text-primary);
  border: 1px solid var(--text-primary);
  border-radius: 999px;
  transition: all 0.2s;
}

.nav-cta:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* ===========================================
   HERO
   =========================================== */
.hero {
  position: relative;
  z-index: 1;
  padding: clamp(4rem, 9vh, 7rem) var(--gutter) clamp(3rem, 6vh, 5rem);
  max-width: var(--container);
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}

.hero-text { min-width: 0; }

.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--line-mid);
  background: var(--bg-soft);
  border-radius: 999px;
  margin-bottom: 2rem;
}

.status-dot {
  width: 7px; height: 7px;
  background: var(--status-prod);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(43, 174, 102, 0.18);
}

.meta-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.meta-divider { color: var(--text-faint); }

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.75rem, 6.2vw, 5.75rem);
  line-height: 0.96;
  letter-spacing: -0.045em;
  color: var(--text-primary);
  margin-bottom: 1.75rem;
}

.hero-line {
  display: block;
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.hero-line:nth-child(1) { animation-delay: 0.05s; }
.hero-line:nth-child(2) { animation-delay: 0.18s; }
.hero-line:nth-child(3) { animation-delay: 0.31s; }
.hero-line:nth-child(4) { animation-delay: 0.44s; }

.hero-line em {
  font-style: normal;
  color: var(--accent);
}

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

.hero-sub {
  font-size: clamp(1.05rem, 1.25vw, 1.18rem);
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 56ch;
  margin-bottom: 2.25rem;
  opacity: 0;
  animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.55s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  opacity: 0;
  animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.7s forwards;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 1rem 1.6rem;
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary:hover {
  background: var(--accent-hot);
  border-color: var(--accent-hot);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -10px var(--accent-glow);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 1rem 1.6rem;
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-primary);
  border: 1px solid var(--line-strong);
  background: transparent;
  border-radius: 999px;
  transition: all 0.2s;
}

.btn-ghost:hover {
  background: var(--text-primary);
  color: #fff;
}

/* HERO VISUAL */
.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-soft) 0%, var(--bg-warm) 100%);
  padding: 1.25rem;
  border: 1px solid var(--line-soft);
  opacity: 0;
  animation: rise 1.1s cubic-bezier(0.2, 0.8, 0.2, 1) 0.85s forwards;
}

.hero-visual svg { width: 100%; height: auto; display: block; }

/* STATS STRIP */
.stats-strip {
  position: relative;
  z-index: 1;
  background: var(--bg-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.stats-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 3rem var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat {
  text-align: left;
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.stat-num em {
  color: var(--accent);
  font-style: normal;
}

.stat-label {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.4;
  max-width: 28ch;
}

/* ===========================================
   SECTIONS
   =========================================== */
.section {
  position: relative;
  z-index: 1;
  padding: clamp(5rem, 11vh, 8rem) var(--gutter);
  max-width: var(--container);
  margin: 0 auto;
}

.section-soft {
  max-width: none;
  margin: 0;
  padding-left: 0;
  padding-right: 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.section-soft .section-head,
.section-soft .solutions-grid,
.section-soft .usecase-portfolio {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section-head {
  margin-bottom: 4rem;
  max-width: 920px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.25rem, 4.8vw, 3.75rem);
  line-height: 1.0;
  letter-spacing: -0.035em;
  color: var(--text-primary);
}

.section-title em {
  font-style: normal;
  color: var(--accent);
}

.section-sub {
  margin-top: 1.5rem;
  font-size: 1.1rem;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 65ch;
}

/* ===========================================
   ABOUT
   =========================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 5rem;
  align-items: start;
}

.about-text .lead {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2vw, 1.85rem);
  line-height: 1.35;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.about-text p:not(.lead) {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  max-width: 62ch;
  font-size: 1rem;
}

.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.pillar {
  background: var(--bg-soft);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  transition: all 0.3s;
}

.pillar:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.pillar-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--accent);
  display: block;
  margin-bottom: 0.85rem;
}

.pillar h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  letter-spacing: -0.015em;
  color: var(--text-primary);
}

.pillar p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.pillar em { color: var(--accent); font-style: normal; font-weight: 600; }

/* ===========================================
   SOLUTIONS
   =========================================== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.solution-card {
  background: var(--bg-base);
  padding: 2.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all 0.3s;
}

.solution-card:hover {
  border-color: var(--text-primary);
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -20px rgba(26, 26, 26, 0.12);
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line-soft);
}

.card-num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  transition: color 0.3s;
}

.solution-card:hover .card-num { color: var(--accent); }

.card-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.dot {
  width: 6px; height: 6px;
  background: var(--status-prod);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(43, 174, 102, 0.18);
}

.dot-amber { background: var(--accent); box-shadow: 0 0 0 3px rgba(255, 92, 57, 0.18); }

.card-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text-primary);
}

.card-body {
  font-size: 0.97rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.card-list {
  list-style: none;
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-soft);
}

.card-list li {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  padding: 0.4rem 0 0.4rem 1.4rem;
  position: relative;
}

.card-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

/* ===========================================
   USE CASE PORTFOLIO
   =========================================== */
.usecase-portfolio {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.usecase-group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--text-primary);
  margin-bottom: 2rem;
}

.usecase-group-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  display: inline-flex;
  align-items: baseline;
  gap: 1rem;
}

.usecase-group-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.usecase-group-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.usecase-card {
  background: var(--bg-base);
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: all 0.25s;
  position: relative;
}

.usecase-card:hover {
  border-color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 18px 36px -20px rgba(26,26,26,0.1);
}

.usecase-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.usecase-num {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

.usecase-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
}

.usecase-status::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.status-prod { color: var(--status-prod); background: rgba(43, 174, 102, 0.1); }
.status-pilot { color: var(--status-pilot); background: rgba(255, 92, 57, 0.1); }
.status-dev { color: var(--status-dev); background: rgba(198, 161, 75, 0.12); }
.status-concept { color: var(--status-concept); background: rgba(138, 135, 128, 0.12); }

.usecase-title {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--text-primary);
}

.usecase-body {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.55;
  flex: 1;
}

.usecase-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line-soft);
}

.usecase-tag {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
}

/* ===========================================
   FLAGSHIP — featured engagement section (DARK)
   =========================================== */
.flagship {
  position: relative;
  z-index: 1;
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding: clamp(5rem, 11vh, 8rem) var(--gutter);
  overflow: hidden;
}

.flagship::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(255, 92, 57, 0.14), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.flagship-inner {
  max-width: var(--container);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.flagship-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.25rem;
}

.flagship-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0.45rem 0.9rem;
  background: rgba(255, 92, 57, 0.14);
  border: 1px solid rgba(255, 92, 57, 0.4);
  border-radius: 999px;
}

.flagship-pill {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  padding: 0.45rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}

.flagship-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 5.5vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: var(--text-on-dark);
  margin-bottom: 1.5rem;
  max-width: 22ch;
}

.flagship-title em {
  font-style: normal;
  color: var(--accent);
}

.flagship-sub {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-on-dark-muted);
  max-width: 72ch;
  margin-bottom: 3rem;
}

.flagship-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 2.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 3.5rem;
}

.flagship-stat-num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.85rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.flagship-stat-label {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-on-dark-muted);
  line-height: 1.45;
  max-width: 30ch;
}

.flagship-stages-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-on-dark);
  margin-bottom: 1.5rem;
}

.flagship-stages {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.flagship-stage {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.85rem;
  border-radius: var(--radius-lg);
  transition: all 0.3s;
}

.flagship-stage:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.flagship-stage-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.flagship-stage-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text-on-dark);
  margin-bottom: 0.75rem;
}

.flagship-stage p {
  font-size: 0.93rem;
  line-height: 1.55;
  color: var(--text-on-dark-muted);
}

.flagship-foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.flagship-foot-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.6rem;
}

.flagship-foot-block p {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-on-dark-muted);
}

@media (max-width: 1080px) {
  .flagship-stats { grid-template-columns: repeat(2, 1fr); }
  .flagship-foot { grid-template-columns: 1fr; gap: 1.5rem; }
}

@media (max-width: 740px) {
  .flagship-stats { grid-template-columns: 1fr; }
  .flagship-stages { grid-template-columns: 1fr; }
}

/* ===========================================
   LOGO STRIP
   =========================================== */
.logo-strip {
  background: var(--bg-base);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 2.5rem var(--gutter);
}

.logo-strip-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.logo-strip-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.logo-strip-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  opacity: 0.55;
}

.logo-placeholder {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-muted);
  padding: 0.5rem 0.85rem;
  border: 1px dashed var(--line-mid);
  border-radius: 4px;
}

/* ===========================================
   CTA STRIP — DARK
   =========================================== */
.cta-strip {
  position: relative;
  z-index: 1;
  padding: clamp(5rem, 11vh, 9rem) var(--gutter);
  background: var(--bg-dark);
  color: var(--text-on-dark);
}

.cta-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 3rem;
  align-items: center;
}

.cta-strip .section-tag { color: var(--accent); }

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.0;
  color: var(--text-on-dark);
  margin-bottom: 1.25rem;
}

.cta-title em {
  font-style: normal;
  color: var(--accent);
}

.cta-sub {
  font-size: 1.1rem;
  color: var(--text-on-dark-muted);
  line-height: 1.6;
  max-width: 56ch;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.cta-actions .btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}

.cta-actions .btn-ghost:hover {
  background: #fff;
  color: var(--text-primary);
}

/* ===========================================
   CONTACT
   =========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-block .meta-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.contact-block p, .contact-block a {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.5;
  transition: color 0.2s;
}

.contact-block a:hover { color: var(--accent); }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  padding: 2.25rem;
  border-radius: var(--radius-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-form .meta-label {
  color: var(--text-secondary);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-base);
  border: 1px solid var(--line-soft);
  padding: 0.85rem 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
  border-radius: var(--radius);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.contact-form select { appearance: none; cursor: pointer; }
.contact-form select option { background: var(--bg-base); color: var(--text-primary); }

.contact-form button {
  align-self: flex-start;
  margin-top: 0.5rem;
}

.form-status {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent);
  min-height: 1.2em;
}

/* ===========================================
   FOOTER — DARK
   =========================================== */
.footer {
  position: relative;
  z-index: 1;
  background: var(--bg-darker);
  color: var(--text-on-dark);
  padding: 5rem var(--gutter) 1.5rem;
}

.footer .logo { color: var(--accent); }
.footer .logo-name { color: var(--text-on-dark); }
.footer .logo-sub { color: var(--text-on-dark-muted); }

.footer-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 4rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-tag {
  font-size: 0.95rem;
  color: var(--text-on-dark-muted);
  margin-top: 1.25rem;
  max-width: 32ch;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-cols .meta-label {
  display: block;
  margin-bottom: 1rem;
  color: var(--text-on-dark);
  font-weight: 600;
}

.footer-cols ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-cols li {
  font-size: 0.95rem;
  color: var(--text-on-dark-muted);
  transition: color 0.2s;
}
.footer-cols a:hover { color: var(--accent); }

.footer-bar {
  max-width: var(--container);
  margin: 0 auto;
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-on-dark-muted);
}

/* ===========================================
   RESPONSIVE
   =========================================== */
@media (max-width: 1080px) {
  .usecase-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
  .nav-links { display: none; }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 2.5rem; }

  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .solutions-grid { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: 1fr; }

  .usecase-group-head { flex-direction: column; align-items: flex-start; gap: 0.75rem; }

  .cta-inner { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: row; flex-wrap: wrap; }

  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .footer-bar { flex-direction: column; gap: 0.5rem; }
}

@media (max-width: 560px) {
  .nav-cta span { display: none; }
  .nav-cta { padding: 0.7rem 0.85rem; }
  .stats-inner { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-ghost { justify-content: center; }
  .footer-cols { grid-template-columns: 1fr; }
  .logo-strip-row { gap: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}