/* =========================================================
   Liberty Solution — pure CSS (no frameworks)
   ========================================================= */

:root {
  --navy: #071426;
  --navy-2: #0b1f3a;
  --blue: #2563eb;
  --blue-bright: #3b82f6;
  --cyan: #22d3a5;
  --cyan-soft: #5eead4;
  --fog: #d4deee;
  --white: #ffffff;
  --border: rgba(200, 212, 230, 0.18);
  --radius: 1.25rem;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --display: "Segoe UI", system-ui, -apple-system, sans-serif;
  --container: 1140px;
  --space: clamp(4rem, 8vw, 7rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--navy);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

h1, h2, h3, h4, h5 {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: #fff;
}

p {
  margin: 0 0 1rem;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

::selection {
  background: rgba(34, 211, 165, 0.35);
  color: #fff;
}

/* Layout */
.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: var(--space) 0;
}

.muted {
  color: var(--fog);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.eyebrow.center {
  justify-content: center;
}

.eyebrow.center::before {
  display: none;
}

.gradient-text {
  background: linear-gradient(120deg, #fff 0%, #7ef0d0 40%, #60a5fa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 999px;
  padding: 0.9rem 1.75rem;
  font-weight: 700;
  font-size: 1rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  text-align: center;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--cyan);
  color: #041018;
  box-shadow: 0 10px 30px rgba(34, 211, 165, 0.28);
}

.btn-primary:hover {
  background: var(--cyan-soft);
  box-shadow: 0 14px 36px rgba(34, 211, 165, 0.38);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.55);
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.92rem;
}

/* Navbar */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.7rem 0;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}

.nav.is-scrolled {
  background: rgba(7, 20, 38, 0.92);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 1.1rem;
  color: #fff;
}

.brand-text span {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: #7dd3fc;
  margin-top: 0.12rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #e8eef8;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
}

.nav-links a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 0.5rem;
  width: 44px;
  height: 44px;
  padding: 0;
  color: #fff;
  font-size: 1.35rem;
  line-height: 1;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 1rem;
    right: 1rem;
    flex-direction: column;
    align-items: stretch;
    background: rgba(11, 31, 58, 0.98);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 0.75rem;
    gap: 0.15rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links .btn {
    margin-top: 0.35rem;
    width: 100%;
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: 7rem 0 4.5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(37, 99, 235, 0.32), transparent 55%),
    radial-gradient(ellipse 50% 40% at 15% 80%, rgba(34, 211, 165, 0.18), transparent 50%),
    linear-gradient(180deg, var(--navy) 0%, #06101f 100%);
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200, 212, 230, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 212, 230, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  z-index: 0;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-row {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.1rem);
  margin-bottom: 1.25rem;
}

.hero .lead {
  font-size: clamp(1.08rem, 1.6vw, 1.28rem);
  color: #e8eef8;
  max-width: 36rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

.hero-stats strong {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-stats span {
  font-size: 0.9rem;
  color: #c5d2e6;
  font-weight: 500;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(360px, 48vw, 560px);
}

.hero-brand {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  text-align: center;
}

.hero-mark {
  width: min(88vw, 480px);
  aspect-ratio: 1;
  object-fit: contain;
  filter: drop-shadow(0 18px 50px rgba(34, 211, 165, 0.32))
    drop-shadow(0 8px 30px rgba(37, 99, 235, 0.28));
}

.hero-word-main {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  line-height: 1;
}

.hero-word-sub {
  font-size: clamp(0.9rem, 1.6vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #7dd3fc;
  margin-top: 0.2rem;
}

.ring {
  position: absolute;
  border: 1px solid rgba(34, 211, 165, 0.22);
  border-radius: 50%;
  pointer-events: none;
}

.ring.r1 { width: min(72vw, 420px); height: min(72vw, 420px); }
.ring.r2 { width: min(84vw, 500px); height: min(84vw, 500px); border-color: rgba(59, 130, 246, 0.18); }
.ring.r3 { width: min(96vw, 580px); height: min(96vw, 580px); border-style: dashed; border-color: rgba(200, 212, 230, 0.14); }

@media (max-width: 900px) {
  .hero-row {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    min-height: 320px;
  }

  .hero-mark {
    width: min(70vw, 300px);
  }
}

/* Cards grid */
.section-head {
  max-width: 38rem;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  margin-bottom: 0.85rem;
}

.section-head p {
  color: var(--fog);
  line-height: 1.65;
  font-size: 1.02rem;
}

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

@media (max-width: 960px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .cards {
    grid-template-columns: 1fr;
  }
}

.card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 165, 0.4);
  box-shadow: 0 0 60px rgba(34, 211, 165, 0.18);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(34, 211, 165, 0.2), rgba(37, 99, 235, 0.2));
  border: 1px solid rgba(34, 211, 165, 0.3);
  color: var(--cyan-soft);
  margin-bottom: 1.1rem;
  font-size: 1.25rem;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

.card p {
  color: var(--fog);
  font-size: 1rem;
  line-height: 1.65;
  margin: 0;
}

/* Approach */
.approach-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  align-items: center;
}

@media (max-width: 900px) {
  .approach-row {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: linear-gradient(145deg, rgba(18, 42, 77, 0.75), rgba(7, 20, 38, 0.95));
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.step-num {
  flex-shrink: 0;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--navy);
  background: linear-gradient(135deg, var(--cyan), var(--blue-bright));
}

.step h4 {
  font-size: 1.05rem;
  margin: 0 0 0.3rem;
}

.step p {
  margin: 0;
  color: var(--fog);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* Metrics */
.metrics {
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.14), rgba(34, 211, 165, 0.12));
  border-block: 1px solid var(--border);
  padding: 2.5rem 0;
}

.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
}

@media (max-width: 700px) {
  .metrics-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.metric strong {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, #fff, var(--cyan-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.metric span {
  color: #d0dbeb;
  font-size: 0.95rem;
  font-weight: 550;
}

/* Industries */
.center {
  text-align: center;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
  margin-top: 1.5rem;
}

.chip {
  display: inline-flex;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: #eef3fa;
  font-size: 0.92rem;
  font-weight: 600;
}

/* About */
.about-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

@media (max-width: 800px) {
  .about-row {
    grid-template-columns: 1fr;
  }
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.check-list li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  font-weight: 500;
  line-height: 1.5;
}

.check {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(34, 211, 165, 0.15);
  color: var(--cyan-soft);
  font-size: 0.75rem;
  font-weight: 800;
  margin-top: 0.1rem;
}

/* Contact */
.contact-row {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .contact-row {
    grid-template-columns: 1fr;
  }
}

.contact-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: clamp(1.4rem, 3vw, 2.1rem);
  height: 100%;
}

.contact-item {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.contact-item:last-child {
  border-bottom: 0;
}

.contact-item .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(34, 211, 165, 0.12);
  border: 1px solid rgba(34, 211, 165, 0.28);
  color: var(--cyan-soft);
  flex-shrink: 0;
  font-size: 1rem;
}

.contact-item h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #b6c5db;
  margin: 0 0 0.25rem;
  font-weight: 700;
}

.contact-item a,
.contact-item p {
  margin: 0;
  color: #fff;
  font-weight: 650;
  font-size: 1.05rem;
}

.contact-item a:hover {
  color: var(--cyan-soft);
}

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

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

.form-grid .full {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 650;
  color: #e8eef8;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(7, 20, 38, 0.65);
  border: 1px solid rgba(200, 212, 230, 0.28);
  color: #fff;
  border-radius: 0.75rem;
  padding: 0.85rem 1rem;
  min-height: 50px;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 165, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #9aacc4;
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

.form-group select option {
  background: var(--navy-2);
  color: #fff;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

.form-actions .hint {
  color: var(--fog);
  font-size: 0.9rem;
}

.form-actions .hint a {
  color: var(--cyan-soft);
  font-weight: 600;
}

.alert-success {
  display: none;
  background: rgba(34, 211, 165, 0.14);
  border: 1px solid rgba(34, 211, 165, 0.4);
  color: #9ff5dd;
  border-radius: 0.85rem;
  padding: 0.95rem 1.05rem;
  font-size: 0.95rem;
  font-weight: 550;
  margin-bottom: 1rem;
}

.alert-success.show {
  display: block;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background: #050f1c;
  padding: 3.5rem 0 2rem;
}

.footer-row {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 0.7fr 1fr;
  gap: 2rem;
}

@media (max-width: 800px) {
  .footer-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer-row {
    grid-template-columns: 1fr;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.footer-brand img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.footer h5 {
  font-size: 1rem;
  margin-bottom: 0.9rem;
}

.footer a {
  display: inline-block;
  color: #c5d2e6;
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.footer a:hover {
  color: var(--cyan-soft);
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: #b0c0d8;
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover, .card:hover { transform: none; }
}