:root {
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --bg-card: rgba(30, 41, 59, 0.84);
  --line: rgba(34, 211, 238, 0.28);
  --line-soft: rgba(34, 211, 238, 0.2);
  --text: #ffffff;
  --muted: #cbd5e1;
  --accent: #06b6d4;
  --accent-hover: #22d3ee;
  --danger: #ef4444;
  --radius: 12px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

p { text-align: center;}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "DM Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

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

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

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.narrow {
  width: min(980px, 100%);
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: #0f172a;
  border-bottom: 1px solid var(--line-soft);
}

.navbar {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.brand-logo {
  height: 56px;
  width: auto;
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 1.1rem;
  font-weight: 500;
  color: #fff;
  transition: color 0.2s ease;
}

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

.nav-links .nav-cta {
  background: var(--accent);
  color: #fff;
  border-radius: 10px;
  padding: 0.65rem 1.2rem;
  font-weight: 700;
  box-shadow: 0 12px 24px rgba(6, 182, 212, 0.35);
}

.nav-links .nav-cta:hover {
  background: var(--accent-hover);
  color: #fff;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: transparent;
  color: #fff;
  padding: 0.5rem 0.85rem;
  font-weight: 700;
}

.home-main {
  margin-top: 80px;
}

.hero {
  position: relative;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 0;
  overflow: hidden;
  background: #0f172a;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1614569082783-d04b6d2b3ec4');
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.8), #0f172a);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 980px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.6rem, 6.6vw, 5.2rem);
  font-weight: 800;
  line-height: 1;
}

.slogan {
  margin: 0.3rem 0 1.3rem;
  font-size: clamp(1.25rem, 3.2vw, 2.2rem);
  color: var(--accent-hover);
  font-weight: 700;
}

.btn {
  border: 0;
  border-radius: 12px;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  padding: 1rem 2.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: scale(1.02);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 22px 44px rgba(6, 182, 212, 0.4);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.welcome-card {
  margin-top: 1.8rem;
  max-width: 840px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 1.35rem 1.4rem;
  backdrop-filter: blur(3px);
  box-shadow: var(--shadow);
}

.welcome-card p {
  margin: 0;
  font-size: 1.03rem;
  color: #e2e8f0;
}

.section {
  padding: 5rem 0;
}

.section h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 2.9rem);
  font-weight: 800;
}

.divider {
  width: 96px;
  height: 4px;
  margin: 1rem auto 2.2rem;
  background: var(--accent);
  border-radius: 999px;
}

.services {
  background: #0f172a;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.25);
}

.service-card h3 {
  font-size: 1.5rem;
  margin: 0.6rem 0 0.65rem;
}

.service-card p {
  margin: 0;
  color: #cbd5e1;
  font-size: 1.04rem;
}

.icon {
  width: 56px;
  height: 56px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(6, 182, 212, 0.2);
  color: var(--accent-hover);
  font-size: 1.5rem;
  font-weight: 800;
}

.about {
  background: rgba(30, 41, 59, 0.42);
}

.about-card {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  padding: 2.2rem;
  box-shadow: var(--shadow);
}

.about-card p {
  margin: 0;
  font-size: 1.22rem;
  line-height: 1.72;
  color: #cbd5e1;
}

.about-cta {
  padding-top: 2.6rem;
}

.about-cta h3 {
  margin: 0;
  font-size: 2rem;
}

.about-cta p {
  margin: 0.6rem 0 1.5rem;
  font-size: 1.28rem;
  color: #cbd5e1;
}

.offer-main {
  margin-top: 80px;
  min-height: 100vh;
  background: #0f172a;
}

.section-heading h1 {
  margin: 0;
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  font-weight: 800;
}

.section-heading h1 span {
  color: var(--accent-hover);
}

.section-heading p {
  margin: 0.8rem 0 0;
  color: #cbd5e1;
  font-size: 1.2rem;
}

.offer-form {
  margin-top: 2.2rem;
}

.panel {
  margin: 0 0 1.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.45rem;
  background: var(--bg-card);
}

.panel legend {
  font-weight: 800;
  font-size: 1.55rem;
  padding: 0 0.4rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
}

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

label {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  color: #fff;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  font: inherit;
  color: #fff;
  background: #334155;
  border: 1px solid #475569;
  border-radius: 10px;
  padding: 0.72rem 0.8rem;
}

input::placeholder,
textarea::placeholder {
  color: #94a3b8;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-hover);
  box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.24);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.file-input {
  border-style: dashed;
  border-width: 2px;
  border-color: #475569;
  background: #334155;
  padding: 0.95rem;
}

.submit-wrap {
  margin-top: 0.2rem;
}

.alert {
  background: rgba(127, 29, 29, 0.35);
  border: 1px solid rgba(239, 68, 68, 0.68);
  color: #fecaca;
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin-top: 1.5rem;
}

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.site-footer {
  background: #0f172a;
  border-top: 1px solid var(--line-soft);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
  padding: 3rem 0;
}

.footer-logo {
  height: 48px;
  width: auto;
  margin-bottom: 0.9rem;
}

.footer-slogan {
  margin: 0;
  color: #94a3b8;
}

.site-footer h4 {
  margin: 0 0 0.8rem;
  color: var(--accent-hover);
  font-size: 1.3rem;
  text-align: center;
}

.site-footer p {
  margin: 0.35rem 0;
  color: #cbd5e1;
}

.site-footer a:hover {
  color: var(--accent-hover);
}

.copyright {
  border-top: 1px solid var(--line-soft);
  padding: 1.4rem 0 1.8rem;
  text-align: center;
  color: #94a3b8;
}

.thank-you-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #0f172a;
  padding: 1.2rem;
}

.thanks-main {
  width: min(720px, 100%);
}

.thanks-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 16px;
  text-align: center;
  padding: 2.2rem 1.4rem;
  box-shadow: var(--shadow);
}

.thanks-logo {
  width: min(300px, 82%);
  margin: 0 auto 1rem;
  border-radius: 8px;
}

.thanks-card h1 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 2.5rem);
}

.thanks-card p {
  margin: 0.9rem 0 1.3rem;
  color: #cbd5e1;
  font-size: 1.1rem;
}

@media (max-width: 980px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .brand-text {
    display: none;
  }

  .nav-links {
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0.4rem;
    padding: 1rem 1.1rem 1.2rem;
    background: #0f172a;
    border-top: 1px solid var(--line-soft);
  }

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

  .menu-toggle {
    display: inline-flex;
  }

  .service-grid,
  .form-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .panel legend {
    font-size: 1.32rem;
  }

  .about-card {
    padding: 1.4rem;
  }

  .about-card p {
    font-size: 1.08rem;
  }
}