/* DDK Digital — base styles */

:root {
  --navy: #05070f;
  --navy-panel: #0e1424;
  --navy-panel-light: #141b30;
  --blue: #1769ff;
  --blue-light: #4d8dff;
  --white: #ffffff;
  --off-white: #f4f6fb;
  --grey-300: #c7cede;
  --grey-500: #8b93ab;
  --border: rgba(255, 255, 255, 0.08);
  --max-width: 1160px;
  --radius: 14px;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--navy);
  color: var(--white);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  color: var(--grey-300);
  margin: 0 0 16px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--blue);
  display: inline-block;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head p {
  margin-bottom: 0;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

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

.btn-primary {
  background: var(--blue);
  color: var(--white);
}

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

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--blue-light);
}

.btn-block {
  width: 100%;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 7, 15, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-link .logo-mark {
  height: 34px;
  width: auto;
}

.logo-text {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--white);
  padding-left: 12px;
  border-left: 1px solid var(--border);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--grey-300);
  transition: color 0.15s ease;
}

.main-nav a:hover {
  color: var(--white);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Hero */

.hero {
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -220px;
  right: -160px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(23, 105, 255, 0.28) 0%, rgba(23, 105, 255, 0) 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 720px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
}

.hero .lead {
  font-size: 1.15rem;
  color: var(--grey-300);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 72px;
}

.hero-stats div strong {
  display: block;
  font-size: 1.3rem;
  white-space: nowrap;
  color: var(--white);
}

.hero-stats div span {
  display: block;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--grey-500);
}

/* Logo strip */

.trust-strip {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.trust-strip .wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

.trust-strip span.label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--grey-500);
  white-space: nowrap;
}

.trust-strip .channels {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.channel-pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 0.85rem;
  color: var(--grey-300);
}

/* Services */

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--navy-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
  border-color: rgba(23, 105, 255, 0.5);
  transform: translateY(-3px);
}

.service-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(23, 105, 255, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--blue-light);
}

.service-card p {
  margin-bottom: 0;
}

/* Approach / process */

.approach {
  background: var(--navy-panel);
}

.approach-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: 36px;
  border-top: 2px solid var(--border);
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: -14px;
  left: 0;
  background: var(--navy-panel);
  color: var(--blue-light);
  font-weight: 700;
  font-size: 0.9rem;
  padding-right: 10px;
}

.step h3 {
  margin-bottom: 10px;
}

.step p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.about-card {
  background: var(--navy-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.about-badge {
  display: inline-block;
  background: rgba(23, 105, 255, 0.14);
  color: var(--blue-light);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.about-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.about-list li {
  display: flex;
  gap: 12px;
  color: var(--grey-300);
  font-size: 0.95rem;
}

.about-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--blue);
  flex: none;
}

/* Contact */

.contact-panel {
  background: linear-gradient(135deg, var(--navy-panel-light), var(--navy-panel));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.contact-details {
  display: grid;
  gap: 20px;
}

.contact-detail strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--grey-500);
  margin-bottom: 6px;
}

.contact-detail a,
.contact-detail span {
  font-size: 1.05rem;
  color: var(--white);
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form label {
  font-size: 0.85rem;
  color: var(--grey-500);
  margin-bottom: 6px;
  display: block;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--white);
  font-family: inherit;
  font-size: 0.95rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue);
}

.contact-form textarea {
  min-height: 110px;
  resize: vertical;
}

.form-note {
  font-size: 0.8rem;
  color: var(--grey-500);
  margin-top: 4px;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-success {
  font-size: 1rem;
  color: var(--white);
  background: rgba(23, 105, 255, 0.14);
  border: 1px solid rgba(23, 105, 255, 0.3);
  border-radius: 10px;
  padding: 20px;
  margin: 0;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-inner .logo-mark {
  height: 28px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--grey-500);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--white);
}

.copyright {
  color: var(--grey-500);
  font-size: 0.85rem;
}

/* Responsive */

@media (max-width: 860px) {
  .about-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .approach-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    padding: 40px 28px;
  }
}

@media (max-width: 720px) {
  .main-nav {
    position: fixed;
    inset: 72px 16px auto 16px;
    background: var(--navy-panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 20px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .header-cta .btn {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .approach-steps {
    grid-template-columns: 1fr;
  }

  section {
    padding: 72px 0;
  }
}