/* ============================================================
   Tags Development Solutions Static Website
   ============================================================ */

:root {
  --navy: #12384f;
  --blue: #1f6f9f;
  --blue-dark: #15597f;
  --light-blue: #eaf5fb;
  --pale-blue: #f7fbfd;
  --text: #1f2933;
  --muted: #516678;
  --border: #d7e5ed;
  --white: #ffffff;
  --shadow: 0 16px 40px rgba(18, 56, 79, 0.12);
  --radius-lg: 22px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.narrow-container {
  max-width: 880px;
}

/* ============================================================
   Header
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: 260px;
  max-width: 42vw;
  height: auto;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--blue), var(--navy));
  color: var(--white);
  font-size: 25px;
  font-weight: 800;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  color: var(--navy);
  font-size: 18px;
  font-weight: 800;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.main-nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
  font-size: 15px;
}

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

.nav-button {
  background: var(--blue);
  color: var(--white) !important;
  padding: 10px 16px;
  border-radius: 999px;
}

.nav-button:hover {
  background: var(--blue-dark);
}

/* ============================================================
   Buttons
   ============================================================ */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

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

.primary-button {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 10px 22px rgba(31, 111, 159, 0.25);
}

.primary-button:hover {
  background: var(--blue-dark);
}

.secondary-button {
  background: var(--white);
  color: var(--blue);
  border: 1px solid var(--blue);
}

/* ============================================================
   Hero
   ============================================================ */

.hero-section {
  padding: 84px 0 70px;
  background:
    radial-gradient(circle at top right, rgba(31, 111, 159, 0.16), transparent 34%),
    linear-gradient(135deg, #f6fbfe, #ffffff 48%, #edf7fc);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  gap: 48px;
  align-items: start;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-content h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(42px, 6vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero-lead {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
}

.hero-card-header {
  color: var(--navy);
  font-size: 20px;
  font-weight: 900;
  margin-bottom: 18px;
}

.mini-app-card {
  border: 1px solid var(--border);
  background: var(--pale-blue);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 14px;
}

.mini-app-card strong {
  display: block;
  color: var(--navy);
  font-size: 19px;
}

.mini-app-card span {
  color: var(--muted);
}

.hero-card-note {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

/* ============================================================
   General Sections
   ============================================================ */

.section {
  padding: 78px 0;
}

.intro-section {
  background: var(--white);
}

.section-heading {
  max-width: 800px;
  margin-bottom: 34px;
}

.section-heading h2,
.narrow-container h2,
.about-grid h2,
.contact-card h2 {
  margin: 0 0 16px;
  color: var(--navy);
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.section-heading p,
.narrow-container p,
.about-grid p {
  color: var(--muted);
  font-size: 18px;
}

/* ============================================================
   Apps
   ============================================================ */

.apps-section {
  background: var(--pale-blue);
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.app-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 10px 26px rgba(18, 56, 79, 0.08);
}

.featured-card {
  border-top: 6px solid var(--blue);
}

.app-card-topline {
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.app-card h3 {
  margin: 0 0 14px;
  color: var(--navy);
  font-size: 34px;
  letter-spacing: -0.03em;
}

.app-summary {
  color: var(--muted);
  font-size: 17px;
}

.feature-list {
  display: grid;
  gap: 12px;
  margin: 24px 0;
}

.feature-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  color: var(--text);
}

.checkmark {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  background: var(--light-blue);
  color: var(--blue);
  font-weight: 900;
  line-height: 1;
}

.app-detail-box {
  background: var(--pale-blue);
  border-left: 5px solid var(--blue);
  border-radius: 12px;
  padding: 20px;
}

.app-detail-box h4 {
  margin: 0 0 8px;
  color: var(--navy);
  font-size: 18px;
}

.app-detail-box p {
  margin: 0;
  color: var(--muted);
}

/* ============================================================
   Services
   ============================================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.service-card h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 20px;
}

.service-card p {
  margin: 0;
  color: var(--muted);
}

/* ============================================================
   Process
   ============================================================ */

.process-section {
  background: linear-gradient(135deg, var(--navy), #0d2b3f);
  color: var(--white);
}

.process-section .section-heading h2,
.process-section .eyebrow {
  color: var(--white);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.process-step {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  padding: 26px;
}

.step-number {
  color: #9ed3ef;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.process-step h3 {
  margin: 12px 0 10px;
  font-size: 22px;
}

.process-step p {
  margin: 0;
  color: #d7eaf5;
}

/* ============================================================
   About
   ============================================================ */

.about-section {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 48px;
  align-items: start;
}

/* ============================================================
   Contact
   ============================================================ */

.contact-section {
  padding: 70px 0;
  background: var(--pale-blue);
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: 30px;
  align-items: center;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 42px;
  box-shadow: var(--shadow);
}

.light-eyebrow {
  color: #9ed3ef;
}

.contact-card h2 {
  color: var(--white);
}

.contact-card p {
  color: #d7eaf5;
  font-size: 18px;
}

.contact-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.contact-button {
  background: var(--white);
  color: var(--navy);
}

.contact-email {
  color: #d7eaf5;
}

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--white);
}

.footer-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.footer-inner a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 700;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 960px) {
  .hero-grid,
  .app-grid,
  .about-grid,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 700px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 0;
  }

  .brand-logo {
    width: 220px;
    max-width: 85vw;
  }

  .main-nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero-section {
    padding: 56px 0;
  }

  .hero-content h1 {
    font-size: 42px;
  }

  .hero-lead {
    font-size: 18px;
  }

  .section {
    padding: 56px 0;
  }

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

  .app-card,
  .contact-card {
    padding: 26px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 22px 0;
  }
}