/* 
   24 Digital Unicorn Co. - Unified Stylesheet
   Brand Primary: #0E5063 (Deep Teal-Blue)
   Neutral Palette: White, Light Gray, Soft Off-white
*/

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;900&display=swap');

/* --- Custom Variables & Tokens --- */
:root {
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --color-primary: #0E5063;
  --color-primary-rgb: 14, 80, 99;
  --color-primary-hover: #08303C;
  --color-accent: #E2B237; /* Subtle elegant gold accent */
  --color-accent-light: rgba(226, 178, 55, 0.15);
  
  --color-text-dark: #0F172A;
  --color-text-body: #334155;
  --color-text-muted: #64748B;
  
  --color-bg-white: #FFFFFF;
  --color-bg-light: #F8FAFC;
  --color-bg-softer: #F1F5F9;
  --color-border: #E2E8F0;
  --color-border-hover: #CBD5E1;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-premium: 0 20px 25px -5px rgba(14, 80, 99, 0.05), 0 8px 10px -6px rgba(14, 80, 99, 0.05);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  --container-width: 1200px;
  --header-height: 80px;
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-body);
  background-color: var(--color-bg-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Layout Containers --- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-right: auto;
  margin-left: auto;
  padding-right: 24px;
  padding-left: 24px;
}

section {
  padding: 80px 0;
}

.section-bg-light {
  background-color: var(--color-bg-light);
}

.section-bg-dark {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-text-dark);
  font-weight: 700;
  line-height: 1.25;
}

h1 {
  font-size: 2.75rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.25rem;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

h4 {
  font-size: 1.15rem;
}

p {
  margin-bottom: 16px;
}

p.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
}

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

.max-w-xl {
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

/* --- Buttons & Links --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-bg-white) !important;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(14, 80, 99, 0.2);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-text-dark) !important;
}

.btn-outline:hover {
  background-color: var(--color-bg-light);
  border-color: var(--color-text-muted);
  transform: translateY(-2px);
}

.btn-light {
  background-color: var(--color-bg-white);
  color: var(--color-primary) !important;
}

.btn-light:hover {
  background-color: var(--color-bg-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

.btn-block {
  display: flex;
  width: 100%;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-family: var(--font-heading);
  gap: 6px;
  font-size: 0.95rem;
  margin-top: auto;
}

.link-arrow::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.link-arrow:hover::after {
  transform: translateX(4px);
}

/* --- Navigation Header --- */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.header.scrolled {
  background-color: var(--color-bg-white);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 32px;
}

.nav-link {
  font-weight: 500;
  color: var(--color-text-body);
  font-size: 0.95rem;
  position: relative;
  padding: 6px 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
}

/* Hamburger Toggle Button */
.burger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}

.burger-icon {
  position: relative;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  display: block;
  transition: background var(--transition-fast);
}

.burger-icon::before,
.burger-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  left: 0;
  transition: transform var(--transition-fast), top var(--transition-fast);
}

.burger-icon::before { top: -6px; }
.burger-icon::after { top: 6px; }

.burger-btn.active .burger-icon {
  background: transparent;
}
.burger-btn.active .burger-icon::before {
  top: 0;
  transform: rotate(45deg);
}
.burger-btn.active .burger-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

/* --- Hero Section --- */
.hero-sec {
  position: relative;
  padding: 100px 0 120px 0;
  background: linear-gradient(135deg, rgba(14, 80, 99, 0.02) 0%, rgba(14, 80, 99, 0.08) 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 48px;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 24px;
  line-height: 1.15;
}

.hero-content p {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--color-text-body);
  margin-bottom: 32px;
}

.hero-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-blob {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(14, 80, 99, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
  z-index: -1;
  border-radius: var(--radius-full);
}

.hero-img-wrap {
  width: 100%;
  max-width: 380px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-premium);
  background-color: var(--color-bg-white);
  padding: 24px;
  border: 1px solid var(--color-border);
}

.hero-img-wrap img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
}

/* --- What We Do Section --- */
.section-header {
  margin-bottom: 56px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--color-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-premium);
  border-color: var(--color-border-hover);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 52px;
  height: 52px;
  background-color: rgba(14, 80, 99, 0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 24px;
  font-size: 1.35rem;
}

.card h3 {
  color: var(--color-text-dark);
  font-size: 1.35rem;
  margin-bottom: 16px;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

/* --- Why Choose Us Section --- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
}

.why-bullets {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.bullet-item {
  display: flex;
  gap: 20px;
}

.bullet-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9rem;
}

.bullet-content h4 {
  font-size: 1.2rem;
  color: var(--color-text-dark);
  margin-bottom: 8px;
}

.bullet-content p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* --- FAQ Section --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
}

.faq-question {
  padding: 20px 24px;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon-toggle {
  position: relative;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-icon-toggle::before,
.faq-icon-toggle::after {
  content: '';
  position: absolute;
  background-color: var(--color-primary);
  transition: transform var(--transition-normal);
}

/* Horizontal line */
.faq-icon-toggle::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

/* Vertical line */
.faq-icon-toggle::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.faq-item[open] .faq-icon-toggle::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-item[open] .faq-icon-toggle::before {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px 20px 24px;
  color: var(--color-text-body);
  font-size: 0.95rem;
  line-height: 1.6;
  border-top: 1px solid transparent;
  transition: border-top var(--transition-fast);
}

.faq-item[open] .faq-answer {
  border-top-color: var(--color-border);
}

/* --- Closing CTA Banner --- */
.cta-sec {
  padding: 90px 0;
  background: radial-gradient(circle at top right, rgba(14, 80, 99, 0.95), rgba(8, 48, 60, 1)), var(--color-primary);
  color: var(--color-bg-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-sec h2 {
  color: var(--color-bg-white);
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-sec p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.15rem;
  margin-bottom: 32px;
}

/* --- Services Page Header --- */
.page-header {
  padding: 100px 0 70px 0;
  background: linear-gradient(180deg, rgba(14, 80, 99, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}

/* --- Detailed Services Section --- */
.services-list-container {
  padding: 60px 0;
}

.service-detail-item {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: flex-start;
  padding: 80px 0;
  border-bottom: 1px solid var(--color-border);
}

.service-detail-item:last-child {
  border-bottom: none;
  padding-bottom: 20px;
}

.service-detail-item:nth-child(even) {
  direction: rtl; /* Flip columns for alternation */
}

.service-detail-item:nth-child(even) .service-content-col,
.service-detail-item:nth-child(even) .service-features-col {
  direction: ltr; /* Reset text direction for readability */
}

.service-content-col h2 {
  color: var(--color-primary);
  font-size: 2.15rem;
  margin-bottom: 20px;
}

.service-content-col p {
  font-size: 1.05rem;
  color: var(--color-text-body);
  line-height: 1.7;
}

.service-features-col {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
}

.service-features-col h4 {
  font-size: 1.1rem;
  color: var(--color-text-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 8px;
  display: inline-block;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--color-text-body);
}

.features-list li::before {
  content: "✓";
  color: var(--color-primary);
  font-weight: bold;
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- Contact Us Layout --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: flex-start;
}

/* Form Styling */
.contact-form-wrapper {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-dark);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text-dark);
  background-color: var(--color-bg-light);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-bg-white);
  box-shadow: 0 0 0 3px rgba(14, 80, 99, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 150px;
}

/* Contact Info Column */
.contact-info-col {
  padding: 20px 0;
}

.info-cards {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-bottom: 40px;
}

.info-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.info-card-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(14, 80, 99, 0.08);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.info-card-detail h4 {
  font-size: 1.1rem;
  color: var(--color-text-dark);
  margin-bottom: 6px;
}

.info-card-detail p,
.info-card-detail a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0;
}

.info-card-detail a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.response-note {
  background-color: var(--color-bg-light);
  border-left: 4px solid var(--color-accent);
  padding: 16px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.response-note p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-dark);
  font-weight: 500;
}

/* --- Consistent Footer --- */
.footer {
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  padding: 70px 0 40px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo-area {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.footer-logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.footer-logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin: 0;
}

.footer-links-area {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 20px;
}

.footer-nav {
  display: flex;
  list-style: none;
  gap: 24px;
  padding: 0;
  margin: 0;
}

.footer-nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-body);
}

.footer-nav-link:hover {
  color: var(--color-primary);
}

.footer-email-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary);
}

.footer-email-link:hover {
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- Responsive Media Queries (Mobile-first design) --- */

@media (max-width: 1024px) {
  h1 { font-size: 2.5rem; }
  .hero-content h1 { font-size: 3rem; }
  .why-grid { gap: 40px; }
  .service-detail-item { gap: 40px; }
}

@media (max-width: 768px) {
  section { padding: 60px 0; }
  
  /* Navbar adjustments */
  .burger-btn {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-bg-white);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 60px 24px;
    gap: 32px;
    border-top: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
    z-index: 999;
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-menu .nav-link {
    font-size: 1.25rem;
    font-family: var(--font-heading);
    font-weight: 600;
  }
  
  .nav-menu .nav-cta {
    margin-top: 16px;
    width: 100%;
    max-width: 280px;
  }
  
  .nav-menu .nav-cta .btn {
    width: 100%;
  }

  /* Grid collapsing */
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .hero-visual {
    order: -1; /* Place image on top on mobile */
  }
  
  .hero-img-wrap {
    max-width: 280px;
    padding: 16px;
  }
  
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .why-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .service-detail-item {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0;
  }
  
  .service-detail-item:nth-child(even) {
    direction: ltr; /* Reset alternated flex order for mobile */
  }
  
  .service-content-col h2 {
    font-size: 1.8rem;
  }
  
  .service-features-col {
    padding: 24px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .contact-form-wrapper {
    padding: 24px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  
  .footer-logo-area {
    align-items: center;
  }
  
  .footer-links-area {
    align-items: center;
  }
  
  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}