/* ==========================================================================
   DEV DANA SOFTWARE - MAIN STYLESHEET
   Futuristic, High-Performance, Mobile-First CSS Architecture
   ========================================================================== */

:root {
  /* Futuristic Dev Dana Core Palette */
  --bg-primary: #050a14;
  --bg-secondary: #0a1426;
  --bg-card: rgba(13, 27, 49, 0.7);
  --bg-card-hover: rgba(20, 39, 70, 0.85);
  --border-glow: rgba(0, 210, 255, 0.25);
  --border-glow-hover: rgba(0, 210, 255, 0.6);
  
  --accent-cyan: #00d2ff;
  --accent-blue: #0070f3;
  --accent-purple: #7928ca;
  --text-main: #f0f6fc;
  --text-muted: #8b9bb4;
  --text-dim: #5c6b84;

  /* Scuba Sign Brand Accents (Paperless, High-Tech Dive Security) */
  --scuba-crimson: #e63946;
  --scuba-crimson-glow: rgba(230, 57, 70, 0.4);
  --scuba-card-bg: rgba(26, 15, 23, 0.75);
  --scuba-border: rgba(230, 57, 70, 0.3);

  /* Fins Tribe Brand Accents (Marine Conservation & Bioluminescence) */
  --fins-emerald: #10b981;
  --fins-cyan: #06b6d4;
  --fins-glow: rgba(16, 185, 129, 0.35);
  --fins-card-bg: rgba(7, 30, 26, 0.75);
  --fins-border: rgba(16, 185, 129, 0.3);

  /* Typography & Geometry */
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, #0d213f 0%, #050a14 50%, #02050a 100%);
  background-attachment: fixed;
}

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

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

a:hover {
  color: #fff;
}

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* Futuristic Cyber Grid Overlay */
.cyber-grid-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(to right, rgba(0, 210, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 210, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* Container Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  position: relative;
  z-index: 1;
}

/* Navigation Bar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(5, 10, 20, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 210, 255, 0.15);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(4, 8, 16, 0.95);
  border-bottom-color: rgba(0, 210, 255, 0.3);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: #fff;
}

.brand-logo img {
  height: 44px;
  width: auto;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 210, 255, 0.3);
  box-shadow: 0 0 15px rgba(0, 210, 255, 0.2);
}

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

.brand-name .title {
  background: linear-gradient(135deg, #fff, #90cdf4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.05rem;
}

.brand-name .sub {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.925rem;
  font-weight: 500;
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  transition: width var(--transition-normal);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #0070f3, #00d2ff);
  color: #fff;
  font-weight: 600;
  font-size: 0.875rem;
  box-shadow: 0 0 20px rgba(0, 210, 255, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 210, 255, 0.6);
  color: #fff;
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #fff;
  margin: 5px 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #0052cc, #00d2ff);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 210, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 210, 255, 0.55);
  color: #fff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid rgba(0, 210, 255, 0.25);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(0, 210, 255, 0.1);
  border-color: var(--accent-cyan);
  color: #fff;
  transform: translateY(-2px);
}

.btn-scuba {
  background: linear-gradient(135deg, #b91c1c, #e63946);
  color: #fff;
  box-shadow: 0 4px 20px var(--scuba-crimson-glow);
}

.btn-scuba:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(230, 57, 70, 0.6);
  color: #fff;
}

.btn-fins {
  background: linear-gradient(135deg, #059669, #10b981);
  color: #fff;
  box-shadow: 0 4px 20px var(--fins-glow);
}

.btn-fins:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(16, 185, 129, 0.6);
  color: #fff;
}

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.badge-tech {
  background: rgba(0, 210, 255, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 210, 255, 0.3);
}

.badge-scuba {
  background: rgba(230, 57, 70, 0.15);
  color: #ff6b6b;
  border: 1px solid rgba(230, 57, 70, 0.4);
}

.badge-fins {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-us {
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Section Common Styling */
section {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin: 0.75rem 0 1rem;
  color: #fff;
}

.section-title span.glow {
  background: linear-gradient(135deg, #00d2ff, #38bdf8, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* HERO SECTION */
.hero-section {
  padding: 4.5rem 0 5rem;
  overflow: hidden;
  position: relative;
}

.hero-glow-blob {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.15) 0%, rgba(121, 40, 202, 0.05) 50%, transparent 70%);
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.hero-tagline {
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
  color: #ffffff;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #ffffff 0%, #00d2ff 60%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.25rem;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3.5rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 1rem;
}

.metric-card {
  background: rgba(13, 27, 49, 0.5);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 210, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: center;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.metric-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 210, 255, 0.4);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.metric-card .icon {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
  display: inline-block;
}

.metric-card .value {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.metric-card .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* PROPRIETARY APPS SECTION */
.ecosystem-section {
  background: linear-gradient(180deg, transparent 0%, rgba(10, 20, 38, 0.6) 50%, transparent 100%);
  position: relative;
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.app-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glow);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
}

.app-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.app-card.scuba-card {
  background: var(--scuba-card-bg);
  border-color: var(--scuba-border);
}

.app-card.scuba-card::before {
  background: linear-gradient(90deg, #e63946, #ffffff, #e63946);
}

.app-card.scuba-card:hover {
  border-color: rgba(230, 57, 70, 0.6);
  box-shadow: 0 20px 45px rgba(230, 57, 70, 0.15);
}

.app-card.fins-card {
  background: var(--fins-card-bg);
  border-color: var(--fins-border);
}

.app-card.fins-card::before {
  background: linear-gradient(90deg, #10b981, #06b6d4, #10b981);
}

.app-card.fins-card:hover {
  border-color: rgba(16, 185, 129, 0.6);
  box-shadow: 0 20px 45px rgba(16, 185, 129, 0.15);
}

.app-media {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.app-logo-wrapper {
  position: relative;
  max-width: 340px;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform var(--transition-normal);
}

.app-card:hover .app-logo-wrapper {
  transform: scale(1.02);
}

.app-logo-wrapper img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.app-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.app-header-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.app-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.2;
}

.app-lead {
  font-size: 1.05rem;
  color: var(--text-main);
  font-weight: 500;
}

.app-feature-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin: 0.5rem 0;
}

.app-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.app-feature-item svg {
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.scuba-card .app-feature-item svg {
  color: #ff6b6b;
}

.fins-card .app-feature-item svg {
  color: #34d399;
}

.pricing-pill-banner {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 700;
}

.scuba-card .pricing-pill-banner {
  background: rgba(230, 57, 70, 0.15);
  border: 1px solid rgba(230, 57, 70, 0.35);
  color: #ff8a8a;
}

.fins-card .pricing-pill-banner {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #6ee7b7;
}

.app-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

/* SERVICES GRID */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal), background-color var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow-hover);
  background-color: var(--bg-card-hover);
  box-shadow: 0 15px 30px rgba(0, 210, 255, 0.1);
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tech-chip {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.05);
  color: #cbd5e1;
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* TRUST SECTION */
.trust-section {
  background: radial-gradient(circle at 50% 50%, rgba(0, 210, 255, 0.05) 0%, transparent 60%);
}

.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.trust-item {
  background: rgba(10, 20, 38, 0.7);
  border: 1px solid rgba(0, 210, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.trust-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 112, 243, 0.15);
  border: 1px solid rgba(0, 112, 243, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.trust-item h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.4rem;
}

.trust-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* CONTACT SECTION */
.contact-section {
  position: relative;
}

.contact-wrapper {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.contact-info p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.contact-direct-card {
  background: rgba(0, 210, 255, 0.05);
  border: 1px solid rgba(0, 210, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-direct-card .icon-bubble {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 210, 255, 0.2);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-direct-card .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-direct-card .email-link {
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.contact-direct-card .email-link:hover {
  color: var(--accent-cyan);
}

.contact-features {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.contact-feat {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-feat svg {
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: #e2e8f0;
}

.form-control {
  width: 100%;
  background: rgba(6, 13, 26, 0.8);
  border: 1px solid rgba(0, 210, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(0, 210, 255, 0.3);
}

.form-control::placeholder {
  color: var(--text-dim);
}

select.form-control {
  cursor: pointer;
}

select.form-control option {
  background-color: var(--bg-secondary);
  color: #fff;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}

.form-alert.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #6ee7b7;
}

.form-alert.error {
  display: block;
  background: rgba(230, 57, 70, 0.15);
  border: 1px solid rgba(230, 57, 70, 0.4);
  color: #fca5a5;
}

/* FOOTER */
.site-footer {
  background: #02060d;
  border-top: 1px solid rgba(0, 210, 255, 0.15);
  padding: 4.5rem 0 2rem;
  position: relative;
  z-index: 1;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-logo-row img {
  height: 48px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 210, 255, 0.3);
}

.footer-brand-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 360px;
}

.footer-links-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.footer-links-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links-col a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.footer-links-col a:hover {
  color: var(--accent-cyan);
  transform: translateX(3px);
}

.social-icons-wrapper {
  display: flex;
  gap: 0.85rem;
  margin-top: 0.5rem;
}

.social-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-normal);
}

.social-btn:hover {
  background: rgba(0, 210, 255, 0.15);
  border-color: var(--accent-cyan);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
}

.social-btn .tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 20, 38, 0.95);
  border: 1px solid rgba(0, 210, 255, 0.3);
  color: #fff;
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.social-btn:hover .tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-bottom .us-flag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* MEDIA QUERIES */
@media (min-width: 768px) {
  .hero-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

  .contact-wrapper {
    grid-template-columns: 1fr 1.2fr;
    padding: 3rem 2.5rem;
  }

  .footer-top-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .app-card {
    grid-template-columns: 340px 1fr;
    padding: 3rem;
    gap: 3rem;
  }

  .app-card.reverse {
    grid-template-columns: 1fr 340px;
  }

  .app-card.reverse .app-media {
    order: 2;
  }

  .app-card.reverse .app-info {
    order: 1;
  }

  .app-feature-list {
    grid-template-columns: 1fr 1fr;
  }

  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 767px) {
  .mobile-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(5, 10, 20, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.25rem;
    border-bottom: 1px solid rgba(0, 210, 255, 0.2);
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
  }

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

  .nav-cta {
    width: 100%;
    justify-content: center;
  }
}