/* ============================================================
   SmartIntro — Consolidated Stylesheet
   Replaces Bootstrap, AOS, and all per-page CSS files.
   ============================================================ */

/* ------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   ------------------------------------------------------------ */
:root {
  --color-green: #8AC43F;
  --color-blue: #3F88C5;
  --color-dark: #1C1D21;
  --color-text: #303239;
  --color-light: #F8F8FF;
  --color-white: #FFFFFF;
  --color-gray: #E8E8E8;
  --color-muted: #6c757d;

  --gradient-brand: linear-gradient(135deg, #8AC43F, #40e495, #30dd8a, #3F88C5);
  --gradient-btn: linear-gradient(to right, #8AC43F, #40e495, #30dd8a, #3F88C5);
  --gradient-overlay: linear-gradient(180deg, rgba(28,29,33,0.55) 0%, rgba(28,29,33,0.8) 100%);

  --font-family: 'Mukta', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --radius-pill: 50px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);

  --container-max: 1200px;
  --navbar-height: 64px;
  --section-padding: 5rem;

  --transition-fast: 0.2s ease;
  --transition-base: 0.35s ease;
}

/* ------------------------------------------------------------
   2. Modern CSS Reset
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, video, svg { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; color: inherit; }
table { border-collapse: collapse; border-spacing: 0; }

/* ------------------------------------------------------------
   3. @font-face — Mukta
   ------------------------------------------------------------ */
@font-face {
  font-family: 'Mukta';
  src: url('../font/Mukta-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Mukta';
  src: url('../font/Mukta-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Mukta';
  src: url('../font/Mukta-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Mukta';
  src: url('../font/Mukta-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ------------------------------------------------------------
   4. Base Typography & Document
   ------------------------------------------------------------ */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1 { font-size: 2rem;   font-weight: 700; line-height: 1.2; }
h2 { font-size: 1.75rem; font-weight: 600; line-height: 1.25; }
h3 { font-size: 1.5rem;  font-weight: 600; line-height: 1.3; }
h4 { font-size: 1.25rem; font-weight: 500; line-height: 1.35; }

a { color: var(--color-blue); text-decoration: none; transition: color var(--transition-fast); }
a:hover { text-decoration: underline; }

p + p { margin-top: 1em; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--color-light); border-radius: 10px; }
::-webkit-scrollbar-thumb { background: var(--gradient-brand); border-radius: 10px; }

/* ------------------------------------------------------------
   5. Layout Utilities
   ------------------------------------------------------------ */
.container { width: 100%; max-width: var(--container-max); margin-inline: auto; padding-inline: 1.25rem; }

.grid-2, .grid-3, .grid-4, .grid-5 { display: grid; gap: 1.5rem; }
.grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
.grid-5 { grid-template-columns: repeat(2, 1fr); }

.section     { padding: var(--section-padding) 0; }
.section-dark { background-color: var(--color-dark); color: var(--color-light); }
.section-dark a { color: var(--color-gray); }

.text-center { text-align: center; }
.text-muted  { color: var(--color-muted); }
.text-white  { color: var(--color-light); }
.v-center    { display: flex; align-items: center; }
.center-block { display: block; margin-inline: auto; }
.no-padding  { padding: 0; }
.no-margin   { margin: 0; }

.split-layout { display: flex; flex-direction: column; align-items: center; gap: 2rem; }

/* ------------------------------------------------------------
   6. Navbar
   ------------------------------------------------------------ */
.navbar {
  position: fixed;
  top: 6px; left: 6px; right: 6px;
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0.35rem 1.25rem;
  background: rgba(248,248,255,0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-base);
}
.navbar:hover { background: rgba(248,248,255,0.94); }

.navbar-inner {
  display: flex;
  align-items: center;
  width: 100%;
}

.navbar-brand { flex-shrink: 0; display: flex; }
.navbar-logo { width: 40px; cursor: pointer; }

.nav-menu {
  display: none;
  flex: 1;
  justify-content: center;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.nav-link:hover { color: var(--color-green); text-decoration: none; }
.nav-link.active {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}

.lang-switch {
  padding: 0.3rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-white);
  background: var(--color-green);
  border-radius: var(--radius-pill);
  text-decoration: none;
  margin-left: 0.5rem;
  flex-shrink: 0;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.lang-switch:hover { background: var(--color-blue); text-decoration: none; transform: scale(1.05); }

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

/* Open state toggled by JS via .nav-open on .navbar */
.navbar.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.navbar.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile: nav-menu becomes a dropdown */
.navbar.nav-open .nav-menu {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: calc(var(--navbar-height) + 12px);
  left: 6px;
  right: 6px;
  background: rgba(248,248,255,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 1rem 0;
  z-index: 999;
}
.navbar.nav-open .nav-menu .nav-link {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border-bottom: none;
}
.navbar.nav-open .nav-menu .nav-link:hover { background: rgba(138,196,63,0.08); }
.navbar.nav-open .nav-menu .lang-switch { margin: 0.75rem 1.5rem; text-align: center; }

/* ------------------------------------------------------------
   7. Footer
   ------------------------------------------------------------ */
.page-footer { background-color: var(--color-dark); color: var(--color-gray); padding: 3rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; padding-bottom: 2rem; }
.footer-grid h4 { color: var(--color-light); margin-bottom: 1rem; }
.footer-grid a { color: var(--color-gray); display: block; padding: 0.25rem 0; font-size: 0.9rem; }
.footer-grid a:hover { color: var(--color-light); text-decoration: none; }

.social-links { display: flex; gap: 1rem; margin-top: 0.75rem; }
.social-links img { width: 20px; height: 20px; opacity: 0.7; transition: opacity var(--transition-fast); }
.social-links img:hover { opacity: 1; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); text-align: center; padding: 1.25rem 0; font-size: 0.85rem; color: rgba(255,255,255,0.5); }

/* ------------------------------------------------------------
   8. Hero Section
   ------------------------------------------------------------ */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--color-light); overflow: hidden; background-size: cover; background-position: center; background-repeat: no-repeat; }
.hero-overlay { position: absolute; inset: 0; background: var(--gradient-overlay); z-index: 0; }
.hero-content { position: relative; z-index: 1; max-width: 720px; padding: 2rem 1.25rem; }
.hero-watermark { max-width: 80%; margin: 0 auto 1.5rem; display: block; }
.hero-content h1 { font-size: 2.5rem; font-weight: 700; margin-bottom: 1rem; }
.hero-content .subtitle { font-size: 1.25rem; font-weight: 400; opacity: 0.9; margin-bottom: 2rem; }

/* ------------------------------------------------------------
   9. Buttons
   ------------------------------------------------------------ */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.7rem 2rem; font-size: 1rem; font-weight: 600; border: none; border-radius: var(--radius-pill); cursor: pointer; text-decoration: none; transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast); }
.btn:hover { text-decoration: none; transform: translateY(-2px); }

.btn-primary { color: var(--color-white); background: var(--gradient-btn); background-size: 300% 100%; box-shadow: 0 4px 15px rgba(138,196,63,0.35); animation: gradient-shift 5s ease infinite; }
.btn-primary:hover { box-shadow: 0 6px 24px rgba(138,196,63,0.5); color: var(--color-white); }

.btn-secondary { color: var(--color-green); background: transparent; border: 2px solid var(--color-green); }
.btn-secondary:hover { background: var(--color-green); color: var(--color-white); }

.btn-pwa { color: var(--color-white); background: var(--gradient-btn); background-size: 300% 100%; box-shadow: 0 4px 12px rgba(138,196,63,0.3); animation: gradient-shift 5s ease infinite; padding: 0.55rem 1.5rem; font-size: 0.9rem; }

@keyframes gradient-shift {
  0%   { background-position: 0% 0; }
  50%  { background-position: 80% 0; }
  100% { background-position: 0% 0; }
}

/* Badge utilities (carried from existing site) */
.badge-component { background-color: var(--color-green); color: var(--color-light); padding: 0.4em 0.8em; border-radius: var(--radius-pill); font-size: 0.8rem; font-weight: 600; display: inline-block; }
.badge-feature   { background-color: var(--color-blue);  color: var(--color-light); padding: 0.4em 0.8em; border-radius: var(--radius-pill); font-size: 0.8rem; font-weight: 600; display: inline-block; }
.badge-coming-soon { font-size: 0.75rem; padding: 0.5em 0.85em; border-radius: var(--radius-pill); background: var(--color-muted); color: var(--color-light); display: inline-block; }

/* ------------------------------------------------------------
   10. Component Cards (Home + Components page)
   ------------------------------------------------------------ */
.component-box, .feature-box { position: relative; background: var(--color-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 1.5rem; text-align: center; transition: transform var(--transition-base), box-shadow var(--transition-base); }
.component-box:hover, .feature-box:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.component-box img.component, .component-box img.feature, .feature-box img.feature { width: 80px; height: 80px; margin: 1rem auto 0.75rem; }
.component-box p, .feature-box p { font-size: 0.9rem; line-height: 1.7; color: var(--color-muted); }

/* ------------------------------------------------------------
   11. Feature Cards (alternating layout)
   ------------------------------------------------------------ */
.feature-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 2rem 0;
}
.feature-row .feature-icon { width: 90px; height: 90px; }
.feature-row .feature-info { max-width: 600px; }
.feature-row .feature-info h3 { margin-bottom: 0.5rem; }

.feature-action-description { line-height: 2; text-align: left; max-width: 280px; }

/* Component detail row */
.component-row {
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  background: var(--color-white);
}

/* ------------------------------------------------------------
   12. Full-Section Backgrounds (parallax-like)
   ------------------------------------------------------------ */
.full-bg-section { position: relative; min-height: 600px; display: flex; align-items: center; background-size: cover; background-position: center; color: var(--color-light); overflow: hidden; }
.full-bg-section::before { content: ''; position: absolute; inset: 0; background: rgba(28,29,33,0.55); }
.full-bg-section > * { position: relative; z-index: 1; }
.full-bg-section .section-title { font-size: 2.5rem; font-weight: 600; padding: 0 2rem 0.75rem; text-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.full-bg-section .section-text { font-size: 1.25rem; padding: 0 2rem; max-width: 700px; }

/* Background variants */
.background-light     { background-image: url('../img/components/backgrounds/light_bckg.jpg'); }
.background-shutter   { background-image: url('../img/components/backgrounds/shutter_bckg.jpg'); }
.background-thermostat{ background-image: url('../img/components/backgrounds/thermostat_bckg.jpg'); }
.background-socket    { background-image: url('../img/components/backgrounds/socket_bckg.jpg'); }
.background-camera    { background-image: url('../img/components/backgrounds/camera_bckg.jpg'); }
.background-control   { background-image: url('../img/features/backgrounds/control-bckg.jpg'); }
.background-energy    { background-image: url('../img/features/backgrounds/energy-bckg.jpg'); }

/* Legacy component/feature description overlays */
.component-description,
.feature-description {
  text-align: left;
  color: var(--color-light);
  text-shadow: 0 0 5px rgba(0,0,0,0.5);
}
.component-title,
.feature-title {
  font-size: 2.5rem;
  font-weight: 600;
  padding: 0 2rem 0.75rem;
}
.component-text,
.feature-text {
  font-size: 1.25rem;
  padding: 0 2rem;
}

/* ------------------------------------------------------------
   13. About Page
   ------------------------------------------------------------ */
.about-card { background: var(--color-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 2rem 1.5rem; text-align: center; transition: transform var(--transition-base), box-shadow var(--transition-base); }
.about-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.about-card img { width: 64px; height: 64px; margin-bottom: 1rem; }
.about-card h3  { margin-bottom: 0.75rem; }

.box { background: var(--color-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 1.25rem; max-width: 512px; margin-bottom: 0.75rem; }
.box-img { width: 80px; height: 80px; margin: 1rem 0 0.75rem; }

/* ------------------------------------------------------------
   14. Contact Page
   ------------------------------------------------------------ */
.contact-info-row { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: center; margin-bottom: 2rem; }
.contact-card { display: flex; align-items: center; gap: 0.75rem; font-size: 1.1rem; }
.contact-card .icon-img { width: 24px; height: 24px; flex-shrink: 0; }

.send-btn { background: var(--color-green); color: var(--color-light); border: none; border-radius: var(--radius-md); padding: 0.65rem 2rem; font-size: 1rem; font-weight: 600; cursor: pointer; transition: background var(--transition-fast); }
.send-btn:hover { background: #7ab536; }

#map { width: 100%; height: 400px; border-radius: var(--radius-md); border: none; margin-top: 2rem; }

/* ------------------------------------------------------------
   15. Legal Pages (Privacy, Terms)
   ------------------------------------------------------------ */
.legal-content { max-width: 800px; margin-inline: auto; padding: 8rem 1.25rem 4rem; }
.legal-content h2 { font-size: 2rem; margin-bottom: 1.5rem; }
.legal-content h3 { font-size: 1.5rem; margin: 2rem 0 0.75rem; }
.legal-content h4 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }
.legal-content p  { font-size: 1.05rem; margin-bottom: 1.25rem; }
.legal-content ul, .legal-content ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.legal-content li { list-style: disc; margin-bottom: 0.4rem; line-height: 1.6; }
.legal-content ul.releases { list-style-type: circle; padding-left: 1.5rem; }

/* ------------------------------------------------------------
   16. User Management Page
   ------------------------------------------------------------ */
.um-split { display: flex; flex-direction: column; align-items: center; gap: 3rem; padding-top: 6rem; }
.um-split .text-side { max-width: 560px; }
.um-split .text-side h1 { margin-bottom: 0.75rem; }
.um-split .text-side p  { font-size: 1.1rem; line-height: 1.7; }

/* ------------------------------------------------------------
   17. How It Works Page
   ------------------------------------------------------------ */
.hiw-image {
  width: 60%;
  margin-inline: auto;
}

/* ------------------------------------------------------------
   18. Phone Frame
   ------------------------------------------------------------ */
.phone-frame {
  max-width: 280px;
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ------------------------------------------------------------
   19. 404 Page
   ------------------------------------------------------------ */
.page-404 { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 2rem; }
.page-404 .code-404 { font-size: 8rem; font-weight: 700; background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }
.page-404 p { font-size: 1.2rem; margin: 1rem 0 2rem; color: var(--color-muted); }
.page-404 .btn-group { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

/* ------------------------------------------------------------
   19b. Missing classes used by HTML pages
   ------------------------------------------------------------ */

/* Generic card */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.card img.card-icon { width: 80px; height: 80px; margin: 0 auto 0.75rem; display: block; }
.card img.card-icon-sm { width: 52px; height: 52px; margin: 0 auto 0.75rem; display: block; }
.card h3 { margin-bottom: 0.5rem; }
.card p { font-size: 0.9rem; line-height: 1.7; color: var(--color-muted); }
.card a { text-decoration: none; color: inherit; }

.card--icon {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.card--icon:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card--icon img { width: 64px; height: 64px; margin: 0 auto 1rem; display: block; }
.card--icon h3 { margin-bottom: 0.75rem; }

/* Card grid */
.card-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(2, 1fr);
}
.card-grid--2 {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
.card-grid--3 {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

/* Page header — used on inner pages for navbar offset + centered title */
.page-header {
  padding-top: calc(var(--navbar-height) + 4rem);
  padding-bottom: 2rem;
  text-align: center;
}
.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--color-green), var(--color-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-header p {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Section variants */
.section-alt { background-color: var(--color-light); }
.section-title { font-size: 2.25rem; font-weight: 600; margin-bottom: 1rem; }
.section-description { font-size: 1.1rem; color: var(--color-muted); margin-bottom: 2rem; max-width: 600px; margin-inline: auto; }

/* Full-background sections (components detail page) */
.section-fullbg {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  color: var(--color-light);
  overflow: hidden;
}
.section-fullbg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(28, 29, 33, 0.55);
  z-index: 0;
}
.section-fullbg-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  padding: 2rem;
}
.section-fullbg-content h2 { font-size: 2.5rem; font-weight: 700; margin-bottom: 1rem; text-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.section-fullbg-content p { font-size: 1.15rem; line-height: 1.8; text-shadow: 0 1px 4px rgba(0,0,0,0.3); }

/* Feature sections (features detail page) */
.feature-section {
  padding: 4rem 0;
}
.feature-section:nth-child(even) { background-color: var(--color-light); }
.feature-section .container { display: flex; flex-direction: column; align-items: center; gap: 2rem; text-align: center; }
.feature-media { flex-shrink: 0; }
.feature-media img { width: 90px; height: 90px; }
.feature-text { max-width: 600px; }
.feature-text h2 { margin-bottom: 0.75rem; }
.feature-text p { font-size: 1.05rem; line-height: 1.7; color: var(--color-muted); }

/* App section */
.app-section { text-align: center; }
.app-mockup-row { display: flex; justify-content: center; gap: 1.5rem; margin-bottom: 2rem; flex-wrap: wrap; }
.app-mockup { width: 240px; flex-shrink: 0; border-radius: 24px; box-shadow: var(--shadow-lg); }
.app-subtitle { font-size: 1.1rem; color: var(--color-muted); margin-bottom: 1.5rem; }

/* Footer */
.footer {
  background-color: var(--color-dark);
  color: rgba(255,255,255,0.75);
  padding: 3rem 0 0;
}
.footer a { color: rgba(255,255,255,0.65); text-decoration: none; transition: color var(--transition-fast); }
.footer a:hover { color: var(--color-white); text-decoration: none; }
.footer h4 { color: var(--color-white); font-size: 1rem; font-weight: 600; margin-bottom: 0.75rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}
.footer-col { display: flex; flex-direction: column; gap: 0.4rem; align-items: center; text-align: center; }
.footer-brand { display: inline-flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.footer-logo { width: 48px; }
.footer-tagline { font-size: 0.9rem; color: rgba(255,255,255,0.5); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.25rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}
.footer-legal { display: flex; gap: 1.5rem; }

/* Map wrapper */
.map-wrapper { margin-top: 2rem; }
.map-wrapper iframe { width: 100%; height: 400px; border: 0; border-radius: var(--radius-md); }

/* Animate base class */
.animate { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.animate.visible { opacity: 1; transform: translateY(0); }

/* Floating Call Button */
.fab-call {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-btn);
  background-size: 300% 100%;
  animation: gradient-shift 5s ease infinite;
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px rgba(138,196,63,0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.fab-call:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(138,196,63,0.55);
  text-decoration: none;
  color: #fff;
}
.fab-call svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.fab-call .fab-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--color-green);
  animation: fabPulse 2s ease-out infinite;
}

@keyframes fabPulse {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* SVG icon breathe animation on cards */
.card-icon-breathe {
  animation: iconBreathe 3s ease-in-out infinite;
}
.card-icon-sm-breathe {
  animation: iconBreathe 3s ease-in-out infinite;
}
@keyframes iconBreathe {
  0%, 100% { transform: scale(1); filter: brightness(1); }
  50%      { transform: scale(1.06); filter: brightness(1.1); }
}

/* Stagger breathe animation on card grids */
.card:nth-child(2) .card-icon-breathe,
.card:nth-child(2) .card-icon-sm-breathe { animation-delay: 0.4s; }
.card:nth-child(3) .card-icon-breathe,
.card:nth-child(3) .card-icon-sm-breathe { animation-delay: 0.8s; }
.card:nth-child(4) .card-icon-breathe,
.card:nth-child(4) .card-icon-sm-breathe { animation-delay: 1.2s; }
.card:nth-child(5) .card-icon-breathe,
.card:nth-child(5) .card-icon-sm-breathe { animation-delay: 1.6s; }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: -9.25rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.6);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  pointer-events: none;
  z-index: 1;
}
.scroll-indicator .scroll-arrow {
  width: 24px;
  height: 24px;
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50%      { transform: translateY(8px); opacity: 1; }
}

/* Animated counters */
.stats-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  padding: 2rem 0;
}
.stat-item {
  text-align: center;
  min-width: 120px;
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-green), var(--color-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--color-muted);
  font-weight: 500;
  margin-top: 0.25rem;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  position: relative;
}
.testimonial-card::before {
  content: '\201C';
  font-size: 3rem;
  line-height: 1;
  color: var(--color-green);
  opacity: 0.3;
  position: absolute;
  top: 0.75rem;
  left: 1rem;
}
.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-green), var(--color-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}
.testimonial-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
}
.testimonial-role {
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* Dark mode */
html.dark {
  --color-white: #1C1D21;
  --color-light: #25262B;
  --color-text: #E8E8E8;
  --color-muted: #9CA3AF;
  --color-dark: #111113;
}
html.dark body { background-color: #1C1D21; color: #E8E8E8; }
html.dark .navbar { background: rgba(28,29,33,0.85); }
html.dark .navbar:hover { background: rgba(28,29,33,0.95); }
html.dark .navbar.nav-open .nav-menu { background: rgba(28,29,33,0.96); }
html.dark .card, html.dark .card--icon, html.dark .testimonial-card, html.dark .faq-item { background: #25262B; box-shadow: 0 2px 8px rgba(0,0,0,0.3); }
html.dark .card:hover, html.dark .card--icon:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.4); }
html.dark .card h3, html.dark .card--icon h3, html.dark .card h4 { color: #E8E8E8; }
html.dark .card p, html.dark .card--icon p { color: #9CA3AF; }
html.dark .card a { color: #E8E8E8; }
html.dark .section-alt { background-color: #25262B; }
html.dark .section-title { color: #E8E8E8; }
html.dark .page-header h1 { -webkit-text-fill-color: unset; background: none; color: var(--color-green); }
html.dark .page-header p { color: #9CA3AF; }
html.dark .nav-link { color: rgba(255,255,255,0.55); }
html.dark .nav-link:hover { color: #8AC43F; }
html.dark .nav-link.active { color: #8AC43F; border-bottom-color: #8AC43F; }
html.dark .nav-toggle span { background: #E8E8E8; }
html.dark .footer { background-color: #111113; color: rgba(255,255,255,0.75); }
html.dark .footer h4 { color: #E8E8E8; }
html.dark .footer a { color: rgba(255,255,255,0.65); }
html.dark .footer a:hover { color: #fff; }
html.dark .footer-tagline { color: rgba(255,255,255,0.4); }
html.dark .footer-bottom { border-top-color: rgba(255,255,255,0.08); color: rgba(255,255,255,0.4); }
html.dark .footer-bottom a { color: rgba(255,255,255,0.5); }
html.dark .footer-col p { color: rgba(255,255,255,0.6); }
html.dark .stat-number { -webkit-text-fill-color: transparent; }
html.dark .stat-label { color: #9CA3AF; }
html.dark .testimonial-text { color: #D1D5DB; }
html.dark .testimonial-name { color: #E8E8E8; }
html.dark .faq-question { color: #E8E8E8; }
html.dark .faq-answer { color: #9CA3AF; }
html.dark .app-subtitle { color: #9CA3AF; }
html.dark .legal-content h2, html.dark .legal-content h3, html.dark .legal-content h4 { color: #E8E8E8; }
html.dark .legal-content p, html.dark .legal-content li { color: #D1D5DB; }
html.dark .hero { color: #fff; }
html.dark .hero-content h1 { color: #fff; }
html.dark .hero .btn-primary { color: #fff; }
html.dark .section-fullbg-content h2 { color: #fff; }
html.dark .section-fullbg-content p { color: rgba(255,255,255,0.9); }
html.dark .section-fullbg-overlay { background: rgba(0,0,0,0.65); }
html.dark .contact .card a { color: var(--color-green); }
html.dark .theme-toggle { color: #E8E8E8; border-color: #4B5563; }
html.dark .lang-switch { color: #fff; }

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-dark);
  color: rgba(255,255,255,0.85);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
  transform: translateY(100%);
  transition: transform 0.4s ease;
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-banner a { color: var(--color-green); text-decoration: underline; }
.cookie-btn {
  background: var(--color-green);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  padding: 0.5rem 1.25rem;
  font-family: var(--font-family);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}
.cookie-btn:hover { background: #7ab536; }

.theme-toggle {
  background: none;
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1;
  margin-left: 0.25rem;
  flex-shrink: 0;
  transition: border-color var(--transition-fast);
}
.theme-toggle:hover { border-color: var(--color-green); }

/* Parallax */
.section-fullbg-parallax {
  background-attachment: fixed;
}
@media (hover: none) {
  .section-fullbg-parallax { background-attachment: scroll; }
}

/* FAQ Accordion */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-fast);
}
.faq-question:hover { color: var(--color-green); }
.faq-question .faq-chevron {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-muted);
}
.faq-item.open .faq-question .faq-chevron { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.25rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-muted);
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 1.25rem 1rem;
}

@media (min-width: 768px) {
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
  .stat-number { font-size: 3rem; }
}

/* ------------------------------------------------------------
   20. Animations
   ------------------------------------------------------------ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes upDown {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-20px); }
}

.fade-up    { opacity: 0; transform: translateY(30px);  transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in    { opacity: 0; transition: opacity 0.6s ease; }
.slide-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.slide-right{ opacity: 0; transform: translateX(40px);  transition: opacity 0.6s ease, transform 0.6s ease; }

.animate.visible, .fade-up.visible, .fade-in.visible,
.slide-left.visible, .slide-right.visible { opacity: 1; transform: translate(0); }

/* Bouncing icons */
.animate-bounce { animation: upDown 1s infinite alternate; }
.animate-bounce-delay-1 { animation: upDown 1s infinite alternate 0.33s; }
.animate-bounce-delay-2 { animation: upDown 1s infinite alternate 0.66s; }
.animate-bounce-delay-3 { animation: upDown 1s infinite alternate 1s; }

.gradient-border { position: relative; border-radius: var(--radius-lg); background: var(--color-light); padding: 0.75rem; }
.gradient-border::before { content: ''; position: absolute; inset: -3px; background: var(--gradient-brand); background-size: 400%; border-radius: calc(var(--radius-lg) + 3px); z-index: -1; animation: gradient-shift 5s linear infinite; }

/* Colour / gradient helpers from existing site */
.gradient { background: linear-gradient(rgba(138,196,63,0.9), rgba(63,136,197,0.9)); }
.green    { background-color: var(--color-green); }
.text-gray { color: var(--color-gray); }

/* First-row spacer (legacy pages with navbar offset) */
.first-row { padding-top: 8rem; }

/* Page-level background pattern (legacy) */
.bg-pattern {
  background-image: url('../img/brand/hex_mesh.svg');
  background-repeat: repeat;
}

/* Component / feature icon sizes for detail pages */
.component-icon,
.feature-icon {
  width: 90px;
  height: 90px;
}

/* Action images */
.action-img { width: 24px; height: 24px; }

/* Scope images (features page) */
.scope-image { width: 100px; height: 100px; }
.scope-text  { margin-top: 1rem; line-height: 1.5; font-size: 1rem; }

/* Feature images (full-width) */
.feature-image { padding: 3rem; width: 100%; max-width: 1024px; height: auto; }

/* Component background full sections */
.component-background,
.feature-background {
  min-height: 700px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
}

/* Watermark on about page */
.smartintro-watermark { width: 128px; height: 128px; margin-bottom: 2rem; }
.smartintro-logo { width: 80%; }

/* Light background helper */
.light-bckg { background-color: var(--color-white); }

/* Title rows (legacy compat) */
.components-title-row,
.features-title-row,
.platform-title-row {
  padding: 5rem 0 1.5rem;
  font-size: 2.25rem;
  font-weight: 600;
  text-align: center;
}

/* ------------------------------------------------------------
   21. Responsive — Tablet (768px+)
   ------------------------------------------------------------ */
@media (min-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.75rem; }

  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .card-grid--2 { grid-template-columns: repeat(2, 1fr); }
  .card-grid--3 { grid-template-columns: repeat(3, 1fr); }

  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-bottom { flex-direction: row; justify-content: space-between; }

  .feature-section .container { flex-direction: row; text-align: left; }
  .feature-section:nth-child(even) .container { flex-direction: row-reverse; }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }

  .footer-grid { grid-template-columns: repeat(3, 1fr); }

  .hero-content h1 { font-size: 3rem; }
  .hero-content .subtitle { font-size: 1.5rem; }

  .feature-row { flex-direction: row; text-align: left; }
  .feature-row:nth-child(even) { flex-direction: row-reverse; }

  .split-layout,
  .um-split { flex-direction: row; }

  .hiw-image { width: 50%; }

  .component-title,
  .feature-title { font-size: 3.5rem; padding: 0 5rem 0.75rem; }
  .component-text,
  .feature-text { font-size: 1.5rem; padding: 0 5rem; }
}

/* ------------------------------------------------------------
   22. Responsive — Desktop (1024px+)
   ------------------------------------------------------------ */
@media (min-width: 1024px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.25rem; }

  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .grid-5 { grid-template-columns: repeat(5, 1fr); }
  .card-grid { grid-template-columns: repeat(5, 1fr); }

  /* Show desktop nav, hide hamburger */
  .nav-menu   { display: flex; }
  .nav-toggle { display: none; }

  .full-bg-section { background-attachment: fixed; }
  .section-fullbg { background-attachment: fixed; }

  .component-background,
  .feature-background { background-attachment: fixed; }
}

/* ------------------------------------------------------------
   23. Responsive — Large Desktop (1280px+)
   ------------------------------------------------------------ */
@media (min-width: 1280px) {
  .container { padding-inline: 2rem; }

  .hero-content h1 { font-size: 3.5rem; }

  .component-title,
  .feature-title { font-size: 5rem; }
  .component-text,
  .feature-text { font-size: 2rem; }

  .nav-links a { padding: 0.5rem 1.75rem; }
}

/* ------------------------------------------------------------
   24. Print
   ------------------------------------------------------------ */
@media print {
  .navbar, .page-footer, .hamburger, .mobile-menu { display: none; }
  body { color: #000; }
  .hero { min-height: auto; }
}