/* ============================================================
   RGB Cloud Studio — Design System Stylesheet
   Mobile-first, CSS custom properties, comprehensive
   ============================================================ */

/* ── Google Fonts are loaded in HTML <head> ── */

/* ============================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
  /* Colors */
  --color-red:        #E5222A;
  --color-green:      #5CB85C;
  --color-blue:       #29ABE2;
  --color-charcoal:   #2C2C2C;
  --color-slate:      #6B6B6B;
  --color-off-white:  #F7F7F8;
  --color-white:      #FFFFFF;
  --color-navy:       #0D1B2A;
  --color-border:     #E5E7EB;

  /* Semantic aliases */
  --color-primary:    var(--color-blue);
  --color-danger:     var(--color-red);
  --color-success:    var(--color-green);
  --color-body:       var(--color-charcoal);
  --color-muted:      var(--color-slate);
  --color-bg:         var(--color-off-white);
  --color-surface:    var(--color-white);

  /* Typography */
  --font-display:     'Space Grotesk', sans-serif;
  --font-body:        'Inter', sans-serif;

  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.875rem;  /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg:   1.125rem;  /* 18px */
  --text-xl:   1.25rem;   /* 20px */
  --text-2xl:  1.5rem;    /* 24px */
  --text-3xl:  1.875rem;  /* 30px */
  --text-4xl:  2.25rem;   /* 36px */
  --text-5xl:  3rem;      /* 48px */
  --text-6xl:  3.75rem;   /* 60px */
  --text-7xl:  4.5rem;    /* 72px */
  --text-8xl:  5rem;      /* 80px */

  --weight-regular:   400;
  --weight-medium:    500;
  --weight-semibold:  600;
  --weight-bold:      700;

  --leading-tight:    1.2;
  --leading-snug:     1.4;
  --leading-normal:   1.6;
  --leading-relaxed:  1.75;

  /* Spacing (8px unit system) */
  --space-1:  0.25rem;  /* 4px */
  --space-2:  0.5rem;   /* 8px */
  --space-3:  0.75rem;  /* 12px */
  --space-4:  1rem;     /* 16px */
  --space-5:  1.25rem;  /* 20px */
  --space-6:  1.5rem;   /* 24px */
  --space-8:  2rem;     /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-30: 7.5rem;   /* 120px */

  /* Layout */
  --max-width: 1280px;
  --section-py-mobile:  3.75rem; /* 60px */
  --section-py-tablet:  5rem;    /* 80px */
  --section-py-desktop: 7.5rem;  /* 120px */

  /* Border radius */
  --radius-sm:   0.25rem;  /* 4px */
  --radius-md:   0.5rem;   /* 8px */
  --radius-lg:   1rem;     /* 16px */
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-card:       0 2px 16px rgba(0,0,0,0.08);
  --shadow-card-hover: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-sm:         0 1px 4px rgba(0,0,0,0.06);
  --shadow-lg:         0 16px 48px rgba(0,0,0,0.16);

  /* Transitions */
  --transition: 200ms ease;
  --transition-slow: 400ms ease;

  /* Z-index */
  --z-header:  100;
  --z-modal:   200;
  --z-chatbot: 150;
  --z-cookie:  160;
  --z-mobile-cta: 90;
}

/* ============================================================
   2. MODERN CSS RESET
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-body);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

input, button, textarea, select {
  font: inherit;
}

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  color: var(--color-body);
}

p {
  max-width: 70ch;
}

address {
  font-style: normal;
}

/* ============================================================
   3. ACCESSIBILITY
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-weight: var(--weight-medium);
  z-index: 999;
  transition: top var(--transition);
}
.skip-link:focus {
  top: var(--space-2);
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

/* ============================================================
   4. LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
}

@media (min-width: 1280px) {
  .container { padding-inline: var(--space-12); }
}

section {
  padding-block: var(--section-py-mobile);
}

@media (min-width: 768px) {
  section { padding-block: var(--section-py-tablet); }
}

@media (min-width: 1024px) {
  section { padding-block: var(--section-py-desktop); }
}

/* Section headers */
.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(41,171,226,0.08);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .section-title { font-size: var(--text-4xl); }
}

.section-sub {
  font-size: var(--text-lg);
  color: var(--color-muted);
  max-width: 60ch;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header .section-sub {
  margin-inline: auto;
}

/* ============================================================
   5. TYPOGRAPHY HELPERS
   ============================================================ */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-muted  { color: var(--color-muted); }
.text-primary{ color: var(--color-primary); }
.text-danger { color: var(--color-danger); }
.text-success{ color: var(--color-success); }

.font-display { font-family: var(--font-display); }

/* ============================================================
   6. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 48px;
  padding-inline: var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  line-height: 1;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), box-shadow var(--transition),
              transform var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

/* Primary */
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: #1a96cd;
  border-color: #1a96cd;
  box-shadow: 0 4px 16px rgba(41,171,226,0.4);
}
.btn-primary:focus-visible {
  outline-color: var(--color-primary);
  outline-offset: 4px;
}

/* Secondary / Ghost */
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover {
  background: rgba(41,171,226,0.08);
  box-shadow: 0 4px 16px rgba(41,171,226,0.2);
}

/* Danger */
.btn-danger {
  background: var(--color-danger);
  color: var(--color-white);
  border-color: var(--color-danger);
}
.btn-danger:hover {
  background: #c41c23;
  border-color: #c41c23;
}

/* White (for dark backgrounds) */
.btn-white {
  background: var(--color-white);
  color: var(--color-navy);
  border-color: var(--color-white);
}
.btn-white:hover {
  background: var(--color-off-white);
}

/* Ghost white */
.btn-ghost-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.5);
}
.btn-ghost-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
}

/* Small button variant */
.btn-sm {
  height: 36px;
  padding-inline: var(--space-4);
  font-size: var(--text-sm);
}

/* Large button variant */
.btn-lg {
  height: 56px;
  padding-inline: var(--space-8);
  font-size: var(--text-lg);
}

/* Pill button */
.btn-pill {
  border-radius: var(--radius-pill);
}

/* ============================================================
   7. HEADER & NAVIGATION
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  transition: background var(--transition-slow), box-shadow var(--transition-slow);
  background: transparent;
}

.site-header.scrolled {
  background: var(--color-white);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-8);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-navy);
  transition: color var(--transition);
}

/* On transparent header, logo text can be white */
.site-header:not(.scrolled) .logo-text {
  color: var(--color-white);
}

.logo-accent {
  color: var(--color-primary);
}

.site-header:not(.scrolled) .logo-accent {
  color: rgba(255,255,255,0.85);
}

.logo-bars {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-left: var(--space-2);
}

.logo-bars .bar {
  display: block;
  width: 20px;
  height: 3px;
  border-radius: 2px;
}

.bar-red   { background: var(--color-red); }
.bar-green { background: var(--color-green); }
.bar-blue  { background: var(--color-blue); }

/* Nav links */
.nav-links {
  display: none;
  list-style: none;
  gap: var(--space-1);
  align-items: center;
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }
}

.nav-links li a:not(.btn) {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-navy);
  border-radius: var(--radius-md);
  transition: color var(--transition);
  position: relative;
}

.site-header:not(.scrolled) .nav-links li a:not(.btn) {
  color: rgba(255,255,255,0.9);
}

.nav-links li a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: var(--space-3);
  right: var(--space-3);
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition);
}

.nav-links li a:not(.btn):hover::after,
.nav-links li a:not(.btn).active::after {
  transform: scaleX(1);
}

.nav-links li a:not(.btn):hover {
  color: var(--color-primary);
}

.site-header:not(.scrolled) .nav-links li a:not(.btn):hover {
  color: var(--color-white);
}

.nav-links li a.active:not(.btn) {
  color: var(--color-primary);
}

.site-header:not(.scrolled) .nav-links li a.active:not(.btn) {
  color: var(--color-white);
}

/* Nav CTA button */
.nav-links li:last-child {
  margin-left: var(--space-4);
}

/* Hamburger */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  cursor: pointer;
  transition: background var(--transition);
}

.nav-toggle:hover {
  background: rgba(0,0,0,0.05);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.site-header:not(.scrolled) .nav-toggle span {
  background: var(--color-white);
}

@media (min-width: 1024px) {
  .nav-toggle { display: none; }
}

/* Hamburger open state */
.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav drawer */
@media (max-width: 1023px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--color-white);
    padding: var(--space-6) var(--space-4);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
  }

  .nav-open .nav-links {
    display: flex;
    transform: translateX(0);
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links li a:not(.btn) {
    display: block;
    width: 100%;
    padding: var(--space-4) var(--space-2);
    font-size: var(--text-lg);
    color: var(--color-navy);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links li a:not(.btn)::after {
    display: none;
  }

  .nav-links li:last-child {
    margin-left: 0;
    margin-top: var(--space-6);
    width: 100%;
  }

  .nav-links li:last-child .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ============================================================
   8. HERO SECTION
   ============================================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px; /* header height */
  padding-bottom: var(--space-20);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    #0D1B2A 0%,
    #0a2740 25%,
    #0d2d50 50%,
    #071525 75%,
    #0D1B2A 100%
  );
  background-size: 400% 400%;
  animation: gradientShift 12s ease infinite;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 70% 40%, rgba(41,171,226,0.18) 0%, transparent 60%),
              radial-gradient(ellipse 50% 60% at 20% 80%, rgba(229,34,42,0.08) 0%, transparent 50%),
              radial-gradient(ellipse 40% 50% at 80% 80%, rgba(92,184,92,0.07) 0%, transparent 50%);
  animation: meshPulse 8s ease-in-out infinite alternate;
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes meshPulse {
  0%   { opacity: 0.6; }
  100% { opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  margin-bottom: var(--space-6);
  backdrop-filter: blur(8px);
}

.hero-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-green);
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.7; transform: scale(0.8); }
}

.hero-h1 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
  line-height: 1.05;
  color: var(--color-white);
  margin-bottom: var(--space-6);
  max-width: 18ch;
}

.hero-h1 .highlight {
  color: var(--color-primary);
}

.hero-sub {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.75);
  max-width: 55ch;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
  .hero-sub { font-size: var(--text-xl); }
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

/* Client logo strip */
.hero-logos {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-8);
}

.hero-logos p {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: var(--space-4);
  max-width: none;
}

.logo-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  align-items: center;
}

.logo-strip-item {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: rgba(255,255,255,0.3);
  filter: grayscale(1);
  transition: color var(--transition), filter var(--transition);
  letter-spacing: -0.02em;
}

.logo-strip-item:hover {
  color: rgba(255,255,255,0.6);
  filter: grayscale(0.3);
}

/* ============================================================
   9. CARDS
   ============================================================ */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

/* Service card */
.card-service {
  padding: var(--space-8);
}

.card-service .service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(41,171,226,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: var(--space-6);
  transition: background var(--transition), transform var(--transition);
}

.card-service:hover .service-icon {
  background: rgba(41,171,226,0.15);
  transform: scale(1.05);
}

.card-service h3 {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}

.card-service p {
  color: var(--color-muted);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.card-service .card-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--transition);
}

.card-service .card-link:hover {
  gap: var(--space-2);
}

/* Portfolio card */
.card-portfolio {
  display: flex;
  flex-direction: column;
}

.card-portfolio .card-img {
  height: 200px;
  width: 100%;
  flex-shrink: 0;
}

.card-portfolio .card-body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-portfolio .card-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background: rgba(41,171,226,0.1);
  padding: 2px var(--space-3);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
  align-self: flex-start;
}

.card-portfolio h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.card-portfolio .metric {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-success);
  margin-bottom: var(--space-4);
}

.card-portfolio .card-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: auto;
  transition: gap var(--transition);
}

.card-portfolio .card-link:hover {
  gap: var(--space-2);
}

/* Testimonial card */
.card-testimonial {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
}

.testimonial-stars {
  color: #FBBF24;
  font-size: var(--text-sm);
  letter-spacing: 2px;
  margin-bottom: var(--space-4);
}

.testimonial-quote {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-charcoal);
  margin-bottom: var(--space-6);
  flex: 1;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-base);
  color: white;
  flex-shrink: 0;
}

.author-info strong {
  display: block;
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
}

.author-info span {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* Value card */
.card-value {
  padding: var(--space-8);
  text-align: center;
}

.value-icon {
  font-size: 2rem;
  margin-bottom: var(--space-4);
}

.card-value h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.card-value p {
  color: var(--color-muted);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-inline: auto;
}

/* ============================================================
   10. GRIDS
   ============================================================ */
/* Service cards: 1 → 2 → 4 */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Portfolio grid: 1 → 2 → 3 */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Values grid: 1 → 2 → 3 */
.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .values-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Two column layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 1024px) {
  .two-col { grid-template-columns: 1fr 1fr; align-items: center; }
  .two-col.reverse > *:first-child { order: 2; }
}

/* Generic 2-col content + sidebar */
.content-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 1024px) {
  .content-sidebar { grid-template-columns: 2fr 1fr; align-items: start; }
}

/* ============================================================
   11. IMAGE PLACEHOLDERS
   ============================================================ */
.img-placeholder {
  width: 100%;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: 0.04em;
  min-height: 200px;
}

.img-placeholder-sm  { min-height: 160px; }
.img-placeholder-md  { min-height: 260px; }
.img-placeholder-lg  { min-height: 360px; }
.img-placeholder-xl  { min-height: 480px; }

/* ============================================================
   12. STATS BAR
   ============================================================ */
.stats-section {
  background: var(--color-navy);
  padding-block: var(--space-16);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  text-align: center;
}

@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

.stat-item {}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-suffix {
  color: var(--color-primary);
}

.stat-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   13. TESTIMONIALS CAROUSEL
   ============================================================ */
.testimonials-section {
  background: var(--color-off-white);
}

.testimonials-carousel {
  position: relative;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 var(--space-2);
}

@media (min-width: 1024px) {
  .testimonial-slide {
    min-width: calc(100% / 3);
  }
}

.testimonials-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  color: var(--color-body);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.carousel-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
}

.carousel-dots {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: background var(--transition), width var(--transition);
  border: none;
}

.dot.active {
  background: var(--color-primary);
  width: 24px;
  border-radius: var(--radius-pill);
}

/* ============================================================
   14. TECH STACK
   ============================================================ */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-charcoal);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.tech-badge:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
  border-color: var(--color-primary);
}

.tech-badge .tech-icon {
  font-size: 1rem;
}

/* ============================================================
   15. PROCESS TIMELINE (horizontal, 5 steps)
   ============================================================ */
.process-section {
  background: var(--color-off-white);
}

.process-timeline {
  position: relative;
}

.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  position: relative;
}

@media (min-width: 768px) {
  .process-steps {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-4);
  }

  /* Horizontal connector line */
  .process-steps::before {
    content: '';
    position: absolute;
    top: 28px;
    left: calc(10% + 28px);
    right: calc(10% + 28px);
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-blue));
    z-index: 0;
  }
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-4);
  box-shadow: 0 0 0 8px rgba(41,171,226,0.1);
  flex-shrink: 0;
}

.process-step h3 {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}

.process-step p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   16. FAQ ACCORDION
   ============================================================ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 800px;
  margin-inline: auto;
}

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

.faq-item.open {
  box-shadow: var(--shadow-card);
  border-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-body);
  text-align: left;
  background: transparent;
  border: none;
  cursor: pointer;
  gap: var(--space-4);
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-item.open .faq-question {
  color: var(--color-primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  flex-shrink: 0;
  transition: transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
  color: var(--color-muted);
  line-height: 1;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
  font-size: var(--text-base);
}

/* ============================================================
   17. PORTFOLIO FILTER
   ============================================================ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
  justify-content: center;
}

.filter-pill {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-border);
  background: var(--color-white);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-body);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.filter-pill:hover,
.filter-pill.active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
}

.portfolio-card-wrap {
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.portfolio-card-wrap.hidden {
  display: none;
}

/* ============================================================
   18. SERVICE BLOCKS (alternating layout)
   ============================================================ */
.service-block {
  padding-block: var(--space-16);
  border-bottom: 1px solid var(--color-border);
}

.service-block:last-child {
  border-bottom: none;
}

.service-block-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-deliverables {
  margin-top: var(--space-6);
}

.service-deliverables h4 {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}

.service-deliverables ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-deliverables li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-base);
  color: var(--color-muted);
}

.service-deliverables li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: var(--weight-bold);
  flex-shrink: 0;
  margin-top: 1px;
}

/* ============================================================
   19. FORMS
   ============================================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-body);
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  height: 48px;
  padding-inline: var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  font-size: var(--text-base);
  color: var(--color-body);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-textarea {
  height: auto;
  min-height: 140px;
  padding-block: var(--space-3);
  resize: vertical;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(41,171,226,0.15);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 4px rgba(229,34,42,0.1);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  display: none;
}

.form-input.error ~ .form-error,
.form-select.error ~ .form-error,
.form-textarea.error ~ .form-error {
  display: block;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6B6B' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: var(--space-10);
  cursor: pointer;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-12) var(--space-8);
}

.form-success.visible {
  display: block;
}

.form-success .success-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.form-success h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

.form-success p {
  color: var(--color-muted);
  margin-inline: auto;
}

/* ============================================================
   20. BREADCRUMBS
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-4);
}

.breadcrumb a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

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

.breadcrumb .sep {
  color: rgba(255,255,255,0.3);
}

.breadcrumb .current {
  color: rgba(255,255,255,0.9);
}

/* Inner page hero (smaller) */
.page-hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, #0d2d50 100%);
  padding-block: var(--space-24) var(--space-16);
  padding-top: calc(72px + var(--space-16));
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 80% at 80% 50%, rgba(41,171,226,0.12) 0%, transparent 60%);
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--color-white);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  margin-bottom: var(--space-4);
}

.page-hero p {
  color: rgba(255,255,255,0.75);
  font-size: var(--text-lg);
  max-width: 55ch;
}

/* ============================================================
   21. FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.7);
}

.footer-rgb-bar {
  display: flex;
  height: 4px;
}

.footer-rgb-bar > * {
  flex: 1;
}

.footer-rgb-bar .bar-red   { background: var(--color-red); }
.footer-rgb-bar .bar-green { background: var(--color-green); }
.footer-rgb-bar .bar-blue  { background: var(--color-blue); }

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-block: var(--space-16);
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer-brand .nav-logo .logo-text {
  color: var(--color-white);
}

.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-top: var(--space-4);
  max-width: 36ch;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: var(--text-base);
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}

.social-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-5);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col li a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer-col li a:hover {
  color: var(--color-primary);
}

.footer-col address {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
}

.footer-col address a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer-col address a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-block: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.4);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-legal {
  display: flex;
  gap: var(--space-4);
}

.footer-legal a {
  color: rgba(255,255,255,0.4);
  font-size: var(--text-sm);
  transition: color var(--transition);
}

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

/* ============================================================
   22. CHATBOT WIDGET
   ============================================================ */
.chatbot-widget {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-chatbot);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
}

/* Push chatbot up when mobile CTA bar is present */
@media (max-width: 767px) {
  .chatbot-widget {
    bottom: calc(var(--space-6) + 64px);
  }
}

.chatbot-toggle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(41,171,226,0.45);
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  position: relative;
  flex-shrink: 0;
}

.chatbot-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(41,171,226,0.55);
}

.chatbot-toggle svg {
  width: 26px;
  height: 26px;
}

.chatbot-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-danger);
  color: var(--color-white);
  font-size: 10px;
  font-weight: var(--weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-white);
  display: none;
}

.chatbot-badge.visible {
  display: flex;
}

.chatbot-panel {
  width: 360px;
  max-width: calc(100vw - var(--space-8));
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 48px rgba(0,0,0,0.18);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.9) translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
  transform-origin: bottom right;
  max-height: 520px;
}

.chatbot-panel.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.chatbot-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-primary);
  color: var(--color-white);
}

.chatbot-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--weight-bold);
  font-size: var(--text-xs);
  flex-shrink: 0;
}

.chatbot-header > div {
  flex: 1;
}

.chatbot-header strong {
  display: block;
  font-size: var(--text-sm);
}

.online-dot {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.8);
}

.chatbot-close {
  background: rgba(255,255,255,0.15);
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: var(--color-white);
  cursor: pointer;
  font-size: var(--text-base);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.chatbot-close:hover {
  background: rgba(255,255,255,0.25);
}

.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 280px;
  max-height: 340px;
}

.chat-msg {
  display: flex;
  gap: var(--space-2);
  align-items: flex-end;
}

.chat-msg.bot {
  flex-direction: row;
}

.chat-msg.user {
  flex-direction: row-reverse;
}

.chat-bubble {
  max-width: 80%;
  padding: var(--space-3) var(--space-4);
  border-radius: 16px;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.chat-msg.bot .chat-bubble {
  background: var(--color-off-white);
  color: var(--color-body);
  border-bottom-left-radius: 4px;
}

.chat-msg.user .chat-bubble {
  background: var(--color-primary);
  color: var(--color-white);
  border-bottom-right-radius: 4px;
}

.chat-typing {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: var(--color-off-white);
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  width: fit-content;
}

.chat-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-muted);
  animation: typingDot 1.2s infinite;
}

.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingDot {
  0%, 80%, 100% { transform: scale(1); opacity: 0.4; }
  40%            { transform: scale(1.2); opacity: 1; }
}

.chatbot-input-area {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.chatbot-input-area input {
  flex: 1;
  height: 40px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding-inline: var(--space-4);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition);
}

.chatbot-input-area input:focus {
  border-color: var(--color-primary);
}

.chatbot-input-area button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: background var(--transition);
  flex-shrink: 0;
}

.chatbot-input-area button:hover {
  background: #1a96cd;
}

/* WhatsApp escalation button in chat */
.chat-wa-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: #25D366;
  color: white;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  margin-top: var(--space-2);
  text-decoration: none;
  transition: background var(--transition);
  width: fit-content;
}

.chat-wa-btn:hover {
  background: #20b558;
}

/* ============================================================
   23. COOKIE BANNER
   ============================================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-cookie);
  background: var(--color-navy);
  color: rgba(255,255,255,0.85);
  padding: var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: flex-start;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.2);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.cookie-banner.visible {
  transform: translateY(0);
}

@media (min-width: 768px) {
  .cookie-banner {
    flex-direction: row;
    align-items: center;
    padding: var(--space-4) var(--space-10);
  }
}

.cookie-banner p {
  font-size: var(--text-sm);
  max-width: 65ch;
}

.cookie-banner p a {
  color: var(--color-primary);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* ============================================================
   24. EXIT INTENT POPUP
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  max-width: 480px;
  width: 100%;
  position: relative;
  transform: scale(0.9);
  transition: transform var(--transition-slow);
  text-align: center;
}

.modal-overlay.visible .modal-box {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-off-white);
  border: none;
  cursor: pointer;
  font-size: var(--text-base);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  transition: background var(--transition), color var(--transition);
}

.modal-close:hover {
  background: var(--color-border);
  color: var(--color-body);
}

.modal-emoji {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.modal-box h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

.modal-box p {
  color: var(--color-muted);
  margin-inline: auto;
  margin-bottom: var(--space-6);
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 480px) {
  .modal-actions { flex-direction: row; justify-content: center; }
}

/* ============================================================
   25. MOBILE STICKY CTA BAR
   ============================================================ */
.mobile-cta-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-mobile-cta);
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  gap: var(--space-3);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.08);
}

@media (max-width: 767px) {
  .mobile-cta-bar { display: flex; }
}

.mobile-cta-bar .btn {
  flex: 1;
  font-size: var(--text-sm);
  height: 44px;
}

/* ============================================================
   26. ANIMATIONS & TRANSITIONS
   ============================================================ */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delay utilities */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* Scale in */
.scale-in {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.scale-in.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .fade-in-up { opacity: 1; transform: none; }
  .scale-in   { opacity: 1; transform: none; }
  .hero-bg    { animation: none; }
}

/* ============================================================
   27. TAGS & BADGES
   ============================================================ */
.tag {
  display: inline-block;
  padding: 2px var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.04em;
}

.tag-blue    { background: rgba(41,171,226,0.1);  color: #1b7db8; }
.tag-green   { background: rgba(92,184,92,0.1);   color: #3d8b3d; }
.tag-red     { background: rgba(229,34,42,0.1);   color: var(--color-danger); }
.tag-purple  { background: rgba(124,58,237,0.1);  color: #6d28d9; }
.tag-orange  { background: rgba(251,146,60,0.1);  color: #c2570a; }
.tag-slate   { background: rgba(107,107,107,0.1); color: var(--color-slate); }

/* ============================================================
   28. TEAM CARDS
   ============================================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .team-grid { grid-template-columns: repeat(4, 1fr); }
}

.card-team {
  padding: var(--space-6);
  text-align: center;
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
}

.card-team h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-1);
}

.card-team .role {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--weight-medium);
  margin-bottom: var(--space-3);
}

.card-team .bio {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.team-social {
  display: flex;
  justify-content: center;
}

/* ============================================================
   29. MILESTONES TIMELINE
   ============================================================ */
.milestones {
  position: relative;
  padding-block: var(--space-8);
}

.milestones-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  position: relative;
}

@media (min-width: 768px) {
  .milestones-track {
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-4);
  }

  .milestones-track::before {
    content: '';
    position: absolute;
    top: 24px;
    left: calc(8.33% + 12px);
    right: calc(8.33% + 12px);
    height: 2px;
    background: var(--color-border);
    z-index: 0;
  }
}

.milestone {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.milestone-dot {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-3);
  box-shadow: 0 0 0 6px rgba(41,171,226,0.12);
}

.milestone-year {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.milestone-label {
  font-size: var(--text-xs);
  color: var(--color-muted);
  line-height: var(--leading-snug);
}

/* ============================================================
   30. CASE STUDY PAGE
   ============================================================ */
.case-hero {
  background: var(--color-navy);
  padding-top: calc(72px + var(--space-16));
  padding-bottom: var(--space-16);
  position: relative;
  overflow: hidden;
}

.case-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(41,171,226,0.18) 0%, transparent 60%);
}

.case-hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-12);
}

@media (min-width: 1024px) {
  .case-hero .container {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.case-meta-strip {
  background: var(--color-off-white);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-5);
}

.case-meta-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.case-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.case-meta-item .meta-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.case-meta-item .meta-value {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-body);
}

.case-results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .case-results { grid-template-columns: repeat(3, 1fr); }
}

.result-metric {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.result-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.result-label {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* Sticky case CTA */
.case-sticky-cta {
  position: sticky;
  top: 88px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
}

.case-sticky-cta h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.case-sticky-cta p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-5);
}

/* ============================================================
   31. CONTACT PAGE
   ============================================================ */
.contact-info-card {
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
}

.contact-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(41,171,226,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-1);
}

.contact-item p, .contact-item a {
  font-size: var(--text-base);
  color: var(--color-body);
}

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

.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: #25D366;
  color: white;
  border-radius: var(--radius-md);
  font-weight: var(--weight-medium);
  font-size: var(--text-base);
  transition: background var(--transition), transform var(--transition);
}

.whatsapp-btn:hover {
  background: #20b558;
  transform: translateY(-2px);
}

/* Booking section */
.booking-card {
  background: linear-gradient(135deg, var(--color-navy), #0d2d50);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  color: var(--color-white);
  margin-top: var(--space-6);
}

.booking-card h3 {
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.booking-card p {
  color: rgba(255,255,255,0.7);
  font-size: var(--text-sm);
  margin-bottom: var(--space-5);
}

/* ============================================================
   32. 404 PAGE
   ============================================================ */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8);
  background: var(--color-off-white);
  padding-top: 72px;
}

.error-number {
  font-family: var(--font-display);
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: var(--weight-bold);
  line-height: 1;
  background: linear-gradient(135deg, var(--color-red), var(--color-primary), var(--color-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-4);
}

.error-title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.error-msg {
  color: var(--color-muted);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  max-width: 45ch;
  margin-inline: auto;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* ============================================================
   33. CTA SECTION
   ============================================================ */
.cta-section {
  background: linear-gradient(135deg, rgba(41,171,226,0.06) 0%, rgba(41,171,226,0.02) 100%);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.cta-section h2 {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  margin-bottom: var(--space-4);
}

.cta-section p {
  color: var(--color-muted);
  font-size: var(--text-lg);
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* ============================================================
   34. UTILITY CLASSES
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.mt-0  { margin-top: 0; }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mb-0  { margin-bottom: 0; }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }

.d-flex  { display: flex; }
.d-none  { display: none; }
.gap-4   { gap: var(--space-4); }
.align-center { align-items: center; }
.flex-wrap    { flex-wrap: wrap; }

.bg-white     { background: var(--color-white); }
.bg-offwhite  { background: var(--color-off-white); }
.bg-navy      { background: var(--color-navy); }

/* Highlight text */
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
