/* ==========================================================================
   VAForLeads — Stylesheet
   Mobile-first. Sections are ordered to mirror index.html.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Brand palette */
  --color-bg: #0F172A;
  --color-primary: #14B8A6;
  --color-secondary: #38BDF8;
  --color-white: #FFFFFF;
  --color-gray: #94A3B8;

  /* Derived surfaces (built from the brand background for depth/cards) */
  --color-surface: #16213A;
  --color-surface-alt: #1B2942;
  --color-border: rgba(148, 163, 184, 0.16);
  --color-border-strong: rgba(148, 163, 184, 0.28);

  /* Text */
  --text-heading: #F8FAFC;
  --text-body: #C3CCDA;
  --text-muted: var(--color-gray);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --gradient-radial: radial-gradient(circle at 20% 20%, rgba(20, 184, 166, 0.16), transparent 45%),
                      radial-gradient(circle at 80% 0%, rgba(56, 189, 248, 0.14), transparent 40%);

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: clamp(5rem, 10vw, 9rem);

  /* Layout */
  --container-width: 1200px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* Shadows */
  --shadow-soft: 0 10px 30px rgba(2, 8, 23, 0.35);
  --shadow-card: 0 20px 45px rgba(2, 8, 23, 0.45);
  --shadow-lift: 0 30px 60px -20px rgba(2, 8, 23, 0.55);
  --shadow-glow: 0 0 0 1px rgba(20, 184, 166, 0.25), 0 20px 40px rgba(20, 184, 166, 0.12);

  /* Glassmorphism */
  --glass-bg: rgba(148, 163, 184, 0.06);
  --glass-bg-strong: rgba(148, 163, 184, 0.1);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(18px);

  /* Motion */
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  background-color: var(--color-bg);
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Ambient animated background — fixed, decorative, sits behind all content */
.bg-atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.bg-atmosphere::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-radial);
}

.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  will-change: transform;
  animation: drift 30s var(--ease-premium) infinite;
}

.bg-blob--one {
  width: 32rem;
  height: 32rem;
  top: -12rem;
  left: -8rem;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.35), transparent 70%);
  animation-duration: 26s;
}

.bg-blob--two {
  width: 36rem;
  height: 36rem;
  top: 15%;
  right: -14rem;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.3), transparent 70%);
  animation-duration: 34s;
  animation-delay: -8s;
}

.bg-blob--three {
  width: 26rem;
  height: 26rem;
  bottom: -10rem;
  left: 35%;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.22), transparent 70%);
  animation-duration: 30s;
  animation-delay: -16s;
}

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(3%, -4%) scale(1.08); }
  66% { transform: translate(-4%, 3%) scale(0.95); }
}

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

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

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h3 {
  letter-spacing: -0.005em;
}

/* Content sits above the fixed atmosphere layer */
.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea {
  font-family: inherit;
}

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Accessible focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-sm);
  background: var(--color-white);
  color: var(--color-bg);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* --------------------------------------------------------------------------
   3. Utilities & Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-sm);
}

section {
  padding-block: var(--space-3xl);
  position: relative;
}

/* Thin gradient hairline between sections for a refined seam instead of a hard edge */
main > section:not(:first-of-type)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(90%, 900px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-strong), transparent);
}

/* Alternate a whisper-quiet tint on every other section for visual rhythm */
main > section:nth-of-type(even)::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(148, 163, 184, 0.03), transparent 30%, transparent 70%, rgba(148, 163, 184, 0.03));
  z-index: -1;
}

.section-header {
  max-width: 640px;
  margin-bottom: var(--space-xl);
}

.section-header.center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(20, 184, 166, 0.22);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  margin-bottom: var(--space-md);
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient-primary);
  box-shadow: 0 0 8px rgba(20, 184, 166, 0.8);
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  margin-bottom: var(--space-md);
}

.section-header.center .section-title {
  margin-inline: auto;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Buttons */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.4s var(--ease-premium), box-shadow 0.4s var(--ease-premium), background var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

/* Diagonal light sweep on hover, shared by both button styles */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(115deg, transparent 20%, rgba(255, 255, 255, 0.25) 50%, transparent 80%);
  transform: translateX(-120%);
  transition: transform 0.7s var(--ease-premium);
}

.btn:hover::before,
.btn:focus-visible::before {
  transform: translateX(120%);
}

.btn-primary {
  background: var(--gradient-primary);
  background-size: 160% 160%;
  background-position: 0% 50%;
  color: var(--color-bg);
  box-shadow: var(--shadow-glow);
  transition: transform 0.4s var(--ease-premium), box-shadow 0.4s var(--ease-premium), background-position 0.5s var(--ease-premium);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-3px) scale(1.015);
  background-position: 100% 50%;
  box-shadow: 0 0 0 1px rgba(20, 184, 166, 0.4), 0 28px 54px rgba(20, 184, 166, 0.26);
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.99);
}

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--text-heading);
  border: 1px solid var(--color-border-strong);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: rgba(56, 189, 248, 0.45);
  background: rgba(56, 189, 248, 0.1);
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.btn-secondary:active {
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

/* Reveal-on-scroll animation hooks (JS toggles .is-visible) */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-premium), transform 0.8s var(--ease-premium);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   4. Header / Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  width: 100%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.is-scrolled {
  background: rgba(15, 23, 42, 0.92);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-soft);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-heading);
}

.brand img {
  width: 36px;
  height: 36px;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-body);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-fast);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text-heading);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  width: 100%;
}

.nav-cta {
  display: none;
  padding: 0.65rem 1.4rem;
  font-size: 0.88rem;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  z-index: 950;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-heading);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(80vw, 360px);
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  padding: 6rem var(--space-lg) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 940;
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav a {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-heading);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 8, 23, 0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  z-index: 930;
}

.nav-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* --------------------------------------------------------------------------
   5. Hero
   -------------------------------------------------------------------------- */
.hero {
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: var(--space-3xl);
  text-align: center;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin-inline: auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-body);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  padding: 0.55rem 1.1rem 0.55rem 0.7rem;
  border-radius: 999px;
  margin-bottom: var(--space-lg);
}

.hero-badge .avatar-stack {
  display: flex;
}

.hero-badge .avatar-stack span {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: 2px solid var(--color-bg);
  margin-left: -8px;
}

.hero-badge .avatar-stack span:first-child {
  margin-left: 0;
}

.hero-title {
  font-size: clamp(2.25rem, 6.5vw, 3.75rem);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--text-body);
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.hero-actions .btn {
  width: 100%;
  max-width: 320px;
}

/* Friction-reducing reassurance line under the primary CTAs */
.hero-microcopy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.hero-microcopy svg {
  width: 15px;
  height: 15px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.hero-tool-strip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: var(--space-xl);
}

.hero-tool-strip > span {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero-tool-icons {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-muted);
  opacity: 0.85;
}

.hero-tool-icons svg {
  width: 20px;
  height: 20px;
}

/* Trust badges — glass pill bar */
.trust-badges {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 820px;
  margin-inline: auto;
  padding: var(--space-lg);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.trust-badge {
  text-align: center;
  position: relative;
}

.trust-badge strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.trust-badge span {
  font-size: 0.88rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   6. Cards (shared by Services / Industries / Tools)
   -------------------------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.card {
  position: relative;
  background: linear-gradient(180deg, var(--color-surface), var(--color-surface-alt));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.5s var(--ease-premium), border-color 0.5s var(--ease-premium), box-shadow 0.5s var(--ease-premium);
}

/* Top accent bar sweeps in on hover instead of a static line */
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-premium);
}

.card:hover {
  transform: translateY(-8px);
  border-color: rgba(20, 184, 166, 0.35);
  box-shadow: var(--shadow-lift);
}

.card:hover::after {
  transform: scaleX(1);
}

.card-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.16), rgba(56, 189, 248, 0.1));
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  transition: transform 0.5s var(--ease-premium);
}

.card:hover .card-icon {
  transform: scale(1.08) rotate(-4deg);
}

.card-icon svg {
  width: 26px;
  height: 26px;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.7rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

/* Trust pillars — compact credibility strip right below the hero */
.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.trust-pillar {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: transform 0.5s var(--ease-premium), border-color 0.5s var(--ease-premium);
}

.trust-pillar:hover {
  transform: translateY(-5px);
  border-color: rgba(20, 184, 166, 0.3);
}

.trust-pillar .card-icon {
  margin-inline: auto;
}

.trust-pillar h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.trust-pillar p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Inline CTA link used inside long-form copy blocks (About, etc.) */
.inline-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: var(--space-lg);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-primary);
  transition: gap 0.35s var(--ease-premium), color 0.35s var(--ease-premium);
}

.inline-cta svg {
  width: 16px;
  height: 16px;
  transition: transform 0.35s var(--ease-premium);
}

.inline-cta:hover,
.inline-cta:focus-visible {
  gap: 0.8rem;
  color: var(--color-secondary);
}

.inline-cta:hover svg,
.inline-cta:focus-visible svg {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   7. How It Works
   -------------------------------------------------------------------------- */
.process-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  counter-reset: step;
}

.process-step {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-lg) var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: border-color 0.5s var(--ease-premium), transform 0.5s var(--ease-premium), background 0.5s var(--ease-premium);
}

.process-step:hover {
  border-color: rgba(56, 189, 248, 0.35);
  background: var(--glass-bg-strong);
  transform: translateX(6px);
}

.process-number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  background: var(--gradient-primary);
  color: var(--color-bg);
  box-shadow: var(--shadow-glow);
  transition: transform 0.5s var(--ease-premium);
}

.process-step:hover .process-number {
  transform: scale(1.1);
}

.process-step h3 {
  font-size: 1.08rem;
  margin-bottom: 0.35rem;
}

.process-step p {
  font-size: 0.93rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   8. Portfolio / Case Studies
   -------------------------------------------------------------------------- */
.case-study-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.case-study {
  position: relative;
  background: linear-gradient(160deg, var(--color-surface), var(--color-surface-alt));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  transition: transform 0.5s var(--ease-premium), box-shadow 0.5s var(--ease-premium), border-color 0.5s var(--ease-premium);
}

/* Soft gradient glow tucked into the corner — visible on hover only */
.case-study::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -30%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.25), transparent 70%);
  opacity: 0;
  transition: opacity 0.6s var(--ease-premium);
  z-index: -1;
}

.case-study:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lift);
  border-color: rgba(20, 184, 166, 0.3);
}

.case-study:hover::before {
  opacity: 1;
}

.case-study-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-secondary);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  margin-bottom: var(--space-md);
}

.case-study h3 {
  font-size: 1.4rem;
  margin-bottom: var(--space-xs);
}

.case-study-desc {
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.65;
  margin-bottom: var(--space-lg);
}

.case-study-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.stat-block {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: var(--space-md) var(--space-sm);
  text-align: center;
  transition: border-color 0.4s var(--ease-premium), background 0.4s var(--ease-premium);
}

.case-study:hover .stat-block {
  border-color: rgba(20, 184, 166, 0.25);
}

.stat-block strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 0.15rem;
}

.stat-block span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.case-study-deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-lg);
}

.deliverable-chip {
  font-size: 0.8rem;
  color: var(--text-body);
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

.case-study-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap 0.35s var(--ease-premium), color 0.35s var(--ease-premium);
}

.case-study-cta svg {
  width: 16px;
  height: 16px;
  transition: transform 0.35s var(--ease-premium);
}

.case-study:hover .case-study-cta {
  gap: 0.7rem;
  color: var(--color-secondary);
}

.case-study:hover .case-study-cta svg {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   9. Testimonials
   -------------------------------------------------------------------------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.testimonial-card {
  position: relative;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform 0.5s var(--ease-premium), border-color 0.5s var(--ease-premium), box-shadow 0.5s var(--ease-premium);
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: -0.5rem;
  right: 1rem;
  font-family: var(--font-heading);
  font-size: 5.5rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  opacity: 0.16;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  border-color: rgba(20, 184, 166, 0.3);
  box-shadow: var(--shadow-lift);
}

.testimonial-rating {
  color: var(--color-secondary);
  letter-spacing: 2px;
  font-size: 0.9rem;
}

.testimonial-quote {
  color: var(--text-body);
  font-size: 1rem;
  line-height: 1.7;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-bg);
  flex-shrink: 0;
}

.author-name {
  font-weight: 600;
  color: var(--text-heading);
  font-size: 0.92rem;
}

.author-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   10. Tools We Use
   -------------------------------------------------------------------------- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  transition: transform 0.5s var(--ease-premium), border-color 0.5s var(--ease-premium), background 0.5s var(--ease-premium);
}

.tool-card:hover {
  transform: translateY(-5px);
  border-color: rgba(56, 189, 248, 0.35);
  background: var(--glass-bg-strong);
}

.tool-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(56, 189, 248, 0.1);
  color: var(--color-secondary);
  transition: transform 0.5s var(--ease-premium);
}

.tool-card:hover .tool-icon {
  transform: scale(1.1);
}

.tool-icon svg {
  width: 24px;
  height: 24px;
}

.tool-card span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-body);
}

/* --------------------------------------------------------------------------
   11. About
   -------------------------------------------------------------------------- */
.about-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-copy p {
  margin-bottom: var(--space-md);
  color: var(--text-body);
  line-height: 1.75;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.about-stats .stat-block strong {
  font-size: 1.6rem;
}

/* --------------------------------------------------------------------------
   12. FAQ
   -------------------------------------------------------------------------- */
.faq-list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq-item {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  transition: border-color 0.4s var(--ease-premium);
}

.faq-item[open] {
  border-color: rgba(20, 184, 166, 0.3);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-heading);
  padding-block: var(--space-xs);
}

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

.faq-item summary::after {
  content: '';
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(45deg);
  transition: transform 0.35s var(--ease-premium);
}

.faq-item[open] summary::after {
  transform: rotate(-135deg);
}

.faq-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  padding-top: var(--space-sm);
  padding-bottom: var(--space-xs);
}

/* --------------------------------------------------------------------------
   13. Contact
   -------------------------------------------------------------------------- */
.contact-panel {
  position: relative;
  background: linear-gradient(160deg, var(--color-surface), var(--color-surface-alt));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 6vw, 4.5rem) var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-lift);
  overflow: hidden;
  isolation: isolate;
}

.contact-panel::before {
  content: '';
  position: absolute;
  inset: -30% -10% auto -10%;
  height: 70%;
  background: radial-gradient(ellipse at top, rgba(20, 184, 166, 0.18), transparent 70%);
  z-index: -1;
}

.contact-methods {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  text-align: left;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: border-color 0.5s var(--ease-premium), transform 0.5s var(--ease-premium), background 0.5s var(--ease-premium);
}

.contact-method:hover {
  border-color: rgba(20, 184, 166, 0.35);
  transform: translateY(-4px);
  background: var(--glass-bg-strong);
}

.contact-method .card-icon {
  margin-bottom: 0;
}

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

.contact-method-value {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-heading);
  font-size: 0.98rem;
  word-break: break-word;
}

/* Lead capture form — the primary, lowest-friction conversion path */
.lead-form {
  max-width: 640px;
  margin: var(--space-xl) auto 0;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.form-field {
  margin-bottom: var(--space-md);
}

.form-row .form-field {
  margin-bottom: 0;
}

.form-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-body);
  margin-bottom: 0.45rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  color: var(--text-heading);
  transition: border-color 0.3s var(--ease-premium), background 0.3s var(--ease-premium);
}

.form-field textarea {
  resize: vertical;
  min-height: 90px;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--text-muted);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: rgba(20, 184, 166, 0.5);
  background: var(--glass-bg-strong);
}

.form-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 18px;
  padding-right: 2.75rem;
}

.form-field select option {
  background: var(--color-surface);
  color: var(--text-heading);
}

.form-status {
  min-height: 1.2rem;
  margin-top: var(--space-sm);
  font-size: 0.88rem;
  color: var(--color-primary);
  text-align: center;
}

.form-microcopy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

.form-microcopy svg {
  width: 15px;
  height: 15px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-divider {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  max-width: 640px;
  margin: var(--space-xl) auto 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-divider::before,
.contact-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* --------------------------------------------------------------------------
   14. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-xl);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-heading);
}

.footer-brand img {
  width: 28px;
  height: 28px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-secondary);
}

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

.back-to-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-border-strong);
  color: var(--text-heading);
  transition: transform 0.4s var(--ease-premium), border-color 0.4s var(--ease-premium), background 0.4s var(--ease-premium), box-shadow 0.4s var(--ease-premium);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  background: var(--gradient-primary);
  color: var(--color-bg);
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* --------------------------------------------------------------------------
   15. Mobile Sticky CTA Bar
   -------------------------------------------------------------------------- */
.mobile-cta-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 800;
  padding: 0.75rem var(--space-sm) calc(0.75rem + env(safe-area-inset-bottom));
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--color-border);
  transform: translateY(0);
  transition: transform 0.4s var(--ease-premium);
}

.mobile-cta-bar.is-hidden {
  transform: translateY(100%);
}

/* --------------------------------------------------------------------------
   16. Responsive Breakpoints
   -------------------------------------------------------------------------- */

/* Anchor targets should clear the sticky header instead of hiding beneath it */
section[id] {
  scroll-margin-top: 90px;
}

/* Tablet: 768px and up */
@media (min-width: 768px) {
  .hero-actions {
    flex-direction: row;
    justify-content: center;
  }

  .hero-actions .btn {
    width: auto;
    max-width: none;
  }

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

  .trust-badge:not(:first-child)::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background: var(--color-border-strong);
  }

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

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

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

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

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

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

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

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

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

/* Desktop: 1024px and up */
@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }

  .nav-cta {
    display: inline-flex;
  }

  .nav-toggle {
    display: none;
  }

  /* The sticky mobile bar is redundant next to the full nav CTA */
  .mobile-cta-bar {
    display: none;
  }

  .hero-title {
    letter-spacing: -0.02em;
  }

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

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

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

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

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

  .about-section {
    grid-template-columns: 1.1fr 0.9fr;
  }

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