/* ============================================================
   OpenClaw Landing Page — Sumur Digital
   openclaw.sumurdigital.com
   Premium dark-mode stylesheet
   ============================================================ */

/* ----------------------------------------------------------
   0. CUSTOM PROPERTIES
   ---------------------------------------------------------- */
:root {
  /* Backgrounds */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(34, 157, 217, 0.3);

  /* Accent */
  --accent: #229DD9;
  --accent-secondary: #1863DC;
  --gradient-accent: linear-gradient(135deg, #229DD9, #1863DC);
  --gradient-accent-hover: linear-gradient(135deg, #229DD9, #1863DC);
  --glow-accent: 0 0 30px rgba(34, 157, 217, 0.25);
  --glow-accent-strong: 0 0 50px rgba(34, 157, 217, 0.35), 0 0 100px rgba(34, 157, 217, 0.15);

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-tertiary: #6b6b7b;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;

  /* Spacing */
  --section-padding: clamp(60px, 10vw, 120px);
  --container-max: 1200px;
  --container-padding: clamp(16px, 4vw, 32px);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-reveal: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

  /* Z-index scale */
  --z-bg: -1;
  --z-base: 1;
  --z-card: 10;
  --z-nav: 100;
  --z-modal: 200;
  --z-whatsapp: 150;
}

/* ----------------------------------------------------------
   1. RESET & BASE
   ---------------------------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scrollbar-color: var(--accent) var(--bg-secondary);
}

body {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent), var(--accent-secondary));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Selection */
::selection {
  background: rgba(34, 157, 217, 0.3);
  color: var(--text-primary);
}

::-moz-selection {
  background: rgba(34, 157, 217, 0.3);
  color: var(--text-primary);
}

/* ----------------------------------------------------------
   2. TYPOGRAPHY
   ---------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.2rem, 5.5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

h4 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

p {
  color: var(--text-secondary);
  max-width: 65ch;
}

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

a:hover {
  color: var(--accent-secondary);
}

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

ul, ol {
  list-style: none;
}

/* ----------------------------------------------------------
   3. LAYOUT
   ---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

section {
  padding: var(--section-padding) 0;
  position: relative;
}

/* Section backgrounds with subtle decorations */
.section-dark {
  background-color: var(--bg-primary);
}

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

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

/* ----------------------------------------------------------
   4. BACKGROUND DECORATIONS
   ---------------------------------------------------------- */
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: var(--z-bg);
}

.bg-glow--blue {
  background: rgba(34, 157, 217, 0.08);
}

.bg-glow--blue-deep {
  background: rgba(24, 99, 220, 0.06);
}

/* Grid pattern overlay */
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: var(--z-bg);
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* Section header */
.section-header {
  text-align: center;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.section-header p {
  margin: 16px auto 0;
  font-size: clamp(1rem, 1.8vw, 1.15rem);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 1px;
}

/* ----------------------------------------------------------
   5. NAVIGATION
   ---------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: 16px 0;
  transition: background var(--transition-base), padding var(--transition-base),
              box-shadow var(--transition-base);
}

.nav.scrolled {
  padding: 10px 0;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  z-index: calc(var(--z-nav) + 1);
}

.nav__logo img {
  height: 36px;
  width: auto;
}

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

.nav__menu {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
}

.nav__link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  color: var(--text-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__cta {
  margin-left: 8px;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  z-index: calc(var(--z-nav) + 2);
  background: none;
  border: none;
  padding: 0;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
  transform-origin: center;
}

.nav__hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ----------------------------------------------------------
   6. BUTTONS
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-accent);
  color: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(34, 157, 217, 0.25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(34, 157, 217, 0.4);
  color: var(--bg-primary);
}

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

/* Shimmer effect on primary button */
.btn--primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.6s ease;
}

.btn--primary:hover::after {
  left: 100%;
}

.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn--secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(34, 157, 217, 0.05);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(34, 157, 217, 0.1);
}

.btn--large {
  padding: 18px 40px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn--small {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn--icon {
  font-size: 1.15em;
}

/* ----------------------------------------------------------
   7. HERO
   ---------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 80px;
  background: var(--bg-primary);
}

/* 3D canvas sits behind text */
.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__canvas canvas {
  width: 100% !important;
  height: 100% !important;
}

/* Hero background gradient overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(34, 157, 217, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(34, 157, 217, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(0, 0, 0, 0.8) 0%, transparent 60%);
  z-index: 2;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 850px;
  padding: 0 var(--container-padding);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(34, 157, 217, 0.08);
  border: 1px solid rgba(34, 157, 217, 0.2);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 32px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-secondary);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  margin-bottom: 24px;
}

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

.hero__subtitle {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: float 3s ease-in-out infinite;
}

.hero__scroll-indicator span {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-8px); }
}

@keyframes scroll-line {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  50.01% { transform-origin: bottom; }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* ----------------------------------------------------------
   8. WHAT IS OPENCLAW — STEPS
   ---------------------------------------------------------- */
.steps {
  counter-reset: step;
}

.steps__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.step-card {
  position: relative;
  padding: 40px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-base);
  counter-increment: step;
}

.step-card::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.15;
  position: absolute;
  top: 16px;
  right: 24px;
  line-height: 1;
}

.step-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--glow-accent);
}

.step-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 157, 217, 0.08);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.step-card__title {
  margin-bottom: 12px;
}

.step-card__desc {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Connection line between steps (desktop) */
.steps__connector {
  display: none;
}

/* ----------------------------------------------------------
   9. SERVICE CARDS
   ---------------------------------------------------------- */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.service-card {
  position: relative;
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-base);
  overflow: hidden;
}

/* Hover glow top-line */
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: var(--glow-accent);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 157, 217, 0.08);
  border: 1px solid rgba(34, 157, 217, 0.15);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 1.4rem;
  transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
  background: rgba(34, 157, 217, 0.12);
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(34, 157, 217, 0.2);
}

.service-card__title {
  margin-bottom: 10px;
}

.service-card__desc {
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ----------------------------------------------------------
   10. USE CASES
   ---------------------------------------------------------- */
.use-cases__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.use-case-card {
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-base);
}

.use-case-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--glow-accent);
}

.use-case-card__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.use-case-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(34, 157, 217, 0.08);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.use-case-card__industry {
  font-weight: 600;
  color: var(--text-primary);
}

.use-case-card__desc {
  margin-bottom: 24px;
  font-size: 0.92rem;
}

/* Before / After */
.use-case-card__comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.comparison__col {
  padding: 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.5;
}

.comparison__col--before {
  background: rgba(255, 80, 80, 0.06);
  border: 1px solid rgba(255, 80, 80, 0.15);
}

.comparison__col--after {
  background: rgba(34, 157, 217, 0.06);
  border: 1px solid rgba(34, 157, 217, 0.15);
}

.nav__logo-img {
  height: 32px;
  width: auto;
}

.comparison__label {
  display: block;
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.comparison__col--before .comparison__label {
  color: #ff5050;
}

.comparison__col--after .comparison__label {
  color: var(--accent-secondary);
}

.comparison__col p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* ----------------------------------------------------------
   11. WHY SUMUR — TRUST SIGNALS
   ---------------------------------------------------------- */
.trust__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.trust-item {
  display: flex;
  gap: 20px;
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.trust-item:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.trust-item__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 157, 217, 0.08);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  font-size: 1.3rem;
}

.trust-item__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.trust-item__desc {
  font-size: 0.9rem;
}

/* Testimonial / Quote */
.trust__quote {
  margin-top: 48px;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--accent);
  position: relative;
}

.trust__quote::before {
  content: '\201C';
  font-family: Georgia, serif;
  font-size: 5rem;
  color: var(--accent);
  opacity: 0.2;
  position: absolute;
  top: 10px;
  left: 24px;
  line-height: 1;
}

.trust__quote p {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding-left: 16px;
}

.trust__quote-author {
  padding-left: 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.trust__quote-author span {
  color: var(--text-tertiary);
  font-weight: 400;
}

/* ----------------------------------------------------------
   12. PRICING
   ---------------------------------------------------------- */
.pricing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

.pricing-card {
  position: relative;
  padding: 40px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--glow-accent);
}

/* Featured / highlighted pricing card */
.pricing-card--featured {
  border-color: transparent;
  background: var(--bg-card);
  position: relative;
  z-index: 2;
}

/* Animated gradient border for featured card */
.pricing-card--featured::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-xl) + 2px);
  background: conic-gradient(
    from var(--gradient-angle, 0deg),
    var(--accent),
    var(--accent-secondary),
    var(--accent),
    var(--accent-secondary),
    var(--accent)
  );
  z-index: -2;
  animation: rotate-gradient 4s linear infinite;
}

.pricing-card--featured::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  z-index: -1;
}

@keyframes rotate-gradient {
  to { --gradient-angle: 360deg; }
}

@property --gradient-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 24px;
  background: var(--gradient-accent);
  color: var(--bg-primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-card__name {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-card__price {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 4px;
}

.pricing-card__price span {
  font-size: 0.45em;
  font-weight: 400;
  color: var(--text-tertiary);
  vertical-align: baseline;
}

.pricing-card__desc {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  margin-bottom: 28px;
}

.pricing-card__features {
  margin-bottom: 32px;
}

.pricing-card__feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.pricing-card__feature:last-child {
  border-bottom: none;
}

.pricing-card__feature-check {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 157, 217, 0.1);
  color: var(--accent-secondary);
  border-radius: 50%;
  font-size: 0.7rem;
  flex-shrink: 0;
}

.pricing-card__feature--disabled {
  opacity: 0.4;
}

.pricing-card__feature--disabled .pricing-card__feature-check {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-tertiary);
}

.pricing-card .btn {
  width: 100%;
}

/* ----------------------------------------------------------
   13. BLOG / RESOURCES
   ---------------------------------------------------------- */
.blog__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  text-decoration: none;
  display: block;
}

.blog-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--glow-accent);
}

.blog-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card__image img {
  transform: scale(1.05);
}

.blog-card__body {
  padding: 24px;
}

.blog-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}

.blog-card__title {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-primary);
  line-height: 1.35;
}

.blog-card__excerpt {
  font-size: 0.88rem;
  color: var(--text-tertiary);
  line-height: 1.5;
}

/* ----------------------------------------------------------
   14. CONTACT / FORM
   ---------------------------------------------------------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  position: relative;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-base);
  -webkit-appearance: none;
  appearance: none;
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  background: rgba(34, 157, 217, 0.03);
  box-shadow: 0 0 0 3px rgba(34, 157, 217, 0.1), var(--glow-accent);
}

/* Form row — side-by-side fields */
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

/* Submit loading state */
.btn--loading {
  pointer-events: none;
  opacity: 0.7;
  position: relative;
}

.btn--loading::before {
  content: '';
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 8px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Form success/error messages */
.form-message {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}

.form-message--success {
  display: block;
  background: rgba(34, 157, 217, 0.08);
  border: 1px solid rgba(34, 157, 217, 0.2);
  color: var(--accent-secondary);
}

.form-message--error {
  display: block;
  background: rgba(255, 80, 80, 0.08);
  border: 1px solid rgba(255, 80, 80, 0.2);
  color: #ff5050;
}

/* Contact info sidebar */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 157, 217, 0.08);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  color: var(--accent);
  font-size: 1.1rem;
}

.contact-info__label {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.contact-info__value {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.contact-info__value a {
  color: var(--text-primary);
}

.contact-info__value a:hover {
  color: var(--accent);
}

/* Map embed */
.contact__map {
  width: 100%;
  height: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  margin-top: 8px;
}

.contact__map iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(0.8) invert(0.92) contrast(0.85) hue-rotate(180deg);
}

/* ----------------------------------------------------------
   15. FOOTER
   ---------------------------------------------------------- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer__brand {
  max-width: 320px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  margin-bottom: 16px;
}

.footer__brand p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer__col-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer__links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

/* Social icons */
.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(34, 157, 217, 0.08);
  transform: translateY(-2px);
}

/* Footer bottom */
.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
}

.footer__copyright {
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

.footer__legal {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer__legal a {
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

.footer__legal a:hover {
  color: var(--accent);
}

/* ----------------------------------------------------------
   16. WHATSAPP FLOATING BUTTON
   ---------------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-whatsapp);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  font-size: 1.6rem;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  animation: whatsapp-pulse 2.5s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
  color: #fff;
  animation: none;
}

@keyframes whatsapp-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 12px rgba(37, 211, 102, 0.12); }
}

/* WhatsApp tooltip */
.whatsapp-float__tooltip {
  position: absolute;
  right: 72px;
  top: 50%;
  transform: translateY(-50%);
  padding: 8px 16px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  border: 1px solid var(--border-subtle);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
}

/* ----------------------------------------------------------
   17. SCROLL REVEAL ANIMATIONS
   ---------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
  will-change: opacity, transform;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal--left {
  transform: translateX(-30px);
}

.reveal--left.revealed {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(30px);
}

.reveal--right.revealed {
  transform: translateX(0);
}

.reveal--scale {
  transform: scale(0.95);
}

.reveal--scale.revealed {
  transform: scale(1);
}

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

/* ----------------------------------------------------------
   18. UTILITY CLASSES
   ---------------------------------------------------------- */
.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.mx-auto { margin-left: auto; margin-right: auto; }

.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;
}

.hidden { display: none !important; }

/* Divider */
.divider {
  width: 60px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 2px;
  margin: 16px auto;
}

/* ----------------------------------------------------------
   19. RESPONSIVE — 480px
   ---------------------------------------------------------- */
@media (min-width: 480px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }

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

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

/* ----------------------------------------------------------
   20. RESPONSIVE — 768px (TABLET)
   ---------------------------------------------------------- */
@media (min-width: 768px) {
  .steps__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .steps__connector {
    display: block;
  }

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

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

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

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

  .pricing-card--featured {
    transform: scale(1.05);
  }

  .pricing-card--featured:hover {
    transform: scale(1.05) translateY(-4px);
  }

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

  .contact__grid {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }

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

  .nav__hamburger {
    display: none;
  }
}

/* ----------------------------------------------------------
   21. RESPONSIVE — 1024px (DESKTOP)
   ---------------------------------------------------------- */
@media (min-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero__content {
    max-width: 900px;
  }

  .contact__map {
    height: 320px;
  }
}

/* ----------------------------------------------------------
   22. RESPONSIVE — 1200px (WIDE)
   ---------------------------------------------------------- */
@media (min-width: 1200px) {
  .services__grid {
    grid-template-columns: repeat(5, 1fr);
  }

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

/* ----------------------------------------------------------
   23. MOBILE NAVIGATION (< 768px)
   ---------------------------------------------------------- */
@media (max-width: 767px) {
  .nav__hamburger {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: var(--z-nav);
  }

  .nav__menu.open {
    transform: translateX(0);
  }

  .nav__link {
    font-size: 1.3rem;
    font-family: var(--font-heading);
    font-weight: 600;
  }

  .nav__cta {
    margin-left: 0;
  }

  .hero__scroll-indicator {
    display: none;
  }

  .pricing__grid {
    gap: 32px;
  }

  .pricing-card--featured {
    order: -1;
  }

  .whatsapp-float {
    bottom: 16px;
    right: 16px;
    width: 54px;
    height: 54px;
    font-size: 1.4rem;
  }

  .whatsapp-float__tooltip {
    display: none;
  }
}

/* ----------------------------------------------------------
   24. 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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ----------------------------------------------------------
   25. PRINT STYLES
   ---------------------------------------------------------- */
@media print {
  .nav,
  .whatsapp-float,
  .hero__canvas,
  .hero__scroll-indicator {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  section {
    padding: 24px 0;
  }
}