/* ===================================================================
   PlumbLine AI — Landing Page Styles
   Design System: Oswald + Open Sans, Blue/Gold, Dark sections
   =================================================================== */

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* ---- CSS Variables (Design System) ---- */
:root {
  --color-primary: #0f77cc;
  --color-primary-hover: #0c62a7;
  --color-primary-light: #4ca9f6;
  --color-primary-bright: #037FFF;
  --color-accent: #ffb706;
  --color-accent-hover: #e5a505;
  --color-bg: #ffffff;
  --color-bg-alt: #eceff1;
  --color-bg-dark: #13191e;
  --color-bg-footer: #0e2634;
  --color-text: #212121;
  --color-text-secondary: #616161;
  --color-text-muted: #999999;
  --color-text-on-dark: #ffffff;
  --color-text-on-accent: #08151E;
  --color-border: #cccccc;
  --color-border-light: #eceff1;
  --color-gray-dark: #25313c;
  --color-gray-mid: #979797;
  --color-red: #ef4444;
  --color-green: #22c55e;
  --color-cta: #22c55e;
  --color-cta-hover: #16a34a;

  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Open Sans', 'Segoe UI', Tahoma, sans-serif;
  --font-mono: 'Courier New', Courier, monospace;

  --text-display: 3.75rem;
  --text-h1: 3rem;
  --text-h2: 2.375rem;
  --text-h3: 1.875rem;
  --text-h4: 1.625rem;
  --text-h5: 1.375rem;
  --text-h6: 1.125rem;
  --text-body-lg: 1.125rem;
  --text-body: 1rem;
  --text-body-sm: 0.9375rem;
  --text-caption: 0.8125rem;

  --space-xs: 5px;
  --space-sm: 10px;
  --space-md: 15px;
  --space-lg: 20px;
  --space-xl: 30px;
  --space-2xl: 40px;
  --space-3xl: 50px;
  --space-section: 70px;

  --radius-sm: 3px;
  --radius-md: 12px;
  --radius-lg: 14px;
  --radius-pill: 30px;
  --radius-full: 100px;

  --shadow-sm: 0 0 10px rgba(0,0,0,0.1);
  --shadow-md: 0px 2px 5px rgba(0,0,0,0.2);
  --shadow-lg: -2px 6px 15px rgba(0,0,0,0.15);
  --shadow-dropdown: 0px 10px 12px 6px rgba(19,25,30,0.35);
  --shadow-sticky: 0px -5px 18px 6px rgba(0,0,0,0.15);

  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.4s ease-in-out;

  --container-max: 1500px;
  --container-narrow: 1080px;
  --grid-gap: 30px;
  --grid-gap-sm: 15px;

  --z-base: 1;
  --z-above: 2;
  --z-header: 9;
  --z-mobile-menu: 990;
  --z-sticky-cta: 998;
  --z-mobile-cta: 999;
  --z-modal: 9999;
}

/* ---- Base ---- */
body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  text-transform: uppercase;
}
h1 { font-size: var(--text-display); }
h2 { font-size: var(--text-h1); margin-bottom: 24px; }
h3 { font-size: var(--text-h2); }
h4 { font-size: var(--text-h3); }
p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 700; }

/* ---- Utilities ---- */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 30px; }
.container-narrow { max-width: var(--container-narrow); }
.section { padding: var(--space-section) 0; }
.text-center { text-align: center; }
.text-white { color: var(--color-text-on-dark) !important; }
.text-accent { color: var(--color-accent) !important; }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-red { color: var(--color-red); }
.text-caption { font-size: var(--text-caption); }
.bg-dark { background-color: var(--color-bg-dark); color: var(--color-text-on-dark); }
.bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--color-text-on-dark); }
.bg-light { background-color: var(--color-bg-alt); }
.bg-footer { background-color: var(--color-bg-footer); color: var(--color-text-on-dark); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  padding: 16px 38px;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: all var(--transition-normal);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-on-dark);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}
.btn-accent {
  background: var(--color-accent);
  color: var(--color-text-on-accent);
  border-color: var(--color-accent);
  text-transform: uppercase;
}
.btn-accent:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: var(--shadow-md);
}
.btn-cta {
  background: var(--color-cta);
  color: #fff;
  border-color: var(--color-cta);
  text-transform: uppercase;
  font-size: 17px;
}
.btn-cta:hover {
  background: var(--color-cta-hover);
  border-color: var(--color-cta-hover);
  box-shadow: 0 4px 20px rgba(34,197,94,0.4);
  transform: translateY(-1px);
}

/* ---- Inputs ---- */
.input {
  font-family: var(--font-body);
  font-size: 16px;
  height: 54px;
  padding: 0 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-normal);
  width: 100%;
}
.input:focus {
  border-color: var(--color-primary);
  outline: none;
}

/* ========================================================
   BLOCK 0: HEADER
   ======================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: transparent;
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
  padding: 0;
}
.header.is-scrolled {
  background: rgba(19, 25, 30, 0.97);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text-on-dark);
  flex-shrink: 0;
}
.header__logo svg { display: block; }
.header__brand {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text-on-dark);
}
.header__brand-ai { color: var(--color-accent); }
.header__nav {
  display: flex;
  gap: 32px;
}
.header__link {
  text-decoration: none;
  color: rgba(255,255,255,0.8);
  font-size: var(--text-body-sm);
  font-weight: 600;
  transition: color var(--transition-fast);
  position: relative;
}
.header__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
  transform-origin: right;
}
.header__link:hover { color: #fff; }
.header__link:hover::after { transform: scaleX(1); transform-origin: left; }
.header__phone {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: rgba(255,255,255,0.85);
  font-size: var(--text-body-sm);
  transition: color var(--transition-fast);
}
.header__phone:hover { color: var(--color-accent); }
.header__phone svg { flex-shrink: 0; }
.header__burger { display: none; }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(19, 25, 30, 0.98);
  z-index: var(--z-mobile-menu);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  backdrop-filter: blur(12px);
}
.mobile-menu.is-open { display: flex; }
.mobile-menu__nav { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.mobile-menu__link {
  font-family: var(--font-heading);
  font-size: var(--text-h3);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-on-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.mobile-menu__link:hover { color: var(--color-accent); }
.mobile-menu__cta { margin-top: 16px; }

/* Sticky CTA */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-mobile-cta);
  padding: 12px 16px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom, 0));
  background: rgba(19, 25, 30, 0.97);
  box-shadow: var(--shadow-sticky);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
  display: none;
  backdrop-filter: blur(8px);
}
.sticky-cta.is-visible { transform: translateY(0); }
.sticky-cta__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px;
  background: var(--color-cta);
  color: #fff;
  border-radius: var(--radius-pill);
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
  transition: background var(--transition-fast);
}
.sticky-cta__btn:hover { background: var(--color-cta-hover); }

/* ========================================================
   BLOCK 1: HERO
   ======================================================== */
.hero {
  position: relative;
  background: linear-gradient(165deg, #0c3d5f 0%, var(--color-bg-dark) 50%, #0a0f14 100%);
  padding: 140px 0 100px;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15,119,204,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,119,204,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
}
.hero__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 60px;
}
.hero__content { flex: 1; min-width: 0; }
.hero__title {
  color: var(--color-text-on-dark);
  font-size: var(--text-display);
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: 0.01em;
}
.hero__title-accent { color: var(--color-accent); }
.hero__subtitle {
  color: rgba(255,255,255,0.75);
  font-size: var(--text-body-lg);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 540px;
}
.hero__cta {
  font-size: 18px;
  padding: 18px 42px;
}
.hero__sub-cta {
  color: rgba(255,255,255,0.5);
  font-size: var(--text-body-sm);
  margin-top: 14px;
}
.hero__callback-link {
  display: inline-block;
  margin-top: 6px;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: var(--text-body-sm);
  transition: color var(--transition-fast);
}
.hero__callback-link span { color: var(--color-primary-light); text-decoration: underline; }
.hero__callback-link:hover { color: #fff; }
.hero__callback-link:hover span { color: var(--color-accent); }

/* Call Card */
.hero__visual { flex: 0 0 380px; display: flex; justify-content: center; }
.call-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.call-card__body {
  position: relative;
  z-index: 2;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.call-card__icon { margin-bottom: 16px; display: flex; justify-content: center; }
.call-card__icon svg { width: 40px; height: 40px; }
.call-card__label {
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: var(--text-caption);
  color: var(--color-text-muted);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}
.call-card__number {
  font-family: var(--font-heading);
  font-size: var(--text-h2);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}
.call-card__status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: var(--text-caption);
  color: var(--color-green);
  font-weight: 600;
}
.call-card__dot {
  width: 8px;
  height: 8px;
  background: var(--color-green);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

/* Ripple */
.call-card__ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 320px;
  height: 320px;
  border: 2px solid rgba(15,119,204,0.25);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0.6);
  animation: ripple 3s ease-out infinite;
}
.call-card__ripple--delay { animation-delay: 1s; }
.call-card__ripple--delay2 { animation-delay: 2s; }

@keyframes ripple {
  0% { transform: translate(-50%, -50%) scale(0.6); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(1.5); opacity: 0; }
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Hero Wave */
.hero__wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  line-height: 0;
}
.hero__wave svg { width: 100%; height: 60px; }

/* ========================================================
   BLOCK 2: SCENARIO
   ======================================================== */
.scenario__title { margin-bottom: var(--space-2xl); }
.timeline { max-width: 600px; margin: 0 auto; position: relative; padding-left: 4px; }
.timeline__item {
  display: flex;
  gap: 20px;
  align-items: baseline;
  padding: 14px 20px;
  border-left: 3px solid var(--color-border-light);
  position: relative;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.timeline__item.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.timeline__item::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  border: 2px solid var(--color-bg);
}
.timeline__item--red { border-left-color: var(--color-red); }
.timeline__item--red::before { background: var(--color-red); }
.timeline__item--green { border-left-color: var(--color-green); background: rgba(34,197,94,0.06); border-radius: 0 8px 8px 0; }
.timeline__item--green::before { background: var(--color-green); }
.timeline__time {
  font-family: var(--font-mono);
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
  min-width: 70px;
  flex-shrink: 0;
}
.timeline__time--green { display: flex; align-items: center; min-width: 70px; }
.timeline__text { font-size: var(--text-body); color: var(--color-text-secondary); }
.timeline__text--green { color: var(--color-green); font-weight: 600; }
.scenario__caption {
  text-align: center;
  margin-top: var(--space-2xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================================
   BLOCK 3: PAIN POINTS
   ======================================================== */
.pain__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
  margin-top: var(--space-2xl);
}
.pain__card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-xl);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.pain__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.pain__icon { margin-bottom: var(--space-md); }
.pain__icon svg { display: block; }
.pain__card-title {
  font-family: var(--font-heading);
  font-size: var(--text-h5);
  font-weight: 700;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}
.pain__card p { color: rgba(255,255,255,0.65); font-size: var(--text-body-sm); }
.pain__transition { margin-top: var(--space-3xl); }
.pain__transition-text {
  font-family: var(--font-heading);
  font-size: var(--text-h4);
  font-weight: 700;
  color: var(--color-text-on-dark);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}
.pain__transition-link {
  color: var(--color-accent);
  font-weight: 700;
  font-size: var(--text-body-lg);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}
.pain__transition-link:hover { opacity: 0.8; }

/* ========================================================
   BLOCK 4: LIVE DEMO
   ======================================================== */
.demo__subtitle {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
}
.demo__phone-block { margin-bottom: var(--space-2xl); }
.demo__ripple-wrap {
  position: relative;
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-lg);
}
.demo__phone-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-cta);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.demo__ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100px;
  height: 100px;
  border: 2px solid var(--color-cta);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(1);
  animation: demo-ripple 2.5s ease-out infinite;
}
.demo__ripple--d1 { animation-delay: 0.8s; }
.demo__ripple--d2 { animation-delay: 1.6s; }
@keyframes demo-ripple {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  100% { transform: translate(-50%, -50%) scale(2.8); opacity: 0; }
}
.demo__number {
  font-family: var(--font-heading);
  font-size: var(--text-h1);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
}
.demo__number:hover { color: var(--color-primary-hover); }

.demo__scenarios { margin-bottom: var(--space-2xl); }
.demo__scenarios-label {
  font-family: var(--font-heading);
  font-size: var(--text-h6);
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  letter-spacing: 0.1em;
}
.demo__bubbles { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.demo__bubble {
  background: var(--color-bg-alt);
  border-radius: 20px 20px 20px 4px;
  padding: 14px 22px;
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
  max-width: 340px;
  font-style: italic;
  position: relative;
}

.demo__after { max-width: 600px; margin: 0 auto; }
.demo__after h3 {
  font-size: var(--text-h4);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
}
.demo__steps { display: flex; gap: var(--space-lg); margin-bottom: var(--space-lg); flex-wrap: wrap; justify-content: center; }
.demo__step { display: flex; align-items: flex-start; gap: 12px; flex: 0 0 auto; }
.demo__step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.demo__step p { font-size: var(--text-body-sm); text-align: left; margin: 0; max-width: 200px; }

/* ========================================================
   BLOCK 5: HOW IT WORKS
   ======================================================== */
.steps {
  display: flex;
  gap: 0;
  justify-content: center;
  position: relative;
  margin-top: var(--space-2xl);
  padding: 0 var(--space-lg);
}
.steps__line {
  position: absolute;
  top: 28px;
  left: 12%;
  right: 12%;
  height: 3px;
  background: var(--color-border-light);
  z-index: 0;
}
.steps__item {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 220px;
}
.steps__circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  position: relative;
  box-shadow: 0 4px 14px rgba(15,119,204,0.3);
}
.steps__icon {
  margin-bottom: var(--space-sm);
  display: flex;
  justify-content: center;
}
.steps__title {
  font-size: var(--text-h6);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
}
.steps__desc {
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
}

/* ========================================================
   BLOCK 6: OBJECTIONS
   ======================================================== */
.objections__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}
.objection {
  display: flex;
  gap: var(--space-lg);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: border-color var(--transition-normal);
}
.objection:hover { border-color: rgba(255,183,6,0.3); }
.objection__icon { flex-shrink: 0; padding-top: 4px; }
.objection__question {
  font-family: var(--font-heading);
  font-size: var(--text-h6);
  font-weight: 600;
  font-style: italic;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  text-transform: none;
}
.objection__answer {
  color: rgba(255,255,255,0.7);
  font-size: var(--text-body-sm);
}

/* ========================================================
   BLOCK 7: BENEFITS
   ======================================================== */
.benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  margin-top: var(--space-2xl);
}
.benefit-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-xl);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.benefit-card__icon { margin-bottom: var(--space-md); }
.benefit-card__title {
  font-size: var(--text-h6);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}
.benefit-card p { font-size: var(--text-body-sm); color: var(--color-text-secondary); }
.benefit-card--cta {
  background: var(--color-primary);
  border-color: var(--color-primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}
.benefit-card--cta:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(15,119,204,0.35); }
.benefit-card--cta .benefit-card__title { color: var(--color-text-on-dark); }

/* ========================================================
   BLOCK 8: COMPARISON
   ======================================================== */
.compare__wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: var(--space-2xl);
}
.compare__table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: var(--text-body-sm);
}
.compare__table th,
.compare__table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}
.compare__table thead th {
  font-family: var(--font-heading);
  font-size: var(--text-h6);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text);
  background: var(--color-bg-alt);
  border-bottom: 2px solid var(--color-border);
}
.compare__highlight {
  background: rgba(34,197,94,0.07) !important;
  border-left: 3px solid var(--color-cta) !important;
}
thead .compare__highlight { border-left: 3px solid var(--color-cta) !important; }
.compare__label { font-weight: 600; color: var(--color-text); min-width: 140px; }
.compare__check { color: var(--color-green); font-weight: 700; font-size: 1.2em; }
.compare__x { color: var(--color-red); font-weight: 700; font-size: 1.2em; }
.compare__caption { margin-top: var(--space-xl); font-size: var(--text-body-lg); }

/* ========================================================
   BLOCK 9: PRICING
   ======================================================== */
.pricing__subtitle { max-width: 640px; margin: 0 auto var(--space-2xl); }
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  align-items: start;
}
.pricing__card {
  background: var(--color-bg);
  border: 2px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-xl) var(--space-xl);
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.pricing__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.pricing__card--popular {
  border-color: var(--color-accent);
  border-width: 3px;
  transform: scale(1.04);
  box-shadow: 0 8px 40px rgba(255,183,6,0.15);
  z-index: 2;
}
.pricing__card--popular:hover { transform: scale(1.04) translateY(-4px); }
.pricing__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-text-on-accent);
  font-family: var(--font-heading);
  font-size: var(--text-caption);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 20px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.pricing__card-header { text-align: center; margin-bottom: var(--space-lg); padding-bottom: var(--space-lg); border-bottom: 1px solid var(--color-border-light); }
.pricing__plan-name {
  font-size: var(--text-h4);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}
.pricing__amount {
  font-family: var(--font-heading);
  font-size: var(--text-h1);
  font-weight: 700;
  color: var(--color-text);
}
.pricing__period { font-size: var(--text-body); color: var(--color-text-muted); }
.pricing__calls {
  text-align: center;
  font-size: var(--text-body-lg);
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
}
.pricing__features { margin-bottom: var(--space-lg); }
.pricing__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
}
.pricing__features .compare__check { font-size: 1em; flex-shrink: 0; }
.pricing__best-for {
  font-size: var(--text-caption);
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--space-lg);
}
.pricing__cta { width: 100%; font-size: 15px; padding: 14px 20px; }
.pricing__notes { margin-top: var(--space-2xl); }
.pricing__notes p { margin-bottom: var(--space-sm); }
.pricing__notes a { color: var(--color-primary); }

.pricing__callback {
  max-width: 640px;
  margin: var(--space-2xl) auto 0;
  text-align: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}

/* Callback Form */
.callback-form { display: flex; gap: 12px; margin-top: var(--space-md); }
.callback-form--inline { flex-wrap: wrap; justify-content: center; }
.callback-form--inline .input { flex: 1; min-width: 180px; max-width: 260px; }
.callback-form--inline .btn { flex-shrink: 0; }
.callback-form--dark .input { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.15); color: #fff; }
.callback-form--dark .input::placeholder { color: rgba(255,255,255,0.4); }
.callback-form--dark .input:focus { border-color: var(--color-accent); }
.callback-form__success {
  margin-top: var(--space-md);
  color: var(--color-green);
  font-weight: 600;
}

/* ========================================================
   BLOCK 10: FAQ
   ======================================================== */
.faq__list {
  margin-top: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: 0;
}
.faq__item {
  border-bottom: 1px solid var(--color-border-light);
}
.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  font-family: var(--font-heading);
  font-size: var(--text-h6);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition-fast);
}
.faq__question::-webkit-details-marker { display: none; }
.faq__question:hover { color: var(--color-primary); }
.faq__toggle {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  position: relative;
  border-radius: 50%;
  background: var(--color-bg-alt);
  transition: background var(--transition-fast), transform var(--transition-normal);
}
.faq__toggle::before,
.faq__toggle::after {
  content: '';
  position: absolute;
  background: var(--color-text);
  top: 50%;
  left: 50%;
  transition: transform var(--transition-normal);
}
.faq__toggle::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}
.faq__toggle::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}
.faq__item[open] .faq__toggle { background: var(--color-primary); }
.faq__item[open] .faq__toggle::before,
.faq__item[open] .faq__toggle::after { background: #fff; }
.faq__item[open] .faq__toggle::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq__answer {
  padding: 0 0 var(--space-lg);
  color: var(--color-text-secondary);
  font-size: var(--text-body);
  max-width: 90%;
}
.faq__answer a { color: var(--color-primary); }

/* ========================================================
   BLOCK 11: FINAL CTA
   ======================================================== */
.final-cta h2 { margin-bottom: var(--space-2xl); }
.final-cta__label {
  font-family: var(--font-heading);
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--color-text-on-dark);
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}
.final-cta__phone-wrap { margin-bottom: var(--space-md); }
.final-cta__number {
  font-family: var(--font-heading);
  font-size: var(--text-h1);
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: 0.02em;
  display: inline-block;
  transition: opacity var(--transition-fast);
}
.final-cta__number:hover { opacity: 0.85; }
.final-cta__divider {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin: var(--space-2xl) auto;
  max-width: 400px;
  color: rgba(255,255,255,0.3);
  font-size: var(--text-body-sm);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}
.final-cta__divider::before,
.final-cta__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.15);
}

/* ========================================================
   BLOCK 12: FOOTER
   ======================================================== */
.footer { padding: var(--space-3xl) 0 var(--space-xl); }
.footer__inner { display: flex; flex-direction: column; align-items: center; gap: var(--space-xl); }
.footer .header__brand { color: var(--color-text-on-dark); }
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg) var(--space-xl);
  justify-content: center;
}
.footer__nav a {
  text-decoration: none;
  color: rgba(255,255,255,0.6);
  font-size: var(--text-body-sm);
  transition: color var(--transition-fast);
}
.footer__nav a:hover { color: var(--color-accent); }
.footer__contact {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg) var(--space-xl);
  justify-content: center;
}
.footer__phone,
.footer__email {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: rgba(255,255,255,0.6);
  font-size: var(--text-body-sm);
  transition: color var(--transition-fast);
}
.footer__phone:hover,
.footer__email:hover { color: var(--color-accent); }
.footer__copy { font-size: var(--text-caption); color: rgba(255,255,255,0.35); }

/* ========================================================
   ANIMATIONS
   ======================================================== */
.anim-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.anim-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================================
   RESPONSIVE
   ======================================================== */

/* Tablet */
@media (max-width: 992px) {
  :root {
    --text-display: 2.5rem;
    --text-h1: 2.375rem;
    --text-h2: 1.875rem;
    --text-h3: 1.625rem;
    --text-h4: 1.375rem;
    --text-h5: 1.125rem;
    --space-section: 50px;
    --grid-gap: 20px;
  }
  .container { padding: 0 20px; }
  .header__nav { display: none; }
  .header__phone { display: none; }
  .header__burger { display: flex; flex-direction: column; gap: 5px; padding: 8px; }
  .header__burger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all var(--transition-normal); }
  .header__burger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .header__burger.is-active span:nth-child(2) { opacity: 0; }
  .header__burger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .sticky-cta { display: block; }
  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero__inner { flex-direction: column; text-align: center; }
  .hero__subtitle { margin-left: auto; margin-right: auto; }
  .hero__visual { flex: none; }
  .call-card__body { padding: 30px 36px; }
  .pain__grid { grid-template-columns: 1fr 1fr; }
  .steps { flex-wrap: wrap; gap: var(--space-xl); }
  .steps__line { display: none; }
  .steps__item { flex: 0 0 calc(33% - var(--space-xl)); }
  .benefits__grid { grid-template-columns: repeat(2, 1fr); }
  .pricing__grid { grid-template-columns: repeat(3, 1fr); }
}

/* Mobile landscape */
@media (max-width: 768px) {
  :root {
    --text-display: 2.25rem;
    --text-h1: 1.875rem;
    --text-h2: 1.625rem;
    --text-h3: 1.375rem;
    --text-h4: 1.25rem;
    --space-section: 40px;
  }
  .pain__grid { grid-template-columns: 1fr; }
  .steps__item { flex: 0 0 calc(50% - var(--space-xl)); }
  .benefits__grid { grid-template-columns: 1fr; }
  .pricing__grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
  .pricing__card--popular { transform: none; }
  .pricing__card--popular:hover { transform: translateY(-4px); }
  .callback-form { flex-direction: column; }
  .callback-form--inline .input { max-width: 100%; }
  .demo__bubbles { flex-direction: column; align-items: center; }
  .demo__steps { flex-direction: column; align-items: center; }
  .demo__step { max-width: 300px; }
  .objection { flex-direction: column; gap: var(--space-sm); }
}

/* Mobile portrait */
@media (max-width: 576px) {
  :root {
    --text-display: 1.875rem;
    --text-h1: 1.625rem;
    --text-body-lg: 1rem;
    --text-body: 0.9375rem;
    --space-section: 30px;
  }
  .container { padding: 0 15px; }
  .btn { width: 100%; padding: 14px 24px; }
  .hero { padding: 100px 0 60px; }
  .hero__visual { display: none; }
  .hero__cta { font-size: 16px; padding: 16px 28px; }
  .steps__item { flex: 0 0 100%; }
  .final-cta__number { font-size: var(--text-h2); }
}

/* ---- 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; }
  .anim-reveal { opacity: 1; transform: none; }
  .timeline__item { opacity: 1; transform: none; }
}