/* ============================================
   BLACK MOUNTAIN TECHNOLOGIES
   Apple-inspired minimal design system
   Black & white, clean, lots of white space
   ============================================ */

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

:root {
  --black: #000000;
  --white: #ffffff;
  /* Brand color system — blue = trust, green = money/go */
  --brand-blue: #1573e6;
  --brand-blue-dark: #0f5bc0;
  --brand-blue-tint: #eef5ff;
  --brand-green: #16a34a;
  --brand-green-dark: #128a3e;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e5e5e5;
  --gray-300: #d4d4d4;
  --gray-400: #a3a3a3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;
  --font-main: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --section-padding: 80px 24px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scrollbar-gutter: stable;
}

body {
  font-family: var(--font-main);
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  font-size: 17px;
  overflow-x: hidden;
}

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

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

/* Typography */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(40px, 6vw, 72px);
}

h2 {
  font-size: clamp(32px, 4vw, 56px);
}

h3 {
  font-size: clamp(24px, 3vw, 36px);
}

h4 {
  font-size: 20px;
}

p {
  color: var(--gray-600);
  max-width: 640px;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 16px;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: var(--section-padding);
}

/* ============================================
   NAVIGATION
   ============================================ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 64px;
  position: relative;
}

.nav-logo-link {
  display: flex;
  align-items: center;
  position: absolute;
  left: 24px;
  top: 0;
  height: 100%;
}

.nav-logo {
  height: 42px;
  width: auto;
}

.nav-wordmark {
  margin-left: 12px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--gray-900, #1a1a1a);
  white-space: nowrap;
}

@media (max-width: 600px) {
  .nav-wordmark {
    display: none;
  }
}

.nav-home {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px 0;
  cursor: pointer;
}

.nav-home span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: all 0.3s ease;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--black);
}

.nav-links .btn-nav {
  background: var(--brand-green);
  color: var(--white);
  padding: 8px 20px;
  border-radius: 980px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s;
}

.nav-links .btn-nav:hover {
  background: var(--brand-green-dark);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--black);
  transition: all 0.3s ease;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 980px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  font-family: var(--font-main);
}

.btn-primary {
  background: var(--brand-green);
  color: var(--white);
  box-shadow: 0 6px 18px rgba(22, 163, 74, 0.28);
}

.btn-primary:hover {
  background: var(--brand-green-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--brand-blue);
  border: 1px solid var(--brand-blue);
}

.btn-secondary:hover {
  background: var(--brand-blue-tint);
  border-color: var(--brand-blue-dark);
}

.btn-disabled {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
}

.btn-text {
  background: none;
  color: var(--black);
  padding: 0;
  font-size: 16px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-text::after {
  content: '\2192';
  transition: transform 0.2s;
}

.btn-text:hover::after {
  transform: translateX(4px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 100px;
  position: relative;
  background: linear-gradient(180deg, var(--brand-blue-tint) 0%, #ffffff 100%);
}

.hero h1 {
  margin-bottom: 16px;
  font-size: clamp(28px, 4vw, 44px);
}

.hero h1 .accent {
  color: var(--brand-blue);
}

.hero .hero-sub {
  font-size: 19px;
  margin: 0 auto 40px;
  max-width: 520px;
  color: var(--gray-500);
}

/* Origins section */
.origins-label {
  text-align: center;
}

.origins-heading {
  text-align: center;
  text-decoration: underline;
  text-underline-offset: 8px;
  text-decoration-thickness: 2px;
  padding: 0 0 16px;
}

.origins-intro {
  text-align: center;
  margin: 0 auto;
}

.hero p {
  font-size: 17px;
  margin: 0 auto 32px;
  max-width: 520px;
  color: var(--gray-500);
}

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

.hero-guarantee {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 24px auto 0;
  padding: 10px 20px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--brand-blue-dark);
  background: #fff;
  border: 1.5px solid var(--brand-blue);
  border-radius: 980px;
  box-shadow: 0 6px 18px rgba(15, 91, 192, 0.14);
  letter-spacing: 0.01em;
}


/* Guarantee badges */
.guarantee-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 760px;
  margin: 44px auto 0;
}

@media (max-width: 640px) {
  .guarantee-badges { grid-template-columns: 1fr; }
}

.guarantee-badge {
  background: #fff;
  border: 1px solid #dbe8fb;
  border-radius: 16px;
  padding: 26px 22px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(15, 91, 192, 0.08);
}

.guarantee-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--brand-green);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.guarantee-badge h4 {
  margin-bottom: 6px;
  color: var(--gray-900);
}

.guarantee-badge p {
  font-size: 14px;
  color: var(--gray-600);
  margin: 0 auto;
}

/* ============================================
   PHONE MOCKUP — missed-call text-back demo
   ============================================ */
.phone-demo {
  margin: 56px auto 0;
  width: 300px;
  max-width: 84vw;
  background: #0b0b0c;
  border-radius: 44px;
  padding: 12px;
  box-shadow: 0 30px 70px rgba(15, 91, 192, 0.22), 0 8px 24px rgba(0,0,0,0.18);
}

.phone-screen {
  background: #ffffff;
  border-radius: 34px;
  overflow: hidden;
  position: relative;
}

.phone-notch {
  height: 26px;
  background: #0b0b0c;
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
  width: 44%;
  margin: 0 auto;
}

.phone-header {
  text-align: center;
  padding: 14px 12px 12px;
  border-bottom: 1px solid var(--gray-200);
}

.phone-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--brand-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 17px;
  margin: 0 auto 6px;
  letter-spacing: 0.02em;
}

.phone-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-900);
}

.phone-status {
  font-size: 11px;
  color: var(--gray-400);
  margin-top: 1px;
}

.phone-thread {
  padding: 16px 14px 20px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  background: #fbfbfd;
  min-height: 320px;
}

.phone-missed {
  align-self: center;
  font-size: 11px;
  color: var(--gray-400);
  background: var(--gray-100);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 4px;
}
.phone-missed strong { color: #dc2626; font-weight: 600; }

.bubble {
  max-width: 78%;
  padding: 9px 13px;
  border-radius: 18px;
  font-size: 13.5px;
  line-height: 1.4;
}

.bubble-them {
  align-self: flex-start;
  background: var(--gray-200);
  color: var(--gray-900);
  border-bottom-left-radius: 5px;
}

.bubble-us {
  align-self: flex-end;
  background: var(--brand-blue);
  color: #fff;
  border-bottom-right-radius: 5px;
}

.bubble-label {
  font-size: 10px;
  color: var(--gray-400);
  align-self: flex-end;
  margin: -4px 4px 2px 0;
}

.bubble-them + .bubble-label { align-self: flex-start; margin-left: 4px; }

.hero-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 24px;
  text-align: center;
}

.hero-credibility-link {
  margin-top: 20px;
  font-size: 14px;
  text-align: center;
}

.hero-credibility-link a {
  color: var(--gray-500);
  text-decoration: none;
  border-bottom: 1px solid var(--gray-300);
  padding-bottom: 1px;
  transition: color 0.2s, border-color 0.2s;
}

.hero-credibility-link a:hover {
  color: var(--black);
  border-bottom-color: var(--black);
}

.hero-video-container {
  width: 100%;
  max-width: 800px;
  margin: 64px auto 0;
}

.footer-trust {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
  text-align: center;
}

.footer-trust p {
  font-size: 14px;
  color: var(--gray-500);
  margin: 0;
  line-height: 1.6;
}

.footer-trust strong {
  color: var(--gray-700);
  font-weight: 600;
}

.hero-video-container video {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem {
  background: var(--gray-50);
  text-align: center;
}

.problem h2 {
  margin-bottom: 24px;
}

.problem > .container > p {
  margin: 0 auto 64px;
  font-size: 19px;
}

.problem-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  max-width: 900px;
  margin: 0 auto;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--black);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 15px;
  color: var(--gray-500);
  max-width: 200px;
  margin: 0 auto;
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */
.products {
  text-align: center;
}

.products h2 {
  margin-bottom: 24px;
}

.products > .container > p {
  margin: 0 auto 80px;
}

.product-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.product-cards-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.product-cards-three .product-card {
  padding: 40px 32px;
}

.product-cards-three .product-card h3 {
  font-size: 24px;
}

@media (max-width: 900px) {
  .product-cards-three {
    grid-template-columns: 1fr;
  }
}

.anchor-stat {
  padding: 48px 24px;
  text-align: center;
  border-bottom: 1px solid var(--gray-200);
}

.anchor-stat-line {
  font-size: 22px;
  font-weight: 500;
  color: var(--black);
  max-width: 880px;
  margin: 0 auto;
  line-height: 1.45;
}

.proof-points {
  padding: 100px 24px;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.proof-item p {
  font-size: 18px;
  line-height: 1.5;
  color: var(--gray-700);
  font-weight: 500;
  margin: 0;
}

@media (max-width: 768px) {
  .anchor-stat-line {
    font-size: 18px;
  }
  .proof-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .proof-points {
    padding: 60px 24px;
  }
}

.product-card {
  text-align: left;
  padding: 48px;
  border-radius: 20px;
  border: 1px solid var(--gray-200);
  transition: border-color 0.3s;
}

.product-card:hover {
  border-color: var(--gray-400);
}

.product-card h3 {
  margin-bottom: 16px;
  font-size: 28px;
}

.product-card .product-target {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.product-card p {
  margin-bottom: 32px;
  font-size: 16px;
  line-height: 1.7;
}

.product-card .feature-list {
  list-style: none;
  margin-bottom: 40px;
}

.product-card .feature-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 15px;
  color: var(--gray-700);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.product-card .feature-list li::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--black);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

.product-card .card-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================
   AI SECTION
   ============================================ */
.ai-section {
  background: var(--brand-blue-tint);
  color: var(--black);
  text-align: center;
  border-top: 1px solid #dbe8fb;
  border-bottom: 1px solid #dbe8fb;
}

.ai-section h2,
.ai-section h4 {
  color: var(--gray-900);
}

.ai-section .section-label {
  color: var(--brand-blue);
}

.leak-check-section {
  background: var(--white);
  color: var(--black);
  text-align: center;
  padding: 16px 0 80px;
}

.leak-check-section .section-label,
.products .section-label {
  color: var(--brand-blue) !important;
}

.leak-check-section h2 {
  color: var(--black);
  margin-bottom: 0;
}

.leak-check-section .section-label {
  color: var(--gray-500);
}

.ai-consulting-section {
  background: var(--white);
  color: var(--black);
  text-align: center;
  padding: 80px 0 96px;
  border-top: 1px solid var(--gray-200);
}

.ai-consulting-section h2 {
  color: var(--black);
}

.ai-consulting-section .section-label {
  color: var(--gray-500);
}

.ai-section .section-label {
  color: var(--gray-500);
}

.ai-section h2 {
  margin-bottom: 24px;
}

.ai-section > .container > p {
  color: var(--gray-400);
  margin: 0 auto 64px;
  font-size: 19px;
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: left;
}

.ai-card {
  padding: 40px;
  border-radius: 16px;
  background: var(--gray-900);
  border: 1px solid var(--gray-800);
}

.ai-card h4 {
  margin-bottom: 12px;
  color: var(--white);
}

.ai-card p {
  color: var(--gray-400);
  font-size: 15px;
}

/* ============================================
   DEMO SECTION
   ============================================ */
.demo-section {
  text-align: center;
  background: var(--gray-50);
}

.demo-section h2 {
  margin-bottom: 24px;
}

.demo-section > .container > p {
  margin: 0 auto 48px;
}

.demo-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.demo-tab {
  padding: 10px 24px;
  border-radius: 980px;
  border: 1px solid var(--gray-300);
  background: var(--white);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-main);
}

.demo-tab.active {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.demo-tab:hover:not(.active) {
  border-color: var(--black);
}

.demo-preview {
  max-width: 960px;
  margin: 0 auto;
  border-radius: 16px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  overflow: hidden;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo-preview img {
  width: 100%;
  height: auto;
}

.demo-placeholder {
  color: var(--gray-400);
  font-size: 15px;
  padding: 80px;
}

/* ============================================
   FUTURE / VISION SECTION
   ============================================ */
.future {
  text-align: center;
}

.future h2 {
  margin-bottom: 24px;
}

.future > .container > p {
  margin: 0 auto 64px;
  font-size: 19px;
}

.future-timeline {
  max-width: 640px;
  margin: 0 auto;
  text-align: left;
}

.timeline-item {
  padding: 24px 0 24px 22px;
  border-top: 1px solid var(--gray-200);
  border-left: 3px solid var(--brand-blue);
  padding-left: 22px;
  margin-top: 0;
}

.timeline-item h4 {
  margin-bottom: 8px;
}

.timeline-item p {
  font-size: 15px;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
  text-align: center;
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
  color: #fff;
}

.cta h2 { color: #fff; }
.cta p { color: rgba(255,255,255,0.9); margin-left: auto; margin-right: auto; }
.cta .btn-primary {
  background: #fff;
  color: var(--brand-blue-dark);
  box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}
.cta .btn-primary:hover { background: #f0f6ff; }

.cta h2 {
  margin-bottom: 20px;
}

.cta p {
  margin: 0 auto 40px;
  font-size: 19px;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  padding: 48px 24px;
  border-top: 1px solid var(--gray-200);
}

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

footer .container.footer-trust {
  display: block;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  height: 28px;
  width: auto;
}

.footer-copy {
  font-size: 13px;
  color: var(--gray-500);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 13px;
  color: var(--gray-500);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--black);
}

/* ============================================
   SCORECARD TIERS (Homepage Teaser)
   ============================================ */
.scorecard-tiers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.scorecard-tier {
  padding: 28px 16px;
  border: 1px solid var(--gray-800);
  border-radius: 12px;
  background: var(--gray-900);
  text-align: center;
}

.scorecard-tier-size {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.scorecard-tier-leak {
  font-size: 17px;
  font-weight: 500;
  color: var(--white);
  line-height: 1.3;
  margin: 0;
}

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

/* ============================================
   SCORECARD PAGE
   ============================================ */
.scorecard-hero {
  padding: 160px 24px 60px;
  text-align: center;
}

.scorecard-hero .section-label {
  display: block;
  margin-bottom: 16px;
}

.scorecard-hero h1 {
  margin-bottom: 20px;
}

.scorecard-hero p {
  margin: 0 auto 16px;
  font-size: 20px;
  color: var(--gray-500);
  max-width: 640px;
}

.scorecard-hero .hero-buttons {
  justify-content: center;
  margin-top: 40px;
}

.scorecard-what {
  padding: var(--section-padding);
  text-align: center;
}

.scorecard-what > .container {
  max-width: 960px;
}

.scorecard-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 48px auto 0;
}

.scorecard-step {
  padding: 32px 24px;
  background: #fff;
  border: 1px solid #dbe8fb;
  border-top: 4px solid var(--brand-blue);
  border-radius: 16px;
  text-align: left;
  box-shadow: 0 8px 24px rgba(15, 91, 192, 0.08);
}

.scorecard-step-number {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.scorecard-step h4 {
  margin-bottom: 10px;
}

.scorecard-step p {
  font-size: 15px;
  color: var(--gray-600);
}

@media (max-width: 768px) {
  .scorecard-steps {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.page-hero {
  padding: 160px 24px 80px;
  text-align: center;
}

.page-hero h1 {
  margin-bottom: 20px;
}

.page-hero p {
  margin: 0 auto;
  font-size: 20px;
  color: var(--gray-500);
}

.story-section {
  padding: var(--section-padding);
}

.story-section .container {
  max-width: 720px;
}

.story-section h2 {
  margin-bottom: 32px;
  font-size: 32px;
}

.story-section p {
  margin-bottom: 24px;
  font-size: 17px;
  line-height: 1.8;
}

/* ============================================
   PRODUCT PAGES
   ============================================ */
.product-hero {
  padding: 160px 24px 80px;
  text-align: center;
}

.product-hero h1 {
  margin-bottom: 20px;
}

.product-hero p {
  margin: 0 auto;
  font-size: 20px;
  color: var(--gray-500);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
}

.feature-card {
  padding: 40px;
  border-radius: 16px;
  border: 1px solid var(--gray-200);
}

.feature-card h4 {
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 15px;
}

.product-cta {
  text-align: center;
  padding: var(--section-padding);
  background: var(--gray-50);
}

.product-cta h2 {
  margin-bottom: 20px;
}

.product-cta p {
  margin: 0 auto 40px;
  font-size: 19px;
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-form-section {
  padding: var(--section-padding);
}

.contact-form-section .container {
  max-width: 560px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: 12px;
  font-size: 16px;
  font-family: var(--font-main);
  background: var(--white);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--black);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ============================================
   BLOG
   ============================================ */
.blog-card {
  display: block;
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-200);
  text-decoration: none;
  transition: opacity 0.2s;
}

.blog-card:hover {
  opacity: 0.7;
}

.blog-card h3 {
  margin-bottom: 12px;
  color: var(--black);
}

.blog-card p {
  color: var(--gray-600);
  font-size: 16px;
}

.blog-date {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.blog-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 100px;
}

.blog-body h2 {
  font-size: 28px;
  margin: 48px 0 16px;
}

.blog-body h3 {
  font-size: 22px;
  margin: 40px 0 12px;
}

.blog-body p {
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 20px;
  color: var(--gray-700);
}

.blog-body ul {
  margin: 0 0 24px 24px;
}

.blog-body li {
  font-size: 17px;
  line-height: 1.8;
  color: var(--gray-700);
  margin-bottom: 8px;
}

/* ============================================
   COMPLIANCE ACCORDION
   ============================================ */
.compliance-item {
  border-bottom: 1px solid var(--gray-200);
}

.compliance-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  background: none;
  border: none;
  font-family: var(--font-main);
  font-size: 16px;
  font-weight: 500;
  color: var(--black);
  cursor: pointer;
  text-align: left;
}

.compliance-toggle:hover {
  color: var(--gray-600);
}

.compliance-icon {
  font-size: 20px;
  font-weight: 300;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.compliance-item.open .compliance-icon {
  transform: rotate(45deg);
}

.compliance-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.compliance-item.open .compliance-content {
  max-height: 200px;
  padding-bottom: 18px;
}

.compliance-content p {
  font-size: 15px;
  color: var(--gray-600);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.fade-section {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.fade-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 968px) {
  .product-cards {
    grid-template-columns: 1fr;
  }

  .ai-grid {
    grid-template-columns: 1fr;
  }

  .problem-stats {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 80px 20px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--gray-200);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-logo-link {
    display: flex;
  }

  .nav-home {
    display: flex;
    z-index: 10;
  }

  .hero {
    padding: 120px 20px 60px;
    min-height: auto;
  }

  .hero p {
    font-size: 17px;
  }

  .hero-buttons {
    flex-direction: column;
    margin-bottom: 48px;
  }

  .hero-video-container {
    max-width: 100%;
  }

  .product-card {
    padding: 32px;
  }

  .ai-card {
    padding: 28px;
  }

  footer .container {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .page-hero {
    padding: 120px 20px 60px;
  }
}

@media (max-width: 480px) {
  .demo-tabs {
    flex-wrap: wrap;
  }

  .product-card .card-buttons {
    flex-direction: column;
  }
}

/* Risk-reversal emphasis (money-back leads) */
.hero-guarantee strong{color:#15803d;font-weight:800;}
.guarantee-badge--feature{border:2px solid var(--brand-green);box-shadow:0 12px 30px rgba(22,163,74,.16);position:relative;}
.guarantee-badge--feature .guarantee-check{width:48px;height:48px;font-size:24px;}
.guarantee-badge--feature h4{font-size:19px;}
.guarantee-pill{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--brand-green);color:#fff;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:3px 12px;border-radius:980px;white-space:nowrap;}