/* ============================================
   LeakGuard Lead Capture Page — Design System
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800&family=Open+Sans:wght@400;500;600&display=swap');

:root {
  --primary-blue: #003366;
  --primary-blue-dark: #002244;
  --primary-blue-light: #004488;
  --accent-green: #2E8B57;
  --accent-green-light: #3DA06A;
  --white: #FFFFFF;
  --gray-bg: #F4F4F4;
  --gray-100: #F8F9FA;
  --gray-200: #E9ECEF;
  --gray-300: #DEE2E6;
  --gray-400: #CED4DA;
  --gray-500: #ADB5BD;
  --gray-600: #6C757D;
  --gray-700: #495057;
  --gray-800: #343A40;
  --gray-900: #212529;
  --cta-orange: #FF6F00;
  --cta-orange-hover: #E56200;

  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  --shadow-sm: 0 2px 8px rgba(0, 51, 102, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 51, 102, 0.1);
  --shadow-lg: 0 8px 40px rgba(0, 51, 102, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 51, 102, 0.15);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary-blue);
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 600;
}

p {
  font-size: 1.05rem;
  color: var(--gray-700);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  padding: 16px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.5s ease, height 0.5s ease;
}

.btn:hover::after {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--cta-orange);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(255, 111, 0, 0.35);
}

.btn-primary:hover {
  background: var(--cta-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 111, 0, 0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-large {
  padding: 20px 48px;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

/* --- Sections --- */
.section {
  padding: 90px 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-green);
  margin-bottom: 14px;
}

.section-label::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--accent-green);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 580px;
  line-height: 1.8;
}

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

.text-center .section-subtitle {
  margin: 0 auto;
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.7rem;
  color: var(--primary-blue);
  letter-spacing: -0.035em;
}

.logo-icon {
  width: 40px;
  height: 40px;
}

.logo .logo-text {
  color: var(--primary-blue);
  font-weight: 800;
}

.logo .logo-text span {
  color: var(--accent-green);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a:not(.btn) {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-600);
  position: relative;
  padding: 4px 0;
}

.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-green);
  transition: width var(--transition-base);
}

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

.nav-links a:not(.btn):hover::after {
  width: 100%;
}

.nav-cta {
  margin-left: 8px;
}

.nav-cta .btn {
  padding: 12px 26px;
  font-size: 0.9rem;
  border-radius: 50px;
  color: #FFFFFF;
}

.nav-cta .btn::after {
  display: none;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary-blue);
  transition: all var(--transition-base);
  border-radius: 2px;
}

/* ============================================
   HERO — Form Above the Fold
   ============================================ */
.hero {
  padding: 130px 0 80px;
  background: linear-gradient(160deg, #EBF2FA 0%, var(--white) 40%, var(--gray-100) 100%);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -15%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(46, 139, 87, 0.07) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -25%;
  left: -8%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 51, 102, 0.04) 0%, transparent 70%);
  border-radius: 50%;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 520px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(46, 139, 87, 0.1);
  color: var(--accent-green);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 7px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.hero-badge svg {
  width: 14px;
  height: 14px;
}

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

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

.hero-description {
  font-size: 1.1rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 28px;
}

.hero-trust-row {
  display: flex;
  gap: 24px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--gray-500);
  font-weight: 500;
}

.hero-trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent-green);
}

/* --- Lead Capture Form Card --- */
.lead-form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  position: relative;
}

.lead-form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: linear-gradient(90deg, var(--primary-blue), var(--accent-green), var(--cta-orange));
}

.lead-form-card h3 {
  text-align: center;
  margin-bottom: 6px;
  font-size: 1.35rem;
}

.lead-form-card .form-subtitle {
  text-align: center;
  font-size: 0.88rem;
  color: var(--gray-500);
  margin-bottom: 24px;
  line-height: 1.6;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 5px;
}

.form-group input {
  width: 100%;
  padding: 14px 16px;
  min-height: 48px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--gray-800);
  transition: all var(--transition-fast);
  background: var(--gray-100);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
  background: var(--white);
}

.form-group input::placeholder {
  color: var(--gray-400);
}

.lead-form-card .btn {
  width: 100%;
  margin-top: 6px;
}

.form-disclaimer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 12px;
  line-height: 1.5;
}

.form-disclaimer a {
  color: var(--primary-blue);
  text-decoration: underline;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

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

.form-success.show+form {
  display: none;
}

.form-success svg {
  width: 60px;
  height: 60px;
  color: var(--accent-green);
  margin: 0 auto 16px;
}

.form-success h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.form-success p {
  font-size: 0.95rem;
  color: var(--gray-600);
}

/* ============================================
   FEATURES — "Why LeakGuard?"
   ============================================ */
.features {
  background: var(--white);
}

.features-header {
  margin-bottom: 50px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px 24px;
  border-radius: var(--radius-md);
  background: var(--gray-bg);
  border: 1px solid transparent;
  transition: all var(--transition-base);
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  background: var(--white);
  border-color: var(--gray-200);
}

.feature-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 51, 102, 0.08), rgba(46, 139, 87, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  color: var(--primary-blue);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
  color: var(--white);
  transform: scale(1.08);
}

.feature-icon svg {
  width: 32px;
  height: 32px;
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ============================================
   TRUST SIGNALS
   ============================================ */
.trust-section {
  background: var(--gray-bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.testimonial-card .stars {
  color: #F5A623;
  font-size: 1rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.testimonial-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-800);
}

.testimonial-role {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-top: 2px;
}

.trust-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-top: 50px;
  padding-top: 40px;
  border-top: 1px solid var(--gray-300);
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray-600);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
}

.trust-badge svg {
  width: 22px;
  height: 22px;
  color: var(--accent-green);
}

/* ============================================
   PRICING
   ============================================ */
.pricing {
  background: var(--white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 780px;
  margin: 50px auto 0;
}

.pricing-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
  position: relative;
}

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

.pricing-card.featured {
  border: 2px solid var(--primary-blue);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 5px 18px;
  border-radius: 50px;
  white-space: nowrap;
}

.pricing-plan-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-blue);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-bottom: 6px;
}

.pricing-currency {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-blue);
}

.pricing-value {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-blue);
  line-height: 1;
}

.pricing-period {
  font-size: 0.95rem;
  color: var(--gray-500);
  margin-left: 4px;
}

.pricing-description {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-bottom: 24px;
  line-height: 1.6;
}

.pricing-features {
  margin-bottom: 28px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 0;
  font-size: 0.9rem;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}

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

.pricing-features li svg {
  width: 18px;
  height: 18px;
  color: var(--accent-green);
  flex-shrink: 0;
  margin-top: 2px;
}

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

/* ============================================
   BOTTOM CTA
   ============================================ */
.bottom-cta {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 50%, #001833 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.bottom-cta::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(46, 139, 87, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.bottom-cta h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.bottom-cta p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.bottom-cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--gray-900);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.88rem;
  margin-top: 14px;
  max-width: 260px;
  line-height: 1.7;
}

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

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

.footer-brand .logo .logo-text span {
  color: var(--accent-green-light);
}

.footer h4 {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}

.footer ul li {
  margin-bottom: 10px;
}

.footer ul li a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.88rem;
}

.footer ul li a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.4);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--accent-green);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-social a svg {
  width: 16px;
  height: 16px;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.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;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 560px;
    margin: 0 auto;
  }

  .hero-trust-row {
    justify-content: center;
  }

  .lead-form-card {
    max-width: 480px;
    margin: 0 auto;
  }

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

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

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

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .header .container {
    height: 64px;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    z-index: 999;
  }

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

  .nav-cta {
    margin-left: 0;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

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

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

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

  .trust-badges {
    gap: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .hero-trust-row {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .lead-form-card {
    padding: 28px 20px;
  }

  .bottom-cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .bottom-cta-buttons .btn {
    width: 100%;
    max-width: 300px;
  }

  .pricing-card {
    padding: 32px 24px;
  }
}