/*
 * Receipt Pro — https://myreceiptpro.com
 * Copyright (c) 2026 Ulan Hada Corporation. All rights reserved.
 * Unauthorized copying, modification, or distribution is strictly prohibited.
 */

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

:root {
  --color-bg: #ffffff;
  --color-surface: #f8f9fa;
  --color-border: #e9ecef;
  --color-text: #1a1a2e;
  --color-text-secondary: #6c757d;
  --color-primary: #16a34a;
  --color-primary-hover: #15803d;
  --color-primary-light: #f0fdf4;
  --color-accent: #0f766e;
  --color-dark: #111827;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1140px;
  --radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-primary-hover);
}

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

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

.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--color-surface);
}

/* ===== Header / Nav ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s;
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.nav__logo-icon {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}

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

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.nav__links a:hover {
  color: var(--color-text);
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--color-primary);
  color: #fff !important;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 0.2s, transform 0.15s;
}

.nav__cta:hover {
  background: var(--color-primary-hover);
  color: #fff !important;
  transform: translateY(-1px);
}

.nav__mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text);
}

/* ===== Hero ===== */
.hero {
  padding: 160px 0 96px;
  text-align: center;
  position: relative;
  overflow: hidden;
  /* Hero background image (currently disabled — uncomment when new image ready):
  background: linear-gradient(rgba(0,0,0,0.58), rgba(0,0,0,0.58)), url('../images/hero-bg.jpg') center center / cover no-repeat;
  */
  background: var(--color-bg);
}

.hero::before {
  display: none;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(22, 163, 74, 0.25);
  color: var(--color-primary);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(22, 163, 74, 0.15);
}

.hero__title {
  font-size: clamp(2.5rem, 5.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 20px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero__title span {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 540px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.35);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(22, 163, 74, 0.35);
}

.btn--secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: #ced4da;
  background: var(--color-surface);
  color: var(--color-text);
}

.hero__trust {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero__trust-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ===== Features ===== */
.features__header {
  text-align: center;
  margin-bottom: 64px;
}

.section__label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 16px;
}

.section__desc {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

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

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: box-shadow 0.25s, transform 0.25s;
}

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

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.feature-card__icon--green {
  background: #f0fdf4;
  color: #16a34a;
}

.feature-card__icon--blue {
  background: #eff6ff;
  color: #2563eb;
}

.feature-card__icon--purple {
  background: #faf5ff;
  color: #9333ea;
}

.feature-card__icon--teal {
  background: #f0fdfa;
  color: #0f766e;
}

.feature-card__icon--amber {
  background: #fffbeb;
  color: #d97706;
}

.feature-card__icon--rose {
  background: #fff1f2;
  color: #e11d48;
}

.feature-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-card__desc {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== How It Works ===== */
.steps__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  counter-reset: step;
}

.step {
  text-align: center;
  counter-increment: step;
}

.step__number {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 800;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border: 2px solid rgba(22, 163, 74, 0.15);
}

.step__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step__desc {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 280px;
  margin: 0 auto;
}

/* ===== Pricing ===== */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 780px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  position: relative;
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-md);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card__name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.pricing-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.pricing-card__price {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.pricing-card__price--free {
  color: var(--color-primary);
}

.pricing-card__price .original {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  text-decoration: line-through;
  font-weight: 500;
  margin-right: 4px;
}

.pricing-card__period {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}

.pricing-card__features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-card__features li {
  padding: 6px 0;
  font-size: 0.92rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.pricing-card__features li::before {
  content: '';
  width: 20px;
  height: 20px;
  min-width: 20px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2316a34a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

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

/* ===== Privacy ===== */
.privacy-section {
  text-align: center;
}

.privacy__content {
  max-width: 640px;
  margin: 0 auto;
}

.privacy__icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 28px;
}

.privacy__points {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.privacy__point {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
}

.privacy__point svg {
  color: var(--color-primary);
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--color-dark);
  text-align: center;
  padding: 80px 0;
}

.cta__title {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta__desc {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn--primary {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.6);
  padding: 48px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
}

.footer__brand {
  max-width: 320px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 12px;
}

.footer__logo-icon {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.footer__tagline {
  font-size: 0.88rem;
  line-height: 1.6;
}

.footer__links {
  display: flex;
  gap: 48px;
}

.footer__col h4 {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__col ul {
  list-style: none;
}

.footer__col li {
  margin-bottom: 8px;
}

.footer__col a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer__col a:hover {
  color: #fff;
}

.footer__bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
}

.footer__disclaimer {
  font-size: 0.78rem;
  max-width: 540px;
  line-height: 1.5;
  opacity: 0.7;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .hero {
    padding: 120px 0 64px;
  }

  .nav__links {
    display: none;
  }

  .nav__mobile-toggle {
    display: block;
  }

  /* Mobile menu */
  .nav__links--open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .features__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .pricing__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .privacy__points {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .footer__inner {
    flex-direction: column;
  }

  .footer__links {
    flex-direction: column;
    gap: 32px;
  }

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

@media (max-width: 480px) {
  .hero__title {
    font-size: 2rem;
  }

  .hero__actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}