/* ============================================
   Secure File Eraser - Website Stylesheet
   ============================================ */

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

:root {
  --color-primary: #dc2626;
  --color-primary-dark: #b91c1c;
  --color-secondary: #1e40af;
  --color-secondary-light: #3b82f6;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --color-success: #16a34a;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1100px;
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}

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

/* ============================================
   Header / Navigation
   ============================================ */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.92);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  color: var(--color-primary);
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

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

.nav-links a:hover {
  color: var(--color-text);
  text-decoration: none;
}

/* Language Switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 4px;
  margin-left: 12px;
}

.lang-switcher a,
.lang-switcher span {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text-light);
  transition: background 0.2s, color 0.2s;
}

.lang-switcher a:hover {
  background: var(--color-border);
  color: var(--color-text);
  text-decoration: none;
}

.lang-switcher .active {
  background: var(--color-text);
  color: #fff;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  padding: 100px 24px 80px;
  text-align: center;
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.hero-icon {
  margin-bottom: 24px;
  display: inline-block;
}

.hero-icon img {
  width: 120px;
  height: 120px;
  border-radius: 24px;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.15rem;
  color: #94a3b8;
  margin-bottom: 36px;
  line-height: 1.7;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.badge--red {
  background: rgba(220, 38, 38, 0.15);
  color: #fca5a5;
  border-color: rgba(220, 38, 38, 0.3);
}

.badge--blue {
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.3);
}

.badge--green {
  background: rgba(22, 163, 74, 0.15);
  color: #86efac;
  border-color: rgba(22, 163, 74, 0.3);
}

/* ============================================
   Sections (shared)
   ============================================ */
.section {
  padding: 80px 24px;
}

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

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 48px;
  font-size: 1.05rem;
}

/* ============================================
   Features Grid
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

.feature-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: inline-block;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   How It Works
   ============================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.step-number--1 { background: var(--color-secondary-light); }
.step-number--2 { background: var(--color-success); }
.step-number--3 { background: #f59e0b; }

.step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p {
  color: var(--color-text-light);
  font-size: 0.93rem;
}

/* ============================================
   CTA / Download Section
   ============================================ */
.cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 72px 24px;
}

.cta h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  border: none;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  text-decoration: none;
}

.btn--white {
  background: #fff;
  color: var(--color-text);
}

.btn--outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn--outline:hover {
  border-color: #fff;
  color: #fff;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

/* Store Badges */
.store-badge {
  height: 48px;
  width: auto;
  transition: transform 0.2s, opacity 0.2s;
}

.store-badge:hover {
  transform: translateY(-2px);
  opacity: 0.85;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--color-bg-dark);
  color: #94a3b8;
  padding: 56px 24px 32px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand p {
  margin-top: 8px;
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-heading {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: #fff;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
}

/* ============================================
   Legal / Content Pages
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  padding: 64px 24px;
  text-align: center;
}

.page-hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.page-hero p {
  color: #94a3b8;
  font-size: 0.95rem;
}

.content-section {
  max-width: 800px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

.content-section h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--color-text);
}

.content-section h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 8px;
}

.content-section p {
  margin-bottom: 16px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.content-section ul,
.content-section ol {
  margin-bottom: 16px;
  padding-left: 24px;
  color: var(--color-text-light);
}

.content-section li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.content-section strong {
  color: var(--color-text);
}

/* ============================================
   Support Page
   ============================================ */
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.support-card {
  padding: 32px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.support-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-top: 12px;
  margin-bottom: 8px;
}

.support-card p {
  color: var(--color-text-light);
  font-size: 0.93rem;
  margin-bottom: 0;
}

.support-icon {
  font-size: 2rem;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.2s;
}

.faq-item summary:hover {
  background: var(--color-bg-alt);
}

.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--color-text-light);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px 18px;
  color: var(--color-text-light);
  line-height: 1.7;
  font-size: 0.95rem;
}

.contact-box {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  margin-top: 48px;
}

.contact-box h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-box p {
  color: var(--color-text-light);
  margin-bottom: 20px;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  }

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

  .nav-toggle {
    display: block;
  }

  .hero {
    padding: 64px 24px 56px;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

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

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