/* Tool'Ami Website - Matching iOS App Design System */

:root {
  /* Tool'Ami Brand Colors - Matching iOS DesignSystem.swift */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --accent: #8b92ff;
  --bg-dark: #0a0e1a;  /* backgroundPrimary from iOS */
  --bg-secondary: #121826;  /* backgroundSecondary from iOS */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.75);
  --text-muted: rgba(255, 255, 255, 0.5);
  --text-subtle: rgba(255, 255, 255, 0.35);
  --glass: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-hover: rgba(255, 255, 255, 0.12);
  --success: #22c55e;
  --error: #ef4444;

  /* Shadows - Subtle and minimal like iOS */
  --shadow-primary: rgba(99, 102, 241, 0.2);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

  /* Layout - Matching iOS DesignSystem spacing and radius */
  --radius: 16px;
  --radius-small: 12px;
  --radius-lg: 20px;
  --radius-xlg: 28px;
  --spacing-xs: 4px;
  --spacing-s: 8px;
  --spacing-m: 16px;
  --spacing-l: 24px;
  --spacing-xl: 32px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Animated Background Mesh */
.background-mesh {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 146, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(34, 211, 238, 0.08) 0%, transparent 50%);
  animation: meshFloat 20s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
}

@keyframes meshFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-20px, -20px) scale(1.05); }
  66% { transform: translate(20px, -10px) scale(0.95); }
}

/* Container */
.container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== SIMPLE PAGE STRUCTURE ===== */

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--spacing-l) var(--spacing-m);
  backdrop-filter: blur(20px);
  background: rgba(10, 14, 26, 0.8);
  border-bottom: 1px solid var(--glass-border);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-s);
  font-size: 0.95rem;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
  padding: var(--spacing-s) var(--spacing-m);
  border-radius: var(--radius-small);
}

nav a:hover {
  color: var(--text-primary);
  background: var(--glass);
}

nav a[href="index.html"] {
  color: var(--accent);
  font-weight: 600;
}

nav a[aria-current="page"] {
  color: var(--text-primary);
  background: var(--glass);
}

nav span {
  color: var(--text-subtle);
}

/* Main Content Area */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-m);
  position: relative;
  z-index: 1;
}

main > h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-xl);
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

main > p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-l);
  line-height: 1.7;
}

/* Sections */
section {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-l);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

section:hover {
  background: var(--glass-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

section h2 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-m);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-s);
}

section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: var(--spacing-l);
  margin-bottom: var(--spacing-m);
  color: var(--accent);
}

section p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-m);
  line-height: 1.7;
}

section ul {
  list-style: none;
  padding: 0;
  margin: var(--spacing-m) 0;
}

section li {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-s);
  padding-left: var(--spacing-l);
  position: relative;
  line-height: 1.7;
}

section li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

section li strong {
  color: var(--text-primary);
  font-weight: 600;
}

section a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
  border-bottom: 1px solid transparent;
}

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

/* Emphasized paragraphs */
section p > strong {
  color: var(--text-primary);
  font-weight: 600;
}

section p > em {
  color: var(--text-muted);
  font-style: italic;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 80px 20px 60px;
  animation: fadeInUp 0.8s ease;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.logo-container {
  margin-bottom: 32px;
}

.logo {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  box-shadow:
    0 20px 40px rgba(99, 102, 241, 0.3),
    0 0 0 1px var(--glass-border);
  animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.badge-primary {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(99, 102, 241, 0.1));
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--accent);
}

.badge-accent {
  background: linear-gradient(135deg, rgba(139, 146, 255, 0.2), rgba(139, 146, 255, 0.1));
  border: 1px solid rgba(139, 146, 255, 0.3);
  color: #a5b4fc;
}

.badge-success {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(34, 197, 94, 0.1));
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #86efac;
}

/* Sections */
.features-section,
.steps-section,
.security-section,
.download-section,
.contact-section {
  padding: 60px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.feature-card {
  background: linear-gradient(135deg, var(--glass), rgba(255, 255, 255, 0.03));
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
  animation: fadeInUp 0.6s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: white;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
  position: relative;
}

.feature-icon i {
  font-size: 28px;
  color: white;
  z-index: 1;
}

/* Fallback text if icons don't load */
.feature-icon::before {
  content: attr(data-icon);
  position: absolute;
  font-size: 24px;
  font-weight: bold;
  color: white;
  opacity: 0;
}

.feature-icon:empty::before,
.feature-icon i:empty::before {
  opacity: 1;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

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

/* Steps */
.steps-container {
  max-width: 700px;
  margin: 0 auto;
}

.step {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
  padding: 24px;
  background: var(--glass);
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  opacity: 0;
  transform: translateX(-20px);
  transition: var(--transition);
}

.step.visible {
  opacity: 1;
  transform: translateX(0);
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: bold;
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.step-content h4 {
  font-size: 1.125rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Security Grid */
.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.security-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--glass);
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  opacity: 0;
  transition: var(--transition);
}

.security-item.visible {
  opacity: 1;
  animation: fadeIn 0.5s ease;
}

.security-item i {
  font-size: 20px;
  color: var(--accent);
}

.security-item span {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Download Section */
.download-section {
  text-align: center;
  padding: 80px 0;
}

.download-content {
  max-width: 600px;
  margin: 0 auto;
}

.download-text {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.download-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.download-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* Contact Section */
.contact-section {
  text-align: center;
  padding: 60px 0;
}

.contact-content {
  max-width: 500px;
  margin: 0 auto;
}

.contact-content p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  width: 100%;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 16px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

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

.btn-submit {
  width: 100%;
}

.form-status {
  margin-top: 16px;
  padding: 12px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  display: none;
  align-items: center;
  gap: 8px;
}

.form-status.success,
.form-status.error {
  display: flex;
  justify-content: center;
}

.form-status.success {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #86efac;
}

.form-status.error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

/* Footer */
footer {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-xl) var(--spacing-m);
  border-top: 1px solid var(--glass-border);
  text-align: center;
  position: relative;
  z-index: 1;
}

footer p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: var(--spacing-s) 0;
}

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

footer a:hover {
  color: var(--accent);
}

footer span {
  margin: 0 var(--spacing-s);
  color: var(--text-subtle);
}

/* Legacy footer classes for compatibility */
.footer {
  margin-top: 80px;
  padding: 40px 20px;
  border-top: 1px solid var(--glass-border);
  text-align: center;
}

.footer-content {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-links {
  margin-top: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

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

.separator {
  margin: 0 12px;
  color: var(--text-muted);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Homepage-specific hero styling */
.homepage-hero {
  text-align: center;
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-xl);
}

.homepage-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: var(--spacing-m);
}

.homepage-hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto var(--spacing-l);
}

.homepage-hero .cta-buttons {
  display: flex;
  gap: var(--spacing-m);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-m);
}

.homepage-hero .cta-buttons a {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-s);
  padding: var(--spacing-m) var(--spacing-l);
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.homepage-hero .cta-buttons a:first-child {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 12px var(--shadow-primary);
}

.homepage-hero .cta-buttons a:first-child:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--shadow-primary);
}

.homepage-hero .cta-buttons a:not(:first-child) {
  background: var(--glass);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.homepage-hero .cta-buttons a:not(:first-child):hover {
  background: var(--glass-hover);
}

/* App icon/logo display */
.app-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-l);
  border-radius: var(--radius-xlg);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3), 0 0 0 1px var(--glass-border);
  animation: logoFloat 6s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Responsive */
@media (max-width: 768px) {
  header {
    padding: var(--spacing-m);
  }

  nav {
    font-size: 0.85rem;
    gap: 4px;
  }

  nav a {
    padding: 6px 12px;
  }

  main {
    padding: var(--spacing-l) var(--spacing-m);
  }

  main > h1 {
    font-size: 2rem;
  }

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

  section h2 {
    font-size: 1.5rem;
  }

  .homepage-hero .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .homepage-hero .cta-buttons a {
    justify-content: center;
  }

  .hero {
    padding: 60px 20px 40px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

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

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

  .download-buttons {
    flex-direction: column;
  }

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

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

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