/* ===================================
   VillaSentinel - Apple-Inspired Design
   Version 2.0 - November 2025
   =================================== */

/* ===================================
   CSS VARIABLES - Design System
   =================================== */

:root {
  /* === COLORS === */
  /* Navy Palette */
  --color-navy-deep: #0a1929;
  --color-navy: #1a2942;
  --color-navy-light: #2d3f5f;

  /* Gold Palette */
  --color-gold: #d4af37;
  --color-gold-light: #e8c76f;
  --color-gold-dark: #b8941f;

  /* Neutrals */
  --color-white: #ffffff;
  --color-off-white: #f8f9fa;
  --color-cream: #faf9f7;

  /* Text Colors */
  --text-primary: #0a1929;
  --text-secondary: #64748b;
  --text-tertiary: #94a3b8;
  --text-on-dark: #ffffff;
  --text-on-dark-secondary: #cbd5e1;

  /* Semantic */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Gradients */
  --gradient-navy: linear-gradient(135deg, #0a1929 0%, #1a2942 100%);
  --gradient-gold: linear-gradient(135deg, #d4af37 0%, #e8c76f 100%);
  --gradient-premium: linear-gradient(135deg, #0a1929 0%, #2d3f5f 50%, #d4af37 100%);

  /* === TYPOGRAPHY === */
  /* Fonts - SF Pro Display with system fallbacks */
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", system-ui, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", system-ui, sans-serif;
  --font-mono: "SF Mono", Menlo, Monaco, "Courier New", monospace;

  /* Font Sizes */
  --text-display-xxl: 96px;
  --text-display-xl: 72px;
  --text-display-lg: 60px;
  --text-h1: 48px;
  --text-h2: 36px;
  --text-h3: 28px;
  --text-h4: 24px;
  --text-h5: 20px;
  --text-xl: 20px;
  --text-lg: 18px;
  --text-base: 16px;
  --text-sm: 14px;
  --text-xs: 12px;

  /* Font Weights */
  --font-thin: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-black: 900;

  /* Line Heights */
  --leading-tight: 1.1;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-relaxed: 1.8;
  --leading-loose: 2.0;

  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;

  /* === SPACING (8px Grid) === */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;
  --space-40: 160px;

  /* === BORDER RADIUS === */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* === SHADOWS (Subtle Apple-style) === */
  --shadow-xs: 0 1px 2px rgba(10, 25, 41, 0.05);
  --shadow-sm: 0 2px 4px rgba(10, 25, 41, 0.06);
  --shadow-md: 0 4px 8px rgba(10, 25, 41, 0.08);
  --shadow-lg: 0 8px 16px rgba(10, 25, 41, 0.1);
  --shadow-xl: 0 12px 24px rgba(10, 25, 41, 0.12);
  --shadow-2xl: 0 20px 40px rgba(10, 25, 41, 0.15);
  --shadow-gold: 0 8px 24px rgba(212, 175, 55, 0.2);

  /* === ANIMATION === */
  --ease-in-out: cubic-bezier(0.4, 0.0, 0.2, 1);
  --ease-out: cubic-bezier(0.0, 0.0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0.0, 1, 1);
  --ease-apple: cubic-bezier(0.25, 0.1, 0.25, 1);

  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;
  --duration-slower: 600ms;
}

/* ===================================
   BASE STYLES
   =================================== */

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  background: var(--color-off-white);
}

/* ===================================
   TYPOGRAPHY
   =================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

h1 {
  font-size: var(--text-h1);
  font-weight: var(--font-black);
}

h2 {
  font-size: var(--text-h2);
  font-weight: var(--font-bold);
}

h3 {
  font-size: var(--text-h3);
}

h4 {
  font-size: var(--text-h4);
}

h5 {
  font-size: var(--text-h5);
}

p {
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

.text-display-xxl {
  font-size: var(--text-display-xxl);
  font-weight: var(--font-black);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tighter);
}

.text-display-xl {
  font-size: var(--text-display-xl);
  font-weight: var(--font-black);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

/* ===================================
   GLASSMORPHISM COMPONENTS
   =================================== */

.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--duration-slow) var(--ease-apple);
}

.glass-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: rgba(212, 175, 55, 0.3);
}

.glass-dark {
  background: rgba(10, 25, 41, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.glass-gold {
  background: rgba(212, 175, 55, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-xl);
}

/* ===================================
   BUTTONS (Apple Style)
   =================================== */

.btn-primary {
  background: var(--gradient-navy);
  color: var(--color-white);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  font-weight: var(--font-semibold);
  font-size: 17px;
  letter-spacing: -0.02em;
  border: none;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  transition: all var(--duration-base) var(--ease-apple);
  box-shadow: 0 4px 12px rgba(10, 25, 41, 0.15);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10, 25, 41, 0.25);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-gold {
  background: var(--gradient-gold);
  color: var(--color-navy-deep);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  font-weight: var(--font-semibold);
  font-size: 17px;
  letter-spacing: -0.02em;
  border: none;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  transition: all var(--duration-base) var(--ease-apple);
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--color-navy-deep);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  font-weight: var(--font-semibold);
  font-size: 17px;
  border: 2px solid var(--color-navy-deep);
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  transition: all var(--duration-base) var(--ease-apple);
}

.btn-secondary:hover {
  background: var(--color-navy-deep);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ===================================
   CARDS
   =================================== */

.card-premium {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  transition: all var(--duration-slow) var(--ease-apple);
}

.card-premium:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: rgba(212, 175, 55, 0.3);
}

.feature-card {
  text-align: center;
  padding: var(--space-8);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  transition: all var(--duration-slow) var(--ease-apple);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: rgba(212, 175, 55, 0.3);
}

.feature-icon {
  width: 72px;
  height: 72px;
  background: var(--gradient-navy);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  font-size: 36px;
  box-shadow: var(--shadow-lg);
}

/* ===================================
   BENTO GRID LAYOUT
   =================================== */

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-6);
  padding: var(--space-20) 0;
}

.bento-main {
  grid-column: span 7;
  grid-row: span 2;
  background: var(--gradient-navy);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.bento-stat {
  grid-column: span 5;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.bento-feature {
  grid-column: span 5;
  background: var(--gradient-gold);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  color: var(--color-navy-deep);
}

.bento-badge {
  grid-column: span 4;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.bento-video {
  grid-column: span 8;
  background: var(--color-navy-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  min-height: 300px;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .bento-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .bento-main,
  .bento-stat,
  .bento-feature,
  .bento-badge,
  .bento-video {
    grid-column: span 1;
    grid-row: span 1;
  }
}

/* ===================================
   LANGUAGE SWITCHER DROPDOWN
   =================================== */

.lang-dropdown-wrapper {
  position: relative;
}

.lang-dropdown-button {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(10, 25, 41, 0.1);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-apple);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.lang-dropdown-button:hover {
  background: rgba(255, 255, 255, 1);
  border-color: rgba(212, 175, 55, 0.3);
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(10, 25, 41, 0.1);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  min-width: 140px;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--duration-base) var(--ease-apple);
}

.lang-dropdown-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.lang-dropdown-item:hover {
  background: rgba(212, 175, 55, 0.1);
}

.lang-dropdown-item.active {
  background: rgba(10, 25, 41, 0.05);
  font-weight: var(--font-semibold);
}

/* Mobile: Keep flags */
@media (max-width: 768px) {
  .lang-dropdown-wrapper {
    display: none;
  }

  .lang-switcher-mobile {
    display: flex;
    gap: var(--space-2);
  }

  .lang-btn-mobile {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    background: transparent;
    border: 2px solid transparent;
  }

  .lang-btn-mobile.active {
    background: var(--color-navy-deep);
    color: var(--color-white);
    border-color: var(--color-gold);
  }
}

/* ===================================
   FAQ ACCORDION
   =================================== */

.faq-item {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-3);
  border: 1px solid rgba(10, 25, 41, 0.05);
  transition: all var(--duration-base) var(--ease-apple);
}

.faq-item:hover {
  border-color: rgba(212, 175, 55, 0.3);
  box-shadow: var(--shadow-md);
}

.faq-question {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: var(--font-semibold);
  font-size: var(--text-lg);
  color: var(--text-primary);
  user-select: none;
}

.faq-answer {
  margin-top: var(--space-3);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.faq-icon {
  transition: transform var(--duration-base) var(--ease-apple);
  color: var(--color-gold);
  font-size: 24px;
}

.faq-icon.rotate-180 {
  transform: rotate(180deg);
}

/* ===================================
   TESTIMONIALS
   =================================== */

.testimonial-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  border-left: 4px solid var(--color-gold);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  font-style: italic;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 60px;
  color: var(--color-gold);
  opacity: 0.15;
  font-family: Georgia, serif;
}

/* ===================================
   FORMS
   =================================== */

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid rgba(10, 25, 41, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-family: var(--font-body);
  background: rgba(255, 255, 255, 0.9);
  transition: all var(--duration-base) var(--ease-apple);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
  background: var(--color-white);
}

label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

/* ===================================
   UTILITIES
   =================================== */

.section-spacing {
  padding: var(--space-32) 0;
}

@media (max-width: 768px) {
  .section-spacing {
    padding: var(--space-16) 0;
  }
}

/* Gradients */
.bg-gradient-navy {
  background: var(--gradient-navy);
}

.bg-gradient-gold {
  background: var(--gradient-gold);
}

.bg-gradient-premium {
  background: var(--gradient-premium);
}

/* Text gradients */
.text-gradient-gold {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Scroll animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn var(--duration-slower) var(--ease-apple);
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--duration-slower) var(--ease-apple);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   ACCESSIBILITY
   =================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

*:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 640px) {
  .text-display-xxl {
    font-size: 48px;
  }

  .text-display-xl {
    font-size: 40px;
  }

  .text-h1 {
    font-size: 32px;
  }

  .text-h2 {
    font-size: 28px;
  }
}