/* ============================================
   STUART SADLER - MODERN EXECUTIVE WEBSITE
   Design: Notion-inspired + Bold Blocks + Executive Clarity
   ============================================ */

:root {
  /* Brand Colours - Vibrant & Professional */
  --primary: #6366F1; /* Indigo */
  --primary-light: #818CF8;
  --secondary: #06B6D4; /* Cyan */
  --secondary-light: #22D3EE;
  --accent: #F59E0B; /* Amber */
  --accent-light: #FCD34D;
  --coral: #F97316; /* Orange/Coral */
  --purple: #A855F7;
  --teal: #14B8A6;
  
  /* Neutrals */
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-900: #111827;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
  --gradient-secondary: linear-gradient(135deg, #06B6D4 0%, #3B82F6 100%);
  --gradient-warm: linear-gradient(135deg, #F59E0B 0%, #F97316 100%);
  --gradient-purple: linear-gradient(135deg, #A855F7 0%, #EC4899 100%);
  --gradient-teal: linear-gradient(135deg, #14B8A6 0%, #06B6D4 100%);
}

/* ============================================
   RESET & BASE
   ============================================ */

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

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

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--gray-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--gray-900);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--gray-700);
  font-size: 1.125rem;
  line-height: 1.7;
}

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

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

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

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-xs);
  color: var(--gray-700);
}

/* ============================================
   SIGNATURE STRIP
   ============================================ */

.signature-strip {
  height: 70px;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.signature-strip::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(99, 102, 241, 0.08) 25%, 
    rgba(6, 182, 212, 0.08) 50%, 
    rgba(245, 158, 11, 0.08) 75%, 
    transparent 100%
  );
  animation: shimmer 6s infinite linear;
}

@keyframes shimmer {
  0% { transform: translateX(0); }
  100% { transform: translateX(50%); }
}

.signature-strip img {
  height: 50px;
  width: auto;
  opacity: 0.9;
  filter: grayscale(20%);
  position: relative;
  z-index: 1;
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav-wrapper {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav-logo:hover {
  color: var(--primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
}

.nav-menu li {
  margin: 0;
}

.nav-menu a {
  color: var(--gray-700);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
  display: inline-block;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-menu a.active {
  color: var(--primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--gray-900);
  transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  position: relative;
  overflow: hidden;
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 20s infinite ease-in-out;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 15s infinite ease-in-out reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .subheadline {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  color: var(--gray-600);
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

/* ============================================
   SECTIONS & CONTAINERS
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

.section-tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--gray-100);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-title {
  margin-bottom: var(--spacing-md);
}

.section-description {
  font-size: 1.25rem;
  color: var(--gray-600);
}

/* ============================================
   CARDS & GRIDS
   ============================================ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  color: var(--white);
}

.card h3 {
  margin-bottom: var(--spacing-sm);
}

.card p {
  color: var(--gray-600);
  font-size: 1rem;
  line-height: 1.6;
}

/* ============================================
   AVAILABILITY BANNER
   ============================================ */

.availability-banner {
  background: var(--gradient-warm);
  color: var(--white);
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: center;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-lg);
  margin: var(--spacing-2xl) 0;
  border-radius: var(--radius-md);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

/* ============================================
   FEATURE BLOCKS
   ============================================ */

.feature-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

.feature-item {
  padding: var(--spacing-lg);
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all 0.3s ease;
}

.feature-item:nth-child(2) {
  background: var(--gradient-secondary);
}

.feature-item:nth-child(3) {
  background: var(--gradient-purple);
}

.feature-item:nth-child(4) {
  background: var(--gradient-teal);
}

.feature-item:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.feature-item h3 {
  color: var(--white);
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

.feature-item p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
}

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

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: var(--font-sans);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.form-checkbox input[type="checkbox"] {
  width: auto;
  margin-top: 0.25rem;
  cursor: pointer;
}

.form-checkbox label {
  margin: 0;
  font-weight: 400;
  cursor: pointer;
}

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

/* ============================================
   COOKIE BANNER
   ============================================ */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 2px solid #333;
  padding: 20px;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
  z-index: 9999;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.cookie-content p {
  margin: 0;
  flex: 1;
  min-width: 300px;
  font-size: 14px;
  line-height: 1.5;
}

.cookie-content a {
  color: #0066cc;
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
}

.cookie-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  white-space: nowrap;
}

.cookie-btn.reject {
  background: #f5f5f5;
  color: #333;
}

.cookie-btn.reject:hover {
  background: #e5e5e5;
}

.cookie-btn.accept {
  background: #333;
  color: #fff;
}

.cookie-btn.accept:hover {
  background: #000;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-3xl);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.footer-section p,
.footer-section a {
  color: var(--gray-300);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-xs);
}

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

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-lg) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: var(--gray-400);
  font-size: 0.875rem;
}

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

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero {
    min-height: 60vh;
    padding: var(--spacing-2xl) var(--spacing-md);
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-block {
    grid-template-columns: 1fr;
  }
  
  .cookie-banner {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-actions {
    width: 100%;
    flex-direction: column;
  }
  
  .btn-accept {
    width: 100%;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

/* ============================================
   ABOUT PAGE - PHOTO FAN
   ============================================ */

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.about-text {
  /* Text takes left column */
}

.photo-fan {
  position: relative;
  width: 380px;
  height: 320px;
  margin: 0 auto;
}

.photo-card {
  position: absolute;
}

.photo-card img {
  width: 260px;
  height: auto;
  border: 8px solid white;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-radius: 2px;
}

.photo-card.photo-1 {
  top: 0;
  left: 0;
  transform: rotate(-4deg);
  z-index: 1;
}

.photo-card.photo-2 {
  bottom: 0;
  right: 0;
  transform: rotate(3deg);
  z-index: 2;
}

/* Hover effects - bring hovered photo to front */
.photo-card:hover {
  z-index: 10 !important;
  transform: scale(1.05) rotate(0deg) !important;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 968px) {
  .about-intro-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .photo-fan {
    height: 350px;
    margin-top: var(--spacing-xl);
  }
  
  .photo-card {
    width: 240px;
    height: 300px;
  }
}

@media (max-width: 640px) {
  .photo-fan {
    height: 280px;
  }
  
  .photo-card {
    width: 200px;
    height: 250px;
  }
  
  .photo-1 {
    transform: rotate(-8deg) translateX(-20px);
  }
  
  .photo-3 {
    transform: rotate(8deg) translateX(20px);
  }
}

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

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}