/* ================================================
   RUDD Seafood Suppliers - Website Styles
   Premium Design System
   ================================================ */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Ocean-inspired Color Palette */
  --primary-blue: #0a4d68;
  --secondary-teal: #088395;
  --accent-coral: #ff6b6b;
  --ocean-light: #05bfdb;
  --ocean-dark: #023e57;
  
  /* Neutral Colors */
  --white: #ffffff;
  --off-white: #f8f9fa;
  --light-gray: #e9ecef;
  --gray: #6c757d;
  --dark-gray: #343a40;
  --black: #000000;
  
  /* Gradients */
  --gradient-ocean: linear-gradient(135deg, #0a4d68 0%, #088395 50%, #05bfdb 100%);
  --gradient-sunset: linear-gradient(135deg, #ff6b6b 0%, #ffa500 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(10, 77, 104, 0.8) 0%, rgba(8, 131, 149, 0.6) 100%);
  
  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 40px rgba(5, 191, 219, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  color: var(--dark-gray);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--off-white);
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-normal);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: var(--gradient-ocean);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--primary-blue);
}

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

p {
  margin-bottom: var(--spacing-sm);
  font-size: clamp(1rem, 2vw, 1.125rem);
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.navbar.scrolled {
  padding: var(--spacing-xs) var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 60px;
  transition: var(--transition-normal);
}

.navbar.scrolled .logo {
  height: 50px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--primary-blue);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 8px;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-ocean);
  transition: var(--transition-normal);
}

.nav-link:hover::after {
  width: 80%;
}

.nav-link:hover {
  color: var(--secondary-teal);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-blue);
  border-radius: 3px;
  transition: var(--transition-normal);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../assets/images/hero-banner.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  z-index: -2;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-overlay);
  z-index: -1;
}

.hero-content {
  max-width: 900px;
  color: var(--white);
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
  color: var(--ocean-light);
}

.hero h1 {
  -webkit-text-fill-color: var(--white);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-description {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.95);
}

.cta-button {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--gradient-sunset);
  color: var(--white);
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(255, 107, 107, 0.4);
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-indicator svg {
  width: 30px;
  height: 30px;
  fill: var(--white);
  opacity: 0.8;
}

/* ===== SECTION STYLES ===== */
section {
  padding: var(--spacing-xl) var(--spacing-md);
  position: relative;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-subtitle {
  color: var(--accent-coral);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
}

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

.section-description {
  max-width: 700px;
  margin: 0 auto;
  color: var(--gray);
}

/* ===== ABOUT SECTION ===== */
.about {
  background: var(--white);
}

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

.about-card {
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(8, 131, 149, 0.2);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  text-align: center;
}

.about-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--secondary-teal);
}

.about-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-sm);
  background: var(--gradient-ocean);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--white);
  box-shadow: var(--shadow-glow);
}

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

.about-card p {
  color: var(--gray);
  line-height: 1.8;
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio {
  background: linear-gradient(180deg, var(--off-white) 0%, var(--white) 100%);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.client-logo {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: 15px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 150px;
  transition: var(--transition-normal);
  border: 2px solid transparent;
}

.client-logo:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
  border-color: var(--ocean-light);
}

.client-logo img {
  max-width: 150px;
  opacity: 0.7;
  transition: var(--transition-normal);
  filter: grayscale(100%);
}

.client-logo:hover img {
  opacity: 1;
  filter: grayscale(0%);
}

/* Placeholder for client logos */
.client-placeholder {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-blue);
  text-align: center;
}

/* ===== CONTACT SECTION ===== */
.contact {
  background: var(--primary-blue);
  color: var(--white);
}

.contact .section-title,
.contact .section-subtitle {
  color: var(--white);
}

.contact .section-description {
  color: rgba(255, 255, 255, 0.9);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.contact-form {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--spacing-md);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--ocean-light);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.9);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-normal);
  color: var(--dark-gray);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--ocean-light);
  box-shadow: 0 0 0 3px rgba(5, 191, 219, 0.2);
}

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

.form-group.error input,
.form-group.error textarea {
  border-color: var(--accent-coral);
}

.error-message {
  color: var(--accent-coral);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  display: none;
}

.form-group.error .error-message {
  display: block;
}

.submit-button {
  width: 100%;
  padding: 1rem;
  background: var(--gradient-sunset);
  color: var(--white);
  font-weight: 600;
  font-size: 1.1rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-md);
}

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

.submit-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-message {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: 10px;
  text-align: center;
  display: none;
}

.form-message.success {
  background: rgba(40, 167, 69, 0.2);
  border: 1px solid rgba(40, 167, 69, 0.5);
  color: #28a745;
  display: block;
}

.form-message.error {
  background: rgba(255, 107, 107, 0.2);
  border: 1px solid rgba(255, 107, 107, 0.5);
  color: var(--accent-coral);
  display: block;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.info-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--spacing-md);
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  transition: var(--transition-normal);
}

.info-card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateX(10px);
}

.info-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-sunset);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.info-content h4 {
  color: var(--ocean-light);
  margin-bottom: var(--spacing-xs);
  font-size: 1.1rem;
}

.info-content p {
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--ocean-dark);
  color: var(--white);
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
}

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

.footer-section h3 {
  color: var(--ocean-light);
  margin-bottom: var(--spacing-sm);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-xs);
}

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

.footer-logo {
  height: 80px;
  margin-bottom: var(--spacing-sm);
}

.quick-links {
  list-style: none;
}

.quick-links li {
  margin-bottom: var(--spacing-xs);
}

.quick-links a {
  display: inline-block;
  transition: var(--transition-fast);
}

.quick-links a:hover {
  transform: translateX(5px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

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

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

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

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    width: 100%;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .hero {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
  
  section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
}