/* ============================================
   Shahriar Food — Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@600;700;800&display=swap');

:root {
  /* Color palette — warm food-industry tones */
  --green-900: #1a3c2a;
  --green-800: #1e4d35;
  --green-700: #276749;
  --green-600: #2f855a;
  --green-500: #38a169;
  --green-400: #68d391;
  --green-100: #e6f5ec;
  --green-50: #f0fff4;

  --amber-700: #b7791f;
  --amber-600: #d69e2e;
  --amber-500: #ecc94b;
  --amber-400: #f6e05e;
  --amber-100: #fefcbf;

  --orange-600: #dd6b20;
  --orange-500: #ed8936;

  --neutral-950: #0a0a0a;
  --neutral-900: #171717;
  --neutral-800: #262626;
  --neutral-700: #404040;
  --neutral-600: #525252;
  --neutral-500: #737373;
  --neutral-400: #a3a3a3;
  --neutral-300: #d4d4d4;
  --neutral-200: #e5e5e5;
  --neutral-100: #f5f5f5;
  --neutral-50: #fafafa;
  --white: #ffffff;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, var(--green-900) 0%, var(--green-700) 50%, var(--green-600) 100%);
  --gradient-accent: linear-gradient(135deg, var(--green-600) 0%, var(--green-500) 100%);
  --gradient-warm: linear-gradient(135deg, var(--amber-600) 0%, var(--orange-500) 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(26,60,42,0.85) 0%, rgba(39,103,73,0.7) 100%);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  /* Spacing */
  --section-py: 100px;
  --container-max: 1200px;
  --container-px: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
  --shadow-card: 0 4px 24px rgba(26,60,42,0.08);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 200ms;
  --duration-normal: 350ms;
  --duration-slow: 500ms;
}

/* ============================================
   Reset & Base
   ============================================ */

*, *::before, *::after {
  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-sans);
  color: var(--neutral-800);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

/* ============================================
   Navigation
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--duration-normal) var(--ease-smooth);
}

.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  padding: 12px 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  transition: color var(--duration-normal) var(--ease-smooth);
}

.navbar.scrolled .navbar-logo {
  color: var(--green-800);
}

.navbar-logo svg {
  width: 36px;
  height: 36px;
}

.logo-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: contain;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-links a {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: all var(--duration-fast) var(--ease-smooth);
}

.navbar.scrolled .navbar-links a {
  color: var(--neutral-600);
}

.navbar-links a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.15);
}

.navbar.scrolled .navbar-links a:hover {
  color: var(--green-700);
  background: var(--green-50);
}

.navbar-links .btn-nav {
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  color: var(--white);
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.3);
}

.navbar.scrolled .navbar-links .btn-nav {
  background: var(--green-600);
  color: var(--white);
  border-color: var(--green-600);
}

.navbar-links .btn-nav:hover {
  background: rgba(255,255,255,0.3);
}

.navbar.scrolled .navbar-links .btn-nav:hover {
  background: var(--green-700);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  margin: 6px 0;
  border-radius: 2px;
  transition: all var(--duration-fast) var(--ease-smooth);
}

.navbar.scrolled .menu-toggle span {
  background: var(--neutral-800);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 120px 0 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  color: var(--green-100);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 28px;
  animation: fadeInUp 0.8s var(--ease-smooth) 0.2s both;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--green-400);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s var(--ease-smooth) 0.4s both;
}

.hero h1 .accent {
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 560px;
  animation: fadeInUp 0.8s var(--ease-smooth) 0.6s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s var(--ease-smooth) 0.8s both;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.15);
  animation: fadeInUp 0.8s var(--ease-smooth) 1s both;
}

.hero-stat h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
}

.hero-stat p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 0;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--duration-normal) var(--ease-smooth);
}

.btn-primary {
  background: var(--white);
  color: var(--green-800);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
}

.btn-green {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(56,161,105,0.3);
}

.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(56,161,105,0.4);
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* ============================================
   Section Headers
   ============================================ */

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--green-50);
  color: var(--green-700);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--neutral-900);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--neutral-500);
  line-height: 1.7;
}

/* ============================================
   About Section
   ============================================ */

.about {
  padding: var(--section-py) 0;
  background: var(--neutral-50);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image img {
  width: 100%;
  height: 450px;
  object-fit: cover;
}

.about-image-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.about-image-badge h4 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--green-700);
  font-family: var(--font-display);
}

.about-image-badge p {
  font-size: 0.8rem;
  color: var(--neutral-500);
}

.about-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--neutral-900);
  line-height: 1.2;
  margin-bottom: 24px;
}

.about-text p {
  color: var(--neutral-600);
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.about-highlights {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--neutral-200);
}

.highlight-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.highlight-item strong {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--green-700);
  font-family: var(--font-display);
}

.highlight-item span {
  font-size: 0.8rem;
  color: var(--neutral-500);
  margin-top: 4px;
}

/* ============================================
   Products Section
   ============================================ */

.products {
  padding: var(--section-py) 0;
  background: var(--white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--neutral-50);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border: 1px solid var(--neutral-100);
  transition: all var(--duration-normal) var(--ease-smooth);
  text-align: center;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: var(--white);
}

.product-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.product-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 6px;
}

.product-card p {
  font-size: 0.85rem;
  color: var(--neutral-500);
  line-height: 1.5;
}

/* ============================================
   Coverage Section
   ============================================ */

.coverage {
  padding: var(--section-py) 0;
  background: var(--green-900);
  color: var(--white);
}

.coverage-content {
  display: flex;
  align-items: center;
  gap: 64px;
}

.coverage-text {
  flex: 1;
}

.coverage-text .section-label {
  background: rgba(255,255,255,0.1);
  color: var(--green-400);
}

.coverage-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.coverage-text p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.coverage-cta {
  margin-top: 8px;
}

.coverage-cta a {
  color: var(--green-400);
  font-weight: 600;
  transition: color var(--duration-fast) var(--ease-smooth);
}

.coverage-cta a:hover {
  color: var(--white);
}

.coverage-map {
  flex-shrink: 0;
  max-width: 420px;
}

.fleet-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

/* ============================================
   Contact Section — 3 Department Cards
   ============================================ */

.contact {
  padding: var(--section-py) 0;
  background: var(--neutral-50);
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.contact-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--neutral-100);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.contact-card:hover {
  box-shadow: var(--shadow-lg);
}

.card-header {
  padding: 24px 24px 20px;
  text-align: center;
}

.card-header.sales {
  background: linear-gradient(135deg, var(--green-800) 0%, var(--green-600) 100%);
  color: var(--white);
}

.card-header.procurement {
  background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
  color: var(--white);
}

.card-header.hr {
  background: linear-gradient(135deg, #5b21b6 0%, #7c3aed 100%);
  color: var(--white);
}

.card-header-icon {
  font-size: 1.75rem;
  margin-bottom: 6px;
}

.card-header h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.card-header p {
  font-size: 0.8rem;
  opacity: 0.8;
}

.card-form {
  padding: 24px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--neutral-700);
  margin-bottom: 5px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--neutral-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--neutral-800);
  background: var(--neutral-50);
  transition: all var(--duration-fast) var(--ease-smooth);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 4px rgba(56,161,105,0.1);
  background: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 70px;
}

.btn-submit {
  width: 100%;
  padding: 12px;
  background: var(--gradient-accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-smooth);
  margin-top: 2px;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(56,161,105,0.3);
}

/* Field validation errors */
.input-error {
  border-color: #e53e3e !important;
  box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.15) !important;
}

.field-error {
  display: block;
  font-size: 0.75rem;
  color: #e53e3e;
  margin-top: 4px;
  font-weight: 500;
}

.form-error-banner {
  background: #fff5f5;
  border: 1px solid #fed7d7;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.8rem;
  color: #c53030;
  margin-bottom: 10px;
  line-height: 1.4;
}

/* Contact locations & map */
.contact-locations {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.locations-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.location-card {
  background: var(--white);
  border: 1px solid var(--neutral-100);
  border-radius: var(--radius-md);
  padding: 20px;
  position: relative;
}

.location-card.current {
  border-color: var(--green-400);
  background: var(--green-50);
}

.location-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--green-600);
  color: var(--white);
  margin-bottom: 8px;
}

.location-badge.secondary {
  background: var(--neutral-400);
}

.location-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--neutral-800);
  margin-bottom: 6px;
}

.location-card p {
  font-size: 0.85rem;
  color: var(--neutral-500);
  line-height: 1.5;
}

.locations-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* Form success message */
.form-success {
  text-align: center;
  padding: 32px 16px;
}

.form-success .check-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.form-success h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--green-700);
  margin-bottom: 6px;
}

.form-success p {
  font-size: 0.85rem;
  color: var(--neutral-500);
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--neutral-950);
  color: var(--white);
  padding: 48px 0 24px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  margin-bottom: 32px;
}

.footer-brand h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: contain;
}

.footer-brand p {
  color: var(--neutral-400);
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 420px;
}

.footer-address {
  color: var(--neutral-500);
  font-size: 0.8rem;
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--neutral-400);
  font-size: 0.85rem;
  transition: color var(--duration-fast) var(--ease-smooth);
}

.footer-links a:hover {
  color: var(--green-400);
}

.footer-bottom {
  border-top: 1px solid var(--neutral-800);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--neutral-500);
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(32px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.7s var(--ease-smooth);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .contact-cards {
    grid-template-columns: 1fr;
  }

  .contact-locations {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-py: 64px;
  }

  .navbar-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 80px 24px 24px;
    gap: 4px;
    box-shadow: var(--shadow-xl);
    transition: right var(--duration-normal) var(--ease-smooth);
  }

  .navbar-links.open {
    right: 0;
  }

  .navbar-links a {
    color: var(--neutral-700);
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
  }

  .navbar-links a:hover {
    background: var(--green-50);
    color: var(--green-700);
  }

  .navbar-links .btn-nav {
    background: var(--green-600);
    color: var(--white);
    text-align: center;
    justify-content: center;
    margin-top: 12px;
    border-color: var(--green-600);
  }

  .menu-toggle {
    display: block;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

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

  .about-highlights {
    flex-wrap: wrap;
  }

  .contact-footer {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .footer-content {
    flex-direction: column;
    gap: 24px;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 16px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }

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

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