/* ==========================================================================
   SSK TRADERS — ENTERPRISE UNIFIED DESIGN SYSTEM
   Standardized Buttons, Crisp Borders, Elevation & Responsive Layout
   ========================================================================== */

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

/* ==========================================================================
   DESIGN TOKENS
   ========================================================================== */
:root {
  /* Brand Colors */
  --color-primary:        #1B4332; /* Deep Forest Green */
  --color-primary-dark:   #0D2B1F;
  --color-primary-light:  #2D6A4F;
  --color-secondary:      #0F1F3D; /* Dark Navy */
  --color-secondary-light:#182E54;
  --color-accent:         #C9A84C; /* Warm Subtle Gold */
  --color-accent-light:   #DFBF69;
  --color-accent-dark:    #B3923B;
  
  /* Surfaces & Backgrounds */
  --color-bg:             #FFFFFF;
  --color-bg-warm:        #FAF8F5; /* Warm Natural Beige */
  --color-bg-muted:       #F3F0EA;
  --color-card-bg:        #FFFFFF;
  
  /* Typography */
  --color-text:           #1A1A1A;
  --color-text-muted:     #5E6573;
  --color-text-light:     #8C93A0;
  --font-sans:            'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display:         'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Standardized Borders */
  --border-color:         #E5E2DB;
  --border-color-light:   #EFECE6;
  --border-color-focus:   #1B4332;
  --border-color-accent:  rgba(201, 168, 76, 0.4);

  /* Standardized Corner Radii */
  --radius-sm:            6px;
  --radius-md:            8px;   /* Default for buttons, inputs */
  --radius-lg:            12px;  /* Default for cards */
  --radius-xl:            16px;  /* Default for modals, large containers */

  /* Shadows */
  --shadow-xs:            0 1px 2px rgba(15, 31, 61, 0.04);
  --shadow-sm:            0 2px 4px rgba(15, 31, 61, 0.06);
  --shadow-md:            0 4px 16px rgba(15, 31, 61, 0.08);
  --shadow-lg:            0 10px 30px rgba(15, 31, 61, 0.12);
  --shadow-gold:          0 4px 14px rgba(201, 168, 76, 0.35);
  --shadow-green:         0 4px 14px rgba(27, 67, 50, 0.28);

  /* Transitions */
  --transition-fast:      all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal:    all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   BASE RESETS & GLOBALS
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-secondary);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

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

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

/* Scrollbar */
::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: var(--color-bg-warm); }
::-webkit-scrollbar-thumb { background: #C4BFB5; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-light); }

/* Container */
.container-xl {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (min-width: 1024px) {
  .container-xl {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* ==========================================================================
   UNIFIED BUTTON SYSTEM (Single, Consistent Across ALL Pages)
   Applied automatically whether using .btn or specific variant classes
   ========================================================================== */
.btn,
.btn-primary,
.btn-secondary,
.btn-outline,
.btn-outline-dark,
.btn-ghost,
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 44px;
  padding: 0 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.015em;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none !important;
  transition: var(--transition-fast);
  user-select: none;
  box-shadow: 0 1px 2px rgba(15, 31, 61, 0.05);
}

.btn:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-outline:focus-visible,
.btn-outline-dark:focus-visible,
.btn-ghost:focus-visible,
.btn-whatsapp:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn:disabled,
.btn-primary:disabled,
.btn-secondary:disabled,
.btn-outline:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Button Sizing Variations */
.btn-sm {
  height: 38px !important;
  padding: 0 1.15rem !important;
  font-size: 0.8125rem !important;
  border-radius: var(--radius-sm) !important;
}

.btn-lg {
  height: 50px !important;
  padding: 0 2rem !important;
  font-size: 0.95rem !important;
  border-radius: var(--radius-md) !important;
}

/* Primary Button (Subtle Warm Gold with Navy Text) */
.btn-primary {
  background: var(--color-accent) !important;
  color: var(--color-secondary) !important;
  border-color: var(--color-accent-dark) !important;
  box-shadow: 0 1px 2px rgba(15, 31, 61, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.28) !important;
}

.btn-primary:hover {
  background: var(--color-accent-light) !important;
  border-color: var(--color-accent) !important;
  color: var(--color-secondary) !important;
  transform: translateY(-1.5px) !important;
  box-shadow: var(--shadow-gold) !important;
}

.btn-primary:active {
  transform: translateY(0) !important;
  box-shadow: 0 1px 2px rgba(15, 31, 61, 0.05) !important;
}

/* Secondary Button (Deep Forest Green with Pure White Text) */
.btn-secondary {
  background: var(--color-primary) !important;
  color: #FFFFFF !important;
  border-color: var(--color-primary-dark) !important;
  box-shadow: 0 1px 2px rgba(15, 31, 61, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.15) !important;
}

.btn-secondary:hover {
  background: var(--color-primary-light) !important;
  border-color: var(--color-primary) !important;
  color: #FFFFFF !important;
  transform: translateY(-1.5px) !important;
  box-shadow: var(--shadow-green) !important;
}

.btn-secondary:active {
  transform: translateY(0) !important;
  box-shadow: 0 1px 2px rgba(15, 31, 61, 0.08) !important;
}

/* Outline Light Button (For Dark Heroes & Navy Sections) */
.btn-outline {
  background: transparent !important;
  color: #FFFFFF !important;
  border-color: rgba(255, 255, 255, 0.45) !important;
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: #FFFFFF !important;
  color: var(--color-secondary) !important;
  border-color: #FFFFFF !important;
  transform: translateY(-1.5px) !important;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.14) !important;
}

.btn-outline:active {
  transform: translateY(0) !important;
}

/* Outline Dark Button (For White / Warm Backgrounds) */
.btn-outline-dark {
  background: transparent !important;
  color: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
}

.btn-outline-dark:hover {
  background: var(--color-primary) !important;
  color: #FFFFFF !important;
  border-color: var(--color-primary) !important;
  transform: translateY(-1.5px) !important;
  box-shadow: var(--shadow-green) !important;
}

.btn-outline-dark:active {
  transform: translateY(0) !important;
}

/* Ghost / Detail Button (Clean Crisp Border) */
.btn-ghost {
  background: #FFFFFF !important;
  color: var(--color-secondary) !important;
  border-color: var(--border-color) !important;
}

.btn-ghost:hover {
  background: var(--color-bg-warm) !important;
  border-color: var(--color-accent) !important;
  color: var(--color-primary) !important;
  transform: translateY(-1.5px) !important;
  box-shadow: var(--shadow-xs) !important;
}

.btn-ghost:active {
  transform: translateY(0) !important;
}

/* WhatsApp Direct CTA Button */
.btn-whatsapp {
  background: #25D366 !important;
  color: #FFFFFF !important;
  border-color: #1EBE5B !important;
}

.btn-whatsapp:hover {
  background: #20BA5A !important;
  color: #FFFFFF !important;
  border-color: #1A9C4C !important;
  transform: translateY(-1.5px) !important;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.38) !important;
}

.btn-whatsapp:active {
  transform: translateY(0) !important;
}

/* ==========================================================================
   UNIFIED CARD & BORDER SYSTEM
   ========================================================================== */
.card-base {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xs);
  transition: var(--transition-normal);
}

.card-base:hover {
  border-color: var(--border-color-accent);
  box-shadow: var(--shadow-md);
}

/* Product Card */
.card-product {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition-normal);
}

.card-product:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.card-product .card-img,
.card-product .card-product-img-wrapper {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background-color: var(--color-bg-muted);
  border-bottom: 1px solid var(--border-color);
}

.card-product .card-img img,
.card-product .card-product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card-product:hover .card-img img,
.card-product:hover .card-product-img {
  transform: scale(1.05);
}

/* Service Card */
.card-service {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xs);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card-service:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

/* Feature Card (Dark Navy Section) */
.card-feature {
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(6px);
  transition: var(--transition-normal);
}

.card-feature:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

/* ==========================================================================
   FORM INPUTS & LABELS
   ========================================================================== */
.input-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: 0.4rem;
  letter-spacing: 0.01em;
}

.input-field {
  width: 100%;
  height: 44px;
  padding: 0 0.95rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-text);
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 2px rgba(15, 31, 61, 0.02);
  transition: var(--transition-fast);
}

textarea.input-field {
  height: auto;
  min-height: 110px;
  padding: 0.75rem 0.95rem;
}

.input-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27, 67, 50, 0.12);
}

.input-field.error {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.input-error {
  font-size: 0.75rem;
  color: #EF4444;
  margin-top: 0.35rem;
  font-weight: 500;
}

/* ==========================================================================
   BADGES
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.badge-green {
  background: rgba(27, 67, 50, 0.08);
  color: var(--color-primary);
  border-color: rgba(27, 67, 50, 0.18);
}

.badge-gold {
  background: rgba(201, 168, 76, 0.14);
  color: #8C6A18;
  border-color: rgba(201, 168, 76, 0.3);
}

.badge-navy {
  background: rgba(15, 31, 61, 0.08);
  color: var(--color-secondary);
  border-color: rgba(15, 31, 61, 0.18);
}

/* ==========================================================================
   SECTION HEADINGS
   ========================================================================== */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-heading {
  font-size: clamp(1.85rem, 3.2vw, 2.6rem);
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 1rem;
}

.section-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 2.75rem;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-heading.centered {
  text-align: center;
}

.section-heading.centered::after {
  left: 50%;
  transform: translateX(-50%);
}

.section-heading.light {
  color: #FFFFFF;
}

/* ==========================================================================
   PAGE HERO BANNER (Standardized for About, Products, Services, Contact)
   ========================================================================== */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, #0D2B1F 0%, #0F1F3D 55%, #182E54 100%);
  padding: 4.75rem 0 4.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 20%, rgba(201, 168, 76, 0.12) 0%, transparent 50%);
  pointer-events: none;
}

.page-hero h1 {
  color: #FFFFFF;
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.05rem;
  max-width: 620px;
}

/* Breadcrumbs */
.breadcrumb-trail {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
}

.breadcrumb-trail a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.15s ease;
}

.breadcrumb-trail a:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   STICKY HEADER & NAV
   ========================================================================== */
.sticky-header {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-fast);
}

.sticky-header.scrolled {
  box-shadow: 0 2px 10px rgba(15, 31, 61, 0.06);
  padding-top: 0.45rem;
  padding-bottom: 0.45rem;
}

.nav-link {
  font-size: 0.9125rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 0.35rem 0;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: width 0.25s ease;
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-link.active::after {
  width: 100%;
}

/* ==========================================================================
   FLOATING WHATSAPP & BACK TO TOP
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  width: 3.5rem;
  height: 3.5rem;
  background: #25D366;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 990;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: var(--transition-fast);
  animation: wa-pulse 2.5s infinite;
}

.floating-whatsapp:hover {
  transform: translateY(-2px) scale(1.06);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5);
}

@keyframes wa-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70%  { box-shadow: 0 0 0 12px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

#back-to-top {
  position: fixed;
  bottom: 5.75rem;
  right: 1.75rem;
  width: 2.5rem;
  height: 2.5rem;
  background: #FFFFFF;
  color: var(--color-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  transition: var(--transition-fast);
  z-index: 980;
  box-shadow: var(--shadow-sm);
}

#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

#back-to-top:hover {
  background: var(--color-bg-warm);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* ==========================================================================
   TOASTS & MODAL OVERLAYS (Used by View Details and Alerts)
   ========================================================================== */
#toast-container {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 0.85rem 1.15rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  border-left: 4px solid;
  min-width: 280px;
  max-width: 380px;
  font-size: 0.875rem;
  font-weight: 500;
  pointer-events: all;
  animation: toast-in 0.25s ease forwards;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.toast.success { border-left-color: #22C55E; }
.toast.error   { border-left-color: #EF4444; }
.toast.warning { border-left-color: #F59E0B; }
.toast.info    { border-left-color: var(--color-primary); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(100%); }
  to   { opacity: 1; transform: translateX(0); }
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 31, 61, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  animation: fadeIn 0.2s ease;
}

.modal-panel {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: 0 25px 50px -12px rgba(15, 31, 61, 0.3);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  animation: scaleIn 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

/* ==========================================================================
   SKELETON LOADERS
   ========================================================================== */
.skeleton {
  background: linear-gradient(90deg, #F0EDE6 25%, #E6E2D8 50%, #F0EDE6 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

.animate-on-scroll.stagger-1 { transition-delay: 0.08s; }
.animate-on-scroll.stagger-2 { transition-delay: 0.16s; }
.animate-on-scroll.stagger-3 { transition-delay: 0.24s; }

/* ==========================================================================
   FOOTER STYLES
   ========================================================================== */
.footer-link {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.875rem;
  transition: color 0.18s ease;
  display: inline-block;
}

.footer-link:hover {
  color: var(--color-accent);
  transform: translateX(2px);
}

/* ==========================================================================
   ACCESSIBILITY & REDUCED MOTION
   ========================================================================== */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .animate-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
  html { scroll-behavior: auto; }
}