/* ==========================================================================
   S M SOLUTIONS - CORE DESIGN SYSTEM & MAIN STYLESHEET
   Brand: S M Solutions | Location: Shaniwar Peth, Pune | Contact: 9822344145
   ========================================================================== */

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

:root {
  /* Brand Purple Spectrum (from official S M logo) */
  --clr-primary-900: #241147;
  --clr-primary-800: #38196e;
  --clr-primary-700: #4c2294;
  --clr-primary: #632da8;
  --clr-primary-600: #7a39cc;
  --clr-primary-500: #914fee;
  --clr-primary-400: #ad78f3;
  --clr-primary-200: #dcceff;
  --clr-primary-100: #f2edfe;
  --clr-primary-50: #fbf9ff;

  /* Eco Green Spectrum (for E-Waste & Recycling) */
  --clr-eco-900: #064e3b;
  --clr-eco-700: #047857;
  --clr-eco: #059669;
  --clr-eco-500: #10b981;
  --clr-eco-200: #a7f3d0;
  --clr-eco-100: #d1fae5;
  --clr-eco-50: #ecfdf5;

  /* Neutral Spectrum */
  --clr-slate-900: #0f172a;
  --clr-slate-800: #1e293b;
  --clr-slate-700: #334155;
  --clr-slate-600: #475569;
  --clr-slate-500: #64748b;
  --clr-slate-400: #94a3b8;
  --clr-slate-300: #cbd5e1;
  --clr-slate-200: #e2e8f0;
  --clr-slate-100: #f1f5f9;
  --clr-slate-50: #f8fafc;
  --clr-white: #ffffff;

  /* WhatsApp & Action Accents */
  --clr-whatsapp: #25D366;
  --clr-whatsapp-dark: #128C7E;
  --clr-call: #2563eb;
  --clr-amber: #d97706;
  --clr-amber-light: #fef3c7;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Elevations & Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-purple: 0 10px 25px -5px rgba(99, 45, 168, 0.25);
  --shadow-eco: 0 10px 25px -5px rgba(5, 150, 105, 0.25);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1240px;
  --header-height: 80px;
  --header-top-height: 40px;
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--clr-slate-800);
  background-color: var(--clr-slate-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

img, svg, picture, video {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--clr-slate-900);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 2.5vw + 0.8rem, 2.35rem); }
h3 { font-size: clamp(1.25rem, 1.5vw + 0.6rem, 1.65rem); }
h4 { font-size: 1.2rem; }
h5 { font-size: 1.05rem; }
h6 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.05em; }

p {
  margin-bottom: 1rem;
  color: var(--clr-slate-600);
}
p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   Layout Containers & Utilities
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.section-sm {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.section-bg-alt {
  background-color: var(--clr-white);
  border-top: 1px solid var(--clr-slate-200);
  border-bottom: 1px solid var(--clr-slate-200);
}

.section-bg-purple {
  background: linear-gradient(135deg, var(--clr-primary-900) 0%, var(--clr-primary-800) 50%, var(--clr-primary-700) 100%);
  color: var(--clr-white);
}
.section-bg-purple h1,
.section-bg-purple h2,
.section-bg-purple h3,
.section-bg-purple h4 {
  color: var(--clr-white);
}
.section-bg-purple p {
  color: var(--clr-primary-200);
}

.section-bg-eco {
  background: linear-gradient(135deg, #043828 0%, #064e3b 50%, #047857 100%);
  color: var(--clr-white);
}
.section-bg-eco h2, .section-bg-eco h3 {
  color: var(--clr-white);
}
.section-bg-eco p {
  color: var(--clr-eco-100);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-full);
  background-color: var(--clr-primary-100);
  color: var(--clr-primary-700);
  margin-bottom: 0.9rem;
}

.section-tag.tag-eco {
  background-color: var(--clr-eco-100);
  color: var(--clr-eco-700);
}

.section-tag.tag-white {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--clr-white);
  backdrop-filter: blur(8px);
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--clr-slate-600);
}

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.975rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--clr-primary);
  color: var(--clr-white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background-color: var(--clr-primary-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-purple);
}

.btn-secondary {
  background-color: var(--clr-white);
  color: var(--clr-primary-800);
  border: 1.5px solid var(--clr-slate-300);
}
.btn-secondary:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background-color: var(--clr-primary-50);
  transform: translateY(-2px);
}

.btn-dark {
  background-color: var(--clr-slate-900);
  color: var(--clr-white);
}
.btn-dark:hover {
  background-color: var(--clr-slate-800);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-whatsapp {
  background-color: var(--clr-whatsapp);
  color: var(--clr-white);
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}
.btn-whatsapp:hover {
  background-color: #20ba5a;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(37, 211, 102, 0.35);
  color: var(--clr-white);
}

.btn-call {
  background-color: var(--clr-call);
  color: var(--clr-white);
}
.btn-call:hover {
  background-color: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.btn-eco {
  background-color: var(--clr-eco);
  color: var(--clr-white);
}
.btn-eco:hover {
  background-color: var(--clr-eco-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-eco);
}

.btn-outline-white {
  background: transparent;
  color: var(--clr-white);
  border: 1.5px solid rgba(255, 255, 255, 0.6);
}
.btn-outline-white:hover {
  background-color: var(--clr-white);
  color: var(--clr-primary-900);
  border-color: var(--clr-white);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

.btn svg {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

/* ==========================================================================
   Cards, Badges & Interactive Elements
   ========================================================================== */
.card {
  background-color: var(--clr-white);
  border: 1px solid var(--clr-slate-200);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}
.card:hover {
  border-color: var(--clr-primary-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-new {
  background-color: #dbeafe;
  color: #1d4ed8;
}

.badge-used {
  background-color: #fef3c7;
  color: #92400e;
}

.badge-preowned {
  background-color: #f3e8ff;
  color: #6b21a8;
}

.badge-refurbished {
  background-color: #e0e7ff;
  color: #3730a3;
}

.badge-eco {
  background-color: var(--clr-eco-100);
  color: var(--clr-eco-700);
}

.badge-stock {
  background-color: #dcfce7;
  color: #15803d;
}

/* ==========================================================================
   Form Controls
   ========================================================================== */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-slate-700);
  margin-bottom: 0.4rem;
}

.form-label .required {
  color: #dc2626;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  color: var(--clr-slate-800);
  background-color: var(--clr-white);
  border: 1.5px solid var(--clr-slate-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(99, 45, 168, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.form-help {
  font-size: 0.8rem;
  color: var(--clr-slate-500);
  margin-top: 0.35rem;
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

/* ==========================================================================
   Toast & Modal Utilities
   ========================================================================== */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 320px;
  max-width: 420px;
  background-color: var(--clr-white);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  border-left: 4px solid var(--clr-primary);
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.toast-success { border-left-color: var(--clr-eco-500); }
.toast.toast-error { border-left-color: #dc2626; }
.toast.toast-info { border-left-color: var(--clr-primary); }

.toast-content h4 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}
.toast-content p {
  font-size: 0.85rem;
  color: var(--clr-slate-600);
  margin: 0;
}

.toast-close {
  margin-left: auto;
  color: var(--clr-slate-400);
  padding: 0.2rem;
}
.toast-close:hover {
  color: var(--clr-slate-700);
}

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

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background-color: var(--clr-white);
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
  position: relative;
}
.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-header {
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--clr-slate-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 1.75rem;
}

.modal-close {
  color: var(--clr-slate-400);
  padding: 0.4rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-close:hover {
  color: var(--clr-slate-800);
  background-color: var(--clr-slate-100);
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 2px;
}