/* ============================================================
   SVE Business Portal — Main Stylesheet (Public Side)
   ============================================================ */

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: #f8fafc;
  color: #0f172a;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }
ul { list-style: none; }

/* ---------- VARIABLES ---------- */
:root {
  --blue-600: #1e40af;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --blue-50:  #eff6ff;
  --green:    #10b981;
  --amber:    #f59e0b;
  --red:      #ef4444;
  --slate-900: #0f172a;
  --slate-700: #334155;
  --slate-500: #64748b;
  --slate-300: #cbd5e1;
  --slate-100: #f1f5f9;
  --slate-50:  #f8fafc;
  --white:    #ffffff;
  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow:    0 4px 16px rgba(15,23,42,.08);
  --shadow-lg: 0 12px 40px rgba(15,23,42,.12);
  --transition: all .25s cubic-bezier(.4,0,.2,1);
}

/* ---------- CONTAINER ---------- */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 800px; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--slate-100);
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-sm); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 42px; height: 42px; object-fit: contain; border-radius: 8px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 800; font-size: 1.1rem; color: var(--slate-900); letter-spacing: -.01em; }
.brand-badge {
  display: inline-block; font-size: .65rem; font-weight: 700;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: white; padding: 2px 6px; border-radius: 4px;
  margin-left: 6px; vertical-align: middle; letter-spacing: .04em;
}
.brand-sub { font-size: .72rem; color: var(--slate-500); font-weight: 500; }

.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  padding: 8px 14px; border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 500; color: var(--slate-700);
  transition: var(--transition);
}
.nav-links a:hover { background: var(--slate-100); color: var(--blue-600); }
.nav-links a.active { color: var(--blue-600); background: var(--blue-50); }

.nav-actions { display: flex; align-items: center; gap: 10px; }

.lang-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 46px; height: 36px; border-radius: var(--radius-sm);
  background: var(--slate-100); font-weight: 700; font-size: .8rem;
  color: var(--slate-700); transition: var(--transition); position: relative;
  overflow: hidden;
}
.lang-toggle:hover { background: var(--blue-50); color: var(--blue-600); }
.lang-toggle .lang-en, .lang-toggle .lang-hi { transition: var(--transition); }
body.lang-hi .lang-toggle .lang-en { display: none; }
body:not(.lang-hi) .lang-toggle .lang-hi { display: none; }

.hamburger {
  display: none; flex-direction: column; gap: 4px;
  width: 40px; height: 40px; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
}
.hamburger span {
  width: 22px; height: 2px; background: var(--slate-700);
  border-radius: 2px; transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary, .btn-outline, .btn-ghost, .btn-outline-light {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 20px; border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 600; letter-spacing: -.01em;
  transition: var(--transition); white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: white; box-shadow: 0 4px 14px rgba(30,64,175,.25);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(30,64,175,.35); }
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: white; color: var(--slate-900); border-color: var(--slate-300);
}
.btn-outline:hover { border-color: var(--blue-500); color: var(--blue-600); background: var(--blue-50); }

.btn-ghost { background: transparent; color: var(--slate-700); }
.btn-ghost:hover { background: var(--slate-100); color: var(--blue-600); }

.btn-outline-light {
  background: transparent; color: white;
  border-color: rgba(255,255,255,.5);
}
.btn-outline-light:hover { background: rgba(255,255,255,.15); border-color: white; }

.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-primary[disabled], .btn-outline[disabled] { opacity: .55; cursor: not-allowed; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; padding: 80px 0 100px;
  background: linear-gradient(180deg, #ffffff 0%, #f0f7ff 100%);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 15% 20%, rgba(59,130,246,.12), transparent 45%),
    radial-gradient(circle at 85% 70%, rgba(30,64,175,.10), transparent 45%);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.3fr 1fr;
  gap: 60px; align-items: center;
}
.badge {
  display: inline-block; padding: 6px 14px;
  background: var(--blue-50); color: var(--blue-600);
  border-radius: 999px; font-size: .78rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900; line-height: 1.1; letter-spacing: -.03em;
  color: var(--slate-900); margin-bottom: 20px;
}
.grad-text {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero-sub {
  font-size: 1.1rem; color: var(--slate-500); max-width: 560px;
  margin-bottom: 32px; line-height: 1.65;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; padding-top: 32px; border-top: 1px solid var(--slate-100);
}
.hero-stats .stat-num {
  font-size: 1.7rem; font-weight: 800; color: var(--slate-900);
  letter-spacing: -.02em; line-height: 1;
}
.hero-stats .stat-lbl {
  font-size: .78rem; color: var(--slate-500);
  font-weight: 500; margin-top: 6px;
}

/* Hero card */
.hero-card {
  background: white; border-radius: var(--radius-lg);
  padding: 32px; box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-100); position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--blue-600), var(--blue-500));
}
.hero-card-head {
  display: flex; align-items: center; gap: 8px;
  font-size: .75rem; font-weight: 700;
  color: var(--green); text-transform: uppercase; letter-spacing: .06em;
  margin-bottom: 20px;
}
.dot-live {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 0 3px rgba(16,185,129,.2);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(16,185,129,.2); }
  50% { box-shadow: 0 0 0 8px rgba(16,185,129,.05); }
}
.hero-card h3 {
  font-size: 1.4rem; font-weight: 800;
  color: var(--slate-900); margin-bottom: 10px;
}
.hero-card p {
  font-size: .9rem; color: var(--slate-500);
  margin-bottom: 22px; line-height: 1.55;
}
.hero-card-list {
  margin-top: 22px; padding-top: 22px;
  border-top: 1px solid var(--slate-100);
  display: flex; flex-direction: column; gap: 10px;
  font-size: .85rem; color: var(--slate-700); font-weight: 500;
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
  background: white; border-top: 1px solid var(--slate-100);
  border-bottom: 1px solid var(--slate-100); padding: 24px 0;
}
.trust-inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; text-align: center;
}
.trust-item {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-size: .88rem; font-weight: 600; color: var(--slate-700);
}
.trust-icon { font-size: 1.2rem; }

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: 80px 0; }
.section-alt { background: linear-gradient(180deg, #f8fafc 0%, #eff6ff 100%); }
.section-head { text-align: center; margin-bottom: 56px; }
.section-head h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800; letter-spacing: -.02em;
  color: var(--slate-900); margin-bottom: 12px;
}
.section-head p {
  font-size: 1.05rem; color: var(--slate-500);
  max-width: 640px; margin: 0 auto;
}
.center { text-align: center; }
.mt-32 { margin-top: 32px; }

/* ============================================================
   BRANDS GRID
   ============================================================ */
.brands-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.brand-card {
  background: white; border-radius: var(--radius);
  padding: 32px; border: 1px solid var(--slate-100);
  transition: var(--transition); position: relative;
}
.brand-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-400);
}
.brand-badge-lg {
  display: inline-block; font-size: .7rem; font-weight: 800;
  letter-spacing: .12em; color: var(--blue-600);
  background: var(--blue-50); padding: 4px 10px;
  border-radius: 6px; margin-bottom: 16px;
}
.brand-card h3 {
  font-size: 1.35rem; font-weight: 800;
  color: var(--slate-900); margin-bottom: 10px;
}
.brand-card p {
  font-size: .92rem; color: var(--slate-500);
  line-height: 1.6; margin-bottom: 20px;
}
.brand-specs {
  padding-top: 18px; border-top: 1px solid var(--slate-100);
  display: flex; flex-direction: column; gap: 8px;
  font-size: .82rem; color: var(--slate-700);
}
.brand-specs strong { color: var(--slate-900); }

/* ============================================================
   FEATURE CARDS
   ============================================================ */
.grid-3, .grid-4 {
  display: grid; gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.feat-card {
  background: white; border-radius: var(--radius);
  padding: 28px; border: 1px solid var(--slate-100);
  transition: var(--transition);
}
.feat-card:hover {
  transform: translateY(-3px);
  border-color: var(--blue-400);
  box-shadow: var(--shadow);
}
.feat-icon {
  font-size: 1.8rem; width: 52px; height: 52px;
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: var(--blue-50); margin-bottom: 18px;
}
.feat-card h3 {
  font-size: 1.05rem; font-weight: 700;
  color: var(--slate-900); margin-bottom: 8px;
}
.feat-card p { font-size: .9rem; color: var(--slate-500); line-height: 1.6; }

/* ============================================================
   STEPS
   ============================================================ */
.steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; position: relative;
}
.step {
  background: white; border-radius: var(--radius);
  padding: 32px 24px; border: 1px solid var(--slate-100);
  position: relative; transition: var(--transition);
}
.step:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.step-num {
  font-size: 2.2rem; font-weight: 900;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1; margin-bottom: 16px;
}
.step h3 {
  font-size: 1.05rem; font-weight: 700;
  color: var(--slate-900); margin-bottom: 8px;
}
.step p { font-size: .88rem; color: var(--slate-500); line-height: 1.55; }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: white; padding: 64px 0;
}
.cta-inner {
  display: flex; align-items: center;
  justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-inner h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800; letter-spacing: -.02em; margin-bottom: 8px;
}
.cta-inner p { font-size: 1rem; opacity: .92; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-banner .btn-primary {
  background: white; color: var(--blue-600);
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
}
.cta-banner .btn-primary:hover { background: var(--slate-50); }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: white; border: 1px solid var(--slate-100);
  border-radius: var(--radius); overflow: hidden;
  transition: var(--transition);
}
.faq-item[open] { border-color: var(--blue-400); box-shadow: var(--shadow-sm); }
.faq-item summary {
  padding: 20px 24px; font-weight: 600; font-size: 1rem;
  color: var(--slate-900); cursor: pointer; list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 1.5rem; font-weight: 300;
  color: var(--blue-500); transition: var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { background: var(--slate-50); }
.faq-item p {
  padding: 0 24px 22px; font-size: .93rem;
  color: var(--slate-500); line-height: 1.7;
}
.faq-foot {
  text-align: center; margin-top: 40px;
  display: flex; flex-direction: column;
  align-items: center; gap: 14px;
}
.faq-foot p { font-size: 1rem; color: var(--slate-500); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--slate-900); color: var(--slate-300);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px; padding-bottom: 48px;
}
.footer-brand { margin-bottom: 16px; }
.footer .brand-name { color: white; }
.footer .brand-sub { color: var(--slate-500); }
.footer-desc {
  font-size: .88rem; line-height: 1.7; color: var(--slate-500);
  margin-bottom: 20px; max-width: 340px;
}
.footer h4 {
  font-size: .82rem; font-weight: 700;
  color: white; text-transform: uppercase;
  letter-spacing: .08em; margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: .88rem; color: var(--slate-400);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--blue-400); }
.footer-socials { display: flex; gap: 10px; }
.footer-socials a {
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(255,255,255,.06);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: var(--transition);
}
.footer-socials a:hover { background: var(--blue-600); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
}
.footer-bottom-inner {
  display: flex; justify-content: space-between;
  align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: .82rem; color: var(--slate-500);
}
.footer-bottom a { color: var(--blue-400); }
.footer-bottom a:hover { text-decoration: underline; }

/* ============================================================
   FORMS (shared with apply/login pages)
   ============================================================ */
.form-grid { display: grid; gap: 20px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-size: .85rem; font-weight: 600; color: var(--slate-700);
}
.field label .req { color: var(--red); margin-left: 2px; }
.field input,
.field select,
.field textarea {
  width: 100%; padding: 12px 14px;
  background: white; border: 1.5px solid var(--slate-300);
  border-radius: var(--radius-sm); font-size: .92rem;
  color: var(--slate-900); transition: var(--transition);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none; border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.field textarea { min-height: 110px; resize: vertical; font-family: inherit; }
.field .hint { font-size: .78rem; color: var(--slate-500); }
.field .err { font-size: .78rem; color: var(--red); display: none; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--red); }
.field.has-error .err { display: block; }

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
  padding: 12px 16px; border-radius: var(--radius-sm);
  font-size: .88rem; font-weight: 500; margin: 12px 0;
}
.alert-error   { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alert-info    { background: var(--blue-50); color: var(--blue-600); border: 1px solid #bfdbfe; }
.alert-warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }

/* ============================================================
   TOASTS
   ============================================================ */
.toast-box {
  position: fixed; top: 90px; right: 20px; z-index: 9999;
  display: flex; flex-direction: column; gap: 10px;
  pointer-events: none;
}
.toast {
  background: var(--slate-900); color: white;
  padding: 14px 20px; border-radius: var(--radius-sm);
  font-size: .88rem; font-weight: 500;
  box-shadow: var(--shadow-lg);
  min-width: 260px; max-width: 400px;
  animation: toastIn .3s ease;
  pointer-events: auto;
  display: flex; align-items: center; gap: 10px;
}
.toast.success { background: var(--green); }
.toast.error   { background: var(--red); }
.toast.warning { background: var(--amber); color: var(--slate-900); }
@keyframes toastIn {
  from { transform: translateX(120%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}
.toast.hide { animation: toastOut .3s ease forwards; }
@keyframes toastOut {
  to { transform: translateX(120%); opacity: 0; }
}

/* ============================================================
   LOADER / SKELETON
   ============================================================ */
.loader-overlay {
  position: fixed; inset: 0; background: rgba(248,250,252,.9);
  display: flex; align-items: center; justify-content: center;
  z-index: 9998; transition: opacity .3s;
}
.loader-overlay.hidden { opacity: 0; pointer-events: none; }
.spinner {
  width: 42px; height: 42px; border-radius: 50%;
  border: 3px solid var(--slate-100);
  border-top-color: var(--blue-500);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.product-skeleton {
  height: 260px; border-radius: var(--radius);
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   FADE-IN ANIMATION
   ============================================================ */
.fade-in {
  opacity: 0; transform: translateY(20px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   MOBILE RESPONSIVE
   ============================================================ */
@media (max-width: 992px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .brands-grid, .grid-3, .grid-4, .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .trust-inner { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}

@media (max-width: 720px) {
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0;
    background: white; flex-direction: column; align-items: stretch;
    padding: 16px; gap: 4px; border-bottom: 1px solid var(--slate-100);
    box-shadow: var(--shadow); transform: translateY(-120%);
    transition: transform .3s ease; z-index: 99;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px 16px; }
  .hamburger { display: flex; }
  .nav-actions .btn-ghost { display: none; }
  .nav-actions .btn-primary { padding: 9px 14px; font-size: .85rem; }

  .hero { padding: 48px 0 64px; }
  .hero-sub { font-size: 1rem; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn-lg { width: 100%; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .hero-card { padding: 26px; }

  .section { padding: 56px 0; }
  .section-head { margin-bottom: 36px; }

  .brands-grid, .grid-3, .grid-4, .steps { grid-template-columns: 1fr; }
  .trust-inner { grid-template-columns: 1fr 1fr; }

  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn-lg { width: 100%; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }

  .form-row-2 { grid-template-columns: 1fr; }
  .toast-box { left: 16px; right: 16px; top: 82px; }
  .toast { min-width: auto; width: 100%; }
}

/* ---------- UTILITY ---------- */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }