/* ============================================
   Grub-IT — Global Stylesheet (Light Theme)
   Palette: Yellow #FFD600 | Dark text #111 | White #FFFFFF
   Mobile-First, Performance-Optimized
   ============================================ */

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

/* ---------- CSS Variables ---------- */
:root {
  --yellow:        #FFD600;
  --yellow-dark:   #E6C000;
  --yellow-light:  #FFF9C4;
  --black:         #111111;
  --dark:          #1A1A1A;
  --white:         #FFFFFF;
  --bg:            #FFFFFF;
  --bg-alt:        #F8F8F8;
  --bg-card:       #FFFFFF;
  --text:          #111111;
  --text-secondary:#444444;
  --text-muted:    #777777;
  --border:        #E5E5E5;
  --border-yellow: rgba(255,214,0,0.4);
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.07);
  --shadow:        0 4px 24px rgba(0,0,0,0.10);
  --shadow-yellow: 0 8px 32px rgba(255,214,0,0.25);
  --font:          'Inter', system-ui, sans-serif;
  --radius-sm:     6px;
  --radius:        12px;
  --radius-lg:     20px;
  --transition:    0.25s ease;
  --max-width:     1200px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }
button { font-family: var(--font); cursor: pointer; border: none; }

/* ---------- Typography ---------- */
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15; color: var(--black); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); font-weight: 700; line-height: 1.2; color: var(--black); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600; line-height: 1.3; color: var(--black); }
h4 { font-size: 1rem; font-weight: 600; color: var(--black); }
p  { line-height: 1.7; }

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}
.section    { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.accent     { color: var(--yellow-dark); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--yellow-light);
  color: #7a6000;
  border: 1px solid rgba(255,214,0,0.5);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.section-header { text-align: center; margin-bottom: 56px; }
.section-header p {
  max-width: 580px;
  margin: 16px auto 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--yellow); color: var(--black); }
.btn-primary:hover {
  background: var(--yellow-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-yellow);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--yellow-dark);
  color: var(--yellow-dark);
  transform: translateY(-2px);
}

.btn-outline-yellow {
  background: transparent;
  color: var(--yellow-dark);
  border: 1.5px solid var(--yellow);
}
.btn-outline-yellow:hover {
  background: var(--yellow);
  color: var(--black);
  transform: translateY(-2px);
}

.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--yellow);
  box-shadow: var(--shadow-yellow);
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  padding: 0 20px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow); }

.navbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--black);
}
.logo-icon {
  width: 38px; height: 38px;
  background: var(--yellow);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 1rem; color: var(--black);
  flex-shrink: 0;
}
.logo-text span { color: var(--yellow-dark); }

.nav-links { display: none; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--black); background: var(--yellow-light); }

.nav-cta { display: none; }

.nav-toggle {
  width: 40px; height: 40px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 5px; cursor: pointer;
  transition: border-color var(--transition);
}
.nav-toggle:hover { border-color: var(--yellow-dark); }
.nav-toggle span {
  display: block; width: 20px; height: 2px;
  background: var(--black); border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none; flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 16px 20px; gap: 4px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 12px 16px; border-radius: var(--radius-sm);
  font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
  transition: background var(--transition), color var(--transition);
}
.nav-mobile a:hover { background: var(--yellow-light); color: var(--black); }
.nav-mobile .btn { margin-top: 12px; width: 100%; justify-content: center; }

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  padding-top: 68px;
  display: flex;
  align-items: center;
  background: var(--white);
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 90% 30%, rgba(255,214,0,0.12) 0%, transparent 65%),
    radial-gradient(ellipse 40% 50% at 5% 80%, rgba(255,214,0,0.07) 0%, transparent 60%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 60px 20px;
  display: flex; flex-direction: column; gap: 48px;
  position: relative; z-index: 1;
}
.hero-content { max-width: 640px; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--yellow-light);
  border: 1px solid rgba(255,214,0,0.5);
  color: #7a6000;
  padding: 6px 16px; border-radius: 999px;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.5px;
  margin-bottom: 24px;
}
.hero-title    { margin-bottom: 20px; }
.hero-subtitle { font-size: 1.05rem; color: var(--text-muted); max-width: 520px; margin-bottom: 36px; }
.hero-actions  { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px; }

.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.stat-item .stat-num   { font-size: 1.8rem; font-weight: 800; color: var(--yellow-dark); line-height: 1; }
.stat-item .stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

.hero-image {
  width: 100%; max-width: 540px; margin: 0 auto;
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0,0,0,0.12), 0 0 60px rgba(255,214,0,0.1);
}

/* ---------- SERVICES GRID ---------- */
.services-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: var(--yellow);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  border-color: var(--yellow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-yellow);
}
.service-icon {
  width: 52px; height: 52px;
  background: var(--yellow-light);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; font-size: 1.5rem;
}
.service-card h3 { margin-bottom: 10px; }
.service-card p  { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 18px; }
.service-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--yellow-dark); font-size: 0.88rem; font-weight: 600;
  transition: gap var(--transition);
}
.service-link:hover { gap: 10px; }

/* ---------- WHY US ---------- */
.why-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }

.why-item {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 20px; background: var(--white);
  border-radius: var(--radius); border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.why-item:hover { border-color: var(--yellow); box-shadow: var(--shadow-yellow); }
.why-icon {
  width: 44px; height: 44px; background: var(--yellow); color: var(--black);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.why-item h4 { margin-bottom: 4px; }
.why-item p  { font-size: 0.88rem; color: var(--text-muted); line-height: 1.5; }

/* ---------- TESTIMONIALS ---------- */
.testimonials-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.testimonial-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow-sm);
}
.stars { color: var(--yellow-dark); font-size: 1rem; margin-bottom: 14px; }
.testimonial-card blockquote {
  font-size: 0.95rem; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 20px; font-style: italic;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--yellow), var(--yellow-dark));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem; color: var(--black); flex-shrink: 0;
}
.author-info strong { display: block; font-size: 0.9rem; color: var(--black); }
.author-info span   { font-size: 0.8rem; color: var(--text-muted); }

/* ---------- CTA BANNER ---------- */
.cta-banner {
  background: var(--yellow);
  border-radius: var(--radius-lg);
  padding: 48px 28px; text-align: center;
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(255,255,255,0.2) 0%, transparent 60%);
  pointer-events: none;
}
.cta-banner h2 { color: var(--black); margin-bottom: 12px; }
.cta-banner p  { color: rgba(0,0,0,0.6); max-width: 500px; margin: 0 auto 28px; }
.cta-banner-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.btn-dark {
  background: var(--black); color: var(--white);
  padding: 14px 28px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95rem;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all var(--transition);
}
.btn-dark:hover { background: #333; transform: translateY(-2px); }
.btn-white {
  background: var(--white); color: var(--black);
  padding: 14px 28px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95rem;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all var(--transition);
}
.btn-white:hover { background: #f0f0f0; transform: translateY(-2px); }

/* ---------- FOOTER ---------- */
footer {
  background: var(--black);
  border-top: 1px solid #222;
  padding: 60px 20px 32px;
}
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-grid  { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 48px; }

.footer-brand p {
  font-size: 0.9rem; color: rgba(255,255,255,0.5);
  margin-top: 14px; max-width: 300px; line-height: 1.7;
}
/* logo inside footer stays white */
footer .nav-logo  { color: #fff; }

.footer-col h5 {
  font-size: 0.85rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--yellow); margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  font-size: 0.9rem; color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--yellow); }

.footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-contact a {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.88rem; color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-contact a:hover { color: var(--yellow); }
.footer-contact .icon { font-size: 1rem; }

.footer-bottom {
  border-top: 1px solid #222; padding-top: 24px;
  display: flex; flex-direction: column; align-items: center;
  gap: 12px; text-align: center;
}
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.35); }

.social-row { display: flex; gap: 10px; }
.social-btn {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid #333;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.4); font-size: 0.9rem;
  transition: all var(--transition);
}
.social-btn:hover { border-color: var(--yellow); color: var(--yellow); }

/* ---------- PAGE HEADER ---------- */
.page-hero {
  padding: 130px 20px 80px;
  text-align: center;
  background: var(--bg-alt);
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 70% at 50% 0%, rgba(255,214,0,0.15) 0%, transparent 65%);
  pointer-events: none;
}
.page-hero h1 { margin-bottom: 16px; }
.page-hero p  { max-width: 560px; margin: 0 auto; color: var(--text-muted); font-size: 1.05rem; }

/* ---------- ALTERNATE SECTIONS ---------- */
/* Replace dark section backgrounds with light gray */
[style*="background: var(--dark)"],
[style*="background:var(--dark)"] {
  background: var(--bg-alt) !important;
}

/* ---------- FORM STYLES ---------- */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 0.85rem; font-weight: 600;
  color: var(--black); margin-bottom: 8px;
}
.form-control {
  width: 100%; padding: 13px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--black); font-family: var(--font); font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
  border-color: var(--yellow-dark);
  box-shadow: 0 0 0 3px rgba(255,214,0,0.15);
}
.form-control::placeholder { color: #aaa; }
textarea.form-control { resize: vertical; min-height: 130px; }
select.form-control    { appearance: none; }

/* ---------- WHATSAPP FLOAT ---------- */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 998;
  width: 56px; height: 56px; background: #25D366; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: pulse-wa 2.5s ease-in-out infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37,211,102,0.55); }
.whatsapp-float svg { width: 28px; height: 28px; fill: white; }

@keyframes pulse-wa {
  0%,100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
  50%      { box-shadow: 0 4px 30px rgba(37,211,102,0.7); }
}

/* ---------- ANIMATIONS ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up   { animation: fadeInUp 0.6s ease both; }
.fade-up-1 { animation-delay: 0.1s; }
.fade-up-2 { animation-delay: 0.2s; }
.fade-up-3 { animation-delay: 0.3s; }
.fade-up-4 { animation-delay: 0.4s; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- RESPONSIVE — Tablet ---------- */
@media (min-width: 640px) {
  .services-grid     { grid-template-columns: repeat(2,1fr); }
  .why-grid          { grid-template-columns: repeat(2,1fr); }
  .testimonials-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid       { grid-template-columns: repeat(2,1fr); }
}

/* ---------- RESPONSIVE — Desktop ---------- */
@media (min-width: 1024px) {
  .container { padding: 0 40px; }
  .section   { padding: 100px 0; }

  .nav-links  { display: flex; }
  .nav-cta    { display: flex; }
  .nav-toggle { display: none; }

  .hero-inner {
    flex-direction: row; align-items: center;
    padding: 100px 40px; gap: 64px;
  }
  .hero-content { flex: 1; max-width: none; }
  .hero-image   { flex: 1; max-width: 500px; margin: 0; }

  .services-grid     { grid-template-columns: repeat(4,1fr); }
  .why-grid          { grid-template-columns: repeat(3,1fr); }
  .testimonials-grid { grid-template-columns: repeat(3,1fr); }
  .footer-grid       { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
  .footer-bottom     { flex-direction: row; justify-content: space-between; }

  .cta-banner { padding: 64px 48px; }
}