/* ============================================================
   SAHASTHRAAYU INFRA DEVELOPERS — SHARED STYLESHEET
   Premium Real Estate | Deep Navy · Gold · White
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --navy:       #0B2545;
  --navy-deep:  #071a33;
  --navy-mid:   #132E5A;
  --navy-light: #1a4080;
  --gold:       #C9A227;
  --gold-light: #E8C547;
  --gold-dark:  #A07C1B;
  --gold-pale:  #f5e9c0;
  --white:      #FFFFFF;
  --off-white:  #F8F6F2;
  --grey-100:   #F3F4F6;
  --grey-200:   #E5E7EB;
  --grey-400:   #9CA3AF;
  --grey-600:   #4B5563;
  --grey-800:   #1F2937;
  --font-serif: 'Playfair Display', 'Georgia', serif;
  --font-sans:  'Montserrat', 'Helvetica Neue', sans-serif;
  --font-accent:'Cormorant Garamond', 'Georgia', serif;
  --radius:     8px;
  --radius-lg:  16px;
  --shadow-sm:  0 2px 8px rgba(0,0,0,.12);
  --shadow-md:  0 8px 32px rgba(0,0,0,.18);
  --shadow-lg:  0 20px 60px rgba(0,0,0,.25);
  --shadow-gold:0 8px 32px rgba(201,162,39,.25);
  --transition: .4s cubic-bezier(.25,.8,.25,1);
  --transition-fast: .2s ease;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--grey-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; transition: color var(--transition-fast); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 { font-family: var(--font-serif); line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 4.2rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); font-weight: 600; }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.9rem); font-weight: 600; }
h4 { font-size: 1.2rem; font-weight: 600; }
p  { font-size: 1rem; line-height: 1.8; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.section-label::before, .section-label::after {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--gold);
}
.section-title { color: var(--navy); margin-bottom: 1rem; }
.section-title span { color: var(--gold); }
.section-subtitle { color: var(--grey-600); max-width: 640px; font-size: 1.05rem; }

/* ---------- Layout Utilities ---------- */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1440px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 100px 0; }
.section-pad-sm { padding: 60px 0; }
.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.08);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold-dark) 100%);
  color: var(--navy-deep);
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(201,162,39,.4); }

.btn-outline {
  background: transparent;
  border: 2px solid var(--gold);
  color: var(--gold);
}
.btn-outline:hover { background: var(--gold); color: var(--navy-deep); transform: translateY(-2px); }

.btn-white {
  background: var(--white);
  color: var(--navy);
  box-shadow: var(--shadow-md);
}
.btn-white:hover { background: var(--gold-pale); transform: translateY(-2px); }

.btn-navy {
  background: var(--navy);
  color: var(--white);
}
.btn-navy:hover { background: var(--navy-light); transform: translateY(-2px); }

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: all var(--transition);
}
.navbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
  transition: height var(--transition);
}
.navbar.scrolled {
  background: rgba(7,26,51,.97);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0,0,0,.3);
}
.navbar.scrolled .navbar-inner { height: 68px; }

.logo-wrap { display: flex; align-items: center; gap: 12px; }
.logo-icon-svg { width: 52px; height: 52px; flex-shrink: 0; transition: transform var(--transition); }
.logo-wrap:hover .logo-icon-svg { transform: scale(1.05); }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .02em;
}
.logo-sub {
  font-family: var(--font-sans);
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--white);
  opacity: .85;
}

.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link {
  padding: 8px 16px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.85);
  border-radius: 4px;
  position: relative;
  transition: color var(--transition-fast);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 16px; right: 16px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}
.nav-link:hover, .nav-link.active { color: var(--gold); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.nav-cta { margin-left: 16px; padding: 10px 24px; font-size: .8rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition-fast);
}
.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); }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--navy-deep);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.mobile-nav.open { opacity: 1; pointer-events: all; display: flex; }
.mobile-nav .nav-link {
  font-size: 1.4rem;
  color: var(--white);
  padding: 12px 32px;
}
.mobile-nav .nav-link:hover { color: var(--gold); }

/* ---------- Hero Shared ---------- */
.page-hero {
  min-height: 60vh;
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy-mid) 50%, var(--navy-light) 100%);
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 20% 50%, rgba(201,162,39,.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 80% 30%, rgba(201,162,39,.06) 0%, transparent 50%);
}
.page-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,162,39,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,162,39,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.page-hero-content { position: relative; z-index: 2; max-width: 1280px; margin: 0 auto; width: 100%; }
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero h1 span { color: var(--gold); }
.page-hero p { color: rgba(255,255,255,.75); font-size: 1.1rem; max-width: 560px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; }
.breadcrumb a { color: var(--gold); font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.breadcrumb span { color: rgba(255,255,255,.4); font-size: .8rem; }

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.card-img-wrap {
  overflow: hidden;
  position: relative;
}
.card-img-wrap img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform .6s ease;
}
.card:hover .card-img-wrap img { transform: scale(1.06); }
.card-body { padding: 28px; }
.card-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.tag-gold { background: rgba(201,162,39,.15); color: var(--gold-dark); }
.tag-navy { background: rgba(11,37,69,.1); color: var(--navy); }
.tag-green { background: rgba(16,185,129,.1); color: #059669; }

/* ---------- Stats / Trust Indicators ---------- */
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}
.stat-label { font-size: .8rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.6); margin-top: 8px; }
.stat-label-dark { color: var(--grey-600); }

/* ---------- Section Backgrounds ---------- */
.bg-navy { background: var(--navy); }
.bg-navy-deep { background: var(--navy-deep); }
.bg-navy-mid { background: var(--navy-mid); }
.bg-off-white { background: var(--off-white); }
.bg-grey { background: var(--grey-100); }

/* ---------- Gold Divider ---------- */
.gold-divider {
  width: 60px; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
  margin: 16px 0 24px;
}
.gold-divider.center { margin: 16px auto 24px; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--grey-600);
  margin-bottom: 8px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--grey-200);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: .95rem;
  color: var(--grey-800);
  background: var(--white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,162,39,.12);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-input-dark {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.15);
  color: var(--white);
}
.form-input-dark::placeholder { color: rgba(255,255,255,.4); }
.form-input-dark:focus { border-color: var(--gold); background: rgba(255,255,255,.08); }

/* ---------- Floating WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 58px; height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,.4);
  z-index: 999;
  transition: all var(--transition);
  animation: whatsappPulse 2.5s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 36px rgba(37,211,102,.55);
  animation: none;
}
.whatsapp-float svg { width: 28px; height: 28px; }
@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(37,211,102,.4); }
  50% { box-shadow: 0 6px 40px rgba(37,211,102,.7), 0 0 0 8px rgba(37,211,102,.12); }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,.75);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 60px;
}
.footer-brand { max-width: 320px; }
.footer-brand p { font-size: .9rem; line-height: 1.8; margin-top: 20px; opacity: .7; }
.footer-heading {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: .88rem;
  color: rgba(255,255,255,.65);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-links a:hover { color: var(--gold); }
.footer-links a::before {
  content: '›';
  color: var(--gold);
  font-size: 1rem;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: .88rem;
  color: rgba(255,255,255,.65);
}
.footer-contact-item svg {
  width: 18px; height: 18px;
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 2px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: .8rem; opacity: .5; }
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.6);
  transition: all var(--transition-fast);
}
.social-link:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(201,162,39,.1);
}
.social-link svg { width: 16px; height: 16px; }

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(.9); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}
.animate-on-scroll.from-left { transform: translateX(-40px); }
.animate-on-scroll.from-left.visible { transform: translateX(0); }
.animate-on-scroll.from-right { transform: translateX(40px); }
.animate-on-scroll.from-right.visible { transform: translateX(0); }
.animate-delay-1 { transition-delay: .1s !important; }
.animate-delay-2 { transition-delay: .2s !important; }
.animate-delay-3 { transition-delay: .3s !important; }
.animate-delay-4 { transition-delay: .4s !important; }
.animate-delay-5 { transition-delay: .5s !important; }
.animate-delay-6 { transition-delay: .6s !important; }

/* ---------- Gold Shimmer Text ---------- */
.gold-shimmer {
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-light), var(--gold), var(--gold-dark));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

/* ---------- Parallax Sections ---------- */
.parallax-section {
  position: relative;
  overflow: hidden;
}
.parallax-bg {
  position: absolute;
  inset: -20%;
  background-size: cover;
  background-position: center;
  will-change: transform;
}

/* ---------- Icon Box ---------- */
.icon-box {
  width: 64px; height: 64px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(201,162,39,.15), rgba(201,162,39,.05));
  border: 1px solid rgba(201,162,39,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
  transition: all var(--transition);
}
.icon-box svg { width: 28px; height: 28px; color: var(--gold); }
.card:hover .icon-box {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  border-color: transparent;
}
.card:hover .icon-box svg { color: var(--navy-deep); }

/* ---------- Testimonial ---------- */
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--grey-200);
  position: relative;
  transition: all var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(201,162,39,.3);
  transform: translateY(-4px);
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px; right: 28px;
  font-family: var(--font-serif);
  font-size: 6rem;
  color: rgba(201,162,39,.12);
  line-height: 1;
}
.stars { display: flex; gap: 3px; margin-bottom: 16px; }
.stars svg { width: 16px; height: 16px; color: var(--gold); fill: var(--gold); }
.testimonial-text { font-size: .95rem; color: var(--grey-600); line-height: 1.8; margin-bottom: 24px; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.author-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--gold);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.author-name { font-weight: 700; font-size: .92rem; color: var(--navy); }
.author-title { font-size: .78rem; color: var(--grey-400); margin-top: 2px; }

/* ---------- Badge / Chip ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
}
.badge-gold { background: rgba(201,162,39,.15); color: var(--gold-dark); border: 1px solid rgba(201,162,39,.25); }
.badge-white { background: rgba(255,255,255,.12); color: var(--white); border: 1px solid rgba(255,255,255,.2); }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy-mid) 50%, var(--navy-light) 100%);
  padding: 80px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 100% at 50% 50%, rgba(201,162,39,.08), transparent 70%);
}
.cta-banner h2 { color: var(--white); position: relative; }
.cta-banner p { color: rgba(255,255,255,.7); max-width: 560px; margin: 16px auto 36px; position: relative; }

/* ---------- Map Placeholder ---------- */
.map-placeholder {
  background: var(--navy-deep);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 420px;
  position: relative;
}

/* ---------- Scroll Progress Bar ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  z-index: 1001;
  width: 0%;
  transition: width .1s linear;
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 100px; right: 28px;
  width: 44px; height: 44px;
  background: var(--navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  z-index: 998;
}
.back-to-top.visible { opacity: 1; pointer-events: all; }
.back-to-top:hover { background: var(--gold); color: var(--navy-deep); transform: translateY(-3px); }
.back-to-top svg { width: 20px; height: 20px; }

/* ---------- Accordion ---------- */
.accordion-item {
  border: 1px solid var(--grey-200);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.accordion-header {
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: var(--navy);
  transition: background var(--transition-fast);
}
.accordion-header:hover { background: var(--grey-100); }
.accordion-icon { transition: transform var(--transition-fast); color: var(--gold); }
.accordion-item.open .accordion-icon { transform: rotate(45deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
  padding: 0 24px;
}
.accordion-item.open .accordion-body {
  max-height: 400px;
  padding: 0 24px 20px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section-pad { padding: 70px 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .logo-name { font-size: 1.1rem; }
  .logo-sub { font-size: .55rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .btn { padding: 12px 22px; font-size: .78rem; }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.6rem; }
  .whatsapp-float { bottom: 20px; right: 20px; width: 50px; height: 50px; }
}

/* ---------- Custom Scrollbar ---------- */
::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-track { background: var(--navy-deep); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-light); }

/* ---------- Selection ---------- */
::selection { background: rgba(201,162,39,.25); color: var(--navy); }

/* ---------- Loading Screen ---------- */
.loader {
  position: fixed;
  inset: 0;
  background: var(--navy-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
  z-index: 9999;
  transition: opacity .6s ease, visibility .6s ease;
}
.loader.hidden { opacity: 0; visibility: hidden; }
.loader-logo { animation: scaleIn .5s ease; }
.loader-bar {
  width: 200px; height: 2px;
  background: rgba(255,255,255,.1);
  border-radius: 2px;
  overflow: hidden;
}
.loader-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
  animation: loadFill 1.5s ease forwards;
}
@keyframes loadFill {
  from { width: 0; }
  to   { width: 100%; }
}