/* ================================================================
   OREFAME RO SYSTEM — Custom Stylesheet
   Stack: HTML5 · Tailwind CSS · Custom CSS
   ================================================================ */

/* ── CSS Variables ─────────────────────────────────────────────── */
/*
   PURE WATER — UNIFIED 4-COLOR PALETTE
   ─────────────────────────────────────────────────────────────
   Color 1 – Sky Blue   #38bdf8  — water clarity, freshness, primary accents
   Color 2 – Cyan Wave  #22d3ee  — flowing water, highlights, borders
   Color 3 – Ocean Depth #0ea5e9 — deep water, medium tones, subtle fills
   Color 4 – Night Ocean #020d1a — deep ocean background (all sections)
   Gold   – Price & Logo ONLY
   ─────────────────────────────────────────────────────────────
*/
:root {
  /* Color 1 – Sky Blue (primary accent — clean, bright water) */
  --sky:           #38bdf8;
  --sky-light:     #bae6fd;
  --sky-dark:      #0284c7;

  /* Color 2 – Cyan Wave (secondary accent — flowing water, borders) */
  --wave:          #22d3ee;
  --wave-light:    #a5f3fc;
  --wave-dark:     #0891b2;

  /* Color 3 – Ocean Depth (mid-tone fills, hover states) */
  --depth:         #0ea5e9;
  --depth-light:   #7dd3fc;
  --depth-dark:    #075985;

  /* Color 4 – Night Ocean (all dark backgrounds, unified) */
  --ocean:         #020d1a;
  --ocean-mid:     #051830;
  --ocean-card:    #0a2040;
  --ocean-panel:   #071428;

  /* Gold – MRP price & brand logo ONLY */
  --gold:          #c9a84c;
  --gold-light:    #e4c97a;
  --gold-dark:     #a07830;

  /* Unified background tones */
  --bg-hero:       #020d1a;
  --bg-section:    #030f1e;
  --bg-alt:        #040e1c;

  /* Legacy aliases */
  --aqua:          #38bdf8;
  --aqua-light:    #bae6fd;
  --aqua-dark:     #0284c7;
  --teal:          #0ea5e9;
  --teal-light:    #22d3ee;
  --teal-dark:     #0891b2;
  --blue:          #0ea5e9;
  --blue-light:    #7dd3fc;
  --blue-dark:     #075985;
  --emerald:       #22d3ee;
  --emerald-light: #a5f3fc;
  --emerald-dark:  #0891b2;
  --panel:         #071428;
  --panel-light:   #0a2040;
  --panel-dark:    #030b18;
  --brand:         #051830;
  --brand-light:   #0a2a50;
  --brand-dark:    #020d1a;
  --steel:         #071428;
  --steel-light:   #0a2040;
  --steel-dark:    #030b18;

  --text-muted:    #64748b;
  --transition:    all 0.35s ease;
}

/* ── Base ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background-color: #020d1a;
  font-family: 'Montserrat', sans-serif;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #020d1a; }
::-webkit-scrollbar-thumb { background: var(--wave-dark); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--sky); }

/* ── Typography Helpers ────────────────────────────────────────── */
.gold-gradient-text {
  background: linear-gradient(135deg, var(--sky-light) 0%, var(--sky) 40%, var(--wave) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sky);
  background: rgba(56,189,248,0.10);
  border: 1px solid rgba(56,189,248,0.28);
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-subtitle {
  color: #94a3b8;
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ── Navbar ────────────────────────────────────────────────────── */
#navbar {
  background: transparent;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(2, 8, 18, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 40px rgba(0,0,0,0.5), 0 1px 0 rgba(14,165,233,0.20);
}

.mobile-menu.bg-steel\/95 { background: rgba(3,13,24,0.95) !important; }

.nav-link {
  position: relative;
  color: #cbd5e1;
  transition: color 0.3s ease, transform 0.2s ease;
  font-weight: 500;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--sky), transparent);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 2px;
}
.nav-link:hover {
  color: var(--sky-light);
  transform: translateY(-1px);
}
.nav-link:hover::after {
  width: 100%;
  background: linear-gradient(90deg, var(--sky-light), var(--sky), var(--sky-light));
}
.nav-link.active {
  color: var(--sky);
  font-weight: 700;
  text-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
}
.nav-link.active::after {
  width: 100%;
  height: 2.5px;
  background: linear-gradient(90deg, var(--sky-light), var(--sky), var(--sky-light));
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.6);
}

.hamburger-line {
  transition: all 0.35s;
  transform-origin: center;
}
#menu-btn.open .hamburger-line:nth-child(1) { transform: translateY(6px) rotate(45deg); }
#menu-btn.open .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
#menu-btn.open .hamburger-line:nth-child(3) { transform: translateY(-8px) rotate(-45deg); width: 24px; }
/* Mobile Nav Links */
.mobile-link {
  position: relative;
  transition: all 0.3s ease;
}
.mobile-link.active {
  background: rgba(56, 189, 248, 0.15) !important;
  color: var(--sky) !important;
  font-weight: 600;
  border-left: 3px solid var(--sky);
  padding-left: 13px !important;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
}

/* ── Buttons ───────────────────────────────────────────────────── */
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--sky-light) 0%, var(--sky) 50%, var(--depth) 100%);
  color: #020d1a;
  font-weight: 700;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  background-size: 200% 200%;
  background-position: left center;
}
.btn-gold:hover {
  background-position: right center;
  box-shadow: 0 8px 32px rgba(14,165,233,0.55);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(56,189,248,0.45);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--sky);
  background: rgba(56,189,248,0.08);
  color: var(--sky);
}

/* ── Hero Section ──────────────────────────────────────────────── */
/* ZONE 1 – Hero: Deep Ocean + Electric Cyan ───────────────────── */
.hero-bg {
  background:
    radial-gradient(ellipse at 15% 60%, rgba(14,165,233,0.20) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 20%, rgba(56,189,248,0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(34,211,238,0.10) 0%, transparent 60%),
    linear-gradient(160deg, #020d1a 0%, #051830 45%, #020d1a 100%);
}

.hero-grid-overlay {
  background-image:
    linear-gradient(rgba(34,211,238,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,0.05) 1px, transparent 1px);
  background-size: 50px 50px;
}

.hero-product-glow {
  background: radial-gradient(ellipse at center, rgba(56,189,248,0.25) 0%, rgba(14,165,233,0.14) 50%, transparent 70%);
  filter: blur(30px);
  transform: scale(1.2);
}

/* Bubbles */
.bubbles-container { pointer-events: none; }

.bubble {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(34,211,238,0.18), rgba(14,165,233,0.08));
  border: 1px solid rgba(56,189,248,0.20);
  animation: bubbleFloat linear infinite;
}

.bubble-1 { width: 80px;  height: 80px;  left: 5%;   bottom: -80px;  animation-duration: 12s; animation-delay: 0s; }
.bubble-2 { width: 50px;  height: 50px;  left: 15%;  bottom: -50px;  animation-duration: 9s;  animation-delay: 2s; }
.bubble-3 { width: 120px; height: 120px; left: 30%;  bottom: -120px; animation-duration: 15s; animation-delay: 4s; }
.bubble-4 { width: 40px;  height: 40px;  left: 60%;  bottom: -40px;  animation-duration: 10s; animation-delay: 1s; }
.bubble-5 { width: 90px;  height: 90px;  left: 75%;  bottom: -90px;  animation-duration: 13s; animation-delay: 3s; }
.bubble-6 { width: 60px;  height: 60px;  left: 88%;  bottom: -60px;  animation-duration: 8s;  animation-delay: 5s; }

@keyframes bubbleFloat {
  0%   { transform: translateY(0) scale(1); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.6; }
  100% { transform: translateY(-105vh) scale(0.7); opacity: 0; }
}

/* Price tag — stays GOLD for premium luxury feel */
.price-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

/* Tech Badges in hero */
.tech-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #e2e8f0;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 5px 12px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

/* Scroll indicator */
.scroll-indicator {
  width: 1.5px;
  height: 40px;
  background: linear-gradient(to bottom, var(--sky), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; height: 40px; }
  50%       { opacity: 0.4; height: 20px; }
}

/* Product floating animation */
.product-float {
  animation: productFloat 4s ease-in-out infinite;
}

@keyframes productFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

/* ── Stats Bar — ZONE 2 Teal separator ────────────────────────── */
.stats-bar {
  background: linear-gradient(135deg, rgba(14,165,233,0.12) 0%, rgba(3,15,32,0.97) 100%);
  border-top: 1px solid rgba(56,189,248,0.18);
  border-bottom: 1px solid rgba(34,211,238,0.16);
  backdrop-filter: blur(10px);
}

.stat-item {
  padding: 8px 0;
}

/* ─────────────────────────────────────────────────────────────────
   ZONE 2 – About/Stats : Deep Teal Navy  (#041625)
   ZONE 3 – Products/Tech: Midnight Blue  (#030b1a)
   ZONE 4 – Reviews/FAQ/Contact: Health Dark (#04130f → #041520)
   ───────────────────────────────────────────────────────────────── */
.section-about {
  background: linear-gradient(180deg, #020d1a 0%, #051830 40%, #071c38 70%, #020d1a 100%);
}

.section-products {
  /* Unified Ocean Blue */
  background: linear-gradient(160deg, #020d1a 0%, #041020 35%, #061228 60%, #020d1a 100%);
}

.tech-section {
  /* Unified Ocean Blue — tech panel */
  background: linear-gradient(135deg, #030e1c 0%, #051528 100%);
}

.faq-section {
  /* Unified Ocean Blue */
  background: linear-gradient(180deg, #020d1a 0%, #041630 50%, #020d1a 100%);
}

.contact-section {
  /* Unified Ocean Blue */
  background: linear-gradient(180deg, #020d1a 0%, #051a34 60%, #020d1a 100%);
}

.section-bg-orb {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(100px);
  opacity: 0.25;
}
/* Zone 2 orb – teal */
.orb-blue { background: radial-gradient(circle, rgba(14,165,233,0.7), transparent); }
/* Zone 3 orb – royal blue */
.orb-royal { background: radial-gradient(circle, rgba(56,189,248,0.55), transparent); }
/* Zone 4 orb – emerald */
.orb-gold  { background: radial-gradient(circle, rgba(34,211,238,0.5), transparent); }

/* ── Feature Cards (About) ─────────────────────────────────────── */
.feature-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(56,189,248,0.04);
  border: 1px solid rgba(56,189,248,0.12);
  border-radius: 12px;
  padding: 14px 16px;
  transition: var(--transition);
  cursor: default;
}
/* Sky Blue accent for About feature cards */
.feature-card:hover {
  background: rgba(56,189,248,0.07);
  border-color: rgba(56,189,248,0.30);
  transform: translateX(4px);
}

.feature-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(56,189,248,0.18), rgba(14,165,233,0.06));
  border: 1px solid rgba(56,189,248,0.30);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--sky);
  font-size: 0.9rem;
}

/* About image stack */
.about-img-stack { position: relative; }

/* ── Product Cards ─────────────────────────────────────────────── */
/* Sky Blue for product cards */
.product-card {
  background: linear-gradient(145deg, rgba(4,14,30,0.92), rgba(3,10,22,0.97));
  border: 1px solid rgba(56,189,248,0.12);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.product-card:hover {
  border-color: rgba(34,211,238,0.50);
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.45), 0 0 40px rgba(56,189,248,0.18);
}

.product-card-premium {
  border-color: rgba(56,189,248,0.28);
  box-shadow: 0 0 0 1px rgba(56,189,248,0.12);
}

.product-badge-top {
  position: absolute;
  top: 16px;
  left: 16px;
  background: linear-gradient(135deg, var(--sky), var(--depth-dark));
  color: #fff;
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  padding: 4px 12px;
  border-radius: 999px;
  z-index: 10;
}

.product-img-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: linear-gradient(135deg, #030d1e, #061428);
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.product-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,23,42,1) 0%, transparent 60%);
}

.product-badge-eco,
.product-badge-dx {
  position: absolute;
  bottom: 16px;
  right: 16px;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  padding: 4px 10px;
  border-radius: 999px;
  z-index: 5;
}
.product-badge-eco {
  background: rgba(34,211,238,0.15);
  border: 1px solid rgba(34,211,238,0.50);
  color: #a5f3fc;
}
.product-badge-dx {
  background: rgba(56,189,248,0.15);
  border: 1px solid rgba(56,189,248,0.50);
  color: var(--sky-light);
}

.tech-chip {
  display: inline-flex;
  align-items: center;
  font-size: 0.65rem;
  font-weight: 600;
  color: #cbd5e1;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 3px 10px;
  border-radius: 999px;
}

/* Address Banner – Sky Blue */
.address-banner {
  background: linear-gradient(135deg, rgba(14,165,233,0.14), rgba(3,10,22,0.88));
  border: 1px solid rgba(56,189,248,0.22);
  border-radius: 20px;
  padding: 28px 32px;
  backdrop-filter: blur(10px);
}

/* Sky Blue tech pills */
.tech-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  background: linear-gradient(145deg, rgba(4,14,30,0.90), rgba(3,10,22,0.95));
  border: 1px solid rgba(56,189,248,0.14);
  border-radius: 16px;
  text-align: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  transition: var(--transition);
  cursor: default;
}
/* Sky Blue tech pills hover */
.tech-pill:hover {
  border-color: rgba(34,211,238,0.55);
  background: linear-gradient(145deg, rgba(14,165,233,0.18), rgba(3,11,26,0.80));
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.35), 0 0 20px rgba(56,189,248,0.22);
}

/* ── Testimonials ──────────────────────────────────────────────── */
.testimonials-track { user-select: none; }

/* Sky Blue — testimonials */
.testimonial-card {
  background: linear-gradient(145deg, rgba(4,12,26,0.92), rgba(3,10,20,0.97));
  border: 1px solid rgba(56,189,248,0.12);
  border-radius: 20px;
  padding: 28px;
  transition: var(--transition);
  position: relative;
}
.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 4rem;
  color: rgba(56,189,248,0.15);
  font-family: 'Playfair Display', serif;
  line-height: 1;
}
.testimonial-card:hover {
  border-color: rgba(56,189,248,0.38);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.38), 0 0 30px rgba(56,189,248,0.12);
}

.slider-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(56,189,248,0.35);
  color: var(--sky);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.slider-btn:hover {
  background: rgba(56,189,248,0.15);
  border-color: var(--sky);
  transform: scale(1.1);
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  cursor: pointer;
  transition: var(--transition);
}
.slider-dot.active {
  background: var(--sky);
  width: 24px;
  border-radius: 4px;
}

/* ── FAQ ───────────────────────────────────────────────────────── */
/* Sky Blue for FAQ items */
.faq-item {
  background: linear-gradient(145deg, rgba(4,12,24,0.80), rgba(3,10,20,0.88));
  border: 1px solid rgba(56,189,248,0.10);
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(56,189,248,0.28);
}
.faq-item.open {
  border-color: rgba(56,189,248,0.42);
  box-shadow: 0 8px 30px rgba(0,0,0,0.25), 0 0 20px rgba(56,189,248,0.10);
}

.faq-question {
  background: transparent;
  border: none;
  padding: 18px 20px;
  cursor: pointer;
  color: #fff;
}
.faq-question:hover { color: var(--sky-light); }

.faq-icon-wrap {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(56,189,248,0.10);
  border: 1px solid rgba(56,189,248,0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-answer.open { max-height: 300px; }

.faq-item.open .faq-chevron { transform: rotate(180deg); }

/* ── Contact ───────────────────────────────────────────────────── */
.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: rgba(56,189,248,0.03);
  border: 1px solid rgba(56,189,248,0.10);
  border-radius: 14px;
  padding: 18px 20px;
  transition: var(--transition);
}
/* Sky Blue for contact info cards */
.contact-info-card:hover {
  border-color: rgba(56,189,248,0.30);
  background: rgba(56,189,248,0.05);
}

.contact-info-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(56,189,248,0.10);
  border: 1px solid rgba(56,189,248,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.contact-form-card {
  background: linear-gradient(145deg, rgba(4,12,26,0.92), rgba(3,10,22,0.97));
  border: 1px solid rgba(56,189,248,0.14);
  border-radius: 24px;
  padding: 36px;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: #94a3b8;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.form-input-wrap {
  position: relative;
}

.form-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--wave);
  font-size: 0.8rem;
  pointer-events: none;
}

.form-input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 12px 14px 12px 40px;
  color: #fff;
  font-size: 0.875rem;
  font-family: 'Montserrat', sans-serif;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-input::placeholder { color: #475569; }
.form-input:focus {
  border-color: rgba(56,189,248,0.50);
  background: rgba(56,189,248,0.04);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.10);
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2322d3ee'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px;
}
.form-select option { background-color: #020d1a; color: #fff; }

.form-textarea {
  resize: vertical;
  min-height: 100px;
  padding-top: 12px;
  padding-left: 40px;
}
.form-input-wrap .form-icon.mt-3 {
  top: 14px;
  transform: none;
}

/* ── Footer ────────────────────────────────────────────────────── */
/* Footer – Sky Blue ocean base */
.footer-section {
  background: linear-gradient(180deg, rgba(56,189,248,0.06) 0%, #020d1a 100%);
  border-top: 1px solid rgba(34,211,238,0.15);
}

.footer-link {
  display: flex;
  align-items: center;
  color: #64748b;
  font-size: 0.875rem;
  transition: var(--transition);
  text-decoration: none;
}
.footer-link:hover { color: var(--sky); transform: translateX(4px); }

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(34,211,238,0.15);
  color: #94a3b8;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  text-decoration: none;
}
.social-link:hover {
  background: rgba(56,189,248,0.14);
  border-color: var(--sky);
  color: var(--sky);
  transform: translateY(-3px);
}
.social-wa:hover {
  background: rgba(37,211,102,0.15);
  border-color: #25d366;
  color: #25d366;
}

/* ── Floating Buttons ──────────────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 24px rgba(37,211,102,0.4);
  transition: var(--transition);
  animation: waPulse 3s ease-in-out infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37,211,102,0.55);
}

@keyframes waPulse {
  0%, 100% { box-shadow: 0 4px 24px rgba(37,211,102,0.4); }
  50%       { box-shadow: 0 4px 40px rgba(37,211,102,0.65), 0 0 0 8px rgba(37,211,102,0.1); }
}

.wa-tooltip {
  position: absolute;
  left: 68px;
  background: rgba(15,23,42,0.95);
  border: 1px solid rgba(37,211,102,0.3);
  color: #25d366;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  backdrop-filter: blur(10px);
}
.whatsapp-float:hover .wa-tooltip { opacity: 1; }

.scroll-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--sky-light), var(--depth));
  color: #020d1a;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(14,165,233,0.40);
  transition: var(--transition);
}
.scroll-top-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(56,189,248,0.55);
}

/* ── Scroll Animations ─────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.scroll-reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.scroll-reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ── Mobile Menu Animation ─────────────────────────────────────── */
.mobile-menu {
  animation: slideDown 0.35s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive Tweaks ─────────────────────────────────────────── */
@media (max-width: 640px) {
  .section-title { font-size: 1.75rem; }
  .address-banner { padding: 20px; }
  .contact-form-card { padding: 24px; }
  .about-img-stack { height: 280px; }
  .about-img-stack img:first-child { width: 180px; height: 240px; }
  .about-img-stack img:last-child  { width: 155px; height: 210px; }
  .about-img-dummy { height: 300px; }
}

@media (min-width: 1024px) {
  .about-img-dummy { height: 440px; }
}






/* ── Active Nav Pulse Animation ───────────────────────────────── */
@keyframes navActivePulse {
  0%, 100% {
    text-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
  }
  50% {
    text-shadow: 0 0 20px rgba(56, 189, 248, 0.5), 0 0 30px rgba(56, 189, 248, 0.2);
  }
}

.nav-link.active {
  animation: navActivePulse 3s ease-in-out infinite;
}



/* ── Sticky Footer Navigation ─────────────────────────────────── */
.sticky-footer-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-around;
  align-items: center;
  background: linear-gradient(180deg, rgba(2,13,26,0.95) 0%, rgba(5,24,48,0.98) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(56,189,248,0.15);
  box-shadow: 0 -4px 30px rgba(0,0,0,0.5), 0 -1px 0 rgba(56,189,248,0.1);
  padding: 8px 0 max(8px, env(safe-area-inset-bottom));
  transition: transform 0.3s ease;
}

.footer-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 12px;
  color: #94a3b8;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  min-width: 60px;
  border-radius: 12px;
}

.footer-nav-item i {
  font-size: 1.25rem;
  transition: all 0.3s ease;
}

.footer-nav-item span {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.footer-nav-item:hover {
  color: var(--sky);
  transform: translateY(-3px);
}

.footer-nav-item:hover i {
  transform: scale(1.15);
  color: var(--sky-light);
}

.footer-nav-item.active {
  color: var(--sky);
  background: rgba(56,189,248,0.1);
}

.footer-nav-item.active i {
  color: var(--sky);
  animation: footerIconPulse 2s ease-in-out infinite;
}

@keyframes footerIconPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* Hide sticky footer nav on large screens (desktop has top nav) */
@media (min-width: 768px) {
  .sticky-footer-nav {
    display: none;
  }
}

/* Adjust body padding to prevent content being hidden behind sticky footer on mobile */
@media (max-width: 767px) {
  body {
    padding-bottom: 70px;
  }
  
  .whatsapp-float {
    bottom: 85px;
  }
  
  .scroll-top-btn {
    bottom: 85px;
  }
}