/* -------------------------------------------------------------------------
   LUXURY SHOWCASE PORTFOLIO - DESIGN SYSTEM & STYLES (WITH WHATSAPP WIDGET)
   ------------------------------------------------------------------------- */

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

:root {
  --bg-dark: #090d16;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(28, 36, 56, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(99, 102, 241, 0.4);
  
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.35);
  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.35);
  --gold: #f59e0b;
  --emerald: #10b981;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-main: 'Outfit', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;

  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
  color: inherit;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-main);
  overflow-x: hidden;
}

body {
  position: relative;
  min-height: 100vh;
  line-height: 1.6;
}

/* Background Animated Glows */
.bg-blobs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.25;
  animation: float 18s infinite alternate ease-in-out;
}

.blob-1 {
  top: -10%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--primary), transparent);
}

.blob-2 {
  bottom: 10%;
  right: -10%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, var(--cyan), transparent);
  animation-delay: -5s;
}

.blob-3 {
  top: 40%;
  left: 30%;
  width: 35vw;
  height: 35vw;
  background: radial-gradient(circle, #8b5cf6, transparent);
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 60px) scale(1.1); }
  100% { transform: translate(-30px, 30px) scale(0.95); }
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 18px 0;
  transition: var(--transition);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
}

.logo-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--text-main);
}

.btn-cta {
  background: linear-gradient(135deg, var(--primary), #4f46e5);
  color: #fff !important;
  padding: 10px 22px;
  border-radius: 30px;
  font-weight: 600 !important;
  box-shadow: 0 4px 15px var(--primary-glow);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--primary-glow);
}

/* Hero Section with Interactive Canvas Background & Deep Glows */
.hero {
  padding: 180px 0 110px 0;
  text-align: center;
  position: relative;
  background: radial-gradient(circle at 50% 30%, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.06) 50%, var(--bg-dark) 100%);
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(99, 102, 241, 0.35);
  padding: 6px 18px;
  border-radius: 20px;
  color: #a5b4fc;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 50%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 40px auto;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 60px;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Stats Bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(16px);
  padding: 30px;
  border-radius: 24px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.stat-item h3 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--cyan);
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

/* Showcase Section */
.section-title-area {
  text-align: center;
  margin-bottom: 40px;
}

.section-title-area h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-title-area p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 10px 20px;
  border-radius: 20px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(6, 182, 212, 0.2));
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 15px var(--primary-glow);
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 30px;
  margin-bottom: 100px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-highlight);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 30px var(--primary-glow);
}

.card-image-wrap {
  position: relative;
  width: 100%;
  height: 230px;
  overflow: hidden;
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .card-image-wrap img {
  transform: scale(1.06);
}

.card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cyan);
}

.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-category {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tech-pill {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.78rem;
  color: #cbd5e1;
}

.card-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.btn-details {
  flex: 1;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
  padding: 10px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-details:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn-demo {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

.btn-demo:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: rotate(45deg);
}

/* Floating WhatsApp Widget */
.whatsapp-widget {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(18, 24, 38, 0.85);
  border: 1px solid rgba(16, 185, 129, 0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 10px 20px 10px 14px;
  border-radius: 40px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5), 0 0 20px rgba(16, 185, 129, 0.25);
  text-decoration: none;
  color: #fff;
  transition: var(--transition);
}

.whatsapp-widget:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 15px 40px rgba(0,0,0,0.6), 0 0 30px rgba(16, 185, 129, 0.4);
  border-color: #10b981;
}

.whatsapp-icon-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
}

.whatsapp-text-content {
  display: flex;
  flex-direction: column;
}

.whatsapp-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #10b981;
  line-height: 1.2;
}

.whatsapp-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Trust & Engineering Section */
.trust-section {
  padding: 80px 0;
  background: linear-gradient(180deg, transparent, rgba(18, 24, 38, 0.5), transparent);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.trust-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 32px;
  border-radius: 20px;
  transition: var(--transition);
}

.trust-card:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
}

.trust-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.trust-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.trust-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Contact / Proposal Form Section */
.contact-section {
  padding: 100px 0;
}

.contact-box {
  background: linear-gradient(135deg, rgba(18, 24, 38, 0.9), rgba(15, 23, 42, 0.95));
  border: 1px solid var(--border-color);
  border-radius: 28px;
  padding: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}

.contact-info h2 {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
}

.contact-info p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.contact-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.feature-item-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #cbd5e1;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px 18px;
  color: #fff;
  font-family: var(--font-main);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
  background: rgba(255, 255, 255, 0.07);
}

select.form-control option {
  background: var(--bg-dark);
  color: #fff;
}

.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: #fff;
  border: none;
  padding: 16px;
  border-radius: 14px;
  font-family: var(--font-main);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px var(--primary-glow);
}

/* Modal Window */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 8, 15, 0.85);
  backdrop-filter: blur(20px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-highlight);
  border-radius: 24px;
  width: 90%;
  max-width: 900px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  box-shadow: 0 25px 50px rgba(0,0,0,0.6);
  transform: scale(0.9);
  transition: var(--transition);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.modal-img-wrap {
  width: 100%;
  height: 360px;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 24px;
}

.modal-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-header-info {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
}

.modal-grid-details {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 30px;
  margin-top: 24px;
}

.modal-section-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: 16px;
  margin-bottom: 20px;
}

.modal-section-box h4 {
  color: var(--cyan);
  font-size: 1rem;
  margin-bottom: 10px;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero h1 { font-size: 2.8rem; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: 1fr; }
  .contact-box { grid-template-columns: 1fr; padding: 30px; }
  .modal-grid-details { grid-template-columns: 1fr; }
}

/* Hamburger Toggle Button */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 101;
}

.hamburger-bar {
  width: 22px;
  height: 2px;
  background-color: var(--text-main);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-toggle.active .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 260px;
    height: 100vh;
    background: rgba(9, 13, 22, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    padding: 40px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 99;
  }

  .nav-links.active {
    right: 0;
    box-shadow: -10px 0 40px rgba(0,0,0,0.8);
  }
}

@media (max-width: 600px) {
  .hero h1 { font-size: 2.2rem; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr; }
  .whatsapp-widget { bottom: 20px; right: 20px; padding: 10px; }
  .whatsapp-text-content { display: none; }
}

/* Scroll Reveal & Animation System */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  filter: blur(8px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform, filter;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  filter: blur(8px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform, filter;
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
  filter: blur(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  filter: blur(8px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform, filter;
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
  filter: blur(0);
}

/* Stagger delay classes for grid layouts */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }

/* Micro-interaction on cards and icons */
.stat-item {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.stat-item:hover {
  transform: translateY(-5px);
}