/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Industrial HVAC color theme - Light Mode */
  --color-primary: #1e3a5f;
  --color-primary-dark: #152a45;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-white: #ffffff;
  --color-background: #fafafa;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --color-card: #ffffff;
  --color-muted: #f1f5f9;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Dark Mode */
[data-theme="dark"] {
  --color-primary: #2d5a8c;
  --color-primary-dark: #1e3a5f;
  --color-accent: #60a5fa;
  --color-accent-hover: #3b82f6;
  --color-white: #ffffff;
  --color-background: #0f172a;
  --color-text: #e2e8f0;
  --color-text-light: #94a3b8;
  --color-border: #334155;
  --color-card: #1e293b;
  --color-muted: #1e293b;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  transition: background-color 0.3s ease, color 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.hidden {
  display: none !important;
}

.logo {
    display: flex;
    align-items: center;
    margin-right: auto;
}

[data-theme="dark"] #siteLogo {
    content: url("public/logo-ventkraft-dark.png");
}


.logo-img {
    height: 90px; /* bisa dinaikkan 70–80 jika ingin lebih besar */
    width: auto;
    object-fit: contain;
}

/*select */
/* SELECT = samakan dengan input text */

.form-group select,
select#recipient {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--color-border);
    background-color: var(--color-background);
    color: var(--color-text);
    font-family: inherit;
    font-size: 1rem;
    height: 50px;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='none' stroke='%23666' stroke-width='2' viewBox='0 0 24 24'%3e%3cpolyline points='6 9 12 15 18 9'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 16px;
    cursor: pointer;
}

    .form-group select:focus {
        border-color: var(--color-accent);
        box-shadow: 0 0 0 3px rgba(59,130,246,0.10);
    }


/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-full {
  width: 100%;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-card);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 6rem;
  gap: 1rem;
}



.logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--color-primary);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon span {
  color: var(--color-white);
  font-weight: 700;
  font-size: 1rem;
}

.logo-text h1 {
  font-size: 1rem;
  color: var(--color-text);
}

.logo-text p {
  font-size: 0.7rem;
  color: var(--color-text-light);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-accent);
}

/* Theme Toggle Button */
.theme-toggle,
.theme-toggle-mobile,
.lang-toggle,
.lang-toggle-mobile {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
}

.theme-toggle:hover,
.theme-toggle-mobile:hover,
.lang-toggle:hover,
.lang-toggle-mobile:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.theme-toggle svg,
.theme-toggle-mobile svg,
.lang-toggle svg,
.lang-toggle-mobile svg {
  flex-shrink: 0;
}

/* Call Center Info */
.call-center-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
  padding-left: 1rem;
  border-left: 2px solid var(--color-border);
}

.call-center-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

.call-center-numbers {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
  white-space: nowrap;
}

.call-center-cta {
  font-size: 0.875rem;
  color: var(--color-text);
}

.ask-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 700;
  transition: color 0.3s ease;
}

.ask-link:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* Mobile Controls */
.mobile-controls {
  display: flex;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  margin-top: 1rem;
}

.mobile-menu-btn {
  display: flex;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn svg {
  width: 1.5rem;
  height: 1.5rem;
  stroke: var(--color-text);
}

.nav-mobile {
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .logo-icon {
    width: 3rem;
    height: 3rem;
  }

  .logo-icon span {
    font-size: 1.25rem;
  }

  .logo-text h1 {
    font-size: 1.25rem;
  }

  .logo-text p {
    font-size: 0.75rem;
  }

  .nav-desktop {
    display: flex;
  }

  .mobile-menu-btn,
  .nav-mobile {
    display: none !important;
  }
}

/* Hero Slider */
.hero-slider {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  padding-top: 5rem;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.slide.active {
  opacity: 1;
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(30, 58, 95, 0.9), rgba(30, 58, 95, 0.5));
  z-index: 10;
}

.slide-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide-content {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
}

.slide-title {
  font-size: 3rem;
  color: var(--color-white);
  margin-bottom: 1rem;
  animation: fadeIn 1s ease-in-out;
}

.slide-subtitle {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  animation: fadeIn 1s ease-in-out 0.2s both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  background-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: none;
  border-radius: 50%;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.slider-btn:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.slider-btn svg {
  stroke: var(--color-white);
}

.slider-btn-prev {
  left: 1rem;
}

.slider-btn-next {
  right: 1rem;
}

.slider-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 30;
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background-color: var(--color-white);
  width: 2rem;
}

@media (min-width: 768px) {
  .slide-title {
    font-size: 4.5rem;
  }

  .slide-subtitle {
    font-size: 1.875rem;
  }
}

/* Section Styles */
.about-section,
.products-section,
.contact-section {
  padding: 5rem 0;
}

.about-section {
  background-color: var(--color-muted);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 48rem;
  margin: 0 auto;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 3rem;
  }
}

/* About Section 
.about-content {
  display: grid;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
}
    */
.about-content {
    display: grid;
    gap: 3rem;
    align-items: start; /* ini yang bikin gambar naik */
    margin-bottom: 4rem;
}
/*
.about-image img {
  border-radius: 0.5rem;
  box-shadow: var(--shadow-xl);
  width: 100%;
}
    */
.about-image img {
    border-radius: 0.75rem;
    box-shadow: var(--shadow-xl);
}

@media (min-width: 1024px) {
    .about-image {
        position: sticky;
        top: 120px;
    }
}

/*
.about-text h3 {
  font-size: 1.875rem;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.about-text p {
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}*/
.about-text h3 {
    font-size: 2rem;
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 1.4rem;
    color: var(--color-text-light);
}


.stats-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.stat-card {
  background-color: var(--color-card);
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
  text-align: center;
  transition: box-shadow 0.3s ease;
}

.stat-card:hover {
  box-shadow: var(--shadow-xl);
}

.stat-icon {
  width: 4rem;
  height: 4rem;
  background-color: rgba(59, 130, 246, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.stat-icon svg {
  stroke: var(--color-accent);
}

.stat-number {
  font-size: 1.875rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--color-text-light);
}

@media (min-width: 768px) {
  .about-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Products Section */
.products-grid {
  display: grid;
  gap: 2rem;
}

.product-card {
  background-color: var(--color-card);
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.product-card:hover {
  box-shadow: var(--shadow-xl);
}

.product-image {
  position: relative;
  height: 16rem;
  overflow: hidden;
}

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

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(30, 58, 95, 0.8), transparent);
}

.product-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-title {
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.product-description {
  color: var(--color-text-light);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.product-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.product-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.product-features svg {
  flex-shrink: 0;
  stroke: var(--color-accent);
  margin-top: 0.125rem;
}

.product-features span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (min-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

    .product-content .btn {
        margin-top: auto;
    }


/* Contact Section */
.contact-section {
  background-color: var(--color-muted);
}

.contact-grid {
  display: grid;
  gap: 3rem;
}

.contact-form-wrapper,
.contact-info {
  background-color: var(--color-card);
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
}

.form-title,
.info-title {
  font-size: 1.875rem;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-row {
  display: grid;
  gap: 1rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
  resize: none;
}

.info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.info-icon {
  width: 3rem;
  height: 3rem;
  background-color: rgba(59, 130, 246, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-icon svg {
  stroke: var(--color-accent);
}

.info-content h4 {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.info-content p {
  color: var(--color-text-light);
  font-size: 0.875rem;
  line-height: 1.6;
}

.map-placeholder {
  margin-top: 1.5rem;
  border-radius: 0.5rem;
  overflow: hidden;
  height: 16rem;
}

.map-container {
    margin-top: 20px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

    .map-container iframe {
        display: block;
    }

.map-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 768px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Footer */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 3rem 0;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-logo h3 {
  font-size: 1.125rem;
}

.footer-desc {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-title {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li,
.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  text-decoration: none;
  transition: color 0.3s ease;
  display: block;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  gap: 0.5rem;
}

.contact-item svg {
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.contact-item p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
}

.social-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.social-link {
  width: 2.5rem;
  height: 2.5rem;
  background-color: rgba(59, 130, 246, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease;
}

.social-link:hover {
  background-color: var(--color-accent);
}

.social-link svg {
  fill: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    width: 3.5rem;
    height: 3.5rem;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
    text-decoration: none;
    color: white;
    border: none; /* penting */
    cursor: pointer; /* penting */
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
  0% {
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6);
  }
  100% {
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  }
}

@media (max-width: 767px) {
  .whatsapp-float {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 3rem;
    height: 3rem;
  }

  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}

/* Responsive Enhancements */
@media (max-width: 480px) {
  .container {
    padding: 0 0.75rem;
  }

  .section-title {
    font-size: 1.875rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .slide-title {
    font-size: 2rem;
  }

  .slide-subtitle {
    font-size: 1.125rem;
  }

  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }

  .btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
}

/* Smooth Transitions for Theme Switch */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
/*wa new*/
.whatsapp-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
}

.wa-menu {
    position: absolute;
    bottom: 70px; /* penting supaya naik ke atas tombol */
    right: 0;
    display: none;
    flex-direction: column;
    background: white;
    border-radius: 12px;
    padding: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,.15);
    min-width: 160px;
}

    .wa-menu a {
        padding: 8px 12px;
        text-decoration: none;
        color: #333;
    }

    .wa-menu.show {
        display: flex;
    }