/* =============================================
   MANOLIS ELECTRIC — Professional Electrician
   Kavala, Greece
   ============================================= */

/* ---------- CSS Reset & Variables ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #1a3a5c;
  --color-primary-light: #245179;
  --color-secondary: #2980b9;
  --color-accent: #f39c12;
  --color-accent-hover: #e67e22;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6f8;
  --color-bg-dark: #1a2332;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-white: #ffffff;
  --color-border: #e0e0e0;
  --color-success: #27ae60;
  --color-error: #e74c3c;
  --color-whatsapp: #25d366;
  --font-primary: 'Inter', 'Noto Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.3s ease;
  --nav-height: 72px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  line-height: 1.7;
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: var(--transition);
}

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

ul {
  list-style: none;
}

.hidden {
  display: none !important;
}

/* ---------- Container ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

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

.btn-accent:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-white);
  border-color: var(--color-text-white);
}

.btn-outline:hover {
  background: var(--color-text-white);
  color: var(--color-primary);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.btn-whatsapp {
  background: var(--color-whatsapp);
  color: var(--color-text-white);
  border-color: var(--color-whatsapp);
}

.btn-whatsapp:hover {
  background: #1fb855;
  border-color: #1fb855;
  color: var(--color-text-white);
  transform: translateY(-2px);
}

/* ---------- Section Titles ---------- */
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  font-size: 1.1rem;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   NAVBAR
   ============================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-bg);
  z-index: 1000;
  transition: var(--transition);
}

#navbar.scrolled {
  box-shadow: var(--shadow-nav);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.nav-logo:hover {
  color: var(--color-primary);
}

.nav-logo i {
  color: var(--color-accent);
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 8px 16px;
  color: var(--color-text);
  font-weight: 500;
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-secondary);
  background: var(--color-bg-alt);
}

.nav-lang {
  display: flex;
  gap: 2px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 3px;
}

.lang-btn {
  padding: 6px 10px;
  border: none;
  background: transparent;
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-light);
  cursor: pointer;
  border-radius: 6px;
  transition: var(--transition);
}

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

.lang-btn.active {
  background: var(--color-text-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.nav-cta {
  padding: 10px 20px;
  font-size: 0.85rem;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border: none;
  background: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('https://plus.unsplash.com/premium_photo-1661911021547-b0188f22d548?w=1920&h=1080&fit=crop') center center / cover no-repeat;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13, 27, 42, 0.85) 0%, rgba(26, 58, 92, 0.75) 40%, rgba(41, 128, 185, 0.65) 100%);
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  padding: 120px 20px 80px;
  z-index: 1;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--color-text-white);
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

/* ============================================
   SERVICES
   ============================================ */
#services {
  padding: 100px 0;
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

.service-card:hover .service-img img {
  transform: scale(1.08);
}

.service-img-icon {
  position: absolute;
  bottom: -20px;
  right: 20px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  border-radius: 50%;
  color: var(--color-text-white);
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.service-body {
  padding: 28px 24px 24px;
  text-align: center;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================
   ABOUT
   ============================================ */
#about {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

.about-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.3);
  font-size: 5rem;
}

.about-text .section-title {
  text-align: left;
  margin-bottom: 24px;
}

.about-text p {
  margin-bottom: 16px;
  color: var(--color-text-light);
  font-size: 1.02rem;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* ============================================
   WHY US
   ============================================ */
#why-us {
  padding: 100px 0;
  background: var(--color-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 24px;
}

.feature-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  border-radius: 50%;
  color: var(--color-text-white);
  font-size: 1.6rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================
   FAQ
   ============================================ */
#faq {
  padding: 100px 0;
  background: var(--color-bg);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  border: none;
  background: none;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--color-secondary);
}

.faq-icon {
  font-size: 0.85rem;
  color: var(--color-accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

@media (max-width: 768px) {
  #faq {
    padding: 64px 0;
  }

  .faq-question {
    padding: 16px 20px;
    font-size: 0.95rem;
  }

  .faq-answer p {
    padding: 0 20px 16px;
    font-size: 0.9rem;
  }
}

/* ============================================
   CONTACT
   ============================================ */
#contact {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}

form {
  background: var(--color-bg);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: var(--transition);
  background: var(--color-bg);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-result {
  margin-top: 16px;
  padding: 14px 20px;
  border-radius: var(--radius);
  font-weight: 500;
  text-align: center;
}

.form-result.success {
  background: #eafaf1;
  color: var(--color-success);
  border: 1px solid #a3d9a5;
}

.form-result.error {
  background: #fdecea;
  color: var(--color-error);
  border: 1px solid #f5c6cb;
}

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

.info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.info-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  border-radius: 12px;
  color: var(--color-text-white);
  font-size: 1.1rem;
}

.info-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.info-card a {
  color: var(--color-secondary);
  font-weight: 500;
}

.info-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================
   FOOTER
   ============================================ */
#footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 0 24px;
}

.footer-container {
  text-align: center;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-white);
  margin-bottom: 8px;
}

.footer-logo i {
  color: var(--color-accent);
}

.footer-brand p {
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  gap: 32px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
}

.footer-bottom p {
  font-size: 0.8rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .about-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image {
    max-width: 400px;
    margin: 0 auto;
  }

  .about-text .section-title {
    text-align: center;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-links {
    flex-direction: column;
    gap: 8px;
  }

  .nav-links a {
    font-size: 1.2rem;
    padding: 12px 24px;
  }

  .nav-cta {
    font-size: 1rem;
    padding: 14px 32px;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .section-subtitle {
    font-size: 1rem;
    margin-bottom: 36px;
  }

  #services,
  #about,
  #why-us,
  #contact {
    padding: 64px 0;
  }

  .hero-content {
    padding: 100px 20px 60px;
  }

  .about-stats {
    flex-wrap: wrap;
    gap: 24px;
  }

  .stat {
    flex: 1;
    min-width: 80px;
    text-align: center;
  }

  form {
    padding: 24px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}

/* Small Mobile */
@media (max-width: 400px) {
  .container {
    padding: 0 16px;
  }

  .about-stats {
    flex-direction: column;
    align-items: center;
  }

  .footer-links {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }
}