/*
Theme Name: Serenade Engineering
Theme URI: https://serenadeengineering.com
Author: Serenade Engineering
Author URI: https://serenadeengineering.com
Description: Custom multi-page WordPress theme for Serenade Engineering – smart electrical & surveillance solutions.
Version: 1.4.0
License: GNU General Public License v2 or later
Text Domain: serenade
*/

/* ── CSS Variables ── */
:root {
  --primary: #003366;
  --primary-light: #004080;
  --secondary: #00509E;
  --accent: #15AAE6;
  --accent-dark: #1290C3;
  --foreground: #ffffff;
  --foreground-muted: rgba(255,255,255,0.6);
  --text-dark: #1a1a2e;
  --text-muted: #64748b;
  --bg-light: #f8fafc;
  --bg-card: #ffffff;
  --border-light: #e2e8f0;
  --radius: 0.75rem;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Figtree', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,h2,h3,h4,h5,h6 { font-family: 'Poppins', sans-serif; font-weight: 700; line-height: 1.2; }

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

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

/* ── Utility ── */
.bg-gradient-accent { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); }
.text-accent { color: var(--accent); }

/* ── Scroll-Triggered Animations ── */
.scroll-animate {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.scroll-animate.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.scroll-animate[data-delay="1"] { transition-delay: 0.1s; }
.scroll-animate[data-delay="2"] { transition-delay: 0.2s; }
.scroll-animate[data-delay="3"] { transition-delay: 0.3s; }
.scroll-animate[data-delay="4"] { transition-delay: 0.4s; }
.scroll-animate[data-delay="5"] { transition-delay: 0.5s; }

.scroll-animate.from-left {
  transform: translateX(-60px);
}
.scroll-animate.from-left.animate-in {
  transform: translateX(0);
}

.scroll-animate.from-right {
  transform: translateX(60px);
}
.scroll-animate.from-right.animate-in {
  transform: translateX(0);
}

.scroll-animate.scale-in {
  transform: scale(0.85);
}
.scroll-animate.scale-in.animate-in {
  transform: scale(1);
}

/* ── Scroll-to-Top Button ── */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(21,170,230,0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.3s ease;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background: var(--accent-dark);
  transform: translateY(-3px);
}

.scroll-to-top svg {
  width: 22px;
  height: 22px;
}

/* ── Navbar ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(0,51,102,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,80,158,0.2);
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.navbar__brand { display: inline-flex; align-items: center; font-family: 'Poppins', sans-serif; font-size: 1.25rem; font-weight: 700; color: var(--foreground); letter-spacing: 0.05em; line-height: 1; }
.navbar__brand span { color: var(--accent); }
.navbar__logo { height: 40px; width: auto; max-width: 180px; display: block; object-fit: contain; }
.navbar__links { display: flex; align-items: center; gap: 2rem; }
.navbar__links a { color: var(--foreground-muted); font-size: 0.875rem; font-weight: 500; transition: color var(--transition); }
.navbar__links a:hover { color: var(--accent); }
.navbar__cta { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: #fff; padding: 0.5rem 1.25rem; border-radius: var(--radius); font-size: 0.875rem; font-weight: 600; transition: opacity var(--transition); }
.navbar__cta:hover { opacity: 0.9; }
.navbar__toggle { display: none; background: none; border: none; color: var(--foreground); cursor: pointer; }
.navbar__mobile { display: none; background: var(--primary); border-top: 1px solid rgba(0,80,158,0.2); padding: 0 1rem 1rem; }
.navbar__mobile a { display: block; padding: 0.75rem 0; color: var(--foreground-muted); font-size: 0.875rem; font-weight: 500; }
.navbar__mobile a:hover { color: var(--accent); }
.navbar__mobile .navbar__cta { display: block; text-align: center; margin-top: 0.5rem; }

@media (max-width: 768px) {
  .navbar__links { display: none; }
  .navbar__toggle { display: block; }
  .navbar__mobile.active { display: block; }
}

/* ── Hero ── */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,51,102,0.92), rgba(0,80,158,0.7)); }
.hero__content { position: relative; z-index: 10; text-align: center; padding: 0 1rem; }
.hero__badge { display: inline-block; margin-bottom: 1.5rem; padding: 0.5rem 1rem; border-radius: 9999px; border: 1px solid rgba(21,170,230,0.4); color: var(--accent); font-size: 0.875rem; font-weight: 500; }
.hero h1 { font-size: clamp(2rem,5vw,4rem); color: var(--foreground); margin-bottom: 1.5rem; }
.hero__sub { max-width: 640px; margin: 0 auto 2.5rem; color: var(--foreground-muted); font-size: 1.125rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.hero__actions .btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: #fff; padding: 0.875rem 2rem; border-radius: var(--radius); font-weight: 600; transition: opacity var(--transition); }
.hero__actions .btn-primary:hover { opacity: 0.9; }
.hero__actions .btn-outline { border: 1px solid rgba(255,255,255,0.3); color: var(--foreground); padding: 0.875rem 2rem; border-radius: var(--radius); font-weight: 600; transition: background var(--transition); }
.hero__actions .btn-outline:hover { background: rgba(255,255,255,0.1); }

/* ── Stats ── */
.stats { background: var(--primary); padding: 4rem 0; }
.stats__grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 2rem; }
@media (min-width: 768px) { .stats__grid { grid-template-columns: repeat(4,1fr); } }
.stats__item { text-align: center; }
.stats__icon { margin: 0 auto 0.75rem; color: var(--accent); }
.stats__icon svg { width: 32px; height: 32px; margin: 0 auto; }
.stats__value { font-size: 1.875rem; font-weight: 700; color: var(--foreground); margin-bottom: 0.25rem; }
.stats__label { color: var(--foreground-muted); font-size: 0.875rem; }

/* ── Services ── */
.services { padding: 5rem 0; background: var(--bg-light); }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-badge { display: inline-block; padding: 0.375rem 1rem; border-radius: 9999px; background: rgba(21,170,230,0.12); color: var(--accent); font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.75rem; }
.section-title { font-size: clamp(1.5rem,3vw,2.25rem); color: var(--text-dark); margin-bottom: 0.75rem; }
.section-desc { max-width: 600px; margin: 0 auto; color: var(--text-muted); }
.services__grid { display: grid; gap: 1.5rem; }
@media (min-width: 768px) { .services__grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 1024px) { .services__grid { grid-template-columns: repeat(3,1fr); } }
.service-card { background: var(--bg-card); border: 1px solid var(--border-light); border-radius: var(--radius); padding: 2rem; transition: box-shadow var(--transition), transform var(--transition); }
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.service-card__icon { width: 48px; height: 48px; border-radius: 0.75rem; background: rgba(21,170,230,0.12); display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; color: var(--accent); }
.service-card__icon svg { width: 24px; height: 24px; }
.service-card h3 { font-size: 1.125rem; margin-bottom: 0.5rem; }
.service-card p { color: var(--text-muted); font-size: 0.875rem; }

/* ── About ── */
.about { padding: 5rem 0; }
.about__grid { display: grid; gap: 3rem; align-items: center; }
@media (min-width: 768px) { .about__grid { grid-template-columns: 1fr 1fr; } }
.about__text h2 { font-size: clamp(1.5rem,3vw,2.25rem); margin-bottom: 1rem; }
.about__text p { color: var(--text-muted); margin-bottom: 1.5rem; }
.about__values { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.value-card { padding: 1rem; border: 1px solid var(--border-light); border-radius: var(--radius); }
.value-card h4 { font-size: 0.875rem; margin-bottom: 0.25rem; }
.value-card p { font-size: 0.75rem; color: var(--text-muted); }

/* ── Testimonials Carousel ── */
.testimonials { padding: 5rem 0; background: var(--bg-light); overflow: hidden; }
.testimonials__carousel {
  position: relative;
  overflow: hidden;
  margin: 0 -1rem;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 80px, #000 calc(100% - 80px), transparent 100%);
          mask-image: linear-gradient(to right, transparent 0, #000 80px, #000 calc(100% - 80px), transparent 100%);
}
.testimonials__track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  padding: 1rem;
  animation: testimonials-scroll 40s linear infinite;
}
.testimonials__carousel:hover .testimonials__track { animation-play-state: paused; }
@keyframes testimonials-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.testimonial-card {
  flex: 0 0 320px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}
@media (min-width: 768px) { .testimonial-card { flex-basis: 380px; } }
.testimonial-card__stars { color: #facc15; margin-bottom: 1rem; font-size: 1.125rem; }
.testimonial-card p { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 1rem; font-style: italic; }
.testimonial-card__author { font-weight: 600; font-size: 0.875rem; }
.testimonial-card__role { font-size: 0.75rem; color: var(--text-muted); }
@media (prefers-reduced-motion: reduce) {
  .testimonials__track { animation: none; }
}

/* ── Contact ── */
.contact { padding: 5rem 0; }
.contact__grid { display: grid; gap: 3rem; }
@media (min-width: 768px) { .contact__grid { grid-template-columns: 1fr 1fr; } }
.contact__form { display: flex; flex-direction: column; gap: 1rem; }
.contact__form input,
.contact__form select,
.contact__form textarea {
  width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--border-light); border-radius: var(--radius);
  font-family: inherit; font-size: 0.875rem; transition: border-color var(--transition);
}
.contact__form input:focus,
.contact__form select:focus,
.contact__form textarea:focus { outline: none; border-color: var(--accent); }
.contact__form button { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: #fff; padding: 0.875rem; border: none; border-radius: var(--radius); font-weight: 600; cursor: pointer; transition: opacity var(--transition); }
.contact__form button:hover { opacity: 0.9; }
.contact__form button:disabled { opacity: 0.7; cursor: not-allowed; }
.form-feedback { font-size: 0.875rem; padding: 0; margin: 0; transition: all var(--transition); }
.form-feedback:empty { display: none; }
.form-feedback--success { color: #047857; background: #ecfdf5; border: 1px solid #a7f3d0; padding: 0.75rem 1rem; border-radius: var(--radius); }
.form-feedback--error { color: #b91c1c; background: #fef2f2; border: 1px solid #fecaca; padding: 0.75rem 1rem; border-radius: var(--radius); }
.contact__info h3 { font-size: 1.125rem; margin-bottom: 1rem; }
.contact__info p { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 1.5rem; }
.contact__detail { display: flex; gap: 0.75rem; margin-bottom: 1rem; align-items: flex-start; }
.contact__detail-icon { width: 40px; height: 40px; border-radius: 0.5rem; background: rgba(21,170,230,0.12); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--accent); }
.contact__detail-icon svg { width: 18px; height: 18px; }
.contact__detail-text h4 { font-size: 0.875rem; font-weight: 600; }
.contact__detail-text p { font-size: 0.8rem; color: var(--text-muted); }

/* ── Footer ── */
.footer { background: var(--primary); padding: 3rem 0 1.5rem; color: var(--foreground); }
.footer__grid { display: grid; gap: 2rem; margin-bottom: 2rem; }
@media (min-width: 768px) { .footer__grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer__brand { font-family: 'Poppins', sans-serif; font-size: 1.25rem; font-weight: 700; margin-bottom: 0.75rem; line-height: 1; }
.footer__brand span { color: var(--accent); }
.footer__logo { height: 44px; width: auto; max-width: 200px; display: block; object-fit: contain;  }
.footer__socials { display: flex; gap: 0.625rem; margin-top: 1rem; }
.footer__social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: var(--foreground-muted);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.footer__social:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}
.footer__social svg { width: 18px; height: 18px; }
.footer__desc { color: var(--foreground-muted); font-size: 0.875rem; }
.footer h4 { font-size: 0.875rem; font-weight: 600; margin-bottom: 1rem; }
.footer a { display: block; color: var(--foreground-muted); font-size: 0.875rem; padding: 0.25rem 0; transition: color var(--transition); }
.footer a:hover { color: var(--accent); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; text-align: center; color: var(--foreground-muted); font-size: 0.75rem; }

/* ── Active Nav State ── */
.navbar__links a.active { color: var(--accent); }

/* ── Page Hero (inner pages) ── */
.page-hero {
  position: relative;
  padding: 9rem 0 5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--foreground);
  text-align: center;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(21,170,230,0.18), transparent 50%),
              radial-gradient(circle at 80% 50%, rgba(0,80,158,0.4), transparent 50%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  margin: 1rem auto;
  max-width: 800px;
}
.page-hero p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--foreground-muted);
  font-size: 1.0625rem;
}
.page-hero .section-badge { background: rgba(21,170,230,0.2); }

/* ── CTA Banner ── */
.cta-banner { padding: 5rem 0; background: var(--bg-light); }
.cta-banner__inner {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: calc(var(--radius) * 1.5);
  padding: 3.5rem 2rem;
  text-align: center;
  color: var(--foreground);
  box-shadow: var(--shadow-lg);
}
.cta-banner__inner h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 0.75rem;
}
.cta-banner__inner p {
  color: var(--foreground-muted);
  margin-bottom: 1.75rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-banner__inner .btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: opacity var(--transition), transform var(--transition);
}
.cta-banner__inner .btn-primary:hover { opacity: 0.92; transform: translateY(-2px); }

/* ── Section CTA ── */
.section-cta { text-align: center; margin-top: 3rem; }
.section-cta .btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: opacity var(--transition);
}
.section-cta .btn-primary:hover { opacity: 0.9; }

/* ── Generic Page Content ── */
.page-content { padding: 4rem 0; }
.page-article { max-width: 800px; margin: 0 auto; }
.page-article p { margin-bottom: 1rem; color: var(--text-muted); }
.page-article h2, .page-article h3 { margin: 1.5rem 0 0.75rem; }

/* ── Respect reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .scroll-animate { opacity: 1 !important; transform: none !important; }
}

/* ── Editable Page Content block (admin-edited rich text) ── */
.page-content { padding: 4rem 0; background: var(--bg-light); }
.page-content .entry-content { max-width: 820px; margin: 0 auto; color: var(--text-dark); font-size: 1.05rem; line-height: 1.75; }
.page-content .entry-content h2 { color: var(--primary); margin: 2rem 0 1rem; font-family: 'Poppins', sans-serif; }
.page-content .entry-content h3 { color: var(--primary-light); margin: 1.5rem 0 .75rem; }
.page-content .entry-content a { color: var(--accent); text-decoration: underline; }
.page-content .entry-content img { max-width: 100%; height: auto; border-radius: var(--radius); margin: 1.5rem 0; }
.page-content .entry-content ul, .page-content .entry-content ol { padding-left: 1.5rem; margin: 1rem 0; }
.page-content .entry-content blockquote { border-left: 4px solid var(--accent); padding: .5rem 1.25rem; margin: 1.5rem 0; color: var(--text-muted); font-style: italic; }

/* ============ Service cards: clickable + image ============ */
.service-card--link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.service-card--link:hover,
.service-card--link:focus-visible {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px -18px rgba(0, 51, 102, .35);
}
.service-card--link:focus-visible {
  outline: 3px solid var(--cyan, #15AAE6);
  outline-offset: 4px;
}
.service-card__image {
  height: 180px;
  background-size: cover;
  background-position: center;
  margin: -28px -28px 20px;
  border-radius: 12px 12px 0 0;
}
.service-card__cta {
  margin-top: auto;
  padding-top: 14px;
  font-weight: 600;
  color: var(--cyan, #15AAE6);
}
.service-card__hint { font-size: 12px; opacity: .55; margin-top: 10px; }

/* ============ Single service page ============ */
.service-content__inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: start;
}
.service-content__meta {
  position: sticky;
  top: 100px;
  padding: 28px;
  background: var(--light, #F5F7FA);
  border-radius: 14px;
}
.service-content__icon svg {
  width: 56px; height: 56px; color: var(--cyan, #15AAE6);
  margin-bottom: 14px;
}
.service-content__cats {
  font-size: 14px; margin: 12px 0 18px; color: #444;
}
.service-content__cats a { color: var(--blue, #00509E); margin-right: 6px; }
.services--related { background: var(--light, #F5F7FA); }
@media (max-width: 820px) {
  .service-content__inner { grid-template-columns: 1fr; }
  .service-content__meta  { position: static; }
}