/* =========================================================================
   Enhanced Carpet Services — main stylesheet
   Since 1994 · Land O Lakes, FL · (727) 460-7806
   ========================================================================= */

:root {
  --color-primary: #0f6ea6;
  --color-primary-dark: #0b4f79;
  --color-primary-light: #4fa8d8;
  --color-accent: #ef8f22;
  --color-accent-dark: #d6790f;
  --color-ink: #0d2340;
  --color-body: #4a5a72;
  --color-body-light: #7488a3;
  --color-bg: #f6f9fc;
  --color-surface: #ffffff;
  --color-border: #e4ebf3;
  --color-success: #1c8a53;
  --color-error: #c9382f;
  --shadow-soft: 0 10px 30px -12px rgba(13, 35, 64, 0.16);
  --shadow-lift: 0 24px 48px -18px rgba(13, 35, 64, 0.28);
  --shadow-card: 0 2px 10px rgba(13, 35, 64, 0.06), 0 12px 30px -14px rgba(13, 35, 64, 0.14);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --container: 1180px;
  --font-head: "Playfair Display", "Georgia", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --header-h: 84px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-body);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--color-ink); margin: 0 0 0.5em; line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section--tight { padding: 56px 0; }
.section--alt { background: var(--color-surface); }
.section--navy { background: linear-gradient(135deg, var(--color-ink), var(--color-primary-dark)); color: #cfe0f0; }
.section--navy h2, .section--navy h3 { color: #fff; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-accent-dark); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--color-accent); display: inline-block; }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head p { color: var(--color-body-light); font-size: 1.05rem; }
.text-center { text-align: center; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 30px; border-radius: 100px; font-weight: 600; font-size: 0.98rem;
  border: 2px solid transparent; transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--color-accent); color: #fff; box-shadow: 0 12px 24px -8px rgba(239, 143, 34, 0.55); }
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); box-shadow: 0 16px 30px -8px rgba(239, 143, 34, 0.6); }
.btn-outline { border-color: rgba(255,255,255,0.55); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.btn-navy { background: var(--color-primary); color: #fff; box-shadow: 0 12px 24px -8px rgba(15,110,166,0.5); }
.btn-navy:hover { background: var(--color-primary-dark); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 0.88rem; }
.btn-block { width: 100%; }

/* =========================== HEADER =========================== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
.site-header.is-scrolled { box-shadow: var(--shadow-soft); border-color: var(--color-border); }
.header-top {
  background: var(--color-ink); color: #b9cbe0; font-size: 0.82rem;
}
.header-top .container { display: flex; justify-content: space-between; align-items: center; padding-top: 8px; padding-bottom: 8px; flex-wrap: wrap; gap: 6px; }
.header-top a { color: #b9cbe0; }
.header-top a:hover { color: #fff; }
.header-top__contact { display: flex; gap: 20px; flex-wrap: wrap; }
.header-top__contact span, .header-top__contact a { display: inline-flex; align-items: center; gap: 6px; }

.navbar { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 52px; width: auto; }
.brand-text { font-family: var(--font-head); line-height: 1.05; }
.brand-text strong { display: block; font-size: 1.28rem; color: var(--color-primary); }
.brand-text span { display: block; font-size: 1.28rem; color: var(--color-accent); font-style: italic; }

.nav-desktop { display: flex; align-items: center; gap: 6px; }
.nav-desktop > ul { display: flex; align-items: center; gap: 2px; list-style: none; }
.nav-desktop > ul > li { position: relative; }
.nav-desktop > ul > li > a {
  display: flex; align-items: center; gap: 5px; padding: 12px 16px; font-weight: 600; font-size: 0.95rem;
  color: var(--color-ink); border-radius: var(--radius-sm); transition: color 0.2s, background 0.2s;
}
.nav-desktop > ul > li > a:hover, .nav-desktop > ul > li.is-active > a { color: var(--color-primary); background: #eef5fb; }
.nav-desktop .caret { width: 9px; height: 9px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); margin-top: -3px; opacity: 0.6; }

.dropdown { position: absolute; top: 100%; left: 0; min-width: 280px; background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-lift); padding: 10px; list-style: none; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all 0.22s ease; z-index: 50; }
.nav-desktop > ul > li:hover .dropdown, .nav-desktop > ul > li:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown li a { display: block; padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.92rem; color: var(--color-body); font-weight: 500; }
.dropdown li a:hover { background: var(--color-bg); color: var(--color-primary); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.call-now { display: inline-flex; align-items: center; gap: 10px; background: var(--color-bg); border: 1px solid var(--color-border); padding: 9px 18px; border-radius: 100px; font-weight: 700; color: var(--color-primary-dark); }
.call-now svg { flex-shrink: 0; }

.hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 46px; height: 46px; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: #fff;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--color-ink); margin: 0 auto; transition: transform 0.25s, opacity 0.25s; }

/* =========================== MOBILE SLIDEOUT NAV =========================== */
.mobile-backdrop {
  position: fixed; inset: 0; background: rgba(13, 35, 64, 0.55);
  opacity: 0; visibility: hidden; transition: opacity 0.35s ease;
  z-index: 1100;
}
.mobile-backdrop.is-open { opacity: 1; visibility: visible; }

.mobile-nav {
  position: fixed; top: 0; right: 0; height: 100%; width: min(88vw, 380px);
  background: linear-gradient(180deg, #ffffff, #f6f9fc);
  box-shadow: -18px 0 50px rgba(13,35,64,0.25);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 1200;
  display: flex; flex-direction: column;
  overflow-y: auto;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav__head { display: flex; align-items: center; justify-content: space-between; padding: 20px; border-bottom: 1px solid var(--color-border); }
.mobile-nav__head img { height: 40px; }
.mobile-nav__close { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--color-border); background: #fff; font-size: 1.3rem; line-height: 1; color: var(--color-ink); }
.mobile-nav__body { padding: 10px 12px; flex: 1; }
.mobile-nav ul { list-style: none; }
.mobile-nav > .mobile-nav__body > ul > li { border-bottom: 1px solid var(--color-border); }
.mobile-nav a { display: flex; align-items: center; justify-content: space-between; padding: 15px 12px; font-weight: 600; color: var(--color-ink); font-size: 1.02rem; }
.mobile-submenu { display: none; padding-left: 14px; }
.mobile-submenu a { font-size: 0.92rem; font-weight: 500; color: var(--color-body); padding: 11px 12px; }
.mobile-nav li.is-expanded > .mobile-submenu { display: block; }
.mobile-nav li.is-expanded > a .caret-mobile { transform: rotate(225deg); }
.caret-mobile { width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); transition: transform 0.25s; }
.mobile-nav__foot { padding: 20px; border-top: 1px solid var(--color-border); }
body.nav-locked { overflow: hidden; }

/* =========================== HERO =========================== */
.hero { position: relative; color: #fff; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, rgba(9,26,49,0.92) 10%, rgba(9,26,49,0.72) 45%, rgba(15,110,166,0.55)); }
.hero__content { position: relative; z-index: 2; padding: 130px 0 110px; max-width: 680px; }
.hero__content h1 { color: #fff; }
.hero__content .lede { font-size: 1.15rem; color: #dbe8f4; max-width: 560px; }
.hero__cta { display: flex; gap: 16px; margin-top: 30px; flex-wrap: wrap; }
.hero__badges { display: flex; gap: 26px; margin-top: 46px; flex-wrap: wrap; }
.hero__badges div { display: flex; align-items: center; gap: 10px; font-weight: 600; color: #eaf1f9; font-size: 0.92rem; }
.hero__badges strong { display: block; font-family: var(--font-head); font-size: 1.5rem; color: #fff; }

.page-hero { position: relative; color: #fff; padding: 80px 0 64px; overflow: hidden; }
.page-hero__bg { position: absolute; inset: 0; z-index: 0; }
.page-hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(9,26,49,0.93), rgba(15,110,166,0.72)); }
.page-hero__content { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; margin-bottom: 10px; }
.breadcrumb { list-style: none; display: flex; gap: 8px; align-items: center; font-size: 0.86rem; color: #cfe0f0; flex-wrap: wrap; }
.breadcrumb a { color: #cfe0f0; }
.breadcrumb a:hover { color: #fff; text-decoration: underline; }
.breadcrumb span[aria-hidden] { opacity: 0.6; }

/* =========================== CARDS / GRIDS =========================== */
.grid { display: grid; gap: 28px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-surface); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-card); transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex; flex-direction: column; height: 100%;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.card__media { aspect-ratio: 4/3; overflow: hidden; background: #eef3f8; }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card:hover .card__media img { transform: scale(1.06); }
.card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.card__body h3 { margin-bottom: 10px; }
.card__body p { color: var(--color-body); font-size: 0.95rem; flex: 1; }
.card__link { margin-top: 14px; font-weight: 700; color: var(--color-primary); display: inline-flex; align-items: center; gap: 6px; }
.card__link:hover { color: var(--color-accent-dark); }

.icon-badge { width: 54px; height: 54px; border-radius: 16px; background: #eaf3fa; display: flex; align-items: center; justify-content: center; color: var(--color-primary); margin-bottom: 16px; }

/* =========================== ABOUT SPLIT =========================== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split-media { position: relative; }
.split-media__stack img { border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.split-media__stack { position: relative; }
.split-media__stack img:first-child { width: 78%; }
.split-media__stack img:last-child { position: absolute; bottom: -34px; right: -10px; width: 56%; border: 6px solid #fff; }
.stat-chip { position: absolute; top: -28px; left: -20px; background: var(--color-accent); color: #fff; padding: 18px 22px; border-radius: var(--radius-md); box-shadow: var(--shadow-lift); text-align: center; z-index: 3; }
.stat-chip strong { display: block; font-family: var(--font-head); font-size: 1.8rem; }
.stat-chip span { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; }

.checklist { list-style: none; margin: 22px 0; display: grid; gap: 12px; }
.checklist li { display: flex; align-items: flex-start; gap: 10px; font-weight: 500; color: var(--color-ink); }
.checklist li svg { flex-shrink: 0; color: var(--color-accent); margin-top: 3px; }

/* =========================== STATS BAND =========================== */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats-band div strong { display: block; font-family: var(--font-head); font-size: 2.4rem; color: #fff; }
.stats-band div span { font-size: 0.85rem; color: #b9cbe0; text-transform: uppercase; letter-spacing: 0.04em; }

/* =========================== TESTIMONIALS =========================== */
.stars { color: var(--color-accent); font-size: 0.95rem; letter-spacing: 2px; }
.testimonial-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.testimonial { background: #fff; border: 1px solid var(--color-border); border-radius: 16px; padding: 22px; box-shadow: 0 1px 3px rgba(13,35,64,0.05); height: 100%; display: flex; flex-direction: column; gap: 10px; transition: box-shadow 0.25s ease, transform 0.25s ease; }
.testimonial:hover { box-shadow: var(--shadow-card); transform: translateY(-3px); }
.testimonial p { color: var(--color-body); font-size: 0.9rem; line-height: 1.55; flex: 1; font-style: normal; margin: 0; }
.testimonial__name { font-weight: 700; color: var(--color-ink); font-size: 0.92rem; }
.testimonial__location { font-size: 0.8rem; color: var(--color-body-light); margin-top: 1px; }
.testimonial__verified { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; font-weight: 600; color: var(--color-success); margin-top: 4px; }
.testimonial__verified::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--color-success); flex-shrink: 0; }
@media (max-width: 1024px) { .testimonial-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 860px) { .testimonial-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .testimonial-grid { grid-template-columns: 1fr; } }

/* Infinite scrolling testimonial marquee */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.marquee + .marquee { margin-top: 20px; }
.marquee__track { display: flex; gap: 18px; width: max-content; animation: marquee-scroll linear infinite; will-change: transform; }
.marquee .testimonial { flex: 0 0 320px; width: 320px; }
.marquee__track--reverse { animation-name: marquee-scroll-reverse; }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@keyframes marquee-scroll-reverse {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
}
@media (max-width: 640px) {
  .marquee .testimonial { flex: 0 0 260px; width: 260px; }
}

/* =========================== FAQ =========================== */
.faq-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: 14px; overflow: hidden; }
.faq-item summary { cursor: pointer; list-style: none; padding: 20px 24px; font-weight: 700; color: var(--color-ink); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.5rem; color: var(--color-accent); flex-shrink: 0; transition: transform 0.25s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 24px 22px; color: var(--color-body); }

/* =========================== CONTACT =========================== */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 36px; align-items: stretch; }
.contact-info { background: linear-gradient(160deg, var(--color-ink), var(--color-primary-dark)); color: #dbe8f4; border-radius: var(--radius-lg); padding: 40px; }
.contact-info h3 { color: #fff; }
.contact-info__item { display: flex; gap: 14px; margin-bottom: 22px; align-items: flex-start; }
.contact-info__item svg { flex-shrink: 0; color: var(--color-accent); margin-top: 3px; }
.contact-info__item a, .contact-info__item address { color: #dbe8f4; font-style: normal; }
.contact-form-card { background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: 0.88rem; color: var(--color-ink); margin-bottom: 7px; }
.field input, .field textarea { width: 100%; padding: 13px 16px; border: 1.5px solid var(--color-border); border-radius: var(--radius-sm); font-family: inherit; font-size: 0.96rem; background: #fbfdff; transition: border-color 0.2s, box-shadow 0.2s; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(15,110,166,0.12); }
.field textarea { resize: vertical; min-height: 130px; }
.hp-field { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-note { font-size: 0.82rem; color: var(--color-body-light); margin-top: 10px; }
.form-alert { padding: 14px 18px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.92rem; margin-bottom: 18px; display: none; }
.form-alert.is-success { display: block; background: #e5f6ec; color: var(--color-success); }
.form-alert.is-error { display: block; background: #fbeaea; color: var(--color-error); }

/* Slide-to-verify puzzle captcha */
.slide-captcha__track {
  position: relative; height: 54px; border-radius: 100px;
  background: #eef3f8; border: 1.5px solid var(--color-border);
  overflow: hidden; user-select: none; touch-action: none;
}
.slide-captcha__fill {
  position: absolute; top: 0; left: 0; height: 100%; width: 52px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  transition: width 0.05s linear;
}
.slide-captcha__label {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  gap: 6px; font-weight: 600; font-size: 0.92rem; color: var(--color-body);
  pointer-events: none; letter-spacing: 0.01em; transition: color 0.2s;
}
.slide-captcha__handle {
  position: absolute; top: 3px; left: 3px; width: 48px; height: 48px; border-radius: 50%;
  background: #fff; border: 1.5px solid var(--color-border); box-shadow: 0 4px 12px rgba(13,35,64,0.2);
  display: flex; align-items: center; justify-content: center; cursor: grab; color: var(--color-primary);
  transition: box-shadow 0.2s, background 0.25s, color 0.25s, border-color 0.25s; touch-action: none;
}
.slide-captcha__handle:active { cursor: grabbing; box-shadow: 0 6px 18px rgba(13,35,64,0.32); }
.slide-captcha__handle:focus-visible { outline: 3px solid var(--color-primary-light); outline-offset: 2px; }
.slide-captcha.is-verified .slide-captcha__track { background: #e5f6ec; border-color: #bfe6cd; }
.slide-captcha.is-verified .slide-captcha__fill { background: linear-gradient(90deg, #1c8a53, #28b16a); }
.slide-captcha.is-verified .slide-captcha__label { color: var(--color-success); }
.slide-captcha.is-verified .slide-captcha__handle { color: #fff; background: var(--color-success); border-color: #1c8a53; cursor: default; }
.slide-captcha.is-shake .slide-captcha__track { animation: captchaShake 0.4s; }
.slide-captcha.is-shake .slide-captcha__track { border-color: var(--color-error); }
@keyframes captchaShake {
  10%, 90% { transform: translateX(-2px); }
  20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-5px); }
  40%, 60% { transform: translateX(5px); }
}

/* =========================== CTA STRIP =========================== */
.cta-strip { background: linear-gradient(120deg, var(--color-accent), var(--color-accent-dark)); border-radius: var(--radius-lg); padding: 50px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; color: #fff; }
.cta-strip h2 { color: #fff; margin-bottom: 6px; }
.cta-strip p { color: rgba(255,255,255,0.9); margin: 0; }

/* =========================== FOOTER =========================== */
.site-footer { background: var(--color-ink); color: #b9cbe0; padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand img { height: 46px; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; color: #9db3cc; }
.site-footer h4 { color: #fff; font-family: var(--font-body); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 18px; }
.footer-links { list-style: none; display: grid; gap: 11px; }
.footer-links a { font-size: 0.92rem; color: #b9cbe0; transition: color 0.2s; }
.footer-links a:hover { color: var(--color-accent); }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; }
.footer-bottom { padding: 22px 0; display: flex; justify-content: space-between; font-size: 0.82rem; color: #7f97b3; flex-wrap: wrap; gap: 8px; }

.back-to-top { position: fixed; bottom: 26px; right: 26px; width: 50px; height: 50px; border-radius: 50%; background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lift); border: none; opacity: 0; visibility: hidden; transform: translateY(10px); transition: all 0.3s ease; z-index: 900; }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

.mobile-cta-bar { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 800; background: #fff; box-shadow: 0 -10px 30px rgba(13,35,64,0.14); padding: 10px 16px; gap: 10px; }
.mobile-cta-bar a { flex: 1; text-align: center; }

.service-detail__body { display: grid; grid-template-columns: 1fr; gap: 20px; }
.certs-card { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 26px; margin-top: 30px; }
.certs-card ul { list-style: none; display: grid; gap: 10px; margin-top: 14px; }
.certs-card li { display: flex; gap: 10px; align-items: flex-start; font-weight: 600; color: var(--color-ink); font-size: 0.94rem; }
.certs-card li svg { color: var(--color-accent); margin-top: 3px; flex-shrink: 0; }

.sidebar-card { background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 26px; }
.sidebar-card h4 { margin-bottom: 14px; }
.sidebar-list { list-style: none; display: grid; gap: 8px; }
.sidebar-list a { display: flex; justify-content: space-between; padding: 11px 14px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.9rem; color: var(--color-body); }
.sidebar-list a:hover, .sidebar-list a.is-current { background: var(--color-bg); color: var(--color-primary); }
.sidebar-call { background: linear-gradient(150deg, var(--color-primary), var(--color-primary-dark)); color: #fff; border-radius: var(--radius-lg); padding: 26px; text-align: center; margin-top: 22px; }
.sidebar-call a { display: inline-block; margin-top: 12px; font-family: var(--font-head); font-size: 1.5rem; color: #fff; }

/* =========================== RESPONSIVE =========================== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .nav-desktop { display: none; }
  .hamburger { display: flex; }
  .header-top__contact span:last-child { display: none; }
  .hero__content { padding: 90px 0 90px; }
  .mobile-cta-bar { display: flex; }
  body { padding-bottom: 66px; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .cta-strip { flex-direction: column; text-align: center; padding: 34px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .stats-band { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .brand img { height: 42px; }
  .brand-text strong, .brand-text span { font-size: 1.05rem; }
  .split-media__stack img:last-child { width: 62%; }
}