/* ============================================================
   Aquafix Homepage — stylesheet
   Palette extracted from the original Aquafix design.
   ============================================================ */

:root {
  --navy: #032B71;
  /* primary deep navy */
  --navy-2: #03439E;
  /* secondary blue    */
  --cyan: #179ADE;
  /* accent / CTA      */
  --cyan-dark: #1387c4;
  --ink: #101828;
  /* headings          */
  --slate: #3A4459;
  /* body text         */
  --slate-2: #5C6478;
  /* muted text        */
  --line: #E3E8F0;
  /* borders           */
  --line-2: #D8DEE9;
  --bg: #F6F8FB;
  /* page background    */
  --bg-tint: #EDF2FA;
  /* tinted sections    */
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(3, 43, 113, .08);
  --shadow-sm: 0 4px 14px rgba(3, 43, 113, .06);
  --container: 1200px;
  --header-h: 84px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: 'IBM Plex Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--slate);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1,
h2,
h3,
h4 {
  color: var(--ink);
  line-height: 1.15;
  font-weight: 700;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

/* -------- buttons -------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  padding: 15px 26px;
  border-radius: 8px;
  border: 2px solid transparent;
  transition: transform .15s ease, background .15s ease, color .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-navy {
  background: var(--navy);
  color: #fff;
}

.btn-navy:hover {
  background: #052253;
  box-shadow: 0 8px 20px rgba(3, 43, 113, .25);
}

.btn-cyan {
  background: var(--cyan);
  color: #fff;
}

.btn-cyan:hover {
  background: var(--cyan-dark);
  box-shadow: 0 8px 20px rgba(23, 154, 222, .3);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--line-2);
}

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

.btn-full {
  width: 100%;
}

/* -------- accent bar -------- */
.accent-bar {
  display: block;
  width: 64px;
  height: 4px;
  border-radius: 4px;
  background: var(--cyan);
  margin: 22px 0;
}

.accent-bar.center {
  margin: 16px auto 0;
}

.accent-bar.cyan {
  background: var(--cyan);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(1.1) blur(6px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: var(--header-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  flex: none;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-word {
  font-weight: 700;
  font-size: 26px;
  letter-spacing: .5px;
}

.lw-aqua {
  color: var(--navy);
}

.lw-aqua-w {
  color: #fff;
}

.lw-fix {
  color: var(--cyan);
  font-style: italic;
}

.logo-tag {
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--slate-2);
  margin-top: 3px;
  font-weight: 600;
}

.main-nav {
  display: flex;
  gap: 34px;
  margin-left: auto;
}

.main-nav a {
  font-weight: 600;
  font-size: 15.5px;
  color: var(--ink);
  position: relative;
  padding: 6px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width .2s ease;
}

.main-nav a:hover {
  color: var(--navy-2);
}

.main-nav a:hover::after {
  width: 100%;
}

.header-cta {
  padding: 12px 22px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 26px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: .25s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  background: #fff;
  overflow: hidden;
}

.hero-slides {
  position: relative;
}

.hero-slide {
  display: none;
}

.hero-slide.is-active {
  display: block;
  animation: fade .6s ease;
}

@keyframes fade {
  from {
    opacity: 0
  }

  to {
    opacity: 1
  }
}

.hero-slide {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-slide[data-img="bann1"]::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.6) 45%, transparent 75%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  min-height: 800px;
}

.hero-copy {
  padding: 56px 0;
  max-width: 620px;
}

.hero-copy h1 {
  font-size: clamp(34px, 4.4vw, 60px);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -.5px;
}

.hero-copy p {
  font-size: 17px;
  color: var(--slate);
  margin-bottom: 30px;
  max-width: 540px;
}



/* hero controls */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  cursor: pointer;
  background: rgba(3, 43, 113, .55);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s;
}

.hero-arrow:hover {
  background: var(--navy);
}

.hero-prev {
  left: 16px;
}

.hero-next {
  right: 16px;
}

.hero-dots {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}

.hero-dots button {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 0;
  background: rgba(3, 43, 113, .3);
  cursor: pointer;
  padding: 0;
  transition: .2s;
}

.hero-dots button.active {
  background: var(--cyan);
  width: 28px;
  border-radius: 6px;
}

/* ============================================================
   FEATURE BAR
   ============================================================ */
.feature-bar {
  background: var(--navy);
  color: #fff;
}

.feature-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: 22px 24px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
}

.feature svg {
  color: var(--cyan);
  flex: none;
}

.feature span {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

/* ============================================================
   GENERIC SECTION
   ============================================================ */
.section {
  padding: 84px 0;
}

.section-tint {
  background: var(--bg-tint);
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}

.section-head h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  color: var(--navy);
}

.section-sub {
  margin-top: 18px;
  color: var(--slate);
  font-size: 16.5px;
}

.grid {
  display: grid;
  gap: 26px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ---- supply cards ---- */
.supply-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
  display: flex;
  flex-direction: column;
}

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

.supply-img {
  height: 190px;
  background: var(--bg-tint);
  position: relative;
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--line);
}

.supply-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(3, 43, 113, .10), rgba(23, 154, 222, .10)),
    repeating-linear-gradient(125deg, #d7e0ee 0 16px, #c6d3e6 16px 22px);
  opacity: 1;
  z-index: 0;
}

.supply-img[style*="url"]::after {
  opacity: 0;
}

.supply-card h3 {
  font-size: 19px;
  color: var(--navy);
  padding: 22px 22px 8px;
}

.supply-card p {
  padding: 0 22px 24px;
  font-size: 15px;
  color: var(--slate);
}

/* ---- certifications ---- */
.cert-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.cert {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 22px 14px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
}

.cert img {
  max-height: 60px;
  width: auto;
}

/* ---- products ---- */
.cat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 28px;
}

.cat-tab {
  padding: 12px 24px;
  border-radius: 40px;
  border: 1.5px solid var(--line-2);
  background: #fff;
  color: var(--navy);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: .18s;
}

.cat-tab:hover {
  border-color: var(--navy);
}

.cat-tab.active {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

/* ---- products page layout ---- */
.products-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}

.products-sidebar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  position: sticky;
  top: 100px;
}

.filter-group {
  margin-bottom: 30px;
}
.filter-group:last-child {
  margin-bottom: 0;
}

.filter-group h4 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--navy);
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--slate);
  cursor: pointer;
}
.filter-checkbox:last-child {
  margin-bottom: 0;
}

.filter-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .products-layout {
    grid-template-columns: 1fr;
  }
  .products-sidebar {
    position: static;
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

.supply-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
}

.supply-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.supply-card h3 {
  color: var(--navy);
  font-size: 18px;
  margin-bottom: 10px;
}

.supply-card p {
  color: var(--slate);
  font-size: 15px;
}

.supply-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  background-color: var(--bg-tint);
}

.cat-desc {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 36px;
  color: var(--slate);
  font-size: 16px;
}

.prod-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
  display: flex;
  flex-direction: column;
}

.prod-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.prod-img {
  height: 150px;
  background: #fff;
  position: relative;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

.prod-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #dbe4f1, #c6d3e6);
  display: flex;
}

.prod-img[style*="url"]::after {
  content: none;
}

.prod-body {
  padding: 18px 18px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.prod-body h4 {
  font-size: 16.5px;
  color: var(--navy);
  margin-bottom: 6px;
}

.prod-body p {
  font-size: 14px;
  color: var(--slate);
  margin-bottom: 16px;
  flex: 1;
}

.center-btn {
  text-align: center;
  margin-top: 40px;
}

/* ---- why (navy section) ---- */
.section-navy {
  background: var(--navy);
}

.section-navy .section-head h2 {
  color: #fff;
}

.why-grid {
  margin-top: 10px;
}

.why-card {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius);
  padding: 30px 26px;
}

.why-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(23, 154, 222, .18);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.why-card h3 {
  color: #fff;
  font-size: 18px;
  margin-bottom: 10px;
}

.why-card p {
  color: #c6d3e6;
  font-size: 14.5px;
}

/* ---- about ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 44px;
  align-items: center;
  margin-bottom: 60px;
}

.about-media {
  min-height: 360px;
  border-radius: var(--radius);
  background: var(--bg-tint);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
  background-image: linear-gradient(135deg, rgba(3, 43, 113, .15), rgba(23, 154, 222, .15)), repeating-linear-gradient(120deg, #d7e0ee 0 18px, #c6d3e6 18px 26px);
}

.about-copy h3 {
  color: var(--navy);
  font-size: 22px;
  margin: 0 0 12px;
}

.about-copy h3:not(:first-child) {
  margin-top: 28px;
}

.about-copy p {
  font-size: 15.5px;
  color: var(--slate);
}

.mv-grid {
  margin-bottom: 56px;
}

.mv-card {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 5px solid var(--cyan);
  border-radius: var(--radius);
  padding: 32px 30px;
  box-shadow: var(--shadow-sm);
}

.mv-card h3 {
  color: var(--navy);
  font-size: 21px;
  margin-bottom: 12px;
}

.mv-card p {
  font-size: 15.5px;
}

.values-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.value {
  padding: 24px 18px;
  border-top: 3px solid var(--line-2);
}

.value-icon {
  color: var(--cyan);
  margin-bottom: 12px;
  display: inline-flex;
}

.value h4 {
  color: var(--navy);
  font-size: 16px;
  margin: 8px 0 8px;
}

.value p {
  font-size: 13.5px;
  color: var(--slate);
}

/* ---- contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 44px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.info-block {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.info-icon {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.info-block h3 {
  font-size: 17px;
  color: var(--navy);
  margin-bottom: 4px;
}

.info-block p {
  font-size: 15px;
  color: var(--slate);
}

.info-block a:hover {
  color: var(--cyan);
}

.contact-form-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
}

.contact-form-wrap h3 {
  font-size: 21px;
  color: var(--navy);
  margin-bottom: 22px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  padding: 14px 16px;
  border: 1.5px solid var(--line-2);
  border-radius: 9px;
  background: var(--bg);
  transition: border-color .15s, box-shadow .15s;
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 0;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(23, 154, 222, .15);
  background: #fff;
}

.contact-form .btn {
  align-self: flex-start;
}

.form-success {
  background: #EAF6EE;
  color: #1E6B37;
  border: 1px solid #BFE6CB;
  border-radius: 9px;
  padding: 12px 16px;
  font-size: 14.5px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #fff;
  color: var(--slate);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  padding: 52px 24px;
  flex-wrap: wrap;
}

.footer-tag {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--slate-2);
}

.footer-addr {
  margin-top: 14px;
  font-size: 14.5px;
  color: var(--slate);
}

.footer-nav {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-weight: 600;
  color: var(--navy);
  font-size: 15px;
}

.footer-nav a:hover {
  color: var(--cyan);
}

.footer-bottom {
  border-top: 1px solid var(--line);
}

.footer-bottom-inner {
  padding-block: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 13.5px;
  color: var(--slate-2);
}

.footer-bottom p a {
  color: var(--cyan);
  text-decoration: none;
  font-weight: 500;
}

.footer-bottom p a:hover {
  text-decoration: underline;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  padding: 84px 0;
  position: relative;
  background-color: var(--navy);
  background-image: linear-gradient(to right, rgba(3, 43, 113, 0.95) 0%, rgba(3, 43, 113, 0.7) 100%), url('../images/bann2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.cta-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-text {
  color: #fff;
  font-size: 20px;
  line-height: 1.5;
  margin: 0;
  max-width: 800px;
}

.cta-btn {
  flex: none;
  font-size: 16px;
  padding: 16px 32px;
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(16, 24, 40, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay[hidden] {
  display: none !important;
}

.modal-content {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 480px;
  position: relative;
  box-shadow: var(--shadow);
  animation: modalIn .3s ease;
}

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

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  font-size: 28px;
  line-height: 1;
  color: var(--slate-2);
  cursor: pointer;
}

.modal-close:hover {
  color: var(--navy);
}

.modal-content h3 {
  font-size: 22px;
  color: var(--navy);
  margin-bottom: 8px;
}

.modal-desc {
  font-size: 15px;
  color: var(--slate);
  margin-bottom: 24px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1000px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .values-row {
    grid-template-columns: repeat(3, 1fr);
  }

  .cert-row {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .about-media {
    min-height: 260px;
  }

  .hero-grid {
    min-height: auto;
    padding: 60px 0;
  }

  .hero-copy {
    padding: 0;
  }
}

@media (max-width:760px) {
  :root {
    --header-h: 72px;
  }

  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 8px 0;
    transform: translateY(-140%);
    transition: transform .28s ease;
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    transform: translateY(0);
  }

  .main-nav a {
    padding: 16px 24px;
    font-size: 17px;
    border-bottom: 1px solid var(--line);
  }

  .main-nav a::after {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .cta-container {
    flex-direction: column;
    text-align: center;
    gap: 28px;
  }

  .cta-text {
    font-size: 18px;
  }

  .feature-row {
    justify-content: flex-start;
    gap: 16px 30px;
  }

  .section {
    padding: 60px 0;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width:520px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .values-row {
    grid-template-columns: 1fr;
  }

  .cert-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ============ FLOATING WIDGETS ============ */
.floating-widgets {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1000;
}

.float-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  color: #fff;
  background-color: var(--navy);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  cursor: pointer;
  transition: transform 0.2s, background-color 0.2s, opacity 0.3s, visibility 0.3s;
  border: none;
}

.float-btn:hover {
  transform: translateY(-3px);
}

.float-whatsapp {
  background-color: #25D366; /* WhatsApp Green */
}

.float-whatsapp:hover {
  background-color: #20BA56;
}

.float-top {
  background-color: var(--cyan);
  opacity: 0;
  visibility: hidden;
}

.float-top.show {
  opacity: 1;
  visibility: visible;
}

.float-top:hover {
  background-color: #1588c5;
}

@media (max-width: 768px) {
  .floating-widgets {
    bottom: 16px;
    right: 16px;
  }
  .float-btn {
    width: 48px;
    height: 48px;
  }
}