/* ==========================================================================
   Raghavendra Physio Care — Stylesheet
   1. Reset
   2. Variables
   3. Typography
   4. Global / components
   5. Header
   6. Hero
   7. Floating review cards
   8. Services
   9. Benefits
   10. Why Choose Us
   11. Social proof strip
   12. Testimonials
   13. FAQ
   14. Final CTA
   15. Contact
   16. Footer
   17. Floating WhatsApp button
   18. Reveal animations
   19. Responsive
   20. Accessibility & motion preferences
   ========================================================================== */

/* ---------------------------------------------------------------- 1. Reset */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body,
h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl, dd { margin: 0; }

ul[class], ol[class] { list-style: none; padding: 0; }

img, svg, video, picture { display: block; max-width: 100%; }

img { height: auto; }

button, input, select, textarea { font: inherit; color: inherit; }

a { color: var(--cyan-800); }

/* ----------------------------------------------------------- 2. Variables */
:root {
  /* Brand palette */
  --cyan-100: #EAF7FB;
  --cyan-200: #D2EEF6;
  --cyan-300: #7FCEE7;
  --cyan-500: #50B4CC;
  --cyan-600: #2E93AE;
  --cyan-700: #17718B;
  --cyan-800: #0F5568;
  --cyan-900: #0A3B49;

  --yellow-400: #FAD808;
  --yellow-600: #C79E00;

  --red-500: #DC2826;
  --red-600: #B81F1D;

  --green-700: #0F7A3F;

  /* Neutrals */
  --ink-900: #061A21;
  --ink-800: #0B2B36;
  --ink-700: #1F3A45;
  --gray-600: #4B5563;
  --gray-500: #6B7280;
  --gray-400: #9CA3AF;
  --gray-200: #E5E7EB;
  --gray-100: #F3F6F8;
  --white: #FFFFFF;

  /* Semantic */
  --bg: var(--white);
  --bg-soft: var(--cyan-100);
  --text: var(--ink-800);
  --text-muted: var(--gray-600);
  --brand: var(--cyan-500);
  --brand-ink: var(--cyan-800);

  /* Shape */
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-xl: 34px;
  --radius-pill: 999px;

  --shadow-xs: 0 2px 8px rgba(10, 59, 73, .06);
  --shadow-sm: 0 6px 18px rgba(10, 59, 73, .08);
  --shadow-md: 0 14px 34px rgba(10, 59, 73, .10);
  --shadow-lg: 0 26px 60px rgba(10, 59, 73, .14);
  --shadow-cyan: 0 14px 30px rgba(23, 113, 139, .28);

  /* Layout */
  --container: 1200px;
  --gutter: 24px;
  --header-h: 76px;
  --section-y: clamp(64px, 8vw, 112px);

  /* Motion */
  --ease: cubic-bezier(.22, .68, .32, 1);
  --dur: .45s;

  --font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue",
          "Noto Sans", Arial, sans-serif;
}

/* ----------------------------------------------------------- 3. Typography */
h1, h2, h3 {
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--ink-900);
  text-wrap: balance;
}

.hero-title {
  font-size: clamp(2.45rem, 6.4vw, 4.15rem);
  line-height: 1.03;
  letter-spacing: -.03em;
}

.section-title {
  font-size: clamp(1.8rem, 3.9vw, 2.8rem);
  line-height: 1.12;
}

.cta-title {
  font-size: clamp(1.7rem, 3.6vw, 2.55rem);
  line-height: 1.15;
  color: var(--white);
}

.card-title {
  font-size: 1.16rem;
  line-height: 1.3;
  margin-bottom: 8px;
}

.section-sub {
  font-size: 1.03rem;
  color: var(--text-muted);
  max-width: 60ch;
  margin-top: 14px;
}

.card-text,
.section-foot,
.testimonial-text,
.testimonial-meta,
.float-text,
.float-caption {
  font-size: .97rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.eyebrow {
  display: inline-block;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-700);
  margin-bottom: 14px;
}

.eyebrow-light { color: var(--cyan-300); }

/* ------------------------------------------------------------- 4. Global */
html, body { max-width: 100%; overflow-x: hidden; }

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.section { padding-block: var(--section-y); }
.section-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 60px); }
.section-foot { margin-top: 34px; font-size: .95rem; }

.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.ico {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  fill: none;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 200;
  background: var(--cyan-700);
  color: var(--white);
  padding: 12px 20px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 700;
  text-decoration: none;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 0; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* Grids */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Cards */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  box-shadow: var(--shadow-xs);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--cyan-200);
}

/* Buttons */
.btn {
  --btn-bg: var(--white);
  --btn-fg: var(--ink-800);
  --btn-bd: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  min-height: 50px;
  border: 2px solid var(--btn-bd);
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-weight: 700;
  font-size: .98rem;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease),
              background-color .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease);
}
.btn .ico { width: 1.2em; height: 1.2em; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  --btn-bg: var(--cyan-700);
  --btn-fg: var(--white);
  box-shadow: var(--shadow-cyan);
}
.btn-primary:hover {
  --btn-bg: var(--cyan-800);
  box-shadow: 0 18px 36px rgba(10, 59, 73, .32);
}

.btn-outline {
  --btn-bg: var(--white);
  --btn-fg: var(--cyan-800);
  --btn-bd: var(--cyan-300);
}
.btn-outline:hover { --btn-bg: var(--cyan-100); --btn-bd: var(--cyan-500); }

.btn-ghost {
  --btn-bg: rgba(255, 255, 255, .72);
  --btn-fg: var(--ink-800);
  --btn-bd: rgba(10, 59, 73, .18);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { --btn-bg: var(--white); --btn-bd: var(--cyan-500); }

.btn-whatsapp {
  --btn-bg: var(--green-700);
  --btn-fg: var(--white);
}
.btn-whatsapp:hover { --btn-bg: #0B6233; }

.btn-white {
  --btn-bg: var(--white);
  --btn-fg: var(--cyan-800);
  box-shadow: var(--shadow-md);
}
.btn-white:hover { --btn-bg: var(--cyan-100); }

.btn-outline-light {
  --btn-bg: transparent;
  --btn-fg: var(--white);
  --btn-bd: rgba(255, 255, 255, .7);
}
.btn-outline-light:hover { --btn-bg: rgba(255, 255, 255, .14); }

.btn-sm { padding: 10px 18px; min-height: 44px; font-size: .92rem; }
.btn-lg { padding: 16px 30px; min-height: 56px; font-size: 1.02rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--cyan-800);
  text-decoration: none;
  border-bottom: 2px solid var(--cyan-300);
  padding-bottom: 2px;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.link-arrow:hover { color: var(--cyan-600); border-color: var(--cyan-500); }

/* Stars */
.stars {
  display: inline-flex;
  gap: 3px;
  color: var(--yellow-400);
  line-height: 1;
}
.stars .ico { width: 1.05em; height: 1.05em; fill: currentColor; }
.stars-sm .ico { width: .9em; height: .9em; }
.ico-star-muted { fill: var(--gray-200); }

.status-dot {
  display: inline-block;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #2E9E5B;
  margin-right: 7px;
  vertical-align: 1px;
}
.status-dot-light { background: #7BE8A6; }

.dot-sep {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--gray-400);
  display: inline-block;
}

/* ------------------------------------------------------------- 5. Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: transparent;
  padding-block: 12px;
  transition: background-color .35s var(--ease), box-shadow .35s var(--ease),
              padding .35s var(--ease), backdrop-filter .35s var(--ease);
}
.site-header.is-stuck {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 30px rgba(10, 59, 73, .10);
  padding-block: 8px;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  background: rgba(255, 255, 255, .62);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, .8);
  border-radius: var(--radius-pill);
  padding: 8px 10px 8px 14px;
  box-shadow: 0 10px 34px rgba(10, 59, 73, .10);
  transition: background-color .35s var(--ease), box-shadow .35s var(--ease),
              border-color .35s var(--ease);
}
.site-header.is-stuck .header-inner {
  background: var(--white);
  border-color: var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}
.brand-mark { width: 42px; height: 42px; flex: none; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-name {
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: -.01em;
  color: var(--ink-900);
  white-space: nowrap;
}
.brand-tamil {
  font-size: .74rem;
  color: var(--gray-500);
  line-height: 1.3;
  white-space: nowrap;
}

.nav { margin-left: auto; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: .95rem;
  color: var(--ink-700);
  text-decoration: none;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}
.nav-link:hover { color: var(--cyan-800); background: var(--cyan-100); }
.nav-link.is-active { color: var(--cyan-800); }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 4px;
  width: 18px; height: 3px;
  transform: translateX(-50%);
  border-radius: 2px;
  background: var(--cyan-500);
}

.header-actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-200);
  border-radius: 14px;
  background: var(--white);
  color: var(--ink-800);
  cursor: pointer;
}
.nav-toggle-ico { position: relative; display: grid; place-items: center; }
.nav-toggle .ico { grid-area: 1 / 1; width: 24px; height: 24px; }
.nav-toggle .ico-close { display: none; }
.nav-toggle[aria-expanded="true"] .ico-menu { display: none; }
.nav-toggle[aria-expanded="true"] .ico-close { display: block; }

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(6, 26, 33, .45);
  opacity: 0;
  transition: opacity .3s var(--ease);
}
.nav-backdrop.is-open { opacity: 1; }

/* ---------------------------------------------------------------- 6. Hero */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + 44px);
  padding-bottom: clamp(90px, 11vw, 150px);
  background: linear-gradient(180deg, var(--cyan-100) 0%, #F7FCFD 55%, var(--white) 100%);
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(4px);
}
.blob-1 {
  width: 460px; height: 460px;
  top: -140px; right: -120px;
  background: radial-gradient(circle at 30% 30%, rgba(127, 206, 231, .55), rgba(127, 206, 231, 0) 70%);
  animation: drift 16s ease-in-out infinite alternate;
}
.blob-2 {
  width: 520px; height: 520px;
  bottom: -220px; left: -160px;
  background: radial-gradient(circle at 60% 40%, rgba(80, 180, 204, .28), rgba(80, 180, 204, 0) 70%);
  animation: drift 20s ease-in-out infinite alternate-reverse;
}
.blob-3 {
  width: 420px; height: 420px;
  top: -120px; right: -100px;
  background: radial-gradient(circle at 50% 50%, rgba(127, 206, 231, .4), rgba(127, 206, 231, 0) 70%);
}
.ring {
  position: absolute;
  border-radius: 50%;
  border: 2px dashed rgba(80, 180, 204, .35);
}
.ring-1 { width: 260px; height: 260px; top: 8%; left: 4%; animation: spin 46s linear infinite; }
.ring-2 { width: 150px; height: 150px; bottom: 10%; right: 6%; border-style: solid; border-color: rgba(250, 216, 8, .5); }

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(-24px, 22px, 0) scale(1.06); }
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 60px);
  align-items: center;
}

.hero-desc {
  margin-top: 20px;
  font-size: 1.08rem;
  color: var(--gray-600);
  max-width: 52ch;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px dashed var(--cyan-200);
  font-size: .92rem;
  color: var(--gray-600);
}
.hero-rating { display: inline-flex; align-items: center; gap: 8px; }
.hero-rating strong { color: var(--ink-800); font-size: 1rem; }

.hero-visual {
  position: relative;
  padding: 10px;
  isolation: isolate;
}

.hero-image-frame {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--cyan-200);
  box-shadow: var(--shadow-lg);
  border: 8px solid var(--white);
  animation: heroIn .7s var(--ease) both .1s;
}
.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(18px) scale(.98); }
  to   { opacity: 1; transform: none; }
}

.shape { position: absolute; z-index: -1; border-radius: 50%; }
.shape-cyan {
  width: 62%; height: 62%;
  top: -8%; right: -10%;
  background: linear-gradient(140deg, rgba(127, 206, 231, .65), rgba(127, 206, 231, .12));
}
.shape-yellow {
  width: 46%; height: 46%;
  bottom: -10%; left: -8%;
  background: linear-gradient(140deg, rgba(250, 216, 8, .5), rgba(250, 216, 8, .06));
  border-radius: 38% 62% 55% 45% / 45% 40% 60% 55%;
}
.shape-red {
  width: 26px; height: 26px;
  top: 22%; left: -14px;
  background: var(--red-500);
  border-radius: 8px;
  transform: rotate(18deg);
}

/* --------------------------------------------------- 7. Floating reviews */
/* On desktop the cards are absolutely positioned around the image, so the
   wrapper is transparent to layout. On mobile it becomes a tidy grid. */
.hero-floats { display: contents; }

.float-card {
  position: absolute;
  z-index: 3;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 14px 18px;
  max-width: 236px;
  animation: floaty 7s ease-in-out infinite;
}
.float-rating { top: -14px; left: -26px; animation-delay: .2s; }
.float-rating-score {
  display: block;
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--ink-900);
  line-height: 1;
}
.float-rating-score small { font-size: .95rem; font-weight: 700; color: var(--gray-500); }
.float-rating .stars { margin-top: 6px; }
.float-caption { display: block; margin-top: 6px; font-size: .82rem; }

.float-quote-1 { bottom: 16%; right: -22px; animation-delay: 1.1s; }
.float-quote-2 { top: 46%; left: -34px; animation-delay: .7s; }
.float-text { margin-top: 6px; font-size: .88rem; font-weight: 600; color: var(--ink-700); line-height: 1.45; }

.float-badge {
  bottom: -18px;
  left: 8%;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 260px;
  font-size: .85rem;
  color: var(--gray-600);
  animation-delay: 1.6s;
}
.float-badge .ico { width: 20px; height: 20px; color: var(--red-500); }
.float-badge strong { color: var(--ink-800); }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-11px); }
}

.hero-wave {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  line-height: 0;
}
.hero-wave svg { width: 100%; height: clamp(48px, 6vw, 90px); }

/* ------------------------------------------------------------ 8. Services */
.services { background: var(--white); }

.services-grid { align-items: stretch; }

.service-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%;
  padding-top: 30px;
}
.service-card .card-text { flex: 1 1 auto; }
.card-icon {
  display: grid;
  place-items: center;
  width: 58px; height: 58px;
  border-radius: 18px;
  background: var(--cyan-100);
  color: var(--cyan-800);
  margin-bottom: 18px;
  transition: background-color .3s var(--ease), color .3s var(--ease),
              transform .3s var(--ease);
}
.card-icon .ico { width: 28px; height: 28px; }
.service-card:hover .card-icon {
  background: var(--cyan-500);
  color: var(--white);
  transform: rotate(-6deg) scale(1.05);
}
.card-action { margin-top: 20px; }
.service-card:nth-child(3n+2) .card-icon { background: #FFF7D6; color: var(--yellow-600); }
.service-card:nth-child(3n+2):hover .card-icon { background: var(--yellow-400); color: var(--ink-900); }
.service-card:nth-child(3n+3) .card-icon { background: #FDE8E8; color: var(--red-600); }
.service-card:nth-child(3n+3):hover .card-icon { background: var(--red-500); color: var(--white); }

/* ------------------------------------------------------------ 9. Benefits */
.benefits {
  position: relative;
  background: var(--cyan-100);
  border-radius: clamp(28px, 4vw, 56px) clamp(28px, 4vw, 56px) 0 0;
  margin-top: -28px;
  overflow: hidden;
}
.benefits-bg { position: absolute; inset: 0; pointer-events: none; }
.benefits-grid { position: relative; }

.benefit-card {
  background: var(--white);
  border-color: transparent;
  box-shadow: var(--shadow-sm);
  padding: 30px 24px;
}
.benefit-ico {
  position: relative;
  display: grid;
  place-items: center;
  width: 54px; height: 54px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: var(--cyan-500);
  color: var(--white);
}
.benefit-ico::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px dashed rgba(80, 180, 204, .45);
}
.benefit-ico .ico { width: 26px; height: 26px; }
.benefit-card:nth-child(2) .benefit-ico { background: var(--yellow-400); color: var(--ink-900); }
.benefit-card:nth-child(2) .benefit-ico::after { border-color: rgba(199, 158, 0, .5); }
.benefit-card:nth-child(3) .benefit-ico { background: var(--red-500); color: var(--white); }
.benefit-card:nth-child(3) .benefit-ico::after { border-color: rgba(220, 40, 38, .4); }
.benefit-card:nth-child(4) .benefit-ico { background: var(--ink-800); color: var(--white); }
.benefit-card:nth-child(4) .benefit-ico::after { border-color: rgba(11, 43, 54, .3); }

/* --------------------------------------------------------- 10. Why choose */
.why { background: var(--white); }
.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.why-media { position: relative; padding: 14px; }
.why-image {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3.2;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 8px solid var(--white);
}
.shape-why {
  width: 70%; height: 70%;
  top: -6%; left: -8%;
  z-index: 0;
  background: linear-gradient(140deg, rgba(127, 206, 231, .6), rgba(127, 206, 231, .05));
  border-radius: 40% 60% 55% 45% / 50% 45% 55% 50%;
}
.shape-why-dots {
  width: 90px; height: 90px;
  right: -6%; bottom: 2%;
  z-index: 2;
  border-radius: 22px;
  background-image: radial-gradient(rgba(250, 216, 8, .9) 2.5px, transparent 2.6px);
  background-size: 14px 14px;
  transform: rotate(-8deg);
}

.why-chip {
  position: absolute;
  z-index: 3;
  right: -10px;
  bottom: -14px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  padding: 12px 20px;
  font-size: .87rem;
  color: var(--gray-600);
}
.why-chip strong { color: var(--ink-900); }

.check-list {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-weight: 600;
  color: var(--ink-700);
  line-height: 1.5;
}
.check-list .ico {
  width: 22px; height: 22px;
  color: var(--green-700);
  margin-top: 2px;
}

.why-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-top: 32px;
}

/* -------------------------------------------------- 11. Social proof strip */
.proof {
  background: linear-gradient(120deg, var(--cyan-900) 0%, var(--cyan-700) 60%, var(--cyan-800) 100%);
  color: var(--white);
  padding-block: clamp(38px, 5vw, 58px);
  position: relative;
  overflow: hidden;
}
.proof::before {
  content: "";
  position: absolute;
  width: 320px; height: 320px;
  right: -90px; top: -120px;
  border-radius: 50%;
  border: 2px dashed rgba(255, 255, 255, .18);
}
.proof-inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 18px 34px;
  text-align: center;
}
.proof-rating { display: flex; align-items: center; gap: 14px; }
.proof-score {
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.02em;
}
.proof-out { font-size: .5em; opacity: .75; margin-left: 2px; }
.proof .stars { color: var(--yellow-400); }
.proof .ico-star-muted { fill: rgba(255, 255, 255, .3); }
.proof-count { font-size: 1.06rem; }
.proof-count strong { font-weight: 700; }
.proof-note {
  flex-basis: 100%;
  font-size: .95rem;
  opacity: .88;
}

/* -------------------------------------------------------- 12. Testimonials */
.testimonials { background: var(--white); }

.carousel { position: relative; }
.carousel-viewport { overflow: visible; }
.carousel-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  position: relative;
  padding-top: 34px;
  height: 100%;
}
.quote-mark {
  position: absolute;
  top: 18px; right: 20px;
  width: 34px; height: 34px;
  color: var(--cyan-200);
}
.testimonial-text {
  margin-top: 14px;
  color: var(--ink-700);
  font-size: 1.01rem;
}
.testimonial-meta {
  margin-top: 16px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--cyan-700);
}
.carousel-controls { display: none; gap: 10px; margin-top: 20px; }
.carousel-btn {
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 2px solid var(--cyan-200);
  background: var(--white);
  color: var(--cyan-800);
  cursor: pointer;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}
.carousel-btn .ico { width: 20px; height: 20px; }
.carousel-btn:hover { background: var(--cyan-100); border-color: var(--cyan-500); }
.carousel-btn[data-carousel-prev] .ico { transform: rotate(180deg); }

/* ----------------------------------------------------------------- 13. FAQ */
.faq { background: var(--gray-100); }
.faq-inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(30px, 5vw, 60px);
  align-items: start;
}
.faq .section-head { margin-bottom: 0; position: sticky; top: 120px; }

.accordion { display: grid; gap: 14px; }
.acc-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.acc-item.is-open { box-shadow: var(--shadow-sm); border-color: var(--cyan-200); }
.acc-heading { font-size: 1rem; }
.acc-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 22px;
  background: none;
  border: 0;
  text-align: left;
  font-weight: 700;
  font-size: 1.03rem;
  line-height: 1.4;
  color: var(--ink-800);
  cursor: pointer;
  transition: color .2s var(--ease);
}
.acc-trigger:hover { color: var(--cyan-800); }
.acc-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 32px; height: 32px;
  flex: none;
  border-radius: 50%;
  background: var(--cyan-100);
  color: var(--cyan-800);
  transition: background-color .25s var(--ease), color .25s var(--ease);
}
.acc-icon .ico { grid-area: 1 / 1; width: 18px; height: 18px; }
.acc-icon .ico-minus { display: none; }
.acc-item.is-open .acc-icon { background: var(--cyan-500); color: var(--white); }
.acc-item.is-open .acc-icon .ico-plus { display: none; }
.acc-item.is-open .acc-icon .ico-minus { display: block; }

.acc-panel {
  overflow: hidden;
  transition: max-height .38s var(--ease), opacity .3s var(--ease);
  max-height: 0;
  opacity: 0;
}
.acc-panel[hidden] { display: block; height: 0; }
.acc-panel p {
  padding: 0 22px 22px;
  color: var(--gray-600);
  font-size: .97rem;
  line-height: 1.72;
}
.acc-panel a { color: var(--cyan-800); font-weight: 600; }

/* ------------------------------------------------------------- 14. CTA */
.cta {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0E6C87 0%, var(--cyan-700) 48%, #10495C 100%);
  padding-block: clamp(64px, 8vw, 104px);
  text-align: center;
}
.cta-inner { position: relative; max-width: 780px; margin-inline: auto; }
.cta-text {
  margin-top: 18px;
  color: rgba(255, 255, 255, .88);
  font-size: 1.06rem;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 32px;
}
.cta-note {
  margin-top: 26px;
  font-size: .9rem;
  color: rgba(255, 255, 255, .8);
}
.cta-shape { position: absolute; border-radius: 50%; pointer-events: none; }
.cta-shape-1 {
  width: 300px; height: 300px;
  top: -140px; left: -80px;
  background: radial-gradient(circle, rgba(127, 206, 231, .5), transparent 70%);
  animation: drift 18s ease-in-out infinite alternate;
}
.cta-shape-2 {
  width: 180px; height: 180px;
  bottom: -70px; right: -30px;
  background: radial-gradient(circle, rgba(250, 216, 8, .35), transparent 70%);
  animation: drift 22s ease-in-out infinite alternate-reverse;
}
.cta-shape-3 {
  width: 22px; height: 22px;
  top: 34px; right: 18%;
  background: var(--red-500);
  border-radius: 7px;
  transform: rotate(20deg);
}

/* ---------------------------------------------------------- 15. Contact */
.contact { background: var(--white); }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}
.contact-media { position: relative; padding: 12px; }
.contact-media::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: linear-gradient(140deg, rgba(127, 206, 231, .45), rgba(80, 180, 204, .1));
  transform: rotate(-2.5deg);
}
.contact-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3.2;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 8px solid var(--white);
  box-shadow: var(--shadow-md);
}

.contact-card {
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 3.4vw, 38px);
  box-shadow: var(--shadow-sm);
}
.contact-address {
  display: flex;
  gap: 12px;
  margin-top: 18px;
  font-style: normal;
  color: var(--gray-600);
  font-size: .98rem;
  line-height: 1.7;
}
.contact-address .ico { width: 22px; height: 22px; color: var(--red-500); margin-top: 4px; }

.contact-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--ink-900);
  text-decoration: none;
  letter-spacing: -.01em;
}
.contact-phone:hover { color: var(--cyan-700); }
.contact-phone .ico { width: 24px; height: 24px; color: var(--cyan-700); }

.contact-hours {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  color: var(--gray-600);
  font-size: .93rem;
}
.contact-hours .ico { width: 20px; height: 20px; color: var(--gray-500); }

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
}
.contact-actions .btn { flex: 1 1 auto; min-width: 140px; }

/* ----------------------------------------------------------- 16. Footer */
.site-footer {
  background: linear-gradient(180deg, var(--ink-900) 0%, #04161C 100%);
  color: rgba(255, 255, 255, .74);
  padding-top: clamp(52px, 6vw, 76px);
  font-size: .93rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.1fr;
  gap: 40px;
  padding-bottom: 42px;
}
.brand-footer .brand-name { color: var(--white); }
.brand-footer .brand-tamil { color: rgba(255, 255, 255, .55); }
.footer-about-text { margin-top: 16px; max-width: 34ch; line-height: 1.7; }

.footer-heading {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-300);
  margin-bottom: 16px;
}
.footer-links, .footer-contact { display: grid; gap: 10px; }
.footer-links a, .footer-contact a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, .74);
  text-decoration: none;
  transition: color .2s var(--ease), transform .2s var(--ease);
}
.footer-links a:hover, .footer-contact a:hover { color: var(--white); }
.footer-contact .ico { width: 18px; height: 18px; color: var(--cyan-300); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-block: 22px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: .85rem;
  color: rgba(255, 255, 255, .6);
}
.footer-credit a {
  color: var(--cyan-300);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 206, 231, .4);
}
.footer-credit a:hover { color: var(--white); border-color: var(--white); }

/* ------------------------------------------------ 17. Floating WhatsApp */
.wa-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 95;
  display: grid;
  place-items: center;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--green-700);
  color: var(--white);
  box-shadow: 0 12px 28px rgba(15, 122, 63, .38);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.wa-float .ico { width: 30px; height: 30px; }
.wa-float::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(15, 122, 63, .55);
  animation: pulse 2.6s var(--ease) infinite;
}
.wa-float:hover { transform: scale(1.07); box-shadow: 0 16px 34px rgba(15, 122, 63, .46); }
@keyframes pulse {
  0%   { transform: scale(1); opacity: .8; }
  70%  { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

.wa-float-tip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  white-space: nowrap;
  background: var(--ink-900);
  color: var(--white);
  font-size: .82rem;
  font-weight: 600;
  padding: 8px 13px;
  border-radius: var(--radius-pill);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.wa-float:hover .wa-float-tip,
.wa-float:focus-visible .wa-float-tip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* ------------------------------------------------------ 18. Reveal motion */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
.js .reveal.is-visible { opacity: 1; transform: none; will-change: auto; }

.hero-content > * { animation: fadeUp .65s var(--ease) both; }
.hero-content > *:nth-child(1) { animation-delay: .05s; }
.hero-content > *:nth-child(2) { animation-delay: .12s; }
.hero-content > *:nth-child(3) { animation-delay: .2s; }
.hero-content > *:nth-child(4) { animation-delay: .28s; }
.hero-content > *:nth-child(5) { animation-delay: .36s; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: none; }
}

.hl-cyan { color: var(--cyan-600); }

/* -------------------------------------------------------- 19. Responsive */
@media (max-width: 1080px) {
  .float-quote-1 { right: -8px; }
  .float-quote-2 { left: -12px; }
  .float-rating { left: -8px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  :root { --gutter: 22px; }

  .nav {
    position: fixed;
    top: 0; right: 0;
    width: min(340px, 84vw);
    height: 100dvh;
    z-index: 95;
    background: var(--white);
    box-shadow: -18px 0 44px rgba(10, 59, 73, .18);
    padding: 96px 24px 32px;
    transform: translateX(102%);
    transition: transform .34s var(--ease);
    overflow-y: auto;
    margin-left: 0;
  }
  .nav.is-open { transform: translateX(0); }
  .nav-list { flex-direction: column; align-items: stretch; gap: 6px; }
  .nav-link {
    display: block;
    padding: 15px 16px;
    font-size: 1.04rem;
    border-radius: var(--radius-md);
  }
  .nav-link.is-active::after { display: none; }
  .nav-link.is-active { background: var(--cyan-100); }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn-primary { display: none; }

  .hero-inner,
  .why-inner,
  .contact-inner,
  .faq-inner { grid-template-columns: 1fr; }

  .hero { padding-top: calc(var(--header-h) + 28px); }
  .hero-content { text-align: left; }
  .hero-visual { max-width: 560px; margin-inline: auto; width: 100%; }

  .faq .section-head { position: static; margin-bottom: 28px; }
  .why-actions { margin-top: 26px; }
  .contact-media { max-width: 560px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-about { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }

  .carousel-viewport { overflow: hidden; }
  .carousel-track {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 6px;
  }
  .carousel-track::-webkit-scrollbar { display: none; }
  .carousel-track > li {
    flex: 0 0 min(84%, 380px);
    scroll-snap-align: center;
  }
  .carousel-controls { display: flex; justify-content: center; }
}

@media (max-width: 720px) {
  :root { --gutter: 18px; --header-h: 68px; }

  .header-inner { padding: 6px 8px 6px 10px; border-radius: var(--radius-lg); }
  .brand-mark { width: 38px; height: 38px; }
  .brand-name { font-size: .95rem; }
  .brand-tamil { font-size: .68rem; }
  .nav-toggle { width: 44px; height: 44px; }

  .hero-image-frame { border-width: 6px; border-radius: var(--radius-lg); }
  .hero-desc { font-size: 1.02rem; }
  .hero-cta { gap: 10px; }
  .hero-cta .btn { flex: 1 1 100%; }
  .hero-trust { gap: 10px; font-size: .88rem; }
  .hero-trust .dot-sep { display: none; }

  /* Floating cards become a tidy 2-column grid under the image */
  .hero-visual { padding: 10px 0 0; }
  .hero-floats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 16px;
  }
  .hero-floats .float-card {
    position: static;
    animation: none;
    max-width: none;
    width: 100%;
    padding: 13px 16px;
  }
  .float-rating-score { font-size: 1.5rem; }
  .float-quote-1, .float-badge { grid-column: 1 / -1; }
  .shape-yellow { width: 40%; height: 26%; }
  .shape-cyan { width: 52%; height: 40%; top: 6%; }

  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .benefits { border-radius: 26px 26px 0 0; }

  .why-media, .contact-media { padding: 8px; }
  .why-image, .contact-image { border-width: 6px; border-radius: var(--radius-lg); }
  .why-chip { position: static; margin-top: 14px; display: inline-flex; }

  .proof-inner { flex-direction: column; gap: 12px; }

  .contact-actions .btn { flex: 1 1 100%; }
  .footer-inner { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { justify-content: center; text-align: center; }

  .wa-float { right: 14px; bottom: 14px; width: 54px; height: 54px; }
  .wa-float .ico { width: 28px; height: 28px; }
  .wa-float-tip { display: none; }
}

@media (max-width: 400px) {
  :root { --gutter: 16px; }
  .brand-tamil { display: none; }
  .hero-title { font-size: 2.2rem; }
  .btn-lg { padding: 14px 20px; font-size: .97rem; }
  .card { padding: 24px 20px; }
  .acc-trigger { padding: 18px 18px; font-size: 1rem; }
  .acc-panel p { padding: 0 18px 18px; }
}

/* -------------------------------------------- 20. Accessibility & motion */
:focus-visible {
  outline: 3px solid var(--ink-900);
  outline-offset: 3px;
  border-radius: 6px;
}
.proof :focus-visible,
.cta :focus-visible,
.site-footer :focus-visible,
.wa-float:focus-visible { outline-color: var(--yellow-400); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  .js .reveal { opacity: 1 !important; transform: none !important; }
  .float-card { animation: none !important; }
  .blob, .ring { animation: none !important; }
  .wa-float::after { animation: none !important; }
}

@media (prefers-contrast: more) {
  :root { --text-muted: #374151; --gray-200: #9CA3AF; }
  .card, .acc-item { border-width: 2px; }
}