/* ==========================================================================
   AURA WELLNESS & SPA — Stylesheet
   Palette: White / Black / Light Gray / Soft Silver
   Type: Cormorant Garamond (display) + Jost (body)
   ========================================================================== */

:root {
  /* Colors */
  --c-black:        #131313;
  --c-charcoal:     #2b2b2b;
  --c-white:        #ffffff;
  --c-offwhite:     #f6f5f3;
  --c-silver:       #cfd2d4;
  --c-silver-soft:  #eceeef;
  --c-line:         rgba(19, 19, 19, 0.08);
  --c-line-light:   rgba(255, 255, 255, 0.18);

  /* Type */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Jost', 'Segoe UI', Arial, sans-serif;

  /* Layout */
  --container: 1200px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow-soft: 0 20px 50px -25px rgba(19, 19, 19, 0.35);
  --shadow-card: 0 10px 30px -15px rgba(19, 19, 19, 0.25);

  /* Motion */
  --ease: cubic-bezier(.25, .8, .25, 1);
  --transition: 0.4s var(--ease);
}

/* ==========================================================================
   RESET
   ========================================================================== */
* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--c-charcoal);
  background: var(--c-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { 
   max-width: 100%;
   display: block; 
   
  }
  /* Logo ka size bara karne ke liye */
.logo img {
    width: 130px;       /* Default chota tha, isay 180px kar diya. Aap 200px bhi kar ke check kar sakte hain */
    height: auto;       /* Is se logo stretch ya kharab nahi hoga */
    display: block;     /* Extra bottom spacing khatam karne ke liye */
    transition: width 0.3s ease; /* Agar smooth scaling chahiye ho */
}

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

ul { list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--c-black);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   UTILITIES
   ========================================================================== */
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-charcoal);
  opacity: 0.65;
  margin-bottom: 14px;
}

.section {
  padding: 90px 0;
}

.section-head {
  max-width: 680px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-title {
  font-size: clamp(2rem, 4.2vw, 2.75rem);
  margin-bottom: 18px;
}

.section-text {
  font-size: 1rem;
  color: var(--c-charcoal);
  opacity: 0.8;
  font-weight: 300;
}

.card-grid {
  display: grid;
  gap: 28px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 34px;
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--c-black);
  color: var(--c-white);
  box-shadow: var(--shadow-card);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--c-charcoal);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--c-black);
  border: 1px solid rgba(19,19,19,0.25);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: var(--c-black);
  color: var(--c-white);
  border-color: var(--c-black);
  transform: translateY(-2px);
}

/* Hero buttons sit on dark background */
.hero .btn-outline {
  color: var(--c-white);
  border-color: var(--c-line-light);
}
.hero .btn-outline:hover,
.hero .btn-outline:focus-visible {
  background: var(--c-white);
  color: var(--c-black);
  border-color: var(--c-white);
}

:focus-visible {
  outline: 2px solid var(--c-silver);
  outline-offset: 3px;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transition);
  background: transparent;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--c-line);
  padding: 12px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  color: var(--c-white);
  transition: color var(--transition);
  flex-shrink: 0;
  z-index: 1100;
}

.site-header.scrolled .logo {
  color: var(--c-black);
}

.logo-img {
  height: 40px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

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

.nav-link {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--c-white);
  position: relative;
  padding-bottom: 6px;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width var(--transition);
}

.nav-link:hover::after,
.nav-link.active-link::after {
  width: 100%;
}

.site-header.scrolled .nav-link {
  color: var(--c-charcoal);
}

.site-header.scrolled .nav-link.active-link {
  color: var(--c-black);
}

.nav-cta {
  padding: 12px 26px;
  font-size: 0.72rem;
}

.site-header:not(.scrolled) .nav-cta.btn-primary {
  background: var(--c-white);
  color: var(--c-black);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 30px;
  height: 24px;
  z-index: 1100;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--c-white);
  transition: var(--transition);
}

.site-header.scrolled .hamburger span,
.nav-open .hamburger span {
  background: var(--c-black);
}

.hamburger.is-active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}
.hamburger.is-active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--c-black);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  animation: heroZoom 18s ease-out forwards;
}

@keyframes heroZoom {
  to { transform: scale(1); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15,15,15,0.55) 0%, rgba(15,15,15,0.45) 45%, rgba(10,10,10,0.85) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--c-white);
  padding-top: 110px;
}

.hero .eyebrow {
  color: var(--c-silver);
  opacity: 1;
}

.hero-title {
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  color: var(--c-white);
  max-width: 14ch;
  margin-bottom: 22px;
  font-weight: 500;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  color: var(--c-silver-soft);
  letter-spacing: 0.06em;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

/* Breathing rings — signature element */
.breath-ring {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.breath-ring--hero {
  top: 50%;
  right: -10%;
  width: 56vmin;
  height: 56vmin;
  transform: translateY(-50%);
  z-index: 1;
}

.breath-ring span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.16);
  animation: breathe 8s var(--ease) infinite;
}

.breath-ring span:nth-child(2) {
  inset: 8%;
  animation-delay: -2.6s;
}
.breath-ring span:nth-child(3) {
  inset: 18%;
  animation-delay: -5.2s;
}

@keyframes breathe {
  0%, 100% { transform: scale(0.92); opacity: 0.25; }
  50% { transform: scale(1.04); opacity: 0.6; }
}

/* Scroll cue */
.scroll-cue {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--c-silver-soft);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.scroll-cue-line {
  width: 1px;
  height: 46px;
  background: rgba(255,255,255,0.35);
  overflow: hidden;
  position: relative;
}

.scroll-cue-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--c-white);
  animation: scrollLine 2.4s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { top: -100%; }
  60% { top: 100%; }
  100% { top: 100%; }
}

/* ==========================================================================
   ABOUT
   ========================================================================== */
.about-grid {
  display: grid;
  gap: 50px;
  align-items: center;
}

.about-media {
  position: relative;
}

.about-media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.about-media-frame {
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid var(--c-silver);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  flex-wrap: wrap;
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--c-black);
}

.stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-top: 4px;
}

/* ==========================================================================
   SERVICES
   ========================================================================== */
.services {
  background: var(--c-offwhite);
}

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

.service-card {
  background: var(--c-white);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--c-line);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -20px rgba(19,19,19,0.3);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--c-offwhite);
  border: 1px solid var(--c-silver);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-black);
  margin-bottom: 22px;
  transition: var(--transition);
}

.service-icon svg {
  width: 26px;
  height: 26px;
}

.service-card:hover .service-icon {
  background: var(--c-black);
  border-color: var(--c-black);
  color: var(--c-white);
}

.service-title {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.service-text {
  font-size: 0.94rem;
  opacity: 0.75;
}

/* ==========================================================================
   GALLERY
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 1 / 1;
  box-shadow: var(--shadow-card);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease), filter 0.7s var(--ease);
}

.gallery-item figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 22px 18px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--c-white);
  background: linear-gradient(180deg, transparent, rgba(15,15,15,0.75));
  transform: translateY(100%);
  transition: transform var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.08);
  filter: brightness(0.85);
}

.gallery-item:hover figcaption {
  transform: translateY(0);
}

/* ==========================================================================
   PRICING
   ========================================================================== */
.pricing {
  background: var(--c-offwhite);
}

.pricing-grid {
  grid-template-columns: repeat(1, 1fr);
  align-items: stretch;
}

.price-card {
  background: var(--c-white);
  border-radius: var(--radius-md);
  padding: 44px 36px;
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--c-line);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}

.price-card:hover {
  transform: translateY(-6px);
}

.price-card--featured {
  background: var(--c-black);
  color: var(--c-silver-soft);
  border-color: var(--c-black);
  box-shadow: 0 30px 60px -25px rgba(0,0,0,0.5);
  transform: scale(1.02);
}

.price-card--featured .price-name,
.price-card--featured .price-value {
  color: var(--c-white);
}

.price-card--featured .price-features li {
  border-color: rgba(255,255,255,0.12);
}

.price-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-silver);
  color: var(--c-black);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 999px;
  font-weight: 500;
}

.price-name {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.price-desc {
  font-size: 0.9rem;
  opacity: 0.7;
  margin-bottom: 24px;
  min-height: 44px;
}

.price-card--featured .price-desc {
  opacity: 0.75;
}

.price-value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 600;
  color: var(--c-black);
  margin-bottom: 28px;
}

.currency {
  font-size: 1.6rem;
  vertical-align: top;
  position: relative;
  top: 8px;
}

.price-period {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 300;
  opacity: 0.6;
  letter-spacing: 0.05em;
}

.price-features {
  margin-bottom: 32px;
  width: 100%;
}

.price-features li {
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 0.92rem;
}

.price-features li:last-child {
  border-bottom: none;
}

.price-card .btn {
  margin-top: auto;
  width: 100%;
}

.price-card--featured .btn-primary {
  background: var(--c-white);
  color: var(--c-black);
}

/* ==========================================================================
   WHY CHOOSE US
   ========================================================================== */
.why-grid {
  display: grid;
  gap: 56px;
}

.why-grid-items {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 30px;
}

.why-item {
  padding: 8px 0;
}

.why-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid var(--c-silver);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--c-black);
}

.why-icon svg {
  width: 24px;
  height: 24px;
}

.why-item h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.why-item p {
  font-size: 0.92rem;
  opacity: 0.75;
}

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */
.testimonials {
  background: var(--c-black);
  color: var(--c-silver-soft);
}

.testimonials .eyebrow,
.testimonials .section-title {
  color: var(--c-white);
}

.testimonials .eyebrow {
  color: var(--c-silver);
  opacity: 1;
}

.testimonial-slider {
  max-width: 760px;
  margin: 0 auto;
}

.testimonial-track {
  position: relative;
  min-height: 220px;
}

.testimonial-card {
  position: absolute;
  inset: 0;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  padding: 0 10px;
}

.testimonial-card.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  position: relative;
}

.stars {
  color: var(--c-silver);
  letter-spacing: 0.2em;
  margin-bottom: 18px;
  font-size: 0.95rem;
}

.testimonial-text {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 22px;
  color: var(--c-white);
}

.testimonial-author {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-silver);
}

.testimonial-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  margin-top: 40px;
}

.testimonial-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--c-line-light);
  color: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.testimonial-btn:hover {
  background: var(--c-white);
  color: var(--c-black);
}

.testimonial-dots {
  display: flex;
  gap: 10px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  transition: var(--transition);
}

.dot.is-active {
  background: var(--c-white);
  transform: scale(1.3);
}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact-grid {
  display: grid;
  gap: 50px;
  margin-bottom: 60px;
}

.contact-details {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.95rem;
}

.contact-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--c-silver);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--c-black);
}

.contact-icon svg {
  width: 18px;
  height: 18px;
}

.contact-form {
  background: var(--c-offwhite);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

.form-title {
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.form-row {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.65;
}

.form-row input,
.form-row select,
.form-row textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-line);
  background: var(--c-white);
  color: var(--c-charcoal);
  transition: var(--transition);
  width: 100%;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--c-black);
}

.form-row textarea {
  resize: vertical;
}

.form-submit {
  width: 100%;
  margin-top: 8px;
}

.form-success {
  margin-top: 16px;
  font-size: 0.88rem;
  text-align: center;
  color: var(--c-charcoal);
  opacity: 0.85;
  display: none;
}

.form-success.is-visible {
  display: block;
}

/* MAP */
.map-wrapper {
  width: 100%;
  height: 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  filter: grayscale(15%) contrast(1.02);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--c-black);
  color: var(--c-silver-soft);
  padding-top: 80px;
}

.footer-grid {
  display: grid;
  gap: 50px;
  grid-template-columns: repeat(1, 1fr);
  padding-bottom: 60px;
  border-bottom: 1px solid var(--c-line-light);
}

.footer-logo {
  height: 40px;
  margin-bottom: 18px;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.65;
  max-width: 320px;
  margin-bottom: 24px;
}

.footer-links h4,
.footer-contact h4 {
  color: var(--c-white);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-links ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.9rem;
  opacity: 0.7;
}

.footer-links a,
.footer-contact a {
  transition: var(--transition);
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--c-white);
  opacity: 1;
}

.social-icons {
  display: flex;
  gap: 12px;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--c-line-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-icon svg {
  width: 18px;
  height: 18px;
}

.social-icon:hover {
  background: var(--c-white);
  color: var(--c-black);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding: 26px 0;
  font-size: 0.82rem;
  opacity: 0.55;
}

/* ==========================================================================
   FLOATING BUTTONS
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px -10px rgba(0,0,0,0.4);
  z-index: 900;
  transition: var(--transition);
  animation: floatPulse 3s ease-in-out infinite;
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

@keyframes floatPulse {
  0%, 100% { box-shadow: 0 12px 30px -10px rgba(0,0,0,0.4), 0 0 0 0 rgba(37,211,102,0.4); }
  50% { box-shadow: 0 12px 30px -10px rgba(0,0,0,0.4), 0 0 0 10px rgba(37,211,102,0); }
}

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 92px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--c-black);
  color: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px -10px rgba(0,0,0,0.4);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

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

.back-to-top:hover {
  background: var(--c-charcoal);
}

/* ==========================================================================
   RESPONSIVE — TABLET (>= 640px)
   ========================================================================== */
@media (min-width: 640px) {
  .container { padding: 0 32px; }

  .about-stats { gap: 56px; }

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

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

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

/* ==========================================================================
   RESPONSIVE — LAPTOP (>= 900px)
   ========================================================================== */
@media (min-width: 900px) {
  .section { padding: 130px 0; }

  /* Navigation */
  .nav {
    gap: 44px;
  }

  .hamburger { display: none; }

  /* About */
  .about-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 90px;
  }

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

  /* Pricing */
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
  }

  /* Why choose us */
  .why-grid {
    grid-template-columns: 0.9fr 1.4fr;
  }

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

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 80px;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  }
}

/* ==========================================================================
   RESPONSIVE — DESKTOP (>= 1200px)
   ========================================================================== */
@media (min-width: 1200px) {
  .hero-title { max-width: 16ch; }
}

/* ==========================================================================
   MOBILE NAVIGATION (< 900px)
   ========================================================================== */
@media (max-width: 899px) {
  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
    background: var(--c-white);
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
    z-index: 1050;
  }

  .nav-list {
    flex-direction: column;
    align-items: center;
    gap: 28px;
  }

  .nav-link {
    color: var(--c-black);
    font-size: 1rem;
  }

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

  .nav-cta {
    background: var(--c-black);
    color: var(--c-white);
  }

  body.nav-open {
    overflow: hidden;
  }
}