/* ==========================================================================
   Mariana B Spa — Stylesheet
   ========================================================================== */

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

:root {
  --bg: #0e0d0b;
  --bg-soft: #15130f;
  --bg-card: #1a1713;
  --surface: #221e18;
  --line: rgba(212, 187, 140, 0.14);
  --line-strong: rgba(212, 187, 140, 0.28);
  --text: #ece6da;
  --text-soft: #b8afa0;
  --text-muted: #857c6d;
  --accent: #d4bb8c;
  --accent-soft: #b89f70;
  --accent-glow: rgba(212, 187, 140, 0.18);
  --font-serif: "Cormorant Garamond", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius: 4px;
  --maxw: 1240px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  font-weight: 400;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

a:hover {
  color: var(--accent);
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
}

p {
  color: var(--text-soft);
}

ul {
  list-style: none;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--surface);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-soft);
}

/* ---------- Preloader ---------- */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.preloader-ring {
  width: 48px;
  height: 48px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.preloader-text {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 120px 0;
  position: relative;
}

.section-head {
  max-width: 720px;
  margin-bottom: 72px;
}

.section-eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  font-weight: 500;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 400;
}

.section-sub {
  margin-top: 20px;
  font-size: 1.05rem;
  color: var(--text-soft);
  max-width: 600px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 32px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-block {
  width: 100%;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 22px 0;
  transition: all 0.4s var(--ease);
  background: transparent;
}

.site-header.scrolled {
  background: rgba(14, 13, 11, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.nav-container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: all 0.4s var(--ease);
}

.logo:hover .logo-mark {
  background: var(--accent);
  color: var(--bg);
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--text);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-link {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-soft);
  position: relative;
  padding: 6px 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.35s var(--ease);
}

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

.nav-link:hover {
  color: var(--text);
}

.nav-cta {
  border: 1px solid var(--line-strong);
  padding: 10px 22px;
  border-radius: var(--radius);
  color: var(--text);
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

.nav-toggle span {
  width: 24px;
  height: 1.5px;
  background: var(--text);
  transition: all 0.3s var(--ease);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
}

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

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  animation: float 18s ease-in-out infinite;
}

.orb-1 {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(212, 187, 140, 0.35), transparent 70%);
  top: -120px;
  right: -100px;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(184, 159, 112, 0.22), transparent 70%);
  bottom: -150px;
  left: -80px;
  animation-delay: -6s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(212, 187, 140, 0.14), transparent 70%);
  top: 40%;
  left: 45%;
  animation-delay: -12s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.08); }
  66% { transform: translate(-30px, 20px) scale(0.96); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 187, 140, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 187, 140, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
}

.hero-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  font-weight: 500;
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 6rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 900px;
}

.hero-title .accent {
  color: var(--accent);
  font-style: italic;
  font-weight: 400;
}

.hero-subtitle {
  margin-top: 32px;
  font-size: 1.1rem;
  max-width: 560px;
  color: var(--text-soft);
  line-height: 1.75;
}

.hero-actions {
  margin-top: 44px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.hero-stats {
  margin-top: 80px;
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid var(--line);
  max-width: 640px;
}

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

.stat-num {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  color: var(--accent);
  line-height: 1;
}

.stat-suffix {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  color: var(--accent);
  line-height: 1;
}

.stat {
  flex-direction: row;
  align-items: baseline;
  flex-wrap: wrap;
}

.stat-label {
  width: 100%;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 10px;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero-scroll span {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ---------- Marquee ---------- */
.marquee-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
  overflow: hidden;
  background: var(--bg-soft);
}

.marquee-track {
  display: flex;
  gap: 40px;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
  width: max-content;
}

.marquee-track span {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.marquee-track .dot {
  color: var(--accent);
  font-size: 1rem;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.visual-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--bg-card);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  filter: blur(40px);
  animation: pulseGlow 6s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
}

.visual-shape {
  position: absolute;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.shape-a {
  width: 70%;
  height: 70%;
  animation: rotateSlow 30s linear infinite;
}

.shape-b {
  width: 45%;
  height: 45%;
  border-color: var(--accent);
  opacity: 0.4;
  animation: rotateSlow 20s linear infinite reverse;
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.visual-monogram {
  position: relative;
  z-index: 2;
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.about-copy .lead {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 28px;
}

.about-copy p {
  margin-bottom: 20px;
  font-size: 1rem;
}

.about-values {
  margin-top: 40px;
  display: grid;
  gap: 24px;
}

.value-item {
  padding-left: 24px;
  border-left: 1px solid var(--accent);
}

.value-item h4 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.value-item p {
  font-size: 0.92rem;
  color: var(--text-soft);
  margin: 0;
}

/* ---------- Services ---------- */
.services {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 40px 32px;
  position: relative;
  transition: all 0.5s var(--ease);
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}

.service-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-6px);
  background: var(--surface);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-index {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.service-card p {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-meta {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  display: grid;
  gap: 10px;
}

.service-meta li {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
}

.service-meta li span:first-child {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
}

.service-meta li span:last-child {
  color: var(--text);
}

/* ---------- Experience ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 80px;
}

.process-step {
  position: relative;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.step-num {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--accent);
  opacity: 0.5;
  margin-bottom: 16px;
}

.process-step h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.process-step p {
  font-size: 0.92rem;
  color: var(--text-soft);
}

.experience-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 48px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  flex-wrap: wrap;
}

.banner-text h3 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.banner-text p {
  color: var(--text-soft);
  font-size: 0.98rem;
}

/* ---------- Testimonials ---------- */
.testimonials {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.testimonial {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 40px 32px;
  position: relative;
  transition: all 0.5s var(--ease);
}

.testimonial:hover {
  border-color: var(--line-strong);
  transform: translateY(-4px);
}

.testimonial::before {
  content: "“";
  font-family: var(--font-serif);
  font-size: 5rem;
  color: var(--accent);
  opacity: 0.18;
  position: absolute;
  top: 10px;
  left: 24px;
  line-height: 1;
}

.testimonial p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.testimonial footer {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.t-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--accent);
}

.t-role {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---------- Location ---------- */
.location-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: stretch;
}

.location-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.info-block h4 {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  font-family: var(--font-sans);
  font-weight: 500;
}

.info-block p {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.7;
}

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

.location-map {
  min-height: 480px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  filter: grayscale(0.3) contrast(1.05);
  transition: filter 0.5s var(--ease);
}

.location-map:hover {
  filter: grayscale(0) contrast(1);
}

.location-map iframe {
  display: block;
  min-height: 480px;
}

/* ---------- Booking ---------- */
.booking {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.booking-form {
  max-width: 820px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 48px;
  border-radius: var(--radius);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 4px;
}

.form-field label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
}

.form-field input,
.form-field select,
.form-field textarea {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  width: 100%;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--text-muted);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-field textarea {
  resize: vertical;
}

.form-note {
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.form-note a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.contact-text {
  margin-top: 20px;
  font-size: 1.05rem;
  color: var(--text-soft);
  max-width: 460px;
}

.contact-right {
  display: grid;
  gap: 16px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 28px 32px;
  border-radius: var(--radius);
  transition: all 0.4s var(--ease);
}

.contact-card:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}

.contact-card h4 {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  font-family: var(--font-sans);
  font-weight: 500;
}

.contact-card a,
.contact-card p {
  font-size: 1.1rem;
  color: var(--text);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--line);
}

.footer-brand .logo {
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 0.92rem;
  color: var(--text-soft);
  max-width: 320px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  font-family: var(--font-sans);
  font-weight: 500;
}

.footer-col a,
.footer-col p {
  display: block;
  font-size: 0.92rem;
  color: var(--text-soft);
  margin-bottom: 12px;
  line-height: 1.6;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  border-color: var(--accent);
  background: var(--accent);
}

.back-to-top span {
  width: 10px;
  height: 10px;
  border-left: 1.5px solid var(--accent);
  border-top: 1.5px solid var(--accent);
  transform: rotate(45deg) translate(1px, 1px);
  transition: border-color 0.3s var(--ease);
}

.back-to-top:hover span {
  border-color: var(--bg);
}

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger helpers */
.services-grid .reveal:nth-child(2),
.testimonial-grid .reveal:nth-child(2),
.process-grid .reveal:nth-child(2) {
  transition-delay: 0.1s;
}
.services-grid .reveal:nth-child(3),
.testimonial-grid .reveal:nth-child(3),
.process-grid .reveal:nth-child(3) {
  transition-delay: 0.2s;
}
.services-grid .reveal:nth-child(4),
.process-grid .reveal:nth-child(4) {
  transition-delay: 0.3s;
}
.services-grid .reveal:nth-child(5) {
  transition-delay: 0.4s;
}
.services-grid .reveal:nth-child(6) {
  transition-delay: 0.5s;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .about-grid,
  .location-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .location-map,
  .location-map iframe {
    min-height: 360px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .container,
  .nav-container,
  .hero-content {
    padding: 0 22px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 82%;
    max-width: 340px;
    background: var(--bg-soft);
    border-left: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 28px;
    padding: 40px;
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
    z-index: 999;
  }

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

  .nav-link {
    font-size: 1rem;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .hero {
    padding: 130px 0 80px;
  }

  .hero-stats {
    gap: 36px;
    margin-top: 56px;
  }

  .stat-num,
  .stat-suffix {
    font-size: 2rem;
  }

  .services-grid,
  .testimonial-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .experience-banner {
    padding: 32px;
  }

  .booking-form {
    padding: 32px 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .marquee-track span {
    font-size: 1.05rem;
  }

  .about-copy .lead {
    font-size: 1.25rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn {
    width: 100%;
  }

  .hero-scroll {
    display: none;
  }
}

@media (max-width: 480px) {
  .section-title {
    font-size: 1.9rem;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .contact-card,
  .service-card,
  .testimonial {
    padding: 28px 22px;
  }
}