/* ============================================================
   NORCAL MEDICAL & AESTHETICS — Clean Medical Luxury Design
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600&display=swap');

/* ------------------------------------------------------------
   Custom Properties
   ------------------------------------------------------------ */
:root {
  --color-bg: #F9FAFB;
  --color-text: #1A2332;
  --color-accent: #2C5F82;
  --color-accent-light: #3D78A0;
  --color-accent-dark: #1E4560;
  --color-section-bg: #EDF3F8;
  --color-muted: #6B7C8D;
  --color-white: #FFFFFF;
  --color-border: #D8E4EE;
  --color-placeholder: linear-gradient(135deg, #C4D6E4, #DBE9F3);

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --nav-height: 80px;
  --section-padding: 80px 0;
  --section-padding-mobile: 48px 0;
  --container-max: 1200px;
  --container-padding: 0 40px;

  --shadow-card: 0 2px 20px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.12);
  --transition-base: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ------------------------------------------------------------
   Typography
   ------------------------------------------------------------ */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.75rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; font-family: var(--font-body); font-weight: 500; letter-spacing: 0.05em; }

p { color: var(--color-muted); font-size: 1rem; line-height: 1.8; }

/* ------------------------------------------------------------
   Layout
   ------------------------------------------------------------ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-padding);
}

.section { padding: var(--section-padding); }
.section--alt { background-color: var(--color-section-bg); }

/* ------------------------------------------------------------
   Navigation
   ------------------------------------------------------------ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background-color 0.4s ease, box-shadow 0.4s ease;
}

.nav.scrolled {
  background-color: rgba(249, 250, 251, 0.97);
  box-shadow: 0 1px 0 var(--color-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

.nav__logo span { color: var(--color-accent); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__links a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition-base);
}

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

.nav__cta {
  display: flex;
  align-items: center;
  gap: 32px;
}

/* ------------------------------------------------------------
   Buttons
   ------------------------------------------------------------ */
.btn-primary {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background-color var(--transition-base), transform var(--transition-base);
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-1px);
}

.btn-outline {
  display: inline-block;
  background-color: transparent;
  color: var(--color-text);
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--color-accent);
  border-radius: 0;
  cursor: pointer;
  transition: background-color var(--transition-base), color var(--transition-base), transform var(--transition-base);
  white-space: nowrap;
}

.btn-outline:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #E8F0F8 0%, #F9FAFB 60%, #DCE9F4 100%);
  text-align: center;
  padding: calc(var(--nav-height) + 60px) 40px 80px;
}

.hero__inner { max-width: 760px; }

.hero__eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 28px;
  display: block;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 28px;
}

.hero__title em {
  font-style: italic;
  color: var(--color-accent);
}

.hero__sub {
  font-size: 1.0625rem;
  color: var(--color-muted);
  line-height: 1.75;
  margin-bottom: 48px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero--short {
  min-height: 40vh;
  padding: calc(var(--nav-height) + 40px) 40px 60px;
}

.hero--short .hero__title { font-size: clamp(2rem, 4vw, 3rem); }

/* ------------------------------------------------------------
   Trust Strip
   ------------------------------------------------------------ */
.trust-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 36px 0;
  background-color: var(--color-white);
}

.trust-strip__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.trust-item {
  flex: 1 1 200px;
  text-align: center;
  padding: 16px 24px;
  position: relative;
}

.trust-item + .trust-item::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  height: 40px; width: 1px;
  background-color: var(--color-border);
}

.trust-item__number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 6px;
}

.trust-item__label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ------------------------------------------------------------
   Services Grid
   ------------------------------------------------------------ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 60px;
}

.service-card {
  background-color: var(--color-white);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.service-card__icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background-color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  opacity: 0.9;
}

.service-card__icon svg {
  width: 18px; height: 18px;
  stroke: var(--color-white);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.1875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 12px;
}

.service-card__desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}

.service-card__link {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base);
}

.service-card__link:hover { border-bottom-color: var(--color-accent); }

/* ------------------------------------------------------------
   Section Headers
   ------------------------------------------------------------ */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-header__eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section-header__title { color: var(--color-text); margin-bottom: 16px; }

.section-header__sub {
  font-size: 1rem;
  color: var(--color-muted);
  line-height: 1.75;
}

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

.about-preview__content { padding-right: 20px; }

.about-preview__eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.about-preview__title { color: var(--color-text); margin-bottom: 24px; }

.about-preview__text {
  font-size: 1rem;
  color: var(--color-muted);
  line-height: 1.85;
  margin-bottom: 16px;
}

.about-preview__text + .about-preview__text { margin-bottom: 36px; }

.about-preview__image {
  aspect-ratio: 3 / 4;
  background: var(--color-placeholder);
  position: relative;
  overflow: hidden;
}

.about-preview__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(26, 35, 50, 0.08) 100%);
}

/* ------------------------------------------------------------
   Testimonials
   ------------------------------------------------------------ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 60px;
}

.testimonial-card {
  background-color: var(--color-white);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  position: relative;
}

.testimonial-card__quote-mark {
  font-family: var(--font-heading);
  font-size: 5rem;
  line-height: 0.6;
  color: var(--color-accent);
  opacity: 0.2;
  display: block;
  margin-bottom: 20px;
}

.testimonial-card__text {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.85;
  margin-bottom: 28px;
  font-style: italic;
  font-family: var(--font-heading);
}

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

.testimonial-card__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-placeholder);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.testimonial-card__treatment {
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-top: 2px;
}

.testimonial-card__stars {
  display: flex;
  gap: 3px;
  margin-bottom: 20px;
}

.testimonial-card__stars span {
  color: #E8A020;
  font-size: 0.875rem;
}

/* ------------------------------------------------------------
   Treatment Sections (Services Page)
   ------------------------------------------------------------ */
.treatment-section {
  padding: 64px 0;
  border-bottom: 1px solid var(--color-border);
}

.treatment-section:last-child { border-bottom: none; }

.treatment-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.treatment-section__inner.reverse { direction: rtl; }
.treatment-section__inner.reverse > * { direction: ltr; }

.treatment-section__image {
  aspect-ratio: 4 / 3;
  background: var(--color-placeholder);
  position: relative;
}

.treatment-section__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(44, 95, 130, 0.08), transparent);
}

.treatment-section__eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.treatment-section__title {
  color: var(--color-text);
  margin-bottom: 20px;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
}

.treatment-section__desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.85;
  margin-bottom: 28px;
}

.treatment-section__benefits { margin-bottom: 32px; }

.treatment-section__benefits li {
  font-size: 0.9375rem;
  color: var(--color-muted);
  padding: 8px 0 8px 24px;
  position: relative;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.5;
}

.treatment-section__benefits li:last-child { border-bottom: none; }

.treatment-section__benefits li::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 1px;
  background-color: var(--color-accent);
}

.treatment-section__pricing {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 20px 24px;
  background-color: var(--color-section-bg);
  margin-bottom: 28px;
}

.treatment-section__price {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  color: var(--color-text);
}

.treatment-section__price-note {
  font-size: 0.8125rem;
  color: var(--color-muted);
}

/* ------------------------------------------------------------
   Why Grid
   ------------------------------------------------------------ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 60px;
}

.why-card {
  text-align: center;
  padding: 40px 24px;
  background-color: var(--color-white);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.why-card__icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background-color: var(--color-section-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  border: 1px solid var(--color-border);
}

.why-card__icon svg {
  width: 22px; height: 22px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.why-card__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: 12px;
}

.why-card__text { font-size: 0.9rem; color: var(--color-muted); line-height: 1.75; }

/* ------------------------------------------------------------
   Contact
   ------------------------------------------------------------ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}

.contact-info__eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.contact-info__title {
  color: var(--color-text);
  font-size: clamp(1.4rem, 2.5vw, 1.875rem);
  margin-bottom: 24px;
}

.contact-info__intro {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.85;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
  font-style: italic;
  font-family: var(--font-heading);
}

.contact-detail {
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-detail__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.contact-detail__value {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.6;
}

.contact-detail__value a {
  color: var(--color-text);
  transition: color var(--transition-base);
}

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

.contact-form-wrap {
  background-color: var(--color-white);
  padding: 48px;
  box-shadow: var(--shadow-card);
}

.contact-form__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.contact-form__sub {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group { margin-bottom: 20px; }
.form-group--full { grid-column: 1 / -1; }

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form-label span { color: var(--color-accent); }

.form-control {
  width: 100%;
  padding: 13px 16px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  transition: border-color var(--transition-base);
  appearance: none;
  -webkit-appearance: none;
}

.form-control:focus { outline: none; border-color: var(--color-accent); }
.form-control::placeholder { color: rgba(107, 124, 141, 0.5); }
textarea.form-control { resize: vertical; min-height: 120px; line-height: 1.6; }

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7C8D' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 28px;
  margin-top: 8px;
}

.form-checkbox input[type="checkbox"] {
  width: 18px; height: 18px;
  margin-top: 2px;
  accent-color: var(--color-accent);
  flex-shrink: 0;
  cursor: pointer;
}

.form-checkbox label {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  cursor: pointer;
}

.form-submit { width: 100%; padding: 16px; font-size: 0.875rem; }

.map-placeholder {
  margin-top: 32px;
  height: 200px;
  background: var(--color-placeholder);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-placeholder__label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.footer {
  background-color: var(--color-text);
  color: var(--color-white);
  padding: 64px 0 32px;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__logo span { color: #6FB3D8; }

.footer__tagline {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
  max-width: 240px;
}

.footer__heading {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #6FB3D8;
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-base);
}

.footer__links a:hover { color: var(--color-white); }

.footer__contact-item {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  margin-bottom: 10px;
}

.footer__contact-item strong { color: var(--color-white); font-weight: 500; }

.footer__bottom {
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer__copy { font-size: 0.8125rem; color: rgba(255, 255, 255, 0.35); }

.footer__legal { display: flex; gap: 24px; }

.footer__legal a {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.35);
  transition: color var(--transition-base);
}

.footer__legal a:hover { color: rgba(255, 255, 255, 0.7); }

/* ------------------------------------------------------------
   Dividers
   ------------------------------------------------------------ */
.divider {
  width: 40px; height: 1px;
  background-color: var(--color-accent);
  margin: 20px auto;
}

.divider--left { margin-left: 0; }

/* ------------------------------------------------------------
   CTA Banner
   ------------------------------------------------------------ */
.cta-banner {
  background-color: var(--color-accent-dark);
  padding: 80px 40px;
  text-align: center;
}

.cta-banner__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-banner__sub {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-banner .btn-primary {
  background-color: var(--color-white);
  color: var(--color-accent-dark);
}

.cta-banner .btn-primary:hover { background-color: #EDF3F8; }

.cta-banner .btn-outline {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.cta-banner .btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}

/* ------------------------------------------------------------
   Responsive — 1024px
   ------------------------------------------------------------ */
@media (max-width: 1024px) {
  :root { --container-padding: 0 32px; }

  .footer__top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .about-preview { gap: 48px; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .treatment-section__inner { gap: 48px; }
  .contact-layout { gap: 48px; }
}

/* ------------------------------------------------------------
   Responsive — 640px
   ------------------------------------------------------------ */
@media (max-width: 640px) {
  :root { --container-padding: 0 20px; --nav-height: 64px; }

  .section { padding: var(--section-padding-mobile); }
  .nav__links { display: none; }
  .nav__cta .btn-primary { padding: 10px 20px; font-size: 0.75rem; }
  .services-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .about-preview { grid-template-columns: 1fr; gap: 40px; }
  .about-preview__content { padding-right: 0; }
  .about-preview__image { aspect-ratio: 4 / 3; }
  .trust-strip__inner { flex-direction: column; gap: 0; }
  .trust-item + .trust-item::before { display: none; }
  .trust-item { border-bottom: 1px solid var(--color-border); width: 100%; }
  .trust-item:last-child { border-bottom: none; }
  .footer__top { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .why-grid { grid-template-columns: 1fr; }
  .treatment-section__inner { grid-template-columns: 1fr; gap: 32px; }
  .treatment-section__inner.reverse { direction: ltr; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .contact-form-wrap { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: center; }
  .cta-banner__actions { flex-direction: column; align-items: center; }
  .treatment-section__pricing { flex-direction: column; gap: 8px; text-align: center; }

  .nav__logo { font-size: 1rem; letter-spacing: 0.04em; }
  .nav__logo span { display: none; }
}