/* ========================================
   DESIGN SYSTEM — Dr. Juan Giménez
   Mobile-first aesthetic clinic landing page
   ======================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors — Soft elegant blue palette */
  --primary: #3a7ca5;
  --primary-light: #4d93bd;
  --primary-dark: #2d6484;
  --primary-50: rgba(58, 124, 165, 0.07);
  --primary-100: rgba(58, 124, 165, 0.14);
  --accent: #e5b75a;
  --accent-light: #f7d084;
  --accent-dark: #c49635;
  --bg: #ffffff;
  --bg-alt: #f5f7f9;
  --bg-dark: #1a3a5c;
  --text: #1a1d26;
  --text-light: #545b68;
  --text-lighter: #8a919c;
  --border: #e2e6ea;
  --border-light: #f0f2f4;
  --white: #ffffff;
  --success: #16a34a;
  --error: #dc2626;

  /* Typography */
  --ff-body: 'Inter', system-ui, -apple-system, sans-serif;
  --ff-heading: 'Playfair Display', Georgia, serif;
  --fs-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --fs-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --fs-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  --fs-md: clamp(1rem, 0.9rem + 0.5vw, 1.15rem);
  --fs-lg: clamp(1.15rem, 1rem + 0.75vw, 1.35rem);
  --fs-xl: clamp(1.4rem, 1.1rem + 1.5vw, 1.8rem);
  --fs-2xl: clamp(1.8rem, 1.3rem + 2.5vw, 2.5rem);
  --fs-3xl: clamp(2.2rem, 1.5rem + 3.5vw, 3.2rem);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --section-pad: clamp(3rem, 5vw, 6rem);

  /* Borders */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.12);
  --shadow-card: 0 2px 8px rgba(0,0,0,0.06), 0 8px 24px rgba(0,0,0,0.06);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--primary-dark); }

ul { list-style: none; }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--ff-body);
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.2;
}

.btn--sm {
  font-size: var(--fs-sm);
  padding: 0.5rem 1.25rem;
}

.btn--md {
  font-size: var(--fs-base);
  padding: 0.75rem 1.75rem;
}

.btn--lg {
  font-size: var(--fs-base);
  padding: 0.875rem 2rem;
}

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

.btn--primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(58, 124, 165, 0.35);
}

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

.btn--outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

/* ---------- Section Header ---------- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section-header__tag {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.section-header__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section-header__desc {
  font-size: var(--fs-md);
  color: var(--text-light);
  line-height: 1.7;
}

/* ---------- HEADER ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.header--scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--text);
}

.header__logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.header__logo-icon {
  font-size: 1.4rem;
  color: var(--primary);
}

.header__logo-text {
  display: flex;
  flex-direction: column;
}

.header__name {
  font-family: var(--ff-heading);
  font-size: var(--fs-base);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
}

.header__subtitle {
  font-size: var(--fs-xs);
  color: var(--text-light);
  letter-spacing: 0.05em;
}

.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.header__nav-link {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-light);
  transition: color var(--transition-fast);
  position: relative;
}

.header__nav-link:hover {
  color: var(--primary);
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-base);
}

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

.header__nav-link--cta {
  background: var(--primary);
  color: var(--white) !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.header__nav-link--cta:hover {
  background: var(--primary-dark);
  color: var(--white) !important;
}

.header__nav-link--cta::after {
  display: none;
}

/* Burger */
.header__burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.header__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.header__burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__burger.active span:nth-child(2) {
  opacity: 0;
}

.header__burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.header__nav.active {
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  background: var(--white);
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

.header__nav.active .header__nav-list {
  flex-direction: column;
  gap: var(--space-2xl);
}

.header__nav.active .header__nav-link {
  font-size: var(--fs-xl);
  color: var(--text);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: calc(70px + var(--space-3xl)) 0 var(--space-3xl);
  background: linear-gradient(135deg, var(--bg-alt) 0%, var(--white) 50%, rgba(13, 107, 94, 0.03) 100%);
  overflow: hidden;
}

.hero__bg-overlay {
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(13, 107, 94, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2xl);
  position: relative;
}

.hero__content {
  text-align: center;
  max-width: 560px;
}

.hero__tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-md);
  background: var(--primary-50);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
}

.hero__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-3xl);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: var(--space-lg);
}

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

.hero__description {
  font-size: var(--fs-md);
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.hero__cta {
  margin-bottom: var(--space-md);
}

.hero__trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  color: var(--text-lighter);
}

.hero__trust svg {
  color: var(--primary);
  flex-shrink: 0;
}

.hero__image-wrapper {
  position: relative;
  width: 280px;
  height: 280px;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--white);
  box-shadow: var(--shadow-xl), 0 0 0 8px var(--primary-50);
}

.hero__image-badge {
  position: absolute;
  bottom: 10px;
  right: -10px;
  background: var(--primary);
  color: var(--white);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: float 3s ease-in-out infinite;
}

.hero__badge-number {
  display: block;
  font-size: var(--fs-xl);
  font-weight: 700;
  line-height: 1;
}

.hero__badge-text {
  font-size: var(--fs-xs);
  opacity: 0.9;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ---------- STATS ---------- */
.stats {
  padding: var(--space-2xl) 0;
  background: var(--primary);
  color: var(--white);
}

.stats__inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

.stats__item {
  padding: var(--space-md);
}

.stats__number {
  font-family: var(--ff-heading);
  font-size: var(--fs-2xl);
  font-weight: 700;
  line-height: 1;
}

.stats__suffix {
  font-family: var(--ff-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
}

.stats__label {
  display: block;
  font-size: var(--fs-xs);
  opacity: 0.85;
  margin-top: var(--space-xs);
  letter-spacing: 0.02em;
}

.stats__divider {
  display: none;
}

/* ---------- SERVICES ---------- */
.services {
  padding: var(--section-pad) 0;
  background: var(--bg-alt);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}

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

.service-card__image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.service-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.service-card:hover .service-card__image {
  transform: scale(1.05);
}

.service-card__badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: var(--primary);
  color: var(--white);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
}

.service-card__badge--alt {
  background: var(--accent);
  color: var(--bg-dark);
}

.service-card__body {
  padding: var(--space-lg);
}

.service-card__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.service-card__desc {
  font-size: var(--fs-sm);
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.service-card__cta {
  width: 100%;
}

/* ---------- WHY US ---------- */
.why-us {
  padding: var(--section-pad) 0;
  background: var(--white);
}

.why-us__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.why-us__card {
  text-align: center;
  padding: var(--space-xl);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.why-us__card:hover {
  border-color: var(--primary-100);
  background: var(--primary-50);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.why-us__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--primary-50);
  border-radius: var(--radius-lg);
  color: var(--primary);
  margin-bottom: var(--space-lg);
}

.why-us__card-title {
  font-family: var(--ff-heading);
  font-size: var(--fs-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.why-us__card-desc {
  font-size: var(--fs-sm);
  color: var(--text-light);
  line-height: 1.6;
}

/* ---------- DOCTOR ---------- */
.doctor {
  padding: var(--section-pad) 0;
  background: var(--bg-alt);
}

.doctor__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2xl);
}

.doctor__image-col {
  width: 100%;
  max-width: 320px;
}

.doctor__image-frame {
  position: relative;
}

.doctor__image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.doctor__image-accent {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 100%;
  height: 100%;
  border: 3px solid var(--primary);
  border-radius: var(--radius-xl);
  z-index: -1;
  opacity: 0.3;
}

.doctor__content {
  text-align: center;
}

.doctor__content .section-header__tag,
.doctor__content .section-header__title {
  text-align: center;
}

.doctor__role {
  font-size: var(--fs-md);
  color: var(--primary);
  font-weight: 500;
  margin-bottom: var(--space-lg);
}

.doctor__bio {
  font-size: var(--fs-base);
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.doctor__credentials {
  margin: var(--space-xl) 0;
  text-align: left;
  display: inline-block;
}

.doctor__credentials li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text);
  padding: var(--space-sm) 0;
}

.doctor__credentials svg {
  color: var(--primary);
  flex-shrink: 0;
}

/* ---------- TESTIMONIALS ---------- */
.testimonials {
  padding: var(--section-pad) 0;
  background: var(--white);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.testimonial-card {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-100);
}

.testimonial-card__stars {
  color: var(--accent);
  font-size: var(--fs-lg);
  margin-bottom: var(--space-md);
  letter-spacing: 2px;
}

.testimonial-card__text {
  font-size: var(--fs-base);
  color: var(--text);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial-card__footer {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--fs-sm);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--text);
  font-style: normal;
  display: block;
}

.testimonial-card__treatment {
  font-size: var(--fs-xs);
  color: var(--text-light);
}

/* ---------- CONTACT / FORM ---------- */
.contact {
  padding: var(--section-pad) 0;
  background: linear-gradient(170deg, var(--bg-dark) 0%, #1e4470 100%);
  color: var(--white);
}

.contact__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.contact__info .section-header__tag {
  color: var(--accent);
}

.contact__info .section-header__title {
  color: var(--white);
  text-align: left;
}

.contact__desc {
  font-size: var(--fs-base);
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.contact__benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact__benefit {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}

.contact__benefit svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* Form */
.contact__form {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-xl);
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-sm);
}

.form__input {
  width: 100%;
  padding: 0.8rem 1rem;
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  color: var(--text);
  background: var(--bg-alt);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form__input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 4px var(--primary-50);
}

.form__input::placeholder {
  color: var(--text-lighter);
}

.form__input:user-invalid {
  border-color: var(--error);
}

.form__select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%235a6270' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.form__textarea {
  resize: vertical;
  min-height: 80px;
}

.form__consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.form__checkbox {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--primary);
  cursor: pointer;
}

.form__label--consent {
  font-size: var(--fs-xs);
  font-weight: 400;
  color: var(--text-light);
  line-height: 1.5;
}

.form__link {
  color: var(--primary);
  text-decoration: underline;
}

.form__submit {
  width: 100%;
  font-size: var(--fs-md);
  padding: 1rem 2rem;
}

.form__success {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
}

.form__success svg {
  color: var(--success);
  margin-bottom: var(--space-md);
}

.form__success h3 {
  font-family: var(--ff-heading);
  font-size: var(--fs-xl);
  color: var(--text);
  margin-bottom: var(--space-sm);
}

.form__success p {
  color: var(--text-light);
  font-size: var(--fs-base);
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-3xl) 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.footer__brand .header__logo {
  margin-bottom: var(--space-md);
}

.footer__logo-img {
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

.footer__brand .header__name {
  color: var(--white);
}

.footer__brand .header__subtitle {
  color: rgba(255, 255, 255, 0.5);
}

.footer__brand .header__logo-icon {
  color: var(--accent);
}

.footer__tagline {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  max-width: 300px;
}

.footer__heading {
  color: var(--white);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__links li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer__links a {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

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

.footer__links svg {
  color: var(--primary-light);
  flex-shrink: 0;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-lg) 0;
}

.footer__bottom p {
  font-size: var(--fs-xs);
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
}

/* ---------- MOBILE STICKY CTA ---------- */
.mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  z-index: 999;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.mobile-cta.visible {
  transform: translateY(0);
}

.mobile-cta__btn {
  width: 100%;
}

/* ---------- REVEAL ANIMATION ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- RESPONSIVE: Tablet (768px+) ---------- */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-xl);
  }

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

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

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

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

  .testimonials__grid .testimonial-card:last-child {
    grid-column: 1 / -1;
    max-width: 50%;
    justify-self: center;
  }

  .contact__inner {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-3xl);
  }

  .contact__info {
    flex: 1;
    position: sticky;
    top: 100px;
  }

  .contact__form {
    flex: 1;
    max-width: 480px;
  }

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

  .doctor__inner {
    flex-direction: row;
    align-items: center;
  }

  .doctor__image-col {
    flex-shrink: 0;
  }

  .doctor__content {
    text-align: left;
  }

  .doctor__content .section-header__tag,
  .doctor__content .section-header__title {
    text-align: left;
  }

  .hero__inner {
    flex-direction: row;
    text-align: left;
  }

  .hero__content {
    text-align: left;
    flex: 1;
  }

  .hero__trust {
    justify-content: flex-start;
  }

  .hero__image-wrapper {
    width: 340px;
    height: 340px;
    flex-shrink: 0;
  }
}

/* ---------- RESPONSIVE: Desktop (1024px+) ---------- */
@media (min-width: 1024px) {
  .header__nav {
    display: flex;
  }

  .header__burger {
    display: none;
  }

  .mobile-cta {
    display: none;
  }

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

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

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

  .testimonials__grid .testimonial-card:last-child {
    grid-column: auto;
    max-width: none;
  }

  .hero__image-wrapper {
    width: 400px;
    height: 400px;
  }

  .contact__form {
    padding: var(--space-2xl);
  }

  .doctor__image-col {
    max-width: 380px;
  }
}

/* ---------- Reduce motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__image-badge {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ---------- Fade-in for page load ---------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- WHATSAPP FLOATING BUTTON ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 90px;
  right: var(--space-lg);
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 998;
  transition: all var(--transition-base);
  animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: #ffffff;
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 25px rgba(37, 211, 102, 0.6), 0 0 0 8px rgba(37, 211, 102, 0.1); }
}

@media (min-width: 1024px) {
  .whatsapp-float {
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 64px;
    height: 64px;
  }

  .whatsapp-float svg {
    width: 36px;
    height: 36px;
  }
}

/* ---------- ADDRESS STYLES ---------- */
.footer__address {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.footer__address strong {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
  display: block;
  margin-bottom: var(--space-xs);
}