/* ===== CSS RESET & VARIABLES ===== */
:root {
  /* Colors - Premium Medical Palette */
  --color-white: #ffffff;
  --color-light-blue: #eaf6ff;
  --color-blue: #1e88e5;
  --color-blue-dark: #1565c0;
  --color-cyan: #0ea5e9;
  --color-cyan-light: #67b8e3;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-black: #000000;

  /* Typography */
  --font-family:
    Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial,
    "Apple Color Emoji", "Segoe UI Emoji";
  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem; /* 16px */
  --font-size-lg: 1.125rem; /* 18px */
  --font-size-xl: 1.25rem; /* 20px */
  --font-size-2xl: 1.5rem; /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem; /* 36px */
  --font-size-5xl: 3rem; /* 48px */

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --space-1: 0.25rem; /* 4px */
  --space-2: 0.5rem; /* 8px */
  --space-3: 0.75rem; /* 12px */
  --space-4: 1rem; /* 16px */
  --space-5: 1.25rem; /* 20px */
  --space-6: 1.5rem; /* 24px */
  --space-8: 2rem; /* 32px */
  --space-10: 2.5rem; /* 40px */
  --space-12: 3rem; /* 48px */
  --space-16: 4rem; /* 64px */
  --space-20: 5rem; /* 80px */
  --space-24: 6rem; /* 96px */

  /* Shadows - Premium */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl:
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(30, 136, 229, 0.25);

  /* Radii */
  --radius-sm: 0.25rem; /* 4px */
  --radius-md: 0.375rem; /* 6px */
  --radius-lg: 0.5rem; /* 8px */
  --radius-xl: 0.75rem; /* 12px */
  --radius-2xl: 1rem; /* 16px */
  --radius-3xl: 1.5rem; /* 24px */

  /* Z-index */
  --z-sticky: 50;
  --z-modal: 100;
  --z-tooltip: 200;
}

/* ===== RESET ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--font-size-3xl);
}
h2 {
  font-size: var(--font-size-2xl);
}
h3 {
  font-size: var(--font-size-xl);
}
h4 {
  font-size: var(--font-size-lg);
}

p {
  margin: 0 0 var(--space-4) 0;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
  min-height: 48px;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: linear-gradient(
    135deg,
    var(--color-blue) 0%,
    var(--color-cyan) 100%
  );
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(30, 136, 229, 0.3);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(30, 136, 229, 0.4);
}
.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  background-color: white;
  color: black;
  border-color: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
}
.btn--outline:hover {
  background-color: rgba(255, 255, 255, 0.8);
  border-color: rgba(255, 255, 255, 0.8);
  transform: translateY(-2px);
}

.btn--outline-dark {
  background-color: transparent;
  color: var(--color-blue);
  border-color: var(--color-blue);
}
.btn--outline-dark:hover {
  background-color: var(--color-blue);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--full {
  width: 100%;
}

/* ===== HEADER / NAVIGATION ===== */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-gray-200);
  transition:
    background 0.3s ease,
    box-shadow 0.3s ease;
}
.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  max-width: 1200px;
  margin: 0 auto;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-gray-800);
  transition: transform 0.2s ease;
}
.header__logo:hover {
  transform: scale(1.02);
}
.header__logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-blue);
}
.header__logo-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
}
.header__logo-text span {
  color: var(--color-blue);
}

/* Burger Button */
.burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: calc(var(--z-sticky) + 10);
  transition: background 0.2s ease;
}
.burger:hover {
  background: var(--color-gray-100);
}
.burger__line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-gray-700);
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
  border-radius: 2px;
}
.burger[aria-expanded="true"] .burger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger[aria-expanded="true"] .burger__line:nth-child(2) {
  opacity: 0;
}
.burger[aria-expanded="true"] .burger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  height: 100vh;
  background: var(--color-white);
  box-shadow: var(--shadow-xl);
  padding: var(--space-20) var(--space-6) var(--space-6);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: calc(var(--z-sticky) + 5);
  overflow-y: auto;
}
.nav.active {
  transform: translateX(0);
}
.nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.nav__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-gray-700);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  border-radius: var(--radius-md);
  transition:
    color 0.2s ease,
    background 0.2s ease;
  position: relative;
}
.nav__link:hover,
.nav__link.active {
  color: var(--color-blue);
  background: var(--color-light-blue);
}
.nav__link.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--color-blue);
  border-radius: 0 2px 2px 0;
}

/* Overlay for mobile menu */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
  z-index: calc(var(--z-sticky) + 4);
  backdrop-filter: blur(4px);
}
.nav-overlay.active {
  visibility: visible;
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  overflow: hidden;
  /* Premium gradient background */
  background: linear-gradient(135deg, #1e88e5 0%, #0d47a1 50%, #0ea5e9 100%);
}

.hero__bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at 30% 50%,
      rgba(255, 255, 255, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 70% 50%,
      rgba(255, 255, 255, 0.08) 0%,
      transparent 50%
    );
}

.hero__container {
  position: relative;
  z-index: 10;
  padding: var(--space-8) var(--space-4);
  max-width: 800px;
  margin: 0 auto;
}

.hero__title {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  line-height: 1.1;
}

.hero__subtitle {
  font-size: var(--font-size-base);
  max-width: 600px;
  margin: 0 auto var(--space-6);
  opacity: 0.95;
  line-height: 1.7;
  font-weight: var(--font-weight-light);
}

.hero__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
}

/* ===== SECTIONS ===== */
.section {
  padding: var(--space-12) 0;
}
.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-10);
  padding: 0 var(--space-4);
}
.section__label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-blue);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-2);
  position: relative;
  padding-bottom: var(--space-1);
}
.section__label::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-cyan));
  border-radius: 2px;
}
.section__title {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  margin-bottom: var(--space-3);
  font-weight: var(--font-weight-bold);
}
.section__desc {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
  margin: 0;
  line-height: 1.7;
}

/* ===== ABOUT SECTION ===== */
.about {
  background: var(--color-white);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: 0 var(--space-4);
  max-width: 1000px;
  margin: 0 auto;
}
.about__card {
  background: var(--color-light-blue);
  padding: var(--space-6);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(30, 136, 229, 0.1);
  transition:
    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}
.about__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.about__card:hover::before {
  transform: scaleX(1);
}
.about__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.about__card-icon {
  width: 56px;
  height: 56px;
  color: var(--color-blue);
  margin-bottom: var(--space-4);
  background: rgba(30, 136, 229, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.about__card-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
}
.about__card-text {
  color: var(--color-gray-700);
  margin: 0;
  line-height: 1.6;
}

/* ===== SERVICES SECTION ===== */
.services {
  background: var(--color-gray-100);
}
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: 0 var(--space-4);
  max-width: 1100px;
  margin: 0 auto;
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  transition:
    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}
.service-card__icon {
  width: 64px;
  height: 64px;
  color: var(--color-blue);
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--color-light-blue), #e3f2fd);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
}
.service-card__desc {
  color: var(--color-gray-600);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}
.service-card__link {
  color: var(--color-blue);
  font-weight: var(--font-weight-semibold);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap 0.2s ease;
}
.service-card__link:hover {
  gap: var(--space-3);
}

/* ===== WHY US SECTION ===== */
.why-us {
  background: linear-gradient(
    180deg,
    var(--color-white) 0%,
    var(--color-light-blue) 100%
  );
  position: relative;
  overflow: hidden;
}
.why-us::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(30, 136, 229, 0.05) 0%,
    transparent 70%
  );
  border-radius: 50%;
}
.why-us__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: 0 var(--space-4);
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.why-us__item {
  background: var(--color-white);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  transition:
    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s ease,
    border-color 0.3s ease;
  gap: var(--space-4);
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}
.why-us__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.why-us__item:hover::before {
  transform: scaleX(1);
}
.why-us__item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(30, 136, 229, 0.25);
}
.why-us__item-icon {
  width: 56px;
  height: 56px;
  color: var(--color-blue);
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--color-light-blue), #e3f2fd);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}
.why-us__item:hover .why-us__item-icon {
  transform: scale(1.08);
}
.why-us__item-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
  padding-top: 15px;
}
.why-us__item-text {
  color: var(--color-gray-600);
  margin: 0;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* ===== DOCTORS SECTION ===== */
.doctors {
  background: var(--color-gray-100);
}
.doctors__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: 0 var(--space-4);
  max-width: 1100px;
  margin: 0 auto;
}
.doctor-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition:
    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s ease;
}
.doctor-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.doctor-card__image {
  aspect-ratio: 4/5;
  background: var(--color-gray-100);
  overflow: hidden;
  position: relative;
}
.doctor-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.doctor-card:hover .doctor-card__image img {
  transform: scale(1.05);
}
.doctor-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-light-blue), #e3f2fd);
  color: var(--color-blue);
}
.doctor-card__info {
  padding: var(--space-5);
}
.doctor-card__name {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
}
.doctor-card__specialty {
  color: var(--color-blue);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
}
.doctor-card__exp {
  color: var(--color-gray-600);
  margin: 0;
  font-size: var(--font-size-sm);
}

/* ===== REVIEWS SECTION ===== */
.reviews {
  background: var(--color-white);
  position: relative;
}
.reviews::before {
  content: "";
  position: absolute;
  bottom: -50%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(14, 165, 233, 0.03) 0%,
    transparent 70%
  );
  border-radius: 50%;
}
.reviews__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: 0 var(--space-4);
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.review-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  position: relative;
}
.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.review-card::before {
  content: "\201C";
  position: absolute;
  top: 20px;
  left: 24px;
  font-size: 4rem;
  line-height: 1;
  color: var(--color-light-blue);
  font-family: Georgia, serif;
  opacity: 0.5;
}
.review-card__stars {
  font-size: var(--font-size-lg);
  color: #fbbf24;
  margin-bottom: var(--space-3);
  letter-spacing: 2px;
}
.review-card__text {
  font-style: italic;
  color: var(--color-gray-700);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  line-height: 1.7;
  position: relative;
  z-index: 1;
}
.review-card__author {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.review-card__name {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
}
.review-card__service {
  color: var(--color-gray-500);
  font-size: var(--font-size-xs);
}

/* ===== PRICING SECTION ===== */
.pricing {
  background: var(--color-gray-100);
}
.pricing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: 0 var(--space-4);
  max-width: 1000px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  position: relative;
  transition:
    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s ease;
}
.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.pricing-card--featured {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 2px rgba(30, 136, 229, 0.1);
  position: relative;
}
.pricing-card--featured::before {
  content: "Популярний";
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: linear-gradient(135deg, var(--color-blue), var(--color-cyan));
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.pricing-card__header {
  text-align: center;
  margin-bottom: var(--space-4);
}
.pricing-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
}
.pricing-card__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-1);
}
.pricing-card__amount {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-800);
}
.pricing-card__currency {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
}
.pricing-card__list {
  list-style: none;
  margin: 0 0 var(--space-6) 0;
  padding: 0;
}
.pricing-card__list li {
  padding: var(--space-2) 0;
  border-bottom: 1px dashed var(--color-gray-200);
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.pricing-card__list li::before {
  content: "✓";
  color: var(--color-blue);
  font-weight: var(--font-weight-bold);
}
.pricing-card__list li:last-child {
  border-bottom: none;
}
.pricing-card__btn {
  width: 100%;
}

/* ===== CONTACT FORM SECTION ===== */
.contact-form {
  background: linear-gradient(135deg, var(--color-light-blue) 0%, #e3f2fd 100%);
  position: relative;
  overflow: hidden;
}
.contact-form::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(30, 136, 229, 0.05) 0%,
    transparent 70%
  );
  border-radius: 50%;
}
.form {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  position: relative;
  z-index: 1;
}
.form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form__label {
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
}
.form__input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
  min-height: 48px;
  background: var(--color-white);
}
.form__input:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}
.form__input::placeholder {
  color: var(--color-gray-400);
}
.form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
  cursor: pointer;
}
.form__textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.6;
}
.form__checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
}
.form__checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-blue);
  cursor: pointer;
}
.form__error {
  color: #dc2626;
  font-size: var(--font-size-xs);
  min-height: 1.2em;
}
.form__message {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #d1fae5;
  display: none;
  font-size: var(--font-size-sm);
  line-height: 1.5;
}
.form__message.show {
  display: block;
}
.form__footer {
  margin-bottom: var(--space-4);
}

/* ===== CONTACTS SECTION ===== */
.contacts {
  background: var(--color-white);
}
.contacts__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding: 0 var(--space-4);
  max-width: 1000px;
  margin: 0 auto;
}
.contacts__info {
  display: grid;
  gap: var(--space-4);
}
.contacts__item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}
.contacts__item-icon {
  width: 40px;
  height: 40px;
  color: var(--color-blue);
  flex-shrink: 0;
  background: var(--color-light-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contacts__item-text strong {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}
.contacts__item-text p {
  margin: 0;
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}
.contacts__item-text a {
  color: var(--color-blue);
  transition: color 0.2s ease;
}
.contacts__item-text a:hover {
  color: var(--color-blue-dark);
  text-decoration: underline;
}
.contacts__map {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 300px;
}
.contacts__map iframe {
  width: 100%;
  height: 100%;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--space-12) 0 var(--space-6);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: 0 var(--space-4);
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}
.footer__brand {
  text-align: center;
}
.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-white);
  margin-bottom: var(--space-3);
  transition: transform 0.2s ease;
}
.footer__logo:hover {
  transform: scale(1.02);
}
.footer__logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-cyan);
}
.footer__logo-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}
.footer__logo-text span {
  color: var(--color-cyan);
}
.footer__tagline {
  color: var(--color-gray-400);
  margin: 0;
  font-size: var(--font-size-sm);
}
.footer__nav-title {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-3);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
}
.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer__nav-list a {
  color: var(--color-gray-400);
  transition: color 0.2s ease;
  font-size: var(--font-size-sm);
}
.footer__nav-list a:hover {
  color: var(--color-cyan);
}
.footer__contact p {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}
.footer__contact a {
  color: var(--color-cyan);
  transition: color 0.2s ease;
}
.footer__contact a:hover {
  color: var(--color-white);
}
.footer__bottom {
  border-top: 1px solid var(--color-gray-800);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  text-align: center;
  padding: var(--space-6) var(--space-4);
}
.footer__bottom p {
  margin: 0;
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}
.footer__legal {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-3);
}
.footer__legal a {
  color: var(--color-gray-500);
  font-size: var(--font-size-xs);
  transition: color 0.2s ease;
}
.footer__legal a:hover {
  color: var(--color-cyan);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.fade-in {
  animation: fadeInUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  opacity: 0;
}

/* Staggered animations for grid items */
.about__card:nth-child(1) {
  animation-delay: 0.1s;
}
.about__card:nth-child(2) {
  animation-delay: 0.2s;
}
.about__card:nth-child(3) {
  animation-delay: 0.3s;
}

.service-card:nth-child(1) {
  animation-delay: 0.1s;
}
.service-card:nth-child(2) {
  animation-delay: 0.2s;
}
.service-card:nth-child(3) {
  animation-delay: 0.3s;
}
.service-card:nth-child(4) {
  animation-delay: 0.4s;
}

.why-us__item:nth-child(1) {
  animation-delay: 0.1s;
}
.why-us__item:nth-child(2) {
  animation-delay: 0.2s;
}
.why-us__item:nth-child(3) {
  animation-delay: 0.3s;
}
.why-us__item:nth-child(4) {
  animation-delay: 0.4s;
}
.why-us__item:nth-child(5) {
  animation-delay: 0.5s;
}
.why-us__item:nth-child(6) {
  animation-delay: 0.6s;
}

.doctor-card:nth-child(1) {
  animation-delay: 0.1s;
}
.doctor-card:nth-child(2) {
  animation-delay: 0.2s;
}
.doctor-card:nth-child(3) {
  animation-delay: 0.3s;
}
.doctor-card:nth-child(4) {
  animation-delay: 0.4s;
}

.review-card:nth-child(1) {
  animation-delay: 0.1s;
}
.review-card:nth-child(2) {
  animation-delay: 0.2s;
}
.review-card:nth-child(3) {
  animation-delay: 0.3s;
}

.pricing-card:nth-child(1) {
  animation-delay: 0.1s;
}
.pricing-card:nth-child(2) {
  animation-delay: 0.2s;
}
.pricing-card:nth-child(3) {
  animation-delay: 0.3s;
}

/* ===== MEDIA QUERIES ===== */

/* Tablet (768px+) */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-6);
  }

  .hero {
    min-height: 85vh;
  }
  .hero__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
  }
  .hero__subtitle {
    font-size: var(--font-size-lg);
  }
  .hero__buttons {
    flex-direction: row;
    justify-content: center;
  }

  .section {
    padding: var(--space-16) 0;
  }
  .section__title {
    font-size: clamp(2rem, 5vw, 2.5rem);
  }

  .about__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .why-us__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .doctors__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .reviews__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .pricing__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }

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

  .contacts__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-10);
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
  .footer__brand {
    grid-column: 1 / -1;
    text-align: left;
  }
  .footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
  .footer__legal {
    margin-top: 0;
  }
}

/* Desktop (1200px+) */
@media (min-width: 1200px) {
  .container {
    padding: 0 var(--space-8);
  }

  .header__container {
    padding: var(--space-4) var(--space-8);
  }

  /* Show desktop nav, hide burger */
  .burger {
    display: none;
  }

  .nav {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    box-shadow: none;
    padding: 0;
    transform: none;
    overflow: visible;
  }
  .nav__list {
    flex-direction: row;
    gap: var(--space-6);
  }
  .nav__link {
    padding: var(--space-2);
    font-size: var(--font-size-base);
  }
  .nav__link.active::before {
    display: none;
  }
  .nav__link.active {
    background: transparent;
    color: var(--color-blue);
    position: relative;
  }
  .nav__link.active::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-blue), var(--color-cyan));
    border-radius: 2px;
  }

  .hero {
    min-height: 90vh;
  }
  .hero__title {
    font-size: clamp(3rem, 6vw, 4.5rem);
  }

  .section {
    padding: var(--space-20) 0;
  }
  .section__title {
    font-size: clamp(2.5rem, 6vw, 3rem);
  }

  .about__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }

  .services__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }

  .why-us__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    max-width: 1100px;
  }
  .why-us__item {
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-gray-200);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
  .why-us__item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(30, 136, 229, 0.3);
  }
  .why-us__item-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--color-light-blue), #e3f2fd);
    margin-bottom: 0;
  }
  .why-us__item:hover .why-us__item-icon {
    transform: scale(1.1);
  }
  .why-us__item-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-3);
    font-weight: var(--font-weight-bold);
  }
  .why-us__item-text {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-gray-600);
  }

  .doctors__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }

  .reviews__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }

  .pricing__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }

  .contacts__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-12);
  }

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-8);
  }
  .footer__brand {
    grid-column: auto;
    text-align: left;
  }
}

/* ===== ACCESSIBILITY ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

*:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 2px;
}

/* Body lock when menu is open */
body.menu-open {
  overflow: hidden;
}

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

/* ===== PRINT ===== */
@media print {
  .header,
  .footer,
  .burger,
  .btn,
  .form,
  .contact-form,
  .pricing-card__btn {
    display: none !important;
  }
  .section {
    page-break-inside: avoid;
  }
  body {
    font-size: 12pt;
  }
}