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

/* VARIABLES */
:root{
  --color-bg: #F4F6F2;
  --color-primary: #5F6F52;
  --color-primary-dark: #3E4A3C;
  --color-accent: #C6B89E;
  --color-text: #2E2E2E;
}

/* BASE */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: 'Playfair Display', serif;
}

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

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;

  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  padding: 20px 24px;
}

.header-container {
  max-width: 1100px;
  margin: auto;

  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.1rem;
  font-weight: 500;
}

.navigation a {
  text-decoration: none;
  color: var(--color-text);
  margin-left: 24px;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

/* SECTIONS */
section {
  max-width: 1100px;
  margin: 120px auto;
  padding: 0 24px;
  text-align: center;
  position: relative;
}

/* SECTION DIVIDER */
section::after {
  content: "";
  display: block;
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  margin: 60px auto 0;
  opacity: 0.4;
}

/* HERO */
.hero {
  position: relative;
}

.hero img {
  max-width: 900px;
  width: 80%;
  margin: 0 auto 40px;
  border-radius: 12px;
}

/* OVERLAY */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.25);
  border-radius: 12px;
}

/* TEXT ABOVE OVERLAY */
.hero h1,
.hero p,
.hero .call {
  position: relative;
  z-index: 1;
  color: var(--color-text);
}

.hero h1 {
  font-size: 2.4rem;
  margin-bottom: 30px;
}

.hero p {
  max-width: 600px;
  margin: 0 auto 40px;
}

/* BUTTON */
.call {
  display: inline-block;
  padding: 16px 36px;
  background-color: var(--color-accent);
  color: var(--color-text);
  border-radius: 30px;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  box-shadow: 0 20px 25px rgba(0,0,0,0.15);
}

.call:hover {
  cursor: pointer;
  transform: translateY(-2px);
  background-color: var(--color-primary-dark);
  color: var(--color-bg);
}

/* ABOUT */
.about img {
  width: 220px;
  margin: 0 auto 40px;
  border-radius: 50%;
}

.about p {
  max-width: 600px;
  margin: 0 auto 20px;
}

/* TREATMENTS */
.treatments h2 {
  margin-bottom: 60px;
}

.treatment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

/* CARDS */
.treatment-card {
  background: white;
  border-radius: 16px;
  padding: 32px 24px;

  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
}

.treatment-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}

.treatment-card h3 {
  margin-bottom: 10px;
}

.duration {
  display: block;
  margin-bottom: 15px;
  color: var(--color-primary);
  font-size: 0.9rem;
}

/* CONTACT */
.contact-intro {
  max-width: 600px;
  margin: 0 auto 40px;
}

address {
  font-style: normal;
  line-height: 1.8;
}

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

address a:hover {
  text-decoration: underline;
}

/* FOOTER */
.footer {
  background: #0f1f1c;
  color: white;
  padding: 70px 20px 30px;
}

.footer-container {
  max-width: 1100px;
  margin: auto;

  display: flex;
  justify-content: space-between;
  gap: 40px;
}

.footer h3 {
  margin-bottom: 10px;
}

.footer h4 {
  margin-bottom: 12px;
}

.footer p {
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer-navigation a {
  display: block;
  color: white;
  text-decoration: none;
  margin-bottom: 6px;
  opacity: 0.8;
}

.footer-navigation a:hover {
  opacity: 1;
}

.footer-bottom {
  text-align: center;
  margin-top: 40px;
  font-size: 0.8rem;
  opacity: 0.6;
}

/* ========================= */
/* 📱 MOBILE */
/* ========================= */

@media (max-width: 900px) {
  .treatment-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {

  .header-container {
    flex-direction: row;
    justify-content: space-between;
  }

  .navigation {
    display: none;
  }

  section {
    margin: 80px auto;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero p {
    font-size: 16px;
  }

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

  .footer-container {
    flex-direction: column;
    text-align: center;
    gap: 30px;
  }

  .footer p,
  .footer a {
    font-size: 1rem;
  }
}

@media (max-width: 600px) {
  .treatment-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* Hamburger */
.hamburger {
  display: none;
  font-size: 24px;
  cursor: pointer;
}

@media (max-width: 768px) {

  .hamburger {
    display: block;
  }

  .navigation {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    right: 0;
    background: white;
    width: 100%;
    text-align: center;
    padding: 20px 0;
  }

  .navigation.active {
    display: flex;
  }

}