/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body, html {
  font-family: 'Lora', serif;
  font-size: 16px;
  color: #444;
  line-height: 1.6;
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a {
  text-decoration: none;
  color: inherit;
  transition: 0.3s;
}
a:hover { color: #70bae8; }
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 700;
  color: #383f48;
}
h1 {
  font-size: 3rem;
  line-height: 1.2;
}
h2 {
  font-size: 20px;
  line-height: 1.3;
  color: #70bae8;
}
h3 {
  font-size: 18px;
  line-height: 1.3;
}
p { margin: 0 0 15px; }

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 30px;
  position: fixed;
  width: 100%;
  top: 0;
  background: white;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  z-index: 1000;
}
.header-logo img { height: 90px; }

.nav-links {
  display: flex;
  gap: 30px;
  justify-content: flex-end;
  align-items: center;
  margin-left: auto;
}
.nav-links a {
  color: #383f48;
  font-weight: 400;
  white-space: nowrap;
}
.nav-links a:hover { color: #70bae8; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: #70bae8;
  padding: 8px;
  border-radius: 4px;
  z-index: 1001;
}
.hamburger span {
  width: 25px;
  height: 3px;
  background: white;
  border-radius: 2px;
  transition: 0.3s;
}

/* Hero */
.hero {
  position: relative;
  height: 100vh;
  background: url('../img/slide.jpg') center/cover no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
  margin-top: 80px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
}
.hero-content {
  position: relative;
  text-align: center;
  color: #fff;
  max-width: 90%;
  z-index: 1;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -25px;
  left: 5%;
  right: 5%;
  height: 80px;
  background: white;
  border-top-left-radius: 50% 100%;
  border-top-right-radius: 50% 100%;
}
.hero-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-bottom: 15px;
}
.hero-title .line {
  flex: 1;
  height: 3px;
  background: #70bae8;
  max-width: 80px;
}
.hero h1 {
  font-size: 3rem;
  margin: 5px 0;
  color: #fff;
}
.hero p { margin: 0 0 25px; }
.hero .btn {
  display: inline-block;
  padding: 12px 30px;
  border: 2px solid white;
  color: white;
  background: transparent;
  cursor: pointer;
  transition: 0.3s;
}
.hero .btn:hover {
  background: white;
  color: #383f48;
}
main { margin-top: 100px; }

/* About Us */
.about-us {
  background: white;
  padding: 40px 10%;
}
.about-us .container {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  align-items: center;
}
.about-us .image img {
  width: 100%;
  max-width: 400px;
  height: auto;
  object-fit: cover;
  border-radius: 10px;
}
.about-us .text {
  flex: 1;
  padding-left: 10px;
}
.about-us.reverse { background: #f5f5f5; }
.about-us.reverse .container { flex-direction: row-reverse; }

/* Info Section */
.info-section {
  background: #fff;
  padding: 60px 10%;
}
.info-section .container {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.info-section .image img {
  width: 100%;
  max-width: 250px;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: 50%;
}
.info-section .text {
  flex: 2;
  padding-left: 10px;
}
.info-section .signature {
  font-family: 'Brush Script MT', cursive;
  font-size: 22px;
  color: #383f48;
  margin-top: 20px;
  display: block;
  text-align: right;
}

/* Footer */
footer {
  background: #70bae8;
  color: white;
  padding: 80px 10% 40px;
  position: relative;
  font-size: 16px;
  line-height: 1.6;
}
footer::before {
  content: "";
  position: absolute;
  top: -40px;
  left: 5%;
  right: 5%;
  height: 80px;
  background: white;
  border-bottom-left-radius: 50% 100%;
  border-bottom-right-radius: 50% 100%;
}
footer h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 15px;
  text-align: left;
}
footer p,
footer a {
  font-size: 16px;
  margin: 5px 0;
  text-align: left;
}
footer h3,
footer p,
footer a { color: white; }
footer a:hover { color: #383f48; }

footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  position: relative;
  z-index: 2;
  text-align: left;
}
footer .container > div {
  flex: 1;
  min-width: 250px;
}
footer .container > div:nth-child(2) {
  flex: 1.5;
  text-align: center;
}

.footer-bottom {
  text-align: center;
  margin-top: 30px;
  font-size: 14px;
  opacity: 0.9;
}
.social-links {
  margin-top: 15px;
  display: flex;
  gap: 15px;
}
.social-links a {
  color: white;
  font-size: 20px;
  transition: 0.3s;
}
.social-links a:hover { color: #383f48; }
.social-links i {
  font-style: normal;
  font-weight: 400;
  display: inline-block;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Mobile */
@media(max-width:991px){
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: #70bae8;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-left: 20px;
    gap: 40px;
    transition: 0.3s;
    z-index: 999;
  }
  .nav-links a {
    color: white;
    font-size: 1.5rem;
  }
  .nav-links.active { right: 0; }
  .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(6px,-6px); }

  .about-us .container,
  .info-section .container,
  footer .container {
    flex-direction: column;
    text-align: center;
  }
  .about-us .text,
  .info-section .text { padding-left: 0; }
}
/* Mobile: από 0 έως 991px πλάτος */
@media (max-width: 991px) {
  header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    transition: top 0.3s ease;
    z-index: 1000;
  }
}