/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #000;
    color: #e2c351;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 999;
}

.logo {
    font-size: 20px;
    font-weight: bold;
}

.menu {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
}

.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 999;
    position: relative;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: white;
    margin: 4px 0;
    border-radius: 2px;
    transition: all 0.4s ease;
}

/* Hamburger open/close animation */
.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Scroll Box */
.scroll-box {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 10px 20px;
    border-radius: 25px;
    border: 1px solid #555;
    cursor: pointer;
    font-size: 14px;
    margin-top: 20px;
    transition: background 0.3s ease;
}

.scroll-box:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Next Section */
.next-section {
    padding: 60px 20px;
    background: #111;
}

.next-section .container {
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
}

.next-section h2 {
    font-size: 28px;
    margin-bottom: 20px;
}

/* Footer */
footer {
    padding: 20px;
    background: #000;
    text-align: center;
    font-size: 14px;
    color: #777;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.4s ease;
    z-index: 998;
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu ul {
    list-style: none;
    text-align: center;
}

.mobile-menu li {
    font-size: 24px;
    color: #fff;
    margin: 15px 0;
    cursor: pointer;
    transition: color 0.3s;
    position: relative;
}

.mobile-menu a {
  color: white;
  text-decoration: none;
}

.mobile-menu a:hover,
.mobile-menu a:focus,
.mobile-menu a:active,
.mobile-menu a:visited {
  color: white;
  text-decoration: none;
}

.mobile-menu li:hover {
    color: #ccc;
}

.mobile-menu li .dot {
    color: #ffcc00;
    font-size: 18px;
    margin-left: 8px;
}

/* Aktif sayfa işareti */
.mobile-menu li.active {
    font-weight: bold;
}

.sustainability-hero h1 {
    margin-top: 12%;
    font-size: 50px;
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-align: center;
}

.language-dropdown {
  position: relative;
  display: inline-block;
  font-size: 14px;
  margin-right: 10px;
}

.language-btn {
  background: none;
  border: none;
  color: #e2c351;
  font-weight: bold;
  cursor: pointer;
}

.language-btn .arrow {
  font-size: 12px;
  margin-left: 4px;
}

.language-list {
  display: none;
  position: absolute;
  background-color: #111;
  border: 1px solid #444;
  min-width: 80px;
  z-index: 10;
  right: 0;
}

.language-list li {
  list-style: none;
}

.language-list li a {
  display: block;
  color: #e2c351;
  padding: 6px 12px;
  text-decoration: none;
}

.language-list li a:hover {
  background-color: #222;
}

.sustainability-hero p {
    max-width: 900px;
    margin: 0 auto 30px auto;
    font-size: 30px;
    color: #e2c351b5;
    line-height: 1.8;
    text-align: center;
}

.sustainability-hero img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    display: block;
    margin: 0 auto;
}

.wrapper {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .logo {
        font-size: 18px;
    }

    .scroll-box {
        font-size: 13px;
        padding: 8px 16px;
    }

    .next-section h2 {
        font-size: 24px;
    }

    .navbar {
        padding: 12px 20px;
    }

    .hamburger span {
        width: 22px;
        height: 2px;
    }

    .sustainability-hero h1 {
        font-size: 32px;
    }

    .sustainability-hero p {
        font-size: 16px;
        padding: 0 10px;
    }
}

@media (max-width: 480px) {

    .navbar {
        padding: 10px 15px;
    }

    .hamburger span {
        width: 20px;
        height: 2px;
    }

    .sustainability-hero h1 {
        font-size: 24px;
    }

    .sustainability-hero p {
        font-size: 15px;
    }
}

/* Link Button */
.link-button {
    display: inline-flex;
    align-items: center;
    font-size: 30px;
    text-decoration: none;
    color: #e2c351;
    margin-top: 2rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

.icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border-color: #e2c351;
    background-color: black;
    color: #e2c351;
    font-size: 1rem;
    margin-right: 0.5rem;
    transition: background-color 0.3s ease, color 0.3s ease;
    border: 1px solid #e2c351;
    box-shadow: 0 0 0 4px #e2c351;
    /* dış daire efekti */
    transition: all 0.3s ease;
}

/* Hover efekti */
.link-button:hover {
    color: #e2c351b5;
}

.link-button:hover .icon-circle {
    background-color: #e2c351b5;
    color: white;
    border: 1px solid #e2c351b5;
    box-shadow: 0 0 0 4px #e2c351b5;
    /* dış daire efekti */
}