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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #0a0f18;
  color: #ffffff;
  line-height: 1.6;
}

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

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

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.topbar {
  background: rgba(7, 12, 20, 0.95);
  border-bottom: 1px solid rgba(255, 196, 0, 0.25);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.nav {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img {
  width: 125px;
  height: auto;
  max-height: 125px;
  object-fit: contain;
  display: block;
  background: transparent;
  padding: 0;
  border-radius: 0;
  box-shadow: none;
}

.brand-text h1 {
  font-size: 24px;
  line-height: 1;
  color: #ffffff;
  margin: 0;
}

.brand-text span {
  font-size: 12px;
  color: #b8c4d6;
  letter-spacing: 1px;
}

.menu {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.menu a {
  color: #dce7f7;
  font-size: 15px;
  transition: 0.3s ease;
  position: relative;
}

.menu a:hover,
.menu a.active {
  color: #f2c14e;
}

.menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: #f2c14e;
  transition: 0.3s ease;
}

.menu a:hover::after,
.menu a.active::after {
  width: 100%;
}

.lang-switch {
  display: flex;
  gap: 8px;
}

.lang-switch a {
  border: 1px solid rgba(255,255,255,0.2);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13px;
  color: #dce7f7;
  transition: 0.3s ease;
}

.lang-switch a:hover {
  border-color: #f2c14e;
  color: #f2c14e;
}

.hero {
  min-height: 78vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(rgba(5, 10, 18, 0.65), rgba(5, 10, 18, 0.88)),
    url("https://images.unsplash.com/photo-1513828583688-c52646db42da?auto=format&fit=crop&w=1600&q=80") center/cover no-repeat;
}

.hero-content {
  max-width: 760px;
  animation: fadeUp 1s ease;
}

.badge {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid rgba(242, 193, 78, 0.4);
  color: #f2c14e;
  border-radius: 999px;
  margin-bottom: 18px;
  font-size: 14px;
  background: rgba(242, 193, 78, 0.08);
}

.hero h2 {
  font-size: 54px;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero p {
  color: #d0d9e6;
  font-size: 18px;
  margin-bottom: 28px;
  max-width: 650px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 24px;
  border-radius: 10px;
  display: inline-block;
  transition: 0.3s ease;
  font-weight: 700;
}

.btn-primary {
  background: linear-gradient(135deg, #f2c14e, #d89d11);
  color: #111;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(242, 193, 78, 0.25);
}

.btn-secondary {
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
}

.btn-secondary:hover {
  border-color: #f2c14e;
  color: #f2c14e;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 36px;
  margin-bottom: 14px;
  color: #ffffff;
}

.section-subtitle {
  color: #b8c4d6;
  max-width: 760px;
  margin-bottom: 36px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.card {
  background: linear-gradient(180deg, rgba(20, 28, 42, 0.95), rgba(11, 17, 28, 0.98));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  overflow: hidden;
  transition: 0.35s ease;
  animation: fadeUp 0.8s ease;
}

.card:hover {
  transform: translateY(-8px);
  border-color: rgba(242, 193, 78, 0.35);
  box-shadow: 0 18px 40px rgba(0,0,0,0.28);
}

.card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.card-body {
  padding: 24px;
}

.card-body h3 {
  margin-bottom: 12px;
  color: #f2c14e;
}

.card-body p,
.card-body li {
  color: #d0d9e6;
}

.card-body ul {
  padding-left: 18px;
}

.page-header {
  padding: 90px 0 50px;
  background:
    linear-gradient(rgba(5, 10, 18, 0.8), rgba(5, 10, 18, 0.95)),
    url("https://images.unsplash.com/photo-1473448912268-2022ce9509d8?auto=format&fit=crop&w=1600&q=80") center/cover no-repeat;
}

.page-header h2 {
  font-size: 42px;
  margin-bottom: 14px;
}

.page-header p {
  color: #d0d9e6;
  max-width: 800px;
}

.info-box {
  background: rgba(16, 24, 38, 0.95);
  border: 1px solid rgba(255,255,255,0.08);
  border-left: 4px solid #f2c14e;
  padding: 24px;
  border-radius: 14px;
  margin-bottom: 20px;
  transition: 0.3s ease;
}

.info-box:hover {
  transform: translateX(4px);
  border-color: rgba(242, 193, 78, 0.35);
}

.info-box h3 {
  color: #f2c14e;
  margin-bottom: 10px;
}

.info-box p,
.info-box li {
  color: #d0d9e6;
}

.contact-list p {
  margin-bottom: 10px;
}

.footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  color: #9fb0c9;
  background: #09111d;
  text-align: center;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 992px) {
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .hero h2 {
    font-size: 40px;
  }

  .nav {
    flex-direction: column;
    padding: 18px 0;
  }

  .menu {
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .hero h2 {
    font-size: 32px;
  }

  .section-title,
  .page-header h2 {
    font-size: 30px;
  }

  .container {
    width: 92%;
  }

  .hero {
    min-height: 70vh;
  }
}
/* LOADER */
/* PETROL DAMLASI LOADER */
#page-loader {
  position: fixed;
  inset: 0;
  background: #05080f;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 99999;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

#page-loader.hide {
  opacity: 0;
  visibility: hidden;
}

.loader-ring {
  position: relative;
  width: 180px;
  height: 180px;
}

.loader-drop {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 26px;
  margin-left: -9px;
  margin-top: -13px;
  transform-origin: center center;
  opacity: 0.2;
  animation: oilDropPulse 1s ease-in-out infinite;
}

.loader-drop::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #f8dc8a 0%, #e0a81a 45%, #8f6400 100%);
  border-radius: 50% 50% 55% 55% / 35% 35% 65% 65%;
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(242, 193, 78, 0.3);
}

/* 8 damla daire şeklinde diziliyor */
.loader-drop:nth-child(1) {
  transform: rotate(0deg) translateY(-68px) rotate(45deg);
  animation-delay: 0s;
}
.loader-drop:nth-child(2) {
  transform: rotate(45deg) translateY(-68px) rotate(45deg);
  animation-delay: 0.125s;
}
.loader-drop:nth-child(3) {
  transform: rotate(90deg) translateY(-68px) rotate(45deg);
  animation-delay: 0.25s;
}
.loader-drop:nth-child(4) {
  transform: rotate(135deg) translateY(-68px) rotate(45deg);
  animation-delay: 0.375s;
}
.loader-drop:nth-child(5) {
  transform: rotate(180deg) translateY(-68px) rotate(45deg);
  animation-delay: 0.5s;
}
.loader-drop:nth-child(6) {
  transform: rotate(225deg) translateY(-68px) rotate(45deg);
  animation-delay: 0.625s;
}
.loader-drop:nth-child(7) {
  transform: rotate(270deg) translateY(-68px) rotate(45deg);
  animation-delay: 0.75s;
}
.loader-drop:nth-child(8) {
  transform: rotate(315deg) translateY(-68px) rotate(45deg);
  animation-delay: 0.875s;
}

.loader-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 34px;
  height: 34px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, #f2c14e 0%, #c78908 65%, #6f4d00 100%);
  box-shadow: 0 0 20px rgba(242, 193, 78, 0.25);
}

.loader-text {
  margin-top: 24px;
  font-size: 14px;
  letter-spacing: 2px;
  color: #f2c14e;
  text-transform: uppercase;
}

@keyframes oilDropPulse {
  0% {
    opacity: 0.18;
    filter: brightness(0.85);
  }
  50% {
    opacity: 1;
    filter: brightness(1.15);
  }
  100% {
    opacity: 0.18;
    filter: brightness(0.85);
  }
}