/* ==== Değişkenler (logo renklerine göre) ==== */
:root {
  --color-primary: #8f2500;
  --color-primary-dark: #6b1c00;
  --color-primary-light: #f4e4dd;
  --color-black: #141414;
  --color-text: #262422;
  --color-text-muted: #6b6560;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f4f2;
  --color-border: #e7e1dc;

  --container: 1160px;
  --radius: 10px;
  --shadow: 0 4px 20px rgba(20, 20, 20, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  color: var(--color-black);
  line-height: 1.25;
}

.section {
  padding: 72px 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section-head {
  max-width: 640px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-head h2 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.section-head p {
  color: var(--color-text-muted);
}

.eyebrow {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

/* ==== Buttons ==== */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-outline {
  border-color: #fff;
  color: #fff;
}

.btn-outline:hover {
  background: #fff;
  color: var(--color-black);
}

/* ==== Header ==== */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--container);
  margin: 0 auto;
}

.navbar__logo img {
  height: 40px;
}

.navbar__links {
  display: flex;
  gap: 28px;
  font-weight: 600;
  font-size: 0.95rem;
}

.navbar__links a:hover,
.navbar__links a.active {
  color: var(--color-primary);
}

.navbar__cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.navbar__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-black);
}

/* ==== Hero ==== */
.hero {
  background: linear-gradient(135deg, var(--color-black) 0%, #2b1410 100%);
  color: #fff;
  padding: 96px 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  color: #fff;
  font-size: 2.6rem;
  margin-bottom: 18px;
}

.hero p {
  color: #e5dcd8;
  font-size: 1.05rem;
  margin-bottom: 28px;
  max-width: 520px;
}

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

.hero__media {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
}

.hero-carousel {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-carousel__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  padding: 20px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.hero-slide.active {
  opacity: 1;
}

/* ==== Kimiz / two column ==== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split__media {
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  text-align: center;
  padding: 20px;
}

.split h2 {
  font-size: 1.9rem;
  margin-bottom: 16px;
}

.split p {
  color: var(--color-text-muted);
  margin-bottom: 14px;
}

.stat-row {
  display: flex;
  gap: 32px;
  margin-top: 24px;
}

.stat-row strong {
  display: block;
  font-size: 1.6rem;
  color: var(--color-primary);
}

.stat-row span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ==== Kimlerle iş yapıyoruz / partners ==== */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.partner-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-align: center;
  padding: 14px 18px;
  background: #fff;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

/* Logosu beyaz/açık renkli olan firmalar için (aksi halde beyaz kart üzerinde görünmez olur) */
.partner-card--dark {
  background: var(--color-black);
}

.partner-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.partner-card img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* ==== Kauçuk hakkında / dashboard kartları ==== */
.dash-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.dash-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.dash-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 16px;
}

.dash-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.dash-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.dash-card__value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* ==== İletişim ==== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
}

.contact-info__item .icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.contact-info__item h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-info__item a,
.contact-info__item p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.contact-info__item.whatsapp .icon {
  background: #25d366;
  color: #fff;
}

form.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.contact-form label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
  display: block;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-status {
  font-size: 0.88rem;
  min-height: 20px;
}

.form-status.success {
  color: #1a7d3a;
}

.form-status.error {
  color: var(--color-primary);
}

/* honeypot alanı - kullanıcıya görünmez */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

/* ==== WhatsApp yüzen buton ==== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  z-index: 200;
  font-size: 1.6rem;
}

/* ==== Footer ==== */
footer {
  background: var(--color-black);
  color: #d8d3d0;
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-grid h4 {
  color: #fff;
  margin-bottom: 14px;
  font-size: 1rem;
}

.footer-grid ul li {
  margin-bottom: 8px;
}

.footer-grid a:hover {
  color: var(--color-primary-light);
}

.footer-logo img {
  height: 34px;
  margin-bottom: 14px;
  filter: brightness(0) invert(1);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  font-size: 0.82rem;
  color: #938d89;
  text-align: center;
}

/* ==== Responsive ==== */
@media (max-width: 900px) {
  .hero .container,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .navbar__links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
    display: none;
    gap: 16px;
  }

  .navbar__links.open {
    display: flex;
  }

  .navbar__toggle {
    display: flex;
  }

  .dash-grid {
    grid-template-columns: 1fr;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }
}