/* ========================================
   GÜRMEKSAN – GÜR MEKATRONİK SANAYİİ
   style.css
   ======================================== */

/* ── CSS DEĞİŞKENLERİ ── */
:root {
  --navy: #0B2660;
  --navy-mid: #163584;
  --blue: #1E4DB7;
  --blue-light: #2E62D9;
  --white: #FFFFFF;
  --off-white: #F2F6FF;
  --gray: #8899BB;
  --gray-light: #E8EEF8;
  --text-dark: #0A1E4A;
  --gear-accent: #2E62D9;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  background: var(--white);
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--navy);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5vw;
  height: 72px;
  box-shadow: 0 2px 20px rgba(0,0,0,.35);
}

.nav-logo {
  display: flex; align-items: center; gap: 12px; text-decoration: none;
}
.nav-logo-img {
  height: 60px;
  width: auto;
  object-fit: contain;
  border-radius: 6px;
}
.nav-logo svg { width: 44px; height: 44px; }
.nav-logo-text { color: var(--white); font-family: 'Montserrat', sans-serif; }
.nav-logo-text span { display: block; }
.nav-logo-text .brand { font-size: 18px; font-weight: 900; letter-spacing: 2px; }
.nav-logo-text .sub { font-size: 9px; font-weight: 600; letter-spacing: 1.5px; opacity: .75; text-transform: uppercase; }

.nav-links {
  display: flex; gap: 2px; list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,.8); text-decoration: none;
  font-size: 13px; font-weight: 500; letter-spacing: .5px;
  padding: 8px 14px; border-radius: 6px;
  transition: all .2s;
  font-family: 'Montserrat', sans-serif;
}
.nav-links a:hover { background: rgba(255,255,255,.12); color: var(--white); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: .3s; }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 55%, var(--blue) 100%);
  display: flex; align-items: center;
  padding: 100px 5vw 60px;
  position: relative; overflow: hidden;
}

.hero-bg-gear {
  position: absolute; right: -60px; top: 50%; transform: translateY(-50%);
  width: min(600px, 70vw); height: min(600px, 70vw);
  opacity: .07;
  animation: spin 60s linear infinite;
}
.hero-bg-gear2 {
  position: absolute; right: 200px; bottom: -80px;
  width: 260px; height: 260px;
  opacity: .05;
  animation: spin2 40s linear infinite reverse;
}
@keyframes spin { to { transform: translateY(-50%) rotate(360deg); } }
@keyframes spin2 { to { transform: rotate(360deg); } }

.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 60px; max-width: 1200px; width: 100%;
  position: relative; z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  background: rgba(46,98,217,.35);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  font-size: 11px; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase;
  padding: 6px 16px; border-radius: 100px; margin-bottom: 24px;
  font-family: 'Montserrat', sans-serif;
}

.hero-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(32px, 4.5vw, 58px);
  font-weight: 900; color: var(--white);
  line-height: 1.1; letter-spacing: -.5px;
  margin-bottom: 20px;
}
.hero-title .accent { color: #7EB3FF; }

.hero-desc {
  color: rgba(255,255,255,.72);
  font-size: 16px; line-height: 1.7; max-width: 480px;
  margin-bottom: 36px;
}

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

.btn-primary {
  background: var(--white); color: var(--navy);
  font-family: 'Montserrat', sans-serif; font-weight: 700;
  font-size: 14px; letter-spacing: .5px;
  padding: 14px 28px; border-radius: 8px; text-decoration: none;
  transition: all .25s; display: inline-flex; align-items: center; gap: 8px;
  border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--off-white); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.25); }

.btn-outline {
  background: transparent; color: var(--white);
  font-family: 'Montserrat', sans-serif; font-weight: 600;
  font-size: 14px; letter-spacing: .5px;
  padding: 14px 28px; border-radius: 8px; text-decoration: none;
  border: 1.5px solid rgba(255,255,255,.4);
  transition: all .25s; display: inline-flex; align-items: center; gap: 8px;
  cursor: pointer;
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,.08); }

.hero-stats {
  display: flex; gap: 20px; margin-top: 48px; padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,.12);
  flex-wrap: nowrap; align-items: center;
}
.hero-stat-item {
  display: flex; align-items: center;
}
.stat-icon { display: none; }
.stat-num {
  font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 900;
  color: var(--white); line-height: 1.2; letter-spacing: .3px;
  white-space: nowrap;
}
.stat-label { display: none; }

.hero-visual {
  display: flex; flex-direction: column; align-items: center; gap: 20px;
  max-width: 85%;
}

.hero-machine-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px; padding: 24px;
  text-align: center; width: 100%;
  backdrop-filter: blur(10px);
}
.hero-machine-card img {
  width: 100%;
  max-height: 440px;
  object-fit: contain;
  border-radius: 10px;
}
.hero-machine-label {
  font-family: 'Montserrat', sans-serif;
  color: rgba(255,255,255,.5); font-size: 11px; letter-spacing: 2px;
  text-transform: uppercase; margin-top: 12px;
}

/* ── GENEL BÖLÜM STİLLERİ ── */
section { padding: 100px 5vw; }
.section-eyebrow {
  font-family: 'Montserrat', sans-serif; font-size: 11px; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--blue); margin-bottom: 12px;
}
.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(26px, 3vw, 42px); font-weight: 900;
  color: var(--navy); line-height: 1.15;
}
.section-title .accent { color: var(--blue); }
.section-desc {
  color: #556080; font-size: 16px; line-height: 1.75;
  max-width: 620px; margin-top: 16px;
}
.container { max-width: 1200px; margin: 0 auto; }

/* ── HAKKIMIZDA ── */
#hakkimizda { background: var(--off-white); }

.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center; margin-top: 60px;
}

.about-feature {
  display: flex; gap: 18px; margin-bottom: 28px;
}
.about-icon {
  width: 48px; height: 48px; min-width: 48px;
  background: var(--navy); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.about-icon svg { width: 24px; height: 24px; stroke: var(--white); fill: none; }
.about-feature-text h4 {
  font-family: 'Montserrat', sans-serif; font-size: 15px; font-weight: 700;
  color: var(--navy); margin-bottom: 4px;
}
.about-feature-text p { font-size: 14px; color: #667; line-height: 1.6; }

.about-visual {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  border-radius: 20px; padding: 48px 40px;
  color: var(--white); text-align: center;
}
.about-visual h3 {
  font-family: 'Montserrat', sans-serif; font-size: 22px; font-weight: 800; margin-bottom: 8px;
}
.about-visual p { font-size: 14px; opacity: .75; margin-bottom: 32px; }
.about-values {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; text-align: left;
}
.about-val {
  background: rgba(255,255,255,.1); border-radius: 10px; padding: 16px;
  font-size: 13px; font-weight: 600; font-family: 'Montserrat', sans-serif;
  border: 1px solid rgba(255,255,255,.15);
}
.about-val span { display: block; font-size: 22px; margin-bottom: 4px; }

/* ── ÜRÜNLER ── */
#urunler { background: var(--white); }

.products-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 28px; margin-top: 60px;
}

.product-card {
  border: 1.5px solid var(--gray-light);
  border-radius: 16px; overflow: hidden;
  transition: all .3s; cursor: pointer;
  background: var(--white);
}
.product-card:hover {
  border-color: var(--blue); transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(30,77,183,.12);
}
.product-card-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  height: 200px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding: 0;
}
.product-card-header svg { width: 80px; height: 80px; }
.product-card-body { padding: 24px; }
.product-tag {
  font-size: 10px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--blue);
  font-family: 'Montserrat', sans-serif; margin-bottom: 8px;
}
.product-card-body h3 {
  font-family: 'Montserrat', sans-serif; font-size: 17px; font-weight: 800;
  color: var(--navy); margin-bottom: 10px;
}
.product-card-body p { font-size: 13.5px; color: #667; line-height: 1.65; margin-bottom: 18px; }
.product-specs {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.spec-chip {
  background: var(--off-white); color: var(--navy);
  font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 100px;
  font-family: 'Montserrat', sans-serif;
}
.product-cta {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; font-size: 13px; font-weight: 600;
  color: var(--blue); text-decoration: none;
  font-family: 'Montserrat', sans-serif;
}
.product-cta:hover { text-decoration: underline; }

/* ── MEDYA ── */
#medya { background: var(--navy); }
#medya .section-eyebrow { color: #7EB3FF; }
#medya .section-title { color: var(--white); }
#medya .section-desc { color: rgba(255,255,255,.65); }

.media-tabs {
  display: flex; gap: 4px; margin: 40px 0 28px;
  background: rgba(255,255,255,.06); border-radius: 10px;
  padding: 4px; width: fit-content;
}
.tab-btn {
  padding: 10px 24px; border-radius: 8px; border: none;
  font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 700;
  cursor: pointer; transition: all .2s; letter-spacing: .5px;
  color: rgba(255,255,255,.6); background: transparent;
}
.tab-btn.active { background: var(--white); color: var(--navy); }

.media-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.media-item {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px; aspect-ratio: 4/3;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  cursor: pointer; transition: all .25s;
  position: relative; overflow: hidden;
}
.media-item:hover { border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.1); transform: scale(1.02); }
.media-upload-icon { font-size: 32px; margin-bottom: 10px; }
.media-item p { color: rgba(255,255,255,.5); font-size: 12px; font-family: 'Montserrat', sans-serif; font-weight: 600; text-align: center; padding: 0 16px; }
.media-item input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer;
}

.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.video-item {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px; aspect-ratio: 9/16;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  cursor: pointer; transition: all .25s; position: relative; overflow: hidden;
}
.video-item:hover { border-color: rgba(255,255,255,.3); }
.play-icon { width: 56px; height: 56px; background: rgba(255,255,255,.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.video-item p { color: rgba(255,255,255,.5); font-size: 12px; font-family: 'Montserrat', sans-serif; font-weight: 600; }
.video-item input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

/* ── BLOG ── */
#blog { background: var(--off-white); }

.blog-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 28px; margin-top: 60px;
}
.blog-card {
  background: var(--white); border-radius: 16px; overflow: hidden;
  border: 1.5px solid var(--gray-light); transition: all .3s;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(11,38,96,.1); }
.blog-card-img {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-light) 100%);
  height: 200px; display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.blog-card-img svg { width: 60px; height: 60px; opacity: .5; }
.blog-card-body { padding: 24px; }
.blog-meta {
  display: flex; gap: 12px; align-items: center; margin-bottom: 12px;
}
.blog-cat {
  background: var(--off-white); color: var(--blue);
  font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 4px 10px; border-radius: 100px; font-family: 'Montserrat', sans-serif;
}
.blog-date { font-size: 12px; color: var(--gray); }
.blog-card-body h3 {
  font-family: 'Montserrat', sans-serif; font-size: 16px; font-weight: 800;
  color: var(--navy); margin-bottom: 10px; line-height: 1.4;
}
.blog-card-body p { font-size: 13.5px; color: #667; line-height: 1.65; }
.blog-read-more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; font-size: 13px; font-weight: 600;
  color: var(--blue); text-decoration: none;
  font-family: 'Montserrat', sans-serif;
}

/* ── İLETİŞİM ── */
#iletisim { background: var(--white); }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 80px; margin-top: 60px;
}

.contact-info h3 {
  font-family: 'Montserrat', sans-serif; font-size: 20px; font-weight: 800;
  color: var(--navy); margin-bottom: 20px;
}
.contact-row {
  display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px;
}
.contact-icon {
  width: 42px; height: 42px; min-width: 42px;
  background: var(--off-white); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.contact-icon svg { width: 20px; height: 20px; stroke: var(--blue); fill: none; }
.contact-row-text strong {
  display: block; font-size: 13px; font-weight: 700;
  color: var(--navy); margin-bottom: 2px; font-family: 'Montserrat', sans-serif;
}
.contact-row-text span { font-size: 14px; color: #556; }

.contact-map-placeholder {
  background: var(--off-white); border-radius: 16px;
  height: 200px; margin-top: 28px;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px dashed var(--gray-light); overflow: hidden;
}

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 12px; font-weight: 700; color: var(--navy);
  font-family: 'Montserrat', sans-serif; letter-spacing: .3px;
}
.form-group input, .form-group textarea, .form-group select {
  padding: 12px 16px; border-radius: 8px;
  border: 1.5px solid var(--gray-light); font-size: 14px;
  font-family: 'Inter', sans-serif; color: var(--text-dark);
  transition: border-color .2s; background: var(--white);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--blue);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit {
  background: var(--navy); color: var(--white);
  font-family: 'Montserrat', sans-serif; font-weight: 700;
  font-size: 14px; letter-spacing: .5px;
  padding: 15px 32px; border-radius: 8px;
  border: none; cursor: pointer; transition: all .25s;
  align-self: flex-start; display: flex; align-items: center; gap: 8px;
}
.form-submit:hover { background: var(--blue); transform: translateY(-1px); }

.form-success {
  background: #E8F5E9; border: 1.5px solid #A5D6A7; border-radius: 10px;
  padding: 16px 20px; color: #2E7D32; font-weight: 600; font-size: 14px;
  display: none; align-items: center; gap: 10px;
}

/* ── FOOTER ── */
footer {
  background: #060F2A;
  padding: 64px 5vw 32px;
  color: rgba(255,255,255,.6);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-brand .footer-logo-img {
  height: 72px;
  width: auto;
  object-fit: contain;
  border-radius: 6px;
  margin-bottom: 16px;
  display: block;
}
.footer-brand p { margin-top: 18px; font-size: 13.5px; line-height: 1.7; }
.footer-col h4 {
  font-family: 'Montserrat', sans-serif; font-size: 12px; font-weight: 800;
  letter-spacing: 2px; text-transform: uppercase; color: var(--white);
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,.55); text-decoration: none; font-size: 13.5px; transition: color .2s; }
.footer-col ul li a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px; display: flex; justify-content: space-between;
  font-size: 12px;
}

/* ── WHATSAPP FLOAT ── */
.wa-float {
  position: fixed; right: 28px; bottom: 28px; z-index: 999;
  width: 58px; height: 58px;
  background: #25D366; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 24px rgba(37,211,102,.45);
  text-decoration: none; transition: all .25s;
  animation: waPulse 3s ease-in-out infinite;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 6px 32px rgba(37,211,102,.6); }
.wa-float svg { width: 30px; height: 30px; }
.wa-tooltip {
  position: absolute; right: 70px; top: 50%; transform: translateY(-50%);
  background: #25D366; color: white; padding: 6px 14px; border-radius: 20px;
  font-size: 12px; font-weight: 700; font-family: 'Montserrat', sans-serif;
  white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .2s;
  box-shadow: 0 2px 12px rgba(0,0,0,.2);
}
.wa-float:hover .wa-tooltip { opacity: 1; }
@keyframes waPulse {
  0%, 100% { box-shadow: 0 4px 24px rgba(37,211,102,.45); }
  50% { box-shadow: 0 4px 36px rgba(37,211,102,.7), 0 0 0 8px rgba(37,211,102,.1); }
}

/* ── AYIRICI ── */
.divider {
  height: 4px; border: none;
  background: linear-gradient(90deg, var(--navy), var(--blue), var(--navy));
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .media-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links {
    display: none; flex-direction: column;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--navy); padding: 16px 20px; gap: 4px;
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }

  .about-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .media-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}

/* ── DİL SEÇİCİ ── */
.lang-switcher {
  display: flex; align-items: center; gap: 4px;
  background: rgba(255,255,255,.08);
  border-radius: 8px; padding: 4px;
  margin-left: 16px;
}
.lang-btn {
  background: transparent; border: none; cursor: pointer;
  color: rgba(255,255,255,.6);
  font-family: 'Montserrat', sans-serif; font-size: 12px; font-weight: 700;
  letter-spacing: 1px; padding: 5px 11px; border-radius: 6px;
  transition: all .2s;
}
.lang-btn.active {
  background: var(--white); color: var(--navy);
}
.lang-btn:hover:not(.active) {
  color: var(--white); background: rgba(255,255,255,.12);
}

/* ── REFERANSLAR ── */
#referanslar {
  background: var(--off-white);
  padding-bottom: 80px;
}

.ref-marquee-wrap {
  margin-top: 52px;
  overflow: hidden;
  position: relative;
  width: 100%;
}

/* Soluk geçiş efektleri */
.ref-marquee-wrap::before,
.ref-marquee-wrap::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.ref-marquee-wrap::before {
  left: 0;
  background: linear-gradient(to right, var(--off-white), transparent);
}
.ref-marquee-wrap::after {
  right: 0;
  background: linear-gradient(to left, var(--off-white), transparent);
}

.ref-marquee { overflow: hidden; }

.ref-track {
  display: flex;
  align-items: center;
  gap: 20px;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.ref-track:hover { animation-play-state: paused; }

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ref-card {
  background: var(--white);
  border: 1.5px solid var(--gray-light);
  border-radius: 12px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  min-width: 160px;
  flex-shrink: 0;
  transition: all .25s;
}
.ref-card:hover {
  border-color: var(--blue);
  box-shadow: 0 6px 20px rgba(30,77,183,.1);
  transform: translateY(-2px);
}
.ref-card img {
  max-width: 120px;
  max-height: 48px;
  object-fit: contain;
  filter: grayscale(30%);
  opacity: .85;
  transition: all .25s;
}
.ref-card:hover img {
  filter: grayscale(0%);
  opacity: 1;
}