/* ============================================
   SRT Yapı Market – Kurumsal Tema
   ============================================ */

:root {
  --red: #C41E2A;
  --red-light: #FEF2F2;
  --yellow: #D4A017;
  --yellow-light: #FFFBEB;
  --blue: #1E40AF;
  --blue-light: #EFF6FF;
  --navy: #0C1222;
  --navy-2: #151D2E;
  --navy-3: #1E293B;
  --slate: #475569;
  --slate-light: #94A3B8;
  --border: #E2E8F0;
  --bg: #F8FAFC;
  --white: #FFFFFF;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(12, 18, 34, 0.06);
  --shadow: 0 4px 20px rgba(12, 18, 34, 0.08);
  --shadow-lg: 0 12px 40px rgba(12, 18, 34, 0.12);
  --transition: 0.25s ease;
  --font: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --header-h: 72px;
  --topbar-h: 40px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--topbar-h) + 16px);
  overflow-x: clip;
}

body {
  font-family: var(--font-body);
  color: var(--navy);
  background: var(--white);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

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

.loader-logo,
.logo img,
.about-logo,
.footer-logo {
  filter:
    drop-shadow(0 0 1px rgba(255, 255, 255, 1))
    drop-shadow(0 0 4px rgba(255, 255, 255, 0.9))
    drop-shadow(0 0 10px rgba(255, 255, 255, 0.6));
}

a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
  width: 100%;
}

section {
  overflow-x: clip;
}

/* ---- Loader ---- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-logo { width: 160px; margin: 0 auto 20px; }

.loader-bar {
  width: 180px;
  height: 2px;
  background: var(--navy-3);
  margin: 0 auto;
  overflow: hidden;
}

.loader-bar span {
  display: block;
  height: 100%;
  width: 35%;
  background: var(--red);
  animation: loaderSlide 1s ease infinite;
}

@keyframes loaderSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}

/* ---- Top Bar ---- */
.topbar {
  background: var(--navy);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1001;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--slate-light);
  font-weight: 500;
}

.topbar-item svg { width: 14px; height: 14px; flex-shrink: 0; }
.topbar-item:hover { color: var(--white); }

.topbar-badge {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  background: rgba(196, 30, 42, 0.15);
  color: #F87171;
  border: 1px solid rgba(196, 30, 42, 0.25);
  border-radius: 4px;
}

/* ---- Header ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition);
}

.header.scrolled { box-shadow: var(--shadow); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 12px;
}

.logo {
  flex-shrink: 1;
  min-width: 0;
}

.logo img {
  height: 44px;
  width: auto;
  filter:
    drop-shadow(0 0 1px rgba(255, 255, 255, 1))
    drop-shadow(0 0 3px rgba(255, 255, 255, 0.8));
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active { color: var(--navy); background: var(--bg); }

.nav-cta {
  background: var(--navy) !important;
  color: var(--white) !important;
  margin-left: 8px;
}

.nav-cta:hover {
  background: var(--red) !important;
  color: var(--white) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  transition: all var(--transition);
}

.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(5px, -5px); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}

.btn-primary:hover {
  background: #A3181F;
  border-color: #A3181F;
  box-shadow: 0 4px 16px rgba(196, 30, 42, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-white {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}

.btn-white:hover { background: var(--bg); }

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

.btn-full { width: 100%; }

/* ---- Hero ---- */
.hero {
  position: relative;
  background: var(--navy);
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; }

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(12, 18, 34, 0.97) 0%, rgba(21, 29, 46, 0.92) 60%, rgba(30, 64, 175, 0.15) 100%);
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 80px 80px;
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  padding-top: 72px;
  padding-bottom: 80px;
}

.hero-text,
.hero-panel {
  min-width: 0;
}

.hero-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--slate-light);
  margin-bottom: 24px;
}

.label-line {
  width: 32px;
  height: 2px;
  background: var(--red);
}

.hero-title {
  font-family: var(--font);
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.18;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-title em {
  font-style: normal;
  color: var(--slate-light);
  display: block;
  margin-top: 4px;
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 520px;
  margin-bottom: 32px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-trust {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
}

.trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--yellow);
}

/* Hero Panel */
.hero-panel-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.panel-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--slate-light);
}

.panel-year {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--yellow);
}

.panel-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.06);
}

.panel-stat {
  background: rgba(12, 18, 34, 0.6);
  padding: 28px 24px;
}

.panel-stat strong {
  font-family: var(--font);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.panel-stat > span {
  font-family: var(--font);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--red);
}

.panel-stat p {
  font-size: 0.8rem;
  color: var(--slate-light);
  margin-top: 6px;
  line-height: 1.4;
}

.panel-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.panel-brands {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.panel-brands span {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ---- Trust Strip ---- */
.trust-strip {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}

.trust-strip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.strip-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.strip-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.strip-icon svg { width: 22px; height: 22px; }
.strip-icon--blue { background: var(--blue-light); color: var(--blue); }
.strip-icon--red { background: var(--red-light); color: var(--red); }
.strip-icon--yellow { background: var(--yellow-light); color: var(--yellow); }

.strip-item strong {
  display: block;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
}

.strip-item span {
  font-size: 0.8rem;
  color: var(--slate);
  line-height: 1.4;
}

/* ---- Section Common ---- */
.section-header { margin-bottom: 52px; }
.section-header--left { max-width: 560px; }
.section-header--split {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
}

.section-header--split .section-desc {
  max-width: 400px;
  text-align: right;
  margin: 0;
}

.section-tag {
  display: inline-block;
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}

.section-tag--light { color: var(--yellow); }

.section-title {
  font-family: var(--font);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1rem;
  color: var(--slate);
  line-height: 1.7;
}

.section-header { text-align: center; }
.section-header--left,
.section-header--split > div:first-child { text-align: left; }

/* ---- Services ---- */
.services {
  padding: 100px 0;
  background: var(--bg);
}

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

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card--accent {
  background: var(--navy);
  border-color: var(--navy);
}

.service-card--accent .service-body h3 { color: var(--white); }
.service-card--accent .service-body > p { color: rgba(255, 255, 255, 0.6); }
.service-card--accent .service-list li { color: rgba(255, 255, 255, 0.5); }
.service-card--accent .service-list li::before { background: var(--yellow); }

.service-num {
  padding: 16px 24px 0;
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--slate-light);
  letter-spacing: 1px;
}

.service-card--accent .service-num { color: rgba(255, 255, 255, 0.3); }

.service-body { padding: 12px 24px 28px; flex: 1; }

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.service-icon svg { width: 24px; height: 24px; }
.service-icon--blue { background: var(--blue-light); color: var(--blue); }
.service-icon--yellow { background: var(--yellow-light); color: var(--yellow); }
.service-icon--red { background: var(--red-light); color: var(--red); }

.service-body h3 {
  font-family: var(--font);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--navy);
}

.service-body > p {
  font-size: 0.9rem;
  color: var(--slate);
  line-height: 1.65;
  margin-bottom: 16px;
}

.service-list li {
  font-size: 0.82rem;
  color: var(--slate);
  padding: 5px 0;
  padding-left: 16px;
  position: relative;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 2px;
  background: var(--red);
  border-radius: 1px;
}

/* ---- Process ---- */
.process {
  padding: 80px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}

.process-step {
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--navy);
  margin: 0 auto 20px;
  transition: all var(--transition);
}

.process-step:hover .step-num {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.process-step h4 {
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--navy);
}

.process-step p {
  font-size: 0.82rem;
  color: var(--slate);
  line-height: 1.55;
}

/* ---- Products ---- */
.products {
  padding: 100px 0;
  background: var(--white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
}

.product-card:hover {
  border-color: var(--navy);
  box-shadow: var(--shadow);
}

.product-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
}

.product-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-icon-wrap svg { width: 22px; height: 22px; }
.product-icon-wrap--red { background: var(--red-light); color: var(--red); }
.product-icon-wrap--blue { background: var(--blue-light); color: var(--blue); }
.product-icon-wrap--yellow { background: var(--yellow-light); color: var(--yellow); }

.product-code {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--slate-light);
  letter-spacing: 0.5px;
}

.product-card h3 {
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.product-card > p {
  font-size: 0.85rem;
  color: var(--slate);
  line-height: 1.6;
  margin-bottom: 18px;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.product-meta span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--slate-light);
}

.product-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--red);
}

.product-link:hover { color: var(--navy); }

/* ---- DYO ---- */
.dyo {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
  --dyo-active: #0C1222;
  transition: color 0.6s ease;
}

.dyo-bg {
  position: absolute;
  inset: 0;
  background-color: var(--dyo-active);
  transition: background-color 0.85s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}

.dyo-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.25) 0%, rgba(0, 0, 0, 0.05) 50%, rgba(0, 0, 0, 0.15) 100%);
  transition: background 0.85s ease, opacity 0.85s ease;
  z-index: 1;
  pointer-events: none;
}

.dyo-color-name {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  font-family: var(--font);
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.04);
  letter-spacing: -0.04em;
  white-space: nowrap;
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.6s ease, transform 0.6s ease, color 0.6s ease;
  opacity: 0;
  user-select: none;
}

.dyo-color-name.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* Açık renkler – metin kontrastı */
.dyo.dyo--light .dyo-bg-overlay {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
}

.dyo.dyo--light .dyo-title { color: var(--navy); }
.dyo.dyo--light .dyo-desc { color: var(--slate); }
.dyo.dyo--light .dyo-cat { color: var(--navy-3); }
.dyo.dyo--light .section-tag--light { color: var(--red); background: rgba(196, 30, 42, 0.08); }
.dyo.dyo--light .dyo-color-name { color: rgba(12, 18, 34, 0.05); }
.dyo.dyo--light .dyo-panel-inner {
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(12, 18, 34, 0.1);
  backdrop-filter: blur(12px);
}
.dyo.dyo--light .dyo-logo-text { color: var(--navy); }
.dyo.dyo--light .dyo-panel-badge {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.dyo.dyo--light .dyo-panel-head { border-color: rgba(12, 18, 34, 0.08); }
.dyo.dyo--light .dyo-feat strong { color: var(--navy); }
.dyo.dyo--light .dyo-feat span { color: var(--slate); }
.dyo.dyo--light .dyo-colors-label { color: var(--slate); }
.dyo.dyo--light .dyo-selected-color { color: var(--slate); }
.dyo.dyo--light .btn-white {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.dyo.dyo--light .color-swatch { border-color: rgba(12, 18, 34, 0.15); }
.dyo.dyo--light .color-swatch.active {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px var(--white), 0 0 0 5px var(--navy);
}

.dyo-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.dyo-info,
.dyo-panel,
.about-visual,
.about-content {
  min-width: 0;
}

.dyo-title {
  font-family: var(--font);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.dyo-desc {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 28px;
}

.dyo-categories {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
}

.dyo-cat {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
}

.dyo-cat-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--c);
  flex-shrink: 0;
}

.dyo-panel,
.dyo-panel-inner {
  min-width: 0;
  max-width: 100%;
}

.dyo-panel-inner {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px;
  overflow: hidden;
}

.dyo-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dyo-logo-text {
  font-family: var(--font);
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 6px;
}

.dyo-panel-badge {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--slate-light);
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.dyo-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.dyo-feat {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.dyo-feat svg {
  width: 18px;
  height: 18px;
  color: var(--yellow);
  flex-shrink: 0;
  margin-top: 2px;
}

.dyo-feat strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 2px;
}

.dyo-feat span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.45);
}

.dyo-colors-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 12px;
}

.color-row {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
  max-width: 100%;
}

.color-swatch {
  width: 100%;
  aspect-ratio: 1;
  max-width: 40px;
  border-radius: 6px;
  background: var(--swatch, #ccc);
  border: 2px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  padding: 0;
  justify-self: center;
}

.color-swatch:hover { transform: scale(1.12); }

.color-swatch.active {
  transform: scale(1.12);
  border-color: var(--white);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3), 0 4px 12px rgba(0, 0, 0, 0.3);
}

.color-swatch--reset {
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.55);
  --swatch: transparent;
}

.dyo-selected-color {
  margin-top: 12px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  transition: color 0.4s ease;
  min-height: 1.2em;
}

.dyo-selected-color strong {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
}

/* ---- About ---- */
.about {
  padding: 100px 0;
  background: var(--bg);
}

.about-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
  align-items: center;
}

.about-card {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
}

.about-logo {
  width: 180px;
  margin: 0 auto 28px;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.value-item {
  padding: 14px 10px;
  border-radius: var(--radius);
  text-align: center;
}

.value-item span {
  display: block;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 700;
}

.value-item small {
  font-size: 0.7rem;
  opacity: 0.7;
}

.value-item--blue { background: rgba(30, 64, 175, 0.2); color: #93C5FD; }
.value-item--yellow { background: rgba(212, 160, 23, 0.15); color: #FDE68A; }
.value-item--red { background: rgba(196, 30, 42, 0.15); color: #FCA5A5; }

.about-metric {
  margin-top: 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.about-metric strong {
  display: block;
  font-family: var(--font);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--red);
  line-height: 1;
}

.about-metric span {
  font-size: 0.85rem;
  color: var(--slate);
  margin-top: 4px;
  display: block;
}

.about-text {
  font-size: 1rem;
  color: var(--slate);
  line-height: 1.75;
  margin-bottom: 32px;
}

.about-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.point-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--red);
}

.point-icon svg { width: 20px; height: 20px; }

.about-point h4 {
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--navy);
}

.about-point p {
  font-size: 0.85rem;
  color: var(--slate);
  line-height: 1.55;
}

/* ---- Testimonials ---- */
.testimonials {
  padding: 100px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
}

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

.testimonial {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.testimonial--featured {
  background: var(--navy);
  border-color: var(--navy);
}

.testimonial--featured p { color: rgba(255, 255, 255, 0.75); }
.testimonial--featured footer strong { color: var(--white); }
.testimonial--featured footer span { color: rgba(255, 255, 255, 0.45); }
.testimonial--featured .testimonial-stars { color: var(--yellow); }

.testimonial-stars {
  color: var(--yellow);
  font-size: 0.85rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial p {
  font-size: 0.9rem;
  color: var(--slate);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial footer strong {
  display: block;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
}

.testimonial footer span {
  font-size: 0.78rem;
  color: var(--slate-light);
}

/* ---- CTA ---- */
.cta-banner {
  padding: 64px 0;
  background: var(--red);
}

.cta-layout {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}

.cta-text h2 {
  font-family: var(--font);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 6px;
}

.cta-text p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.cta-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* ---- Contact ---- */
.contact {
  padding: 100px 0;
  background: var(--bg);
}

.contact-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 52px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  align-items: start;
}

.contact-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.contact-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red);
  margin-bottom: 14px;
}

.contact-card-icon svg { width: 20px; height: 20px; }

.contact-card h4 {
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--navy);
}

.contact-card p {
  font-size: 0.82rem;
  color: var(--slate);
  line-height: 1.55;
}

.contact-card a:hover { color: var(--red); }

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.contact-form h3 {
  font-family: var(--font);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--navy);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group { margin-bottom: 16px; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--navy);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-group textarea { resize: vertical; min-height: 100px; }

/* ---- Footer ---- */
.footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.55);
  padding: 72px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
  height: 44px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 18px;
  letter-spacing: 0.3px;
}

.footer-col li { margin-bottom: 10px; }

.footer-col a {
  font-size: 0.85rem;
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--white); }

.footer-contact-list li {
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 8px;
  margin-top: 20px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.footer-social a svg { width: 16px; height: 16px; }
.footer-social a:hover { background: var(--red); color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: 0.8rem;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.footer-badges span {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.4);
}

/* ---- Toast ---- */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  padding: 14px 22px;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  transform: translateY(120%);
  opacity: 0;
  transition: all 0.35s ease;
  z-index: 9999;
  border-left: 3px solid var(--yellow);
  max-width: 360px;
}

.toast.show { transform: translateY(0); opacity: 1; }

/* ---- Animations ---- */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 1100px) {
  .hero-layout { grid-template-columns: 1fr; gap: 40px; }
  .hero-panel { max-width: 100%; width: 100%; }
  .trust-strip-inner { grid-template-columns: repeat(2, 1fr); }
  .dyo-layout { grid-template-columns: 1fr; gap: 40px; }
  .about-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .services,
  .products,
  .about,
  .testimonials,
  .contact,
  .dyo { padding: 72px 0; }

  .process { padding: 64px 0; }

  .services-grid,
  .products-grid,
  .testimonials-grid { grid-template-columns: 1fr; }
  .process-timeline { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .process-timeline::before { display: none; }
  .section-header { margin-bottom: 40px; }
  .section-header--split { flex-direction: column; align-items: flex-start; gap: 16px; }
  .section-header--split .section-desc { text-align: left; max-width: 100%; }
  .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-layout { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .topbar { display: none; }
  html { scroll-padding-top: calc(var(--header-h) + 12px); }

  .container { padding: 0 16px; }

  .logo img {
    height: 34px;
    max-width: 120px;
    object-fit: contain;
    object-position: left center;
  }

  .hamburger {
    display: flex;
    flex-shrink: 0;
    padding: 10px;
    margin-right: -6px;
  }

  .nav {
    position: fixed;
    inset: 0;
    top: var(--header-h);
    background: var(--white);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 24px 16px 32px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    border-top: 1px solid var(--border);
  }

  .nav.open { opacity: 1; visibility: visible; }
  .nav-list { flex-direction: column; gap: 4px; width: 100%; max-width: 320px; }
  .nav-link {
    font-size: 1rem;
    padding: 14px 16px;
    display: block;
    text-align: center;
  }
  .nav-cta { margin-left: 0 !important; margin-top: 8px; }

  /* Hero */
  .hero-layout {
    padding-top: 40px;
    padding-bottom: 48px;
    gap: 32px;
  }

  .hero-label {
    font-size: 0.72rem;
    letter-spacing: 0.8px;
    flex-wrap: wrap;
  }

  .hero-title { font-size: clamp(1.65rem, 7vw, 2.2rem); }
  .hero-desc { font-size: 0.95rem; margin-bottom: 24px; }

  .hero-actions { flex-direction: column; margin-bottom: 28px; }
  .hero-actions .btn { width: 100%; white-space: normal; }

  .hero-trust { flex-direction: column; gap: 10px; }

  .panel-header {
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px 18px;
  }

  .panel-stat { padding: 20px 18px; }
  .panel-stat strong { font-size: 1.8rem; }
  .panel-footer { padding: 14px 18px; }

  /* Trust strip */
  .trust-strip { padding: 20px 0; }
  .trust-strip-inner { gap: 16px; }

  /* Sections */
  .services,
  .products,
  .about,
  .testimonials,
  .contact,
  .dyo { padding: 56px 0; }

  .section-header { margin-bottom: 32px; }
  .section-title { font-size: clamp(1.5rem, 5.5vw, 1.85rem); }

  .service-body { padding: 12px 18px 24px; }
  .service-num { padding: 14px 18px 0; }
  .product-card { padding: 20px; }

  /* DYO */
  .dyo-layout { gap: 32px; }
  .dyo-categories,
  .dyo-features-grid { grid-template-columns: 1fr; }
  .dyo-panel-inner { padding: 18px 14px; }

  .dyo-panel-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 16px;
  }

  .dyo-logo-text { font-size: 1.4rem; letter-spacing: 2px; }

  .dyo-panel-badge {
    font-size: 0.6rem;
    padding: 4px 8px;
    letter-spacing: 0.4px;
  }

  .color-row {
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }

  .color-swatch { max-width: none; }
  .color-swatch.active,
  .color-swatch:hover { transform: none; }

  .dyo-selected-color {
    font-size: 0.72rem;
    word-break: break-word;
    line-height: 1.5;
  }

  .dyo-info .btn { width: 100%; white-space: normal; }

  /* About */
  .about-card { padding: 28px 20px; }
  .about-logo { width: 140px; }
  .about-values { grid-template-columns: 1fr; gap: 8px; }

  /* Contact */
  .contact-header { margin-bottom: 32px; }
  .contact-cards { grid-template-columns: 1fr; }
  .contact-form { padding: 24px 18px; }
  .form-row { grid-template-columns: 1fr; }

  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px; /* iOS zoom önleme */
  }

  /* CTA & Footer */
  .cta-banner { padding: 48px 0; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { width: 100%; white-space: normal; }

  .footer { padding-top: 48px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand p { max-width: 100%; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  /* Toast */
  .toast {
    left: 16px;
    right: 16px;
    bottom: 16px;
    max-width: none;
  }

  /* Buttons genel */
  .btn { white-space: normal; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 14px; }

  .hero-layout {
    padding-top: 32px;
    padding-bottom: 40px;
  }

  .hero-label { letter-spacing: 0.5px; }

  .trust-strip-inner { grid-template-columns: 1fr; }
  .process-timeline { grid-template-columns: 1fr; }
  .process-step { padding: 0; }

  .panel-stats { grid-template-columns: 1fr 1fr; }
  .panel-stat strong { font-size: 1.5rem; }
  .panel-stat > span { font-size: 1.1rem; }

  .testimonial { padding: 22px 18px; }

  .dyo-color-name {
    font-size: 2.8rem;
    white-space: normal;
    text-align: center;
    width: 90%;
  }

  .value-item { padding: 12px 8px; }
  .value-item span { font-size: 0.8rem; }
}