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

:root {
  --primary: #1D7378;
  --secondary: #2A8E89;
  --accent: #145558;
  --dark: #0F3D3E;
  --light: #EDF6F5;
  --white: #ffffff;
  --muted: #919393;
  --border: #E2EAEA;
  --soft-bg: #F5FAF9;
  --alarm: #B45309;
  --alarm-soft: rgba(180, 83, 9, 0.10);
  --shadow: 0 4px 20px rgba(15, 61, 62, 0.08);
  --shadow-hover: 0 8px 30px rgba(15, 61, 62, 0.15);
  --radius: 12px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header / Navbar ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(15, 61, 62, 0.08);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--dark);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Lang switch */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--white);
}

.lang-btn {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--muted);
  padding: 4px 8px;
  cursor: pointer;
  border-radius: 100px;
  transition: color var(--transition), background var(--transition);
}

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

.lang-btn.active {
  color: var(--white);
  background: var(--primary);
}

.lang-divider {
  color: var(--border);
  font-weight: 700;
  font-size: 0.7rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--dark);
  transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: linear-gradient(135deg, var(--light) 0%, var(--white) 50%, #E0F0EE 100%);
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  padding: 8px 14px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(15, 61, 62, 0.05);
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: 50%;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--dark);
}

.hero-content h1 .highlight {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 28px;
  max-width: 540px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  font-size: 0.98rem;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 15px rgba(29, 115, 120, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(29, 115, 120, 0.4);
}

.btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  background: transparent;
  color: var(--primary);
  font-size: 0.98rem;
  font-weight: 600;
  border: 2px solid var(--primary);
  border-radius: 50px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.btn-secondary:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.trust-line {
  margin-top: 22px;
  font-size: 0.84rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.trust-line svg {
  width: 16px;
  height: 16px;
  color: var(--secondary);
  flex-shrink: 0;
}

.hero-visual {
  position: relative;
  width: 100%;
  height: 400px;
}

.hero-shape {
  position: absolute;
  opacity: 0.6;
}

.hero-shape svg {
  width: 100%;
  height: 100%;
}

.hero-shape-1 {
  width: 280px;
  height: 220px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.18;
  animation: float-center 6s ease-in-out infinite;
}

.hero-shape-2 {
  width: 160px;
  height: 180px;
  top: 10%;
  right: 8%;
  opacity: 0.15;
  animation: float-normal 8s ease-in-out infinite reverse;
}

.hero-shape-3 {
  width: 100px;
  height: 100px;
  bottom: 12%;
  left: 12%;
  opacity: 0.2;
  animation: float-normal 7s ease-in-out infinite 1s;
}

.hero-shape-4 {
  width: 90px;
  height: 110px;
  top: 12%;
  left: 28%;
  opacity: 0.15;
  animation: float-normal 9s ease-in-out infinite 0.5s;
}

.hero-shape-5 {
  width: 100px;
  height: 80px;
  bottom: 20%;
  right: 18%;
  opacity: 0.18;
  animation: float-normal 6.5s ease-in-out infinite 1.5s;
}

@keyframes float-center {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50% { transform: translate(-50%, -50%) translateY(-15px); }
}

@keyframes float-normal {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ===== Section Common ===== */
.section {
  padding: 100px 0;
}

.section-eyebrow {
  display: block;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-eyebrow.on-dark {
  color: rgba(255, 255, 255, 0.7);
}

.section-title {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--dark);
  letter-spacing: -0.4px;
}

.section-subtitle {
  text-align: center;
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 60px;
  line-height: 1.7;
}

/* ===== Özellikler (Sorun + Çözüm) ===== */
.features {
  background: var(--soft-bg);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 70px;
}

.problem-card {
  background: var(--white);
  padding: 28px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--alarm);
  opacity: 0.85;
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.problem-icon {
  width: 46px;
  height: 46px;
  background: var(--alarm-soft);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.problem-icon svg {
  width: 22px;
  height: 22px;
  color: var(--alarm);
}

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

.problem-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}

.solution-bridge {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 36px;
  position: relative;
}

.solution-bridge::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  margin: 12px auto 0;
  border-radius: 2px;
}

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

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid transparent;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(42, 142, 137, 0.25);
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--white);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.feature-card p {
  font-size: 0.94rem;
  color: var(--muted);
  line-height: 1.7;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.feature-tag {
  background: rgba(29, 115, 120, 0.08);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
}

/* ===== Platform Mock (Projeler paneli — slider içinde) ===== */
.platform-mockup {
  background: var(--white);
  border-radius: 14px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.28);
  overflow: hidden;
  font-size: 0.82rem;
}

.platform-body {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 360px;
  background: var(--soft-bg);
}

.platform-sidebar {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-brand {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--white);
  padding-bottom: 14px;
  margin-bottom: 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.sidebar-active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  font-weight: 600;
  font-size: 0.78rem;
  padding: 8px 12px;
  border-radius: 8px;
  margin-bottom: 6px;
}

.sidebar-section {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.4);
  margin: 6px 8px 4px;
}

.sidebar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-list li {
  font-size: 0.74rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.7);
  position: relative;
  cursor: default;
}

.sidebar-list li::before {
  content: '›';
  display: inline-block;
  margin-right: 6px;
  color: rgba(255, 255, 255, 0.3);
  font-weight: 700;
}

.sidebar-list li.sidebar-folder-active {
  background: rgba(42, 142, 137, 0.18);
  color: var(--white);
}

.sidebar-list li.sidebar-folder-active::before {
  color: var(--secondary);
}

.platform-main {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.platform-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.platform-toolbar h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 2px;
}

.platform-toolbar-sub {
  font-size: 0.74rem;
  color: var(--muted);
}

.platform-btn {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(29, 115, 120, 0.25);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.project-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
  animation: project-glow 16s ease-in-out infinite;
}

.project-card-1 { animation-delay: 0s; }
.project-card-2 { animation-delay: 4s; }
.project-card-3 { animation-delay: 8s; }
.project-card-4 { animation-delay: 12s; }

@keyframes project-glow {
  0%, 6%, 100% {
    border-color: var(--border);
    box-shadow: 0 0 0 rgba(0,0,0,0);
    transform: translateY(0);
  }
  2%, 4% {
    border-color: var(--secondary);
    box-shadow: 0 8px 22px rgba(42, 142, 137, 0.22);
    transform: translateY(-3px);
  }
}

.project-card-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.project-folder {
  width: 32px;
  height: 32px;
  background: var(--light);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.project-card h5 {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 2px;
}

.project-meta {
  font-size: 0.66rem;
  color: var(--muted);
  font-weight: 500;
}

.project-tag {
  align-self: flex-start;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(29, 115, 120, 0.10);
  color: var(--primary);
}

.project-tag.tag-yellow {
  background: rgba(180, 83, 9, 0.10);
  color: var(--alarm);
}

.project-tag.tag-bespoke {
  background: rgba(42, 142, 137, 0.12);
  color: var(--secondary);
}

.project-doc {
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 500;
  padding: 6px 8px;
  background: var(--soft-bg);
  border-radius: 6px;
}

.project-open {
  align-self: stretch;
  background: var(--light);
  color: var(--primary);
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  padding: 7px 10px;
  cursor: default;
  pointer-events: none;
}

/* ===== Nasıl Çalışır Section ===== */
.how-it-works {
  background: var(--white);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
  margin-bottom: 70px;
}

.steps::before {
  content: '';
  position: absolute;
  top: 45px;
  left: 15%;
  right: 15%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
  border-radius: 2px;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  font-size: 1.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(29, 115, 120, 0.25);
}

.step h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--dark);
  max-width: 260px;
  min-height: 3.2em;
  margin: 0 auto 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.35;
}

.step p {
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 260px;
  margin: 0 auto;
}

/* ===== Demo Showcase + Mock Pencere ===== */
.demo-showcase {
  background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
  border-radius: 24px;
  padding: 36px 36px 32px;
  position: relative;
  overflow: hidden;
}

/* Showcase tabs */
.showcase-tabs {
  display: inline-flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 4px;
  border-radius: 100px;
  margin-bottom: 28px;
  position: relative;
  z-index: 2;
}

.showcase-tab {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: 100px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.showcase-tab:hover {
  color: var(--white);
}

.showcase-tab.is-active {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Slider track */
.showcase-slider {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-radius: 16px;
}

.showcase-track {
  display: flex;
  width: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.showcase-slide {
  flex: 0 0 100%;
  min-width: 0;
}

/* Dot indicators */
.showcase-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 22px;
  position: relative;
  z-index: 2;
}

.showcase-dot {
  width: 26px;
  height: 6px;
  border: none;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), width var(--transition);
}

.showcase-dot:hover {
  background: rgba(255, 255, 255, 0.45);
}

.showcase-dot.is-active {
  background: var(--white);
  width: 40px;
}

.demo-showcase::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(42, 142, 137, 0.35) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.demo-showcase-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.25fr;
  gap: 36px;
  align-items: center;
  position: relative;
  z-index: 1;
  padding: 4px;
}

.demo-showcase-text h3 {
  color: var(--white);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
}

.demo-showcase-text p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.96rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

.demo-showcase-list {
  list-style: none;
}

.demo-showcase-list li {
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.92rem;
  padding: 7px 0;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  line-height: 1.55;
}

.demo-showcase-list li::before {
  content: '→';
  color: var(--white);
  font-weight: 700;
  flex-shrink: 0;
  opacity: 0.9;
}

/* Mock Pencere */
.demo-mockup-window {
  background: var(--white);
  border-radius: 14px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.28);
  overflow: hidden;
  font-size: 0.82rem;
}

.mockup-header {
  background: var(--dark);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.mockup-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}

.mockup-dot:nth-child(1) { background: #ff5f57; }
.mockup-dot:nth-child(2) { background: #febc2e; }
.mockup-dot:nth-child(3) { background: #28c840; }

.mockup-title {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.72rem;
  font-weight: 600;
  margin-left: auto;
  letter-spacing: 0.3px;
}

.mockup-body {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  min-height: 360px;
}

.mockup-side {
  background: var(--soft-bg);
  border-right: 1px solid var(--border);
  padding: 14px;
}

.mockup-side-title {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.email-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.email-row {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 0.74rem;
  color: var(--dark);
  position: relative;
  overflow: hidden;
  animation: pulse-row 16s ease-in-out infinite;
}

.email-row-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

.email-row-1 { animation-delay: 0s; }
.email-row-2 { animation-delay: 4s; }
.email-row-3 { animation-delay: 8s; }
.email-row-4 { animation-delay: 12s; }

.email-chip {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.chip-received {
  background: var(--alarm-soft);
  color: var(--alarm);
}

.chip-sent {
  background: rgba(42, 142, 137, 0.12);
  color: var(--secondary);
}

@keyframes pulse-row {
  0%, 6%, 100% {
    background: var(--white);
    box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    transform: translateY(0);
  }
  2% {
    background: rgba(42, 142, 137, 0.18);
    box-shadow: 0 4px 12px rgba(42, 142, 137, 0.18);
    transform: translateY(-2px);
  }
}

/* Sohbet paneli */
.mockup-chat {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--white);
}

.chat-bubble {
  max-width: 96%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.8rem;
  line-height: 1.6;
}

.chat-bubble-user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  border-bottom-right-radius: 4px;
}

.chat-bubble-ai {
  align-self: flex-start;
  background: var(--soft-bg);
  border: 1px solid var(--border);
  color: var(--dark);
  border-bottom-left-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 100%;
}

.typing-indicator {
  align-self: flex-start;
  background: var(--soft-bg);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 12px;
  border-bottom-left-radius: 4px;
  display: inline-flex;
  gap: 4px;
  animation: typing-cycle 12s infinite;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  display: inline-block;
  animation: typing-dots 1.2s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-dots {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40% { transform: translateY(-3px); opacity: 1; }
}

@keyframes typing-cycle {
  0%, 8% { opacity: 1; transform: scale(1); }
  9%, 100% { opacity: 0; transform: scale(0.9); pointer-events: none; }
}

.reveal-line {
  opacity: 0;
  animation: text-reveal 12s infinite;
}

.reveal-line-1 { animation-delay: 1.2s; }
.reveal-line-2 { animation-delay: 2.0s; }
.reveal-line-3 { animation-delay: 2.8s; }

@keyframes text-reveal {
  0% { opacity: 0; transform: translateY(6px); }
  10%, 100% { opacity: 1; transform: translateY(0); }
}

.draft-response {
  background: linear-gradient(135deg, rgba(29, 115, 120, 0.08), rgba(42, 142, 137, 0.06));
  border: 1px dashed var(--secondary);
  border-radius: 8px;
  padding: 18px 18px 14px;
  font-size: 0.78rem;
  color: var(--dark);
  position: relative;
  margin-top: 6px;
}

.draft-tag {
  position: absolute;
  top: -9px;
  left: 12px;
  background: var(--secondary);
  color: var(--white);
  font-size: 0.55rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 1px;
}

.draft-letter {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.draft-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 10px;
  margin-bottom: 4px;
  border-bottom: 1px dashed rgba(20, 85, 88, 0.25);
}

.draft-meta-row {
  display: flex;
  gap: 8px;
  font-size: 0.74rem;
  color: var(--accent);
  line-height: 1.5;
}

.draft-meta-label {
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
  min-width: 38px;
}

.draft-greeting {
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--dark);
}

.draft-body {
  font-size: 0.76rem;
  color: var(--dark);
  line-height: 1.7;
  text-align: left;
}

.draft-sign {
  font-style: italic;
  font-size: 0.76rem;
  color: var(--accent);
  margin-top: 2px;
}

/* ===== Personas / Kimler İçin ===== */
.personas-section {
  background: var(--soft-bg);
}

.personas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.persona-card {
  background: var(--white);
  padding: 36px 32px;
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.persona-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.persona-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.persona-icon svg {
  width: 32px;
  height: 32px;
  color: var(--white);
}

.persona-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.persona-description {
  font-size: 0.94rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 22px;
}

.persona-benefits {
  background: var(--light);
  padding: 18px 20px;
  border-radius: 12px;
}

.persona-benefits-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.persona-benefits ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.persona-benefits li {
  font-size: 0.86rem;
  color: var(--dark);
  padding: 4px 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.55;
}

.persona-benefits li::before {
  content: '✓';
  color: var(--secondary);
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== Hakkımızda ===== */
.about-section {
  background: var(--white);
}

.about-intro {
  max-width: 720px;
  margin: 0 auto 50px;
  text-align: center;
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
}

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

.partner-card {
  background: var(--white);
  padding: 30px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.partner-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.partner-role {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.partner-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.partner-card p {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 14px;
}

.partner-link {
  color: var(--primary);
  font-size: 0.86rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition);
}

.partner-link:hover {
  color: var(--secondary);
}

.partner-byline {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.3px;
  padding: 4px 10px;
  background: var(--light);
  border-radius: 100px;
}

/* ===== İletişim Section ===== */
.contact {
  background: linear-gradient(135deg, var(--dark) 0%, #1D7378 100%);
  color: var(--white);
}

.contact .section-title {
  color: var(--white);
}

.contact .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.85);
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  transition: border-color var(--transition), background var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--secondary);
  background: rgba(255, 255, 255, 0.15);
}

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

.btn-submit {
  grid-column: 1 / -1;
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 15px rgba(42, 157, 143, 0.3);
  font-family: 'Montserrat', sans-serif;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(42, 157, 143, 0.4);
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 28px;
  font-size: 0.9rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .footer-logo {
  display: inline-block;
  margin-bottom: 14px;
}

.footer-brand .footer-logo img {
  height: 32px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.88rem;
  max-width: 320px;
  line-height: 1.65;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a,
.footer-col li {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.88rem;
  transition: color var(--transition);
}

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

.footer-partners {
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 20px;
}

.footer-partners-label {
  font-size: 0.66rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
  text-align: center;
}

.footer-partners-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-partner {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  font-weight: 600;
  transition: color var(--transition);
}

a.footer-partner:hover {
  color: var(--secondary);
}

.footer-partner-divider {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.8rem;
}

.footer-bottom {
  text-align: center;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.8rem;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content .hero-badge {
    align-self: center;
  }

  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .trust-line {
    justify-content: center;
  }

  .hero-visual {
    height: 280px;
  }

  .hero-content h1 {
    font-size: 2.4rem;
  }

  .features-grid,
  .personas-grid {
    grid-template-columns: 1fr;
  }

  .problem-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .demo-showcase-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .demo-showcase {
    padding: 36px 28px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    gap: 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links .lang-switch {
    align-self: center;
  }

  .hamburger {
    display: flex;
  }

  .section {
    padding: 70px 0;
  }

  .section-title {
    font-size: 1.7rem;
  }

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

  .hero-visual {
    height: 220px;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 36px;
    margin-bottom: 44px;
  }

  .steps::before {
    display: none;
  }

  .demo-showcase {
    padding: 24px 16px 22px;
  }

  .demo-showcase-text h3 {
    font-size: 1.3rem;
  }

  .showcase-tabs {
    width: 100%;
    justify-content: center;
    margin-bottom: 18px;
  }

  .showcase-tab {
    padding: 8px 14px;
    font-size: 0.76rem;
  }

  .mockup-body {
    grid-template-columns: 1fr;
  }

  .mockup-side {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .platform-body {
    grid-template-columns: 1fr;
  }

  .platform-sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
    padding: 12px;
  }

  .sidebar-brand {
    width: 100%;
    padding-bottom: 8px;
    margin-bottom: 0;
  }

  .sidebar-active,
  .sidebar-section,
  .sidebar-list {
    display: none;
  }

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

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: center;
  }

  .footer-brand p {
    margin: 0 auto;
  }

  .footer-col ul {
    align-items: center;
  }

  .footer-partners-list {
    gap: 14px;
  }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  .hero-shape,
  .hero-shape-1,
  .hero-shape-2,
  .hero-shape-3,
  .hero-shape-4,
  .hero-shape-5,
  .email-row,
  .reveal-line,
  .typing-indicator,
  .typing-indicator span {
    animation: none !important;
  }

  .reveal-line {
    opacity: 1 !important;
    transform: none !important;
  }

  .typing-indicator {
    display: none;
  }

  html {
    scroll-behavior: auto;
  }
}