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

:root {
  --bg: #0a0a0a;
  --bg-card: #111111;
  --text: #f5f5f5;
  --text-muted: #888888;
  --accent: #ffffff;
  --border: #222222;
  --font: 'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

/* CONTAINER */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* NAVBAR */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 20px 0;
  transition: background 0.3s, backdrop-filter 0.3s;
}
.navbar.scrolled {
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-container {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-size: 1.1rem; font-weight: 800;
  color: var(--text); text-decoration: none; letter-spacing: 0.05em;
}
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-link {
  color: var(--text-muted); text-decoration: none; font-size: 0.9rem;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text); }

/* BUTTONS */
.btn {
  display: inline-block; padding: 12px 28px;
  font-size: 0.9rem; font-weight: 600; text-decoration: none;
  cursor: pointer; transition: all 0.2s; border: none;
  letter-spacing: 0.02em;
}
.btn-primary { background: var(--text); color: var(--bg); }
.btn-primary:hover { background: #e0e0e0; }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--text); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }

/* HERO */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-label {
  font-size: 0.75rem; font-weight: 600;
  color: var(--text-muted); letter-spacing: 0.15em;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(1.7rem, 3.6vw, 3.3rem);
  font-weight: 900; line-height: 1.05;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero-subtitle {
  font-size: 1.1rem; color: var(--text-muted);
  margin-bottom: 40px; line-height: 1.7;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.hero-note { font-size: 0.8rem; color: var(--text-muted); }
.hero-image {
  position: relative;
  max-width: 67%;
  margin-left: auto;
}
.hero-photo {
  width: 100%;
  object-fit: contain;
  border: 1px solid var(--border);
  filter: grayscale(20%);
  display: block;
}

/* SOCIAL ICONS */
.hero-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.social-link {
  color: var(--text-muted);
  transition: color 0.2s, transform 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-link:hover {
  color: var(--text);
  transform: translateY(-2px);
}

/* SECTIONS */
section { padding: 100px 0; }
.section-label {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.15em;
  color: var(--text-muted); margin-bottom: 16px; text-transform: uppercase;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; margin-bottom: 60px;
  letter-spacing: -0.02em; line-height: 1.1;
}

/* PAIN SECTION */
.pain { background: var(--bg); border-top: 1px solid var(--border); }
.pain-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0;
}
.pain-item {
  padding: 32px 0; border-bottom: 1px solid var(--border);
  display: flex; align-items: flex-start; gap: 16px;
  font-size: 1rem; color: var(--text-muted);
}
.pain-item:nth-child(odd) { padding-right: 40px; }
.pain-item:nth-child(even) { padding-left: 40px; border-left: 1px solid var(--border); }
.pain-dash { color: var(--text-muted); flex-shrink: 0; }

/* BENEFITS SECTION */
.benefits { background: var(--bg-card); }
.benefits-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--border);
}
.benefit-card {
  background: var(--bg-card); padding: 40px 32px;
  transition: background 0.2s;
}
.benefit-card:hover { background: #161616; }
.benefit-number {
  font-size: 0.75rem; color: var(--text-muted);
  margin-bottom: 16px; font-weight: 600; letter-spacing: 0.1em;
}
.benefit-title { font-size: 1.1rem; font-weight: 600; }

/* MODULES SECTION */
.modules { background: var(--bg); border-top: 1px solid var(--border); }
.modules-desc {
  color: var(--text-muted); margin-bottom: 60px;
  max-width: 600px; font-size: 1rem;
}
.modules-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--border);
}
.module-item {
  background: var(--bg); padding: 40px 24px;
}
.module-number {
  font-size: 0.75rem; color: var(--text-muted);
  margin-bottom: 16px; font-weight: 700; letter-spacing: 0.1em;
}
.module-title { font-size: 1rem; font-weight: 600; line-height: 1.4; }

/* NOT FOR SECTION */
.not-for { background: var(--bg-card); border-top: 1px solid var(--border); }
.not-for-list { display: flex; flex-direction: column; gap: 0; }
.not-for-item {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 24px 0; border-bottom: 1px solid var(--border);
  font-size: 1rem; color: var(--text-muted);
}
.not-for-icon { color: #ff4444; font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }

/* CTA SECTION */
.cta-section {
  background: var(--bg); border-top: 1px solid var(--border);
  text-align: center; padding: 120px 0;
}
.cta-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800; margin-bottom: 16px;
  letter-spacing: -0.02em; line-height: 1.2;
}
.cta-subtitle {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 800; color: var(--text-muted);
  margin-bottom: 48px; letter-spacing: -0.02em;
}
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* FOOTER */
footer {
  background: var(--bg); border-top: 1px solid var(--border);
  padding: 48px 0;
}
.footer-content {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 24px;
}
.footer-logo { font-weight: 800; font-size: 1rem; letter-spacing: 0.05em; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a {
  color: var(--text-muted); text-decoration: none; font-size: 0.85rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: 0.8rem; color: var(--text-muted); }

/* FADE IN ANIMATION */
.fade-in {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* LANG SWITCHER */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-right: 16px;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 4px 2px;
  transition: color 0.2s;
  font-family: var(--font);
}

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

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

/* BLOG */
.blog { background: var(--bg); border-top: 1px solid var(--border); }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.blog-card {
  background: var(--bg);
  display: flex;
  flex-direction: column;
  transition: background 0.2s;
}
.blog-card:hover { background: #0f0f0f; }

.blog-image {
  overflow: hidden;
  aspect-ratio: 16/9;
}
.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}
.blog-card:hover .blog-image img { transform: scale(1.03); }

.blog-content {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--text);
}

.blog-excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 20px;
}

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

.blog-read {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: opacity 0.2s;
}
.blog-read:hover { opacity: 0.7; }

.blog-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.blog-load-more {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

/* IDEAFLOW PROMO */
.ideaflow-promo {
  background: #0d0d0d;
  border-top: 1px solid var(--border);
  padding: 100px 0;
}

.ideaflow-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.ideaflow-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #5a9e5a;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.ideaflow-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--text);
}

.ideaflow-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 420px;
}

.ideaflow-features {
  list-style: none;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ideaflow-features li {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.ideaflow-btn { margin-bottom: 16px; display: inline-block; }

.ideaflow-note {
  font-size: 0.75rem;
  color: #444;
  letter-spacing: 0.05em;
}

.if-marker {
  font-size: 0.7rem;
  font-weight: 700;
  color: #333;
  letter-spacing: 0.05em;
  min-width: 24px;
  flex-shrink: 0;
}

/* MOCK SCREEN */
.ideaflow-visual { position: relative; }

.ideaflow-screen {
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  overflow: hidden;
  background: #0f1a0f;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5);
}

.ideaflow-screen-bar {
  background: #1a2e1a;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid #2a3a2a;
}

.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28c840; }

.ideaflow-screen-url {
  font-size: 0.7rem;
  color: #5a7a5a;
  margin-left: 8px;
  font-family: monospace;
}

.ideaflow-screen-content {
  display: flex;
  min-height: 320px;
}

.if-sidebar {
  width: 140px;
  background: #1a2e1a;
  padding: 16px 12px;
  border-right: 1px solid #2a3a2a;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.if-logo {
  font-size: 0.75rem;
  font-weight: 800;
  color: #5a9e5a;
  padding: 8px 8px 16px;
  letter-spacing: 0.05em;
}

.if-nav-item {
  font-size: 0.7rem;
  color: #5a7a5a;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: default;
}

.if-nav-item.active {
  background: #2a4a2a;
  color: #9aca9a;
}

.if-main {
  flex: 1;
  padding: 20px;
  background: #0f1a0f;
}

.if-greeting {
  font-size: 0.85rem;
  font-weight: 600;
  color: #d4e8d4;
  margin-bottom: 16px;
}

.if-capture-bar {
  background: #1a2a1a;
  border: 1px solid #2a4a2a;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.7rem;
  color: #3a5a3a;
  margin-bottom: 20px;
}

.if-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.if-card {
  background: #141f14;
  border: 1px solid #2a3a2a;
  border-radius: 6px;
  padding: 10px 12px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.if-card-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  margin-top: 4px;
  flex-shrink: 0;
}
.green-dot { background: #4a9a4a; }
.blue-dot { background: #4a7aaa; }
.orange-dot { background: #aa7a3a; }

.if-card-title {
  font-size: 0.7rem;
  color: #8aaa8a;
  margin-bottom: 6px;
  line-height: 1.3;
}

.if-card-tags {
  display: flex;
  gap: 4px;
}

.if-card-tags span {
  font-size: 0.6rem;
  color: #3a5a3a;
  background: #1a2a1a;
  border: 1px solid #2a3a2a;
  padding: 2px 6px;
  border-radius: 3px;
}

/* BURGER */
.burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.burger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); transition: all 0.3s;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-image { order: -1; max-width: 100%; margin-left: 0; }
  .pain-grid { grid-template-columns: 1fr; }
  .pain-item:nth-child(even) { padding-left: 0; border-left: none; }
  .benefits-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-content { flex-direction: column; text-align: center; }
  .blog-grid { grid-template-columns: 1fr; }
  .ideaflow-grid { grid-template-columns: 1fr; gap: 48px; }
  .ideaflow-screen { display: none; }
  .nav-links { display: none; }
  .burger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: 60px; left: 0; right: 0;
    background: rgba(10,10,10,0.98);
    padding: 32px 24px; gap: 20px; border-bottom: 1px solid var(--border);
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}