/* ── Süreç — Sayfa Özel Stiller ── */

/* Overview Stats */
.overview {
  padding: 60px max(24px, calc((100% - 1280px) / 2 + 56px));
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-100);
}
.over-grid  { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.over-block { padding: 0 0 0 24px; border-left: 2px solid var(--blue); }
.over-num   { font-family: var(--font-display); font-weight: 800; font-size: 36px; letter-spacing: -.03em; line-height: 1; margin-bottom: 10px; }
.over-label { font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--gray-400); margin-bottom: 8px; }
.over-text  { font-size: 13px; color: var(--gray-600); line-height: 1.55; font-weight: 300; }

/* Timeline */
.timeline { padding: 88px max(24px, calc((100% - 1280px) / 2 + 56px)); position: relative; }
.tl-header { margin-bottom: 64px; max-width: 720px; }
.tl-header h2 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(32px, 3.5vw, 46px); letter-spacing: -.03em; line-height: 1.05; margin-bottom: 16px;
}
.tl-header p { font-size: 15px; color: var(--gray-600); line-height: 1.7; font-weight: 300; }

.tl-wrap { position: relative; max-width: 1100px; }
.tl-wrap::before {
  content: '';
  position: absolute; left: 31px; top: 14px; bottom: 14px; width: 2px;
  background: var(--gray-200);
}
.tl-step {
  position: relative;
  padding: 0 0 56px 88px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start;
}
.tl-step:last-child { padding-bottom: 0; }
.tl-marker {
  position: absolute; left: 0; top: 0;
  width: 64px; height: 64px; border-radius: 16px;
  background: var(--white); border: 2px solid var(--blue);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 2;
}
.tl-marker .num  { font-family: var(--font-mono); font-size: 9px; color: var(--gray-400); letter-spacing: .05em; }
.tl-marker .icon { font-size: 18px; color: var(--blue); margin-top: 2px; }

.tl-content .duration {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--blue); margin-bottom: 14px;
  background: rgba(85, 0, 196, .06); padding: 5px 10px; border-radius: 100px;
}
.tl-content h3 { font-family: var(--font-display); font-weight: 800; font-size: 26px; letter-spacing: -.025em; line-height: 1.1; margin-bottom: 14px; }
.tl-content .lead { font-size: 14.5px; color: var(--gray-600); line-height: 1.7; font-weight: 300; }

.tl-deliv       { background: var(--gray-50); border: 1px solid var(--gray-100); border-radius: 14px; padding: 24px; }
.tl-deliv-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .1em; color: var(--gray-400); margin-bottom: 14px; }
.tl-deliv-list  { list-style: none; }
.tl-deliv-list li {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 7px 0; font-size: 13px; color: var(--gray-600); line-height: 1.5; font-weight: 300;
}
.tl-deliv-list li i      { color: var(--blue); font-size: 9px; margin-top: 6px; flex-shrink: 0; }
.tl-deliv-list li strong { color: var(--black); font-weight: 500; }

/* Principles */
.principles {
  padding: 88px max(24px, calc((100% - 1280px) / 2 + 56px));
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
}
.princ-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 52px; }
.princ-card {
  background: var(--white); border: 1px solid var(--gray-100); border-radius: 16px; padding: 32px;
  transition: border-color .2s, transform .2s;
}
.princ-card:hover { border-color: var(--gray-200); transform: translateY(-2px); }
.princ-icon {
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--gray-50); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; margin-bottom: 20px;
}
.princ-num   { font-family: var(--font-mono); font-size: 11px; color: var(--blue); margin-bottom: 10px; }
.princ-title { font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: -.02em; margin-bottom: 10px; }
.princ-desc  { font-size: 13px; color: var(--gray-600); line-height: 1.65; font-weight: 300; }

/* Tools */
.tools { padding: 88px max(24px, calc((100% - 1280px) / 2 + 56px)); }
.tools-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; background: var(--gray-100);
  border: 1px solid var(--gray-100); border-radius: 16px; overflow: hidden;
  margin-top: 52px;
}
.tool-row {
  background: var(--white); padding: 24px 28px;
  display: grid; grid-template-columns: 160px 1fr; gap: 24px; align-items: center;
  transition: background .2s;
}
.tool-row:hover { background: var(--gray-50); }
.tool-phase {
  font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--gray-400); display: flex; align-items: center; gap: 8px;
}
.tool-phase i { color: var(--blue); font-size: 11px; }
.tool-list { font-size: 13px; color: var(--gray-600); line-height: 1.65; font-weight: 300; }
.tool-list strong { color: var(--black); font-weight: 500; font-family: var(--font-mono); font-size: 12px; }

/* Responsive */
@media (max-width: 980px) {
  .over-grid  { grid-template-columns: 1fr 1fr; gap: 32px; }
  .tl-step    { grid-template-columns: 1fr; gap: 24px; }
  .princ-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .tool-row   { grid-template-columns: 1fr; gap: 10px; }
}
@media (max-width: 900px) {
  .overview  { padding: 40px 24px; }
  .timeline  { padding: 60px 24px; }
  .principles { padding: 60px 24px; }
  .tools     { padding: 60px 24px; }
}