/* ============================================================
   BPM Big Picture – Stylesheet
   Design-Referenz: "Sag Mal...?" Podcast (komus.de)
   Helles Design · Navy-Blau · Geometrisches Muster
   ============================================================ */

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

:root {
  /* Sag-Mal Farbpalette */
  --navy:       #1a3275;   /* Hauptfarbe: tiefes Navy-Blau */
  --navy-dark:  #122057;   /* Dunkleres Navy für Hover etc. */
  --navy-light: #2a4fa0;   /* Helleres Navy für Links */
  --bg:         #e9ecf2;   /* Seitenhintergrund: kühles Hellgrau */
  --bg-card:    #ffffff;   /* Weiße Cards */
  --bg-section: #f2f4f8;   /* Abwechselnde Sections */
  --text:       #1a2340;   /* Fast-Schwarz für Fließtext */
  --muted:      #5a6a85;   /* Gedämpftes Grau-Blau */
  --border:     #d0d8e8;   /* Subtile Trennlinien */
  --accent:     #1a3275;   /* Akzentfarbe = Navy */

  /* Typografie */
  --font-sans: "Inter", "Segoe UI", Arial, sans-serif;

  /* Layout */
  --container: 1140px;
  --radius:    16px;
  --section-gap: 88px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  /* Geometrisches Hintergrundmuster à la Sag Mal */
  background-image:
    linear-gradient(135deg, rgba(26,50,117,0.045) 25%, transparent 25%),
    linear-gradient(225deg, rgba(26,50,117,0.045) 25%, transparent 25%),
    linear-gradient(315deg, rgba(26,50,117,0.045) 25%, transparent 25%),
    linear-gradient(45deg,  rgba(26,50,117,0.045) 25%, transparent 25%);
  background-size: 60px 60px;
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---- Typografie ---- */
h1, h2, h3 { line-height: 1.15; font-weight: 800; color: var(--navy); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin-bottom: 12px; }
h3 { font-size: 1.05rem; }
p  { color: var(--muted); line-height: 1.75; }
a  { color: var(--navy); text-decoration: none; }

/* ---- Layout ---- */
.container {
  width: min(var(--container), 100%);
  margin-inline: auto;
  padding-inline: 28px;
}
section { padding-block: var(--section-gap); }

/* ---- Section Label ---- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 18px;
}
.section-label::before {
  content: '';
  display: block;
  width: 28px; height: 3px;
  background: var(--navy);
  border-radius: 2px;
}

/* ---- Navigation ---- */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(233, 236, 242, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--navy);
  text-transform: uppercase;
}
.nav-brand span { color: var(--navy-light); }
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  font-size: 0.88rem;
  font-weight: 600;
}
.nav-links a { color: var(--muted); transition: color 0.2s; }
.nav-links a:hover { color: var(--navy); }
.nav-cta {
  background: var(--navy);
  color: #fff !important;
  padding: 9px 20px;
  border-radius: 8px;
  font-weight: 700;
  transition: background 0.2s, transform 0.15s;
}
.nav-cta:hover { background: var(--navy-light); transform: translateY(-1px); }
@media (max-width: 680px) { .nav-links { display: none; } }

/* ---- Hero ---- */
.hero {
  padding-top: 130px;
  padding-bottom: 80px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
/* Dekorative Geometrie im Hero (Sag-Mal-Stil: große abgeflachte Formen im Hintergrund) */
.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -180px;
  width: 550px; height: 550px;
  background: rgba(26,50,117,0.055);
  transform: rotate(25deg);
  clip-path: polygon(30% 0%, 100% 0%, 70% 100%, 0% 100%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -100px;
  width: 400px; height: 400px;
  background: rgba(26,50,117,0.04);
  transform: rotate(-15deg);
  clip-path: polygon(15% 0%, 100% 0%, 85% 100%, 0% 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}
@media (max-width: 800px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-date-badge { display: none; }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--navy);
  border-radius: 999px;
  padding: 5px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 24px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.hero-badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--navy);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(1.5); }
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  letter-spacing: -0.03em;
  margin-bottom: 6px;
  color: var(--navy);
}
.hero h1 .subtitle-line {
  display: block;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--muted);
  letter-spacing: -0.01em;
  margin-top: 6px;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 560px;
  margin-top: 16px;
  margin-bottom: 36px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}
.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--navy);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 16px;
}
.hero-meta-item .icon { font-size: 1rem; }

/* Datum-Badge rechts im Hero */
.hero-date-badge {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  min-width: 160px;
  flex-shrink: 0;
}
.hero-date-badge .day {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  display: block;
}
.hero-date-badge .month {
  font-size: 1.1rem;
  font-weight: 700;
  opacity: 0.85;
  display: block;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero-date-badge .year {
  font-size: 0.85rem;
  opacity: 0.6;
  display: block;
  margin-top: 4px;
}
.hero-date-badge .time {
  display: block;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.2);
  font-size: 0.88rem;
  font-weight: 600;
  opacity: 0.9;
}

/* ---- Buttons ---- */
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 10px;
  font-size: 0.97rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  font-family: var(--font-sans);
}
.btn-primary {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 6px 20px rgba(26,50,117,0.28);
}
.btn-primary:hover { background: var(--navy-light); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(26,50,117,0.38); }
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: #fff; }

/* ---- Organizers Strip ---- */
.organizers-strip {
  padding-block: 28px;
  background: var(--navy);
  color: #fff;
}
.organizers-strip-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 28px;
  justify-content: center;
}
.org-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.6;
}
.organizer-chip {
  font-size: 0.88rem;
  font-weight: 700;
  opacity: 0.9;
}
.org-sep {
  width: 1px; height: 18px;
  background: rgba(255,255,255,0.25);
}
@media (max-width: 500px) { .org-sep { display: none; } }

/* ---- About ---- */
.about { background: var(--bg-card); }
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-lead {
  font-size: 1.1rem;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 18px;
  font-weight: 500;
}
.about-body {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-highlights { display: grid; gap: 14px; }
.highlight-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.highlight-card:hover {
  border-color: rgba(26,50,117,0.3);
  box-shadow: 0 4px 16px rgba(26,50,117,0.08);
}
.highlight-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 1px; }
.highlight-card h3 { color: var(--navy); font-size: 0.92rem; margin-bottom: 3px; }
.highlight-card p  { color: var(--muted); font-size: 0.85rem; margin: 0; line-height: 1.5; }
@media (max-width: 780px) { .about-grid { grid-template-columns: 1fr; gap: 36px; } }

/* ---- Speakers ---- */
.speakers { background: var(--bg-section); }
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

/* Speaker Card – Sag-Mal-Quote-Stil */
.speaker-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}
.speaker-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(26,50,117,0.13);
}

/* Foto-Bereich: quadratisch mit Navy-Overlay-Gradient unten */
.speaker-photo-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg);
}
.speaker-photo-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.4s;
}
.speaker-card:hover .speaker-photo-wrap img { transform: scale(1.04); }
.speaker-photo-wrap::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 50%;
  background: linear-gradient(to top, rgba(26,50,117,0.75), transparent);
  pointer-events: none;
}
.speaker-photo-name {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 18px 20px 16px;
  z-index: 1;
  color: #fff;
}
.speaker-photo-name .name { font-size: 1rem; font-weight: 800; display: block; }
.speaker-photo-name .role { font-size: 0.78rem; opacity: 0.85; font-weight: 500; display: block; margin-top: 2px; }

/* Placeholder wenn kein Foto */
.speaker-photo-placeholder {
  width: 100%; height: 100%;
  display: grid; place-items: center;
  font-size: 3.5rem;
  background: linear-gradient(135deg, var(--bg), #d5dbed);
}

/* Info-Bereich */
.speaker-info { padding: 22px; flex: 1; display: flex; flex-direction: column; gap: 12px; }
.speaker-talk {
  font-size: 0.88rem;
  color: var(--navy);
  font-weight: 700;
  line-height: 1.45;
}
/* Zitat-Box im Sag-Mal-Stil */
.speaker-statement {
  position: relative;
  padding: 16px 18px 16px 22px;
  background: var(--bg);
  border-radius: 10px;
  border-left: 4px solid var(--navy);
  margin-top: auto;
}
.speaker-statement::before {
  content: '\201C'; /* öffnendes Anführungszeichen */
  position: absolute;
  top: -8px; left: 10px;
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--navy);
  line-height: 1;
  opacity: 0.5;
}
.speaker-statement p {
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.55;
  font-weight: 500;
  margin: 0;
}

.speaker-tbd {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
  gap: 8px;
}
.speaker-tbd strong { color: var(--navy); font-size: 0.92rem; }

/* ---- Agenda ---- */
.agenda { background: var(--bg-card); }

.agenda-list {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.agenda-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.agenda-row:hover { border-color: rgba(26,50,117,0.3); }

.agenda-time {
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  padding: 16px 10px;
  text-align: center;
}
.agenda-content {
  padding: 14px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
}
.agenda-event-label { font-size: 0.95rem; font-weight: 700; color: var(--navy); }
.agenda-event-sub   { font-size: 0.82rem; color: var(--muted); line-height: 1.4; }
.agenda-speaker {
  padding: 14px 20px;
  display: flex;
  align-items: center;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 600;
  text-align: right;
  max-width: 220px;
}

/* Break rows */
.agenda-row.break .agenda-time { background: #4a7a8a; }
.agenda-row.break { background: #eef6f8; border-color: #b8d8e0; }
.agenda-row.break .agenda-event-label { color: #4a7a8a; }

/* Panel row */
.agenda-row.panel .agenda-time { background: #c8a820; }
.agenda-row.panel { background: #fdf8e8; border-color: #e8d88a; }
.agenda-row.panel .agenda-event-label { color: #8a6a00; }

@media (max-width: 600px) {
  .agenda-row { grid-template-columns: 70px 1fr; }
  .agenda-speaker { display: none; }
}

/* ---- Hero Key Visual (Hintergrund rechts oben) ---- */
.hero-keyvisual-bg {
  position: absolute;
  top: -30px;
  right: -40px;
  width: 480px;
  height: 480px;
  object-fit: contain;
  opacity: 0.18;
  pointer-events: none;
  filter: drop-shadow(0 12px 32px rgba(26,50,117,0.12));
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}
@media (max-width: 800px) {
  .hero-keyvisual-bg { width: 280px; height: 280px; opacity: 0.1; top: 60px; right: -20px; }
}
@media (max-width: 500px) {
  .hero-keyvisual-bg { display: none; }
}

/* ---- Register CTA ---- */
.register-cta {
  background: var(--navy);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
/* Key Visual als dekoratives Ghost-Element rechts im CTA */
.cta-keyvisual {
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 300px;
  height: 300px;
  object-fit: contain;
  opacity: 0.1;
  pointer-events: none;
  filter: brightness(10);
}
@media (max-width: 600px) {
  .cta-keyvisual { width: 180px; height: 180px; right: -20px; bottom: -20px; }
}
.register-cta h2 {
  color: #fff;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: 14px;
}
.register-cta p {
  color: rgba(255,255,255,0.7);
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: 40px;
  font-size: 1.05rem;
}
.btn-white {
  background: #fff;
  color: var(--navy);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}
.btn-white:hover { background: var(--bg); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0,0,0,0.25); }
.register-cta .meta {
  margin-top: 24px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}

/* ---- Footer ---- */
footer {
  padding-block: 28px;
  background: var(--navy-dark);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
}
.footer-inner a { color: rgba(255,255,255,0.45); }
.footer-inner a:hover { color: rgba(255,255,255,0.8); }