/* ==========================================================================
   אתר הרצאות – משה שטרנברג
   קובץ עיצוב בלבד. אין כאן טקסט תוכן (התוכן נמצא ב-js/content.js).
   אם רוצים לשנות צבעים / גדלים כלליים – משנים כאן את המשתנים למעלה (:root).
   ========================================================================== */

:root {
  /* --- פלטת צבעים --- */
  --color-navy: #1c3652;
  --color-navy-dark: #122436;
  --color-gold: #c8973f;
  --color-gold-light: #e4c079;
  --color-cream: #faf6ee;
  --color-cream-dark: #f1e9d8;
  --color-white: #ffffff;
  --color-text: #2b2b2b;
  --color-text-muted: #6b6b6b;
  --color-border: #e4ddce;

  /* --- טיפוגרפיה --- */
  --font-main: 'Heebo', 'Segoe UI', Arial, sans-serif;

  /* --- מידות --- */
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-soft: 0 6px 24px rgba(28, 54, 82, 0.09);
  --shadow-strong: 0 14px 40px rgba(28, 54, 82, 0.18);
  --container-width: 1180px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--color-cream);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 24px;
}

a { color: inherit; }

/* ==========================================================================
   HERO / כותרת ראשית
   ========================================================================== */

.hero {
  background: linear-gradient(160deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: var(--color-white);
  padding: 72px 0 88px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -60% -10%;
  height: 260px;
  background: radial-gradient(ellipse at center, rgba(200, 151, 63, 0.25), transparent 70%);
  pointer-events: none;
}

.hero-title {
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  font-weight: 800;
  margin: 0 0 14px;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-gold-light);
  max-width: 620px;
  margin-inline: auto;
  font-weight: 400;
}

.hero-subtitle:empty,
.hero-cta:empty {
  display: none;
}

.hero-cta {
  margin: 22px 0 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(228, 192, 121, 0.5);
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  direction: ltr;
}

/* ==========================================================================
   קטגוריות
   ========================================================================== */

.category {
  padding: 64px 0;
}

.category:nth-of-type(even) {
  background: var(--color-cream-dark);
}

.category-header {
  max-width: 760px;
  margin: 0 auto 40px;
  text-align: center;
}

.category-title {
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  font-weight: 800;
  color: var(--color-navy);
  margin: 0 0 14px;
  position: relative;
  display: inline-block;
}

.category-title::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  background: var(--color-gold);
  border-radius: 4px;
  margin: 14px auto 0;
}

.category-intro {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  white-space: pre-line;
}

/* ==========================================================================
   גריד כרטיסים
   ========================================================================== */

.lecture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
  align-items: start;
}

/* ==========================================================================
   כרטיס הרצאה
   ========================================================================== */

.lecture-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
  border: 1px solid var(--color-border);
}

.lecture-card:hover {
  box-shadow: var(--shadow-strong);
  transform: translateY(-3px);
}

.lecture-card.is-open {
  grid-column: 1 / -1;
  box-shadow: var(--shadow-strong);
}

.lecture-card-media {
  aspect-ratio: 4 / 3;
  width: 100%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-cream-dark), var(--color-border));
  position: relative;
}

.lecture-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lecture-card-media.is-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lecture-card-media.is-placeholder::before {
  content: "";
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 2.5px dashed var(--color-gold);
  opacity: 0.55;
}

.lecture-card-body {
  padding: 20px 22px 22px;
}

.lecture-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-navy);
  margin: 0 0 4px;
}

.lecture-card-subtitle {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin: 0 0 14px;
}

.lecture-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
  cursor: pointer;
  font-family: inherit;
  color: var(--color-navy);
  font-size: 0.98rem;
  font-weight: 600;
  text-align: start;
}

.lecture-toggle-icon {
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1;
  transition: transform 0.25s ease, background 0.25s ease;
}

.lecture-card.is-open .lecture-toggle-icon {
  background: var(--color-navy);
}

/* ==========================================================================
   פאנל פרטים (נפתח)
   ========================================================================== */

.lecture-details {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
}

.lecture-card.is-open .lecture-details {
  grid-template-rows: 1fr;
}

.lecture-details-inner {
  overflow: hidden;
}

.lecture-details-content {
  padding: 4px 22px 30px;
  border-top: 1px solid var(--color-border);
  margin-top: 4px;
  display: grid;
  gap: 26px;
  max-width: 760px;
}

.lecture-details-content p {
  margin: 0 0 12px;
  color: var(--color-text);
}

.lecture-section-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0 0 10px;
}

.lecture-recommendations {
  display: grid;
  gap: 14px;
}

.recommendation-item {
  background: var(--color-cream);
  border-inline-start: 3px solid var(--color-gold);
  border-radius: 8px;
  padding: 14px 16px;
}

.recommendation-text {
  margin: 0 0 6px;
  font-style: italic;
  color: var(--color-text);
}

.recommendation-author {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-navy);
}

/* ==========================================================================
   כפתור מינוס צף
   ========================================================================== */

.floating-close {
  position: fixed;
  bottom: 26px;
  left: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-navy);
  color: var(--color-white);
  border: none;
  border-radius: 999px;
  padding: 10px 20px 10px 10px;
  box-shadow: var(--shadow-strong);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  z-index: 500;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  max-width: min(340px, calc(100vw - 40px));
}

.floating-close.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.floating-close-icon {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
}

.floating-close-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 600px) {
  .floating-close {
    left: 16px;
    right: 16px;
    bottom: 16px;
    justify-content: center;
  }
  .floating-close-label {
    max-width: 60vw;
  }
}

/* ==========================================================================
   קרוסלה (המלצות כלליות + גלריית מרצה)
   ========================================================================== */

.carousel-section {
  padding: 60px 0;
  text-align: center;
}

.carousel-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--color-navy);
  margin: 0 0 36px;
}

.carousel-wrap {
  position: relative;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 56px;
}

.carousel-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 6px 4px 16px;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.carousel-track::-webkit-scrollbar { display: none; }

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-navy);
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.carousel-arrow:hover { background: var(--color-cream-dark); }
.carousel-arrow.prev { right: 0; }
.carousel-arrow.next { left: 0; }

/* --- כרטיס המלצה --- */

.testimonial-card {
  flex: 0 0 auto;
  width: min(340px, 82vw);
  scroll-snap-align: start;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  padding: 26px 24px;
  text-align: start;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonial-quote {
  font-size: 1.02rem;
  color: var(--color-text);
  font-style: italic;
  margin: 0;
}

.testimonial-author {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-gold);
}

/* --- תמונת גלריה --- */

.gallery-card {
  flex: 0 0 auto;
  width: min(300px, 78vw);
  aspect-ratio: 3 / 4;
  scroll-snap-align: start;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   יצירת קשר
   ========================================================================== */

.contact-section {
  background: linear-gradient(160deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: var(--color-white);
  padding: 72px 0;
  text-align: center;
}

.contact-title {
  font-size: clamp(1.6rem, 3.2vw, 2.1rem);
  font-weight: 800;
  margin: 0 0 12px;
}

.contact-bio {
  color: var(--color-gold-light);
  max-width: 560px;
  margin: 0 auto 34px;
  font-size: 1.02rem;
}

.contact-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #25d366;
  color: #ffffff;
  text-decoration: none;
  padding: 16px 32px;
  border-radius: 999px;
  font-size: 1.1rem;
  font-weight: 700;
  box-shadow: var(--shadow-strong);
  transition: transform 0.2s ease;
}

.contact-whatsapp:hover { transform: translateY(-2px); }

.contact-whatsapp svg { width: 24px; height: 24px; fill: currentColor; }

.contact-phone {
  margin-top: 22px;
  font-size: 1.05rem;
  color: var(--color-white);
  opacity: 0.85;
  direction: ltr;
  display: inline-block;
}

/* ==========================================================================
   פוטר
   ========================================================================== */

.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
  padding: 22px 0;
  font-size: 0.85rem;
}

/* ==========================================================================
   רספונסיביות כללית
   ========================================================================== */

@media (max-width: 700px) {
  .carousel-wrap { padding-inline: 46px; }
  .lecture-grid { gap: 20px; }
  .category { padding: 48px 0; }
}

@media (max-width: 460px) {
  .carousel-arrow { width: 36px; height: 36px; font-size: 1.1rem; }
  .carousel-wrap { padding-inline: 40px; }
}