/* Python Ankara — pythonankara.com */

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

:root {
  --color-bg: #fafaf8;
  --color-text: #111;
  --color-muted: #888;
  --color-subtle: #bbb;
  --color-border: #f0efea;
  --color-border-light: #f5f4ef;
  --color-brand: #306998;
  --color-green: #16a34a;
  --mono: "SF Mono", "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

/* ------------------------------------------------------------------ */
/* PHOTO STACK — desktop: draggable spread, mobile: tap-through deck  */
/* ------------------------------------------------------------------ */
.stack-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 1rem 0;
  overflow: visible;
}

.stack-box {
  width: min(65vw, 272px);
  aspect-ratio: 1;
  position: relative;
}

.stack-card {
  position: absolute;
  inset: 0;
  width: 100%;
  background: #fafaf6;
  border-radius: 4px;
  cursor: grab;
  user-select: none;
  touch-action: none;
  will-change: transform;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12), 0 1px 3px rgba(0, 0, 0, 0.08);
  padding: 3.5% 3.5% 12% 3.5%;
}
.stack-card:active {
  cursor: grabbing;
}

.stack-card .photo-frame {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 2px;
}
.stack-card .photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

.stack-card .card-label {
  padding: 4% 2% 0;
  font-size: clamp(0.6rem, 1.8vw, 0.75rem);
  font-weight: 700;
  color: #555;
  text-align: center;
}

.stack-hint {
  margin-top: 0.75rem;
  font-size: 0.7rem;
  color: var(--color-subtle);
}

/* Logo card: centered SVG on white instead of a photo */
.card-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
}
.card-logo img {
  object-fit: contain;
  padding: 1.5rem;
}

/* Mobile deck counter (hidden on desktop) */
.stack-counter {
  display: none;
  font-size: 0.65rem;
  color: var(--color-subtle);
  margin-top: 0.6rem;
  font-family: var(--mono);
  letter-spacing: 0.05em;
}

/* ------------------------------------------------------------------ */
/* CONTENT WRAPPER                                                    */
/* ------------------------------------------------------------------ */
.content {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 2.5rem 0 1rem;
}
.section-head:first-child {
  margin-top: 1rem;
}

.section-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.section-eyebrow {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-subtle);
}

/* ------------------------------------------------------------------ */
/* NEXT EVENT CARD                                                    */
/* ------------------------------------------------------------------ */
.next-event {
  background: white;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04),
    0 12px 40px -12px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--color-border);
}

/* Hero image */
.ne-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #111;
}
.ne-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ne-img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.6));
}

.ne-number {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  letter-spacing: 0.05em;
}

.ne-date-overlay {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  color: white;
  z-index: 2;
}
.ne-date-overlay .day {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
}
.ne-date-overlay .mo {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.9;
}

/* Body */
.ne-body {
  padding: 1.5rem;
}

.ne-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-green);
  background: #f0fdf4;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 0.85rem;
}
.ne-tag .pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  50% {
    opacity: 0.3;
  }
}

.ne-body h3 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 0.6rem;
}

.ne-lede {
  font-size: 0.88rem;
  color: #666;
  line-height: 1.55;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border-light);
}

.ne-meta {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  font-size: 0.85rem;
  color: #555;
  margin-bottom: 1.25rem;
}
.ne-meta-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.ne-meta-row svg {
  width: 16px;
  height: 16px;
  stroke: #999;
  flex-shrink: 0;
}

/* CTA button */
.ne-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  background: #111;
  color: white;
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  transition: all 0.2s;
}
.ne-cta:hover {
  background: var(--color-brand);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px -6px rgba(48, 105, 152, 0.5);
}
.ne-cta svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  transition: transform 0.2s;
}
.ne-cta:hover svg {
  transform: translateX(3px);
}

.ne-actions {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  flex-wrap: wrap;
}

.ne-cta--secondary {
  background: transparent;
  color: #111;
  border: 1.5px solid var(--color-border);
}
.ne-cta--secondary:hover {
  background: #f5f4ef;
  border-color: #ddd;
  box-shadow: none;
}

/* ------------------------------------------------------------------ */
/* PAST EVENTS LIST                                                   */
/* ------------------------------------------------------------------ */
.past-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.past-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: white;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  transition: all 0.15s;
}
.past-item:hover {
  transform: translateX(2px);
  border-color: #ddd;
  box-shadow: 0 4px 16px -6px rgba(0, 0, 0, 0.08);
}

.past-img {
  width: 60px;
  height: 60px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.past-info {
  flex: 1;
  min-width: 0;
}
.past-info h4 {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.past-info .pm {
  font-size: 0.7rem;
  color: #999;
}

.past-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--mono);
  text-align: center;
  padding-left: 0.5rem;
  border-left: 1px solid var(--color-border);
  min-width: 48px;
}
.past-date .d {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}
.past-date .m {
  font-size: 0.6rem;
  color: var(--color-subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.15rem;
}
.past-date .y {
  font-size: 0.55rem;
  color: #ccc;
  margin-top: 0.1rem;
}

/* ------------------------------------------------------------------ */
/* FOOTER                                                             */
/* ------------------------------------------------------------------ */
footer {
  max-width: 640px;
  margin: 2rem auto 0;
  padding: 2rem 1.5rem 2.5rem;
  border-top: 1px solid var(--color-border);
}

.foot-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.foot-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
}

/* Logo swap animation (pyankara <-> python) */
.foot-logo-wrap {
  position: relative;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}
.foot-logo-wrap img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 0.5s ease;
}
.foot-logo-wrap .logo-pyankara {
  opacity: 1;
  transform: scale(1.35); /* compensate viewBox padding in SVG */
}
.foot-logo-wrap .logo-python {
  opacity: 0;
}
.foot-logo-wrap.show-python .logo-pyankara {
  opacity: 0;
}
.foot-logo-wrap.show-python .logo-python {
  opacity: 1;
}

.foot-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Social icon links */
.foot-socials {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.foot-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  color: var(--color-subtle);
  transition: all 0.15s;
}
.foot-socials a:hover {
  color: var(--color-text);
  background: var(--color-border);
}
.foot-socials a svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.foot-sep {
  width: 1px;
  height: 20px;
  background: #e8e7e3;
  margin: 0 0.25rem;
}

/* Contact popover */
.contact-wrap {
  position: relative;
  display: inline-block;
}
.contact-trigger {
  font-size: 0.75rem;
  color: var(--color-muted);
  font-weight: 400;
  cursor: pointer;
  transition: color 0.15s;
  text-decoration: none;
}
.contact-trigger:hover {
  color: var(--color-text);
}

.contact-pop {
  position: absolute;
  bottom: calc(100% + 0.75rem);
  left: 50%;
  transform: translate(-50%, 6px);
  background: #111;
  color: white;
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 8px 28px -6px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
  z-index: 50;
}
.contact-pop::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #111;
}
.contact-wrap.is-open .contact-pop {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

.contact-email {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  padding: 0 0.25rem;
  transition: color 0.15s;
}
.contact-email:hover {
  color: #fff;
}

.contact-copy {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0.35rem 0.5rem;
  font-size: 0.65rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: background 0.15s;
}
.contact-copy:hover {
  background: rgba(255, 255, 255, 0.2);
}
.contact-copy.copied {
  background: var(--color-green);
}
.contact-copy svg {
  width: 12px;
  height: 12px;
  stroke: currentColor;
}

/* Copyright bar */
.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
  color: var(--color-subtle);
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border-light);
  flex-wrap: wrap;
  gap: 0.5rem;
}
.foot-bottom .made {
  font-family: var(--mono);
  font-size: 0.65rem;
}
.foot-bottom .made span {
  color: var(--color-brand);
}

/* ------------------------------------------------------------------ */
/* RESPONSIVE — MOBILE (<= 600px)                                    */
/* ------------------------------------------------------------------ */
@media (max-width: 600px) {
  .content {
    padding: 1.5rem 1rem 2rem;
  }
  .section-title {
    font-size: 1.2rem;
  }
  .ne-body {
    padding: 1.25rem;
  }
  .ne-body h3 {
    font-size: 1.1rem;
  }
  .ne-date-overlay .day {
    font-size: 2rem;
  }
  .past-info h4 {
    font-size: 0.82rem;
  }
  .past-img {
    width: 52px;
    height: 52px;
  }
  footer {
    padding: 2rem 1rem 2.5rem;
  }
  .foot-top {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Photo stack → stacked deck mode */
  .stack-wrapper {
    padding: 1.5rem 1rem 0;
  }
  .stack-box {
    width: 72vw;
    aspect-ratio: auto;
    margin: 0 auto;
    position: relative;
  }
  .stack-card {
    position: absolute;
    inset: auto;
    top: 0;
    left: 0;
    width: 100%;
    cursor: pointer;
    touch-action: pan-y;
    padding: 10px 10px 32px 10px;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
      opacity 0.4s ease;
  }
  .stack-card:active {
    cursor: pointer;
  }
  .stack-card .card-label {
    font-size: 0.72rem;
    padding: 6px 2px 0;
  }
  .stack-hint {
    display: none;
  }
  .stack-counter {
    display: block;
  }
}