/* ==========================================================================
   ELO Peeth — Software Release Page
   Design system: official letterhead / certificate of release
   ========================================================================== */

:root{
  /* Color */
  --ink:        #101826;
  --navy:       #14233D;
  --navy-soft:  #1C3050;
  --paper:      #F5F6FA;
  --white:      #FFFFFF;
  --red:        #E0131A;
  --yellow:     #E2BE44;
  --red-dark:   #B10E13;
  --slate:      #5C6577;
  --line:       #E1E4EA;

  /* Type */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --container: 1100px;
}

*{ box-sizing: border-box; }

html{
  scroll-behavior: smooth;
}

body{
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

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

button{ font-family: inherit; }

:focus-visible{
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------------------------------------------------------------------- */
/* Header / letterhead                                                    */
/* ---------------------------------------------------------------------- */

.site-header{
  border-bottom: 2px solid var(--red);
  background: var(--white);
}

.site-header-inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-header img{
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 6px;
}

.wordmark{
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
}

.wordmark span{
  color: var(--red);
}

/* ---------------------------------------------------------------------- */
/* Hero                                                                    */
/* ---------------------------------------------------------------------- */

.hero{
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(48px, 8vw, 96px) 24px clamp(32px, 6vw, 56px);
  text-align: center;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.eyebrow::before,
.eyebrow::after{
  content: "";
  width: 28px;
  height: 1px;
  background: var(--red);
  opacity: 0.5;
}

.hero h1{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.2;
  margin: 0 auto 18px;
  max-width: 780px;
  color: var(--navy);
}

.hero .subhead{
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--slate);
  margin: 0 auto;
  max-width: 520px;
  line-height: 1.6;
}

/* ---------------------------------------------------------------------- */
/* Release panel — certificate-style download card                        */
/* ---------------------------------------------------------------------- */

.release-panel{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px clamp(64px, 8vw, 112px);
  display: flex;
  justify-content: center;
}

.release-card{
  position: relative;
  width: 100%;
  max-width: 520px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: clamp(28px, 5vw, 44px) clamp(24px, 5vw, 40px) clamp(32px, 5vw, 44px);
}

/* corner brackets — certificate detail */
.release-card::before,
.release-card::after,
.release-card-top .corner-tl,
.release-card-top .corner-tr{
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--navy);
}

.release-card::before{
  top: -1px; left: -1px;
  border-right: none; border-bottom: none;
}

.release-card::after{
  bottom: -1px; right: -1px;
  border-left: none; border-top: none;
}

.release-card-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px dashed var(--line);
}

.release-platform{
  display: flex;
  align-items: center;
  gap: 12px;
}

.release-platform i{
  font-size: 26px;
  color: var(--navy);
}

.release-platform-name{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--navy);
}

.release-platform-sub{
  font-size: 12.5px;
  color: var(--slate);
  margin-top: 2px;
}

/* the "seal" — signature element */
.seal{
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1.5px solid var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-8deg);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--red);
  text-align: center;
  line-height: 1.3;
  padding: 4px;
}

.download-btn{
  width: 100%;
  border: none;
  border-radius: 16px;
  background: var(--red);
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  padding: 17px 20px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.download-btn i{ font-size: 18px; }

.download-btn:hover{ background: var(--red-dark); }
.download-btn:active{ transform: translateY(1px); }

.release-meta{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--slate);
}

.release-note{
  margin: 18px 0 0;
  font-size: 13.5px;
  color: var(--slate);
  line-height: 1.6;
  text-align: center;
}

/* ---------------------------------------------------------------------- */
/* Footer                                                                  */
/* ---------------------------------------------------------------------- */

.site-footer{
  border-top: 1px solid var(--line);
  padding: 22px 24px;
  text-align: center;
  font-size: 12.5px;
  color: var(--slate);
}

/* ---------------------------------------------------------------------- */
/* Responsive                                                              */
/* ---------------------------------------------------------------------- */

@media (max-width: 640px){
  .site-header-inner{ padding: 14px 18px; }
  .wordmark{ font-size: 15px; }
  .site-header img{ width: 32px; height: 32px; }

  .release-card-top{
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .seal{ align-self: flex-end; margin-top: -46px; }
}