@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap');

:root {
  --accent: #2bafa2;
  --bg: #0d0d0d;
  --text: #f0f0f0;
  --glow: #1fffe0;
  
  /* Responzivní hodnoty */
  --container-padding: clamp(1rem, 4vw, 3rem);
  --section-gap: clamp(2rem, 6vw, 4rem);
  --element-gap: clamp(0.8rem, 2vw, 1.2rem);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--container-padding);
  min-height: 100vh;
  max-height: 100vh;
  text-align: center;
  overflow: hidden;
  position: relative;
}

/* LOGO a HERO */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 600px;
  margin-bottom: clamp(2rem, 4vh, 3rem);
  flex-shrink: 0;
}

.logo {
  width: clamp(80px, 15vw, 120px);
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
  filter: drop-shadow(0 0 40px rgba(43, 175, 162, 0.35));
  opacity: 0;
  transform: translateY(-30px);
  animation: logoIn 1s cubic-bezier(.5,1.5,.5,1) 0.5s forwards;
}

@keyframes logoIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h1 {
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
  color: var(--text);
  line-height: 1.2;
}

.accent {
  color: var(--accent);
}

/* ODKAZY */

a {
  color: var(--accent);
  text-decoration: underline;
  transition: color 0.2s;
}

a:hover {
  color: #1fffe0;
  text-decoration: none;
}

a:active {
  color: #134d47;
}

/* FORM WRAPPER + ANIMACE */

#email-form,
#thank-you {
  width: 100%;
  max-width: 400px;
  margin: 0 auto var(--element-gap);
  transition: all 0.5s ease;
  min-height: clamp(100px, 15vw, 120px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 1;
}

#email-form.hidden,
#thank-you.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-20px);
}

/* FORMULÁŘ */

form {
  display: flex;
  flex-direction: column;
  gap: var(--element-gap);
  width: 100%;
}

input[type="email"] {
  padding: clamp(0.6rem, 2vw, 0.8rem) clamp(0.8rem, 2.5vw, 1rem);
  font-size: clamp(0.9rem, 2.5vw, 1rem);
  border-radius: clamp(4px, 1vw, 6px);
  border: none;
  width: 100%;
  background-color: #333;
  color: white;
  transition: all 0.2s ease;
}

input[type="email"]:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent);
}

button {
  width: 100%;
  background-color: var(--accent);
  color: #000;
  padding: clamp(0.6rem, 2vw, 0.8rem) clamp(0.8rem, 2.5vw, 1rem);
  font-size: clamp(0.9rem, 2.5vw, 1rem);
  border-radius: clamp(4px, 1vw, 6px);
  border: none;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover {
  background-color: #239a8f;
  box-shadow: 0 0 15px rgba(43, 175, 162, 0.4);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

/* PODĚKOVÁNÍ */

#thank-you {
  font-size: clamp(0.9rem, 2.5vw, 1rem);
  line-height: 1.5;
}

#thank-you p {
  margin: 0;
}

/* FADE-IN STRÁNKY */

.fade-in {
  opacity: 0;
  animation: fadeInBody 1s ease 0.2s forwards;
}

@keyframes fadeInBody {
  to {
    opacity: 1;
  }
}

/* COUNTDOWN */

.countdown {
  margin-top: clamp(1.5rem, 3vh, 2.5rem);
  width: 100%;
  max-width: 600px;
  flex-shrink: 0;
}

.countdown p {
  font-size: clamp(0.9rem, 2.5vw, 1rem);
  margin-bottom: clamp(0.5rem, 1vw, 0.8rem);
}

#countdown-timer {
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  font-weight: 600;
  color: var(--accent);
  margin-top: clamp(0.3rem, 1vw, 0.5rem);
}

/* FOOTER */

footer {
  margin-top: clamp(1.5rem, 3vh, 2.5rem);
  width: 100%;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex-shrink: 0;
}

footer .countdown {
  margin-top: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

footer p {
  font-size: clamp(0.8rem, 2vw, 0.85rem);
  color: #888;
  text-align: center;
}

#socials {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: clamp(0.8rem, 2vw, 1.2rem);
  margin-top: clamp(1rem, 2vh, 1.5rem);
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

#socials a {
  display: flex;
  align-items: center;
  gap: clamp(0.3rem, 1vw, 0.5rem);
  color: var(--text);
  background: rgba(43, 175, 162, 0.08);
  border-radius: clamp(6px, 1.5vw, 8px);
  padding: clamp(0.4rem, 1.5vw, 0.5rem) clamp(0.6rem, 2vw, 1rem);
  text-decoration: none;
  font-weight: 600;
  font-size: clamp(0.8rem, 2vw, 1rem);
  transition: all 0.3s ease;
  flex: 0 1 auto;
  min-width: clamp(120px, 20vw, 160px);
  justify-content: center;
}

#socials a:hover {
  background: rgba(43, 175, 162, 0.18);
  color: var(--accent);
  box-shadow: 0 0 15px rgba(31, 255, 224, 0.3);
  transform: translateY(-2px);
  text-decoration: none;
}

#socials img {
  width: clamp(20px, 4vw, 24px);
  height: clamp(20px, 4vw, 24px);
  display: block;
  filter: drop-shadow(0 0 2px #fff);
  flex-shrink: 0;
}

/* MAILERLITE FORM STYLING */

.ml-embedded {
  width: 100%;
  max-width: 350px;
}

.ml-form-embedContainer input[type="email"] {
  background-color: #333 !important;
  color: white !important;
  border: none !important;
  padding: 0.8rem 1rem !important;
  font-size: 1rem !important;
  border-radius: 6px !important;
  width: 100% !important;
}

.ml-form-embedContainer button {
  background-color: var(--accent) !important;
  color: #000 !important;
  border: none !important;
  font-weight: bold !important;
  border-radius: 6px !important;
  padding: 0.8rem 1rem !important;
  font-size: 1rem !important;
  width: 100% !important;
  cursor: pointer;
  transition: all 0.3s ease;
}

.ml-form-embedContainer button:hover {
  background-color: #239a8f !important;
  box-shadow: 0 0 10px #2bafa2 !important;
}

/* Skrytí nepotřebných stylů */
.ml-form-embedContainer .ml-form-embedWrapper {
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
}

.ml-form-embedContainer .ml-form-embedBody {
  padding: 0 !important;
}

/* MOBILNÍ RESPONSIVITA - POKROČILÉ MEDIA QUERIES */

/* Extra malé displeje */
@media (max-width: 350px) {
  :root {
    --container-padding: 0.8rem;
    --element-gap: 0.6rem;
  }
  
  body {
    min-height: 100vh;
    max-height: 100vh;
    overflow: hidden;
  }
  
  #socials {
    flex-direction: column;
    align-items: stretch;
    gap: 0.6rem;
  }
  
  #socials a {
    min-width: unset;
    max-width: unset;
  }
}

/* Malé telefony */
@media (max-width: 480px) and (orientation: portrait) {
  :root {
    --container-padding: clamp(0.8rem, 2vw, 1.5rem);
  }
  
  body {
    min-height: 100vh;
    max-height: 100vh;
    overflow: hidden;
    justify-content: center;
    padding-top: clamp(0.8rem, 2vw, 1.5rem);
    padding-bottom: clamp(0.8rem, 2vw, 1.5rem);
  }
  
  #socials a {
    flex: 1 1 calc(50% - 0.5rem);
    min-width: 120px;
    font-size: clamp(0.75rem, 2.5vw, 0.9rem);
  }
}

/* Tablety */
@media (min-width: 768px) and (max-width: 1024px) {
  :root {
    --container-padding: clamp(1.5rem, 3vw, 2.5rem);
  }
  
  body {
    max-height: 100vh;
    overflow: hidden;
    justify-content: center;
  }
  
  .hero {
    max-width: 700px;
  }
  
  #socials {
    justify-content: center;
    gap: 1.2rem;
  }
  
  #socials a {
    flex: 0 1 auto;
    min-width: 130px;
    max-width: 150px;
  }
}

/* Landscape telefony a malé tablety */
@media (min-width: 480px) and (max-width: 768px) {
  #socials a {
    flex: 1 1 calc(50% - 0.6rem);
    min-width: 140px;
  }
}

/* Desktop a velké tablety */
@media (min-width: 1025px) {
  :root {
    --container-padding: clamp(2rem, 3vw, 3rem);
  }
  
  body {
    max-width: 1200px;
    margin: 0 auto;
    max-height: 100vh;
    overflow: hidden;
    justify-content: center;
  }
  
  #socials {
    justify-content: center;
    gap: 2rem;
    flex-wrap: nowrap;
  }
  
  #socials a {
    flex: 0 1 auto;
    min-width: 150px;
    max-width: 180px;
    font-size: 1rem;
  }
}

/* Výška viewport optimalizace */
@media (max-height: 600px) and (orientation: landscape) {
  :root {
    --container-padding: clamp(0.5rem, 1vh, 1rem);
  }
  
  body {
    max-height: 100vh;
    overflow: hidden;
    justify-content: center;
  }
  
  .logo {
    width: clamp(60px, 12vw, 80px);
    margin-bottom: clamp(0.5rem, 2vh, 1rem);
  }
  
  h1 {
    font-size: clamp(1.2rem, 4vw, 1.8rem);
    margin-bottom: clamp(0.5rem, 2vh, 1rem);
  }
  
  .hero {
    margin-bottom: clamp(1rem, 2vh, 1.5rem);
  }
  
  .countdown {
    margin-top: clamp(0.8rem, 2vh, 1.2rem);
  }
  
  footer {
    margin-top: clamp(0.8rem, 2vh, 1.2rem);
  }
  
  #socials {
    margin-top: clamp(0.5rem, 1vh, 0.8rem);
    gap: clamp(0.5rem, 1vw, 0.8rem);
  }
}

/* Velmi vysoké obrazovky */
@media (min-height: 900px) {
  body {
    max-height: 100vh;
    overflow: hidden;
    justify-content: center;
  }
  
  .hero {
    margin-bottom: clamp(3rem, 5vh, 4rem);
  }
  
  .countdown {
    margin-top: clamp(2rem, 4vh, 3rem);
  }
  
  footer {
    margin-top: clamp(2rem, 4vh, 3rem);
  }
}