/* ===== Design tokens ===== */
:root {
  /* base colors */
  --color-bg: #0f0f16;
  --color-text: #e9ecff;
  --color-text-muted: #b7bdd3;
  --color-text-ui: #cfd3f5;
  --color-footer: #9aa2c9;
  --color-text-p: #fff;

  /* surfaces & borders */
  --color-border-strong: #1e1e2a;
  --color-border: #343457;
  --color-panel: #1a1a2b;
  --color-panel-hover: #23233a;

  /* accents / brand */
  --color-accent-1: #27e1f7;
  /* cyan */
  --color-accent-2: #7a5cff;
  /* purple */
  --color-accent-hover: #4a4a7a;

  /* shadows */
  --color-card-shadow: rgba(122, 92, 255, .25);
  --color-box-shadow: rgba(122, 92, 255, .25);
}

/* ===== Base ===== */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

/* ==== Page grid that prevented gaps between sections ==== */
.page {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  /* header, hero, main, footer */
  min-height: 100dvh;
}

/* ===== Header ===== */
.site-header {
  position: relative;
  /* anchors mobile menu */
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 3px solid var(--color-border-strong);
}

/* ==== brand/logo ==== */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  /* space between text and sound waves */
  color: var(--color-text-p);
  font-weight: bold;
  font-size: 20px;
}

/* ==== Small sound waves next to brand ==== */
.sound-waves {
  display: flex;
  gap: 4px;
}

.sound-waves div {
  width: 4px;
  height: 14px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--color-accent-1), var(--color-accent-2));
  animation: bounce 1s infinite ease-in-out;
}

/* ==== sound wave stagger delays ==== */
.sound-waves div {
  --d: 0s;
  animation-delay: var(--d);
}

.sound-waves div:nth-child(2) {
  --d: .1s;
}

.sound-waves div:nth-child(3) {
  --d: .2s;
}

.sound-waves div:nth-child(4) {
  --d: .3s;
}

.sound-waves div:nth-child(5) {
  --d: .4s;
}

@keyframes bounce {

  0%,
  100% {
    transform: scaleY(.5);
    opacity: .6;
  }

  50% {
    transform: scaleY(1.2);
    opacity: 1;
  }
}

/* ==== Nav (desktop default) ==== */
.desktop-nav {
  display: flex;
  gap: 16px;
}

.desktop-nav a {
  color: var(--color-text-p);
  text-decoration: none;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid transparent;
  /* avoids nav link to jump on hover */
}

.desktop-nav a:hover {
  border-color: var(--color-accent-hover);
}

/* ==== Hamburger button (hidden in desktop) ==== */
.hamburger-menu {
  background: none;
  border: none;
  color: var(--color-text-p);
  font-size: 28px;
  cursor: pointer;
  display: none;
}

/* ==== Mobile nav ==== */
@media (max-width: 1024px) {
  .hamburger-menu {
    display: block;
  }

  .desktop-nav {
    display: none;
    /* hidden until toggled */
    position: absolute;
    top: 70px;
    right: 18px;
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 16px;
    flex-direction: column;
    gap: 12px;
    z-index: 10;
    box-shadow: 0 8px 20px var(--color-box-shadow);
  }

  .desktop-nav.active {
    display: flex;
  }
}

/* ===== HERO ===== */
.hero-container {
  position: relative;
  min-height: 52vh;
  display: grid;
  place-items: center;
  /* center overlay content */
  border-bottom: 1px solid var(--color-border-strong);
  overflow: hidden;
  /* just in case video spills */
}

.hero-video {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .35;
  /* let overlay text pop */
  pointer-events: none;
}

.hero-overlay {
  position: relative;
  text-align: center;
  padding: 48px 16px;
  z-index: 1;
}

.hero-overlay h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 48px);
  color: var(--color-text-p);
}

.hero-overlay p {
  margin: 0;
  color: var(--color-text);
}

/* ===== Main container for cards ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 16px;
}

.section-title {
  color: var(--color-text-p);
  text-align: center;
  margin: 0 0 14px;
}

/* ===== Card Grid 1 / 2 / 4 ===== */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  /* mobile first */
  gap: 18px;
  justify-items: center;

}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== Card ===== */
.card {
  background: rgba(20, 20, 28, .75);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  width: 100%;
  max-width: 300px;

  display: flex;
  flex-direction: column;
  box-shadow: 7px 3px 10px var(--color-card-shadow);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 38px rgba(0, 0, 0, .45);
  border-color: var(--color-accent-hover);
}

.card img {
  height: 180px;
  width: 100%;
  object-fit: cover;
  display: block;
}

.card-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card h3 {
  margin: 0 0 8px;
  color: var(--color-text-p);
}

.card p {
  margin: 0 0 12px;
  color: var(--color-text-muted);
  font-size: 14px;
}


.meta {
  margin: 0;
  color: #a9afd0;
  font-family: Inconsolata, monospace;
  font-size: 14px;
}

.desc {
  margin: 0;
  color: #c2c7df;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tags span {
  font-size: 12px;
  color: #0b0b0f;
  background: #27e1f7;
  border-radius: 999px;
  padding: 4px 8px;
  filter: saturate(.9);
}

.tags span:nth-child(1) {
  background: #27e1f7
}

.tags span:nth-child(2) {
  background: #ff3cac
}

.tags span:nth-child(3) {
  background: #7a5cff
}

.actions {
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.price {
  color: #cfd5f1;
  font-weight: 700;
}


/* ===== Buttons (all buttons) ===== */
.btn,
.send {
  display: inline-block;
  background: var(--color-panel);
  color: var(--color-text-p);
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  transition: transform .15s, background .15s, border-color .15s, box-shadow .15s;
}

.btn:hover,
.send:hover {
  transform: translateY(-1px);
  background: var(--color-panel-hover);
  border-color: var(--color-accent-2);
  box-shadow: 0 6px 14px var(--color-box-shadow);
}

/* ===== Signup Form ===== */
.text-blue {
  color: var(--color-accent-2);
}

.signup-form {
  background: rgba(20, 20, 28, 0.9);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 8px 20px var(--color-box-shadow);
  color: var(--color-text-p);
}

.signup-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--color-text-ui);
  font-size: 14px;
}

/* ==== Inputs except radios/checkboxes ==== */
.signup-form input:not([type="radio"]):not([type="checkbox"]) {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-panel);
  color: var(--color-text-p);
  font-size: 14px;
  font-family: inherit;
}

.signup-form input:focus {
  outline: 1px solid var(--color-accent-2);
  box-shadow: 0 0 6px rgba(122, 92, 255, .5);
}

/* ==== Radios group ==== */
.choice-group {
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: row;
  justify-content: center;
  text-align: center;
  gap: 8px;
}

.choice-group legend {
  padding: 0 6px;
  margin-bottom: 6px;
  color: var(--color-text-ui);
  font-size: 14px;
}

/* ==== Terms ==== */
.terms {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-ui);
}

/* ===== Footer ===== */
.site-footer {
  text-align: center;
  padding: 40px;
  color: var(--color-footer);
}