/* 
   Welcome to the main stylesheet!
   This file controls the look and feel of your website.
   I have set up "variables" at the top so you can easily change colors later.
*/

:root {
  /* --- COLOR PALETTE (Extracted from your book cover) --- */

  /* Deep, warm black background */
  --color-bg-dark: #0F100A;

  /* Primary Gold/Amber Accent - used for Buttons and determining borders */
  --color-accent: #C9B037;

  /* Hover state for buttons - slightly brighter */
  --color-accent-hover: #D4AF37;

  /* Main text color - Pale Cream (easier on eyes than pure white) */
  --color-text-main: #F4F1D6;

  /* Secondary text/borders - Muted Olive Gold */
  --color-text-muted: #A39634;

  /* Special color for Direct Sales buttons (e.g., a nice Teal or Blue to contrast) */
  --color-direct-buy: #37C9B0;
  --color-direct-buy-hover: #37E0C0;

  /* --- FONTS --- */
  /* 'Orbitron' is our sci-fi header font */
  --font-header: 'Orbitron', sans-serif;

  /* Simple sans-serif for readable body text */
  --font-body: system-ui, -apple-system, sans-serif;
}

/* --- GLOBAL STYLES --- */

body {
  background-color: var(--color-bg-dark);
  color: var(--color-text-main);
  font-family: var(--font-body);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/* Links default style */
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  text-decoration: underline;
  color: var(--color-accent-hover);
}

/* --- NAVIGATION --- */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  /* Semi-transparent background for sticky nav feel */
  background: rgba(15, 16, 10, 0.9);
  border-bottom: 1px solid var(--color-text-muted);
  position: relative;
  z-index: 1000;
}

.nav-brand {
  font-family: var(--font-header);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-accent);
}

.nav-links a {
  margin-left: 20px;
  font-family: var(--font-header);
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--color-text-main);
}

.nav-links a:hover {
  color: var(--color-accent);
  text-decoration: none;
  text-shadow: 0 0 5px var(--color-accent);
  /* Glowing effect */
}

/* --- DROPDOWN MENU --- */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: var(--color-bg-dark);
  min-width: 200px;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.5);
  z-index: 1000;
  border: 1px solid var(--color-text-muted);
  border-top: none;
}

.dropdown-content a {
  color: var(--color-text-main);
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  font-family: var(--font-header);
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-left: 0 !important;
  /* Reset margin from nav-links */
}

.dropdown-content a:hover {
  background-color: rgba(201, 176, 55, 0.1);
  color: var(--color-accent);
}

.dropdown:hover .dropdown-content {
  display: block;
}

/* --- HAMBURGER MENU (hidden on desktop) --- */
.hamburger {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--color-accent);
  margin: 3px 0;
  transition: 0.3s;
}

/* --- RESPONSIVE MOBILE TWEAKS --- */
@media (max-width: 768px) {
  /* Show hamburger on mobile */
  .hamburger {
    display: flex;
  }

  /* Hide nav links by default on mobile */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: rgba(15, 16, 10, 0.98);
    flex-direction: column;
    padding: 80px 20px 20px 20px;
    transition: right 0.3s ease;
    border-left: 1px solid var(--color-text-muted);
    overflow-y: auto;
  }

  /* Show nav links when active */
  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    margin: 15px 0;
    margin-left: 0 !important;
    display: block;
    /* Makes each tab take a line */
  }

  .dropdown {
    width: 100%;
  }

  .dropdown-content {
    position: static;
    display: block;
    border: none;
    box-shadow: none;
    padding-left: 10px;
    margin-top: 10px;
  }

  .dropdown-content a {
    margin: 5px 0;
    /* Reduce gap between subheadings in hamburger menu */
  }

  .hero {
    background-position: center right;
    background-attachment: scroll;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .navbar {
    flex-direction: row;
    text-align: left;
  }
}

/* --- HERO SECTION --- */
.hero {
  min-height: 80vh;
  /* Takes up 80% of viewport height */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  /* Aligns content to the left */
  padding: 0 10%;
  position: relative;
  z-index: 100;
  /* Added for navbar stacking */

  /* Background Image Setup */
  background-image:
    linear-gradient(to right, rgba(15, 16, 10, 0.9) 0%, rgba(15, 16, 10, 0.4) 60%, rgba(15, 16, 10, 0.1) 100%),
    url('../images/hero_background_1920w80pc.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  /* Parallax effect */
}

.hero h1 {
  font-family: var(--font-header);
  font-size: 4rem;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 5px;
  text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.5);
  /* Subtle dropshadow */
}

.hero p {
  font-size: 1.5rem;
  max-width: 600px;
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}

/* --- HERO-NEWSLETTER ALIGNMENT --- */
.hero-content {
  width: 100%;
  max-width: 615px;
  /* Constrains both title and newsletter box */
}

.hero-content .newsletter-box {
  width: 100%; /* Matches the hero-content width */
  max-width: none;
  margin-top: 2rem;
}

/* --- NEWSLETTER BOX (The specific request) --- */
.newsletter-box {
  background: rgba(0, 0, 0, 0.6);
  padding: 2rem;
  border: 1px solid var(--color-accent);
  border-radius: 5px;
  box-shadow: 0 0 15px rgba(201, 176, 55, 0.2);
  /* Soft gold glow */
  /* margin: 0 auto; */
  /* Centres box on page */
}

.newsletter-box h3 {
  font-size: 1.5rem;
  font-family: var(--font-header);
  margin-top: 0rem;
  color: var(--color-accent);
  text-align: center;
}

/* --- MOBILE RESPONSIVE --- */
/* Use different settings when max width=768px (like on a phone) */
@media (max-width: 768px) {
  /* Hero section (i.e., background image) on phone */
  .hero {
    align-items: center;
    /* padding: 0 5%; */
    /* Reduce padding to give more room */
    background-size: auto 120%;
    /* Makes image 120% of container height */
    background-position: right 7% top 90%;
    /* centre right means it will be centred on desktop and right on mobile */
    background-attachment: scroll;
    /* Fixed backgrounds can be glitchy on mobile */
  }

  /* Font on first page */
  .hero h1 {
  font-size: 2rem;
  /* Smaller to prevent overflow */
  /* margin-top: 0rem; */
  letter-spacing: 2px;
  /* Tighter spacing */
  margin-top: 0rem;
  margin-bottom: 0rem;
  }

  .hero p {
    font-size: 1.1rem;
    /* margin-top: 0rem; */
    margin-top: 0rem;
    margin-bottom: 15rem;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.8);
  }

  .hero-content {
    width: 100%;
    /* Matches title width */
    padding: 1.5rem;
    margin-top: 1rem;
  }

  /* Change size of newsletter box for phone */
  .newsletter-box {
    width: 100%;
    /* Forces the box to be 90% of screen width */
    max-width: none;
    /* Removes the desktop 650px cap */
    padding: 0.5rem;
    /* margin-top: 10rem; */
  }

}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background-color: var(--color-accent);
  color: #000;
  /* Black text on gold button for contrast */
  font-family: var(--font-header);
  font-weight: 700;
  border-radius: 4px;
  text-transform: uppercase;
  border: 1px solid var(--color-accent);
  cursor: pointer;
  margin-right: 10px;
  margin-bottom: 10px;
}

.btn:hover {
  background-color: transparent;
  color: var(--color-accent);
  text-decoration: none;
}

/* Direct Sales Buttons (Ebook & Print) */
.btn-direct-ebook {
  background-color: transparent;
  border-color: var(--color-direct-buy);
  color: var(--color-direct-buy);
  font-size: 0.8rem;
  /* Slightly smaller than main buy button */
  padding: 8px 16px;
}

.btn-direct-ebook:hover {
  background-color: var(--color-direct-buy);
  color: #000;
  box-shadow: 0 0 10px var(--color-direct-buy);
}

.btn-direct-print {
  background-color: transparent;
  border-color: var(--color-text-muted);
  color: var(--color-text-muted);
  font-size: 0.8rem;
  padding: 8px 16px;
}

.btn-direct-print:hover {
  background-color: var(--color-text-muted);
  color: #000;
  box-shadow: 0 0 10px var(--color-text-muted);
}

/* --- FOOTER --- */
footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--color-text-muted);
  margin-top: 4rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --- DEEP SPACE TRANSMISSION (NASA API) --- */
.transmission-section {
  padding: 4rem 10%;
  background: rgba(15, 16, 10, 0.8);
  border-top: 1px solid var(--color-text-muted);
  border-bottom: 1px solid var(--color-text-muted);
}

.transmission-card {
  max-width: 900px;
  margin: 0 auto;
  border: 1px solid var(--color-accent);
  border-radius: 8px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 0 20px rgba(201, 176, 55, 0.1);
}

.transmission-header {
  background: var(--color-accent);
  color: #000;
  padding: 10px 20px;
  font-family: var(--font-header);
  font-weight: bold;
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  text-transform: uppercase;
}

.transmission-body {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  padding: 2rem;
}

.transmission-image-container {
  flex: 1;
  min-width: 300px;
}

.transmission-image-container img,
.transmission-image-container .video-wrapper {
  width: 100%;
  border-radius: 4px;
  border: 1px solid #333;
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.transmission-content {
  flex: 1;
  min-width: 300px;
}

.transmission-content h3 {
  font-family: var(--font-header);
  color: var(--color-accent);
  margin-top: 0;
  font-size: 1.5rem;
}

.transmission-content p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #ccc;
}

.transmission-footer {
  padding: 1rem 2rem;
  border-top: 1px solid #222;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Response handling */
#nasa-loading {
  text-align: center;
  font-family: var(--font-header);
  padding: 2rem;
  color: var(--color-accent);
  letter-spacing: 2px;
}

/* --- PLANETARY ECLIPSE TRACKER --- */
.tracker-section {
  padding: 5rem 10%;
  background: radial-gradient(circle at center, #1a1b15 0%, #0f100a 100%);
  color: var(--color-text-main);
  text-align: center;
}

.radar-dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.radar-card {
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(201, 176, 55, 0.3);
  padding: 2rem;
  border-radius: 10px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.radar-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 15px rgba(201, 176, 55, 0.2);
}

.radar-card h3 {
  font-family: var(--font-header);
  color: var(--color-accent);
  font-size: 1.2rem;
  margin-top: 0;
  letter-spacing: 2px;
}

.countdown-timer {
  font-family: 'Courier New', Courier, monospace;
  font-size: 2rem;
  color: #00ff00;
  /* Classic radar green */
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
  margin: 1.5rem 0;
  font-weight: bold;
}

.event-details {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.radar-scan {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(201, 176, 55, 0.1);
  box-shadow: 0 0 10px var(--color-accent);
  animation: radarLine 4s linear infinite;
  pointer-events: none;
}

@keyframes radarLine {
  0% {
    top: 0;
    opacity: 0;
  }

  5% {
    opacity: 1;
  }

  95% {
    opacity: 1;
  }

  100% {
    top: 100%;
    opacity: 0;
  }
}

@keyframes alertPulse {
  0% {
    box-shadow: 0 0 5px #ff4444;
    border-color: #ff4444;
  }

  50% {
    box-shadow: 0 0 30px #ff4444;
    border-color: #ff8888;
  }

  100% {
    box-shadow: 0 0 5px #ff4444;
    border-color: #ff4444;
  }
}

.active-alert {
  animation: alertPulse 1.5s infinite ease-in-out !important;
}

@keyframes sunActivePulse {
  0% {
    fill: #FFD700;
    filter: blur(4px);
  }

  50% {
    fill: #ff4444;
    filter: blur(8px) drop-shadow(0 0 10px #ff4444);
  }

  100% {
    fill: #FFD700;
    filter: blur(4px);
  }
}

.sun-active {
  animation: sunActivePulse 1s infinite ease-in-out;
}


/* --- SVG ORBITAL MAPS --- */
.orbital-map {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem auto;
  display: block;
}

.orbit-path {
  fill: none;
  stroke: rgba(201, 176, 55, 0.2);
  stroke-width: 1;
}

.planet-core {
  fill: var(--color-accent);
}

.moon-orbiter {
  fill: #00ff00;
  filter: drop-shadow(0 0 2px #00ff00);
}

.sun-reference {
  fill: #FFD700;
  filter: blur(4px);
  opacity: 0.8;
}

.alignment-axis {
  stroke: rgba(255, 215, 0, 0.15);
  stroke-dasharray: 2 4;
  stroke-width: 0.5;
}


@keyframes orbitSpin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.anim-orbit {
  transform-box: fill-box;
  transform-origin: center;
  animation: orbitSpin 10s linear infinite;
}