/* kol7.com - Main Stylesheet */

/* ===== CSS Reset ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

/* ===== CSS Variables ===== */
:root {
  /* Colors - Space Theme */
  --color-primary: #00a8e8;
  --color-primary-dark: #0077b6;
  --color-text: #ffffff;
  --color-text-light: #b0b0b0;
  --color-background: #000000;
  --color-background-alt: #0a0a1a;
  --color-border: #2a2a3e;
  --color-placeholder: #4a4a5e;
  --color-card-bg: #ffffff;
  --color-card-text: #1a1a1a;
  --color-card-text-light: #6b7280;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Layout */
  --max-width: 1200px;
  --border-radius: 1rem;
  --border-radius-lg: 1.5rem;
}

/* ===== Base Styles ===== */
body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  position: relative;
}

main {
  flex: 1;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
}
h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
}
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-xs);
}

/* ===== Container ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===== Header & Navigation ===== */
header {
  background-color: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.3s ease;
  text-transform: lowercase;
}

.logo::before {
  content: '';
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: 3px;
  display: inline-block;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 168, 232, 0.5);
}

.logo:hover {
  text-decoration: none;
  color: var(--color-primary);
  transform: translateY(-1px);
}

.logo:hover::before {
  transform: rotate(180deg);
  background: #00d9ff;
  box-shadow: 0 4px 12px rgba(0, 217, 255, 0.8);
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
}

nav a {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  transition: color 0.2s ease;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary) 0%, #00d9ff 100%);
  transition: width 0.3s ease;
}

nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

nav a:hover::after {
  width: 100%;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  color: #ffffff;
}

/* ===== Footer ===== */
footer {
  background-color: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--spacing-3xl);
  padding: var(--spacing-xl) 0;
  position: relative;
  z-index: 10;
}

.footer-content {
  text-align: center;
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
  list-style: none;
  padding: 0;
}

.footer-links a {
  color: var(--color-text-light);
}

.footer-links a:hover {
  color: var(--color-primary);
}

/* ===== Hero Section ===== */
.hero {
  text-align: center;
  padding: 8rem var(--spacing-md);
  position: relative;
  overflow: hidden;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}

/* Galaxy Background */
.bg {
  background: url(https://i.ibb.co/87GbbFP/2799006.jpg) no-repeat;
  background-size: cover;
  height: 100%;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: -3;
}

.bg:before {
  content: "";
  width: 100%;
  height: 100%;
  background: #000;
  position: fixed;
  z-index: -1;
  top: 0;
  left: 0;
  opacity: 0;
}

.hero-content {
  position: relative;
  z-index: 20;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  color: #ffffff;
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.95);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
  font-weight: 400;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.5);
}

/* Flying Star Field Animation */
@keyframes sf-fly-by-1 {
  from {
    transform: translateZ(-600px);
    opacity: 1;
  }
  to {
    transform: translateZ(0);
    opacity: 1;
  }
}

@keyframes sf-fly-by-2 {
  from {
    transform: translateZ(-1200px);
    opacity: 0.9;
  }
  to {
    transform: translateZ(-600px);
    opacity: 0.9;
  }
}

@keyframes sf-fly-by-3 {
  from {
    transform: translateZ(-1800px);
    opacity: 0.8;
  }
  to {
    transform: translateZ(-1200px);
    opacity: 0.8;
  }
}

.star-field {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  perspective: 600px;
  -webkit-perspective: 600px;
  z-index: -1;
}

.star-field .layer {
  box-shadow: -411px -476px #ffffff, 777px -407px #ffffff, -387px -477px #ffffff, -91px -235px #f0f0f0, 491px -460px #ffffff, 892px -128px #ffffff, 758px -277px #f5f5f5, 596px 378px #ffffff, 647px 423px #ffffff, 183px 389px #e8e8e8,
    524px -237px #ffffff, 679px -535px #f0f0f0, 158px 399px #f5f5f5, 157px 249px #f5f5f5, 81px -450px #ffffff, 719px -360px #e0e0e0, -499px 473px #f5f5f5, -158px -349px #f0f0f0, 870px -134px #e8e8e8, 446px 404px #e0e0e0,
    440px 490px #f0f0f0, 414px 507px #f5f5f5, -12px 246px #ffffff, -384px 369px #f0f0f0, 641px -413px #ffffff, 822px 516px #f0f0f0, 449px 132px #e0e0e0, 727px 146px #ffffff, -315px -488px #f5f5f5, 952px -70px #f0f0f0,
    -869px -29px #f0f0f0, 502px 80px #f5f5f5, 764px 342px #f0f0f0, -150px -380px #f0f0f0, 654px -426px #f0f0f0, -325px -263px #e0e0e0, 755px -447px #e8e8e8, 729px -177px #e0e0e0, -682px -391px #f5f5f5, 554px -176px #f5f5f5,
    -85px -428px #f0f0f0, 714px 55px #f5f5f5, 359px -285px #e8e8e8, -362px -508px #f5f5f5, 468px -265px #ffffff, 74px -500px #e8e8e8, -514px 383px #f0f0f0, 730px -92px #e8e8e8, -112px 287px #e8e8e8, -853px 79px #f0f0f0,
    828px 475px #f0f0f0, -681px 13px #ffffff, -176px 209px #ffffff, 758px 457px #ffffff, -383px -454px #f5f5f5, 813px 179px #f0f0f0, 608px 98px #ffffff, -860px -65px #e0e0e0, -572px 272px #ffffff, 459px 533px #ffffff,
    624px -481px #f5f5f5, 790px 477px #f5f5f5, 731px -403px #f5f5f5, 70px -534px #ffffff, -23px 510px #e8e8e8, -652px -237px #ffffff, -690px 367px #f0f0f0, 810px 536px #f0f0f0, 774px 293px #e8e8e8, -362px 97px #e0e0e0,
    563px 47px #f5f5f5, 313px 475px #f0f0f0, 839px -491px #f0f0f0, -217px 377px #f0f0f0, -581px 239px #e0e0e0, -857px 72px #ffffff, -23px 340px #f5f5f5, -837px 246px #ffffff, 170px -502px #e8e8e8, 822px -443px #f0f0f0, 795px 497px #f0f0f0,
    -814px -337px #e8e8e8, 206px -339px #ffffff, -779px 108px #f5f5f5, 808px 2px #f0f0f0, 665px 41px #f0f0f0, -564px 64px #ffffff, -380px 74px #e8e8e8, -369px -60px #ffffff, 47px -495px #f0f0f0, -383px 368px #ffffff, 419px 288px #f0f0f0,
    -598px -50px #e0e0e0, -833px 187px #e0e0e0, 378px 325px #ffffff, -703px 375px #f0f0f0, 392px 520px #f0f0f0, -492px -60px #e0e0e0, 759px 288px #ffffff, 98px -412px #e0e0e0, -911px -277px #e8e8e8;
  transform-style: preserve-3d;
  position: absolute;
  top: 50%;
  left: 50%;
  height: 4px;
  width: 4px;
  border-radius: 2px;
  filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.8));
}

.star-field .layer:nth-child(1) {
  animation: sf-fly-by-1 5s linear infinite;
}

.star-field .layer:nth-child(2) {
  animation: sf-fly-by-2 5s linear infinite;
}

.star-field .layer:nth-child(3) {
  animation: sf-fly-by-3 5s linear infinite;
}

/* ===== Section ===== */
section {
  padding: var(--spacing-3xl) var(--spacing-md);
}

#apps {
  position: relative;
  z-index: 10;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: #ffffff;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

/* ===== App Portfolio Grid ===== */
.app-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  max-width: 400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.app-card {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 10;
}

.app-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 168, 232, 0.3);
}

.app-icon {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
  border-radius: 24px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: 1px solid rgba(0, 168, 232, 0.2);
  box-shadow: 0 4px 12px rgba(0, 168, 232, 0.15);
}

.app-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-card-text);
}

.app-card p {
  color: var(--color-card-text-light);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.app-card a {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 600;
}

.app-card a:hover {
  color: var(--color-primary-dark);
}

/* ===== App Landing Page ===== */
.app-hero {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-md);
  background-color: var(--color-background-alt);
}

.app-icon-large {
  width: 180px;
  height: 180px;
  background-color: var(--color-placeholder);
  border-radius: var(--border-radius-lg);
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: var(--font-size-base);
}

.app-hero h1 {
  margin-bottom: var(--spacing-sm);
}

.app-hero .tagline {
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.app-store-button {
  display: inline-block;
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  transition: background-color 0.2s ease;
}

.app-store-button:hover {
  background-color: var(--color-primary-dark);
  text-decoration: none;
}

.subscription-info {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* ===== Features Section ===== */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

.feature-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.feature-item h3 {
  margin-bottom: var(--spacing-sm);
}

.feature-item p {
  color: var(--color-text-light);
}

/* ===== Screenshots Section ===== */
.screenshots {
  display: flex;
  gap: var(--spacing-lg);
  overflow-x: auto;
  padding: var(--spacing-md) 0;
  max-width: var(--max-width);
  margin: 0 auto;
}

.screenshot-placeholder {
  flex-shrink: 0;
  width: 270px;
  height: 585px;
  background-color: var(--color-placeholder);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* ===== Pricing Card ===== */
.pricing-card {
  background-color: var(--color-background-alt);
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  max-width: 400px;
  margin: 0 auto;
}

.pricing-card h3 {
  margin-bottom: var(--spacing-md);
}

.pricing-card .price {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.pricing-card p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

/* ===== Legal Pages ===== */
.legal-content {
  max-width: 800px;
  margin: var(--spacing-xl) auto;
  padding: var(--spacing-2xl);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 10;
}

.legal-content h1 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-card-text);
}

.legal-content .last-updated {
  color: var(--color-card-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xl);
}

.legal-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid #e5e7eb;
  color: var(--color-card-text);
}

.legal-content h2:first-of-type {
  border-top: none;
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--color-card-text-light);
}

.legal-content ul {
  margin-bottom: var(--spacing-md);
}

/* ===== Support Page ===== */
.support-content {
  max-width: 800px;
  margin: var(--spacing-xl) auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.contact-section {
  text-align: center;
  padding: var(--spacing-2xl);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 10;
}

.contact-section h2 {
  margin-bottom: var(--spacing-md);
  color: var(--color-card-text);
}

.contact-section p {
  color: var(--color-card-text-light);
  margin-bottom: var(--spacing-md);
}

.email-link {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
}

/* ===== FAQ Section ===== */
.faq-section {
  margin-top: var(--spacing-xl);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 10;
}

.faq-section h2 {
  color: var(--color-card-text);
  margin-bottom: var(--spacing-xl);
}

.faq-item {
  border-bottom: 1px solid #e5e7eb;
  margin-bottom: var(--spacing-md);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: var(--spacing-md) 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-card-text);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-question::after {
  content: '+';
  font-size: var(--font-size-2xl);
  font-weight: 400;
  transition: transform 0.2s ease;
}

.faq-question.active::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0;
}

.faq-answer.active {
  max-height: 500px;
  padding-bottom: var(--spacing-md);
}

.faq-answer p {
  color: var(--color-card-text-light);
  margin-bottom: var(--spacing-sm);
}

/* ===== 404 Page ===== */
.error-page {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-md);
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.error-page h1 {
  font-size: 6rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.error-page h2 {
  margin-bottom: var(--spacing-md);
}

.error-page p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.error-page a {
  display: inline-block;
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: background-color 0.2s ease;
}

.error-page a:hover {
  background-color: var(--color-primary-dark);
  text-decoration: none;
}

/* ===== Responsive Design ===== */

/* Tablet (768px and up) */
@media (min-width: 768px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.25rem; }

  .app-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  section {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }

  .hero {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }

  .app-hero {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
  h1 { font-size: 3.5rem; }

  .app-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Mobile menu (below 768px) */
@media (max-width: 767px) {
  .menu-toggle {
    display: block;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  nav.active {
    max-height: 400px;
  }

  nav ul {
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-md);
  }

  nav a {
    display: block;
    padding: var(--spacing-sm) 0;
  }

  .header-content {
    position: relative;
  }
}

/* Print styles */
@media print {
  header, footer, .menu-toggle {
    display: none;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  a {
    text-decoration: underline;
    color: #000;
  }

  .legal-content h2 {
    page-break-after: avoid;
  }
}