/* ========================================
   GOOGLE FONT
======================================== */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap");

/* ========================================
   ROOT VARIABLES
======================================== */

:root {
  /* COLORS */

  --primary-color: #4f46e5;
  --primary-hover: #4338ca;

  --primary-light: #eef2ff;

  --text-color: #111827;
  --text-secondary: #6b7280;

  --background-color: #ffffff;
  --background-secondary: #f9fafb;

  --card-background: #ffffff;

  --border-color: #e5e7eb;

  --success-color: #10b981;

  /* SHADOWS */

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);

  --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.06);

  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.08);

  /* BORDER RADIUS */

  --radius-sm: 8px;

  --radius-md: 12px;

  --radius-lg: 20px;

  /* TRANSITION */

  --transition: all 0.3s ease;
}

/* ========================================
   DARK MODE VARIABLES
======================================== */

body.dark-mode {
  --text-color: #f9fafb;

  --text-secondary: #9ca3af;

  --background-color: #111827;

  --background-secondary: #1f2937;

  --card-background: #1f2937;

  --border-color: #374151;

  --primary-light: #312e81;
}

/* ========================================
   RESET
======================================== */

* {
  margin: 0;

  padding: 0;

  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;

  color: var(--text-color);

  background: var(--background-color);

  line-height: 1.6;

  transition: var(--transition);

  overflow-x: hidden;
}

a {
  text-decoration: none;

  color: inherit;
}

button {
  font-family: inherit;
}

img {
  max-width: 100%;

  display: block;
}

/* ========================================
   CONTAINER
======================================== */

.container {
  width: 100%;

  max-width: 1200px;

  margin: 0 auto;

  padding: 0 24px;
}

/* ========================================
   NAVBAR
======================================== */

.navbar {
  position: sticky;

  top: 0;

  left: 0;

  z-index: 1000;

  width: 100%;

  background: rgba(255, 255, 255, 0.95);

  backdrop-filter: blur(12px);

  -webkit-backdrop-filter: blur(12px);

  border-bottom: 1px solid var(--border-color);

  transition: var(--transition);
}

body.dark-mode .navbar {
  background: rgba(17, 24, 39, 0.95);
}

/* ========================================
   NAVBAR CONTAINER
======================================== */

.nav-container {
  width: 100%;

  max-width: 1200px;

  height: 72px;

  margin: 0 auto;

  padding: 0 24px;

  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 30px;
}

/* ========================================
   LOGO
======================================== */

.logo {
  display: inline-flex;

  align-items: center;

  flex-shrink: 0;

  font-size: 20px;

  font-weight: 800;

  letter-spacing: -0.5px;

  color: var(--text-color);

  white-space: nowrap;
}

.logo span {
  color: var(--primary-color);
}

/* ========================================
   NAVIGATION
======================================== */

.nav-menu {
  display: flex;

  align-items: center;

  justify-content: center;

  gap: 32px;

  margin-left: auto;
}

.nav-link {
  position: relative;

  display: inline-flex;

  align-items: center;

  font-size: 14px;

  font-weight: 500;

  color: var(--text-secondary);

  white-space: nowrap;

  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
}

/* NAV UNDERLINE */

.nav-link::after {
  content: "";

  position: absolute;

  left: 0;

  bottom: -8px;

  width: 0;

  height: 2px;

  background: var(--primary-color);

  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ========================================
   NAV ACTIONS
======================================== */

.nav-actions {
  display: flex;

  align-items: center;

  justify-content: flex-end;

  gap: 12px;

  flex-shrink: 0;
}

/* ========================================
   THEME TOGGLE
======================================== */

.theme-toggle,
.menu-toggle {
  width: 40px;

  height: 40px;

  display: flex;

  align-items: center;

  justify-content: center;

  padding: 0;

  border: none;

  border-radius: var(--radius-sm);

  background: var(--background-secondary);

  color: var(--text-color);

  font-size: 20px;

  cursor: pointer;

  transition: var(--transition);
}

.theme-toggle:hover,
.menu-toggle:hover {
  background: var(--primary-light);

  color: var(--primary-color);
}

/* ========================================
   MOBILE MENU
======================================== */

.menu-toggle {
  display: none;
}

/* ========================================
   BUTTON
======================================== */

.btn {
  display: inline-flex;

  align-items: center;

  justify-content: center;

  gap: 8px;

  min-height: 46px;

  padding: 0 20px;

  border: 1px solid transparent;

  border-radius: var(--radius-sm);

  font-size: 14px;

  font-weight: 600;

  cursor: pointer;

  transition: var(--transition);
}

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

/* PRIMARY BUTTON */

.btn-primary {
  background: var(--primary-color);

  color: #ffffff;

  border-color: var(--primary-color);

  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--primary-hover);

  border-color: var(--primary-hover);

  transform: translateY(-2px);

  box-shadow: var(--shadow-md);
}

/* SECONDARY BUTTON */

.btn-secondary {
  background: var(--card-background);

  color: var(--text-color);

  border-color: var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--primary-color);

  color: var(--primary-color);

  transform: translateY(-2px);

  box-shadow: var(--shadow-sm);
}

/* ========================================
   HERO SECTION
======================================== */

.hero {
  position: relative;

  padding: 120px 0 100px;

  overflow: hidden;

  background: linear-gradient(
    180deg,
    var(--background-color) 0%,
    var(--background-secondary) 100%
  );
}

/* HERO BACKGROUND EFFECT */

.hero::before {
  content: "";

  position: absolute;

  width: 500px;

  height: 500px;

  top: -250px;

  right: -150px;

  border-radius: 50%;

  background: var(--primary-light);

  filter: blur(80px);

  opacity: 0.6;

  pointer-events: none;
}

/* HERO CONTAINER */

.hero-container {
  position: relative;

  z-index: 2;
}

/* HERO CONTENT */

.hero-content {
  max-width: 800px;

  margin: 0 auto;

  text-align: center;
}

/* HERO BADGE */

.hero-badge {
  display: inline-flex;

  align-items: center;

  justify-content: center;

  gap: 8px;

  padding: 8px 14px;

  margin-bottom: 24px;

  border: 1px solid var(--border-color);

  border-radius: 50px;

  background: var(--card-background);

  color: var(--primary-color);

  font-size: 13px;

  font-weight: 600;

  box-shadow: var(--shadow-sm);
}

.hero-badge i {
  font-size: 18px;
}

/* HERO TITLE */

.hero h1 {
  max-width: 800px;

  margin: 0 auto;

  font-size: clamp(42px, 6vw, 72px);

  line-height: 1.1;

  letter-spacing: -3px;

  font-weight: 800;

  color: var(--text-color);
}

.hero h1 span {
  display: block;

  color: var(--primary-color);
}

/* HERO DESCRIPTION */

.hero p {
  max-width: 620px;

  margin: 24px auto 0;

  font-size: 17px;

  line-height: 1.7;

  color: var(--text-secondary);
}

/* HERO BUTTONS */

.hero-buttons {
  display: flex;

  align-items: center;

  justify-content: center;

  gap: 14px;

  margin-top: 36px;
}

/* ========================================
   SECTION COMMON
======================================== */

.tools-section,
.why-section,
.about-section {
  padding: 100px 0;
}

/* ========================================
   SECTION HEADER
======================================== */

.section-header {
  max-width: 700px;

  margin: 0 auto 55px;

  text-align: center;
}

.section-label {
  display: inline-block;

  margin-bottom: 12px;

  color: var(--primary-color);

  font-size: 12px;

  font-weight: 700;

  letter-spacing: 1.5px;
}

.section-header h2 {
  margin-bottom: 14px;

  font-size: clamp(28px, 4vw, 40px);

  line-height: 1.2;

  letter-spacing: -1.5px;
}

.section-header p {
  max-width: 600px;

  margin: 0 auto;

  font-size: 15px;

  color: var(--text-secondary);
}

/* ========================================
   TOOLS SECTION
======================================== */

.tools-section {
  background: var(--background-color);
}

/* ========================================
   TOOLS GRID
======================================== */

.tools-grid {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 20px;
}

/* ========================================
   TOOL CARD
======================================== */

.tool-card {
  position: relative;

  min-height: 220px;

  padding: 28px;

  display: flex;

  flex-direction: column;

  border: 1px solid var(--border-color);

  border-radius: var(--radius-lg);

  background: var(--card-background);

  box-shadow: var(--shadow-sm);

  overflow: hidden;

  transition: var(--transition);
}

.tool-card:hover {
  border-color: var(--primary-color);

  transform: translateY(-5px);

  box-shadow: var(--shadow-md);
}

/* TOOL ICON */

.tool-icon {
  width: 52px;

  height: 52px;

  display: flex;

  align-items: center;

  justify-content: center;

  margin-bottom: 22px;

  border-radius: var(--radius-md);

  background: var(--primary-light);

  color: var(--primary-color);

  font-size: 26px;

  transition: var(--transition);
}

.tool-card:hover .tool-icon {
  transform: scale(1.05);
}

/* TOOL CONTENT */

.tool-content {
  padding-right: 30px;
}

.tool-content h3 {
  margin-bottom: 8px;

  font-size: 17px;

  line-height: 1.3;
}

.tool-content p {
  margin-bottom: 18px;

  font-size: 13px;

  color: var(--text-secondary);
}

/* TOOL LINK */

.tool-link {
  display: inline-flex;

  align-items: center;

  gap: 6px;

  color: var(--primary-color);

  font-size: 13px;

  font-weight: 600;
}

.tool-link i {
  font-size: 17px;

  transition: var(--transition);
}

.tool-card:hover .tool-link i {
  transform: translateX(4px);
}

/* TOOL ARROW */

.tool-arrow {
  position: absolute;

  top: 28px;

  right: 28px;

  width: 34px;

  height: 34px;

  display: flex;

  align-items: center;

  justify-content: center;

  border-radius: 50%;

  background: var(--background-secondary);

  color: var(--text-secondary);

  font-size: 18px;

  transition: var(--transition);
}

.tool-card:hover .tool-arrow {
  background: var(--primary-light);

  color: var(--primary-color);
}

/* ========================================
   COMING SOON
======================================== */

.tool-card.coming-soon {
  cursor: default;

  border-style: dashed;

  background: var(--background-secondary);
}

.tool-card.coming-soon:hover {
  border-color: var(--border-color);

  transform: none;

  box-shadow: var(--shadow-sm);
}

.tool-card.coming-soon .tool-icon {
  background: var(--background-color);

  color: var(--text-secondary);
}

.tool-card.coming-soon .tool-link {
  color: var(--text-secondary);
}

/* ========================================
   WHY SECTION
======================================== */

.why-section {
  background: var(--background-secondary);
}

/* ========================================
   FEATURES GRID
======================================== */

.features-grid {
  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 20px;
}

/* ========================================
   FEATURE CARD
======================================== */

.feature-card {
  padding: 28px;

  border: 1px solid var(--border-color);

  border-radius: var(--radius-lg);

  background: var(--card-background);

  text-align: center;

  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);

  border-color: var(--primary-color);

  box-shadow: var(--shadow-md);
}

/* FEATURE ICON */

.feature-icon {
  width: 54px;

  height: 54px;

  margin: 0 auto 20px;

  display: flex;

  align-items: center;

  justify-content: center;

  border-radius: 50%;

  background: var(--primary-light);

  color: var(--primary-color);

  font-size: 25px;
}

.feature-card h3 {
  margin-bottom: 8px;

  font-size: 16px;
}

.feature-card p {
  font-size: 13px;

  color: var(--text-secondary);
}

/* ========================================
   ABOUT SECTION
======================================== */

.about-section {
  background: var(--background-color);
}

/* ========================================
   ABOUT CONTAINER
======================================== */

.about-container {
  display: grid;

  grid-template-columns: 1fr 1fr;

  align-items: center;

  gap: 80px;
}

/* ========================================
   ABOUT CONTENT
======================================== */

.about-content {
  max-width: 600px;
}

.about-content h2 {
  margin-bottom: 20px;

  font-size: clamp(30px, 4vw, 42px);

  line-height: 1.2;

  letter-spacing: -1.5px;
}

.about-content p {
  margin-bottom: 16px;

  font-size: 15px;

  color: var(--text-secondary);
}

.about-content .btn {
  margin-top: 14px;
}

/* ========================================
   ABOUT VISUAL
======================================== */

.about-visual {
  min-height: 350px;

  display: flex;

  align-items: center;

  justify-content: center;

  border: 1px solid var(--border-color);

  border-radius: var(--radius-lg);

  background: linear-gradient(
    135deg,
    var(--background-secondary),
    var(--primary-light)
  );

  overflow: hidden;
}

.about-icon-large {
  width: 180px;

  height: 180px;

  display: flex;

  align-items: center;

  justify-content: center;

  border-radius: 40px;

  background: var(--card-background);

  color: var(--primary-color);

  font-size: 100px;

  box-shadow: var(--shadow-lg);

  transform: rotate(-5deg);

  transition: var(--transition);
}

.about-visual:hover .about-icon-large {
  transform: rotate(0deg) scale(1.05);
}

/* ========================================
   FOOTER
======================================== */

.footer {
  background: var(--background-secondary);

  border-top: 1px solid var(--border-color);
}

/* ========================================
   FOOTER CONTAINER
======================================== */

.footer-container {
  min-height: 180px;

  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 40px;

  padding-top: 40px;

  padding-bottom: 40px;
}

/* ========================================
   FOOTER BRAND
======================================== */

.footer-brand .logo {
  margin-bottom: 10px;
}

.footer-brand p {
  font-size: 13px;

  color: var(--text-secondary);
}

/* ========================================
   FOOTER LINKS
======================================== */

.footer-links {
  display: flex;

  align-items: center;

  justify-content: flex-end;

  flex-wrap: wrap;

  gap: 24px;
}

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

  font-size: 13px;

  transition: var(--transition);
}

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

/* ========================================
   FOOTER BOTTOM
======================================== */

.footer-bottom {
  padding: 20px 0;

  border-top: 1px solid var(--border-color);

  text-align: center;
}

.footer-bottom p {
  font-size: 12px;

  color: var(--text-secondary);
}

/* ========================================
   TABLET
======================================== */

@media (max-width: 992px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .about-container {
    gap: 50px;
  }
}

/* ========================================
   MOBILE NAVIGATION
======================================== */

@media (max-width: 768px) {
  /* NAVBAR */

  .nav-container {
    height: 64px;

    padding: 0 18px;

    gap: 12px;
  }

  /* NAV MENU */

  .nav-menu {
    position: absolute;

    top: 64px;

    left: 0;

    width: 100%;

    padding: 20px;

    display: flex;

    flex-direction: column;

    align-items: flex-start;

    gap: 18px;

    background: var(--background-color);

    border-bottom: 1px solid var(--border-color);

    box-shadow: var(--shadow-md);

    opacity: 0;

    visibility: hidden;

    transform: translateY(-10px);

    transition: var(--transition);
  }

  .nav-menu.active {
    opacity: 1;

    visibility: visible;

    transform: translateY(0);
  }

  .nav-link::after {
    display: none;
  }

  /* MOBILE MENU BUTTON */

  .menu-toggle {
    display: flex;
  }

  .nav-actions {
    gap: 8px;
  }

  /* HERO */

  .hero {
    padding: 90px 0 80px;
  }

  .hero h1 {
    font-size: 42px;

    letter-spacing: -2px;
  }

  .hero p {
    font-size: 15px;
  }

  .hero-buttons {
    flex-direction: column;

    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;

    max-width: 300px;
  }

  /* SECTIONS */

  .tools-section,
  .why-section,
  .about-section {
    padding: 80px 0;
  }

  /* TOOLS */

  .tools-grid {
    grid-template-columns: 1fr;
  }

  /* FEATURES */

  .features-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* ABOUT */

  .about-container {
    grid-template-columns: 1fr;

    gap: 50px;
  }

  .about-content {
    max-width: none;

    text-align: center;
  }

  .about-content .section-label {
    display: block;
  }

  .about-visual {
    min-height: 300px;
  }

  /* FOOTER */

  .footer-container {
    flex-direction: column;

    align-items: center;

    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}

/* ========================================
   SMALL MOBILE
======================================== */

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  /* NAVBAR */

  .nav-container {
    height: 64px;

    padding: 0 16px;
  }

  .logo {
    font-size: 18px;
  }

  .nav-actions {
    gap: 6px;
  }

  .theme-toggle,
  .menu-toggle {
    width: 38px;

    height: 38px;

    font-size: 19px;
  }

  /* HERO */

  .hero {
    padding: 70px 0;
  }

  .hero h1 {
    font-size: 36px;

    letter-spacing: -1.5px;
  }

  .hero p {
    font-size: 14px;
  }

  .hero-badge {
    font-size: 11px;

    padding: 7px 12px;
  }

  /* SECTION */

  .tools-section,
  .why-section,
  .about-section {
    padding: 70px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section-header h2 {
    font-size: 28px;
  }

  .section-header p {
    font-size: 14px;
  }

  /* TOOLS */

  .tool-card {
    min-height: 200px;

    padding: 24px;
  }

  /* FEATURES */

  .features-grid {
    grid-template-columns: 1fr;
  }

  /* ABOUT */

  .about-content h2 {
    font-size: 30px;
  }

  .about-content p {
    font-size: 14px;
  }

  .about-visual {
    min-height: 260px;
  }

  .about-icon-large {
    width: 140px;

    height: 140px;

    font-size: 80px;
  }

  /* FOOTER */

  .footer-container {
    padding-top: 35px;

    padding-bottom: 35px;
  }

  .footer-links {
    gap: 14px 20px;
  }
}