/* ========================================
   ImageTools — Shared Styles (Light Theme)
   Used by ALL pages across the site
   ======================================== */

/* --- CSS Custom Properties --- */
:root {
  --color-bg: #FFFFFF;
  --color-bg-secondary: #F7F8FA;
  --color-bg-tertiary: #EEF0F3;
  --color-accent: #65a30d;
  --color-accent-hover: #4d7c0f;
  --color-text: #0F172A;
  --color-text-secondary: rgba(15, 23, 42, 0.65);
  --color-text-muted: rgba(15, 23, 42, 0.45);
  --color-text-dim: rgba(15, 23, 42, 0.25);
  --color-border: rgba(15, 23, 42, 0.1);
  --color-border-subtle: rgba(15, 23, 42, 0.06);
  --color-border-accent: rgba(101, 163, 13, 0.25);
  --color-border-accent-strong: rgba(101, 163, 13, 0.5);
  --color-glass: rgba(15, 23, 42, 0.02);
  --color-glass-hover: rgba(15, 23, 42, 0.04);
  --color-selection: rgba(101, 163, 13, 0.15);
  --font-sans: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', 'SF Mono', 'Fira Code', monospace;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.09);
  --shadow-glow: 0 0 15px rgba(101, 163, 13, 0.1);
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --nav-height: 64px;
  --container-max: 1280px;
  --container-padding: 24px;
  --btn-primary-text: #FFFFFF;
  --nav-bg: rgba(255, 255, 255, 0.85);
  --scrollbar-thumb: rgba(15, 23, 42, 0.15);
  --scrollbar-thumb-hover: rgba(15, 23, 42, 0.25);
  --blob-opacity-1: 0.04;
  --blob-opacity-2: 0.03;
  --glow-rgb: 101, 163, 13;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

::selection {
  background: var(--color-selection);
  color: var(--color-text);
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

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

/* --- Background Effects --- */
.bg-effects {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
}

.bg-blob-1 {
  width: 800px;
  height: 800px;
  background: var(--color-accent);
  top: -400px;
  left: 50%;
  transform: translateX(-50%);
  opacity: var(--blob-opacity-1);
}

.bg-blob-2 {
  width: 500px;
  height: 500px;
  background: var(--color-accent);
  bottom: 20%;
  right: -200px;
  opacity: var(--blob-opacity-2);
}

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: var(--nav-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--btn-primary-text);
}

.nav-logo-icon i {
  width: 18px;
  height: 18px;
}

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

.nav-center {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font-sans);
}

.nav-link:hover {
  color: var(--color-text);
  background: rgba(15, 23, 42, 0.05);
}

.nav-link i {
  width: 14px;
  height: 14px;
}

/* Tools Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  opacity: 0;
  visibility: hidden;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 8px;
  min-width: 280px;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  z-index: 100;
}

.nav-dropdown.active .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.nav-dropdown-item:hover {
  background: var(--color-glass-hover);
  color: var(--color-text);
}

.nav-dropdown-item i {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Nav Right Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Switcher */
.lang-switcher {
  position: relative;
}

.lang-switcher-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.lang-switcher-btn:hover {
  border-color: var(--color-border-accent);
  color: var(--color-text);
}

.lang-switcher-btn i {
  width: 14px;
  height: 14px;
}

.lang-switcher-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  opacity: 0;
  visibility: hidden;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 4px;
  min-width: 160px;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  z-index: 100;
}

.lang-switcher.active .lang-switcher-menu {
  opacity: 1;
  visibility: visible;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-sans);
}

.lang-option:hover {
  background: var(--color-glass-hover);
  color: var(--color-text);
}

.lang-option.active {
  color: var(--color-accent);
}

/* Nav CTA Button */
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  background: var(--color-accent);
  color: var(--btn-primary-text);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-glow);
}

/* Mobile Nav Toggle */
.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: 8px;
  align-items: center;
  justify-content: center;
}

.nav-mobile-toggle i {
  width: 24px;
  height: 24px;
}

/* Mobile Nav Menu */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-secondary);
  z-index: 999;
  padding: 24px var(--container-padding);
  overflow-y: auto;
  border-top: 1px solid var(--color-border-subtle);
}

.nav-mobile-menu.active {
  display: block;
}

.nav-mobile-section {
  margin-bottom: 28px;
}

.nav-mobile-heading {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  margin-bottom: 12px;
  padding-left: 4px;
}

.nav-mobile-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.nav-mobile-link:hover {
  background: var(--color-glass-hover);
  color: var(--color-text);
}

.nav-mobile-link i {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.nav-mobile-lang {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nav-mobile-lang-btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-mobile-lang-btn:hover {
  border-color: var(--color-border-accent);
  color: var(--color-text);
}

.nav-mobile-lang-btn.active {
  background: rgba(var(--glow-rgb), 0.1);
  border-color: var(--color-border-accent);
  color: var(--color-accent);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  white-space: nowrap;
  line-height: 1;
  text-decoration: none;
}

.btn i {
  width: 18px;
  height: 18px;
}

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

.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-border-accent);
  background: var(--color-glass-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  padding: 12px 16px;
}

.btn-ghost:hover {
  color: var(--color-text);
  background: rgba(15, 23, 42, 0.05);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.0625rem;
}

/* --- Cards --- */
.card {
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.card:hover {
  background: var(--color-glass-hover);
  border-color: var(--color-border-accent);
}

.card-glow:hover {
  box-shadow: 0 0 30px rgba(var(--glow-rgb), 0.05);
}

/* --- Ad Container --- */
.ad-container {
  width: 100%;
  max-width: 728px;
  margin: 0 auto;
  padding: 16px var(--container-padding);
  position: relative;
  z-index: 1;
}

.ad-slot {
  width: 100%;
  min-height: 90px;
  background: var(--color-bg-tertiary);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--color-text-dim);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  overflow: hidden;
}

.ad-slot-label {
  font-size: 0.625rem;
  color: var(--color-text-dim);
  opacity: 0.6;
}

/* --- Section --- */
.section {
  position: relative;
  z-index: 1;
  padding: 96px 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(var(--glow-rgb), 0.08);
  border: 1px solid var(--color-border-accent);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.section-label i {
  width: 12px;
  height: 12px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 600px;
}

/* --- Footer --- */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--color-border-subtle);
  padding: 56px 0 32px;
  background: var(--color-bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-top: 14px;
  max-width: 280px;
}

.footer-heading {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  margin-bottom: 16px;
}

.footer-link {
  display: block;
  padding: 5px 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-accent);
}

.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--color-text-dim);
}

/* --- Animations --- */
@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(30px);
    filter: blur(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 15px rgba(var(--glow-rgb), 0.08); }
  50% { box-shadow: 0 0 30px rgba(var(--glow-rgb), 0.15); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  filter: blur(8px);
}

.reveal.active {
  animation: reveal 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

.reveal-d1 { animation-delay: 0.1s !important; }
.reveal-d2 { animation-delay: 0.2s !important; }
.reveal-d3 { animation-delay: 0.3s !important; }
.reveal-d4 { animation-delay: 0.4s !important; }
.reveal-d5 { animation-delay: 0.5s !important; }
.reveal-d6 { animation-delay: 0.6s !important; }

/* --- Dot Pattern Utility --- */
.dot-pattern {
  background-image: radial-gradient(rgba(15, 23, 42, 0.07) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* --- RTL Support --- */
[dir="rtl"] .nav-logo {
  flex-direction: row-reverse;
}

[dir="rtl"] .nav-dropdown-menu {
  left: auto;
  right: 50%;
  transform: translateX(50%) translateY(10px);
}

[dir="rtl"] .nav-dropdown.active .nav-dropdown-menu {
  transform: translateX(50%) translateY(0);
}

[dir="rtl"] .lang-switcher-menu {
  right: auto;
  left: 0;
}

[dir="rtl"] .hero-content {
  text-align: right;
}

[dir="rtl"] .hero-actions {
  justify-content: flex-start;
}

[dir="rtl"] .hero-stats {
  justify-content: flex-start;
}

[dir="rtl"] .section-subtitle {
  margin-left: auto;
  margin-right: 0;
}

[dir="rtl"] .features-grid,
[dir="rtl"] .steps-grid {
  direction: rtl;
}

[dir="rtl"] .footer-grid {
  direction: rtl;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .hero-visual {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 20px;
    --nav-height: 60px;
  }

  .section {
    padding: 64px 0;
  }

  .nav-center {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .nav-mobile-toggle {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* --- Utility Classes --- */
.text-accent { color: var(--color-accent); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-dim { color: var(--color-text-dim); }
.font-mono { font-family: var(--font-mono); }

/* --- Mega Menu (Header) --- */
.nav-dropdown-menu.mega-menu {
  min-width: 600px; /* Wide enough for 2-4 columns */
  padding: 16px;
}

.nav-mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 2 columns by default */
  gap: 16px;
}

.nav-mega-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-mega-heading {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-dim);
  margin-bottom: 8px;
  padding: 0 14px;
}

.nav-mega-heading i {
  width: 14px;
  height: 14px;
  color: var(--color-accent);
}

/* --- Footer Grid Update --- */
/* Change from 1.5fr 1fr 1fr 1fr to auto-fit to handle more columns */
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr); /* Brand + 4 tool categories + About column = 6 cols */
  gap: 32px;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr); /* Wrap gracefully on tablets */
    gap: 24px;
  }
  .footer-brand {
    grid-column: 1 / -1; /* Brand spans full width on tablet */
    margin-bottom: 16px;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr; /* 2 columns on mobile */
  }
  .nav-dropdown-menu.mega-menu {
    min-width: 100%;
    position: static; /* Let it push content down on mobile if needed */
    transform: none;
    opacity: 1;
    visibility: visible;
    display: none; /* Hidden by default, toggle with JS */
  }
}