/* Reset and Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', sans-serif;
    background: var(--bg);
    line-height: 1.7;
    letter-spacing: 0.3px;
    color: var(--text);
}

/* Root Variables */
:root {
    --bg: linear-gradient(180deg, #fbfdff, #f1f9ff);
    --surface: #ffffff;
    --accent: #2aa6c9;
    --accent-2: #34b3ff;
    --accent-warm: #ff6b5b;
    --accent-navy: #1a3a52;
    --accent-soft: rgba(42, 166, 201, 0.08);
    --text: #17202a;
    --muted: #6b6f76;
    --radius: 12px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 24px rgba(17, 38, 76, 0.08);
    --shadow-lg: 0 16px 48px rgba(17, 38, 76, 0.12);
    --shadow-xl: 0 24px 64px rgba(17, 38, 76, 0.15);
}

/* Header and Navigation Bar Styles */
.header {
    background: white;
    padding: 0.8rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-navy);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin-right: 20px;
}

.logo img {
    height: 40px;
    width: auto;
    position: relative;
    top: 4px;
    border-radius: 50%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Navigation */
nav {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

nav a {
    font-weight: 600;
    color: var(--text);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: color 200ms ease;
}

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

.donate-btn {
    background: linear-gradient(135deg, #ff6b5b 0%, #ff8a7a 100%);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 700;
    box-shadow: 0 6px 20px rgba(255, 107, 91, 0.2);
    transition: transform 200ms ease, box-shadow 200ms ease;
}

.donate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(255, 107, 91, 0.3);
}

/* Mobile Navigation Toggle & Close Button */
.nav-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: background 0.2s ease;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    position: relative;
    transition: all 0.2s ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: all 0.2s ease;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
    }

    nav {
        display: none;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        padding: 1rem;
        box-shadow: var(--shadow-md);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.2s ease;
    }

    nav.open {
        display: flex;
        opacity: 1;
        visibility: visible;
    }
}

@media (min-width: 769px) {
    .nav-toggle {
        display: none;
    }

    nav {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 1rem;
    }
}

/* Tool Page Container */
.container {
    max-width: 1000px;
    margin: 1.2rem auto;
    padding: 1rem;
}

.tool-page-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tool-page-header h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--accent-navy), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-page-sub {
    color: var(--muted);
    font-size: 0.95rem;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 1rem;
    background: linear-gradient(135deg, #0066cc 0%, #00a3e0 50%, #00d9ff 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    z-index: 0;
}

.hero > * {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 0.8rem;
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.hero .cta-btn {
    background: linear-gradient(135deg, #ff6b5b, #ff8a7a);
    color: #fff;
    padding: 0.8rem 1.5rem;
    border-radius: 10px;
    font-weight: 800;
    margin-top: 1.8rem;
    display: inline-block;
    box-shadow: 0 12px 32px rgba(255, 107, 91, 0.3);
    transition: transform 200ms ease, box-shadow 200ms ease;
    border: none;
    cursor: pointer;
}

.hero .cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(255, 107, 91, 0.4);
}

/* Panels & Cards for Tool Pages */
.panel {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 260ms cubic-bezier(0.2, 0.9, 0.3, 1), box-shadow 260ms ease, border-color 200ms ease;
}

.panel:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255, 255, 255, 0.9);
}

.panel .lead {
    font-weight: 800;
    color: var(--accent-navy);
    margin-bottom: 1rem;
    font-size: 1.15rem;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: -0.3px;
}

/* File Input */
.file-input {
    display: flex;
    gap: 0.8rem;
    align-items: center;
}

.file-input input[type="file"] {
    flex: 1;
}

/* Buttons for Tools */
.btn {
    display: inline-block;
    padding: 0.7rem 1.2rem;
    border-radius: 10px;
    font-weight: 700;
    transition: all 200ms ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 10px 28px rgba(42, 166, 201, 0.25);
    font-weight: 800;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 36px rgba(42, 166, 201, 0.35);
}

/* Inputs & Placeholders for Tool Pages */
input[type="text"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 1rem 1.2rem;
    border-radius: 12px;
    border: 2px solid rgba(42, 166, 201, 0.12);
    background: linear-gradient(180deg, #ffffff 0%, #f8fcff 100%);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 220ms ease, border-color 220ms ease, transform 200ms ease, background 200ms ease;
    font-size: 1rem;
    color: #17202a;
    font-family: 'Roboto', sans-serif;
    letter-spacing: 0.2px;
}

textarea {
    min-height: 160px;
    resize: vertical;
}

input::placeholder,
textarea::placeholder {
    color: rgba(23, 32, 42, 0.35);
    font-style: italic;
    font-weight: 500;
    letter-spacing: 0.3px;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(42, 166, 201, 0.12), var(--shadow-md);
    transform: translateY(-2px);
    background: linear-gradient(180deg, #ffffff 0%, #f0f8ff 100%);
}

/* Nice File List / Result Area */
.results {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: 1rem;
}

.result-item {
    background: linear-gradient(135deg, var(--accent-soft), rgba(52, 179, 255, 0.04));
    padding: 1.1rem 1.3rem;
    border-radius: 12px;
    border-left: 5px solid var(--accent);
    border-top: 1px solid rgba(42, 166, 201, 0.1);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 200ms ease;
}

.result-item:hover {
    transform: translateX(6px) translateY(-2px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--accent-2);
}

/* Features Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    justify-content: center;
    padding: 2.5rem 1rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 18px;
    padding: 2.2rem 1.8rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 260ms cubic-bezier(0.2, 0.9, 0.3, 1), box-shadow 260ms ease, border-color 200ms ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255, 255, 255, 0.9);
}

.feature-card h3 {
    margin-bottom: 0.8rem;
    color: var(--accent-navy);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.3px;
}

.feature-card p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.8;
    letter-spacing: 0.2px;
}

.feature-card .learn-more {
    display: inline-block;
    margin-top: 1.2rem;
    color: var(--accent);
    font-weight: 700;
    position: relative;
    padding-bottom: 4px;
}

.feature-card .learn-more::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 300ms ease;
}

.feature-card .learn-more:hover::after {
    transform: scaleX(1);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #1a2634 0%, #1f2d3d 100%);
    color: #ddd;
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 4rem;
    border-top: 2px solid transparent;
    border-image: linear-gradient(90deg, var(--accent), var(--accent-warm)) 1;
    box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.08);
}

footer p {
    color: #aaa;
    font-size: 0.9rem;
    line-height: 1.8;
    letter-spacing: 0.2px;
}

footer a {
    color: var(--accent-2);
    font-weight: 700;
    transition: color 220ms ease, text-shadow 220ms ease;
    text-decoration: none;
}

footer a:hover {
    color: var(--accent-warm);
    text-shadow: 0 0 12px rgba(255, 107, 91, 0.3);
}

/* Progress Bar - Modern Style */
.progress-container {
    margin: 20px 0;
    padding: 16px;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    display: none;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: #e2e8f0;
    border-radius: 5px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #10b981);
    border-radius: 5px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

.progress-text {
    text-align: center;
    margin-top: 12px;
    font-size: 14px;
    color: #475569;
    font-weight: 500;
}

.progress-percentage {
    font-weight: 700;
    color: #3b82f6;
    margin-left: 8px;
}

.status-icon {
    margin-right: 6px;
    font-size: 16px;
}

/* File Status Box */
.file-status {
    margin-top: 16px;
    padding: 12px 16px;
    background: #eff6ff;
    border-left: 4px solid #3b82f6;
    border-radius: 8px;
    font-size: 14px;
    color: #1e40af;
    display: none;
}

.file-status.processing {
    background: #fffbeb;
    border-left-color: #f59e0b;
    color: #92400e;
}

.file-status.complete {
    background: #ecfdf5;
    border-left-color: #10b981;
    color: #065f46;
}

/* Hide the Ugly Default File Input */
#pdfFiles, #pdfFilesSplit {
    display: none;
}

/* Make the Button Visible and Styled */
.file-input-button {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.file-input-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

/* Make the Container Clickable Too */
.tool-file-input {
    cursor: pointer;
    display: inline-block;
}

/* Text Styling */
.file-input-text {
    margin-bottom: 8px;
    font-size: 14px;
    color: #64748b;
}

.file-input-text strong {
    color: #1e40af;
}

/* Responsive Improvements */
@media (max-width: 768px) {
    .hero {
        padding: 2.5rem 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1.5rem 1rem;
    }

    .panel {
        padding: 1.2rem;
    }
}

@media (max-width: 575.98px) {
    .hero {
        padding: 2rem 1rem;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

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

    .panel {
        padding: 1rem;
    }
}

/* Navigation */
header {
  background: #fff;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0.8rem 1.5rem;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.logo img {
  height: 45px;
  width: auto;
  border-radius: 50%;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Desktop Nav */
nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

nav a {
  font-weight: 600;
  color: var(--text);
  transition: color 0.2s ease;
}

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

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger, .hamburger::before, .hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  position: relative;
  transition: all 0.3s ease;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

.nav-toggle.active .hamburger {
  background: transparent;
}
.nav-toggle.active .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}
.nav-toggle.active .hamburger::after {
  transform: rotate(-45deg);
  top: 0;
}

/* Mobile Nav */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  nav {
    display: none;
    flex-direction: column;
    gap: 1rem;
    background: rgba(255,255,255,0.95);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: var(--shadow-md);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
  }
  nav.open { display: flex; }
}


/* Enhanced Ad Placeholder with Pulse */
.ad-placeholder {
    background: linear-gradient(135deg, #ffffff 0%, #f0f8ff 50%, #e6f4ff 100%);
    border-radius: 16px;
    padding: 1.5rem;
    color: var(--accent-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(42, 166, 201, 0.15);
    box-shadow: var(--shadow-md);
    animation: adPulse 3.5s ease-in-out infinite;
    font-weight: 600;
    font-size: 0.9rem;
}

.ad-placeholder::after {
    content: "";
    position: absolute;
    top: 0;
    left: -160%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.5) 50%, rgba(255, 255, 255, 0));
    transform: skewX(-20deg);
    animation: shimmer-tools 2s infinite;
}

@keyframes shimmer-tools {
    to {
        left: 160%;
    }
}

@keyframes adPulse {
    0%, 100% {
        box-shadow: var(--shadow-md);
        border-color: rgba(42, 166, 201, 0.15);
    }
    50% {
        box-shadow: 0 12px 36px rgba(42, 166, 201, 0.18);
        border-color: rgba(42, 166, 201, 0.25);
    }
}

/* Slide Up Animation for Results */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-item {
    animation: slideUp 300ms ease-out forwards;
}

.result-item:nth-child(1) {
    animation-delay: 0ms;
}

.result-item:nth-child(2) {
    animation-delay: 100ms;
}

.result-item:nth-child(3) {
    animation-delay: 200ms;
}

.result-item:nth-child(4) {
    animation-delay: 300ms;
}


/* Button Styles */
.btn-cta {
    display: inline-block;
    padding: 0.7rem 1.2rem;
    border-radius: 10px;
    font-weight: 700;
    transition: all 200ms ease;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    color: #fff;
    background: var(--accent);
}

.btn:hover,
.btn:focus {
    background: var(--accent-2);
    border-color: var(--accent-2);
    outline: none;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(42, 166, 201, 0.3);
}

.btn:active {
    background: var(--accent-2);
    border-color: var(--accent-2);
    transform: translateY(0);
    box-shadow: 0 4px 8px rgba(42, 166, 201, 0.2);
}

/* Responsive Button Styles */
@media (max-width: 768px) {
    .btn {
        padding: 0.6rem 1.1rem;
        font-size: 0.9rem;
    }
}