/* ============================================
   PDF MASTER — COMPLETE STYLESHEET
   Modern Dark Theme + 3D Animations
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap');

/* ---- CSS Variables ---- */
:root {
    --red: #FF3B3B;
    --red-glow: rgba(255, 59, 59, 0.35);
    --red-soft: rgba(255, 59, 59, 0.1);
    --white: #ffffff;
    --bg: #080C14;
    --bg-2: #0D1420;
    --bg-card: #111827;
    --bg-card-hover: #161f30;
    --border: rgba(255,255,255,0.07);
    --border-glow: rgba(255, 59, 59, 0.25);
    --text: #E8EDF5;
    --text-muted: #6B7894;
    --text-dim: #3D4A63;
    --accent: #FF3B3B;
    --accent-2: #FF7043;
    --grad: linear-gradient(135deg, var(--red) 0%, var(--accent-2) 100%);
    --shadow-card: 0 20px 60px rgba(0,0,0,0.5);
    --shadow-red: 0 10px 40px var(--red-glow);
    --radius: 20px;
    --radius-sm: 12px;
    --transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease: all 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Sora', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ---- Custom Cursor ---- */
.cursor {
    width: 8px; height: 8px;
    background: var(--red);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s, width 0.2s, height 0.2s;
}

.cursor-follower {
    width: 32px; height: 32px;
    border: 1.5px solid var(--red);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: all 0.15s ease;
    opacity: 0.5;
}

/* ---- Background Orbs ---- */
.bg-orbs { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.07;
    animation: floatOrb 12s ease-in-out infinite;
}

.orb-1 { width: 600px; height: 600px; background: var(--red); top: -200px; right: -150px; animation-duration: 14s; }
.orb-2 { width: 400px; height: 400px; background: #1A56DB; bottom: 20%; left: -100px; animation-duration: 18s; animation-delay: -6s; }
.orb-3 { width: 300px; height: 300px; background: var(--accent-2); bottom: -100px; right: 20%; animation-duration: 10s; animation-delay: -3s; }

@keyframes floatOrb {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.1); }
}

/* ---- Navbar ---- */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    height: 72px;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(8, 12, 20, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--ease);
}

.navbar.scrolled {
    background: rgba(8, 12, 20, 0.95);
    border-bottom-color: var(--border-glow);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.5px;
    text-decoration: none;
}

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

.logo-icon {
    width: 36px; height: 36px;
    background: var(--grad);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: white;
    box-shadow: var(--shadow-red);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--ease);
}

.nav-link:hover {
    color: var(--white);
    background: var(--border);
}

.btn-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--grad);
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-red);
}

.btn-nav:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 15px 40px var(--red-glow);
}

.hamburger {
    display: none;
    background: var(--border);
    border: 1px solid var(--border);
    color: var(--text);
    width: 40px; height: 40px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    align-items: center;
    justify-content: center;
    transition: var(--ease);
}

.hamburger:hover { background: var(--red-soft); color: var(--red); }

/* Mobile Menu */
.mobile-menu {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 72px;
    left: 0; right: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    z-index: 999;
    padding: 20px;
    gap: 4px;
    transform: translateY(-20px);
    opacity: 0;
    transition: var(--ease);
}

.mobile-menu.open {
    display: flex;
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu a {
    text-decoration: none;
    color: var(--text);
    padding: 14px 20px;
    border-radius: 12px;
    font-weight: 500;
    transition: var(--ease);
}

.mobile-menu a:hover { background: var(--red-soft); color: var(--red); }

/* ---- Hero Section ---- */
.hero-section {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    padding: 120px 8% 80px;
    position: relative;
    z-index: 1;
}

.hero-content { display: flex; flex-direction: column; gap: 28px; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--red-soft);
    border: 1px solid var(--border-glow);
    border-radius: 50px;
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 500;
    color: #FF6B6B;
    width: fit-content;
    animation: fadeInUp 0.6s ease forwards;
}

.badge-dot {
    width: 8px; height: 8px;
    background: var(--red);
    border-radius: 50%;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 var(--red-glow); }
    50% { box-shadow: 0 0 0 6px transparent; }
}

.hero-title {
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -2px;
    animation: fadeInUp 0.7s ease 0.1s both;
}

.title-line { display: block; }
.accent-text { color: var(--red); }

.hero-sub {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 480px;
    animation: fadeInUp 0.7s ease 0.2s both;
    font-weight: 400;
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.7s ease 0.3s both;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--grad);
    color: white;
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 15px;
    transition: var(--transition);
    box-shadow: var(--shadow-red);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 50px var(--red-glow);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--text);
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 14px;
    font-weight: 600;
    font-size: 15px;
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
}

.btn-ghost:hover {
    background: var(--border);
    border-color: var(--red);
    color: var(--red);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    animation: fadeInUp 0.7s ease 0.4s both;
}

.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 22px; font-weight: 800; color: var(--white); }
.stat span { font-size: 12px; color: var(--text-muted); font-weight: 400; }
.stat-divider { width: 1px; height: 36px; background: var(--border); }

/* Hero Visual — 3D PDF Stack */
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInRight 0.8s ease 0.3s both;
}

.pdf-3d-stack {
    position: relative;
    width: 300px;
    height: 380px;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.pdf-card {
    position: absolute;
    width: 230px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.pdf-card i { font-size: 28px; color: var(--red); }
.pdf-card span { font-size: 12px; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }
.pdf-bar { height: 6px; background: var(--border); border-radius: 4px; }
.pdf-bar.short { width: 60%; }

.pdf-card-1 {
    top: 0; left: 40px;
    transform: rotate(-8deg) translateY(-10px) rotateX(10deg);
    animation: floatCard1 6s ease-in-out infinite;
    z-index: 1;
}

.pdf-card-2 {
    top: 40px; left: 0;
    transform: rotate(-2deg) rotateX(5deg);
    animation: floatCard2 6s ease-in-out infinite;
    z-index: 2;
    border-color: var(--border-glow);
}

.pdf-card-3 {
    top: 80px; left: 60px;
    transform: rotate(6deg) translateY(10px) rotateX(-5deg);
    animation: floatCard3 6s ease-in-out infinite;
    z-index: 3;
}

.merge-arrow {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 44px; height: 44px;
    background: var(--grad);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    z-index: 10;
    animation: bounceDown 2s ease infinite;
    box-shadow: var(--shadow-red);
}

@keyframes floatCard1 {
    0%,100% { transform: rotate(-8deg) translateY(-10px) rotateX(10deg); }
    50% { transform: rotate(-6deg) translateY(-20px) rotateX(12deg); }
}
@keyframes floatCard2 {
    0%,100% { transform: rotate(-2deg) rotateX(5deg); }
    50% { transform: rotate(-3deg) translateY(-12px) rotateX(7deg); }
}
@keyframes floatCard3 {
    0%,100% { transform: rotate(6deg) translateY(10px) rotateX(-5deg); }
    50% { transform: rotate(5deg) translateY(0px) rotateX(-3deg); }
}
@keyframes bounceDown {
    0%,100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-dim);
    animation: fadeInUp 1s ease 0.8s both;
}

.scroll-dot {
    width: 6px; height: 6px;
    background: var(--red);
    border-radius: 50%;
    animation: bounceDown 1.5s ease infinite;
}

/* ---- Sections General ---- */
.tool-section {
    padding: 120px 8%;
    position: relative;
    z-index: 1;
}

.alt-bg { background: var(--bg-2); }

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--red-soft);
    border: 1px solid var(--border-glow);
    color: var(--red);
    border-radius: 50px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 16px;
    max-width: 480px;
    margin: 0 auto;
}

/* ---- Tool Card ---- */
.tool-card {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ---- Drop Zone ---- */
.drop-zone {
    background: var(--bg-card);
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    overflow: hidden;
}

.drop-zone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--red-soft);
    opacity: 0;
    transition: var(--ease);
    pointer-events: none;
}

.drop-zone:hover {
    border-color: var(--red);
    transform: translateY(-6px) rotateX(2deg);
    box-shadow: 0 30px 80px rgba(0,0,0,0.4), 0 0 0 1px var(--border-glow);
}

.drop-zone:hover::before { opacity: 1; }
.drop-zone.dragging { border-color: var(--red); background: var(--red-soft); transform: scale(1.01); }

.drop-zone input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 5;
}

.drop-icon-wrap {
    position: relative;
    width: 80px; height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.drop-icon-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid var(--red);
    opacity: 0.3;
    animation: ringPulse 2.5s ease infinite;
}

@keyframes ringPulse {
    0%,100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0.1; }
}

.drop-icon-wrap i {
    font-size: 36px;
    color: var(--red);
    position: relative;
    z-index: 1;
}

.drop-title { font-size: 18px; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.drop-sub { font-size: 14px; color: var(--text-muted); }
.drop-sub strong { color: var(--red); }

.drop-formats {
    margin-top: 20px;
    display: flex;
    gap: 8px;
    justify-content: center;
}

.drop-formats span {
    background: var(--red-soft);
    color: var(--red);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    border: 1px solid var(--border-glow);
}

/* ---- File List (Merge) ---- */
.file-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    cursor: grab;
    transition: var(--ease);
    animation: fadeInUp 0.3s ease;
    user-select: none;
}

.file-item:hover {
    border-color: var(--border-glow);
    background: var(--bg-card-hover);
    transform: translateX(4px);
}

.file-item.dragging-item {
    opacity: 0.4;
    border: 2px dashed var(--red);
}

.file-item.drag-over {
    border-color: var(--red);
    background: var(--red-soft);
}

.file-item-num {
    width: 28px; height: 28px;
    background: var(--red-soft);
    color: var(--red);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.file-item-icon { color: var(--red); font-size: 18px; flex-shrink: 0; }
.file-item-name { flex: 1; font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item-size { font-size: 12px; color: var(--text-muted); white-space: nowrap; font-family: 'JetBrains Mono', monospace; }

.file-item-drag { color: var(--text-dim); cursor: grab; padding: 0 4px; }
.file-item-remove { background: none; border: none; color: var(--text-dim); cursor: pointer; padding: 4px 8px; border-radius: 6px; transition: var(--ease); }
.file-item-remove:hover { background: rgba(255,59,59,0.15); color: var(--red); }

/* Merge Action Area */
.merge-action-area { display: flex; flex-direction: column; gap: 12px; }

.file-count-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 18px;
    font-size: 14px;
    color: var(--text-muted);
}

.file-count-badge i { color: var(--red); }

/* ---- Action Button ---- */
.btn-action {
    width: 100%;
    padding: 18px 32px;
    background: var(--grad);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-red);
    font-family: 'Sora', sans-serif;
}

.btn-action:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-action:not(:disabled):hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 20px 60px var(--red-glow);
}

.btn-action:not(:disabled):active {
    transform: scale(0.98);
}

.btn-shine {
    position: absolute;
    top: -50%; left: -100%;
    width: 60%; height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transform: skewX(-20deg);
    transition: left 0.5s ease;
}

.btn-action:not(:disabled):hover .btn-shine { left: 150%; }

.btn-clear {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--ease);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: 'Sora', sans-serif;
}

.btn-clear:hover { border-color: var(--red); color: var(--red); background: var(--red-soft); }

/* ---- Compress File Info ---- */
.compress-file-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-sm);
    padding: 18px 22px;
    animation: fadeInUp 0.3s ease;
}

.compress-file-icon {
    width: 48px; height: 48px;
    background: var(--red-soft);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--red);
}

.compress-file-details { flex: 1; }
.compress-file-name { font-size: 15px; font-weight: 600; color: var(--white); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 350px; }
.compress-file-size { font-size: 13px; color: var(--text-muted); margin-top: 2px; font-family: 'JetBrains Mono', monospace; }

.icon-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    width: 36px; height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--ease);
}

.icon-btn:hover { border-color: var(--red); color: var(--red); background: var(--red-soft); }

/* ---- Compression Controls ---- */
.compression-controls {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 24px;
    animation: fadeInUp 0.3s ease;
}

.control-label { font-size: 13px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; display: block; }

.level-selector { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

.level-btn {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 12px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-family: 'Sora', sans-serif;
    color: var(--text-muted);
}

.level-btn i { font-size: 20px; transition: var(--ease); }
.level-btn strong { font-size: 14px; font-weight: 700; color: var(--text); }
.level-btn span { font-size: 11px; }

.level-btn:hover { border-color: var(--border-glow); transform: translateY(-3px); color: var(--text); }

.level-btn.active {
    border-color: var(--red);
    background: var(--red-soft);
    color: var(--red);
    box-shadow: 0 8px 30px var(--red-glow);
}

.level-btn.active strong { color: var(--red); }
.level-btn.active i { color: var(--red); }

.compression-info {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.comp-info-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 13px;
    color: var(--text-muted);
}

.comp-info-item i { color: var(--red); margin-top: 2px; flex-shrink: 0; }

/* ---- Progress Modal ---- */
.progress-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(8, 12, 20, 0.85);
    backdrop-filter: blur(12px);
    z-index: 9000;
    align-items: center;
    justify-content: center;
}

.progress-modal.active { display: flex; }

.progress-modal-inner {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 60px 80px;
    text-align: center;
    animation: modalIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalIn {
    from { transform: scale(0.7) translateY(30px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

.progress-spinner {
    position: relative;
    width: 100px; height: 100px;
    margin: 0 auto 28px;
}

.spinner-svg { transform: rotate(-90deg); width: 100%; height: 100%; }
.spinner-track { fill: none; stroke: var(--border); stroke-width: 8; }
.spinner-fill {
    fill: none;
    stroke: var(--red);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 251;
    stroke-dashoffset: 251;
    transition: stroke-dashoffset 0.3s ease;
    filter: drop-shadow(0 0 6px var(--red));
}

.progress-percent {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
}

.progress-title { font-size: 22px; font-weight: 700; margin-bottom: 10px; }
.progress-sub { font-size: 14px; color: var(--text-muted); }

/* ---- Features Section ---- */
.features-section {
    padding: 120px 8%;
    position: relative;
    z-index: 1;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-large { grid-column: span 2; grid-row: span 1; }
.feature-wide { grid-column: span 2; }

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    cursor: default;
}

.feature-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-8px) rotateX(3deg) rotateY(-2deg);
    box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}

.feature-card:hover .feature-glow { opacity: 1; }

.feature-glow {
    position: absolute;
    bottom: -80px; right: -80px;
    width: 200px; height: 200px;
    background: var(--red);
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.feature-icon-wrap {
    width: 54px; height: 54px;
    background: var(--red-soft);
    border: 1px solid var(--border-glow);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--red);
    margin-bottom: 24px;
}

.feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.feature-card p { font-size: 15px; color: var(--text-muted); line-height: 1.7; }

/* ---- Footer ---- */
.main-footer {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    padding: 80px 8% 40px;
    position: relative;
    z-index: 1;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-left { max-width: 450px; }

.footer-logo {
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -1px;
}
.footer-logo span { color: var(--red); }

.company-bio {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 30px;
}
.company-bio strong { color: var(--text); }

.social-links { display: flex; gap: 15px; }
.social-links a {
    width: 44px; height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 18px;
    text-decoration: none;
    transition: var(--transition);
}
.social-links a:hover { 
    border-color: var(--red); 
    color: var(--white); 
    transform: translateY(-5px); 
    background: var(--red);
    box-shadow: 0 10px 20px var(--red-glow);
}

.footer-right-grid {
    display: flex;
    gap: 80px;
}

.footer-links { display: flex; flex-direction: column; gap: 15px; }
.footer-links h4 { 
    font-size: 15px; 
    font-weight: 700; 
    text-transform: uppercase; 
    letter-spacing: 1.5px; 
    color: var(--white); 
    margin-bottom: 10px; 
}

.footer-links a { 
    text-decoration: none; 
    color: var(--text-muted); 
    font-size: 14px; 
    transition: var(--ease);
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-links a i { font-size: 10px; opacity: 0; transition: var(--ease); }
.footer-links a:hover { color: var(--red); transform: translateX(5px); }
.footer-links a:hover i { opacity: 1; }

/* Branding Section */
.footer-branding {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid var(--border);
    margin-top: 20px;
}

.branding-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-dim);
    margin-bottom: 15px;
}

.nts-footer-logo {
    height: 50px; /* Adjust based on your preference */
    filter: brightness(0.9);
    transition: var(--transition);
}

.nts-footer-logo:hover {
    filter: brightness(1.1);
    transform: scale(1.05);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-dim);
}

.footer-bottom a { color: var(--red); text-decoration: none; font-weight: 600; }

/* Responsive Footer */
@media (max-width: 992px) {
    .footer-inner { flex-direction: column; text-align: center; align-items: center; }
    .footer-left { max-width: 100%; }
    .social-links { justify-content: center; }
    .footer-right-grid { gap: 40px; margin-top: 20px; }
}
/* ---- Toast ---- */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 500;
    z-index: 9999;
    box-shadow: var(--shadow-card);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.success #toast-icon { color: #22C55E; }
.toast.error #toast-icon { color: var(--red); }

/* ---- Animations ---- */
@keyframes fadeInUp {
    from { transform: translateY(24px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes fadeInRight {
    from { transform: translateX(40px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .hero-section { grid-template-columns: 1fr; text-align: center; padding-top: 100px; }
    .hero-visual { display: none; }
    .hero-sub, .hero-btns, .hero-stats { justify-content: center; align-items: center; }
    .hero-badge { margin: 0 auto; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-large, .feature-wide { grid-column: span 2; }
}

@media (max-width: 768px) {
    .nav-links, .btn-nav { display: none; }
    .hamburger { display: flex; }
    .hero-section { padding: 100px 5% 60px; gap: 40px; }
    .tool-section { padding: 80px 5%; }
    .features-section { padding: 80px 5%; }
    .features-grid { grid-template-columns: 1fr; }
    .feature-large, .feature-wide { grid-column: span 1; }
    .footer-inner { flex-direction: column; }
    .footer-right { flex-wrap: wrap; gap: 40px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    .hero-btns { flex-direction: column; align-items: center; }
    .level-selector { grid-template-columns: 1fr; }
    .cursor, .cursor-follower { display: none; }
    .scroll-indicator { display: none; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.2rem; }
    .progress-modal-inner { padding: 40px 30px; }
}