:root {
    --bg-deep: #050816;
    --bg-mid: #0a0c1e;
    --bg-card: rgba(15, 18, 40, 0.72);
    --bg-card-hover: rgba(20, 24, 52, 0.85);
    --border-card: rgba(124, 92, 255, 0.12);
    --border-card-hover: rgba(124, 92, 255, 0.28);
    --accent: #7C5CFF;
    --accent-glow: rgba(124, 92, 255, 0.35);
    --accent-light: #A78BFA;
    --accent-secondary: #4F46E5;
    --text-heading: #EDE9FE;
    --text-body: #94A3B8;
    --text-muted: #64748B;
    --text-white: #F8FAFC;
    --success: #10B981;
    --warning: #F59E0B;
    --radius: 20px;
    --radius-sm: 14px;
    --radius-lg: 28px;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--border-card);
    --shadow-card-hover: 0 24px 64px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-card-hover), 0 0 40px rgba(124, 92, 255, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    max-width: 100%;
    min-width: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-deep);
    color: var(--text-body);
    min-height: 100vh;
    max-width: 100%;
    min-width: 0;
    overflow-x: hidden;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

html, body, img, picture, video, canvas, svg, iframe {
    max-width: 100%;
}

* {
    min-width: 0;
}

/* ===== AMBIENT BACKGROUND ===== */
.ambient-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.ambient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.12;
    animation: orbFloat 25s infinite ease-in-out;
}

.ambient-orb:nth-child(1) {
    width: 700px;
    height: 700px;
    background: var(--accent);
    top: -15%;
    right: -15%;
    animation-delay: 0s;
}

.ambient-orb:nth-child(2) {
    width: 500px;
    height: 500px;
    background: var(--accent-secondary);
    bottom: 10%;
    left: -10%;
    animation-delay: -8s;
}

.ambient-orb:nth-child(3) {
    width: 350px;
    height: 350px;
    background: var(--accent);
    top: 45%;
    right: 25%;
    animation-delay: -15s;
    opacity: 0.08;
}

.ambient-orb:nth-child(4) {
    width: 250px;
    height: 250px;
    background: #6366F1;
    bottom: 30%;
    right: 10%;
    animation-delay: -5s;
    opacity: 0.06;
}

@keyframes orbFloat {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(40px, -30px) scale(1.08);
    }

    66% {
        transform: translate(-25px, 25px) scale(0.95);
    }
}

/* ===== GRID OVERLAY ===== */
.grid-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.03;
    background-image:
        linear-gradient(rgba(124, 92, 255, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 92, 255, 0.3) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ===== NAVIGATION ===== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: var(--transition);
}

nav.scrolled {
    background: rgba(5, 8, 22, 0.88);
    backdrop-filter: blur(24px) saturate(1.4);
    border-bottom: 1px solid var(--border-card);
    padding: 14px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 16px;
    font-family: 'Space Grotesk', sans-serif;
    box-shadow: 0 0 24px rgba(124, 92, 255, 0.35), 0 4px 12px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.logo-icon::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.15) 50%, transparent 60%);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.logo-text {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 22px;
    color: var(--text-heading);
    letter-spacing: -0.5px;
}

.logo-sub {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 1.5px;
    margin-top: -2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {

/* Highlight Blog nav link */
.nav-links a[href="blog/"], .nav-links a[href="/blog/"] {
    color: var(--text-heading);
    background: linear-gradient(135deg, rgba(124,92,255,0.08), transparent);
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid rgba(124,92,255,0.06);
}
    color: var(--text-body);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover {
    color: var(--text-heading);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transition: var(--transition);
    border-radius: 2px;
    transform: translateX(-50%);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    color: white;
    padding: 11px 26px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 24px rgba(124, 92, 255, 0.3);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(124, 92, 255, 0.45);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-heading);
    cursor: pointer;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 140px 32px 100px;
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(124, 92, 255, 0.08);
    border: 1px solid var(--border-card);
    padding: 10px 24px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-light);
    margin-bottom: 36px;
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}

.hero-badge::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(124, 92, 255, 0.1), transparent);
    animation: badgeShine 4s infinite;
}

@keyframes badgeShine {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.hero-badge .pulse {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2.5s infinite;
    position: relative;
    z-index: 1;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
        box-shadow: 0 0 8px var(--accent);
    }

    50% {
        opacity: 0.4;
        transform: scale(1.3);
        box-shadow: 0 0 16px var(--accent);
    }
}

.hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(44px, 6.5vw, 80px);
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1.08;
    letter-spacing: -3px;
    margin-bottom: 28px;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 50%, #818CF8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero p {
    font-size: clamp(17px, 2.2vw, 21px);
    color: var(--text-body);
    max-width: 600px;
    margin: 0 auto 44px;
    line-height: 1.75;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 18px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    color: white;
    padding: 16px 36px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 28px rgba(124, 92, 255, 0.35);
    border: 1.5px solid rgba(124, 92, 255, 0.4);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.15) 50%, rgba(255,255,255,0) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.12) 50%, transparent 60%);
    animation: shimmer 3s infinite;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 48px rgba(124, 92, 255, 0.5), inset 0 1px 0 rgba(255,255,255,0.2);
    border-color: rgba(124, 92, 255, 0.6);
}

.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(124, 92, 255, 0.4);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.btn-secondary {
    background: rgba(124, 92, 255, 0.05);
    color: var(--text-heading);
    padding: 16px 36px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: var(--transition);
    border: 1.5px solid var(--border-card-hover);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}

.btn-secondary:hover {
    background: rgba(124, 92, 255, 0.12);
    border-color: rgba(124, 92, 255, 0.5);
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(124, 92, 255, 0.15);
}

.btn-secondary:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(124, 92, 255, 0.1);
}

.btn-secondary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Floating Hero Elements */
.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1;
}

.float-particle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    opacity: 0.15;
    animation: particleFloat 12s infinite ease-in-out;
    box-shadow: 0 0 12px rgba(124, 92, 255, 0.3);
}

@keyframes particleFloat {

    0%,
    100% {
        transform: translateY(0) scale(1);
        opacity: 0.1;
    }

    25% {
        transform: translateY(-20px) scale(1.2);
        opacity: 0.25;
    }

    50% {
        transform: translateY(-10px) scale(0.9);
        opacity: 0.15;
    }

    75% {
        transform: translateY(-30px) scale(1.1);
        opacity: 0.2;
    }
}

.float-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.08;
    animation: lineFloat 15s infinite ease-in-out;
}

@keyframes lineFloat {

    0%,
    100% {
        transform: translateX(0);
        opacity: 0.05;
    }

    50% {
        transform: translateX(20px);
        opacity: 0.12;
    }
}

/* ===== SECTIONS BASE ===== */
section {
    position: relative;
    z-index: 2;
    padding: 120px 32px;
}

.section-container {
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 72px;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--accent);
    margin-bottom: 18px;
}

.section-label::before,
.section-label::after {
    content: '';
    width: 24px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent));
}

.section-label::after {
    background: linear-gradient(90deg, var(--accent), transparent);
}

.section-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(30px, 4.5vw, 46px);
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 18px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-body);
    line-height: 1.75;
}

/* ===== LIVE STATS BAR ===== */
.stats-bar {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    padding: 32px 48px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: -40px auto 0;
    position: relative;
    z-index: 3;
    box-shadow: var(--shadow-card);
}

.stat-item {
    text-align: center;
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -16px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: var(--border-card);
}

.stat-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 36px;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1;
    background: linear-gradient(135deg, var(--text-heading), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.stat-value.counting {
    transform: scale(1.05);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
    font-weight: 500;
}

/* ===== TOOLS SECTION ===== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.tool-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    opacity: 0;
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-card-hover);
    box-shadow: var(--shadow-card-hover);
    background: var(--bg-card-hover);
}

.tool-card:hover::before {
    opacity: 1;
}

/* Stream-specific top borders */
.tool-science::before {
    background: linear-gradient(90deg, transparent, #60A5FA, transparent);
}

.tool-management::before {
    background: linear-gradient(90deg, transparent, #34D399, transparent);
}

.tool-see::before {
    background: linear-gradient(90deg, transparent, #FBBF24, transparent);
}

.tool-extra::before {
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.tool-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.tool-icon {
    width: 48px;
    height: 48px;
    background: rgba(124, 92, 255, 0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    transition: var(--transition);
    border: 1px solid rgba(124, 92, 255, 0.1);
    flex-shrink: 0;
}

.tool-science .tool-icon {
    background: rgba(59, 130, 246, 0.12);
    color: #60A5FA;
    border-color: rgba(59, 130, 246, 0.2);
}

.tool-management .tool-icon {
    background: rgba(16, 185, 129, 0.12);
    color: #34D399;
    border-color: rgba(16, 185, 129, 0.2);
}

.tool-see .tool-icon {
    background: rgba(245, 158, 11, 0.12);
    color: #FBBF24;
    border-color: rgba(245, 158, 11, 0.2);
}

.tool-extra .tool-icon {
    background: rgba(124, 92, 255, 0.08);
    color: var(--accent);
    border-color: rgba(124, 92, 255, 0.1);
}

.tool-card:hover .tool-icon {
    transform: scale(1.08);
    box-shadow: 0 0 20px rgba(124, 92, 255, 0.15);
}

.tool-science:hover .tool-icon {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

.tool-management:hover .tool-icon {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.2);
}

.tool-see:hover .tool-icon {
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
}

.tool-badge {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-light);
    background: rgba(124, 92, 255, 0.1);
    padding: 4px 10px;
    border-radius: 100px;
    border: 1px solid rgba(124, 92, 255, 0.2);
}

.tool-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 19px;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 10px;
}

.tool-card p {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.65;
    margin-bottom: 20px;
    flex-grow: 1;
}

.tool-levels {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.level-tag {
    font-size: 11px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 100px;
    border: 1px solid;
}

.tool-science .level-tag {
    color: #60A5FA;
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.15);
}

.tool-management .level-tag {
    color: #34D399;
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.15);
}

.tool-see .level-tag {
    color: #FBBF24;
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.15);
}

.tool-extra .level-tag {
    color: var(--accent-light);
    background: rgba(124, 92, 255, 0.08);
    border-color: rgba(124, 92, 255, 0.12);
}

.tool-subjects {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.subject-chip {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-muted);
    background: rgba(124, 92, 255, 0.04);
    padding: 3px 10px;
    border-radius: 6px;
    border: 1px solid rgba(124, 92, 255, 0.08);
}

.tool-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    margin-top: auto;
    padding: 12px 24px;
    border-radius: 100px;
    border: 1.5px solid;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
    width: 100%;
}

.tool-action::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.35s ease;
    border-radius: inherit;
}

.tool-action:hover::before {
    opacity: 1;
}

.tool-action svg {
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.tool-action:hover svg {
    transform: translateX(4px);
}

.tool-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    margin-top: auto;
    border: none;
    background: none;
    padding: 0;
    cursor: pointer;
}

/* Science button */
.tool-science .tool-action {
    color: white;
    background: linear-gradient(135deg, #3B82F6, #2563EB);
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.25);
}

.tool-science .tool-action::before {
    background: linear-gradient(135deg, #2563EB, #1D4ED8);
}

.tool-science .tool-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.4);
    border-color: rgba(59, 130, 246, 0.7);
}

/* Management button */
.tool-management .tool-action {
    color: white;
    background: linear-gradient(135deg, #10B981, #059669);
    border-color: rgba(16, 185, 129, 0.5);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.25);
}

.tool-management .tool-action::before {
    background: linear-gradient(135deg, #059669, #047857);
}

.tool-management .tool-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.4);
    border-color: rgba(16, 185, 129, 0.7);
}

/* SEE button */
.tool-see .tool-action {
    color: #1a1a2e;
    background: linear-gradient(135deg, #FBBF24, #F59E0B);
    border-color: rgba(245, 158, 11, 0.5);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.25);
}

.tool-see .tool-action::before {
    background: linear-gradient(135deg, #F59E0B, #D97706);
}

.tool-see .tool-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(245, 158, 11, 0.4);
    border-color: rgba(245, 158, 11, 0.7);
}

.tool-see .tool-action svg {
    stroke: #1a1a2e;
}

/* Extra/generic button */
.tool-extra .tool-action {
    color: white;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    border-color: rgba(124, 92, 255, 0.5);
    box-shadow: 0 4px 20px rgba(124, 92, 255, 0.25);
}

.tool-extra .tool-action::before {
    background: linear-gradient(135deg, var(--accent-secondary), #3730A3);
}

.tool-extra .tool-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(124, 92, 255, 0.4);
    border-color: rgba(124, 92, 255, 0.7);
}

.tool-action:active {
    transform: translateY(0) !important;
}

.tool-action:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.tool-coming-soon {
    opacity: 0.85;
    position: relative;
}

.coming-soon-badge {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: #F59E0B;
    background: rgba(245, 158, 11, 0.12);
    padding: 6px 12px;
    border-radius: 100px;
    border: 1px solid rgba(245, 158, 11, 0.3);
    animation: comingSoonPulse 2s ease-in-out infinite;
}

@keyframes comingSoonPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.85;
        transform: scale(1.02);
    }
}

.tool-coming-soon-btn {
    color: var(--text-muted);
    font-size: 14px;
    cursor: not-allowed;
    opacity: 0.7;
}

.tool-coming-soon-btn:disabled {
    opacity: 0.7;
}

.tool-coming-soon-btn:disabled span::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 6px;
    vertical-align: text-bottom;
    background: currentColor;
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='11' width='18' height='11' rx='2' ry='2'/%3E%3Cpath d='M7 11V7a5 5 0 0 1 10 0v4'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='11' width='18' height='11' rx='2' ry='2'/%3E%3Cpath d='M7 11V7a5 5 0 0 1 10 0v4'/%3E%3C/svg%3E");
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
}

/* ===== HOW IT WORKS ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 16%;
    right: 16%;
    height: 2px;
    background: linear-gradient(90deg, var(--border-card), var(--accent), var(--border-card));
    z-index: 0;
}

/* Step cards removed — styles cleaned up */

/* ===== GRADING TABLE ===== */
.grading-table-wrap {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.grading-table {
    width: 100%;
    border-collapse: collapse;
}

.grading-table th {
    background: rgba(124, 92, 255, 0.08);
    padding: 18px 24px;
    text-align: left;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-light);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-bottom: 1px solid var(--border-card);
}

.grading-table td {
    padding: 16px 24px;
    font-size: 15px;
    color: var(--text-body);
    border-bottom: 1px solid rgba(124, 92, 255, 0.06);
}

.grading-table tr:last-child td {
    border-bottom: none;
}

.grading-table tr:hover td {
    background: rgba(124, 92, 255, 0.04);
}

.grade-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 13px;
}

.grade-a-plus {
    background: rgba(16, 185, 129, 0.12);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.grade-a {
    background: rgba(59, 130, 246, 0.12);
    color: #60A5FA;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.grade-b-plus {
    background: rgba(139, 92, 246, 0.12);
    color: #A78BFA;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.grade-b {
    background: rgba(245, 158, 11, 0.12);
    color: #FBBF24;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.grade-c-plus {
    background: rgba(249, 115, 22, 0.12);
    color: #FB923C;
    border: 1px solid rgba(249, 115, 22, 0.2);
}

.grade-c {
    background: rgba(239, 68, 68, 0.12);
    color: #FCA5A5;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.grade-d {
    background: rgba(100, 116, 139, 0.12);
    color: #94A3B8;
    border: 1px solid rgba(100, 116, 139, 0.2);
}

.grade-ng {
    background: rgba(220, 38, 38, 0.12);
    color: #F87171;
    border: 1px solid rgba(220, 38, 38, 0.2);
}

/* ===== WHY CHOOSE ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    padding: 44px 32px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-card-hover);
    box-shadow: var(--shadow-card-hover);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(124, 92, 255, 0.06);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin: 0 auto 24px;
    transition: var(--transition);
    border: 1px solid rgba(124, 92, 255, 0.1);
}

.feature-card:hover .feature-icon {
    background: rgba(124, 92, 255, 0.12);
    transform: scale(1.06);
    box-shadow: 0 0 24px rgba(124, 92, 255, 0.1);
}

.feature-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14.5px;
    color: var(--text-body);
    line-height: 1.65;
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    padding: 36px;
    transition: var(--transition);
    position: relative;
    box-shadow: var(--shadow-card);
}

.testimonial-card:hover {
    border-color: var(--border-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.testimonial-card::before {
    content: '"';
    font-family: 'Space Grotesk', sans-serif;
    font-size: 80px;
    color: var(--accent);
    opacity: 0.12;
    line-height: 1;
    position: absolute;
    top: 16px;
    left: 28px;
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.testimonial-stars svg {
    color: var(--warning);
    width: 16px;
    height: 16px;
}

.testimonial-text {
    font-size: 15.5px;
    color: var(--text-body);
    line-height: 1.75;
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 15px;
    font-family: 'Space Grotesk', sans-serif;
    box-shadow: 0 0 16px rgba(124, 92, 255, 0.2);
}

.author-info h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-heading);
}

.author-info span {
    font-size: 13px;
    color: var(--text-muted);
}

.author-info .stream-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-light);
    background: rgba(124, 92, 255, 0.08);
    padding: 2px 10px;
    border-radius: 100px;
    margin-top: 4px;
    border: 1px solid rgba(124, 92, 255, 0.12);
}

/* ===== FAQ ===== */
.faq-container {
    max-width: 780px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.faq-item:hover {
    border-color: rgba(124, 92, 255, 0.18);
}

.faq-item.active {
    border-color: var(--border-card-hover);
}

.faq-question {
    width: 100%;
    padding: 26px 32px;
    background: none;
    border: none;
    color: var(--text-heading);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 17px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

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

.faq-icon {
    transition: var(--transition);
    color: var(--accent);
    flex-shrink: 0;
    width: 24px;
    height: 24px;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), padding 0.5s ease;
}

.faq-item.active .faq-answer {
    max-height: 400px;
}

.faq-answer p {
    padding: 0 32px 26px;
    font-size: 15.5px;
    color: var(--text-body);
    line-height: 1.75;
}

.faq-answer p strong {
    color: var(--text-heading);
}

/* ===== CONTACT ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 56px;
    align-items: start;
}

.contact-info h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 32px;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 18px;
    letter-spacing: -1px;
}

.contact-info>p {
    font-size: 17px;
    color: var(--text-body);
    line-height: 1.75;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--border-card-hover);
    transform: translateX(4px);
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    background: rgba(124, 92, 255, 0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
    border: 1px solid rgba(124, 92, 255, 0.1);
}

.contact-item h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
    font-size: 14.5px;
    color: var(--text-body);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--accent-light);
}

.contact-form {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    padding: 44px;
    box-shadow: var(--shadow-card);
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 20px;
    background: rgba(124, 92, 255, 0.04);
    border: 1.5px solid var(--border-card);
    border-radius: var(--radius-sm);
    color: var(--text-heading);
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    transition: var(--transition);
    outline: none;
}

.form-group input:hover:not(:focus),
.form-group textarea:hover:not(:focus),
.form-group select:hover:not(:focus) {
    border-color: rgba(124, 92, 255, 0.2);
    background: rgba(124, 92, 255, 0.06);
}

#stream{
    color: rgb(0, 0, 0);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
    background: rgba(124, 92, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    min-height: 130px;
    resize: vertical;
    font-family: 'Inter', sans-serif;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23A78BFA' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    color: white;
    padding: 16px 28px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 15px;
    border: 1.5px solid rgba(124, 92, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 24px rgba(124, 92, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}

.form-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(124, 92, 255, 0.4);
    border-color: rgba(124, 92, 255, 0.6);
}

.form-submit:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 4px 16px rgba(124, 92, 255, 0.3);
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-submit:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.form-message {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    animation: slideDown 0.3s ease-out;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #6EE7B7;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #FCA5A5;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== CTA BANNER ===== */
.cta-banner {
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.1), rgba(79, 70, 229, 0.08));
    border: 1px solid var(--border-card-hover);
    border-radius: var(--radius-lg);
    padding: 80px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 60px rgba(124, 92, 255, 0.08), var(--shadow-card);
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(124, 92, 255, 0.06) 0%, transparent 70%);
    animation: ctaGlow 8s infinite ease-in-out;
}

@keyframes ctaGlow {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.cta-banner h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
    letter-spacing: -1px;
}

.cta-banner p {
    font-size: 18px;
    color: var(--text-body);
    max-width: 520px;
    margin: 0 auto 36px;
    position: relative;
    z-index: 1;
    line-height: 1.7;
}

.cta-banner .btn-primary {
    position: relative;
    z-index: 1;
}

/* ===== FOOTER ===== */
footer {
    position: relative;
    z-index: 2;
    border-top: 1px solid var(--border-card);
    padding: 80px 32px 40px;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 56px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.75;
    max-width: 320px;
}

.footer-links h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 22px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 14px;
}

.footer-links a {
    font-size: 14.5px;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-card);
    padding-top: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    font-size: 13.5px;
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    gap: 14px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(124, 92, 255, 0.06);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
    text-decoration: none;
    border: 1px solid rgba(124, 92, 255, 0.08);
}

.footer-social a:hover {
    background: rgba(124, 92, 255, 0.15);
    color: var(--accent-light);
    transform: translateY(-3px);
    border-color: rgba(124, 92, 255, 0.2);
    box-shadow: 0 4px 16px rgba(124, 92, 255, 0.15);
}

/* ===== DIVIDER ===== */
.section-divider {
    max-width: 1280px;
    margin: 0 auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-card), transparent);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-up-delay-1 {
    transition-delay: 0.1s;
}

.fade-up-delay-2 {
    transition-delay: 0.2s;
}

.fade-up-delay-3 {
    transition-delay: 0.3s;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

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

    .steps-grid::before {
        display: none;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }

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

    .stat-item:nth-child(2)::after {
        display: none;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-container {
        padding: 0 16px;
    }

    .mobile-menu-btn {
        display: block;
        min-width: 44px;
        min-height: 44px;
    }

    .hero {
        padding: 110px 16px 64px;
    }

    .hero h1 {
        letter-spacing: -1.5px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .float-particle,
    .float-line {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .feature-card {
        padding: 32px 24px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .tools-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .tool-card {
        padding: 24px 20px;
    }

    .tool-card h3 {
        font-size: 18px;
    }

    .tool-card p {
        font-size: 14px;
    }

    .tool-subjects {
        display: none;
    }

    .tool-action {
        padding: 14px 20px;
        font-size: 14px;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 24px 20px;
    }

    .stat-value {
        font-size: 28px;
    }

    .stat-item::after {
        display: none !important;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
    }

    footer {
        padding: 48px 16px 32px;
    }

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

    section {
        padding: 64px 16px;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .section-header h2 {
        letter-spacing: -0.5px;
    }

    .cta-banner {
        padding: 48px 20px;
        border-radius: var(--radius);
    }

    .cta-banner h2 {
        letter-spacing: -0.5px;
    }

    /* Grading table scroll fix */
    .grading-table-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .grading-table th,
    .grading-table td {
        padding: 12px 16px;
        font-size: 13px;
        white-space: nowrap;
    }

    /* FAQ mobile */
    .faq-question {
        padding: 20px 16px;
        font-size: 15px;
    }

    .faq-answer p {
        padding: 0 16px 20px;
        font-size: 14px;
    }

    /* Contact form mobile */
    .contact-form {
        padding: 28px 20px;
    }
}

@media (max-width: 480px) {
    .footer-top {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 20px 16px;
    }

    .stat-value {
        font-size: 24px;
    }

    .stat-label {
        font-size: 11px;
    }

    .hero-badge {
        font-size: 11px;
        padding: 8px 16px;
    }

    .step-card {
        padding: 28px 20px;
    }

    .tool-action {
        padding: 12px 16px;
        font-size: 13px;
    }
}

/* Mobile Menu */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(5, 8, 22, 0.95);
    backdrop-filter: blur(20px);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
}

.mobile-nav-overlay.active {
    display: flex;
}

.mobile-nav-overlay a {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-heading);
    text-decoration: none;
    transition: var(--transition);
}

    .mobile-nav-overlay a[href="blog/"], .mobile-nav-overlay a[href="/blog/"] {
        color: var(--text-heading);
        background: rgba(124,92,255,0.06);
        padding: 8px 12px;
        border-radius: 8px;
    }

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

.mobile-nav-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    color: var(--text-heading);
    cursor: pointer;
}

/* ===== Fast hover mode for small screens ===== */
.fast-hover * {
    transition-duration: 0.08s !important;
    transition-delay: 0s !important;
    transition-timing-function: linear !important;
}
.fast-hover *:hover {
    transform: none !important;
    box-shadow: none !important;
}

/* Completely disable animations on mobile when fast-hover is active */
.fast-hover *,
.fast-hover *::before,
.fast-hover *::after {
    animation: none !important;
    transition: none !important;
}

/* ===== Scroll progress bar ===== */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
    z-index: 1200;
    transition: width 0.1s linear;
}

/* On very small screens, hide heavy hover interactions and show fast effects */
@media (max-width: 768px) {
    .nav-links a:hover::after, .nav-links a:hover { transform: none; }
}

/* Explicitly remove heavy hover/transform effects on mobile for key components */
@media (max-width: 768px) {
    .tool-card:hover,
    .step-card:hover,
    .blog-card:hover,
    .tool-action:hover,
    .tool-science .tool-action:hover,
    .tool-management .tool-action:hover,
    .tool-see .tool-action:hover,
    .btn-primary:hover,
    .btn-secondary:hover,
    .nav-cta:hover,
    .hero-badge::before,
    .logo-icon::after {
        transform: none !important;
        box-shadow: none !important;
        background: none !important;
    }
}

/* Make animations and transitions effectively instant on small screens */
@media (max-width: 600px) {
    html, body, * {
        -webkit-animation-duration: 0.01s !important;
        animation-duration: 0.01s !important;
        -webkit-transition-duration: 0.05s !important;
        transition-duration: 0.05s !important;
        transition-delay: 0s !important;
        -webkit-transition-delay: 0s !important;
    }

    /* Remove hover transforms and heavy shadows on mobile */
    a:hover, button:hover, .tool-card:hover, .feature-card:hover, .blog-card:hover, .step-card:hover, .chip:hover {
        transform: none !important;
        box-shadow: none !important;
    }

    /* Ensure fast-hover class enforces minimal delays */
    .fast-hover * {
        transition-duration: 0.05s !important;
        transition-delay: 0s !important;
        animation: none !important;
    }

    /* Remove reveal animation delays for fade-up elements on mobile */
    .fade-up,
    .fade-up-delay-1,
    .fade-up-delay-2,
    .fade-up-delay-3 {
        animation: none !important;
        -webkit-animation: none !important;
        transition-delay: 0s !important;
        -webkit-transition-delay: 0s !important;
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Explicitly disable remaining decorative animations that may blink on mobile */
@media (max-width: 600px) {
    .logo-icon::after,
    .ambient-orb,
    .hero-badge::before,
    .hero-badge .pulse,
    .coming-soon-badge,
    .step-ring,
    .particle,
    .badgeShine,
    .ctaGlow,
    .slideDown {
        animation: none !important;
        -webkit-animation: none !important;
        transition: none !important;
    }

    /* ensure opacity stays stable */
    .hero-badge .pulse,
    .coming-soon-badge {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Blog CTA styling */
.blog-cta {
    margin-top: 14px;
    display: flex;
    justify-content: center;
}
.blog-cta-inner {
    background: linear-gradient(90deg, rgba(124,92,255,0.06), rgba(79,70,229,0.04));
    border: 1px solid rgba(124,92,255,0.08);
    padding: 12px 16px;
    border-radius: 12px;
    max-width: 820px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.blog-cta .btn-primary {
    padding: 10px 18px;
    font-size: 14px;
}

@media (max-width: 600px) {
    .blog-cta-inner { flex-direction: column; align-items: stretch; text-align: left; }
    .blog-cta .btn-primary { width: 100%; margin-top: 10px; }
}

/* Mobile touch optimizations: remove blue/tap hover and suppress hover styles on touch devices */
@media (max-width: 768px) {
    a, button, .btn-primary, .btn-secondary, .tool-card, .feature-card, .blog-card, .step-card, .chip {
        -webkit-tap-highlight-color: transparent;
        tap-highlight-color: transparent;
        -webkit-touch-callout: none;
    }

    /* Disable hover/focus visual effects on touch devices while preserving keyboard focus styles */
    a:hover, button:hover, .btn-primary:hover, .btn-secondary:hover, .tool-card:hover, .feature-card:hover, .blog-card:hover, .step-card:hover, .chip:hover {
        transform: none !important;
        box-shadow: none !important;
        background: inherit !important;
    }

    /* Remove default mobile blue outline on Android/iOS when tapping */
    a:focus, button:focus, input:focus, textarea:focus {
        outline: none !important;
        box-shadow: none !important;
    }

    /* Keep focus-visible for keyboard users (accessibility) */
    :focus-visible {
        outline: 2px solid var(--accent) !important;
        outline-offset: 2px !important;
    }
}

/* Tools search input */
.tools-search {
    font: inherit;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid var(--border-card);
    background: rgba(255,255,255,0.02);
    color: var(--text-heading);
    min-width: 180px;
    max-width: 360px;
}
.tools-search::placeholder { color: var(--text-muted); }
@media (max-width: 520px) {
    .tools-search { width: 100%; max-width: none; }
}

#tools-no-results {
    font-size: 14px;
}

/* Mobile UX improvements */
html, button, input, select, textarea {
    -webkit-tap-highlight-color: transparent;
}

/* Make interactive elements slightly larger on small screens */
@media (max-width: 760px) {
    .tool-card { padding: 20px; border-radius: 12px; }
    .tool-card h3 { font-size: 1.05rem; }
    .tool-action, .tool-action-btn, .btn-primary, .btn-secondary { padding: 10px 14px; font-size: 15px; }
    .tool-subjects .subject-chip { padding: 6px 8px; font-size: 13px; }
    .calculator-shell { padding: 28px 12px 80px; }
}

/* Improve readability and spacing on very small screens */
@media (max-width: 420px) {
    .section-header h2 { font-size: 1.25rem; }
    .blog-post, .blog-hub { padding: 24px 14px; }
    .calculator-card { padding: 14px; }
    .calculator-actions { gap: 8px; }
}

/* Ensure inputs and selects use full width on small screens */
input, select, textarea { box-sizing: border-box; }
@media (max-width: 760px) {
    .subject-dropdown, .subject-search, .tools-search, .calculator-card input[type="number"], .calculator-card input[type="text"] {
        width: 100%;
        max-width: 100%;
    }
}

/* Improve focus visibility while avoiding large outlines */
:focus { outline: 3px solid rgba(124,92,255,0.12); outline-offset: 2px; }

/* Slightly tighten card shadows on mobile for a modern look */
.tool-card { box-shadow: 0 6px 18px rgba(5,8,22,0.06); transition: transform 0.18s ease, box-shadow 0.18s ease; }
.tool-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(5,8,22,0.08); }

/* Make CTA buttons consistent */
.btn-primary, .tool-action { background: linear-gradient(90deg,var(--accent-light),var(--accent)); color: white; border: none; border-radius: 10px; }
.btn-secondary { background: transparent; border: 1px solid rgba(255,255,255,0.06); border-radius: 10px; }

/* Improve navbar tap area */
.mobile-menu-btn, .nav a { touch-action: manipulation; }

/* Floating feedback button */
.feedback-btn {
    position: fixed;
    right: 18px;
    bottom: 24px;
    background: linear-gradient(90deg,var(--accent-light),var(--accent));
    color: #fff;
    border-radius: 999px;
    padding: 12px 14px;
    box-shadow: 0 8px 30px rgba(5,8,22,0.12);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 9999;
    cursor: pointer;
    transform: translateY(8px);
    opacity: 0;
    transition: opacity 220ms ease, transform 220ms ease;
}
.feedback-btn.show { opacity: 1; transform: translateY(0); }
.feedback-btn .dot { width:10px; height:10px; background: rgba(255,255,255,0.95); border-radius:50%; }
.feedback-btn span { font-weight:600; font-size:14px; }