:root,
[data-theme="light"] {
    --pf-bg: #fcfcfd;
    --pf-bg-alt: #f1f5f9;
    --pf-surface: #ffffff;
    --pf-surface-alt: #f8fafc;
    --pf-text: #0f172a;
    --pf-text-muted: #475569;
    --pf-heading: #0f172a;
    --pf-border: #e2e8f0;
    --pf-primary: #3b82f6;
    --pf-primary-hover: #2563eb;
    --pf-accent: #10b981;
    --pf-accent-hover: #059669;
    --pf-warning: #f59e0b;
    --pf-danger: #ef4444;
    --pf-card-shadow: none;
    --pf-card-hover-shadow: none;
    --pf-navbar-bg: rgba(255, 255, 255, .8);
    --pf-hero-glow: rgba(59, 130, 246, .05);
    --pf-radius: 12px;
    --pf-transition: .25s ease;
}


/* ── Dark Mode Tokens ─────────────────────────────── */
[data-theme="dark"] {
    --pf-bg: #111827;
    --pf-bg-alt: #1f2937;
    --pf-surface: #1f2937;
    --pf-surface-alt: #374151;
    --pf-text: #f3f4f6;
    --pf-text-muted: #9ca3af;
    --pf-heading: #ffffff;
    --pf-border: #374151;
    --pf-primary: #3b82f6;
    --pf-primary-hover: #2563eb;
    --pf-accent: #10b981;
    --pf-accent-hover: #059669;
    --pf-warning: #f59e0b;
    --pf-danger: #ef4444;
    --pf-card-shadow: none;
    --pf-card-hover-shadow: none;
    --pf-navbar-bg: rgba(17, 24, 39, .92);
    --pf-hero-glow: rgba(59, 130, 246, .12);
}

* {
    box-sizing: border-box;
    box-shadow: none !important;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--pf-bg);
    color: var(--pf-text);
    overflow-x: hidden;
    transition: background var(--pf-transition), color var(--pf-transition);
    font-size: 1rem;
}

@media (max-width: 576px) {
    body {
        font-size: 0.92rem;
    }
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--pf-heading);
    font-weight: 700;
}

/* ── Navbar ───────────────────────────────────────── */
.navbar {
    background: var(--pf-navbar-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--pf-border);
    padding: .85rem 0;
    transition: background var(--pf-transition), border-color var(--pf-transition);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.45rem;
    color: var(--pf-primary) !important;
}

.nav-link {
    color: var(--pf-text-muted) !important;
    font-weight: 500;
    transition: color var(--pf-transition);
}

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

.navbar-toggler {
    padding: .25rem;
}

[data-theme="dark"] .navbar-toggler-icon {
    filter: invert(1) brightness(1.5);
}

/* ── Theme Toggle ─────────────────────────────────── */
.theme-toggle {
    background: var(--pf-surface-alt);
    border: 1px solid var(--pf-border);
    color: var(--pf-text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--pf-transition);
}

.theme-toggle i {
    pointer-events: none;
}

.theme-toggle:hover {
    background: var(--pf-primary);
    color: #fff;
    border-color: var(--pf-primary);
}

/* ── Buttons ──────────────────────────────────────── */
.btn-pf {
    background: linear-gradient(135deg, var(--pf-primary), var(--pf-primary-hover));
    color: #fff;
    border: none;
    padding: 0.75rem 1.8rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: .01em;
    transition: all var(--pf-transition);
    box-shadow: none !important;
}

.btn-pf:hover,
.btn-pf:focus {
    transform: translateY(-2px);
    box-shadow: none;
    filter: brightness(1.05);
    color: #fff;
    outline: none;
}


.btn-pf:disabled {
    opacity: .55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-pf-outline {
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    color: var(--pf-text);
    padding: 0.75rem 1.8rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: none;
    transition: all var(--pf-transition);
}

.btn-pf-outline:hover,
.btn-pf-outline:focus {
    background: var(--pf-bg-alt);
    border-color: var(--pf-border);
    color: var(--pf-heading);
    transform: translateY(-1px);
    outline: none;
}


.btn-pf-outline:disabled {
    opacity: .55;
    cursor: not-allowed;
}

.btn-accent {
    background: var(--pf-accent);
    color: #fff;
    border: none;
    padding: .55rem 1.4rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all var(--pf-transition);
}

.btn-accent:hover {
    background: var(--pf-accent-hover);
    color: #fff;
    transform: translateY(-1px);
}

/* ── Hero ─────────────────────────────────────────── */
.hero-section {
    padding: clamp(5rem, 12vh, 8rem) 0 clamp(3rem, 6vh, 4rem);
    position: relative;
    background: var(--pf-bg);
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .hero-section {
        margin-top: 3.5rem;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 5rem 0 2rem;
    }
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--pf-hero-glow), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-headline {
    font-size: clamp(2.5rem, 5.5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--pf-heading);
    margin-bottom: 1.5rem;
}

.hero-headline span {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-sub {
    color: var(--pf-text-muted);
    font-size: 1.25rem;
    line-height: 1.6;
    max-width: 600px;
    margin-bottom: 2rem;
}


/* ── Section Helpers ──────────────────────────────── */
section {
    padding: 2rem 0;
    transition: background var(--pf-transition);
}

@media (max-width: 768px) {
    section {
        padding: 1.5rem 0;
    }
}

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

.section-title {
    font-weight: 800;
    font-size: clamp(1.45rem, 4vw, 2.1rem);
    margin-bottom: .75rem;
    line-height: 1.25;
    color: var(--pf-heading);
    letter-spacing: -0.01em;
}

.section-title span {
    color: var(--pf-primary);
}

.section-sub {
    color: var(--pf-text-muted);
    max-width: 540px;
    margin: 0 auto 2.5rem;
}

/* ── Cards (shared) ───────────────────────────────── */
.pf-card {
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
    box-shadow: var(--pf-card-shadow);
    transition: transform var(--pf-transition), box-shadow var(--pf-transition),
        background var(--pf-transition), border-color var(--pf-transition);
}

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

/* ── Feature Cards ────────────────────────────────── */
.feature-card {
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
    padding: 2rem 1.5rem;
    box-shadow: var(--pf-card-shadow);
    transition: transform var(--pf-transition), box-shadow var(--pf-transition),
        background var(--pf-transition), border-color var(--pf-transition);
    height: 100%;
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.2rem;
    background: var(--pf-primary);
    color: #fff;
}

.feature-card h5 {
    font-weight: 700;
    margin-bottom: .5rem;
    color: var(--pf-heading);
}

.feature-card p {
    color: var(--pf-text-muted);
    font-size: .92rem;
    margin-bottom: 0;
}

/* ── Premium Feature Cards ────────────────────────── */
.premium-card {
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
    padding: 2rem 1.5rem;
    box-shadow: var(--pf-card-shadow);
    position: relative;
    overflow: hidden;
    height: 100%;
    transition: transform var(--pf-transition), box-shadow var(--pf-transition),
        background var(--pf-transition), border-color var(--pf-transition);
}

.premium-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--pf-card-hover-shadow);
}

.premium-card .premium-badge {
    position: absolute;
    top: 12px;
    right: -28px;
    background: var(--pf-warning);
    color: #fff;
    font-size: .7rem;
    font-weight: 700;
    padding: .2rem 2.2rem;
    transform: rotate(45deg);
    letter-spacing: .05em;
}

.premium-card .premium-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1rem;
    background: var(--pf-accent);
    color: #fff;
}

.premium-card h5 {
    font-weight: 700;
    margin-bottom: .5rem;
}

.premium-card p {
    color: var(--pf-text-muted);
    font-size: .9rem;
}

/* ── Generated Questions ──────────────────────────── */
.question-item {
    background: var(--pf-surface-alt);
    border: 1px solid var(--pf-border);
    border-radius: .75rem;
    padding: 1rem 1.2rem;
    margin-bottom: .75rem;
    transition: background var(--pf-transition), border-color var(--pf-transition);
}

.question-item .q-type {
    display: inline-block;
    padding: .15rem .55rem;
    border-radius: 50px;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    background: var(--pf-primary);
    color: #fff;
}

.question-item .q-type.behavioral {
    background: var(--pf-accent);
}

.question-item .q-type.system_design {
    background: var(--pf-warning);
}

.question-item .q-type.technical {
    background: var(--pf-primary);
}

/* ── Audio Player ─────────────────────────────────── */
.audio-player {
    background: var(--pf-surface-alt);
    border: 1px solid var(--pf-border);
    border-radius: .75rem;
    padding: 1rem;
    transition: background var(--pf-transition), border-color var(--pf-transition);
}

.audio-player audio {
    width: 100%;
}

/* ── CV Upload Zone ───────────────────────────────── */
.upload-zone {
    border: 2px dashed var(--pf-border);
    border-radius: var(--pf-radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--pf-transition);
    background: var(--pf-surface);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--pf-primary);
    background: var(--pf-surface-alt);
}

.upload-zone i {
    font-size: 2.5rem;
    color: var(--pf-primary);
}

/* ── CV Suggestions ───────────────────────────────── */
.suggestion-item {
    background: var(--pf-surface-alt);
    border-left: 4px solid var(--pf-accent);
    border-radius: 0 .5rem .5rem 0;
    padding: .8rem 1rem;
    margin-bottom: .6rem;
    font-size: .9rem;
    color: var(--pf-text);
    transition: background var(--pf-transition);
}

/* ── Pricing Cards ────────────────────────────────── */
.pricing-card-plan {
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
    padding: 0;
    position: relative;
    cursor: pointer;
    box-shadow: none;
    transition: none;
    overflow: hidden;
    z-index: 10;
}

.pricing-card-plan:hover {
    box-shadow: none;
}


/* Monthly — blue glow on hover */
.pricing-card-plan.plan-monthly:hover {
    border-color: #3b82f6;
}

/* Yearly — blue glow on hover */
.pricing-card-plan.plan-yearly:hover {
    border-color: #3b82f6;
}

/* Featured top accent bar */
.pricing-bar {
    height: 5px;
    width: 100%;
    border-radius: 20px 20px 0 0;
}

/* Inner padded content area */
.pricing-card-inner {
    padding: 1.25rem 1.75rem 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}



.pricing-card-plan .badge-popular {
    background: var(--pf-primary);
    color: #fff;
    padding: .3rem 1.2rem;
    border-radius: 50px;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.pricing-card-plan h4 {
    color: var(--pf-heading);
    font-weight: 700;
}

.pricing-card-plan .price {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--pf-heading);
}

.pricing-card-plan .price small {
    font-size: 1.1rem;
    font-weight: 600;
    color: #64748b;
    /* Sharper contrast for interval labels */
}


.pricing-card-plan ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pricing-card-plan ul li {
    padding: 0.4rem 0;
    color: var(--pf-text-muted);
    text-align: left;
    font-size: 0.9rem;
}

[data-theme="dark"] .pricing-card-plan .text-muted {
    color: #cbd5e1 !important;
    /* Lighter in dark mode */
}


[data-theme="dark"] .pricing-card-plan .text-muted {
    color: #cbd5e1 !important;
    /* Enhanced readability for dark mode */
}

[data-theme="dark"] .pricing-card-plan .fs-5.text-muted {
    color: #94a3b8 !important;
    /* Lighter interval text */
}

.pricing-card-plan::after {
    display: none;
}

/* Theme-aware border: stronger in light, uses token in dark */
.pf-pricing-card {
    border-color: #c8d4e3;
}

[data-theme="dark"] .pf-pricing-card {
    border-color: var(--pf-border);
}


/* ── Testimonials ─────────────────────────────────── */
.testimonial-card {
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
    padding: 2rem 1.5rem;
    box-shadow: var(--pf-card-shadow);
    height: 100%;
    transition: background var(--pf-transition), border-color var(--pf-transition);
}

.testimonial-card .stars {
    color: #f59e0b;
    margin-bottom: .75rem;
}

.testimonial-card blockquote {
    font-size: .95rem;
    color: var(--pf-text-muted);
    font-style: italic;
    margin-bottom: 1rem;
}

.testimonial-card .author {
    font-weight: 600;
    font-size: .88rem;
    color: var(--pf-heading);
}

.testimonial-card .role {
    font-size: .8rem;
    color: var(--pf-text-muted);
}

/* ── Hero Terminal ─────────────────────────────────── */
.hero-terminal {
    background: var(--pf-surface-alt);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
    padding: 1.5rem;
    font-size: .88rem;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    box-shadow: var(--pf-card-shadow);
    transition: background var(--pf-transition), border-color var(--pf-transition);
}

.hero-terminal .term-label {
    color: var(--pf-primary);
    font-weight: 700;
}

.hero-terminal .term-muted {
    color: var(--pf-text-muted);
}

.hero-terminal .term-success {
    color: var(--pf-accent);
}

/* ── Footer ───────────────────────────────────────── */
footer {
    background: var(--pf-bg-alt);
    border-top: 1px solid var(--pf-border);
    padding: 2.5rem 0;
    transition: background var(--pf-transition), border-color var(--pf-transition);
}

footer a {
    color: var(--pf-text-muted);
    transition: color var(--pf-transition);
    text-decoration: none;
}

footer a:hover {
    color: var(--pf-heading);
}

/* ── Modals ───────────────────────────────────────── */
.modal-content {
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
}

.modal-header {
    border-bottom-color: var(--pf-border);
}

.modal-header .modal-title {
    color: var(--pf-heading);
}

.modal-footer {
    border-top-color: var(--pf-border);
}

.form-label {
    color: var(--pf-text);
}

input,
textarea,
.form-control,
.form-select {
    background: #ffffff !important;
    border: 1px solid var(--pf-border);
    color: var(--pf-text);
}

input:focus,
textarea:focus,
.form-control:focus,
.form-select:focus {
    background: #ffffff !important;
    border-color: var(--pf-primary);
    border-width: 2px;
    color: var(--pf-text);
    box-shadow: none !important;
}

.form-control::placeholder {
    color: var(--pf-text-muted);
}

[data-theme="dark"] .btn-close {
    filter: invert(1);
}

[data-theme="dark"] .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%239ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

/* ── Animations ───────────────────────────────────── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    opacity: 1;
    transform: none;
    animation: none;
}


.delay-1 {
    animation-delay: .1s;
}

.delay-2 {
    animation-delay: .2s;
}

.delay-3 {
    animation-delay: .3s;
}

.delay-4 {
    animation-delay: .4s;
}

/* ── Spinner ──────────────────────────────────────── */
.spinner-sm {
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, .3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .6s linear infinite;
    display: inline-block;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ── Google Button ───────────────────────────────── */
.btn-google {
    background: #fff !important;
    color: #3c4043 !important;
    border: 1px solid #dadce0 !important;
    font-weight: 500 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.2s;
}

.btn-google:hover {
    background: #f8f9fa !important;
    box-shadow: 0 1px 2px 0 rgba(60, 64, 67, .30), 0 1px 3px 1px rgba(60, 64, 67, .15) !important;
    border-color: #d2e3fc !important;
}

.btn-google svg {
    width: 18px;
    height: 18px;
}

/* ── Mobile Polish ───────────────────────────────── */
@media (max-width: 576px) {
    section {
        padding: 1.5rem 0 !important;
    }

    .hero-section {
        padding: 4rem 0 2rem !important;
        margin-top: 4.5rem !important;
    }

    .navbar-toggler {
        padding: 0.2rem;
        font-size: 1rem;
    }

    .navbar-brand {
        font-size: 1.15rem;
    }

    .theme-toggle {
        width: 32px;
        height: 32px;
        font-size: 0.85rem;
    }

    .navbar-nav {
        padding: 0.5rem 0;
    }

    .hero-headline {
        font-size: 1.6rem;
        font-weight: 700;
        line-height: 1.2;
    }

    .section-title {
        font-size: 1.35rem;
        font-weight: 700;
    }

    .hero-sub {
        font-size: 0.9rem;
        margin-top: 0.75rem !important;
    }

    .btn-google {
        width: fit-content !important;
        margin: 0.5rem 0;
        padding: 0.5rem 1.2rem !important;
        font-size: 0.85rem !important;
        align-self: flex-start;
    }

    .navbar-nav .nav-item {
        display: flex;
        flex-direction: column;
    }

    .btn-pf,
    .btn-pf-outline {
        width: 100%;
        padding: 0.55rem 1.2rem;
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }

    .pf-card,
    .feature-card,
    .premium-card,
    .testimonial-card {
        padding: 1.1rem !important;
    }

    .testimonial-card blockquote {
        font-size: 0.88rem !important;
        margin-bottom: 0.75rem !important;
    }

    .pricing-card {
        padding: 1.5rem 1.25rem !important;
    }

    .pricing-card .price {
        font-size: 2.2rem !important;
    }
}

/* Accessibility: Focus visible */
:focus-visible {
    outline: 2px solid var(--pf-primary);
    outline-offset: 4px;
}

/* ── Footer ───────────────────────────────────────── */
footer {
    padding: 5rem 0 3rem;
    background: var(--pf-bg);
}

.footer-nav a {
    color: var(--pf-text-muted);
    font-size: 0.88rem;
    text-decoration: none;
    transition: color var(--pf-transition);
}

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

@media (max-width: 576px) {
    footer {
        padding: 3rem 0;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .animate-in {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
}

/* ── Final CTA ────────────────────────────────────── */
.cta-card {
    background: linear-gradient(135deg, var(--pf-bg-alt), #ffffff);
    border: 1px solid var(--pf-border);
    padding: 4.5rem 2rem;
    border-radius: 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all var(--pf-transition);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .cta-card {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    border-color: rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.4);
}

.cta-card h2 {
    color: var(--pf-heading);
    font-weight: 800;
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    letter-spacing: -0.02em;
}

[data-theme="dark"] .cta-card h2 {
    color: #ffffff;
}

.cta-card p {
    color: var(--pf-text-muted);
    font-size: 1.05rem;
}

[data-theme="dark"] .cta-card p {
    color: rgba(255, 255, 255, 0.7);
}

.cta-small-text {
    color: var(--pf-text-muted);
    font-size: 0.82rem;
    opacity: 0.8;
}

[data-theme="dark"] .cta-small-text {
    color: rgba(255, 255, 255, 0.5);
}

.cta-card .cta-accent-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #10b981);
}

@media (max-width: 768px) {
    .cta-card {
        padding: 2.75rem 1.25rem;
        border-radius: 1.25rem;
    }

    .cta-card h2 {
        font-size: 1.45rem;
        line-height: 1.3;
        margin-bottom: 1.25rem !important;
    }

    .cta-card p {
        font-size: 0.95rem;
        margin-bottom: 2rem !important;
    }
}