/* =========================================================
   css/index.css — Page-specific styles for index.php
   Global/shared styles live in /style.css
   ========================================================= */

/* ----- Hero / Parallax sections ----- */
.parallax-section,
.parallax-section-hero,
.parallax-section-app {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-shadow: var(--shadow);
}

.parallax-section-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(45, 116, 154, 0.3) 0%, transparent 60%);
    z-index: 1;
}

.parallax-background-hero {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 120%;
    background-image: url('/images/moserab powerlifter deadlifting background.webp');
    background-size: cover;
    background-position: center;
    transform: translateZ(0);
    will-change: transform;
    filter: blur(8px);
}

.parallax-background {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 120%;
    background-image: url('/images/app insight screens background blue gradient.webp');
    background-size: cover;
    background-position: center;
    transform: translateZ(0);
    will-change: transform;
}

.parallax-background-app {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 120%;
    background-image: url('/images/powerlifting one app hintergrund.png');
    background-size: cover;
    background-position: center;
    transform: translateZ(0);
    will-change: transform;
}

.parallax-content {
    position: relative;
    z-index: 2;
    border-radius: 10px;
    max-width: 610px;
    color: var(--white);
    margin-left: 7%;
}

.parallax-content-hero {
    position: relative;
    z-index: 2;
    color: var(--white);
    margin: 0 auto;
    text-align: center;
    text-shadow: 0 0 10px rgba(0,0,0,0.4);
    padding: 0 2rem;
    max-width: 1200px;
}

.parallax-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.parallax-content p { font-size: 1.2rem; line-height: 1.6; }

/* Hero text */
.hero-title {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-title .moserab { color: var(--primary); }

.hero-vision {
    font-size: 1.4em;
    opacity: 0.95;
    margin-bottom: 2.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 500;
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Hero guarantee strip ── */
.hero-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    margin: 0 auto;
    padding: 0.75rem 1.25rem;
    width: max-content;
    font-size: 0.9rem;
    color: rgba(205, 246, 255, 0.7);
    line-height: 1.4;
}

.hero-guarantee strong {
    color: rgba(205, 246, 255, 0.95);
}

@media (max-width: 600px) {
    .hero-guarantee {
        border-radius: 12px;
        font-size: 0.82rem;
        padding: 0.65rem 1rem;
    }
}

.social-slideshow {
    background: var(--dark);
    padding: 2rem 0;        /* was 3rem — tighter top/bottom */
    overflow: hidden;
}

.slideshow-container {
    max-width: 90%;
    margin: 0 auto;
    padding: 0 2rem;
}

.slideshow-title {
    text-align: center;
    font-family: var(--font-display);
    font-size: 1.3rem;      /* was 1.8rem */
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.25rem; /* was 2rem */
}

.slideshow-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;           /* was 3rem */
}

.testimonial-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 1.1rem;   /* was 1.5rem — tighter */
    background: linear-gradient(160deg,
        rgba(255,255,255,0.1) 0%,
        rgba(45,115,154,0.1) 100%);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 5px;
    transition: var(--transition);
    cursor: none;
}

.testimonial-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}

.testimonial-text {
    font-style: italic;
    font-size: 0.88rem;     /* slightly smaller — fits in less height */
    line-height: 1.55;
    opacity: 0.85;
    flex-grow: 1;
}

.testimonial-author { font-weight: 600; font-size: 0.9rem; color: var(--primary); }
.testimonial-role   { font-size: 0.78rem; opacity: 0.6; }

/* Integrated download button strip */
.testimonial-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.5rem;
    padding: 0.45rem 0.75rem;
    border-radius: 5px;
    background: rgba(45, 116, 154, 0.12);
    border: 1px solid rgba(45, 116, 154, 0.25);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    color: var(--primary);
    transition: background 0.2s, border-color 0.2s;
}

.testimonial-item:hover .testimonial-action {
    background: rgba(45, 116, 154, 0.25);
    border-color: var(--primary);
}

.testimonial-action-icon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(45, 116, 154, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    transition: background 0.2s;
    flex-shrink: 0;
}

.testimonial-item:hover .testimonial-action-icon {
    background: var(--primary);
    color: #fff;
}

/* ── Integrated download button ── */
.testimonial-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 1rem;
    margin-top: 0.5rem;
    border-radius: 6px;
    background: rgba(45, 116, 154, 0.15);
    border: 1px solid rgba(45, 116, 154, 0.3);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    color: var(--primary);
    transition: background 0.2s ease, border-color 0.2s ease;
    cursor: none;
}

.testimonial-item:hover .testimonial-action {
    background: rgba(45, 116, 154, 0.28);
    border-color: var(--primary);
}

.testimonial-action-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(45, 116, 154, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
    transition: background 0.2s ease;
}

.testimonial-item:hover .testimonial-action-icon {
    background: var(--primary);
    color: var(--white);
}

/* ── Testimonial download tooltip ── */
.cursor-tooltip {
    position: fixed;
    pointer-events: none;
    z-index: 19999;
    padding: 0.45rem 0.85rem;
    background: rgba(5, 13, 18, 0.92);
    border: 1px solid rgba(45, 116, 154, 0.45);
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(229, 244, 250, 0.9);
    white-space: nowrap;
    letter-spacing: 0.3px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.cursor-tooltip.visible {
    opacity: .82;
    transform: translateY(0);
}

.cursor-tooltip::before {
    content: '↓ ';
    color: var(--primary);
}

/* ----- Mission section ----- */
.mission-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.mission-content h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.mission-content p { font-size: 1.2rem; line-height: 1.8; opacity: 0.85; }

.mission-image {
    width: 100%;
    height: 410px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.mission-image img { width: 100%; height: 100%; object-fit: cover; }

/* ----- Core beliefs ----- */
.core-beliefs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.belief-item {
    padding: 2rem;
    background: linear-gradient(160deg, rgba(255,255,255,0.1) 0%, rgba(170,207,227,0.1) 25%, rgba(120,174,204,0.1) 50%, rgba(86,150,186,0.1) 75%, rgba(45,115,154,.1) 100%);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 5px;
}

.belief-item h4 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.belief-item p { font-size: 1.05rem; opacity: 0.85; line-height: 1.7; }

/* ----- Results grid ----- */
.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.result-card {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(160deg, rgba(255,255,255,0.1) 0%, rgba(170,207,227,0.1) 25%, rgba(120,174,204,0.1) 50%, rgba(86,150,186,0.1) 75%, rgba(45,115,154,.1) 100%);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 5px;
    box-shadow: var(--shadow);
}

.result-value {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.result-label { font-size: 1.1rem; font-weight: 600; }

/* ----- Video section ----- */
.video-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    max-width: 960px;
    margin: 0 auto;
}

.video-content  { text-align: center; }

.video-title {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.video-title .moserab { color: var(--primary); }

.video-description {
    font-size: 1.2rem;
    opacity: 0.85;
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

.video-wrapper { width: 100%; }

.video-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    aspect-ratio: 16 / 9;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    background: transparent;
}

.video-container iframe,
.video-container video {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

.video-features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.video-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
}

/* ----- How we work ----- */
.how-horizontal {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.how-step {
    text-align: center;
    padding: 2rem 1rem;
    background: linear-gradient(160deg, rgba(255,255,255,0.1) 0%, rgba(170,207,227,0.1) 25%, rgba(120,174,204,0.1) 50%, rgba(86,150,186,0.1) 75%, rgba(45,115,154,.1) 100%);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 5px;
}

.how-step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, white 0%, #1a5f7f 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--dark);
    margin: 0 auto 1rem;
}

.how-step h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; margin-bottom: 0.75rem; }
.how-step p  { font-size: 0.95rem; opacity: 0.85; line-height: 1.6; }

/* ----- Benefits section ----- */
.benefits-section  { padding: 96px 48px; }

.benefits-container { max-width: 1400px; margin: 0 auto; }

.benefits-header { text-align: center; margin-bottom: 4rem; }

.benefits-header h2 {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.benefits-card,
.commitment-card {
    padding: 2.5rem;
    background: linear-gradient(160deg, rgba(255,255,255,0.1) 0%, rgba(170,207,227,0.1) 25%, rgba(120,174,204,0.1) 50%, rgba(86,150,186,0.1) 75%, rgba(45,115,154,.1) 100%);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 5px;
}

.benefits-card h3,
.commitment-card h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--primary);
}

.benefits-list { list-style: none; }

.benefits-list li {
    padding: 1rem 0;
    display: flex;
    align-items: start;
    gap: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.benefits-list li:last-child { border-bottom: none; }

.benefits-list li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.commitment-card {
    background: linear-gradient(160deg, rgba(255,136,0,0.1) 0%, rgba(255,68,68,0.1) 100%);
    border-color: rgba(255,136,0,0.3);
}

.commitment-card h3 { color: var(--warning); }

.commitment-card p { font-size: 1.05rem; line-height: 1.7; opacity: 0.9; }

/* ----- Referral section ----- */
.referral-section   { padding: 96px 48px; }

.referral-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.referral-container h2 {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.referral-container p { font-size: 1.2rem; line-height: 1.8; opacity: 0.85; margin-bottom: 3rem; }

.referral-box {
    background: linear-gradient(160deg, rgba(255,255,255,0.1) 0%, rgba(170,207,227,0.1) 25%, rgba(120,174,204,0.1) 50%, rgba(86,150,186,0.1) 75%, rgba(45,115,154,.1) 100%);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 15px;
    padding: 3rem 3rem 1rem 3rem;
}

.share-link-container { display: flex; gap: 1rem; margin-bottom: 2rem; }

.share-link-input {
    flex: 1;
    padding: 1.2rem;
    border: 2px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.05);
    color: white;
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 1rem;
    text-align: center;
}

.btn-copy {
    padding: 1.2rem 2rem;
    background: linear-gradient(135deg, #2D749A 0%, #1a5f7f 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    cursor: none;
    transition: var(--transition);
}

.btn-copy:hover        { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-copy.copied       { background: linear-gradient(135deg, #00C851 0%, #007E33 100%); width: 20.3ch; }

/* ----- Pricing ----- */
.pricing-container {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 3rem;
}

.pricing-card {
    background: linear-gradient(160deg, rgba(255,255,255,0.1) 0%, rgba(170,207,227,0.1) 25%, rgba(120,174,204,0.1) 50%, rgba(86,150,186,0.1) 75%, rgba(45,115,154,.1) 100%);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-badge {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--success) 0%, #007E33 100%);
    color: white;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0,200,81,0.3);
}

.pricing-header { margin-bottom: 3rem; }

.pricing-price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.price-currency { font-size: 2rem; font-weight: 700; color: var(--primary); margin-top: 1rem; }
.price-amount   { font-size: 5rem; font-weight: 800; color: var(--primary); line-height: 1; }
.price-decimal  { font-size: 2rem; font-weight: 700; color: var(--primary); margin-top: 2rem; }
.pricing-period { font-size: 3rem; font-weight: 600; opacity: 0.5; margin-left: 1rem; }
.pricing-subtitle { font-size: 0.95rem; opacity: 0.6; }

.pricing-features {
    list-style: none;
    text-align: left;
    max-width: 500px;
    margin: 0 auto 2.5rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    font-size: 1.05rem;
    line-height: 1.6;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.pricing-features li::before { content: '✓ '; color: var(--success); font-weight: 700; }
.pricing-features li:last-child { border-bottom: none; }

.btn-pricing {
    display: inline-block;
    padding: 1.5rem 3rem;
    background: linear-gradient(135deg, #2D749A 0%, #1a5f7f 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: none;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(45,116,154,0.3);
}

.btn-pricing:hover { transform: translateY(-3px); box-shadow: 0 12px 35px rgba(45,116,154,0.4); }

.pricing-footer {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.pricing-comparison {
    background: linear-gradient(160deg, rgba(255,255,255,0.05) 0%, rgba(45,115,154,0.05) 100%);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 15px;
    padding: 2.5rem;
}

.pricing-comparison h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

.comparison-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    margin-bottom: 1rem;
    background: rgba(255,255,255,0.03);
    border-radius: 10px;
}

.comparison-label { font-weight: 600; }
.comparison-value { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; }
.comparison-value.highlight { color: var(--success); font-size: 1.5rem; }

.comparison-savings {
    text-align: center;
    padding: 1.5rem;
    margin-top: 1.5rem;
    background: rgba(0,200,81,0.1);
    border: 2px solid var(--success);
    border-radius: 10px;
    font-size: 1.2rem;
    color: var(--success);
}

/* ----- Responsive (index-specific) ----- */
@media (max-width: 1024px) {
    .mission-section    { grid-template-columns: 1fr; }
    .core-beliefs       { grid-template-columns: 1fr; }
    .results-grid       { grid-template-columns: repeat(2, 1fr); }
    .how-horizontal     { grid-template-columns: 1fr; }
    .slideshow-track    { grid-template-columns: repeat(2, 1fr); }
    .benefits-grid      { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .hero-title         { font-size: 2.5rem; }
    .hero-vision        { font-size: 1.3rem; }
    .results-grid       { grid-template-columns: 1fr; }
    .slideshow-track    { grid-template-columns: 1fr; }

    .video-title        { font-size: 2rem; }
    .video-description  { font-size: 1rem; }
    .video-features     { gap: 1.5rem; }
    .video-feature      { font-size: 0.95rem; }

    .pricing-card       { padding: 2rem 1.5rem; }
    .price-amount       { font-size: 4rem; }
    .pricing-features   { text-align: center; }

    .comparison-item {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}

/* =========================================================
   Calculator / PR-Rechner section
   Styled to match the app's dark theme (based on style.css)
   ========================================================= */

#calc {
    padding: 96px 48px;
    background: var(--dark);
}

#calc .content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 3rem;
    align-items: start;
}

/* Calculator card */
#calc .calculator {
    background: linear-gradient(160deg,
        rgba(255,255,255,0.07) 0%,
        rgba(45,116,154,0.12) 50%,
        rgba(26,95,127,0.1) 100%);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(45,116,154,0.2);
    border-radius: 12px;
    padding: 2rem;
}

.calculator-desc {
    text-align: center;
    margin-bottom: 1.75rem;
}

.calculator-desc h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.calculator-desc p {
    font-size: 1rem;
    opacity: 0.7;
    margin-top: 0.5rem;
}

.calculator-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

/* Form groups */
.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 0.75rem;
}

.form-group label {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.55);
    margin-bottom: 0.4rem;
}

.form-group input,
.form-group select {
    background: rgba(0,28,58,0.6);
    border: 1.5px solid rgba(45,116,154,0.35);
    border-radius: 6px;
    padding: 0.65rem 0.9rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    transition: var(--transition);
    cursor: text;
    -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(45,116,154,0.12);
    box-shadow: 0 0 0 3px rgba(45,116,154,0.15);
}

.form-group select option {
    background: var(--dark);
    color: var(--white);
}

/* unit labels */
.unit-label { color: var(--primary); font-weight: 700; }

/* Calculate button */
#calc .primary-button,
#calculateBtn {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.9rem 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: none;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(45,116,154,0.3);
}

#calc .primary-button:hover,
#calculateBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(45,116,154,0.45);
}

/* Graph panel */
#calc .graph-container {
    background: linear-gradient(160deg,
        rgba(255,255,255,0.05) 0%,
        rgba(45,116,154,0.08) 50%,
        rgba(0,28,58,0.4) 100%);
    border: 1px solid rgba(45,116,154,0.18);
    border-radius: 12px;
    padding: 1.75rem;
}

#calc .graph-container h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#calc #graphArea,
#calc .chart-area {
    position: relative;
    width: 100%;
    height: 440px;
}

#calc canvas {
    width: 100% !important;
    height: 100% !important;
    border-radius: 6px;
}

/* Responsive calculator */
@media (max-width: 1024px) {
    #calc .content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .calculator-items {
        grid-template-columns: 1fr;
    }

    #calc #graphArea,
    #calc .chart-area {
        height: 300px;
    }
}

/* =========================================================
   FAQ Section
   ========================================================= */

.faq-section { padding: 96px 48px; background: var(--dark); }

.faq-container { max-width: 1000px; margin: 0 auto; }

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 3rem;
    margin-top: 1rem;
}

.faq-column { display: flex; flex-direction: column; }

/* Accordion item */
.faq-item {
    border-bottom: 1px solid rgba(45,116,154,0.2);
}

.faq-item:last-child { border-bottom: none; }

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 1.25rem 0;
    background: none;
    border: none;
    cursor: none;
    text-align: left;
    gap: 1rem;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    transition: var(--transition);
}

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

.faq-question:hover .faq-icon { border-color: var(--primary); color: var(--primary); }

.faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border: 1.5px solid rgba(255,255,255,0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    line-height: 1;
    transition: var(--transition);
    color: rgba(255,255,255,0.5);
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(45,116,154,0.15);
}

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

.faq-item.open .faq-answer {
    max-height: 500px;
}

.faq-answer-inner {
    padding: 0 0 1.25rem;
    font-size: 0.97rem;
    line-height: 1.8;
    opacity: 0.75;
}

.faq-answer-inner a {
    color: var(--link);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Tab nav for FAQ categories */
.faq-tabs {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.faq-tab {
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    border: 1.5px solid rgba(45,116,154,0.35);
    background: none;
    color: rgba(255,255,255,0.55);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: none;
    transition: var(--transition);
    font-family: var(--font-body);
}

.faq-tab:hover,
.faq-tab.active {
    background: rgba(45,116,154,0.2);
    border-color: var(--primary);
    color: var(--white);
}

.faq-panel { display: none; }
.faq-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 0 3rem; }

@media (max-width: 768px) {
    .faq-panel.active { grid-template-columns: 1fr; gap: 0; }
    .faq-grid { grid-template-columns: 1fr; gap: 0; }
}