:root {
    --primary: #3b28cc;
    --secondary: #ff9900;
    --bg: white;
    --text: black;
    --subtext: #aaaaaa;
}

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

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

header {
    position: sticky;
    background: var(--bg);
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 10;
}

nav a {
    margin-left: 1rem;
    text-decoration: none;
    color: var(--text);
    font-weight: bold;
}

nav a.buy {
    background: var(--secondary);
    font-size: 0.9em;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.logo {
    height: 1.5vh;
    width: auto;
    display: block;
    cursor: pointer;
}

.hero {
    padding: 5rem 2rem;
    text-align: center;
}

.hero h2 {
    font-size: 4rem;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero span {
    font-size: 4rem;
    font-weight: bold;
    line-height: 1.1;
    color: var(--primary);
}

.slope {
    position: relative;
    display: inline-block;
    padding: 0.2em 0.4em;
    color: white;
}

.slope::before {
    content: "";
    position: absolute;
    left: 0%;
    width: 102%;
    height: 75%;
    margin-top: -2.5%;
    background: var(--secondary);
    transform: skew(-12deg);
    z-index: -1;
}

.slope--blue::before {
    left: 5%;
    width: 94%;
    transform: skew(-12deg);
    background: var(--primary);
}

.hero p {
    text-wrap-mode: wrap;
    font-size: 1.2em;
    color: var(--subtext);
    font-weight: 400;
    margin: 0 20%;
}

.hero button {
    margin-top: 2rem;
    font-size: 1.2rem;
    font-weight: bold;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    background: var(--secondary);
    color: white;
    cursor: pointer;
    transition: transform 0.2s ease;
}

button:hover {
    transform: scale(1.05);
}

.swap-container {
    display: inline-block;
    position: relative;
    height: 1.2em;
    min-width: 5.5em;
    overflow: hidden;
    vertical-align: top;
}

.swap-word {
    position: absolute;
    left: 0;
    right: 0;
    text-align: center;
    opacity: 1;
}

.swap-word.enter {
    opacity: 0;
    transform: translateY(-120%);
    animation: dropIn 1s ease forwards;
}

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

.social-proof {
    margin-top: 2rem;
    font-size: 14px;
    text-align: center;
}

.avatars {
    display: flex;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.avatars img {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid white;
    margin-left: -10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.social-proof p {
    font-size: 0.95rem;
    color: var(--subtext);
}

.social-proof strong {
    color: var(--secondary);
}

section {
    padding: 4rem 2rem;
    max-width: 80%;
    margin: 0 auto;
}

.sheet {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 1rem;
    align-items: center;
    width: 100%;
}

.sheet video {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.sheet h3 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.sheet p {
    color: var(--subtext);
}

.compare {
    font-size: 4em;
    text-align: center;
    margin-bottom: 1em;
    position: relative;
}

.highlight {
    position: relative;
    display: inline-block;
    padding: 0 0.2em;
}

.highlight::before {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0.15em;
    width: 100%;
    height: 0.4em;
    background: var(--secondary);
    transform: translateX(-50%) skew(-12deg);
    z-index: -1;
}

.sidebyside {
    display: flex;
    justify-content: space-between;
    gap: 2rem;

    max-width: 1050px;
    margin: 0 auto;
    width: 100%;
}

.sidebyside>div {
    flex: 1;
    padding: 2rem;
}

.sidebyside h3 {
    font-size: 1.4em;
    margin-bottom: 1.5rem;
    text-align: center;
}

.oursheet h3 {
    color: #ff7a1a;
}

.oursheet {
    background: #fff4ec;
    border: 2px solid #ffdfb6;
}

.otherapps {
    background: #f2f2f2;
    border: 2px solid #ddd;
}

.sidebyside ul {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 1.2em;
}

.sidebyside li {
    position: relative;
    padding: 0.75rem 0;
}

.sidebyside li::before {
    left: 0;
    font-size: 1.5rem;
}

.oursheet li::before {
    content: "✓";
    margin-right: 5px;
    color: #2e7d32;
}

.otherapps li::before {
    content: "×";
    margin-right: 8px;
    color: #e53935;
}

#price {
    display: flex;
    justify-content: center;
    padding: 60px 20px;
}

.price-card {
    max-width: 380px;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
    border: 2px solid #ffdfb6;
}

.badge {
    color: var(--secondary);
    font-weight: 800;
    font-size: 24px;
}

.subtitle {
    color: #666;
    margin-bottom: 20px;
}

.benefits {
    list-style: none;
    padding: 0;
    margin: 20px 0;
    text-align: left;
}

.benefits li {
    margin-bottom: 10px;
}

.benefits li::before {
    content: "✓";
    margin-right: 5px;
    color: #2e7d32;
}

.price-box {
    margin: 30px 0;
}

.old-price {
    display: block;
    text-decoration: line-through;
    color: #999;
    font-size: 1.5em;
}

.current-price {
    display: block;
    font-size: 42px;
    font-weight: 800;
}

.save {
    margin-top: 8px;
    background: rgba(255, 122, 0, 0.15);
    color: #ff7a00;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

#price a {
    display: block;
    margin-top: 20px;
    background: var(--secondary);
    color: #fff;
    padding: 16px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s ease;
}

.buy-button:hover {
    transform: scale(1.05);
}

.faq {
    max-width: 800px;
    margin: 4rem auto;
    padding: 0 1rem;
}

.faq h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.faq details {
    border-bottom: 1px solid #e5e7eb;
    padding: 1rem 0;
}

.faq summary {
    list-style: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #111827;
    transition: color 0.3s ease;
}

.faq summary::-webkit-details-marker {
    display: none;
}

.faq summary::after {
    content: "+";
    font-size: 1.5rem;
    color: var(--secondary);
    transition: transform 0.3s ease, color 0.3s ease;
}

.faq details[open] summary {
    color: var(--secondary);
}

.faq details[open] summary::after {
    content: "−";
    transform: rotate(180deg);
}

.faq p {
    margin-top: 0.75rem;
    color: #4b5563;
    line-height: 1.6;
}

.site-footer {
    background-color: #000;
    color: #e5e7eb;
    padding: 2rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-email {
    display: flex;
    gap: 0.5rem;
}

.email-link {
    color: #38bdf8;
    text-decoration: none;
    font-weight: 500;
}

.email-link:hover {
    text-decoration: underline;
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    padding: 1rem;
}

.modal-content {
    background: #fff;
    max-width: 640px;
    width: 100%;
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
    animation: modalFade 0.25s ease;
}

@keyframes modalFade {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }

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

.modal-content {
    background: #fff;
    max-width: 640px;
    width: 92%;
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-content h2 {
    font-size: 1.6rem;
    font-weight: 800;
    text-align: center;
}

.modal-subtitle {
    font-size: 0.95rem;
    color: #666;
    text-align: center;
}

.terms-container {
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    overflow: hidden;
    height: 320px;
}

.terms-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
}

.checkbox input {
    margin-top: 3px;
    accent-color: var(--secondary);
}

.actions {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 8px;
}

.btn-primary {
    background: var(--secondary);
    color: #fff;
    border: none;
    padding: 12px 18px;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: #f3f4f6;
    color: #111;
    border: none;
    padding: 12px 18px;
    border-radius: 10px;
    cursor: pointer;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

.checkbox input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 1.5rem;
}

.actions button {
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    font-size: 0.95rem;
}

.actions button:first-child {
    background: #e5e7eb;
    color: #111;
}

.actions button:first-child:hover {
    background: #d1d5db;
}

.actions button:last-child {
    background: var(--secondary);
    color: #fff;
}

.actions button:last-child:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.actions button:last-child:not(:disabled):hover {
    transform: scale(1.05);
}

.menu-toggle,
.menu-overlay,
.mobile-menu {
    display: none;
}

@media (min-width: 640px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

@media (max-width: 768px) {
    header {
        padding: 0.75rem 1rem;
    }

    header nav {
        display: none;
    }

    .menu-toggle {
        display: block;
        font-size: 1.8rem;
        background: none;
        border: none;
        cursor: pointer;
    }

    .menu-overlay {
        position: fixed;
        inset: 0;
        display: block;
        background: rgba(0, 0, 0, 0.45);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.25s ease;
        z-index: 20;
    }

    .menu-overlay.active {
        opacity: 1;
        pointer-events: auto;
    }

    .mobile-menu {
        position: fixed;
        top: 0;
        right: 0;
        display: flex;
        width: 260px;
        height: 100%;
        background: #fff;
        padding: 2rem 1.5rem;
        box-shadow: -12px 0 30px rgba(0, 0, 0, 0.15);
        transform: translateX(100%);
        transition: transform 0.25s ease;
        z-index: 30;
        flex-direction: column;
        gap: 1.5rem;
    }

    .mobile-menu.active {
        transform: translateX(0);
    }

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

    .sheet video {
        order: 2;
    }

    .sheet div {
        order: 1;
    }

    .sheet {
        gap: 1.5rem;
    }

    .sheet h3 {
        font-size: 1.8rem;
        text-align: center;
    }

    .sheet p {
        font-size: 1rem;
        text-align: center;
    }

    .compare {
        font-size: 2rem;
    }

    .sidebyside {
        flex-direction: column;
    }

    .sidebyside>div {
        padding: 1.5rem 1rem;
    }
}

@media (max-width: 480px) {
    .logo {
        height: 15px;
    }

    .hero {
        padding: 3rem 1rem;
    }

    .hero h2,
    .hero span {
        font-size: 2.5rem;
    }

    .slope,
    .slope--blue {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero button {
        width: 100%;
        font-size: 1rem;
    }

    .swap-container {
        height: 1.1em;
    }

    .avatars img {
        width: 36px;
        height: 36px;
    }

    section {
        max-width: 100%;
        padding: 3rem 1rem;
    }

    #price {
        padding: 3rem 1rem;
    }

    .price-card {
        width: 100%;
        padding: 24px;
    }

    .current-price {
        font-size: 2.2rem;
    }

    .old-price {
        font-size: 1.2rem;
    }

    .buy-button {
        font-size: 1rem;
        padding: 14px;
    }

    .faq h2 {
        font-size: 1.6rem;
    }

    .faq summary {
        font-size: 1rem;
    }

    .footer-content {
        text-align: center;
        gap: 0.75rem;
    }

    .footer-email {
        justify-content: center;
        flex-wrap: wrap;
    }
}