*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #141414;
    background: #fdfdfc;
}

a {
    color: inherit;
    text-decoration: none;
}

.page {
    max-width: 1200px;
    margin: 32px auto 80px;
    padding: 48px 64px 64px;
    background: #ffffff;
    border-radius: 40px;
    box-shadow: 0 40px 120px rgba(28, 51, 100, 0.08);
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    margin-bottom: 64px;
}

.brand {
    font-weight: 700;
    font-size: 24px;
    letter-spacing: 0.02em;
}

.site-nav {
    display: flex;
    gap: 28px;
    font-size: 15px;
    color: #3c4556;
}

.site-nav a {
    padding: 6px 0;
    position: relative;
}

.site-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #1944ff, #52a0ff);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

.site-nav a:hover::after {
    transform: scaleX(1);
}

.primary-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    border-radius: 999px;
    background: #141414;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 12px 24px rgba(20, 20, 20, 0.12);
}

.account-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
}

.account-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 16px;
    color: #fff;
    background: linear-gradient(135deg, #1d3fff, #69a7ff);
    box-shadow: 0 16px 32px rgba(32, 62, 140, 0.25);
    border: none;
    cursor: default;
}

.account-avatar:focus-visible {
    outline: 2px solid rgba(31, 84, 255, 0.45);
    outline-offset: 4px;
}

.account-menu {
    position: absolute;
    top: 58px;
    right: 0;
    min-width: 200px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 24px 70px rgba(22, 40, 90, 0.18);
    border: 1px solid rgba(205, 214, 236, 0.7);
    display: none;
    flex-direction: column;
    gap: 10px;
    z-index: 1200;
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.18s ease, transform 0.18s ease;
}

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

.account-menu__greeting {
    margin: 0;
    font-size: 13px;
    color: #5d6881;
}

.account-menu__logout {
    border: none;
    border-radius: 12px;
    padding: 10px 14px;
    font-size: 14px;
    font-weight: 600;
    color: #1f2b4d;
    background: rgba(238, 242, 252, 0.85);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.account-menu__logout:hover {
    background: rgba(216, 226, 255, 0.96);
    transform: translateY(-1px);
    box-shadow: 0 14px 24px rgba(34, 56, 118, 0.16);
}

.account-menu__logout:focus-visible {
    outline: 2px solid rgba(64, 126, 255, 0.45);
    outline-offset: 3px;
}

.hero {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 56px;
    align-items: center;
    margin-bottom: 96px;
}

.hero-copy h1 {
    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.1;
    margin-bottom: 16px;
}

.hero-copy p {
    font-size: 16px;
    line-height: 1.6;
    color: #4f5b74;
    margin-bottom: 32px;
}

.hero-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding: 24px;
    background: #f6f8fb;
    border-radius: 24px;
    box-shadow: inset 0 0 0 1px rgba(10, 23, 49, 0.04);
}

.hero-form__stack {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hero-form input {
    padding: 16px 18px;
    border-radius: 14px;
    border: 1px solid #d8dfee;
    font-size: 15px;
    outline: none;
    transition: border 0.2s ease, box-shadow 0.2s ease;
}

.hero-form input:focus {
    border-color: #487bff;
    box-shadow: 0 0 0 4px rgba(72, 123, 255, 0.2);
}

.hero-form button {
    padding: 16px 18px;
    border-radius: 14px;
    border: none;
    font-weight: 600;
    font-size: 15px;
    background: linear-gradient(135deg, #1944ff, #5aa0ff);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 16px 40px rgba(45, 108, 255, 0.25);
}

.hero-form button[disabled] {
    opacity: 0.8;
    cursor: default;
}

.is-hidden {
    display: none !important;
}

.hero-form .form-message {
    min-height: 0;
    font-size: 13px;
    color: #54607a;
    margin: 12px 0 0;
    padding: 10px 14px;
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.04);
    border: 1px solid rgba(15, 23, 42, 0.06);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    line-height: 1.4;
}

.hero-form .form-message:empty {
    display: none;
}

.hero-form .form-message::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.hero-form .form-message.error {
    color: #b10f39;
    background: rgba(255, 224, 234, 0.8);
    border-color: rgba(255, 117, 170, 0.6);
}

.hero-form .form-message.success {
    color: #0f6a3b;
    background: linear-gradient(135deg, rgba(222, 255, 244, 0.95), rgba(199, 249, 233, 0.95));
    border-color: rgba(67, 207, 149, 0.5);
}

.disclaimer {
    margin-top: 16px;
    font-size: 12px;
    color: #8e97a7;
}

.hero-media img {
    width: 100%;
    border-radius: 28px;
    object-fit: cover;
    box-shadow: 0 24px 70px rgba(33, 79, 141, 0.22);
}

.gpt-section {
    text-align: center;
    margin-bottom: 120px;
}

.gpt-section h2 {
    font-size: 32px;
    margin-bottom: 12px;
}

.section-subtitle {
    color: #5a6377;
    margin-bottom: 40px;
}

.gpt-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(184px, 1fr));
    gap: 24px;
}

.gpt-card {
    background: #f9fbff;
    border-radius: 24px;
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: left;
    box-shadow: inset 0 0 0 1px rgba(82, 120, 255, 0.06);
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    border: 1px solid transparent;
}

.gpt-card:hover,
.gpt-card:focus-visible {
    transform: translateY(-6px) scale(1.01);
    box-shadow:
        0 18px 40px rgba(33, 56, 104, 0.16),
        inset 0 0 0 1px rgba(82, 120, 255, 0.12);
    border-color: rgba(82, 120, 255, 0.4);
    outline: none;
    background: linear-gradient(135deg, rgba(249, 251, 255, 1), rgba(240, 245, 255, 1));
}

.gpt-card h3 {
    font-size: 18px;
    margin: 0;
}

.gpt-card p {
    font-size: 14px;
    color: #627089;
    line-height: 1.5;
    margin: 0;
}

.card-link {
    font-weight: 600;
    color: #1f54ff;
    pointer-events: none;
}

.icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: #eff3ff;
    position: relative;
}

.icon::after {
    content: none
}

.icon.neuro::after {
    border-radius: 50%;
}

.icon.cube::after {
    transform: rotate(45deg);
}

.icon.chart::after {
    border-radius: 4px;
    border-width: 0;
    background: linear-gradient(180deg, rgba(25, 68, 255, 0.18), rgba(25, 68, 255, 0.7));
}

.icon.heart::after {
    border-radius: 0;
    width: 20px;
    height: 18px;
    top: 16px;
    left: 14px;
    background: #1944ff;
    clip-path: path("M10 0c2.1 0 3.6 1.7 3.6 3.8 0 3-3.3 5.3-3.5 5.5l-.1.1-.1-.1c-.2-.2-3.5-2.5-3.5-5.5C6.4 1.7 7.9 0 10 0Z");
}

.icon.brain::after {
    border-radius: 50% 50% 48% 42%;
    border-width: 0;
    background: linear-gradient(135deg, #1f54ff, #7aa5ff);
}

.discover-section {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 48px;
    align-items: flex-start;
    margin-bottom: 120px;
}

.discover-section > h2 {
    grid-column: 1 / -1;
    text-align: center;
    font-size: 32px;
    margin: 0 0 24px;
}

.discover-media {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    height: 100%;
}

.discover-media img {
    width: 100%;
    max-width: 520px;
    border-radius: 28px;
    box-shadow: 0 32px 90px rgba(29, 48, 110, 0.18);
    object-fit: cover;
    margin-top: 56px;
}

.discover-content h2 {
    font-size: 32px;
    margin-bottom: 24px;
}

.accordion {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.accordion-item {
    position: relative;
    padding: 24px 28px;
    border-radius: 24px;
    background: #f6f9ff;
    box-shadow: 0 18px 48px rgba(92, 127, 255, 0.12);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    overflow: hidden;
}

.accordion-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 28px 72px rgba(72, 116, 255, 0.2);
}

.accordion-item.collapsed {
    background: #f6f9ff;
    box-shadow: 0 14px 40px rgba(120, 150, 210, 0.12);
}

.accordion-item header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
    cursor: pointer;
    position: relative;
    z-index: 1;
}

.accordion-item h3 {
    font-size: 18px;
    margin: 0;
}

.accordion-item p {
    margin: 0;
    font-size: 14px;
    color: #5d6881;
    line-height: 1.6;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, margin-top 0.3s ease;
    position: relative;
    z-index: 1;
}

.accordion-item:not(.collapsed) {
    box-shadow: 0 28px 70px rgba(60, 96, 200, 0.2);
}

.accordion-item:not(.collapsed) p {
    margin-top: 10px;
    max-height: 320px;
    opacity: 1;
}

.chevron {
    font-size: 24px;
    color: #1944ff;
    transition: transform 0.25s ease, color 0.25s ease;
}

.accordion-item:not(.collapsed) .chevron {
    transform: rotate(180deg);
    color: #0f3bff;
}

.pricing {
    margin-bottom: 120px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
}

.pricing-header h2 {
    font-size: 32px;
    margin-bottom: 12px;
}

.pricing-header p {
    color: #5d6881;
    margin-bottom: 24px;
}

.segmented-control {
    display: inline-flex;
    padding: 4px;
    border-radius: 999px;
    background: #edf1fa;
    box-shadow: inset 0 0 0 1px rgba(49, 91, 217, 0.12);
    gap: 4px;
}

.segmented-control button {
    padding: 10px 28px;
    border-radius: 999px;
    border: none;
    background: transparent;
    font-weight: 600;
    color: #4f5b74;
    cursor: pointer;
}

.segmented-control button.active {
    background: #ffffff;
    color: #1944ff;
    box-shadow: 0 14px 24px rgba(25, 68, 255, 0.12);
}

.pricing-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.pricing-tabs button {
    padding: 10px 18px;
    border: none;
    border-radius: 14px;
    background: #ecf1ff;
    color: #4f5b74;
    font-weight: 600;
    cursor: pointer;
}

.pricing-tabs button.active {
    background: #1944ff;
    color: #fff;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.pricing-card {
    position: relative;
    background: #ffffff;
    border-radius: 28px;
    padding: 32px 28px;
    box-shadow: 0 30px 60px rgba(35, 62, 140, 0.12);
    border: 1px solid rgba(45, 108, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
    overflow: hidden;
}

.pricing-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, #5f7eff, #9ec3ff);
    opacity: 0;
    transition: opacity 0.25s ease;
    z-index: 0;
}

.pricing-card > * {
    position: relative;
    z-index: 1;
}

.pricing-card:hover {
    transform: translateY(-6px);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 40px 80px rgba(25, 68, 255, 0.35);
}

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

.pricing-card:hover h3,
.pricing-card:hover .price,
.pricing-card:hover .price span,
.pricing-card:hover ul,
.pricing-card:hover ul li {
    color: #ffffff;
}

.pricing-card h3 {
    font-size: 20px;
    margin: 0;
}

.price {
    font-size: 40px;
    font-weight: 700;
    margin: 0;
    color: #1b2a4b;
}

.price span {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #5a6377;
}

.pricing-card ul {
    padding: 0;
    margin: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
    color: #5b657d;
}

.pricing-card button {
    margin-top: auto;
    padding: 14px 18px;
    border-radius: 14px;
    border: none;
    font-weight: 600;
    background: #eff2f8;
    color: #223457;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.pricing-card button.primary {
    background: linear-gradient(135deg, #1944ff, #5f95ff);
    color: #fff;
    box-shadow: 0 22px 40px rgba(25, 68, 255, 0.2);
}

.pricing-card:hover button {
    background: rgba(255, 255, 255, 0.16);
    color: #ffffff;
    box-shadow: none;
}

.pricing-card:hover button.primary {
    background: #ffffff;
    color: #1d46ff;
}

.faq {
    background: linear-gradient(140deg, rgba(255, 255, 255, 0.92), rgba(230, 238, 255, 0.9));
    border-radius: 36px;
    padding: 60px;
    box-shadow: 0 30px 80px rgba(28, 52, 112, 0.12);
}

.faq-header {
    text-align: center;
    margin-bottom: 40px;
}

.faq-header h2 {
    margin: 0 0 12px;
    font-size: 30px;
}

.faq-header p {
    margin: 0;
    color: #5b667c;
    font-size: 16px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(9, 18, 38, 0.55);
    backdrop-filter: blur(10px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.modal-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}

[hidden] .modal-dialog {
    pointer-events: none;
}

.modal-dialog {
    position: relative;
    width: min(440px, 100%);
    padding: 40px;
    border-radius: 28px;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(244, 247, 255, 0.92));
    box-shadow: 0 48px 120px rgba(19, 34, 74, 0.24);
    display: flex;
    flex-direction: column;
    gap: 24px;
    transform: translateY(24px);
    transition: transform 0.25s ease;
}

.modal-backdrop.is-open .modal-dialog {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    border: none;
    background: rgba(255, 255, 255, 0.75);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #1f2b4d;
    cursor: pointer;
    box-shadow: 0 12px 30px rgba(24, 42, 98, 0.16);
}

.modal-header h2 {
    margin: 0 0 6px;
    font-size: 24px;
    letter-spacing: -0.01em;
}

.modal-header p {
    margin: 0;
    color: #536078;
    font-size: 15px;
}

.modal-feedback {
    min-height: 18px;
    font-size: 13px;
    color: #d21e4c;
}

.modal-feedback--inline {
    margin-top: 6px;
}

.modal-feedback.success {
    color: #1c7c44;
}

.modal-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.modal-dialog.is-success .modal-content,
.modal-dialog.is-success .modal-feedback,
.modal-dialog.is-success .modal-feedback--inline,
.modal-dialog.is-success .modal-divider,
.modal-dialog.is-success .google-signup {
    display: none;
}

.modal-success {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    text-align: center;
    padding: 32px 28px;
    border-radius: 26px;
    background: linear-gradient(165deg, rgba(245, 249, 255, 0.98), rgba(227, 238, 255, 0.94));
    box-shadow: inset 0 0 0 1px rgba(121, 146, 233, 0.22), 0 26px 60px rgba(27, 49, 118, 0.18);
}

.modal-dialog.is-success .modal-success {
    display: flex;
}

.modal-success-icon {
    width: 68px;
    height: 68px;
    border-radius: 24px;
    background: linear-gradient(140deg, rgba(40, 90, 255, 0.18), rgba(64, 138, 255, 0.32));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 18px 36px rgba(36, 72, 168, 0.22);
}

.modal-success-icon svg {
    width: 32px;
    height: 32px;
    stroke: #1f54ff;
}

.modal-success-title {
    margin: 0;
    font-size: 22px;
    letter-spacing: -0.01em;
    color: #152042;
}

.modal-success-subtitle {
    margin: 0;
    color: #4c5771;
    font-size: 15px;
    line-height: 1.6;
    max-width: 360px;
}

.modal-success-subtitle span {
    font-weight: 600;
    color: #1f54ff;
}

.modal-success-action {
    padding: 12px 22px;
    border-radius: 999px;
    border: none;
    background: linear-gradient(135deg, #1e4bff, #6aa5ff);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    box-shadow: 0 20px 42px rgba(32, 72, 172, 0.24);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.modal-success-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 48px rgba(32, 72, 172, 0.28);
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-form label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 14px;
    color: #30374b;
}

.modal-form input {
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid rgba(187, 198, 226, 0.9);
    background: rgba(255, 255, 255, 0.94);
    font-size: 15px;
    transition: border 0.2s ease, box-shadow 0.2s ease;
}

.modal-form input:focus {
    outline: none;
    border-color: #1f54ff;
    box-shadow: 0 0 0 4px rgba(31, 84, 255, 0.18);
}

.modal-submit {
    margin-top: 8px;
    padding: 14px 16px;
    border-radius: 16px;
    border: none;
    background: linear-gradient(135deg, #1e4bff, #4f84ff);
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    box-shadow: 0 18px 40px rgba(33, 70, 168, 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.modal-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 48px rgba(33, 70, 168, 0.32);
}

.modal-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: #7a849c;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.modal-divider::before,
.modal-divider::after {
    content: "";
    flex: 1 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(184, 197, 227, 0), rgba(184, 197, 227, 0.8), rgba(184, 197, 227, 0));
}

.google-signup {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(190, 201, 228, 0.9);
    background: rgba(247, 249, 255, 0.9);
    cursor: pointer;
    font-weight: 600;
    color: #1f2b4d;
    font-size: 15px;
    transition: border 0.2s ease, box-shadow 0.2s ease;
}

.google-signup[disabled] {
    opacity: 0.7;
    cursor: not-allowed;
}

.google-signup:hover {
    border-color: rgba(121, 136, 176, 0.9);
    box-shadow: 0 18px 30px rgba(42, 60, 102, 0.14);
}

.google-signup img {
    width: 22px;
    height: 22px;
}

.faq-card {
    position: relative;
    border-radius: 28px;
    padding: 4px;
    background: rgba(255, 255, 255, 0.75);
    box-shadow: inset 0 0 0 1px rgba(45, 108, 255, 0.08);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.faq-card.is-open {
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(45, 108, 255, 0.18);
}

.faq-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 26px 28px;
    border: none;
    background: transparent;
    border-radius: 24px;
    cursor: pointer;
    text-align: left;
}

.faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: linear-gradient(135deg, #1f54ff, #7aa5ff);
    color: #ffffff;
    font-size: 22px;
    font-weight: 600;
    flex-shrink: 0;
    box-shadow: 0 12px 24px rgba(35, 62, 140, 0.25);
}

.faq-meta h3 {
    margin: 0 0 6px;
    font-size: 18px;
}

.faq-meta {
    flex: 1;
}

.faq-meta p {
    margin: 0;
    color: #5d6881;
    font-size: 14px;
}

.faq-chevron {
    margin-left: auto;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(31, 84, 255, 0.12);
    position: relative;
    transition: transform 0.25s ease, background 0.25s ease;
}

.faq-chevron::before,
.faq-chevron::after {
    content: "";
    position: absolute;
    background: #1f54ff;
    border-radius: 1px;
    transition: transform 0.25s ease;
}

.faq-chevron::before {
    width: 10px;
    height: 2px;
    top: 10px;
    left: 6px;
}

.faq-chevron::after {
    width: 2px;
    height: 10px;
    top: 6px;
    left: 10px;
}

.faq-card.is-open .faq-chevron {
    background: rgba(31, 84, 255, 0.2);
    transform: rotate(180deg);
}

.faq-card.is-open .faq-chevron::after {
    transform: scaleY(0);
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    padding: 0 28px;
    color: #4f5b74;
    font-size: 15px;
    line-height: 1.6;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding-top 0.3s ease;
}

.faq-card.is-open .faq-body {
    max-height: 220px;
    padding: 0 28px 24px;
    opacity: 1;
}

.about {
    margin-top: 140px;
    padding: 0 24px 160px;
}

.about-panel {
    max-width: 1080px;
    margin: 0 auto;
    padding: 48px;
    border-radius: 40px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(228, 236, 255, 0.85));
    box-shadow: 0 24px 70px rgba(25, 30, 60, 0.14);
    border: 1px solid rgba(85, 112, 205, 0.18);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.about-panel.is-open {
    transform: translateY(-6px);
    box-shadow: 0 30px 90px rgba(25, 30, 60, 0.18);
}

.about-header {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    align-items: center;
    justify-content: space-between;
}

.about-title h2 {
    margin: 12px 0 8px;
    font-size: 32px;
}

.about-title p {
    margin: 0;
    color: #4b5672;
    max-width: 620px;
}

.eyebrow {
    font-size: 13px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: #6b7ec4;
    margin: 0;
}

.about-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    border-radius: 999px;
    border: 1px solid rgba(93, 115, 205, 0.4);
    background: #fff;
    color: #1f2b4d;
    font-weight: 600;
    cursor: pointer;
    transition: border 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.about-toggle:hover {
    border-color: rgba(93, 115, 205, 0.9);
    box-shadow: 0 14px 30px rgba(93, 115, 205, 0.25);
    transform: translateY(-2px);
}

.about-toggle__chevron {
    width: 16px;
    height: 16px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.2s ease;
}

.about-panel.is-open .about-toggle__chevron {
    transform: rotate(-135deg);
}

.about-body {
    margin-top: 0;
    display: grid;
    gap: 32px;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    align-items: start;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.45s ease, opacity 0.3s ease, margin-top 0.3s ease;
}

.about-panel.is-open .about-body {
    margin-top: 32px;
    opacity: 1;
    max-height: 4000px;
}

.about-content p {
    margin: 0 0 18px;
    color: #3a4160;
    line-height: 1.6;
}

.about-highlights {
    display: grid;
    gap: 18px;
}

.about-highlights article {
    padding: 20px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(148, 164, 230, 0.3);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
}

.highlight-metric {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #25357b;
}

.highlight-label {
    margin: 8px 0 0;
    color: #5b6486;
    font-size: 14px;
}

@media (max-width: 900px) {
    .about-body {
        grid-template-columns: 1fr;
    }
}

.site-footer {
    margin-top: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #7a849b;
    font-size: 14px;
}

.site-footer a {
    margin-left: 18px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 1080px) {
    .page {
        margin: 16px;
        padding: 36px 28px 48px;
    }

    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
    }

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

    .hero-media {
        order: -1;
    }

    .discover-section {
        grid-template-columns: 1fr;
    }

    .discover-media img {
        margin-top: 32px;
        max-width: none;
    }

    .account-menu {
        top: 54px;
        right: 8px;
    }

    .modal-dialog {
        padding: 32px 24px;
    }

    .modal-success {
        padding: 28px 22px;
    }

    .modal-success-title {
        font-size: 20px;
    }

    .modal-success-subtitle {
        font-size: 14px;
    }

    .site-footer {
        flex-direction: column;
        gap: 16px;
    }

    .faq {
        padding: 40px 24px;
    }

    .faq-trigger {
        align-items: flex-start;
        flex-wrap: wrap;
        padding: 22px 20px;
    }

    .faq-icon {
        margin-bottom: 12px;
    }

    .faq-chevron {
        margin-left: 0;
        align-self: flex-end;
    }
}

@media (max-width: 640px) {
    .account-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .account-menu {
        right: auto;
        left: 0;
    }
}

@media (max-width: 480px) {
    .modal-success-title {
        font-size: 18px;
    }

    .modal-success-subtitle {
        font-size: 13px;
    }

    .modal-success-action {
        width: 100%;
    }
}

.icon {
    font-size: 48px;
    color: #66ccff;           /* açık mavi */
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 12px;
    stroke-width: 1.8;        /* çizgi kalınlığı */
  }
  
  /* Lucide ikonlarının SVG stroke rengi */
  .icon svg {
    width: 48px;
    height: 48px;
    stroke: #66ccff;          /* açık mavi */
    fill: none;               /* içi boş */
  }
  
  /* Hover'da biraz parlasın */
  .gpt-card:hover .icon svg {
    stroke: #0099ff;
    transform: scale(1.05);
    transition: 0.3s ease;
  }

.auth-notice[hidden] {
    display: none !important;
}

.auth-notice {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
    background: rgba(18, 24, 48, 0.52);
    backdrop-filter: blur(8px);
    z-index: 120;
}

.auth-notice.is-open .auth-notice__dialog {
    animation: auth-notice-pop 0.28s ease;
}

.auth-notice__dialog {
    position: relative;
    width: min(420px, 100%);
    background: #ffffff;
    border-radius: 28px;
    padding: 36px 32px 32px;
    box-shadow: 0 38px 68px rgba(26, 38, 88, 0.34);
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.auth-notice__close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(238, 240, 255, 0.9);
    color: #1f2555;
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
}

.auth-notice__icon {
    font-size: 30px;
}

.auth-notice__dialog h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    color: #1f2555;
}

.auth-notice__dialog p {
    margin: 0;
    color: #4a5172;
    line-height: 1.5;
}

.auth-notice__form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.auth-notice__form label {
    font-size: 13px;
    font-weight: 600;
    color: #3b426b;
}

.auth-notice__form input {
    border-radius: 16px;
    border: 1px solid rgba(204, 210, 234, 0.95);
    padding: 12px 16px;
    background: rgba(247, 249, 255, 0.95);
    font-size: 14px;
}

.auth-notice__form input:focus {
    outline: 3px solid rgba(73, 108, 255, 0.22);
    border-color: #4f6cff;
    background: #fff;
}

.auth-notice__feedback {
    min-height: 18px;
    font-size: 13px;
    color: #4a5578;
}

.auth-notice__feedback.is-error {
    color: #d13434;
}

.auth-notice__submit {
    margin-top: 4px;
    border: none;
    border-radius: 22px;
    padding: 12px 18px;
    background: linear-gradient(135deg, #275dff, #6f96ff);
    color: #ffffff;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.auth-notice__submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 36px rgba(36, 74, 225, 0.25);
}

.auth-notice__submit:disabled {
    cursor: not-allowed;
    opacity: 0.7;
    box-shadow: none;
}

.auth-notice__footer {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #4a5172;
}

.auth-notice__link {
    border: none;
    background: none;
    color: #2359ff;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
}

.auth-notice__link:hover {
    color: #163ed4;
}

@keyframes auth-notice-pop {
    0% {
        transform: translateY(16px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.auth-notice__dialog--nudge {
    animation: auth-notice-nudge 0.45s ease;
}

@keyframes auth-notice-nudge {
    0% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-6px);
    }
    60% {
        transform: translateY(3px);
    }
    100% {
        transform: translateY(0);
    }
}