:root {
    --primary-color: #0F172A;
    --accent-color: #3B82F6;
    --accent-dark: #2563EB;
    --bg-light: #F8FAFC;
    --text-main: #334155;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --white: #FFFFFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

button,
input,
select,
textarea {
    font: inherit;
}

body {
    background-color: var(--bg-light);
    color: var(--text-main);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 8%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.5px;
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.nav-links .nav-account-btn {
    padding: 0;
    border-radius: 0;
    background: transparent;
    color: var(--text-main);
    box-shadow: none;
}

.nav-links .nav-account-btn:hover,
.nav-links .nav-account-btn[aria-current="page"] {
    background: transparent;
    color: var(--accent-color);
}

.nav-links a:focus-visible,
.cta-btn:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(59, 130, 246, 0.35);
    outline-offset: 3px;
}

.hero {
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.8)), 
                url('https://images.unsplash.com/photo-1497215728101-856f4ea42174?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover;
    color: var(--white);
    padding: 0 2rem;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: #CBD5E1;
    font-weight: 300;
}

.cta-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--accent-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
    background: #2563EB;
}

.services {
    padding: 6rem 8%;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 4rem;
    color: var(--primary-color);
}

.service-cards {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 16px;
    width: 320px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.card .icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.card p {
    line-height: 1.6;
    color: #64748B;
}

.account-center {
    padding: 7rem 8%;
    background:
        radial-gradient(circle at 12% 15%, rgba(59, 130, 246, 0.1), transparent 32%),
        linear-gradient(180deg, #F8FAFC 0%, #EFF6FF 100%);
}

.account-page-body {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

.account-page-body main {
    flex: 1;
}

.account-page {
    min-height: calc(100vh - 86px);
    padding-top: 4.5rem;
}

.account-intro {
    max-width: 720px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.account-intro .section-title {
    margin: 0.65rem 0 1rem;
}

.eyebrow,
.account-step {
    color: var(--accent-dark);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.section-copy,
.account-view-heading > p:last-child,
.questionnaire-copy {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

.account-panel {
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    background: var(--white);
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 24px;
    box-shadow: 0 28px 75px rgba(15, 23, 42, 0.12);
}

.setup-notice {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.4rem;
    background: #FFFBEB;
    border-bottom: 1px solid #FDE68A;
    color: #92400E;
    font-size: 0.92rem;
    line-height: 1.5;
}

.setup-notice[hidden] {
    display: none;
}

.setup-notice strong {
    flex: 0 0 auto;
}

.setup-notice a {
    color: #92400E;
    font-weight: 700;
}

.setup-notice code {
    padding: 0.12rem 0.35rem;
    background: rgba(146, 64, 14, 0.08);
    border-radius: 4px;
}

.account-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 280px;
    color: var(--text-muted);
}

.loading-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-color);
    box-shadow: 0 0 0 rgba(59, 130, 246, 0.45);
    animation: loadingPulse 1.4s infinite;
}

@keyframes loadingPulse {
    70% { box-shadow: 0 0 0 10px rgba(59, 130, 246, 0); }
    100% { box-shadow: 0 0 0 rgba(59, 130, 246, 0); }
}

.account-view {
    padding: 3rem;
}

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

.account-view-heading {
    max-width: 650px;
    margin-bottom: 2rem;
}

.account-view h2,
.account-view h3 {
    margin: 0.4rem 0 0.75rem;
    color: var(--primary-color);
    font-size: clamp(1.65rem, 4vw, 2.2rem);
    letter-spacing: -0.025em;
}

.auth-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.35rem;
    max-width: 440px;
    margin-bottom: 2rem;
    padding: 0.35rem;
    background: #F1F5F9;
    border-radius: 12px;
}

.auth-tab {
    padding: 0.8rem 1rem;
    background: transparent;
    border: 0;
    border-radius: 9px;
    color: var(--text-muted);
    font-weight: 750;
    cursor: pointer;
}

.auth-tab.active {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 3px 10px rgba(15, 23, 42, 0.08);
}

.account-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.field-grid {
    display: grid;
    gap: 1.25rem;
}

.field-grid.two-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-field {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 0.55rem;
    color: var(--primary-color);
    font-size: 0.92rem;
    font-weight: 700;
    text-align: left;
}

.form-field > span small {
    color: var(--text-muted);
    font-weight: 500;
}

.form-field > input,
.form-field > select,
.form-field > textarea {
    width: 100%;
    padding: 0.95rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #FFFFFF;
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 500;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field > textarea {
    resize: vertical;
}

.form-field > input::placeholder,
.form-field > textarea::placeholder {
    color: #94A3B8;
}

.form-field > input:focus,
.form-field > select:focus,
.form-field > textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    outline: none;
}

.form-help {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.5;
}

.form-action-row,
.questionnaire-actions,
.dashboard-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.9rem;
    flex-wrap: wrap;
}

.account-primary-btn,
.account-secondary-btn,
.text-button {
    border-radius: 10px;
    font-weight: 750;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, opacity 0.2s ease;
}

.account-primary-btn,
.account-secondary-btn {
    padding: 0.9rem 1.25rem;
}

.account-primary-btn {
    align-self: flex-end;
    border: 1px solid var(--accent-color);
    background: var(--accent-color);
    color: var(--white);
}

.account-primary-btn:hover:not(:disabled) {
    background: var(--accent-dark);
    transform: translateY(-1px);
}

.account-secondary-btn {
    border: 1px solid var(--border-color);
    background: var(--white);
    color: var(--primary-color);
}

.account-secondary-btn:hover:not(:disabled) {
    border-color: #CBD5E1;
    background: #F8FAFC;
}

.text-button {
    padding: 0.55rem 0;
    border: 0;
    background: transparent;
    color: var(--accent-dark);
}

.text-button:hover:not(:disabled) {
    text-decoration: underline;
}

.account-primary-btn:disabled,
.account-secondary-btn:disabled,
.text-button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.account-status {
    min-height: 1.4rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.account-status.success {
    color: #15803D;
}

.account-status.error {
    color: #B91C1C;
}

.questionnaire-topline,
.dashboard-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
}

.step-badge,
.verification-badge {
    flex: 0 0 auto;
    padding: 0.45rem 0.7rem;
    border-radius: 999px;
    background: #DBEAFE;
    color: #1D4ED8;
    font-size: 0.75rem;
    font-weight: 800;
}

.questionnaire-copy {
    margin-bottom: 2rem;
}

.signup-consent {
    max-width: 720px;
}

.questionnaire-progress {
    width: 100%;
    height: 8px;
    margin: 1.35rem 0 1.1rem;
    overflow: hidden;
    border-radius: 999px;
    background: #E2E8F0;
}

.questionnaire-progress span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--accent-color), #2563EB);
    transition: width 0.35s ease;
}

.questionnaire-guidance,
.question-detail {
    color: var(--text-muted);
    font-size: 0.92rem;
    font-weight: 500;
    line-height: 1.6;
}

.questionnaire-guidance {
    margin: -0.8rem 0 1.6rem;
    padding: 0.8rem 1rem;
    border-left: 3px solid #93C5FD;
    background: #F8FAFC;
}

.wizard-panel {
    min-height: 280px;
}

.wizard-choice-field,
.color-fieldset {
    padding: 0;
    border: 0;
}

.wizard-choice-field legend,
.color-fieldset legend {
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.5;
}

.question-detail {
    margin: -0.25rem 0 1rem;
}

.choice-grid.two-choice {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choice-card.compact-choice {
    min-height: 84px;
}

.context-notice {
    margin: 1.25rem 0;
    padding: 1rem 1.1rem;
    border: 1px solid #BFDBFE;
    border-radius: 12px;
    background: #EFF6FF;
    color: #1E3A8A;
    font-size: 0.95rem;
    font-weight: 650;
    line-height: 1.6;
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.color-choice {
    display: grid;
    grid-template-columns: 54px 1fr;
    align-items: center;
    gap: 0.3rem 0.85rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #FFFFFF;
    color: var(--primary-color);
    cursor: pointer;
}

.color-choice > span {
    grid-column: 1 / -1;
    font-size: 0.9rem;
    font-weight: 800;
}

.color-choice input[type="color"] {
    width: 54px;
    height: 48px;
    padding: 3px;
    border: 1px solid var(--border-color);
    border-radius: 9px;
    background: var(--white);
    cursor: pointer;
}

.color-choice output {
    color: var(--text-muted);
    font-size: 0.84rem;
    font-weight: 750;
}

.platform-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.wizard-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.scheduling-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding: 1.35rem;
    border: 1px solid #BFDBFE;
    border-radius: 16px;
    background: linear-gradient(135deg, #EFF6FF, #F8FAFC);
}

.scheduling-card h3 {
    margin: 0.35rem 0 0.45rem;
    font-size: 1.2rem;
}

.scheduling-card p:last-child {
    color: var(--text-muted);
    line-height: 1.55;
}

.account-primary-btn.is-disabled {
    border-color: #CBD5E1;
    background: #CBD5E1;
    color: #475569;
    cursor: not-allowed;
    pointer-events: none;
}

.service-choices {
    padding: 0;
    border: 0;
}

.service-choices legend {
    margin-bottom: 0.7rem;
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.8rem;
}

.choice-card {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    min-height: 112px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #FFFFFF;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.choice-card:hover {
    border-color: #93C5FD;
    transform: translateY(-1px);
}

.choice-card:has(input:checked) {
    border-color: var(--accent-color);
    background: #EFF6FF;
}

.choice-card input {
    width: 1rem;
    height: 1rem;
    margin-top: 0.2rem;
    accent-color: var(--accent-color);
}

.choice-card span {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.choice-card strong {
    color: var(--primary-color);
    font-size: 0.92rem;
}

.choice-card small {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    line-height: 1.4;
}

.profile-identity {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.profile-initials {
    display: grid;
    width: 54px;
    height: 54px;
    place-items: center;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-dark));
    color: var(--white);
    font-size: 1rem;
    font-weight: 850;
    letter-spacing: 0.04em;
}

.account-email {
    color: var(--text-muted);
    font-size: 0.92rem;
}

.verification-badge.verified {
    background: #DCFCE7;
    color: #15803D;
}

.profile-summary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin: 2.2rem 0 1rem;
}

.profile-summary article,
.challenge-summary {
    padding: 1.2rem;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: #F8FAFC;
}

.profile-summary span,
.challenge-summary span {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--text-muted);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.profile-summary strong {
    color: var(--primary-color);
    font-size: 0.98rem;
    line-height: 1.45;
}

.challenge-summary {
    margin-bottom: 1.5rem;
}

.challenge-summary p {
    color: var(--text-main);
    line-height: 1.65;
    white-space: pre-wrap;
}

.contact {
    padding: 6rem 8%;
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.contact .section-title {
    color: var(--white);
    margin-bottom: 2rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.contact-form .botcheck {
    display: none;
}

.contact-form input, 
.contact-form textarea {
    padding: 1.2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: border-color 0.3s;
}

.contact-form input::placeholder, 
.contact-form textarea::placeholder {
    color: #94A3B8;
}

.contact-form input:focus, 
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.submit-btn {
    padding: 1.2rem;
    background: var(--accent-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s ease;
    margin-top: 1rem;
}

.submit-btn:hover {
    background: #2563EB;
}

.submit-btn:disabled {
    cursor: wait;
    opacity: 0.7;
}

.form-status {
    min-height: 1.5rem;
    color: #CBD5E1;
    font-size: 0.95rem;
    line-height: 1.5;
}

.form-status.success {
    color: #86EFAC;
}

.form-status.error {
    color: #FCA5A5;
}

footer {
    padding: 2rem;
    text-align: center;
    background: #020617;
    color: #64748B;
    font-size: 0.9rem;
}

.fade-in {
    animation: fadeIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

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

.hidden {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.show {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    nav {
        align-items: flex-start;
        gap: 1rem;
        padding: 1.1rem 5%;
    }

    .logo {
        max-width: 150px;
        font-size: 1rem;
        line-height: 1.2;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.83rem;
    }

    .hero-content h1 { font-size: 2.5rem; }
    .hero { height: 80vh; }

    .account-center {
        padding: 5rem 5%;
    }

    .account-view {
        padding: 2rem 1.25rem;
    }

    .setup-notice,
    .questionnaire-topline,
    .dashboard-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .field-grid.two-columns,
    .choice-grid,
    .choice-grid.two-choice,
    .platform-grid,
    .color-grid,
    .profile-summary {
        grid-template-columns: 1fr;
    }

    .choice-card {
        min-height: auto;
    }

    .form-action-row,
    .questionnaire-actions,
    .dashboard-actions {
        align-items: stretch;
        flex-direction: column-reverse;
    }

    .wizard-footer,
    .scheduling-card {
        align-items: stretch;
        flex-direction: column;
    }

    .wizard-footer > .text-button {
        align-self: flex-start;
    }

    .wizard-panel {
        min-height: 0;
    }

    .account-primary-btn,
    .account-secondary-btn {
        width: 100%;
        align-self: stretch;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: 0.7rem;
        font-size: 0.76rem;
    }

    .account-panel {
        border-radius: 18px;
    }

    .auth-tabs {
        max-width: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}