/* Main CSS - Claude/Anthropic Inspired */

/* ===== SECTION STYLES ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 500;
    color: var(--text-heading);
    margin-bottom: var(--space-md);
    line-height: 1.20;
}

.section-subtitle {
    font-family: var(--font-ui);
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 400;
}

/* ===== BENEFITS (editorial list) ===== */
.benefits {
    padding: var(--space-3xl) 0;
    background: var(--parchment);
}

.benefits-container {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.benefits-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.benefits-title {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 500;
    color: var(--text-heading);
    line-height: 1.20;
    margin: 0 0 var(--space-sm);
}

.benefits-subtitle {
    font-family: var(--font-ui);
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Hooks: top 2 principal benefits */
.benefits-hooks {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-2xl);
}

.benefit-hook {
    display: grid;
    grid-template-columns: minmax(110px, 150px) 1fr;
    gap: var(--space-xl);
    align-items: baseline;
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-cream);
}

.benefit-hook-glyph {
    font-family: var(--font-serif);
    font-size: clamp(3.5rem, 9vw, 6rem);
    font-weight: 500;
    line-height: 0.9;
    color: var(--text-heading);
    letter-spacing: -0.02em;
    text-align: left;
}

.benefit-hook-glyph--text {
    font-size: clamp(3.85rem, 10vw, 6.6rem);
    letter-spacing: -0.04em;
}

.benefit-hook-body { min-width: 0; }

.benefit-hook-label {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 500;
    color: var(--text-heading);
    line-height: 1.20;
    margin: 0 0 var(--space-sm);
}

.benefit-hook-text {
    font-family: var(--font-ui);
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin: 0;
    max-width: 60ch;
}

/* Supporting list: bottom 4 benefits */
.benefits-list {
    list-style: none;
    margin: 0 0 var(--space-3xl);
    padding: 0;
}

.benefit-row {
    display: grid;
    grid-template-columns: 56px 160px 1fr;
    gap: var(--space-lg);
    align-items: baseline;
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border-cream);
    transition: transform 0.3s ease;
}

.benefit-row:last-child {
    border-bottom: 1px solid var(--border-cream);
}

.benefit-row:hover {
    transform: translateX(4px);
}

.benefit-row-number {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-muted);
    line-height: 1.20;
    letter-spacing: 0.02em;
}

.benefit-row-label {
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-heading);
    line-height: 1.6;
    transition: color 0.3s ease;
}

.benefit-row:hover .benefit-row-label {
    color: var(--text-dark);
}

.benefit-row-text {
    font-family: var(--font-ui);
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.benefits-cta {
    text-align: center;
    margin-top: var(--space-3xl);
}

@media (prefers-reduced-motion: reduce) {
    .benefit-row,
    .benefit-row-label {
        transition: none;
    }
    .benefit-row:hover {
        transform: none;
    }
}

/* ===== PLATFORM PREVIEW ===== */
.platform-preview {
    padding: var(--space-3xl) 0;
    background: var(--dark-bg);
    color: var(--text-on-dark-bright);
}

.platform-preview .section-title { color: var(--text-on-dark-bright); }
.platform-preview .section-subtitle { color: var(--text-on-dark); }

.platform-demo {
    background: var(--dark-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: var(--space-xl);
    border: 1px solid var(--border-dark);
}

.demo-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-dark);
    padding: var(--space-sm);
    gap: var(--space-xs);
}

.tab-button {
    flex: 1; padding: 10px 16px;
    background: none; border: none; cursor: pointer;
    font-family: var(--font-ui); font-size: 14px; font-weight: 500;
    color: var(--text-on-dark);
    transition: var(--transition);
    border-radius: var(--radius-base);
}
.tab-button:hover { color: var(--text-on-dark-bright); background: rgba(255,255,255,0.04); }
.tab-button.active {
    color: var(--text-on-dark-bright);
    background: rgba(255,255,255,0.08);
}
.tab-button.active::after { display: none; }

.tab-panel { display: none; padding: var(--space-xl); }
.tab-panel.active {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: var(--space-xl); align-items: center;
}

.demo-image img {
    width: 100%; height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-whisper);
}

.demo-description h3 {
    font-family: var(--font-serif);
    font-size: 1.6rem; font-weight: 500;
    color: var(--text-on-dark-bright);
    margin-bottom: var(--space-md);
}
.demo-description p {
    color: var(--text-on-dark);
    margin-bottom: var(--space-md); line-height: 1.6;
}
.demo-description ul { list-style: none; padding: 0; }
.demo-description li {
    padding: 6px 0; color: var(--text-on-dark);
    position: relative; padding-left: 20px; font-size: 15px;
}
.demo-description li::before {
    content: ''; position: absolute; left: 0; top: 14px;
    width: 5px; height: 5px; border-radius: 50%;
    background: var(--coral-accent);
}

.platform-cta {
    text-align: center; margin-top: var(--space-xl);
    display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap;
}
.platform-cta .btn-secondary {
    background: var(--dark-surface);
    color: var(--text-on-dark-bright);
    border: 1px solid var(--border-dark);
    box-shadow: none;
}
.platform-cta .btn-secondary:hover { background: #2a3950; }

/* ===== SOLUTIONS (editorial: 3 hook + 5 supporting) ===== */
.solutions {
    padding: var(--space-3xl) 0;
    background: var(--parchment);
}

.solutions-container {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.solutions-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.solutions-title {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 500;
    color: var(--text-heading);
    line-height: 1.20;
    margin: 0 0 var(--space-sm);
}

.solutions-subtitle {
    font-family: var(--font-ui);
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Hooks: top 3 principal solutions */
.solutions-hooks {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-2xl);
}

.solution-hook {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: var(--space-xl);
    align-items: start;
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-cream);
}

.solution-hook-icon {
    color: var(--text-heading);
    margin-top: 4px;
}

.solution-hook-icon svg {
    display: block;
}

.solution-hook-body {
    min-width: 0;
}

.solution-hook-label {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 500;
    color: var(--text-heading);
    line-height: 1.20;
    margin: 0 0 var(--space-sm);
}

.solution-hook-text {
    font-family: var(--font-ui);
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin: 0 0 var(--space-md);
    max-width: 60ch;
}

.solution-hook-features {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xs) var(--space-lg);
}

.solution-hook-features li {
    font-family: var(--font-ui);
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.5;
    padding-left: var(--space-md);
    position: relative;
}

.solution-hook-features li::before {
    content: '·';
    position: absolute;
    left: 4px;
    top: 0;
    color: var(--text-muted);
    font-weight: 700;
}

/* Supporting list: bottom 5 solutions */
.solutions-list {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: none;
}

.solution-row {
    display: grid;
    grid-template-columns: 56px 200px 1fr;
    gap: var(--space-lg);
    align-items: baseline;
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border-cream);
    transition: transform 0.3s ease;
}

.solution-row:last-child {
    border-bottom: 1px solid var(--border-cream);
}

.solution-row:hover {
    transform: translateX(4px);
}

.solution-row-number {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-muted);
    line-height: 1.20;
    letter-spacing: 0.02em;
}

.solution-row-label {
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-heading);
    line-height: 1.6;
    transition: color 0.3s ease;
}

.solution-row:hover .solution-row-label {
    color: var(--text-dark);
}

.solution-row-text {
    font-family: var(--font-ui);
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
    .solution-row,
    .solution-row-label {
        transition: none;
    }
    .solution-row:hover {
        transform: none;
    }
}

/* ===== SOCIAL PROOF ===== */
.social-proof {
    padding: var(--space-3xl) 0;
    background: var(--ivory);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-xl);
    align-items: stretch;
}

.client-logo {
    display: flex; justify-content: center; align-items: center;
    padding: var(--space-lg) var(--space-md);
    background: var(--white);
    border-radius: var(--radius-base);
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0; transform: scale(0.97);
    min-height: 100px;
    border: 1px solid var(--border-cream);
}
.client-logo a { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; }
.client-logo.animate-in { opacity: 1; transform: scale(1); }
.client-logo:hover { transform: translateY(-2px); box-shadow: var(--shadow-whisper); }

.client-logo img {
    max-width: 100%; max-height: 55px;
    width: auto; height: auto; object-fit: contain;
    opacity: 0.5; transition: var(--transition);
    filter: grayscale(100%);
}
.client-logo:hover img { opacity: 1; filter: grayscale(0%); }

/* ===== CTA SECTION ===== */
.cta-section {
    padding: var(--space-3xl) 0;
    background: var(--dark-bg);
    color: var(--text-on-dark-bright);
}

.cta-content { text-align: center; max-width: 800px; margin: 0 auto; }

.cta-title {
    font-family: var(--font-serif);
    font-size: 2rem; font-weight: 500;
    margin-bottom: var(--space-md);
    line-height: 1.20; color: var(--text-on-dark-bright);
}

.cta-subtitle {
    font-family: var(--font-ui);
    font-size: 1rem; opacity: 0.7;
    margin-bottom: var(--space-xl); line-height: 1.6;
}

.cta-form {
    background: var(--ivory);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-whisper);
}

.demo-form { max-width: 600px; margin: 0 auto; }

.form-row {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: var(--space-md); margin-bottom: var(--space-md);
}

.form-group { display: flex; flex-direction: column; }
.form-group label {
    font-weight: 500; color: var(--text-dark);
    margin-bottom: var(--space-sm); font-size: 14px;
}
.form-group input, .form-group textarea {
    padding: 10px 14px;
    border: 1px solid var(--border-warm);
    border-radius: var(--radius-md);
    font-size: 16px; font-family: var(--font-ui);
    transition: var(--transition-fast);
    color: var(--text-dark); background: var(--white);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--focus-blue);
    box-shadow: 0 0 0 3px rgba(56, 152, 236, 0.15);
}
.form-group input.error, .form-group textarea.error { border-color: #b53333; }
.error-message { color: #b53333; font-size: 14px; margin-top: 4px; }
.form-group textarea { resize: vertical; min-height: 80px; }

.demo-form .btn {
    width: 100%; margin-top: var(--space-md);
    background: var(--primary-color); color: var(--text-on-dark-bright);
}
.demo-form .btn:hover { background: var(--primary-hover); }

.form-result {
    display: none; padding: 14px 18px;
    border-radius: var(--radius-base); margin-top: var(--space-md);
    font-size: 15px; font-weight: 500; text-align: center;
    animation: slideDown 0.3s ease;
}
.form-result.success { background: #e8f5e9; color: #2e7d32; border: 1px solid #c8e6c9; }
.form-result.error { background: #fce4ec; color: #c62828; border: 1px solid #f8bbd0; }

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.trust-badges { display: flex; justify-content: center; gap: var(--space-xl); flex-wrap: wrap; }
.badge { display: flex; align-items: center; gap: 8px; font-size: 14px; opacity: 0.7; }

/* ===== NOTIFICATIONS ===== */
.notification {
    position: fixed; top: 20px; right: 20px; max-width: 400px;
    background: var(--ivory); border-radius: var(--radius-base);
    box-shadow: var(--shadow-whisper); z-index: 9999;
    transform: translateX(100%); opacity: 0; transition: var(--transition);
    border: 1px solid var(--border-cream);
}
.notification.show { transform: translateX(0); opacity: 1; }
.notification-success { border-left: 3px solid #2e7d32; }
.notification-error { border-left: 3px solid #b53333; }
.notification-info { border-left: 3px solid var(--primary-color); }
.notification-content { padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; }
.notification-message { flex: 1; margin-right: 10px; }
.notification-close {
    background: none; border: none; font-size: 1.5rem;
    cursor: pointer; color: var(--text-muted); transition: var(--transition-fast);
}
.notification-close:hover { color: var(--text-dark); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .client-logo {
        transition: none !important; animation: none !important;
        opacity: 1 !important; transform: none !important;
    }
    .section-title { font-size: 1.6rem; }
    .clients-grid { grid-template-columns: repeat(2, 1fr); }
    .tab-panel.active { grid-template-columns: 1fr; gap: var(--space-lg); }
    .demo-tabs { flex-wrap: wrap; }
    .tab-button { flex: 1; min-width: 48%; font-size: 13px; }
    .form-row { grid-template-columns: 1fr; gap: 12px; }
    .cta-title { font-size: 1.6rem; }

    .benefit-hook {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        padding: var(--space-lg) 0;
    }
    .benefit-hook-glyph {
        font-size: clamp(2.75rem, 14vw, 4rem);
    }
    .benefit-row {
        grid-template-columns: auto 1fr;
        grid-template-areas: "number label" "text text";
        column-gap: var(--space-md);
        row-gap: var(--space-xs);
        padding: var(--space-md) 0;
    }
    .benefit-row-number { grid-area: number; }
    .benefit-row-label { grid-area: label; }
    .benefit-row-text { grid-area: text; }

    .solution-hook {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        padding: var(--space-lg) 0;
    }
    .solution-hook-features {
        grid-template-columns: 1fr;
    }
    .solution-row {
        grid-template-columns: auto 1fr;
        grid-template-areas: "number label" "text text";
        column-gap: var(--space-md);
        row-gap: var(--space-xs);
        padding: var(--space-md) 0;
    }
    .solution-row-number { grid-area: number; }
    .solution-row-label { grid-area: label; }
    .solution-row-text { grid-area: text; }
}

@media (max-width: 479px) {
    .section-title { font-size: 1.4rem; }
    .clients-grid { grid-template-columns: 1fr; }
    .cta-form { padding: var(--space-lg) var(--space-md); }
    .cta-title { font-size: 1.4rem; }
    .notification { left: 16px; right: 16px; max-width: none; }
}

.floating-particle { display: none; }

/* ===== PARTNER PAGE ===== */
.partner-benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.partner-benefit-item {
    padding: var(--space-lg);
    background: var(--ivory);
    border-radius: var(--radius-base);
    box-shadow: 0 0 0 1px var(--border-cream);
}

.partner-benefit-item h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-heading);
    line-height: 1.20;
    margin: 0 0 var(--space-sm);
}

.partner-benefit-item p {
    font-family: var(--font-ui);
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .partner-benefits-grid {
        grid-template-columns: 1fr;
    }
}