:root {
    --teal: #0d9488;
    --teal-light: #14b8a6;
    --teal-dark: #0f766e;
    --black: #000000;
    --gray-900: #0a0a0a;
    --gray-800: #171717;
    --gray-700: #262626;
    --gray-600: #404040;
    --gray-500: #525252;
    --gray-400: #737373;
    --gray-300: #a3a3a3;
    --gray-200: #d4d4d4;
    --gray-100: #e5e5e5;
    --white: #ffffff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection {
    background: var(--teal);
    color: var(--white);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-mark {
    width: 32px;
    height: 32px;
    background: var(--teal);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-cta {
    background: var(--white);
    color: var(--black) !important;
    padding: 10px 24px;
    border-radius: 100px;
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--teal);
    color: var(--white) !important;
}

/* Breadcrumb */
.breadcrumb {
    max-width: 1100px;
    margin: 0 auto;
    padding: 130px 24px 0;
}

.breadcrumb a {
    color: var(--gray-500);
    text-decoration: none;
    font-size: 13.5px;
}

.breadcrumb a:hover {
    color: var(--teal-light);
}

/* Use-case hero */
.uc-hero {
    padding: 32px 24px 70px;
    max-width: 1100px;
    margin: 0 auto;
}

.uc-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(13, 148, 136, 0.1);
    border: 1px solid rgba(13, 148, 136, 0.3);
    padding: 7px 16px;
    border-radius: 100px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--teal-light);
    margin-bottom: 24px;
}

.uc-hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 700;
    letter-spacing: -2px;
    line-height: 1.12;
    max-width: 16ch;
    margin-bottom: 20px;
}

.uc-hero h1 span {
    background: linear-gradient(135deg, var(--teal-light) 0%, var(--teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.uc-hero p {
    font-size: 18px;
    color: var(--gray-400);
    max-width: 560px;
    margin-bottom: 32px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--teal);
    color: var(--white);
    padding: 15px 30px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--teal-light);
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(13, 148, 136, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    padding: 15px 30px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    border: 1px solid var(--gray-700);
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    border-color: var(--gray-500);
    background: rgba(255, 255, 255, 0.05);
}

/* Screenshot frame (shared with homepage pattern) */
.shot {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

.shot-frame {
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--gray-800);
    background: var(--gray-900);
    box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.6);
}

.shot-chrome {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 16px;
    background: var(--gray-800);
    border-bottom: 1px solid var(--gray-700);
}

.shot-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-600);
}

.shot-url {
    margin-left: 8px;
    font-size: 12px;
    color: var(--gray-500);
    font-family: 'SF Mono', ui-monospace, monospace;
}

.shot-frame img {
    display: block;
    width: 100%;
    height: auto;
}

.shot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.shot-grid.shot-grid-3 {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.shot-caption {
    text-align: center;
    color: var(--gray-500);
    font-size: 13.5px;
    margin-top: 14px;
}

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

/* Content sections */
.uc-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 70px 24px;
    border-top: 1px solid var(--gray-800);
}

.uc-section-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--teal);
    margin-bottom: 16px;
}

.uc-section h2 {
    font-size: clamp(26px, 3.4vw, 36px);
    font-weight: 700;
    letter-spacing: -1.2px;
    line-height: 1.2;
    margin-bottom: 18px;
}

.uc-section > p.lead {
    font-size: 17px;
    color: var(--gray-400);
    max-width: 65ch;
    margin-bottom: 8px;
}

.uc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.uc-card {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 18px;
    padding: 28px;
}

.uc-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.uc-card p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

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

/* Coming-soon note box */
.uc-note {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: var(--gray-900);
    border: 1px dashed var(--gray-700);
    border-radius: 16px;
    padding: 22px 24px;
    margin-top: 32px;
}

.uc-note-badge {
    flex-shrink: 0;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-400);
    border: 1px solid var(--gray-600);
    border-radius: 100px;
    padding: 4px 12px;
    white-space: nowrap;
    margin-top: 2px;
}

.uc-note p {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.6;
}

/* Related use cases */
.uc-related {
    max-width: 1100px;
    margin: 0 auto;
    padding: 70px 24px 100px;
}

.uc-related h3 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gray-500);
    margin-bottom: 24px;
}

.uc-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.uc-related-card {
    display: block;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 14px;
    padding: 20px;
    text-decoration: none;
    color: var(--white);
    transition: border-color 0.3s ease;
}

.uc-related-card:hover {
    border-color: var(--teal);
}

.uc-related-card span {
    display: block;
    font-size: 14.5px;
    font-weight: 600;
}

.uc-related-card small {
    display: block;
    margin-top: 4px;
    font-size: 12.5px;
    color: var(--gray-500);
}

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

/* Final CTA */
.cta {
    padding: 100px 24px;
    text-align: center;
    border-top: 1px solid var(--gray-800);
}

.cta h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    letter-spacing: -1.5px;
    margin-bottom: 18px;
    line-height: 1.15;
}

.cta p {
    color: var(--gray-400);
    font-size: 17px;
    max-width: 480px;
    margin: 0 auto 36px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer (shared with homepage) */
footer {
    padding: 40px 24px;
    border-top: 1px solid var(--gray-800);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.footer-logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.footer-logo .logo-mark {
    width: 24px;
    height: 24px;
    font-size: 12px;
}

footer p {
    color: var(--gray-500);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--gray-500);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-social {
    display: flex;
    gap: 16px;
    align-items: center;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: var(--teal);
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--gray-400);
    transition: fill 0.3s ease;
}

.social-link:hover svg {
    fill: white;
}

.company-bar {
    background: var(--gray-900);
    border-top: 1px solid var(--gray-800);
    padding: 32px 24px;
}

.company-bar-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.company-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.company-name {
    color: var(--gray-300);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.company-name span {
    color: var(--teal-light);
}

.company-address {
    color: var(--gray-500);
    font-size: 12px;
    line-height: 1.5;
}

.company-copyright {
    color: var(--gray-600);
    font-size: 11px;
    margin-top: 16px;
}

/* Mobile menu (shared minimal behavior) */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    margin: 6px 0;
    border-radius: 2px;
}

@media (max-width: 968px) {
    nav { padding: 16px 24px; }
    .nav-links { display: none; }
}

/* WhatsApp floating button */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 24px rgba(37, 211, 102, 0.4);
    z-index: 99;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: white;
}

@media (max-width: 968px) {
    .whatsapp-float {
        bottom: 16px;
        right: 16px;
        width: 56px;
        height: 56px;
    }
    .breadcrumb { padding-top: 90px; }
}