/* ═══════════════════════════════════
   SECTION 1 — HERO
═══════════════════════════════════ */
#hero {
    position: relative;
    z-index: 1;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(18, 73, 164, 0.25) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 10% 80%, rgba(0, 194, 255, 0.08) 0%, transparent 50%);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
}

.hero-badge-text {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cyan);
}

.hero-title {
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-mid);
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-ctas {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.hero-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--r);
    padding: 16px;
    transition: all 0.3s var(--ease);
}

.hero-card:hover {
    border-color: rgba(0, 194, 255, 0.25);
    background: rgba(0, 194, 255, 0.05);
}

.hero-card-title {
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--cyan);
    margin-bottom: 4px;
}

.hero-card-desc {
    font-size: 0.78rem;
    color: var(--text-dim);
    line-height: 1.5;
}

.hero-visual {
    position: relative;
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 60px rgba(18, 73, 164, 0.3);
    aspect-ratio: 4/3;
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-visual-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(18, 73, 164, 0.15), transparent 60%);
    pointer-events: none;
}

.hero-sparkle {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 28px;
    height: 28px;
    color: var(--cyan);
    opacity: 0.6;
}

/* ═══════════════════════════════════
   SECTION 2 — PHOTO STRIP + ABOUT
═══════════════════════════════════ */
#about {
    position: relative;
    z-index: 1;
}

.about-photo-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 60px 0 0;
}

.about-photo {
    border-radius: var(--r-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    position: relative;
}

.about-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease);
}

.about-photo:hover img {
    transform: scale(1.03);
}

.about-content {
    padding: 60px 0;
    background: linear-gradient(180deg, transparent, rgba(7, 20, 40, 0.6) 30%, rgba(7, 20, 40, 0.8) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h2 {
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 32px;
}

.about-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.about-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--r-lg);
    padding: 24px;
    transition: all 0.3s var(--ease);
}

.about-card:hover {
    border-color: rgba(0, 194, 255, 0.25);
    transform: translateX(4px);
}

.about-card h3 {
    color: var(--text-white);
    margin-bottom: 8px;
}

.about-card p {
    font-size: 0.88rem;
    color: var(--text-dim);
    margin: 0;
}

/* ═══════════════════════════════════
   SECTION 3 — HOW IT WORKS
═══════════════════════════════════ */
#how {
    position: relative;
    z-index: 1;
    padding: 100px 0;
    background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(0, 194, 255, 0.05) 0%, transparent 70%);
}

.how-header {
    margin-bottom: 56px;
    max-width: 640px;
}

.how-header h2 {
    margin-bottom: 16px;
}

.how-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.how-step {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: 32px 28px;
    transition: all 0.35s var(--ease);
    position: relative;
    overflow: hidden;
}

.how-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 194, 255, 0.4), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.how-step:hover {
    border-color: rgba(0, 194, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.5);
}

.how-step:hover::before {
    opacity: 1;
}

.step-num {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(0, 194, 255, 0.12);
    border: 1px solid rgba(0, 194, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 900;
    color: var(--cyan);
    margin-bottom: 20px;
}

.how-step h3 {
    font-size: 1rem;
    color: var(--text-white);
    margin-bottom: 12px;
}

.how-step p {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin: 0;
    line-height: 1.65;
}

/* ═══════════════════════════════════
   SECTION 4 — AI DOCUMENTATION
═══════════════════════════════════ */
#aidoc {
    position: relative;
    z-index: 1;
    padding: 100px 0;
}

.aidoc-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.aidoc-visual {
    border-radius: var(--r-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(18, 73, 164, 0.25);
    position: relative;
}

.aidoc-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.aidoc-content h2 {
    margin-bottom: 20px;
}

.aidoc-content p {
    margin-bottom: 36px;
}

.aidoc-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.aidoc-feat {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(0, 194, 255, 0.05);
    border: 1px solid rgba(0, 194, 255, 0.15);
    border-radius: var(--r);
    padding: 14px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-mid);
    transition: all 0.25s var(--ease);
}

.aidoc-feat:hover {
    background: rgba(0, 194, 255, 0.1);
    border-color: rgba(0, 194, 255, 0.3);
    color: var(--text-bright);
}

.aidoc-feat svg {
    flex-shrink: 0;
    color: var(--cyan);
}

/* ═══════════════════════════════════
   SECTION 5 — PROVIDER VIEW
═══════════════════════════════════ */
#provider-view {
    position: relative;
    z-index: 1;
    padding: 100px 0;
    background: radial-gradient(ellipse 70% 50% at 80% 50%, rgba(18, 73, 164, 0.2) 0%, transparent 65%);
}

.pv-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.pv-content h2 {
    margin-bottom: 20px;
}

.pv-content p {
    margin-bottom: 36px;
}

.pv-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.pv-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-lg);
    padding: 20px;
    transition: all 0.3s var(--ease);
}

.pv-card:hover {
    border-color: rgba(0, 194, 255, 0.25);
    transform: translateY(-2px);
}

.pv-card h4 {
    color: var(--text-white);
    margin-bottom: 6px;
    font-size: 0.92rem;
}

.pv-card p {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin: 0;
}

.pv-visual {
    border-radius: var(--r-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.pv-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ═══════════════════════════════════
   SECTION 6 — BENEFITS
═══════════════════════════════════ */
#benefits {
    position: relative;
    z-index: 1;
    padding: 100px 0;
    background: radial-gradient(ellipse 60% 50% at 20% 60%, rgba(0, 212, 170, 0.07) 0%, transparent 60%);
}

.benefits-header {
    margin-bottom: 56px;
    max-width: 600px;
}

.benefits-header h2 {
    margin-bottom: 16px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.benefit-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: 32px 26px;
    transition: all 0.35s var(--ease);
    position: relative;
    overflow: hidden;
}

.benefit-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.benefit-card:hover {
    border-color: rgba(0, 194, 255, 0.2);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.benefit-card:hover::after {
    opacity: 1;
}

.benefit-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(0, 194, 255, 0.1);
    border: 1px solid rgba(0, 194, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    margin-bottom: 20px;
}

.benefit-card h3 {
    color: var(--text-white);
    margin-bottom: 12px;
    font-size: 1rem;
}

.benefit-card p {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin: 0;
    line-height: 1.65;
}

/* ═══════════════════════════════════
   SECTION 7 — USE CASES
═══════════════════════════════════ */
#usecases {
    position: relative;
    z-index: 1;
    padding: 100px 0;
}

.uc-header {
    margin-bottom: 56px;
    max-width: 640px;
}

.uc-header h2 {
    margin-bottom: 16px;
}

.uc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.uc-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: 36px 32px;
    transition: all 0.35s var(--ease);
    position: relative;
    overflow: hidden;
}

.uc-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--cyan), var(--teal));
    opacity: 0;
    transition: opacity 0.3s;
}

.uc-card:hover {
    border-color: rgba(0, 194, 255, 0.25);
    transform: translateX(4px);
}

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

.uc-card h3 {
    color: var(--text-white);
    margin-bottom: 14px;
    font-size: 1.1rem;
}

.uc-card p {
    font-size: 0.88rem;
    color: var(--text-dim);
    margin: 0;
    line-height: 1.7;
}

/* ═══════════════════════════════════
   SECTION 8 — AI + HUMAN CARE
═══════════════════════════════════ */
#human-care {
    position: relative;
    z-index: 1;
    padding: 100px 0;
    background: radial-gradient(ellipse 70% 60% at 10% 50%, rgba(18, 73, 164, 0.18) 0%, transparent 60%);
}

.hc-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.hc-visual {
    border-radius: var(--r-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.hc-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hc-content h2 {
    margin-bottom: 16px;
}

.hc-content>p {
    margin-bottom: 32px;
}

.hc-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hc-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(0, 194, 255, 0.04);
    border: 1px solid rgba(0, 194, 255, 0.12);
    border-radius: var(--r);
    padding: 14px 18px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-mid);
    transition: all 0.25s var(--ease);
}

.hc-item:hover {
    background: rgba(0, 194, 255, 0.09);
    color: var(--text-bright);
    transform: translateX(4px);
}

.hc-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cyan);
    flex-shrink: 0;
    box-shadow: 0 0 8px rgba(0, 194, 255, 0.6);
}

/* ═══════════════════════════════════
   SECTION 9 — SAFETY & PRIVACY
═══════════════════════════════════ */
#safety {
    position: relative;
    z-index: 1;
    padding: 100px 0;
}

.safety-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: start;
}

.safety-content h2 {
    margin-bottom: 16px;
}

.safety-content>p {
    margin-bottom: 40px;
}

.safety-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.safety-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: 28px 26px;
    transition: all 0.3s var(--ease);
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.safety-card:hover {
    border-color: rgba(0, 194, 255, 0.25);
    transform: translateY(-3px);
}

.safety-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    flex-shrink: 0;
    background: rgba(0, 194, 255, 0.1);
    border: 1px solid rgba(0, 194, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
}

.safety-card-body h3 {
    color: var(--text-white);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.safety-card-body p {
    font-size: 0.83rem;
    color: var(--text-dim);
    margin: 0;
    line-height: 1.6;
}

.safety-visual {
    border-radius: var(--r-xl);
    overflow: hidden;
    aspect-ratio: 3/4;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    position: sticky;
    top: 100px;
}

.safety-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ═══════════════════════════════════
   SECTION 10 — PROVIDERS IN ACTION
═══════════════════════════════════ */
#in-action {
    position: relative;
    z-index: 1;
    padding: 100px 0;
    background: radial-gradient(ellipse 60% 50% at 50% 30%, rgba(0, 194, 255, 0.05) 0%, transparent 70%);
}

.ia-header {
    margin-bottom: 48px;
}

.ia-header h2 {
    margin-bottom: 16px;
}

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

.ia-photo {
    border-radius: var(--r-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    position: relative;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.ia-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease);
}

.ia-photo:hover img {
    transform: scale(1.05);
}

.ia-photo-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(2, 8, 23, 0.5) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s;
}

.ia-photo:hover .ia-photo-overlay {
    opacity: 1;
}

/* ═══════════════════════════════════
   SECTION 11 — WHO CAN USE + CTA
═══════════════════════════════════ */
#who-cta {
    position: relative;
    z-index: 1;
    padding: 100px 0 120px;
}

.who-header {
    margin-bottom: 40px;
}

.who-header h2 {
    margin-bottom: 16px;
}

.who-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 64px;
}

.who-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: 28px 22px;
    transition: all 0.35s var(--ease);
}

.who-card:hover {
    border-color: rgba(0, 194, 255, 0.25);
    transform: translateY(-6px);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.5);
}

.who-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(0, 194, 255, 0.1);
    border: 1px solid rgba(0, 194, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    margin-bottom: 16px;
}

.who-card h3 {
    color: var(--text-white);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.who-card p {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin: 0;
    line-height: 1.6;
}

/* CTA Block */
.cta-block {
    background: linear-gradient(135deg, rgba(18, 73, 164, 0.25), rgba(0, 194, 255, 0.1));
    border: 1px solid rgba(0, 194, 255, 0.2);
    border-radius: var(--r-xl);
    padding: 56px 48px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.cta-block::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(0, 194, 255, 0.08);
    filter: blur(40px);
}

.cta-content h2 {
    margin-bottom: 14px;
}

.cta-content p {
    font-size: 1rem;
    color: var(--text-mid);
    margin: 0;
    max-width: 520px;
}

.cta-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-end;
}

.cta-visual {
    position: absolute;
    right: 200px;
    top: 0;
    bottom: 0;
    width: 200px;
    opacity: 0.4;
    display: none;
}

/* ═══════════════════════════════════
   FOOTER
═══════════════════════════════════ */
footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--glass-border);
    padding: 40px 0 24px;
    background: rgba(2, 8, 23, 0.8);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-brand {
    font-weight: 800;
    font-size: 1rem;
    color: var(--text-white);
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 0.8rem;
    color: var(--text-dim);
    transition: color 0.2s;
}

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

/* ═══════════════════════════════════
   RESPONSIVE
═══════════════════════════════════ */
@media (max-width: 1060px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 20px 0 0;
    }

    .hero-visual {
        order: -1;
        max-height: 340px;
        aspect-ratio: auto;
    }

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

    .about-photo-strip {
        grid-template-columns: 1fr 1fr 1fr;
    }

    .how-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .aidoc-inner {
        grid-template-columns: 1fr;
    }

    .aidoc-visual {
        order: -1;
    }

    .pv-inner {
        grid-template-columns: 1fr;
    }

    .pv-visual {
        order: -1;
    }

    .hc-inner {
        grid-template-columns: 1fr;
    }

    .hc-visual {
        order: -1;
    }

    .safety-inner {
        grid-template-columns: 1fr;
    }

    .safety-visual {
        order: -1;
        position: static;
        max-height: 340px;
    }

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

    .cta-block {
        grid-template-columns: 1fr;
    }

    .cta-actions {
        flex-direction: row;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .nav-actions .btn {
        display: none;
    }

    #hero {
        padding: 100px 0 60px;
    }

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

    .how-steps {
        grid-template-columns: 1fr;
    }

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

    .aidoc-features {
        grid-template-columns: 1fr;
    }

    .pv-cards {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 600px) {
    .about-photo-strip {
        grid-template-columns: 1fr;
    }

    .about-photo:nth-child(2),
    .about-photo:nth-child(3) {
        display: none;
    }

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

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

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

    .cta-block {
        padding: 36px 24px;
    }

    .hero-ctas {
        flex-direction: column;
    }

    .hero-ctas .btn {
        width: 100%;
        justify-content: center;
    }

    .cta-actions {
        flex-direction: column;
        width: 100%;
    }

    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 420px) {
    .who-grid {
        grid-template-columns: 1fr;
    }

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