:root {
    --c1: #00c8ff;
    --c2: #5a4fff;
    --c3: #c93cff;
    --grad: linear-gradient(135deg, var(--c1) 0%, var(--c2) 50%, var(--c3) 100%);
    --vz-border: rgba(148, 163, 184, 0.15);
    --vz-border-strong: rgba(20, 212, 255, 0.24);
    --vz-shadow: 0 30px 100px rgba(0, 0, 0, 0.35);
    --vz-muted: #9aa7bb;
    --vz-muted-2: #6f7b91;
    --vz-green: #48df86;
    --vz-text: #f8fafc;
    --vz-cyan: #13c8ff;
    --vz-purple: #985cff;
    --vz-blue: #4f7cff;
    --vz-magenta: #ca3cff;
    --vz-gradient: linear-gradient(135deg, var(--vz-cyan), var(--vz-blue) 48%, var(--vz-magenta));
}

body {
    transition: background-color 0.5s ease, color 0.5s ease;
    overflow-x: hidden;
}

/* Glow backgrounds */
.glow-bg {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.15;
    transition: opacity 0.5s ease;
}

.dark .glow-bg {
    opacity: 0.3;
}

.glow-bg.cyan {
    background: #00c8ff;
    width: 400px;
    height: 400px;
    top: -100px;
    left: -100px;
}

.glow-bg.purple {
    background: #c93cff;
    width: 500px;
    height: 500px;
    bottom: 10%;
    right: -200px;
    animation-delay: -5s;
}

.glow-bg.blue {
    background: #5a4fff;
    width: 300px;
    height: 300px;
    top: 40%;
    left: 30%;
    animation-delay: -10s;
}

/* Grid Pattern */
.bg-grid {
    background-image: linear-gradient(to right, rgba(0,0,0,0.03) 1px, transparent 1px), linear-gradient(to bottom, rgba(0,0,0,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

.dark .bg-grid {
    background-image: linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px), linear-gradient(to bottom, rgba(255,255,255,0.02) 1px, transparent 1px);
}

/* Glassmorphism */
.glass-panel {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.dark .glass-panel {
    background: rgba(18, 21, 40, 0.4);
    box-shadow: none;
}

.glass-panel:hover {
    border-color: rgba(0, 200, 255, 0.4);
    box-shadow: 0 10px 40px -10px rgba(0, 200, 255, 0.15);
    transform: translateY(-5px);
}

.glass-panel-static {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.dark .glass-panel-static {
    background: rgba(18, 21, 40, 0.4);
    box-shadow: none;
}

/* Gradient text & buttons */
.text-gradient {
    background: linear-gradient(90deg, #00c8ff, #c93cff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-gradient {
    background: linear-gradient(90deg, #00c8ff, #5a4fff, #c93cff, #00c8ff);
    background-size: 300% auto;
    transition: 0.5s;
}

    .btn-gradient:hover {
        background-position: right center;
        box-shadow: 0 0 20px rgba(90, 79, 255, 0.4);
    }

/* Reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease-out;
}

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

/* Navbar */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 4px 30px rgba(0,0,0,0.03);
}

.dark .navbar-scrolled {
    background: rgba(8, 10, 20, 0.85) !important;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    box-shadow: none;
}

.dark .langs {
    background-color: rgb(255, 255, 255 / 0.05);
    color: rgb(0 200 255 / var (--tw-text-opacity, 1));
    --tw-text-opacity: 1;
}

/* Marquee */
.marquee-wrapper {
    display: flex;
    width: 200%;
}

/* Sectors */
.sector-card {
    flex: 1;
    transition: flex 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    overflow: hidden;
    position: relative;
}

    .sector-card:hover {
        flex: 2.5;
    }

.sector-content {
    max-height: 0;
    opacity: 0;
    transition: max-height 0.6s ease, opacity 0.5s ease, margin-top 0.4s ease;
}

.sector-card:hover .sector-content {
    max-height: 150px;
    opacity: 1;
    margin-top: 1rem;
}

.cust-av {
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
    background: var(--grad);
}

/* === NEW SECTIONS STYLES === */

/* Problem-Solution Comparison */
.comparison-card {
    position: relative;
    overflow: hidden;
}

    .comparison-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
    }

.comparison-old::before {
    background: linear-gradient(90deg, #ef4444, #f97316);
}

.comparison-new::before {
    background: var(--grad);
}

/* Architecture flow */
.arch-step {
    position: relative;
}

    .arch-step::after {
        content: '';
        position: absolute;
        top: 50%;
        right: -0.8rem;
        width: 0.7rem;
        height: 2px;
        background: linear-gradient(90deg, var(--c1), var(--c3));
        display: none;
    }

@media(min-width: 768px) {
    .arch-step:not(:last-child)::after {
        display: block;
    }
}

/* Module tabs */
.module-tab {
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

    .module-tab:hover, .module-tab.active {
        border-left-color: var(--c1);
        background: rgba(0, 200, 255, 0.05);
    }

.dark .module-tab:hover, .dark .module-tab.active {
    background: rgba(0, 200, 255, 0.08);
}

.module-content {
    display: none;
}

    .module-content.active {
        display: block;
        animation: fadeIn 0.4s ease;
    }

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Stylized mockup */
.mockup-screen {
    background: #0c1021;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.08);
    overflow: hidden;
    box-shadow: 0 25px 60px -12px rgba(0,0,0,0.5);
}

.mockup-topbar {
    background: linear-gradient(90deg, rgba(0,200,255,0.15), rgba(90,79,255,0.15));
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.mockup-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

/* Brain terminal */
.brain-terminal {
    background: #0a0e1a;
    border: 1px solid rgba(0,200,255,0.2);
    border-radius: 16px;
    overflow: hidden;
    font-family: 'DM Sans', monospace;
}

.brain-terminal-header {
    background: linear-gradient(90deg, rgba(0,200,255,0.1), rgba(201,60,255,0.1));
    padding: 12px 20px;
    border-bottom: 1px solid rgba(0,200,255,0.15);
    display: flex;
    align-items: center;
    gap: 10px;
}

.typing-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--c1);
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
    margin-left: 2px;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

/* ROI counter */
.roi-number {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Smooth scroll anchor offset */
section[id] {
    scroll-margin-top: 80px;
}

/* MVC sayfa izolasyonu */
html, body {
    min-height: 100%;
}

/* üst Dashboard*/
[data-vz-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 700ms ease, transform 700ms ease;
}

    [data-vz-reveal].is-visible {
        opacity: 1;
        transform: translateY(0);
    }

.vz-hero-visual {
    position: relative;
    width: min(760px, 100%);
}

.vz-orbit-card {
    position: relative;
    padding: 22px;
    border: 1px solid var(--vz-border-strong);
    border-radius: 30px;
    background: radial-gradient(circle at 20% 10%, rgba(19, 200, 255, 0.16), transparent 28rem), radial-gradient(circle at 90% 18%, rgba(202, 60, 255, 0.18), transparent 28rem), var(--vz-surface);
    box-shadow: var(--vz-shadow);
    overflow: hidden;
}

    .vz-orbit-card::before {
        content: "";
        position: absolute;
        inset: auto -20% -38% 32%;
        height: 260px;
        background: radial-gradient(circle, rgba(202, 60, 255, 0.32), transparent 64%);
    }

.vz-orbit-top,
.vz-brain-top,
.vz-window-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--vz-muted);
    font-weight: 850;
    margin-bottom: 18px;
}

    .vz-orbit-top em,
    .vz-brain-top span {
        font-style: normal;
        color: var(--vz-green);
        font-size: 0.82rem;
    }

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

.vz-live-kpi,
.vz-mini-kpi {
    padding: 18px;
    border: 1px solid var(--vz-border);
    background: rgba(10, 18, 34, 0.62);
    border-radius: 18px;
}

    .vz-live-kpi span,
    .vz-mini-kpi span {
        color: var(--vz-muted-2);
        font-size: 0.78rem;
        font-weight: 850;
    }

    .vz-live-kpi strong,
    .vz-mini-kpi strong {
        display: block;
        margin-top: 6px;
        font-size: 1.7rem;
        color: var(--vz-text);
        letter-spacing: -0.06em;
    }

    .vz-live-kpi small,
    .vz-mini-kpi small {
        color: var(--vz-green);
        font-weight: 900;
    }

.vz-chart-card {
    position: relative;
    height: 250px;
    margin-top: 16px;
    border: 1px solid var(--vz-border);
    border-radius: 22px;
    background: linear-gradient(rgba(148, 163, 184, 0.055) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 163, 184, 0.055) 1px, transparent 1px);
    background-size: 40px 40px;
    overflow: hidden;
}

.vz-chart-line {
    position: absolute;
    left: 8%;
    right: 7%;
    height: 90px;
    border-top: 4px solid var(--vz-cyan);
    border-radius: 50%;
    top: 58px;
    transform: rotate(-7deg);
    opacity: 0.9;
}

    .vz-chart-line.second {
        border-color: var(--vz-purple);
        top: 92px;
        transform: rotate(-3deg);
    }

    .vz-chart-line.third {
        border-color: var(--vz-blue);
        top: 124px;
        transform: rotate(4deg);
    }

.vz-chart-bars {
    position: absolute;
    left: 8%;
    right: 8%;
    bottom: 20px;
    height: 98px;
    display: flex;
    align-items: flex-end;
    gap: 13px;
}

    .vz-chart-bars span {
        flex: 1;
        border-radius: 10px 10px 0 0;
        background: var(--vz-gradient);
        opacity: 0.76;
    }

.vz-flow-strip {
    margin-top: 16px;
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
    gap: 10px;
    color: var(--vz-muted);
    font-weight: 900;
}

    .vz-flow-strip span {
        text-align: center;
        padding: 12px;
        border-radius: 14px;
        background: rgba(148, 163, 184, 0.07);
        border: 1px solid var(--vz-border);
    }

    .vz-flow-strip i {
        color: var(--vz-cyan);
        font-style: normal;
    }