/* ============================================================
   CYB CORE LLC — Futuristic Design System
   ============================================================ */

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* === DESIGN TOKENS === */
:root {
    /* Backgrounds */
    --bg:        #01020c;
    --bg-raised: #060a18;
    --bg-card:   rgba(8, 13, 32, 0.96);
    --bg-card-2: rgba(12, 18, 44, 0.94);

    /* Accent palette */
    --cyan:        #00d4ff;
    --cyan-soft:   rgba(0, 212, 255, 0.10);
    --cyan-med:    rgba(0, 212, 255, 0.22);
    --purple:      #7c5aff;
    --purple-soft: rgba(124, 90, 255, 0.10);
    --green:       #00ffb3;
    --green-soft:  rgba(0, 255, 179, 0.07);

    /* Borders */
    --border:        rgba(0, 212, 255, 0.10);
    --border-md:     rgba(0, 212, 255, 0.22);
    --border-bright: rgba(0, 212, 255, 0.50);

    /* Text */
    --text:   #edf3ff;
    --text-2: #7a8faa;

    /* Radius */
    --r:      22px;
    --r-lg:   32px;
    --r-pill: 999px;

    /* Shadows */
    --shadow:        0 20px 64px rgba(0, 4, 18, 0.65);
    --shadow-cyan:   0 0 40px rgba(0, 212, 255, 0.18), 0 20px 64px rgba(0, 4, 18, 0.55);
    --shadow-purple: 0 0 40px rgba(124, 90, 255, 0.18), 0 20px 64px rgba(0, 4, 18, 0.55);

    font-family: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
}

/* === BASE === */
html { scroll-behavior: smooth; }

body {
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.65;
    background:
        radial-gradient(ellipse 65% 45% at 10% 0%,   rgba(0, 212, 255, 0.07) 0%, transparent 55%),
        radial-gradient(ellipse 55% 40% at 88% 6%,   rgba(124, 90, 255, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse 45% 35% at 50% 100%, rgba(0, 255, 179, 0.04) 0%, transparent 45%),
        radial-gradient(rgba(0, 212, 255, 0.028) 1px, transparent 1px),
        var(--bg);
    background-size: 100% 100%, 100% 100%, 100% 100%, 44px 44px, 100%;
    background-attachment: fixed, fixed, fixed, fixed, fixed;
}

/* Subtle scanline overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent 0px,
        transparent 3px,
        rgba(0, 0, 0, 0.025) 3px,
        rgba(0, 0, 0, 0.025) 4px
    );
    z-index: 9999;
}

img, video { max-width: 100%; display: block; }

a {
    color: var(--cyan);
    text-decoration: none;
    transition: color 0.2s;
}
a:hover { color: var(--green); }

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

/* === LAYOUT === */
.container {
    width: min(1200px, 100% - 2rem);
    margin: 0 auto;
}

section {
    padding: 6rem 0;
    position: relative;
    z-index: 1;
}

.grid   { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* === SCROLL PROGRESS === */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: linear-gradient(90deg, var(--cyan), var(--purple), var(--green));
    z-index: 9000;
    transition: width 0.08s linear;
    box-shadow: 0 0 10px var(--cyan);
    border-radius: 0 2px 2px 0;
}

/* === HEADER === */
header {
    position: sticky;
    top: 0;
    z-index: 500;
    background: rgba(1, 2, 12, 0.88);
    backdrop-filter: blur(28px) saturate(1.5);
    -webkit-backdrop-filter: blur(28px) saturate(1.5);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.1rem 0;
    width: min(1200px, 100% - 2rem);
    margin: 0 auto;
}

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--cyan);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.35);
    flex-shrink: 0;
    transition: text-shadow 0.2s;
}
.logo:hover {
    color: var(--cyan);
    text-shadow: 0 0 35px rgba(0, 212, 255, 0.65);
}

nav ul {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    list-style: none;
}

nav a {
    color: var(--text-2);
    font-weight: 600;
    font-size: 0.92rem;
    letter-spacing: 0.03em;
    transition: color 0.2s, text-shadow 0.2s;
    position: relative;
    padding-bottom: 2px;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--cyan);
    box-shadow: 0 0 6px var(--cyan);
    transition: width 0.3s ease;
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

nav a:hover,
nav a.active {
    color: var(--text);
    text-shadow: 0 0 12px rgba(0, 212, 255, 0.3);
}

/* Hamburger */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 1.75rem;
    height: 1.25rem;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
    z-index: 600;
    flex-shrink: 0;
}

.menu-toggle span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--cyan);
    box-shadow: 0 0 6px rgba(0, 212, 255, 0.5);
    transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s;
}

.menu-toggle.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* Mobile nav overlay */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 440;
    backdrop-filter: blur(4px);
}
.nav-overlay.show { display: block; }

/* Header CTA */
.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.35rem;
    white-space: nowrap;
    font-size: 0.82rem;
}

/* === BUTTONS === */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--r-pill);
    font-weight: 700;
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.button::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.10), transparent 60%);
    opacity: 0;
    transition: opacity 0.25s;
}
.button:hover::after { opacity: 1; }
.button:hover { transform: translateY(-3px); }
.button:active { transform: translateY(0); }

.button-primary {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--purple) 100%);
    color: #01020c;
    box-shadow: 0 10px 36px rgba(0, 212, 255, 0.22);
}
.button-primary:hover {
    box-shadow: 0 16px 50px rgba(0, 212, 255, 0.40), 0 0 22px rgba(0, 212, 255, 0.3);
    color: #01020c;
}

.button-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    border-color: var(--border-md);
}
.button-secondary:hover {
    background: var(--cyan-soft);
    border-color: var(--cyan);
    color: var(--cyan);
    box-shadow: 0 0 22px rgba(0, 212, 255, 0.15);
}

/* === EYEBROW === */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    color: var(--cyan);
    opacity: 0.85;
}

.eyebrow::before {
    content: '';
    display: block;
    width: 18px;
    height: 1px;
    background: var(--cyan);
    box-shadow: 0 0 8px var(--cyan);
    flex-shrink: 0;
}

/* === SECTION TITLE === */
.section-title {
    display: grid;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.section-title h2 {
    font-size: clamp(2rem, 3vw, 3rem);
    font-weight: 700;
    line-height: 1.06;
    letter-spacing: -0.025em;
}

.section-title p {
    color: var(--text-2);
    max-width: 680px;
    line-height: 1.82;
    font-size: 1.04rem;
}

/* === HERO === */
.hero {
    min-height: calc(100vh - 72px);
    display: grid;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 4rem 0;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 55% 50% at 8% 8%,    rgba(0, 212, 255, 0.12), transparent),
        radial-gradient(ellipse 45% 40% at 92% 18%,  rgba(124, 90, 255, 0.09), transparent),
        radial-gradient(ellipse 35% 35% at 50% 75%,  rgba(0, 255, 179, 0.05), transparent);
    pointer-events: none;
}

/* Animated scan line */
.hero::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.4), transparent);
    animation: scan-down 5s linear infinite;
    pointer-events: none;
}

@keyframes scan-down {
    0%   { top: -5%; opacity: 0.6; }
    50%  { opacity: 1; }
    100% { top: 105%; opacity: 0.6; }
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 2;
    width: min(1200px, 100% - 2rem);
    margin: 0 auto;
}

.hero-copy { max-width: 640px; }

.hero-top {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
}

.hero-pill {
    display: inline-flex;
    padding: 0.55rem 1.1rem;
    border-radius: var(--r-pill);
    background: var(--cyan-soft);
    border: 1px solid var(--border-md);
    color: var(--cyan);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero-subtext {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 1.2rem;
}

.hero-copy h1 {
    font-size: clamp(2.8rem, 5vw, 5rem);
    line-height: 0.96;
    letter-spacing: -0.04em;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.hero-copy p {
    color: var(--text-2);
    line-height: 1.85;
    max-width: 44rem;
    margin-bottom: 2.2rem;
    font-size: 1.05rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-actions.centered { justify-content: center; }

/* Glitch text */
.glitch {
    position: relative;
    display: inline-block;
    color: var(--text);
    animation: glitch-text 3.5s infinite;
    will-change: transform;
}

.glitch::before {
    content: attr(data-text);
    position: absolute;
    left: 0; top: 0;
    color: rgba(0, 212, 255, 0.65);
    transform: translate(2px, -2px);
    z-index: -1;
}

.glitch::after {
    content: attr(data-text);
    position: absolute;
    left: 0; top: 0;
    color: rgba(124, 90, 255, 0.55);
    transform: translate(-2px, 2px);
    z-index: -2;
}

@keyframes glitch-text {
    0%, 16%, 20%, 38%, 42%, 60%, 64%, 82%, 86%, 100% { transform: none; }
    18%  { transform: skewX(-4deg); }
    40%  { transform: translate(2px, 0) skewX(2deg); }
    62%  { transform: translate(0, 1px); }
    84%  { transform: skewX(1.5deg); }
}

/* Hero panel */
.hero-panel { display: grid; gap: 1.5rem; }

.panel {
    padding: 2.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.panel::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: 0.35;
}

.panel:hover {
    border-color: var(--border-md);
    box-shadow: var(--shadow-cyan);
}

.panel h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--cyan);
    margin-bottom: 1rem;
}

.panel p {
    color: var(--text-2);
    line-height: 1.85;
    margin-bottom: 1.75rem;
}
.panel p:last-child { margin-bottom: 0; }

.panel-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.panel-meta div {
    padding: 1rem 1.15rem;
    border-radius: var(--r);
    background: rgba(0, 212, 255, 0.04);
    border: 1px solid var(--border);
}

.panel-meta strong {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.3rem;
}

.panel-meta span { color: var(--text-2); font-size: 0.88rem; }

/* Hero visual */
.hero-visual { width: 100%; display: grid; gap: 0.8rem; }

.visual-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.22em;
}

.visual-screen {
    position: relative;
    min-height: 320px;
    border-radius: var(--r-lg);
    background: linear-gradient(160deg, rgba(3, 7, 20, 0.99), rgba(7, 12, 32, 0.99));
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-cyan);
}

.visual-screen::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 25% 25%, rgba(0, 212, 255, 0.11), transparent 28%),
        radial-gradient(circle at 75% 70%, rgba(124, 90, 255, 0.09), transparent 25%);
    pointer-events: none;
}

.visual-mesh {
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(0deg,   transparent, transparent 39px, rgba(0, 212, 255, 0.06) 39px, rgba(0, 212, 255, 0.06) 40px),
        repeating-linear-gradient(90deg,  transparent, transparent 39px, rgba(0, 212, 255, 0.06) 39px, rgba(0, 212, 255, 0.06) 40px);
    pointer-events: none;
}

.visual-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.14), transparent 70%);
    top: 5%;
    left: 10%;
    animation: float-glow 7s ease-in-out infinite;
    pointer-events: none;
    will-change: transform, opacity;
}

@keyframes float-glow {
    0%,  100% { transform: translate(0, 0);       opacity: 0.7; }
    33%        { transform: translate(25px, -15px); opacity: 1;   }
    66%        { transform: translate(-12px, 12px); opacity: 0.8; }
}

.visual-content {
    position: absolute;
    inset: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 0.75rem;
    z-index: 1;
}

.visual-content span {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.18em;
}

.visual-content strong {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 15%, rgba(0, 255, 179, 0.05), transparent 40%);
    pointer-events: none;
}

/* === TRUSTED BY === */
.trusted-by { padding: 3.5rem 0 4.5rem; }

.trusted-title {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
    text-align: center;
    margin-bottom: 2rem;
}

.logo-strip {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.85rem 1.2rem;
    padding: 1.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
}

.logo-strip span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.25rem;
    border-radius: var(--r-pill);
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--border-md);
    color: var(--text-2);
    font-weight: 700;
    font-size: 0.76rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s;
}

.logo-strip span:hover {
    background: var(--cyan-soft);
    border-color: var(--border-bright);
    color: var(--cyan);
    box-shadow: 0 0 14px rgba(0, 212, 255, 0.15);
}

/* === KPI === */
.kpi-section { padding: 5rem 0; }

.kpi-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.kpi-card {
    padding: 2rem 1.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.kpi-card:hover {
    border-color: var(--border-md);
    box-shadow: var(--shadow-cyan);
    transform: translateY(-5px);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--purple));
}

.kpi-card strong {
    display: flex;
    align-items: baseline;
    gap: 0.1em;
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.6rem;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

/* Counter number inherits the strong font-size */
.kpi-card strong .kpi-counter {
    font-size: inherit;
    font-weight: inherit;
    color: inherit;
}

/* Only the description label below gets the small size */
.kpi-card > span { color: var(--text-2); font-size: 0.9rem; }

/* === GENERIC CARDS === */
.card,
.service-card,
.process-card,
.stat,
.testimonial,
.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
    position: relative;
    overflow: hidden;
}

.card:hover,
.service-card:hover,
.process-card:hover,
.case-card:hover {
    border-color: var(--border-md);
    box-shadow: var(--shadow-cyan);
    transform: translateY(-5px);
}

.service-card::before,
.process-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: 0.3;
    transition: opacity 0.3s;
}
.service-card:hover::before,
.process-card:hover::before { opacity: 0.75; }

.card h3,
.service-card h3,
.process-card h3 {
    color: var(--cyan);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.85rem;
}

.card p,
.service-card p,
.process-card p,
.testimonial p,
.stat span,
.panel p,
.portfolio-body p {
    color: var(--text-2);
    line-height: 1.82;
    font-size: 0.96rem;
}

.card-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* === SERVICE CARDS === */
.service-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* === STATS === */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stat {
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--r-lg);
    border: 1px solid var(--border);
}

.stat strong {
    display: block;
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.6rem;
    line-height: 1.1;
}

/* === CASE STUDIES === */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.case-label {
    display: inline-flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--green);
}

.case-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.22;
    margin-bottom: 1rem;
    color: var(--text);
}

/* === TESTIMONIALS === */
.testimonials-section { padding: 5rem 0; }

.testimonials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.testimonial-card {
    display: grid;
    gap: 1.4rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 2.2rem;
    box-shadow: var(--shadow);
    transition: border-color 0.3s, box-shadow 0.3s;
}
.testimonial-card:hover { border-color: var(--border-md); }

.testimonial-photo {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan-soft), var(--purple-soft));
    border: 1px solid var(--border-md);
}

.testimonial-card p {
    color: var(--text);
    line-height: 1.85;
    font-style: italic;
    font-size: 0.96rem;
}

.testimonial-author {
    display: block;
    font-weight: 700;
    color: var(--text);
    font-size: 0.94rem;
}

.testimonial-role { color: var(--text-2); font-size: 0.84rem; }

.testimonial p { font-style: italic; margin-bottom: 1rem; }
.testimonial .testimonial-author { color: var(--cyan); font-size: 0.88rem; }

/* === PROCESS GRID === */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* === PORTFOLIO === */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.portfolio-card:hover {
    border-color: var(--border-md);
    box-shadow: var(--shadow-cyan);
    transform: translateY(-5px);
}

/* Portfolio media wrapper — shows image if present, grid placeholder if not */
.portfolio-media {
    position: relative;
    height: 250px;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(0, 212, 255, 0.07), rgba(124, 90, 255, 0.05)),
        repeating-linear-gradient(0deg,  transparent, transparent 39px, rgba(0, 212, 255, 0.055) 39px, rgba(0, 212, 255, 0.055) 40px),
        repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(0, 212, 255, 0.055) 39px, rgba(0, 212, 255, 0.055) 40px);
}

.portfolio-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
    position: relative;
    z-index: 1;
}

.portfolio-card:hover .portfolio-media img { transform: scale(1.05); }

/* Placeholder label — visible when image is missing (no-img class) */
.portfolio-placeholder-label {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--cyan);
    opacity: 0.55;
}

.portfolio-media.no-img .portfolio-placeholder-label { display: flex; }

.portfolio-body { padding: 1.75rem; }

.portfolio-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cyan);
    border: 1px solid rgba(0,212,255,0.35);
    border-radius: 100px;
    padding: 0.2em 0.85em;
    margin-bottom: 0.6rem;
}

.portfolio-body h3 {
    color: var(--cyan);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

/* Portfolio filter buttons */
.portfolio-filters {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.35rem;
    border-radius: var(--r-pill);
    border: 1px solid var(--border-md);
    background: transparent;
    color: var(--text-2);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.22s ease;
}

.filter-btn:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    background: var(--cyan-soft);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--cyan), var(--purple));
    border-color: transparent;
    color: #01020c;
    box-shadow: 0 6px 22px rgba(0, 212, 255, 0.28);
}

.portfolio-item { transition: opacity 0.3s, transform 0.3s; }
.portfolio-item.hidden { display: none; }

/* === CONTACT FORM === */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: grid;
    gap: 0.65rem;
    margin-bottom: 1.5rem;
}

label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.04em;
}

input, select, textarea {
    width: 100%;
    padding: 1rem 1.1rem;
    border-radius: var(--r);
    border: 1px solid var(--border-md);
    background: rgba(6, 10, 26, 0.92);
    color: var(--text);
    transition: border-color 0.25s, box-shadow 0.25s;
    font-size: 0.95rem;
}

input::placeholder, textarea::placeholder {
    color: var(--text-2);
    opacity: 0.55;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.10), 0 0 18px rgba(0, 212, 255, 0.09);
}

select option { background: #0a0f22; color: var(--text); }

textarea { min-height: 180px; resize: vertical; }

button[type="submit"] {
    width: 100%;
    padding: 1.1rem;
    border: none;
    border-radius: var(--r);
    background: linear-gradient(135deg, var(--cyan), var(--purple));
    color: #01020c;
    font-weight: 700;
    font-size: 0.96rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.25s, box-shadow 0.25s;
    box-shadow: 0 10px 32px rgba(0, 212, 255, 0.22);
    margin-top: 0.5rem;
}

button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 44px rgba(0, 212, 255, 0.38);
}

/* Form messages */
.form-message {
    margin-bottom: 1.5rem;
    padding: 1rem 1.2rem;
    border-radius: var(--r);
    background: rgba(8, 13, 32, 0.9);
    border: 1px solid var(--border);
    color: var(--text);
    white-space: pre-line;
    font-size: 0.95rem;
    line-height: 1.65;
}

.form-message:empty { display: none; }

.form-message.success {
    border-color: rgba(0, 255, 179, 0.32);
    background: rgba(0, 35, 22, 0.92);
    color: #00ffb3;
}

.form-message.error {
    border-color: rgba(255, 80, 100, 0.32);
    background: rgba(48, 8, 18, 0.92);
    color: #ff8090;
}

.form-message.info {
    border-color: var(--border-md);
    background: rgba(0, 25, 48, 0.92);
    color: var(--cyan);
}

/* === STICKY CTA === */
.sticky-cta {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    z-index: 400;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.55rem;
    border-radius: var(--r-pill);
    background: linear-gradient(135deg, var(--cyan), var(--purple));
    color: #01020c;
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.30);
    transition: transform 0.2s, box-shadow 0.2s;
}

.sticky-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 52px rgba(0, 212, 255, 0.48);
    color: #01020c;
}

/* === FOOTER === */
footer {
    padding: 3rem 0 2rem;
    background: rgba(2, 4, 14, 0.99);
    border-top: 1px solid var(--border);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan), var(--purple), transparent);
    opacity: 0.35;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.2rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem;
}

.footer-links a {
    color: var(--text-2);
    font-size: 0.88rem;
    font-weight: 500;
    padding: 0.4rem 0.8rem;
    border-radius: var(--r-pill);
    transition: color 0.2s, background 0.2s;
}

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

.footer-copy { color: var(--text-2); font-size: 0.83rem; }

/* === FEATURE LIST === */
.feature-list {
    list-style: none;
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.feature-list li {
    position: relative;
    padding-left: 1.65rem;
    color: var(--text);
    line-height: 1.82;
}

.feature-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--cyan);
    font-weight: 700;
    font-size: 1.1em;
}

@keyframes neon-pulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.2); }
    50%       { box-shadow: 0 0 40px rgba(0, 212, 255, 0.5); }
}

/* =============================================
   RESPONSIVE BREAKPOINTS
   ============================================= */

/* Large tablet / small desktop: 1024px */
@media (max-width: 1024px) {
    .kpi-cards      { grid-template-columns: repeat(2, 1fr); }
    .process-grid   { grid-template-columns: repeat(2, 1fr); }
    .stats          { grid-template-columns: repeat(2, 1fr); }
    .hero-copy h1   { font-size: clamp(2.6rem, 5vw, 4rem); }
}

/* Tablet: 820px */
@media (max-width: 820px) {
    /* Performance: fixed-attachment backgrounds kill mobile scroll */
    body {
        background-attachment: scroll;
        background:
            radial-gradient(ellipse 65% 45% at 10% 0%,   rgba(0, 212, 255, 0.07) 0%, transparent 55%),
            radial-gradient(ellipse 55% 40% at 88% 6%,   rgba(124, 90, 255, 0.06) 0%, transparent 50%),
            var(--bg);
        background-size: auto;
    }

    /* Remove scanline overlay — expensive fixed repaint on mobile */
    body::after { display: none; }

    section { padding: 4rem 0; }

    .hero {
        min-height: auto;
        padding: 4rem 0;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-top,
    .hero-actions {
        justify-content: center;
    }

    .hero-subtext { text-align: center; }
    .hero-copy p  { margin-left: auto; margin-right: auto; }
    .hero-panel   { display: none; }

    .header-cta { display: none; }

    .menu-toggle { display: flex; }

    nav ul {
        position: fixed;
        top: 0;
        right: -100%;
        bottom: 0;
        width: min(300px, 82vw);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        background: rgba(1, 2, 14, 0.97);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-left: 1px solid var(--border-md);
        padding: 2.5rem 2rem;
        gap: 0.4rem;
        transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        list-style: none;
        z-index: 550;
    }

    nav ul.show { right: 0; display: flex; }

    nav ul li { width: 100%; }

    nav a {
        display: block;
        padding: 0.85rem 1.1rem;
        border-radius: var(--r);
        font-size: 1.05rem;
    }

    nav a::after { display: none; }

    nav a:hover,
    nav a.active {
        background: var(--cyan-soft);
        color: var(--cyan);
    }

    /* Disable expensive blur on mobile — use opaque bg instead */
    header {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(1, 2, 12, 0.97);
    }

    .nav-overlay {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    /* Sticky CTA — keep compact, stay inside viewport */
    .sticky-cta {
        right: 1rem;
        bottom: 1rem;
        padding: 0.75rem 1.1rem;
        font-size: 0.72rem;
        max-inline-size: calc(100vw - 2rem);
        white-space: nowrap;
        overflow: hidden;
    }

    .case-grid,
    .testimonials,
    .service-cards { grid-template-columns: 1fr; }

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

    /* Ensure all generic grid utilities collapse on mobile */
    .grid-2,
    .grid-3,
    .grid-4 { grid-template-columns: 1fr; }
}

/* Mobile: 560px */
@media (max-width: 560px) {
    .hero-copy h1     { font-size: clamp(2.2rem, 9vw, 3.2rem); }
    .section-title h2 { font-size: clamp(1.8rem, 7vw, 2.5rem); }

    .kpi-cards  { grid-template-columns: repeat(2, 1fr); }
    .card-grid  { grid-template-columns: 1fr; }
    .form-row   { grid-template-columns: 1fr; }
    .panel-meta { grid-template-columns: 1fr; }
    .stats      { grid-template-columns: repeat(2, 1fr); }
    .process-grid { grid-template-columns: 1fr; }

    .portfolio-filters { gap: 0.5rem; }
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.76rem;
    }

    .footer-content { flex-direction: column; align-items: flex-start; }
}

/* Small mobile: 360px */
@media (max-width: 360px) {
    .kpi-cards { grid-template-columns: 1fr; }
    .stats     { grid-template-columns: 1fr; }
}

/* Respect OS-level "reduce motion" preference */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}