/* ============================================================
   Digital Velocity — SpektralLab Design System
   ============================================================ */

:root {
    /* Brand palette */
    --graphite:      #4A4A4A;
    --graphite-dark: #2D2D2D;
    --cyan:          #18C2F3;
    --magenta:       #F4008C;
    --lime:          #C8F000;

    /* Backgrounds */
    --bg-white:  #FFFFFF;
    --bg-light:  #F5F7FA;
    --bg-mid:    #D9DDE3;
    --bg-dark:   #20242A;

    /* Aliases kept for legacy HTML */
    --color-cyan:    #18C2F3;
    --color-magenta: #F4008C;
    --color-yellow:  #C8F000;
    --bg-card:       #FFFFFF;
    --text-main:     #2D2D2D;
    --text-muted:    #6B7280;

    --font-main: 'Space Grotesk', sans-serif;

    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 7rem;

    --border-radius: 16px;
    --transition: all 0.28s ease;
}

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

body {
    font-family: var(--font-main);
    background: var(--bg-white);
    color: var(--text-main);
    line-height: 1.65;
    overflow-x: hidden;
}

.background-glow { display: none; }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.18;
    color: var(--graphite-dark);
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem);  margin-bottom: 1.25rem; }
h2 { font-size: clamp(2rem,   4vw, 2.75rem); margin-bottom: 1rem; }
h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }

p   { color: var(--text-muted); margin-bottom: 1.4rem; }
a   { text-decoration: none; color: inherit; transition: var(--transition); }
ul  { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Gradient headline span */
.gradient-text {
    background: linear-gradient(130deg, var(--cyan) 0%, var(--magenta) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-primary {
    display: inline-block;
    padding: 0.85rem 2.2rem;
    background: var(--magenta);
    color: #fff;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}
.btn-primary:hover {
    background: #c9007a;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(244,0,140,.3);
    color: #fff;
}

.btn-secondary {
    display: inline-block;
    padding: 0.85rem 2.2rem;
    background: var(--cyan);
    color: #fff;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    margin-left: 1rem;
    transition: var(--transition);
}
.btn-secondary:hover {
    background: #0daad6;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(24,194,243,.3);
}

.btn-lime {
    display: inline-block;
    padding: 0.85rem 2.2rem;
    background: var(--lime);
    color: var(--bg-dark);
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition);
}
.btn-lime:hover { opacity: .88; transform: translateY(-2px); }

/* ── Header ──────────────────────────────────────────────────── */
.glass-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: var(--bg-dark);
    padding: 1rem 0;
    border-bottom: 3px solid transparent;
    /* tri-colour accent line */
    border-image: linear-gradient(90deg, var(--cyan), var(--magenta), var(--lime)) 1;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container { display: flex; align-items: center; gap: 0.9rem; }
.logo { height: 40px; width: auto; }
.logo-text {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.4px;
    color: #fff;
}

.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
    color: rgba(255,255,255,.82);
    font-size: 0.92rem;
    font-weight: 500;
}
.nav-links a:not(.btn-primary):not(.btn-secondary):hover { color: var(--cyan); }
.nav-links .btn-primary { padding: 0.55rem 1.4rem; font-size: 0.88rem; }

/* Dropdown */
.dropdown { position: relative; display: inline-block; }

.dropdown-content {
    display: none;
    position: absolute;
    background: var(--bg-dark);
    min-width: 220px;
    box-shadow: 0 16px 40px rgba(0,0,0,.35);
    z-index: 200;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 12px;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.75rem 0 0.5rem;
}
.dropdown-content a {
    color: rgba(255,255,255,.78);
    padding: 10px 18px;
    display: block;
    font-size: 0.88rem;
}
.dropdown-content a:hover { background: rgba(255,255,255,.05); color: var(--cyan); }
.dropdown:hover .dropdown-content { display: block; }
.dropdown:hover .dropbtn { color: var(--cyan); }

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
    padding: 160px 0 90px;
    min-height: 88vh;
    display: flex;
    align-items: center;
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

/* Soft colour blobs */
.hero::before {
    content: '';
    position: absolute;
    top: -220px; right: -180px;
    width: 680px; height: 680px;
    background: radial-gradient(circle,
        rgba(24,194,243,.14) 0%,
        rgba(244,0,140,.08) 50%,
        transparent 72%);
    border-radius: 50%;
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -180px; left: -120px;
    width: 520px; height: 520px;
    background: radial-gradient(circle,
        rgba(200,240,0,.08) 0%,
        transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-content { text-align: left; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(24,194,243,.1);
    border: 1px solid rgba(24,194,243,.3);
    border-radius: 20px;
    padding: 0.35rem 1rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--cyan);
    margin-bottom: 1.2rem;
    letter-spacing: .02em;
}

.hero p {
    font-size: 1.15rem;
    max-width: 520px;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.hero-actions .btn-secondary { margin-left: 0; }

/* Hero SVG visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-s-shape {
    width: 100%;
    max-width: 420px;
    height: auto;
}

/* ── Section utilities ───────────────────────────────────────── */
.section-light { background: var(--bg-white); }
.section-gray  { background: var(--bg-light); }
.section-dark  { background: var(--bg-dark);  }

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}
.section-tag {
    display: inline-block;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 0.6rem;
}

/* ── Services / grid ─────────────────────────────────────────── */
.services { padding: var(--spacing-xl) 0; }

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* ── Cards ───────────────────────────────────────────────────── */
.glass-card {
    background: var(--bg-white);
    border: 1px solid var(--bg-mid);
    padding: 2.4rem;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 12px rgba(0,0,0,.06);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
/* Default top accent — cyan */
.glass-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--cyan);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}
.glass-card.accent-magenta::before { background: var(--magenta); }
.glass-card.accent-lime::before    { background: var(--lime); }

.glass-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 36px rgba(0,0,0,.1);
    border-color: var(--cyan);
}
.glass-card.accent-magenta:hover { border-color: var(--magenta); }
.glass-card.accent-lime:hover    { border-color: var(--lime); }

.glass-card h3 { color: var(--graphite-dark); }
.glass-card p  { color: var(--text-muted); }

/* Icon boxes */
.icon-box {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.4rem;
}
.cyan-glow    { background: rgba(24,194,243,.12); color: var(--cyan); }
.magenta-glow { background: rgba(244,0,140,.10);  color: var(--magenta); }
.yellow-glow  { background: rgba(200,240,0,.14);  color: #6e8500; }

/* Card link */
a.card-link { display: block; color: inherit; text-decoration: none; }

.card-cta {
    display: inline-block;
    margin-top: 0.75rem;
    color: var(--cyan);
    font-size: 0.88rem;
    font-weight: 600;
}
.accent-magenta .card-cta { color: var(--magenta); }
.accent-lime    .card-cta { color: #6e8500; }

/* Tag chip */
.tag-chip {
    display: inline-block;
    padding: 0.22rem 0.8rem;
    background: rgba(24,194,243,.08);
    border: 1px solid rgba(24,194,243,.25);
    border-radius: 20px;
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--cyan);
    margin-bottom: 0.9rem;
    letter-spacing: .03em;
}

/* ── Flow section (dark) ─────────────────────────────────────── */
.flow-section {
    background: var(--bg-dark);
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}
.flow-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), var(--magenta), var(--lime));
}

.flow-section h2 {
    color: #fff;
    text-align: center;
    margin-bottom: 0.5rem;
}
.flow-section > .container > p {
    color: rgba(255,255,255,.55);
    text-align: center;
    max-width: 560px;
    margin: 0 auto 3.5rem;
}

.flow-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem 1.25rem;
    min-width: 160px;
}

.flow-step-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -.02em;
}
.step-cyan    { background: var(--cyan);    color: var(--bg-dark); }
.step-magenta { background: var(--magenta); color: #fff; }
.step-lime    { background: var(--lime);    color: var(--bg-dark); }
.step-white   { background: rgba(255,255,255,.15); color: #fff; }

.flow-step h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.flow-step p  { color: rgba(255,255,255,.5); font-size: 0.82rem; max-width: 130px; margin: 0; }

.flow-arrow {
    color: rgba(255,255,255,.25);
    font-size: 1.6rem;
    padding: 0 0.5rem;
    align-self: center;
    margin-bottom: 2.2rem;
}

/* ── About section ───────────────────────────────────────────── */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-content h2 {
    text-align: left;
    margin-bottom: 1rem;
}
.about-content p { color: var(--text-muted); line-height: 1.8; }

.about-actions { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.about-actions .btn-secondary { margin-left: 0; }

/* Colorful abstract block stack */
.about-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-blocks { position: relative; width: 340px; height: 340px; }

.about-block {
    position: absolute;
    border-radius: 22px;
}
.about-block-1 {
    width: 210px; height: 210px;
    background: var(--cyan);
    top: 0; right: 0;
}
.about-block-2 {
    width: 165px; height: 165px;
    background: var(--magenta);
    bottom: 20px; left: 0;
}
.about-block-3 {
    width: 115px; height: 115px;
    background: var(--lime);
    bottom: 0; right: 50px;
}
.about-block-overlap {
    position: absolute;
    width: 110px; height: 110px;
    background: var(--bg-white);
    border-radius: 18px;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 40px rgba(0,0,0,.18);
    z-index: 10;
}
.logo-text-sm {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--graphite-dark);
    text-align: center;
    line-height: 1.3;
}

/* ── Contact ─────────────────────────────────────────────────── */
.contact { padding: var(--spacing-xl) 0; background: var(--bg-white); }

.contact-centered { display: flex; justify-content: center; }

.contact-info {
    width: 100%;
    max-width: 600px;
    text-align: center;
}
.contact-info h3 { color: var(--graphite-dark); margin-bottom: 0.75rem; }

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.4rem;
    font-size: 1.05rem;
    color: var(--text-muted);
}
.contact-item a:hover { color: var(--cyan); }

.icon-box.small {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    margin-bottom: 0;
}

/* ── Footer ──────────────────────────────────────────────────── */
footer {
    background: var(--bg-dark);
    padding: 3rem 0;
    position: relative;
}
footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), var(--magenta), var(--lime));
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-logo .logo-text { color: #fff; }
.footer-logo p { margin-bottom: 0; font-size: 0.88rem; color: rgba(255,255,255,.45); }
.footer-links p { margin-bottom: 0; font-size: 0.88rem; color: rgba(255,255,255,.38); }

/* ── Animations ──────────────────────────────────────────────── */
.fade-in-up {
    opacity: 0;
    transform: translateY(22px);
    animation: fadeInUp 0.75s ease forwards;
}
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

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

/* ── Blog pages ──────────────────────────────────────────────── */
.blog-hero {
    padding: 180px 0 60px;
    min-height: auto;
    text-align: left;
    background: var(--bg-light);
}
.blog-hero .container { max-width: 800px; }
.blog-hero h1 { font-size: 2.7rem; margin-bottom: 0.75rem; }

.blog-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.84rem;
    color: var(--text-muted);
    margin-bottom: 0;
    flex-wrap: wrap;
}

.blog-content {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--spacing-lg) 2rem var(--spacing-xl);
}
.blog-content h2 { font-size: 1.75rem; margin-top: 2.5rem; margin-bottom: 0.9rem; text-align: left; }
.blog-content h3 { font-size: 1.2rem;  margin-top: 1.75rem; margin-bottom: 0.7rem; text-align: left; }
.blog-content p  { color: var(--text-muted); line-height: 1.85; margin-bottom: 1.2rem; }
.blog-content ul, .blog-content ol { padding-left: 1.5rem; margin-bottom: 1.5rem; }
.blog-content ul { list-style: disc; }
.blog-content ol { list-style: decimal; }
.blog-content ul li, .blog-content ol li { color: var(--text-muted); margin-bottom: 0.5rem; line-height: 1.7; }

.blog-cta {
    background: rgba(24,194,243,.05);
    border: 1px solid rgba(24,194,243,.18);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-top: 3rem;
    text-align: center;
}
.blog-cta h3 { color: var(--cyan); margin-bottom: 0.75rem; }
.blog-cta p  { margin-bottom: 1.5rem; }

/* ── Breadcrumb ──────────────────────────────────────────────── */
.breadcrumb { text-align: left; font-size: 0.84rem; margin-bottom: 2rem; }
.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    list-style: none;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.breadcrumb-list a { color: var(--text-muted); }
.breadcrumb-list a:hover { color: var(--cyan); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 940px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .hero { text-align: center; }
    .hero-badge { /* centre the badge */ }
    .hero p { max-width: 100%; }
    .hero-actions { justify-content: center; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }

    .header-content { flex-direction: column; gap: 1rem; }
    .nav-links { gap: 1rem; font-size: 0.88rem; }

    .hero { padding-top: 140px; }

    .about-grid { grid-template-columns: 1fr; }
    .about-visual { height: 300px; }

    .footer-content { flex-direction: column; gap: 1.5rem; text-align: center; }

    .flow-steps { flex-direction: column; align-items: center; }
    .flow-arrow { display: none; }

    .btn-secondary { margin-left: 0; }
}