/* =============================================
   Sigma Digital – Custom Stylesheet
   ============================================= */

:root {
    --sd-primary:   #0d1b2a;
    --sd-secondary: #1b3a5c;
    --sd-accent:    #00b4d8;
    --sd-accent2:   #0077b6;
    --sd-light:     #f0f4f8;
    --sd-text:      #2d2d2d;
}

/* --- Base --- */
html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    color: var(--sd-text);
    overflow-x: hidden;
}

/* --- Navbar --- */
#mainNav {
    background: transparent;
    transition: background 0.4s, box-shadow 0.4s, padding 0.4s;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

#mainNav.scrolled {
    background: var(--sd-primary);
    box-shadow: 0 2px 20px rgba(0,0,0,0.4);
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.brand-icon { color: var(--sd-accent); }
.brand-text  { font-size: 1.2rem; letter-spacing: .03em; }

.navbar-nav .nav-link {
    font-size: .9rem;
    letter-spacing: .04em;
    color: rgba(255,255,255,.85) !important;
    transition: color .2s;
    padding: .4rem .7rem;
}
.navbar-nav .nav-link:hover { color: var(--sd-accent) !important; }

/* --- Accent Button --- */
.btn-accent {
    background: var(--sd-accent);
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: .5rem 1.4rem;
    font-size: .9rem;
    font-weight: 600;
    letter-spacing: .04em;
    transition: background .2s, transform .2s;
}
.btn-accent:hover {
    background: var(--sd-accent2);
    color: #fff;
    transform: translateY(-2px);
}

.text-accent { color: var(--sd-accent) !important; }

/* --- Hero --- */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--sd-primary) 0%, var(--sd-secondary) 60%, #0a3d62 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300b4d8' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content { position: relative; z-index: 1; }

.hero-badge {
    display: inline-block;
    background: rgba(0,180,216,.15);
    border: 1px solid rgba(0,180,216,.3);
    color: var(--sd-accent);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: .35rem 1rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.6rem);
    font-weight: 700;
    line-height: 1.15;
    color: #fff;
}

.hero h1 .highlight {
    color: var(--sd-accent);
    position: relative;
}

.hero-sub {
    font-size: 1.1rem;
    color: rgba(255,255,255,.75);
    max-width: 540px;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
    margin-top: 2.5rem;
}

.stat-item .stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--sd-accent);
    line-height: 1;
}

.stat-item .stat-label {
    font-size: .78rem;
    color: rgba(255,255,255,.6);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-top: .2rem;
}

.scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,.4);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%       { transform: translateX(-50%) translateY(8px); }
}

/* --- Sections --- */
.section-label {
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--sd-accent);
    margin-bottom: .5rem;
}

.section-title {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 700;
    color: var(--sd-primary);
    line-height: 1.25;
}

.section-bg { background: var(--sd-light); }

/* --- About --- */
.about-img-wrap {
    position: relative;
    display: inline-block;
}

.about-img-wrap img {
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(0,0,0,.15);
}

.experience-badge {
    position: absolute;
    bottom: -1.5rem;
    right: -1.5rem;
    background: var(--sd-accent);
    color: #fff;
    border-radius: 1rem;
    padding: 1rem 1.4rem;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,180,216,.35);
}

.experience-badge .badge-number {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.experience-badge .badge-text {
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    opacity: .9;
}

.credential-pill {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: #fff;
    border: 1px solid #dde4ed;
    border-radius: 50px;
    padding: .4rem 1rem;
    font-size: .85rem;
    font-weight: 500;
    color: var(--sd-primary);
    margin: .25rem;
    transition: border-color .2s, box-shadow .2s;
}

.credential-pill:hover {
    border-color: var(--sd-accent);
    box-shadow: 0 4px 12px rgba(0,180,216,.15);
}

.credential-pill i { color: var(--sd-accent); }

/* --- Service Cards --- */
.service-card {
    background: #fff;
    border: 1px solid #e8eef5;
    border-radius: 1rem;
    padding: 2rem;
    height: 100%;
    transition: transform .25s, box-shadow .25s, border-color .25s;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0,0,0,.1);
    border-color: var(--sd-accent);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(0,180,216,.1);
    border-radius: .75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--sd-accent);
    margin-bottom: 1.25rem;
}

.service-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--sd-primary);
    margin-bottom: .6rem;
}

.service-card p {
    font-size: .88rem;
    color: #6b7a90;
    line-height: 1.65;
    margin: 0;
}

/* --- Method Section --- */
.method-block {
    padding: 2rem;
    border-radius: 1rem;
    border-left: 4px solid var(--sd-accent);
    background: #fff;
    height: 100%;
    box-shadow: 0 4px 20px rgba(0,0,0,.05);
}

.method-block h4 {
    font-weight: 700;
    color: var(--sd-primary);
    font-size: 1.05rem;
}

/* --- Online Services / Pricing --- */
.pricing-card {
    background: #fff;
    border: 1.5px solid #e2e8f0;
    border-radius: 1.25rem;
    padding: 2rem 1.75rem;
    height: 100%;
    position: relative;
    transition: transform .25s, box-shadow .25s;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0,0,0,.1);
}

.pricing-card.featured {
    border-color: var(--sd-accent);
    box-shadow: 0 10px 40px rgba(0,180,216,.2);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--sd-accent);
    color: #fff;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: .25rem .9rem;
    border-radius: 50px;
    white-space: nowrap;
}

.pricing-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--sd-accent), var(--sd-accent2));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #fff;
    margin: 0 auto 1.25rem;
}

.pricing-card h4 {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--sd-primary);
    text-align: center;
}

.pricing-card .price {
    text-align: center;
    margin: 1rem 0;
}

.price-amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--sd-primary);
}

.price-suffix {
    font-size: .85rem;
    color: #8899aa;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 1rem 0 1.5rem;
}

.pricing-features li {
    font-size: .85rem;
    color: #5a6a7a;
    padding: .35rem 0;
    border-bottom: 1px solid #f0f4f8;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.pricing-features li i { color: var(--sd-accent); font-size: .8rem; }

/* --- Testimonials / References --- */
.reference-card {
    background: #fff;
    border-radius: 1rem;
    padding: 1.75rem;
    box-shadow: 0 4px 20px rgba(0,0,0,.06);
    height: 100%;
}

.reference-card .quote-icon {
    font-size: 2rem;
    color: var(--sd-accent);
    opacity: .3;
    line-height: 1;
    margin-bottom: .5rem;
}

.reference-card p {
    font-size: .9rem;
    color: #4a5568;
    line-height: 1.7;
    font-style: italic;
}

.reference-card .author {
    font-weight: 700;
    color: var(--sd-primary);
    font-size: .85rem;
    margin-top: 1rem;
}

.reference-card .author-role {
    font-size: .78rem;
    color: #8899aa;
}

/* --- Contact --- */
.contact-card {
    background: #fff;
    border-radius: 1.25rem;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(0,0,0,.08);
}

.form-control, .form-select {
    border-radius: .6rem;
    border: 1.5px solid #dde4ed;
    padding: .7rem 1rem;
    font-size: .9rem;
    transition: border-color .2s, box-shadow .2s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--sd-accent);
    box-shadow: 0 0 0 3px rgba(0,180,216,.12);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    background: rgba(0,180,216,.1);
    border-radius: .6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sd-accent);
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* --- Footer --- */
.footer-link {
    color: rgba(255,255,255,.55);
    text-decoration: none;
    transition: color .2s;
    display: block;
    margin-bottom: .4rem;
}
.footer-link:hover { color: var(--sd-accent); }

/* --- Alert Messages --- */
.alert-success-custom {
    background: rgba(0,180,216,.1);
    border: 1px solid var(--sd-accent);
    color: var(--sd-primary);
    border-radius: .75rem;
    padding: 1rem 1.25rem;
}

/* --- Responsive tweaks --- */
@media (max-width: 768px) {
    .hero-stats { gap: 1.5rem; }
    .experience-badge { bottom: -.5rem; right: -.5rem; }
}