/* ===================================================================
   TechsoAI — Custom Styles
   =================================================================== */

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-darker: #1d4ed8;
    --accent: #22d3ee;
    --ink: #0f172a;
    --muted: #55657f;
    --navy: #0b1e3f;
    --navy-2: #0e2448;
    --surface-alt: #f4f7fc;
    --border: #e5eaf3;
    --success: #16a34a;
    --font-display: "Sora", "Inter", system-ui, sans-serif;
    --font-body: "Inter", system-ui, -apple-system, sans-serif;
    --radius: 1rem;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
    --shadow: 0 8px 24px rgba(15, 23, 42, .08);
    --shadow-lg: 0 20px 48px rgba(15, 23, 42, .12);
    --gradient: linear-gradient(135deg, var(--primary), #6366f1 55%, var(--accent));
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--ink);
    background: #fff;
    line-height: 1.65;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, .brand-text {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    color: var(--primary-dark);
    text-decoration: none;
    transition: color .2s ease;
}
a:hover { color: var(--primary-darker); }

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

::selection { background: var(--primary); color: #fff; }

.skip-link:focus {
    position: fixed; top: .5rem; left: .5rem; z-index: 2000;
    background: var(--primary); color: #fff; padding: .6rem 1rem; border-radius: .5rem;
}

/* ---------- Buttons ---------- */
.btn {
    border-radius: .65rem;
    font-weight: 600;
    padding: .7rem 1.4rem;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-lg { padding: .9rem 1.7rem; border-radius: .8rem; }
.btn-sm-nav { padding: .55rem 1.1rem; }
.btn-primary {
    background: var(--gradient);
    border: none;
    box-shadow: 0 8px 20px rgba(59, 130, 246, .35);
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--gradient);
    box-shadow: 0 12px 26px rgba(59, 130, 246, .45);
    color: #fff;
}
.btn-outline-primary {
    border: 1.5px solid var(--primary);
    color: var(--primary-dark);
}
.btn-outline-primary:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- Site header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: background .25s ease, box-shadow .25s ease;
}
.site-header.header-transparent {
    background: rgba(11, 30, 63, .55);
    border-bottom-color: rgba(255, 255, 255, .08);
}
.site-header.header-transparent .nav-link,
.site-header.header-transparent .navbar-toggler { color: rgba(255, 255, 255, .9); }

.navbar { padding: .85rem 0; }

.navbar-brand {
    display: flex;
    align-items: center;
    gap: .55rem;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    color: var(--ink);
}
.header-transparent .navbar-brand { color: #fff; }

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 34px; height: 34px;
    border-radius: 10px;
    background: var(--gradient);
    color: #fff;
    font-size: 1.05rem;
    transform: rotate(45deg);
}
.brand-mark i { transform: rotate(-45deg); }
.brand-dot { color: var(--primary); }
.header-transparent .brand-dot { color: var(--accent); }

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--ink);
    margin: 0 .35rem;
    padding: .5rem .6rem;
    position: relative;
}
.site-header.header-transparent .nav-link.active,
.navbar-nav .nav-link.active { color: var(--primary); }
.header-transparent .nav-link.active { color: var(--accent); }

.navbar-nav .nav-link::after {
    content: "";
    position: absolute;
    left: .6rem; right: .6rem; bottom: .15rem;
    height: 2px;
    background: var(--gradient);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .2s ease;
}
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after { transform: scaleX(1); }

.navbar-toggler { border: 0; }
.navbar-toggler:focus { box-shadow: none; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    background: radial-gradient(1200px 500px at 80% -10%, #12356e 0%, var(--navy) 55%, #081527 100%);
    color: #fff;
    padding: 7rem 0 6rem;
    overflow: hidden;
}
.hero-pattern {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: .5;
    background-image:
        radial-gradient(rgba(59,130,246,.18) 1px, transparent 1px);
    background-size: 26px 26px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,.7), transparent 70%);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .45rem 1rem;
    border-radius: 999px;
    background: rgba(34, 211, 238, .12);
    border: 1px solid rgba(34, 211, 238, .35);
    color: var(--accent);
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: 1.4rem;
}

.hero-title {
    font-size: clamp(2.1rem, 4.2vw, 3.4rem);
    line-height: 1.15;
    margin-bottom: 1.2rem;
}
.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, .8);
    max-width: 34rem;
    margin-bottom: 2rem;
}
.hero-actions .btn-outline-light { border-width: 1.5px; }
.hero-actions .btn-outline-light:hover { color: var(--navy); }

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    color: rgba(255, 255, 255, .75);
    font-size: .9rem;
}
.trust-item i { color: var(--accent); margin-right: .35rem; }

/* Hero visual cards */
.hero-visual { position: relative; min-height: 360px; }
.hero-card {
    position: absolute;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .14);
    backdrop-filter: blur(8px);
    border-radius: 1.1rem;
    padding: 1.1rem 1.3rem;
    width: 235px;
    animation: floaty 6s ease-in-out infinite;
}
.hero-card .hero-card-icon {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: .45rem;
}
.hero-card-title { font-weight: 700; font-size: 1rem; }
.hero-card-sub { font-size: .82rem; color: rgba(255,255,255,.65); }

.hero-card.card-main { top: 0; left: 10%; }
.hero-card.card-secondary { top: 38%; right: 0; animation-delay: 1.5s; }
.hero-card.card-palette { bottom: 0; left: 30%; animation-delay: 3s; }

.hero-ring {
    position: absolute;
    border-radius: 50%;
    border: 1.5px dashed rgba(34, 211, 238, .35);
    animation: spin 22s linear infinite;
}
.hero-ring-a { width: 300px; height: 300px; top: -40px; right: -60px; }
.hero-ring-b { width: 180px; height: 180px; bottom: -20px; left: 0; animation-direction: reverse; }

@keyframes floaty {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Sections ---------- */
.section { padding: 5rem 0; }
.section-alt { background: var(--surface-alt); }
.section-head { margin-bottom: 3rem; }
.section-eyebrow {
    display: inline-block;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--primary-dark);
    margin-bottom: .6rem;
}
.section-title { font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.2; margin-bottom: .8rem; }
.section-subtitle { color: var(--muted); max-width: 46rem; }

/* Stats */
.stats-bar { background: #fff; }
.stat-value {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.stat-label { color: var(--muted); font-weight: 500; }

/* Service cards */
.service-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.6rem;
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(59, 130, 246, .35);
}
.service-icon {
    display: inline-grid;
    place-items: center;
    width: 52px; height: 52px;
    border-radius: 14px;
    background: rgba(59, 130, 246, .12);
    color: var(--primary-dark);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    transition: background .2s ease, color .2s ease;
}
.service-card:hover .service-icon { background: var(--gradient); color: #fff; }
.service-icon-lg { width: 64px; height: 64px; font-size: 1.8rem; }
.service-title { font-size: 1.15rem; margin-bottom: .6rem; }
.service-title a { color: var(--ink); }
.service-title a:hover { color: var(--primary-dark); }
.service-desc { color: var(--muted); font-size: .95rem; }

.service-link {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-weight: 600;
    font-size: .9rem;
    margin-top: .6rem;
}
.service-link i { transition: transform .2s ease; }
.service-link:hover i { transform: translateX(4px); }

/* Detailed service cards */
.service-card-detailed { display: flex; flex-direction: column; }
.service-points { list-style: none; padding: 0; margin: 0 0 1rem; flex-grow: 1; }
.service-points li {
    font-size: .9rem;
    color: var(--muted);
    padding: .3rem 0;
    display: flex;
    gap: .5rem;
}
.service-points li i { color: var(--primary); }

/* Feature items (why choose us) */
.feature-item i {
    font-size: 1.4rem;
    color: var(--primary-dark);
    margin-bottom: .6rem;
}
.feature-item h4 { font-size: 1rem; margin-bottom: .4rem; }
.feature-item p { color: var(--muted); font-size: .9rem; margin: 0; }

.why-visual { position: relative; }
.why-panel {
    background: var(--navy);
    border-radius: 1.4rem;
    padding: 2rem;
    color: #fff;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}
.why-panel::after {
    content: "";
    position: absolute;
    width: 200px; height: 200px;
    right: -70px; top: -70px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(34,211,238,.35), transparent 70%);
}
.why-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.2rem; }
.why-title { font-weight: 600; }
.why-live { font-size: .75rem; background: rgba(34,211,238,.15); color: var(--accent); padding: .25rem .6rem; border-radius: 999px; }
.why-big { font-family: var(--font-display); font-size: 3.6rem; font-weight: 800; line-height: 1; }
.why-caption { color: rgba(255,255,255,.7); margin: .8rem 0 1.4rem; }
.why-bar { height: 10px; background: rgba(255,255,255,.12); border-radius: 999px; overflow: hidden; margin-bottom: 1.4rem; }
.why-bar span { display: block; height: 100%; border-radius: 999px; background: var(--gradient); }
.why-tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.why-tags .tag { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15); font-size: .8rem; padding: .3rem .8rem; border-radius: 999px; }

/* Portfolio cards */
.portfolio-card {
    display: block;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .22s ease, box-shadow .22s ease;
    height: 100%;
}
.portfolio-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.portfolio-img {
    position: relative;
    height: 210px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}
.portfolio-img img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s ease;
}
.portfolio-card:hover .portfolio-img img { transform: scale(1.05); }
.portfolio-cat {
    position: absolute;
    top: 1rem; left: 1rem;
    background: rgba(11, 30, 63, .75);
    color: #fff;
    font-size: .72rem;
    font-weight: 600;
    padding: .3rem .7rem;
    border-radius: 999px;
    backdrop-filter: blur(4px);
}
.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(11,30,63,.85));
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 1rem;
    opacity: 0;
    transition: opacity .25s ease;
}
.portfolio-overlay i { color: var(--accent); font-size: 1.7rem; }
.portfolio-card:hover .portfolio-overlay { opacity: 1; }
.portfolio-body { padding: 1.1rem 1.2rem; }
.portfolio-body h3 { font-size: 1.05rem; margin: 0 0 .2rem; }
.portfolio-body p { color: var(--muted); font-size: .85rem; margin: 0; }

/* Portfolio filters */
.filter-btn {
    border: 1.5px solid var(--border);
    background: #fff;
    color: var(--muted);
    border-radius: 999px;
    padding: .5rem 1.2rem;
    font-weight: 600;
    font-size: .9rem;
    margin: .2rem;
    transition: all .2s ease;
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary-dark); }
.filter-btn.active {
    background: var(--gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 6px 16px rgba(59,130,246,.3);
}
.portfolio-item { transition: opacity .2s ease; }

/* Testimonials */
.testimonial-carousel { max-width: 860px; margin: 0 auto; }
.testimonial-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 1.2rem;
    padding: 2.2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}
.quote-mark i { font-size: 2.4rem; color: rgba(59,130,246,.25); }
.testimonial-text { font-size: 1.05rem; color: var(--ink); max-width: 600px; margin: .6rem auto 1rem; }
.testimonial-stars { color: #f59e0b; margin-bottom: 1rem; }
.testimonial-person { display: flex; align-items: center; justify-content: center; gap: .8rem; }
.testimonial-avatar {
    width: 48px; height: 48px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 700;
    font-family: var(--font-display);
}
.testimonial-name { font-weight: 700; }
.testimonial-role { color: var(--muted); font-size: .85rem; }
.carousel-control-prev, .carousel-control-next { width: 44px; height: 44px; border-radius: 50%; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-sm); top: 50%; transform: translateY(-50%); opacity: 1; }
.carousel-control-prev { left: -10px; }
.carousel-control-next { right: -10px; }
.carousel-control-prev-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232563eb'%3e%3cpath d='M11.354 1.646a.5.5 0 0 1 0 .708L5.707 8l5.647 5.646a.5.5 0 0 1-.708.708l-6-6a.5.5 0 0 1 0-.708l6-6a.5.5 0 0 1 .708 0z'/%3e%3c/svg%3e"); }
.carousel-control-next-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232563eb'%3e%3cpath d='M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e"); }

/* CTA section */
.cta-section {
    position: relative;
    background: radial-gradient(900px 400px at 50% 0%, #1d4ed8 0%, var(--navy) 60%, #081527 100%);
    color: #fff;
    padding: 4.5rem 0;
}
.cta-title { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-bottom: .6rem; }
.cta-text { color: rgba(255,255,255,.8); max-width: 42rem; margin: 0 auto 1.8rem; }

/* Page banner */
.page-banner {
    position: relative;
    background: radial-gradient(1000px 420px at 60% -20%, #12356e 0%, var(--navy) 60%, #081527 100%);
    color: #fff;
    padding: 4.2rem 0 3.6rem;
    overflow: hidden;
}
.page-banner-sm { padding: 2.6rem 0 2rem; }
.page-title { font-size: clamp(1.9rem, 3.4vw, 2.8rem); margin: .4rem 0 .7rem; }
.page-subtitle { color: rgba(255,255,255,.78); max-width: 46rem; margin: 0 auto; }
.page-banner .breadcrumb { margin-bottom: 0; }
.page-banner .breadcrumb-item a { color: rgba(255,255,255,.65); }
.page-banner .breadcrumb-item a:hover { color: #fff; }
.page-banner .breadcrumb-item.active { color: var(--accent); }
.page-banner .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.4); }
.page-banner-sm .breadcrumb { justify-content: flex-start; }

/* Service detail */
.service-prose { color: var(--muted); font-size: 1.02rem; }
.features-heading { font-size: 1.15rem; }
.included-item {
    display: flex;
    gap: .55rem;
    align-items: center;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: .8rem;
    padding: .7rem .9rem;
    font-size: .92rem;
    font-weight: 500;
    height: 100%;
    transition: border-color .2s ease;
}
.included-item:hover { border-color: rgba(59,130,246,.5); }
.included-item i { color: var(--success); }

.sidebar-cta {
    background: var(--navy);
    color: #fff;
    border-radius: 1.4rem;
    padding: 2rem;
    position: sticky;
    top: 6rem;
}
.sidebar-cta h3 { margin-bottom: .8rem; }
.sidebar-cta p { color: rgba(255,255,255,.75); font-size: .95rem; }
.sidebar-points { list-style: none; padding: 0; margin: 1.2rem 0 1.6rem; }
.sidebar-points li { padding: .35rem 0; font-size: .95rem; display: flex; gap: .6rem; }
.sidebar-points li i { color: var(--accent); }

/* Portfolio detail */
.portfolio-detail-hero {
    height: 320px;
    display: flex;
    align-items: flex-end;
    padding: 1.4rem;
    background-size: cover;
    background-position: center;
    overflow: hidden;
    position: relative;
}
.portfolio-detail-hero img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.pd-title { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.pd-summary { font-size: 1.1rem; color: var(--ink); font-weight: 500; }
.pd-description { color: var(--muted); }
.pd-heading { font-size: 1.2rem; }
.result-box {
    display: flex;
    gap: .8rem;
    align-items: center;
    background: rgba(22,163,74,.1);
    border: 1px solid rgba(22,163,74,.25);
    color: #15803d;
    border-radius: .9rem;
    padding: 1rem 1.2rem;
    font-weight: 600;
    font-size: .95rem;
}
.result-box i { font-size: 1.4rem; }

.project-meta {
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 1.2rem;
    padding: 1.6rem;
    position: sticky;
    top: 5.5rem;
}
.project-meta h3 { font-size: 1.1rem; margin-bottom: 1rem; }
.meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .55rem 0;
    border-bottom: 1px dashed var(--border);
    gap: 1rem;
}
.meta-row:last-of-type { border-bottom: 0; }
.meta-label { color: var(--muted); font-size: .9rem; }
.meta-value { font-weight: 600; font-size: .92rem; text-align: right; }
.meta-stack { align-items: flex-start; }
.tech-chip {
    display: inline-block;
    background: #fff;
    border: 1px solid var(--border);
    padding: .22rem .6rem;
    border-radius: 999px;
    font-size: .78rem;
    margin: .15rem;
    font-weight: 500;
    color: var(--ink);
}

/* About */
.about-panel {
    background: var(--gradient);
    border-radius: 1.4rem;
    padding: 2.4rem;
    color: #fff;
    box-shadow: var(--shadow-lg);
}
.about-panel .row { --bs-gutter-y: 1rem; }
.about-stat {
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 1rem;
    padding: 1.3rem;
    text-align: center;
    height: 100%;
}
.about-stat-value { display: block; font-size: .85rem; opacity: .85; margin-bottom: .2rem; }
.about-stat-num { font-family: var(--font-display); font-size: 1.9rem; font-weight: 800; }

.value-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.6rem;
    transition: transform .22s ease, box-shadow .22s ease;
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.value-icon {
    width: 50px; height: 50px;
    border-radius: 14px;
    display: grid; place-items: center;
    background: rgba(59,130,246,.12);
    color: var(--primary-dark);
    font-size: 1.4rem;
    margin-bottom: 1rem;
}
.value-card h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.value-card p { color: var(--muted); font-size: .92rem; margin: 0; }

.process-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.8rem;
    transition: transform .22s ease, box-shadow .22s ease;
}
.process-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.process-step {
    position: absolute;
    top: 1.2rem; right: 1.3rem;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 2rem;
    color: rgba(59,130,246,.18);
}
.process-card h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.process-card p { color: var(--muted); font-size: .92rem; margin: 0; }

/* Contact */
.contact-info h2, .contact-form-title { font-size: 1.4rem; margin-bottom: 1.6rem; }
.contact-form-sub { color: var(--muted); margin-top: -1.1rem; margin-bottom: 1.6rem; }
.contact-item { display: flex; gap: 1rem; margin-bottom: 1.6rem; }
.contact-icon {
    width: 48px; height: 48px;
    border-radius: 14px;
    display: grid; place-items: center;
    background: rgba(59,130,246,.12);
    color: var(--primary-dark);
    font-size: 1.3rem;
    flex-shrink: 0;
}
.contact-item h3 { font-size: .95rem; margin-bottom: .2rem; }
.contact-item p { color: var(--muted); font-size: .92rem; margin: 0; }
.contact-item a { color: var(--muted); }
.contact-item a:hover { color: var(--primary-dark); }
.contact-social { margin-top: 2rem; }

.contact-form-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 1.4rem;
    padding: 2.2rem;
    box-shadow: var(--shadow-sm);
}
.form-label { font-weight: 600; font-size: .9rem; }
.form-control, .form-select {
    border-radius: .65rem;
    border: 1.5px solid var(--border);
    padding: .7rem .9rem;
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 .25rem rgba(59,130,246,.12);
}
.form-check-input:checked { background-color: var(--primary); border-color: var(--primary); }

.form-success .success-check {
    width: 76px; height: 76px;
    margin: 0 auto 1.2rem;
    border-radius: 50%;
    background: rgba(22,163,74,.12);
    color: var(--success);
    font-size: 2.2rem;
    display: grid; place-items: center;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: rgba(255,255,255,.75); }
.site-footer .container { padding-top: 4rem; padding-bottom: 2.5rem; }
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    color: #fff;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}
.footer-brand:hover { color: #fff; }
.footer-about { font-size: .92rem; line-height: 1.7; max-width: 26rem; }

.footer-heading {
    color: #fff;
    font-size: .95rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 1.2rem;
}
.footer-links, .footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .6rem; }
.footer-links a, .footer-contact a { color: rgba(255,255,255,.7); font-size: .92rem; }
.footer-links a:hover, .footer-contact a:hover { color: var(--accent); }
.footer-contact li { display: flex; gap: .6rem; margin-bottom: .7rem; font-size: .92rem; }
.footer-contact i { color: var(--accent); margin-top: .2rem; }
.footer-contact span { line-height: 1.55; }

.social-links { display: flex; gap: .55rem; margin-top: 1.2rem; }
.social-links a {
    width: 38px; height: 38px;
    display: grid; place-items: center;
    border-radius: 10px;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.12);
    color: #fff;
    transition: background .2s ease, transform .2s ease;
}
.social-links a:hover { background: var(--gradient); color: #fff; transform: translateY(-3px); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding: 1.2rem 0;
    font-size: .85rem;
}
.footer-bottom p { margin: 0; }
.footer-legal a { color: rgba(255,255,255,.6); }
.footer-legal a:hover { color: var(--accent); }
.footer-legal .sep { color: rgba(255,255,255,.3); margin: 0 .4rem; }

/* Reveal animation */
.service-card, .value-card, .process-card, .portfolio-card, .feature-item, .stat-box {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .6s ease, transform .6s ease;
}
.service-card.revealed, .value-card.revealed, .process-card.revealed,
.portfolio-card.revealed, .feature-item.revealed, .stat-box.revealed {
    opacity: 1;
    transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
    .service-card, .value-card, .process-card, .portfolio-card, .feature-item, .stat-box {
        opacity: 1;
        transform: none;
    }
}

/* Back to top */
.back-to-top {
    position: fixed;
    bottom: 1.4rem; right: 1.4rem;
    width: 46px; height: 46px;
    border-radius: 12px;
    border: 0;
    background: var(--gradient);
    color: #fff;
    font-size: 1.1rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
    z-index: 1050;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
    .hero-visual { min-height: 300px; margin-top: 2rem; }
    .hero-card.card-main { left: 0; }
    .hero { padding: 4.5rem 0 4rem; }
    .section { padding: 3.8rem 0; }
    .navbar-collapse { padding: 1rem 0; }
    .site-header.header-transparent { background: var(--navy); }
    .btn-sm-nav { display: inline-block; margin-top: .5rem; }
    .why-panel { margin-top: 2rem; }
    .sidebar-cta, .project-meta { position: static; }
}

@media (max-width: 767.98px) {
    .hero-card { width: 200px; }
    .hero-card.card-main { left: 0; }
    .hero-card.card-palette { left: 15%; }
    .portfolio-detail-hero { height: 220px; }
    .carousel-control-prev { left: -4px; }
    .carousel-control-next { right: -4px; }
    .contact-form-card { padding: 1.6rem; }
}