/*
Theme Name: Thomas Spahn Digital
Theme URI: https://thomasspahn.de
Author: Thomas Spahn
Author URI: https://thomasspahn.de
Description: Professionelle digitale Visitenkarte – Freelancer für digitale Transformation, Automatisierung, Websites & Custom Software.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: Private
Text Domain: ts-digital
*/

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --blue:          #0652e9;
    --blue-dark:     #0441c4;
    --blue-rgb:      6, 82, 233;
    --accent:        #38b6ff;
    --accent-rgb:    56, 182, 255;
    --bg:            #ffffff;
    --bg-subtle:     #f8faff;
    --bg-muted:      #eef3ff;
    --text:          #1e293b;
    --text-2:        #64748b;
    --text-3:        #94a3b8;
    --border:        #e2e8f0;
    --border-light:  #f1f5f9;
    --green:         #22c55e;
    --red:           #ef4444;

    --sh-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --sh-md: 0 4px 12px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.04);
    --sh-lg: 0 10px 30px rgba(0,0,0,.08), 0 4px 8px rgba(0,0,0,.04);
    --sh-xl: 0 20px 60px rgba(0,0,0,.10), 0 8px 20px rgba(0,0,0,.05);

    --r:   0.5rem;
    --r-lg: 0.875rem;
    --r-xl: 1.25rem;
    --tr:  180ms ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: var(--blue); text-decoration: none; transition: color var(--tr); }
a:hover { color: var(--blue-dark); }

.container {
    width: 100%;
    max-width: 1340px;
    margin-inline: auto;
    padding-inline: 2rem;
}

/* =============================================
   HEADER
   ============================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-light);
    transition: box-shadow var(--tr);
}
.site-header.scrolled { box-shadow: var(--sh-md); }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 2rem;
}

/* Logo */
.site-logo a {
    display: flex;
    align-items: center;
    gap: .75rem;
    text-decoration: none;
}
.site-logo img { height: 38px; width: auto; }
.brand-name {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -.02em;
}
.brand-name em {
    font-style: normal;
    color: var(--blue);
}

/* Nav */
.site-nav ul {
    display: flex;
    align-items: center;
    gap: .25rem;
    list-style: none;
}
.site-nav ul li a {
    display: block;
    padding: .5rem .9rem;
    font-size: .9375rem;
    font-weight: 500;
    color: var(--text-2);
    border-radius: var(--r);
    transition: all var(--tr);
}
.site-nav ul li a:hover {
    color: var(--blue);
    background: var(--bg-muted);
}
.site-nav ul li a.nav-cta {
    background: var(--blue);
    color: #fff;
    padding-inline: 1.25rem;
}
.site-nav ul li a.nav-cta:hover {
    background: var(--blue-dark);
    color: #fff;
}

/* Hamburger */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: .5rem;
    border: none;
    background: none;
    border-radius: var(--r);
}
.menu-toggle:hover { background: var(--bg-muted); }
.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all .25s ease;
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   HERO SECTION
   ============================================= */
.hero-section {
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    background: linear-gradient(140deg, #ffffff 0%, #f8faff 55%, #eef3ff 100%);
    position: relative;
    overflow: hidden;
    padding-block: 4rem;
}

/* Decorative blobs */
.hero-section::before {
    content: '';
    position: absolute;
    top: -15%;
    right: -8%;
    width: 680px;
    height: 680px;
    background: radial-gradient(circle, rgba(56,182,255,.07) 0%, transparent 68%);
    pointer-events: none;
    z-index: 0;
}
.hero-section::after {
    content: '';
    position: absolute;
    bottom: -15%;
    left: -8%;
    width: 580px;
    height: 580px;
    background: radial-gradient(circle, rgba(6,82,233,.05) 0%, transparent 68%);
    pointer-events: none;
    z-index: 0;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* ── Left Column ── */
.hero-content { padding-block: 2rem; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: var(--bg-muted);
    border: 1px solid rgba(var(--blue-rgb),.18);
    color: var(--blue);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: .375rem 1rem;
    border-radius: 100px;
    margin-bottom: 1.75rem;
}
.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse-dot 2.2s infinite;
}
@keyframes pulse-dot {
    0%,100% { opacity:1; transform:scale(1); }
    50%      { opacity:.5; transform:scale(.7); }
}

.hero-title {
    font-size: clamp(2rem, 3.6vw, 3.25rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -.035em;
    color: var(--text);
    margin-bottom: .875rem;
}
.hero-title .hl {
    background: linear-gradient(130deg, var(--blue) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 1.0625rem;
    font-weight: 500;
    color: var(--text-2);
    margin-bottom: 2.25rem;
    letter-spacing: .01em;
}
.hero-tagline span { color: var(--blue); }

.hero-divider {
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--blue), var(--accent));
    border-radius: 2px;
    margin-bottom: 1.75rem;
}

.hero-pills {
    display: flex;
    flex-wrap: wrap;
    gap: .625rem;
    margin-bottom: 2.25rem;
}
.pill {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .5625rem 1rem;
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 100px;
    font-size: .9375rem;
    font-weight: 500;
    color: var(--text);
    box-shadow: var(--sh-sm);
    transition: all var(--tr);
    cursor: default;
}
.pill:hover {
    border-color: var(--blue);
    color: var(--blue);
    box-shadow: 0 0 0 3px rgba(var(--blue-rgb),.08);
    transform: translateY(-1px);
}
.pill svg { width: 15px; height: 15px; color: var(--accent); flex-shrink: 0; }

.hero-desc {
    font-size: 1rem;
    color: var(--text-2);
    line-height: 1.75;
    max-width: 460px;
}

/* ── Right Column – Form Card ── */
#contact { scroll-margin-top: 88px; }

.form-card {
    background: #fff;
    border-radius: var(--r-xl);
    padding: 2.5rem;
    box-shadow: var(--sh-xl);
    border: 1px solid var(--border-light);
    position: relative;
}
.form-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--blue), var(--accent));
    border-radius: var(--r-xl) var(--r-xl) 0 0;
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -.025em;
    margin-bottom: .375rem;
}
.form-sub {
    font-size: .9375rem;
    color: var(--text-2);
    margin-bottom: 1.75rem;
}

/* Form grid */
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin-bottom: .8rem; }
.f-row.full { grid-template-columns: 1fr; }

.f-group { display: flex; flex-direction: column; gap: .3125rem; }

.f-group label {
    font-size: .8125rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: .01em;
}
.f-group label .req { color: var(--accent); margin-left: 2px; }

.f-group input,
.f-group textarea {
    width: 100%;
    padding: .6875rem .875rem;
    font-size: .9375rem;
    font-family: inherit;
    color: var(--text);
    background: var(--bg-subtle);
    border: 1.5px solid var(--border);
    border-radius: var(--r);
    outline: none;
    transition: all var(--tr);
    appearance: none;
    -webkit-appearance: none;
}
.f-group input::placeholder,
.f-group textarea::placeholder {
    color: var(--text-3);
    font-size: .875rem;
}
.f-group input:hover,
.f-group textarea:hover  { border-color: #c0cfe8; }
.f-group input:focus,
.f-group textarea:focus  {
    background: #fff;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(var(--blue-rgb),.1);
}
.f-group textarea { min-height: 100px; resize: vertical; line-height: 1.55; }

/* Captcha */
.captcha-row {
    display: flex;
    align-items: center;
    gap: .625rem;
    margin-bottom: .8rem;
}
.captcha-question {
    display: flex;
    align-items: center;
    gap: .5rem;
    background: var(--bg-muted);
    border: 1.5px solid var(--border);
    padding: .6875rem 1rem;
    border-radius: var(--r);
    font-size: .9375rem;
    font-weight: 700;
    color: var(--blue);
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 110px;
}
.captcha-question svg { width: 14px; height: 14px; opacity: .6; }
.captcha-ans-wrap { flex: 1; }
.captcha-ans-wrap input { text-align: center; font-weight: 700; letter-spacing: .06em; }

.captcha-refresh {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    background: none;
    border: 1.5px solid var(--border);
    border-radius: var(--r);
    cursor: pointer;
    color: var(--text-3);
    transition: all var(--tr);
    padding: 0;
}
.captcha-refresh:hover { border-color: var(--blue); color: var(--blue); background: var(--bg-muted); }
.captcha-refresh svg { width: 15px; height: 15px; transition: transform .5s ease; }
.captcha-refresh.spinning svg { transform: rotate(360deg); }

/* Submit */
.submit-btn {
    width: 100%;
    margin-top: 1.25rem;
    padding: .9375rem 1.5rem;
    background: linear-gradient(135deg, var(--blue) 0%, #1a6ef7 40%, var(--accent) 100%);
    background-size: 200% 200%;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: .01em;
    border: none;
    border-radius: var(--r);
    cursor: pointer;
    transition: all .3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .625rem;
}
.submit-btn:hover {
    background-position: right;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(var(--blue-rgb),.35);
}
.submit-btn:active  { transform: translateY(0); }
.submit-btn:disabled { opacity: .65; cursor: not-allowed; transform: none; }
.submit-btn svg { width: 18px; height: 18px; }
.btn-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .65s linear infinite;
}
.submit-btn.loading .btn-text,
.submit-btn.loading .btn-arrow { display: none; }
.submit-btn.loading .btn-spinner { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Messages */
.form-msg {
    display: none;
    align-items: flex-start;
    gap: .625rem;
    padding: .875rem 1rem;
    border-radius: var(--r);
    font-size: .9375rem;
    font-weight: 500;
    margin-top: 1rem;
    line-height: 1.5;
}
.form-msg.success {
    display: flex;
    background: #f0fdf4;
    border: 1px solid #86efac;
    color: #15803d;
}
.form-msg.error {
    display: flex;
    background: #fef2f2;
    border: 1px solid #fca5a5;
    color: #dc2626;
}
.form-msg svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }

.field-err {
    font-size: .75rem;
    color: var(--red);
    margin-top: .25rem;
}

.form-privacy {
    font-size: .75rem;
    color: var(--text-3);
    text-align: center;
    margin-top: .875rem;
    line-height: 1.5;
}
.form-privacy a { color: var(--text-2); text-decoration: underline; text-underline-offset: 2px; }

/* =============================================
   GENERIC PAGE LAYOUT
   ============================================= */
.page-banner {
    background: linear-gradient(135deg, var(--bg) 0%, var(--bg-subtle) 100%);
    border-bottom: 1px solid var(--border-light);
    padding: 4rem 0 3rem;
}
.page-banner .pg-title {
    font-size: clamp(1.875rem, 3vw, 2.625rem);
    font-weight: 800;
    letter-spacing: -.035em;
    margin-bottom: .5rem;
}
.page-banner .pg-title .dot { color: var(--blue); }
.page-banner .pg-lead { color: var(--text-2); font-size: 1.0625rem; }

.page-body { padding: 3.5rem 0 5rem; }
.page-body .inner { max-width: 820px; }

.content h2 { font-size: 1.375rem; font-weight: 700; margin: 2.5rem 0 .875rem; color: var(--text); }
.content h3 { font-size: 1.125rem; font-weight: 700; margin: 1.875rem 0 .625rem; }
.content p  { color: var(--text-2); line-height: 1.8; margin-bottom: 1.125rem; }
.content ul,
.content ol { padding-left: 1.5rem; margin-bottom: 1.125rem; color: var(--text-2); }
.content li { line-height: 1.75; margin-bottom: .3125rem; }
.content a  { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
.content strong { color: var(--text); font-weight: 600; }
.content address { font-style: normal; color: var(--text-2); line-height: 1.8; }

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
    background: var(--text);
    color: rgba(255,255,255,.6);
    padding: 2.5rem 0 0;
}
.footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.25rem;
    padding-bottom: 2rem;
}
.footer-logo-wrap {
    display: flex;
    align-items: center;
    gap: .75rem;
    text-decoration: none;
}
.footer-logo-wrap img { height: 32px; width: auto; filter: brightness(0) invert(1); opacity: .75; }
.footer-brand-name { font-size: .9375rem; font-weight: 600; color: rgba(255,255,255,.85); }

.footer-nav ul { display: flex; align-items: center; flex-wrap: wrap; gap: .25rem; list-style: none; }
.footer-nav a {
    display: block;
    padding: .375rem .75rem;
    font-size: .875rem;
    color: rgba(255,255,255,.5);
    border-radius: var(--r);
    transition: all var(--tr);
}
.footer-nav a:hover { color: rgba(255,255,255,.9); background: rgba(255,255,255,.07); }

.footer-copy {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 1.25rem 0;
    font-size: .8125rem;
    color: rgba(255,255,255,.35);
    text-align: center;
}

/* =============================================
   FADE-IN ANIMATION
   ============================================= */
.fade-in { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
    .hero-inner  { gap: 2.5rem; }
    .form-card   { padding: 2rem; }
}

@media (max-width: 768px) {
    .container { padding-inline: 1.25rem; }

    .menu-toggle { display: flex; }

    .site-nav {
        position: fixed;
        top: 72px; left: 0; right: 0;
        background: #fff;
        border-bottom: 1px solid var(--border);
        padding: 1rem 1.25rem 1.5rem;
        box-shadow: var(--sh-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all .25s ease;
        z-index: 199;
    }
    .site-nav.open { transform: none; opacity: 1; pointer-events: auto; }
    .site-nav ul { flex-direction: column; align-items: stretch; gap: .25rem; }
    .site-nav ul li a { padding: .75rem 1rem; }

    .hero-section { padding-block: 2.5rem; min-height: auto; }
    .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
    .hero-content { padding-block: 0; }

    .f-row { grid-template-columns: 1fr; }

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

@media (max-width: 480px) {
    .form-card { padding: 1.5rem; }
    .hero-pills { gap: .5rem; }
    .pill { font-size: .875rem; padding: .5rem .875rem; }
    .captcha-row { flex-wrap: wrap; }
    .captcha-ans-wrap { flex: 1 1 80px; }
}