/* =========================================================
   TA – KFZ-SACHVERSTÄNDIGER  |  Turgay Akcakaya
   Premium dark theme  |  Copper accents
   ========================================================= */

:root {
    --color-bg: #050505;
    --color-bg-elevated: #0d0d0d;
    --color-bg-card: #111111;
    --color-border: #1f1f1f;
    --color-border-strong: #2a2a2a;

    --color-primary: #c17a3a;
    --color-highlight: #d4955a;
    --color-shadow: #8b4e1e;

    --color-text: #f2f2f2;
    --color-text-muted: #a9a9a9;
    --color-text-dim: #6f6f6f;

    --font-display: "Cormorant Garamond", "Playfair Display", Georgia, serif;
    --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    --max-width: 1240px;
    --section-padding: clamp(5rem, 10vw, 9rem) clamp(1.25rem, 5vw, 3rem);
    --radius-sm: 4px;
    --radius-md: 10px;
    --radius-lg: 18px;

    --shadow-glow: 0 0 60px rgba(193, 122, 58, 0.18);
    --shadow-card: 0 30px 60px rgba(0, 0, 0, 0.55);

    --easing: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(193, 122, 58, 0.12), transparent 70%),
        radial-gradient(ellipse 60% 50% at 100% 100%, rgba(139, 78, 30, 0.08), transparent 70%);
    background-attachment: fixed;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-highlight);
    text-decoration: none;
    transition: color 0.25s var(--easing);
}

a:hover {
    color: var(--color-primary);
}

/* ============= Typography ============= */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2.6rem, 6vw, 4.8rem);
    font-weight: 600;
}

h2 {
    font-size: clamp(2rem, 4.2vw, 3.4rem);
}

h3 {
    font-size: clamp(1.35rem, 2.2vw, 1.7rem);
}

p {
    color: var(--color-text-muted);
    font-size: 1.02rem;
    max-width: 65ch;
}

.lead {
    font-size: 1.15rem;
    color: var(--color-text);
    max-width: 60ch;
}

.eyebrow {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
}

.eyebrow::before {
    content: "";
    display: inline-block;
    width: 28px;
    height: 1px;
    background: var(--color-primary);
    vertical-align: middle;
    margin-right: 14px;
    transform: translateY(-2px);
}

/* Right-side line for centered eyebrows (hero, section headers) */
.hero .eyebrow::after,
.section-header .eyebrow::after,
.page-header .eyebrow::after,
.cta .eyebrow::after {
    content: "";
    display: inline-block;
    width: 28px;
    height: 1px;
    background: var(--color-primary);
    vertical-align: middle;
    margin-left: 14px;
    transform: translateY(-2px);
}

.gold-text {
    background: linear-gradient(135deg, var(--color-highlight) 0%, var(--color-primary) 50%, var(--color-shadow) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ============= Layout ============= */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 5vw, 3rem);
}

section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4.5rem;
}

.section-header p {
    margin: 1.25rem auto 0;
}

/* ============= Navigation ============= */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.1rem 0;
    background: rgba(5, 5, 5, 0.65);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid transparent;
    transition: background 0.35s var(--easing), border-color 0.35s var(--easing), padding 0.35s var(--easing);
}

.site-header.scrolled {
    background: rgba(5, 5, 5, 0.92);
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem 0;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    color: var(--color-text);
}

.nav-brand img {
    height: 46px;
    width: auto;
    transition: transform 0.4s var(--easing);
}

.nav-brand:hover img {
    transform: scale(1.04);
}

.nav-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

.nav-brand-name {
    font-family: var(--font-display);
    font-size: 1.15rem;
    letter-spacing: 0.02em;
    color: var(--color-text);
}

.nav-brand-sub {
    font-size: 0.66rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-top: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.4rem;
    list-style: none;
}

.nav-links a {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    position: relative;
    padding: 0.4rem 0;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width 0.35s var(--easing);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text);
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-shadow) 100%);
    color: var(--color-text) !important;
    padding: 0.7rem 1.4rem !important;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: transform 0.3s var(--easing), box-shadow 0.3s var(--easing) !important;
}

.nav-cta::after { display: none; }

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(193, 122, 58, 0.35);
    color: var(--color-text) !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: 0.5rem;
    z-index: 110;
    align-items: center;
    justify-content: center;
}

.nav-toggle svg { width: 26px; height: 26px; pointer-events: none; }

.nav-toggle .icon-close { display: none; }
.nav-toggle.is-open .icon-open { display: none; }
.nav-toggle.is-open .icon-close { display: block; }

/* ============= Buttons ============= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.35s var(--easing);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-shadow) 100%);
    color: var(--color-text);
    box-shadow: 0 12px 32px rgba(193, 122, 58, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(193, 122, 58, 0.4);
    color: var(--color-text);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border-strong);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-arrow {
    transition: transform 0.3s var(--easing);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* ============= Hero ============= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 1.5rem 5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(193, 122, 58, 0.16) 0%, transparent 60%);
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-logo {
    width: clamp(300px, 50vw, 520px);
    margin: 0 auto 2.5rem;
    filter: drop-shadow(0 18px 60px rgba(193, 122, 58, 0.25));
}

.hero h1 {
    margin-bottom: 1.8rem;
}

.hero-tagline {
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-text-dim);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.7rem;
    z-index: 1;
}

.scroll-indicator::after {
    content: "";
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scroll-line 2.2s ease-in-out infinite;
}

@keyframes scroll-line {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============= Service Grid (editorial) ============= */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 0;
    margin-top: 4rem;
    border-top: 1px solid var(--color-border);
    counter-reset: service;
}

.service-card {
    padding: 2.6rem 2rem 2.8rem;
    position: relative;
    border-bottom: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    transition: background 0.4s var(--easing);
    counter-increment: service;
    background: transparent;
}

.service-card:nth-child(3n) { border-right: none; }

.service-card::before {
    content: counter(service, decimal-leading-zero);
    position: absolute;
    top: 1.6rem;
    right: 1.8rem;
    font-family: var(--font-display);
    font-size: 0.92rem;
    letter-spacing: 0.18em;
    color: var(--color-text-dim);
    transition: color 0.4s var(--easing);
}

.service-card::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width 0.55s var(--easing);
}

.service-card:hover {
    background: rgba(193, 122, 58, 0.025);
}

.service-card:hover::before { color: var(--color-primary); }
.service-card:hover::after { width: 100%; }

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.55rem;
    padding-right: 3rem;
}

.service-card p {
    font-size: 0.96rem;
    color: var(--color-text-muted);
    max-width: 38ch;
}

.service-grid-wrap { counter-reset: service; }

@media (max-width: 900px) {
    .service-card { border-right: none !important; }
}

/* ============= About Section ============= */
.about {
    background: linear-gradient(180deg, transparent 0%, rgba(13, 13, 13, 0.6) 50%, transparent 100%);
}

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

.about-content h2 {
    margin-bottom: 1.8rem;
}

.about-content p {
    margin-bottom: 1.2rem;
}

.about-credentials {
    list-style: none;
    margin: 2rem 0;
    padding: 0;
}

.about-credentials li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 0.98rem;
}

.about-credentials li:last-child { border-bottom: none; }

.about-credentials svg {
    flex-shrink: 0;
    color: var(--color-primary);
    width: 20px;
    height: 20px;
    margin-top: 4px;
}

.about-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    min-height: 380px;
}

.about-visual::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 110%;
    height: 110%;
    background:
        radial-gradient(circle at 50% 50%, rgba(193, 122, 58, 0.18), transparent 60%);
    pointer-events: none;
    z-index: 0;
}

.about-visual > img {
    position: relative;
    z-index: 1;
    max-width: 92%;
    filter: drop-shadow(0 25px 60px rgba(193, 122, 58, 0.35)) drop-shadow(0 0 30px rgba(0, 0, 0, 0.5));
}

.about-visual {
    flex-direction: column;
    gap: 2.5rem;
}

/* ============= DESAG Credential / Badge ============= */
.credential {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
}

.credential-label {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--color-text-dim);
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
}

.credential-label::before,
.credential-label::after {
    content: "";
    width: 20px;
    height: 1px;
    background: var(--color-border-strong);
}

.cert-badge,
.desag-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    padding: 0.7rem 1.1rem;
    border-radius: 6px;
    box-shadow:
        0 12px 30px rgba(0, 0, 0, 0.45),
        0 0 0 1px rgba(255, 255, 255, 0.06);
    transition: transform 0.35s var(--easing), box-shadow 0.35s var(--easing);
}

.cert-badge:hover,
.desag-badge:hover {
    transform: translateY(-2px);
    box-shadow:
        0 18px 40px rgba(0, 0, 0, 0.55),
        0 0 0 1px rgba(193, 122, 58, 0.25);
}

.cert-badge img,
.desag-badge img {
    display: block;
    height: 52px;
    width: auto;
}

/* Two-up badge row under the credential label */
.credential-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    flex-wrap: wrap;
}

/* Footer variant – smaller, sits next to TA logo */
.footer-brand .footer-logos {
    display: flex;
    align-items: center;
    gap: 1.3rem;
    flex-wrap: wrap;
    margin-bottom: 1.3rem;
}

.footer-brand .footer-logos > img {
    height: 60px;
    margin-bottom: 0;
}

.footer-brand .cert-badge,
.footer-brand .desag-badge {
    padding: 0.5rem 0.85rem;
    box-shadow:
        0 8px 20px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.05);
}

.footer-brand .cert-badge img,
.footer-brand .desag-badge img {
    height: 36px;
}

/* Badge for square-ish logos (BSG) — keep visual mass even */
.cert-badge img[src*="bsg"] {
    height: 56px;
}

.footer-brand .cert-badge img[src*="bsg"] {
    height: 40px;
}

@media (max-width: 720px) {
    .cert-badge img,
    .desag-badge img { height: 44px; }
    .cert-badge img[src*="bsg"] { height: 48px; }

    .footer-brand .cert-badge img,
    .footer-brand .desag-badge img { height: 32px; }
    .footer-brand .cert-badge img[src*="bsg"] { height: 36px; }
    .footer-brand .footer-logos > img { height: 50px; }

    .credential-badges { gap: 0.65rem; }
    .footer-brand .footer-logos { gap: 1rem; }
}

@media (max-width: 480px) {
    .cert-badge,
    .desag-badge { padding: 0.55rem 0.9rem; }
    .cert-badge img,
    .desag-badge img { height: 38px; }
    .cert-badge img[src*="bsg"] { height: 42px; }

    .footer-brand .cert-badge img,
    .footer-brand .desag-badge img { height: 28px; }
    .footer-brand .cert-badge img[src*="bsg"] { height: 32px; }
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--color-border);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-label {
    font-size: 0.82rem;
    color: var(--color-text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ============= CTA Section ============= */
.cta {
    text-align: center;
    padding: clamp(4rem, 8vw, 7rem) 1.5rem;
    background: linear-gradient(180deg, transparent 0%, rgba(193, 122, 58, 0.05) 100%);
    border-top: 1px solid var(--color-border);
}

.cta h2 {
    margin-bottom: 1.2rem;
}

.cta p {
    margin: 0 auto 2.5rem;
}

/* ============= Footer ============= */
.site-footer {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    padding: 4rem 0 2rem;
    margin-top: 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand img {
    height: 60px;
    margin-bottom: 1.2rem;
}

.footer-brand p {
    font-size: 0.92rem;
    max-width: 320px;
}

.footer-col h4 {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 1.2rem;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 0.7rem; }

.footer-col a {
    color: var(--color-text-muted);
    font-size: 0.92rem;
}

.footer-col a:hover { color: var(--color-text); }

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 1.8rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

/* ============= Page Header (interior pages) ============= */
.page-header {
    padding: 12rem 1.5rem 5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 50% 30%, rgba(193, 122, 58, 0.13), transparent 70%);
    pointer-events: none;
}

.page-header-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.page-header h1 {
    margin-bottom: 1.5rem;
    font-size: clamp(2.4rem, 5vw, 3.8rem);
}

.page-header p {
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

/* ============= Two-Column Content ============= */
.content-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    margin-bottom: 6rem;
}

.content-block.reverse .content-text { order: 2; }
.content-block.reverse .content-visual { order: 1; }

.content-text h2 { margin-bottom: 1.6rem; }
.content-text p { margin-bottom: 1.1rem; }

.feature-list {
    list-style: none;
    margin-top: 2rem;
}

.feature-list li {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

.feature-list li:last-child { border-bottom: none; }

.feature-list .feature-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(193, 122, 58, 0.15), rgba(139, 78, 30, 0.05));
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-list .feature-icon svg { width: 18px; height: 18px; }

.feature-list h4 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.3rem;
}

.feature-list p {
    font-size: 0.9rem;
    margin: 0;
}

.content-visual {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-bg-card), var(--color-bg-elevated));
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-visual::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(193, 122, 58, 0.12), transparent 70%);
}

.content-visual .icon-display {
    position: relative;
    z-index: 1;
    color: var(--color-primary);
    opacity: 0.35;
}

.content-visual .icon-display svg {
    width: 200px;
    height: 200px;
}

/* ============= Contact Form ============= */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 5rem;
    align-items: start;
}

.contact-info h3 {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-top: 2rem;
    margin-bottom: 0.8rem;
}

.contact-info h3:first-child { margin-top: 0; }

.contact-info p,
.contact-info a {
    color: var(--color-text);
    font-size: 1rem;
    line-height: 1.7;
}

.contact-info p { color: var(--color-text-muted); }

.contact-info a:hover { color: var(--color-primary); }

.contact-form {
    background: linear-gradient(180deg, var(--color-bg-card), var(--color-bg-elevated));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-card);
    position: relative;       /* contain absolutely-positioned honeypot */
    width: 100%;
    max-width: 100%;
    overflow: hidden;         /* belt-and-suspenders against rogue overflow */
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.6rem;
}

.form-group label .required {
    color: var(--color-primary);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    background: var(--color-bg);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    padding: 0.95rem 1.1rem;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.98rem;
    transition: border-color 0.3s var(--easing), background 0.3s var(--easing), box-shadow 0.3s var(--easing);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-bg-elevated);
    box-shadow: 0 0 0 3px rgba(193, 122, 58, 0.12);
}

.form-control::placeholder {
    color: var(--color-text-dim);
}

textarea.form-control {
    resize: vertical;
    min-height: 160px;
    line-height: 1.6;
}

/* ============= Custom Checkbox ============= */
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 1.1rem;
    padding: 1.3rem 1.4rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 0.3s var(--easing), background 0.3s var(--easing);
    position: relative;
    user-select: none;
}

.checkbox-group:hover {
    border-color: var(--color-shadow);
    background: linear-gradient(180deg, rgba(193, 122, 58, 0.04), transparent);
}

.checkbox-group input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.checkbox-visual {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 4px;
    border: 1.5px solid var(--color-border-strong);
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
    transition: all 0.25s var(--easing);
    position: relative;
}

.checkbox-visual svg {
    width: 14px;
    height: 14px;
    color: var(--color-bg);
    opacity: 0;
    transform: scale(0.6);
    transition: all 0.2s var(--easing);
    stroke-width: 3;
}

.checkbox-group:hover .checkbox-visual {
    border-color: var(--color-primary);
}

.checkbox-group input[type="checkbox"]:checked ~ .checkbox-visual {
    background: linear-gradient(135deg, var(--color-primary), var(--color-shadow));
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(193, 122, 58, 0.18);
}

.checkbox-group input[type="checkbox"]:checked ~ .checkbox-visual svg {
    opacity: 1;
    transform: scale(1);
}

.checkbox-group input[type="checkbox"]:focus-visible ~ .checkbox-visual {
    box-shadow: 0 0 0 3px rgba(193, 122, 58, 0.25);
}

.checkbox-text {
    color: var(--color-text);
    font-size: 0.96rem;
    line-height: 1.55;
}

.checkbox-text strong {
    display: block;
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.checkbox-text small {
    color: var(--color-text-dim);
    font-size: 0.82rem;
    line-height: 1.5;
    display: block;
}

.checkbox-text small a:hover { color: var(--color-primary); }

/* Invalid state for required checkbox */
.checkbox-group.is-invalid {
    border-color: #c54f3e;
    background: linear-gradient(180deg, rgba(197, 79, 62, 0.06), transparent);
}

.checkbox-group.is-invalid .checkbox-visual {
    border-color: #c54f3e;
}

/* Honeypot – visually hidden, kept reachable for bots */
.hp-field {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-submit {
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
}

.form-notice {
    font-size: 0.8rem;
    color: var(--color-text-dim);
    margin-top: 1.2rem;
    text-align: center;
}

.form-success {
    display: none;
    text-align: center;
    padding: 3rem 1rem;
}

.form-success.active { display: block; }

.form-success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-shadow));
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-success-icon svg { width: 32px; height: 32px; color: white; }

.form-success h3 { margin-bottom: 0.6rem; }

/* ============= Process Steps ============= */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    counter-reset: step;
}

.process-step {
    position: relative;
    padding: 2rem 1.5rem;
    text-align: center;
    counter-increment: step;
}

.process-step::before {
    content: "0" counter(step);
    display: block;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 500;
    color: var(--color-primary);
    opacity: 0.4;
    line-height: 1;
    margin-bottom: 1rem;
}

.process-step h4 {
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.6rem;
}

.process-step p { font-size: 0.92rem; }

/* ============= Animations ============= */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s var(--easing), transform 0.8s var(--easing);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============= Responsive ============= */
@media (max-width: 960px) {
    .about-grid,
    .content-block,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .content-block.reverse .content-text { order: 1; }
    .content-block.reverse .content-visual { order: 2; }

    .about-visual { max-width: 480px; margin: 0 auto; }

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

    .form-row { grid-template-columns: 1fr; gap: 0; }

    .contact-form { padding: 1.75rem; }

    .contact-layout { gap: 2.5rem; }
}

@media (max-width: 560px) {
    .contact-form {
        padding: 1.25rem;
        border-radius: var(--radius-md);
    }

    .contact-form .form-group { margin-bottom: 1.25rem; }

    .checkbox-group { padding: 1rem 1.1rem; gap: 0.85rem; }

    .form-control { padding: 0.9rem 1rem; font-size: 0.95rem; }

    textarea.form-control { min-height: 140px; }
}

@media (max-width: 820px) {
    .nav-toggle { display: flex; }

    .nav-brand-text { display: none; }

    .nav-brand img { height: 40px; }

    .nav-links {
        position: fixed;
        inset: 0;
        background: rgba(5, 5, 5, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 2.2rem;
        transform: translateX(100%);
        transition: transform 0.45s var(--easing);
        padding: 6rem 2rem 2rem;
    }

    .nav-links.open { transform: translateX(0); }

    .nav-links a {
        font-family: var(--font-display);
        font-size: 1.8rem;
        color: var(--color-text);
        letter-spacing: 0.01em;
    }

    .nav-links a::after { display: none; }

    .nav-links .nav-cta {
        margin-top: 1.5rem;
        padding: 1rem 2rem !important;
        font-family: var(--font-body) !important;
        font-size: 0.95rem !important;
        text-transform: uppercase;
        letter-spacing: 0.1em;
    }

    /* prevent scroll under menu */
    body.menu-open { overflow: hidden; }

    .page-header { padding: 9rem 1.5rem 4rem; }

    .stats-row { grid-template-columns: 1fr; gap: 1rem; }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom { flex-direction: column; text-align: center; }

    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { justify-content: center; }

    .service-card { padding: 2.2rem 1.4rem 2.4rem; }
    .service-card h3 { font-size: 1.35rem; padding-right: 2.5rem; }
}