/* ============================================
   LOUDMOUTH STUDIO — style.css
   ============================================ */

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

:root {
    --bg:           #0c0c0c;
    --bg-2:         #131313;
    --bg-3:         #1a1a1a;
    --bg-card:      #1e1e1e;
    --accent:       #b85252;
    --accent-light: #cc7575;
    --text:         #f0ede8;
    --text-muted:   #7a7872;
    --text-dim:     #4a4845;
    --border:       #252525;
    --border-light: #2e2e2e;
    --valid:        #4a7c59;

    --nav-bg:            rgba(12, 12, 12, 0.92);
    --hero-overlay-near: rgba(12, 12, 12, 0.10);
    --hero-overlay-far:  rgba(12, 12, 12, 0.88);

    --font-serif:  'Cormorant Garamond', Georgia, serif;
    --font-sans:   'Inter', system-ui, sans-serif;

    --max-w: 1280px;
    --nav-h: 72px;
}

[data-theme="light"] {
    --bg:           #f5f2ee;
    --bg-2:         #edeae4;
    --bg-3:         #e4dfd9;
    --bg-card:      #ede9e3;
    --text:         #1a1714;
    --text-muted:   #6b665f;
    --text-dim:     #a8a29c;
    --border:       #d5cfc8;
    --border-light: #c5bfb8;

    --nav-bg:            rgba(245, 242, 238, 0.94);
    --hero-overlay-near: rgba(245, 242, 238, 0.05);
    --hero-overlay-far:  rgba(245, 242, 238, 0.82);
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
    opacity: 0.025;
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 48px;
}

a { color: inherit; text-decoration: none; }

img, video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* --- CUSTOM CURSOR --- */
@media (pointer: fine) {
    * { cursor: none !important; }
}

.cursor-dot {
    position: fixed;
    top: 0; left: 0;
    width: 12px; height: 12px;
    background: var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s ease, height 0.2s ease, background 0.2s ease;
}

.cursor-ring {
    position: fixed;
    top: 0; left: 0;
    width: 84px; height: 84px;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 50%;
    background: transparent;
    transition: width 0.35s ease, height 0.35s ease, background 0.35s ease;
    opacity: 0;
}

.cursor-ring.expanded {
    opacity: 0;
}

.cursor-ring.labeled {
    width: 84px; height: 84px;
    background: #ffffff;
    opacity: 1;
}

.cursor-ring::before {
    content: '';
    font-size: 0.5rem;
    font-family: var(--font-sans);
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #000000;
    opacity: 0;
    transition: opacity 0.2s ease;
    position: absolute;
    white-space: nowrap;
}

.cursor-ring.labeled::before {
    content: 'Otwórz';
    opacity: 1;
}

@media (pointer: coarse) {
    .cursor-dot, .cursor-ring { display: none; }
}

/* --- FOCUS STYLES (dostępność klawiatury) --- */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* --- REVEAL ANIMATIONS --- */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- NAVIGATION --- */
#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-logo {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 1px;
    background: var(--accent);
    transition: width 0.3s;
}

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

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

.nav-links a.nav-cta {
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 8px 20px;
    border-radius: 2px;
    transition: background 0.3s, color 0.3s;
}

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

.nav-links a.nav-cta:hover,
.nav-links a.nav-cta.active {
    background: var(--accent);
    color: var(--bg);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

/* --- THEME TOGGLE --- */
.theme-toggle {
    width: 36px; height: 36px;
    background: none;
    border: 1px solid var(--border-light);
    color: var(--text-muted);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
    transition: border-color 0.3s, color 0.3s;
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.theme-toggle svg {
    width: 15px; height: 15px;
    position: absolute;
    transition: opacity 0.35s ease, transform 0.4s ease;
}

.icon-sun  { opacity: 1; transform: rotate(0deg)   scale(1);   }
.icon-moon { opacity: 0; transform: rotate(-90deg) scale(0.6); }

[data-theme="light"] .icon-sun  { opacity: 0; transform: rotate(90deg)  scale(0.6); }
[data-theme="light"] .icon-moon { opacity: 1; transform: rotate(0deg)   scale(1);   }

/* --- PŁYNNE PRZEJŚCIE MOTYWU --- */
.theme-transitioning,
.theme-transitioning *:not(video):not(img):not(.reveal) {
    transition:
        background-color 0.4s ease,
        color            0.4s ease,
        border-color     0.4s ease !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px; height: 1px;
    background: var(--text);
    transition: transform 0.3s, opacity 0.3s;
}

/* --- HERO --- */
#hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-bg img {
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0.13;
    filter: grayscale(100%);
    transform: scale(1.1);
    will-change: transform;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, var(--hero-overlay-near) 0%, var(--hero-overlay-far) 100%);
}

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

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 32px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(5rem, 14vw, 13rem);
    font-weight: 700;
    line-height: 0.9;
    letter-spacing: -0.02em;
    color: var(--text);
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 40px;
}

.hero-title .title-line { display: block; }

.hero-title .italic {
    font-style: italic;
    color: var(--accent);
    font-weight: 300;
    font-size: 0.85em;
}

.hero-divider {
    width: 1px; height: 60px;
    background: linear-gradient(to bottom, transparent, var(--accent), transparent);
    margin: 0 auto 40px;
}

.hero-name {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.hero-tagline {
    font-family: var(--font-serif);
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    font-weight: 300;
    font-style: italic;
    color: var(--text-muted);
}

.hero-scroll-hint {
    position: absolute;
    bottom: 40px; left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    opacity: 0;
    animation: fadeIn 1s ease 1.5s forwards;
    z-index: 1;
}

.hero-scroll-hint span {
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.scroll-line {
    width: 1px; height: 48px;
    background: linear-gradient(to bottom, var(--text-dim), transparent);
    animation: scrollPulse 2s ease infinite;
}

@keyframes fadeIn { to { opacity: 1; } }

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; transform: scaleY(1); }
    50%       { opacity: 1;   transform: scaleY(1.1); }
}

/* --- SECTION SHARED --- */
section { padding: 140px 0; position: relative; }

.section-label {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 32px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 600;
    line-height: 1.05;
    color: var(--text);
    margin-bottom: 64px;
}

.section-title em {
    font-style: italic;
    font-weight: 300;
    color: var(--accent);
}

/* --- SLOGAN --- */
.slogan-section {
    padding: 120px 48px;
    background: var(--bg-2);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.slogan-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    max-width: 900px;
    width: 100%;
}

.slogan-line {
    width: 80px; height: 1px;
    background: linear-gradient(to right, transparent, var(--accent), transparent);
}

.slogan-text {
    font-family: var(--font-serif);
    font-size: clamp(3.2rem, 8vw, 7.5rem);
    font-weight: 300;
    line-height: 1.08;
    color: var(--text);
    letter-spacing: -0.01em;
}

.slogan-text em {
    font-style: italic;
    color: var(--accent);
    font-weight: 300;
}

.slogan-brand {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--text-dim);
}

/* --- O MNIE --- */
#o-mnie { background: var(--bg); }

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 760px;
}

.about-body {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 24px;
}


/* --- PORTFOLIO --- */
#portfolio { background: var(--bg-2); }

#portfolio .container { margin-bottom: 48px; }

.portfolio-filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.filter-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 8px 20px;
    transition: all 0.25s;
}

.filter-btn:hover { border-color: var(--border-light); color: var(--text); }

.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg);
}

.portfolio-grid {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 48px;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    grid-column: span 6;
}

.portfolio-item.large { grid-column: span 12; }

.portfolio-media {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--bg-3);
    transition: transform 0.7s ease;
}

.portfolio-item.large .portfolio-media { aspect-ratio: 21/9; }
.portfolio-item:hover .portfolio-media { transform: scale(1.03); }

.media-placeholder {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-dim);
    border: 1px solid var(--border);
}

.portfolio-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    transition: background 0.3s;
}

.portfolio-item:hover .portfolio-info { background: var(--bg-3); }

.portfolio-category {
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent);
}

.portfolio-title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text);
    flex: 1;
    padding: 0 20px;
}

.portfolio-arrow {
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: transform 0.3s, color 0.3s;
}

.portfolio-item:hover .portfolio-arrow {
    transform: translateX(6px);
    color: var(--accent);
}

/* --- USŁUGI --- */
#uslugi { background: var(--bg); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
}

.service-item {
    padding: 56px 48px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: background 0.3s, border-color 0.3s;
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    transition: width 0.5s ease;
}

.service-item:hover::before { width: 100%; }
.service-item:hover { background: var(--bg-3); border-color: var(--border-light); }

.service-number {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 700;
    color: var(--text-dim);
    line-height: 1;
    margin-bottom: 24px;
    transition: color 0.3s;
}

.service-item:hover .service-number { color: var(--accent); }

.service-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
}

.service-desc { font-size: 0.95rem; color: var(--text-muted); line-height: 1.75; }

/* --- PROCES --- */
#proces { background: var(--bg-2); }

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
}

.process-step {
    padding: 48px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    position: relative;
    transition: border-color 0.3s, background 0.3s;
}

.process-step:hover {
    border-color: var(--accent);
    background: var(--bg-3);
}

.step-arrow {
    position: absolute;
    top: 50%; right: -13px;
    transform: translateY(-50%);
    font-size: 1rem;
    color: var(--accent);
    background: var(--bg-2);
    padding: 4px 2px;
    z-index: 1;
}

.process-step:last-child .step-arrow { display: none; }

.step-number {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-dim);
    line-height: 1;
    margin-bottom: 20px;
    transition: color 0.3s;
}

.process-step:hover .step-number { color: var(--accent); }

.step-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 12px;
}

.step-desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }

/* --- CENNIK --- */
#cennik { background: var(--bg); }

.cennik-note {
    font-size: 0.95rem;
    color: var(--text-muted);
    max-width: 560px;
    margin-bottom: 72px;
    line-height: 1.7;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
}

.pricing-card {
    padding: 56px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    position: relative;
    transition: transform 0.3s, border-color 0.3s;
}

.pricing-card:hover { transform: translateY(-4px); border-color: var(--border-light); }

.pricing-card.featured { background: var(--bg-3); border-color: var(--accent); }

.pricing-badge {
    position: absolute;
    top: -1px; right: 40px;
    background: var(--accent);
    color: var(--bg);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 6px 14px;
}

.pricing-label {
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 24px;
}

.pricing-price {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.pricing-price span { font-size: 3rem; font-weight: 700; color: var(--text); }

.pricing-list { list-style: none; margin-bottom: 48px; }

.pricing-list li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.pricing-list li::before { content: '—'; color: var(--accent); margin-right: 12px; }

.pricing-btn {
    display: inline-block;
    width: 100%;
    text-align: center;
    padding: 14px 24px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border: 1px solid var(--border-light);
    color: var(--text-muted);
    transition: all 0.3s;
}

.pricing-btn:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }

.pricing-card.featured .pricing-btn { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.pricing-card.featured .pricing-btn:hover { background: var(--accent-light); border-color: var(--accent-light); }

/* --- ZAUFALI NAM --- */
#zaufali-nam { background: var(--bg-2); padding-bottom: 100px; }

.clients-carousel-wrapper {
    overflow: hidden;
    width: 100%;
    margin-top: 64px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 48px 0;
    mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.clients-track {
    display: flex;
    flex-wrap: nowrap;
    width: max-content;
    animation: marquee 30s linear infinite;
    will-change: transform;
    backface-visibility: hidden;
}

@keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-25%); }
}

.client-slide {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 0 48px;
    flex-shrink: 0;
}

.client-slide img {
    height: 60px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    border-radius: 8px;
    padding: 10px 16px;
    background: rgba(255,255,255,0.07);
    opacity: 0.7;
    transition: opacity 0.3s, background 0.3s;
}

.client-slide:hover img {
    opacity: 1;
    background: rgba(255,255,255,0.13);
}

.client-name {
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-dim);
    text-align: center;
    white-space: nowrap;
}

/* --- FAQ --- */
#faq { background: var(--bg); }

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    max-width: 820px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: border-color 0.3s;
}

.faq-item.open { border-color: var(--border-light); }

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    background: none;
    border: none;
    color: var(--text);
    font-family: var(--font-serif);
    font-size: 1.1rem;
    text-align: left;
    gap: 16px;
    transition: color 0.3s;
}

.faq-question:hover { color: var(--accent); }

.faq-icon {
    font-size: 1.4rem;
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--accent);
    transition: transform 0.35s ease;
    flex-shrink: 0;
    line-height: 1;
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer { max-height: 200px; }

.faq-answer p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.75;
    padding: 0 28px 28px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
    margin-top: 0;
}

/* --- KONTAKT --- */
#kontakt { background: var(--bg-2); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 100px;
    align-items: start;
}

.contact-desc { font-size: 1.05rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 56px; }

.contact-details { display: flex; flex-direction: column; gap: 32px; }

.contact-item { display: flex; flex-direction: column; gap: 6px; }

.contact-label { font-size: 0.65rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--text-dim); }

.contact-value { font-family: var(--font-serif); font-size: 1.2rem; color: var(--text); transition: color 0.3s; }
.contact-value:hover { color: var(--accent); }

.contact-form { display: flex; flex-direction: column; gap: 2px; }

.form-group { position: relative; }

.form-group--textarea { position: relative; }

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    padding: 18px 20px;
    outline: none;
    transition: border-color 0.3s;
    -webkit-appearance: none;
    appearance: none;
    resize: none;
}

.form-group select { cursor: pointer; }

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }

.form-group select option { background: var(--bg-card); color: var(--text); }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--accent); }

/* live validation */
.form-group input.valid,
.form-group textarea.valid,
.form-group select.valid { border-color: var(--valid); }

.form-group input.invalid,
.form-group textarea.invalid,
.form-group select.invalid { border-color: var(--accent); }

.char-counter {
    position: absolute;
    bottom: 12px; right: 16px;
    font-size: 0.65rem;
    letter-spacing: 0.05em;
    color: var(--text-dim);
    pointer-events: none;
}

.form-submit {
    background: var(--accent);
    color: var(--bg);
    border: none;
    padding: 18px 32px;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: background 0.3s;
    margin-top: 8px;
    will-change: transform;
}

.form-submit:hover { background: var(--accent-light); }

.form-submit span { font-size: 1rem; transition: transform 0.3s; }
.form-submit:hover span { transform: translateX(4px); }

/* --- LIGHTBOX --- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active { opacity: 1; pointer-events: all; }

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
    font-size: 1.3rem;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, background 0.2s, border-color 0.2s;
    z-index: 10;
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-prev:hover,
.lightbox-next:hover {
    color: var(--text);
    background: rgba(184, 82, 82, 0.12);
    border-color: rgba(184, 82, 82, 0.3);
}

.lightbox-close {
    position: absolute;
    top: 24px; right: 28px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    line-height: 1;
    padding: 8px;
    transition: color 0.2s;
    z-index: 10;
}

.lightbox-close:hover { color: var(--text); }

.lightbox-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    max-width: 90vw;
    max-height: 90vh;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-content { transform: scale(1); }

.lightbox-media {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 90vw;
    max-height: 80vh;
}

.lightbox-media img {
    max-width: 90vw; max-height: 80vh;
    width: auto; height: auto;
    object-fit: contain; display: block;
}

.lightbox-media video {
    max-width: 90vw; max-height: 80vh;
    width: auto; height: auto;
    display: block; outline: none;
}

.lightbox-caption { display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center; }

.lightbox-category { font-size: 0.65rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--accent); }
.lightbox-title { font-family: var(--font-serif); font-size: 1.1rem; color: var(--text-muted); }

/* --- BACK TO TOP --- */
.back-to-top {
    position: fixed;
    bottom: 32px; right: 32px;
    width: 44px; height: 44px;
    background: var(--accent);
    color: var(--bg);
    border: none;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.3s, transform 0.3s, background 0.3s;
    z-index: 1500;
    will-change: transform;
}

.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--accent-light); }

/* --- FOOTER --- */
footer { border-top: 1px solid var(--border); background: var(--bg); }

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 64px;
    padding: 64px 0 56px;
    align-items: start;
}

.footer-brand { display: flex; flex-direction: column; gap: 16px; }

.footer-logo {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.footer-tagline { font-family: var(--font-serif); font-size: 1rem; font-style: italic; color: var(--text-muted); }

.footer-nav { display: flex; flex-direction: column; gap: 16px; }

.footer-nav a {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: color 0.3s;
}

.footer-nav a:hover { color: var(--accent); }

.footer-social { display: flex; flex-direction: column; gap: 16px; }

.social-link {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: color 0.3s;
}

.social-link:hover { color: var(--accent); }

.footer-bottom { padding: 24px 0; border-top: 1px solid var(--border); }

.footer-copy { font-size: 0.75rem; color: var(--text-dim); }

/* --- MOBILE --- */
@media (max-width: 1024px) {
    .container { padding: 0 32px; }
    .portfolio-grid { padding: 0 32px; }
    #navbar { padding: 0 32px; }

    .services-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .client-slide { padding: 0 32px; }
    .contact-grid { grid-template-columns: 1fr; gap: 64px; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 48px; }
}

@media (max-width: 768px) {
    section { padding: 100px 0; }
    .container { padding: 0 24px; }
    .portfolio-grid { padding: 0 24px; gap: 12px; }
    #navbar { padding: 0 24px; }
    .slogan-section { padding: 80px 24px; }

    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    .theme-toggle { width: 32px; height: 32px; }

    .portfolio-item,
    .portfolio-item:nth-child(3),
    .portfolio-item:nth-child(4),
    .portfolio-item:nth-child(5) { grid-column: span 12; }

    .process-grid { grid-template-columns: 1fr; }
    .step-arrow { display: none; }
    .service-item { padding: 40px 28px; }
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card { padding: 40px 28px; }
    .client-slide img { height: 44px; }
    .faq-list { max-width: 100%; }

    .footer-top { grid-template-columns: 1fr; gap: 40px; padding: 48px 0 40px; }
    .back-to-top { bottom: 20px; right: 20px; }
}

/* --- PREFERS-REDUCED-MOTION --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration:       0.01ms !important;
        animation-iteration-count: 1     !important;
        transition-duration:      0.01ms !important;
        scroll-behavior:          auto   !important;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
    .hero-scroll-hint {
        opacity: 1;
    }
}