/* ============================================================
   МАСТЕР ЗАМКОФФ — CSS
   ============================================================ */

/* ---------- ПЕРЕМЕННЫЕ ---------- */
:root {
    --clr-bg:          #0d0f14;
    --clr-surface:     #161921;
    --clr-surface2:    #1e222d;
    --clr-accent:      #e8a020;
    --clr-accent-dark: #b87a10;
    --clr-gold-light:  #ffd166;
    --clr-text:        #e8ecf2;
    --clr-muted:       #8893a6;
    --clr-tg:          #29a8e0;
    --clr-max:         #7c3aed;
    --clr-avito:       #00acff;
    --clr-phone:       #2ecc71;

    --radius:    12px;
    --radius-lg: 20px;
    --shadow:    0 8px 32px rgba(0,0,0,.45);
    --transition: .28s cubic-bezier(.4,0,.2,1);

    --font-head: 'Oswald', sans-serif;
    --font-body: 'Nunito', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--clr-bg);
    color: var(--clr-text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- SECTION TITLE ---------- */
.section-title {
    font-family: var(--font-head);
    font-size: clamp(1.7rem, 4vw, 2.8rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 2.5rem;
    letter-spacing: .03em;
    text-transform: uppercase;
}
.section-title--light { color: var(--clr-text); }
.section-title__pre {
    display: block;
    font-family: var(--font-body);
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-bottom: .4rem;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: linear-gradient(160deg, #0d0f14 0%, #12151f 50%, #1a1200 100%);
}

.hero__bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
            radial-gradient(circle at 20% 20%, rgba(232,160,32,.12) 0%, transparent 45%),
            radial-gradient(circle at 80% 80%, rgba(232,160,32,.07) 0%, transparent 40%),
            repeating-linear-gradient(
                    45deg,
                    transparent,
                    transparent 60px,
                    rgba(255,255,255,.015) 60px,
                    rgba(255,255,255,.015) 61px
            );
    pointer-events: none;
}

.hero__badge {
    position: absolute;
    top: 80px;
    right: calc(50% - 530px);
    background: var(--clr-accent);
    color: #000;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: .9rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: .4rem 1rem;
    border-radius: 50px;
    z-index: 5;
    box-shadow: 0 4px 20px rgba(232,160,32,.4);
}

@keyframes pulse-badge {
    0%,100% { box-shadow: 0 4px 20px rgba(232,160,32,.4); }
    50%      { box-shadow: 0 4px 30px rgba(232,160,32,.75); }
}
.badge-pulse { animation: pulse-badge 2.2s ease-in-out infinite; }

/* NAV */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 18px;
    padding-bottom: 18px;
    position: relative;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: .45rem;
    font-family: var(--font-head);
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.logo__icon  { font-size: 1.6rem; line-height: 1; }
.logo__accent { color: var(--clr-accent); }

.nav__phone {
    display: flex;
    align-items: center;
    gap: .5rem;
    background: var(--clr-accent);
    color: #000;
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 1.05rem;
    padding: .55rem 1.2rem;
    border-radius: 50px;
    transition: var(--transition);
    letter-spacing: .02em;
}
.nav__phone:hover { background: var(--clr-gold-light); transform: scale(1.04); }
.nav__phone-icon  { font-size: 1rem; }

/* HERO CONTENT */
.hero__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 3rem;
    padding-bottom: 4rem;
    position: relative;
    z-index: 2;
}

.hero__title {
    font-family: var(--font-head);
    font-size: clamp(2.2rem, 7vw, 4.8rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: .02em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp .7s .1s forwards;
}
.hero__title-accent {
    color: var(--clr-accent);
    display: inline-block;
    position: relative;
}
.hero__title-accent::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: -4px;
    height: 3px;
    background: var(--clr-accent);
    border-radius: 2px;
}

.hero__sub {
    font-size: 1.1rem;
    color: var(--clr-muted);
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: fadeUp .7s .25s forwards;
}

/* CTA BUTTONS */
.hero__cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    justify-content: center;
    margin-bottom: 2.8rem;
    opacity: 0;
    animation: fadeUp .7s .4s forwards;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 1.6rem;
    border-radius: 50px;
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    transition: var(--transition);
    white-space: nowrap;
    cursor: pointer;
}
.cta-btn:hover { transform: translateY(-3px); filter: brightness(1.1); }
.cta-btn:active { transform: scale(.97); }

.cta-btn--primary { background: var(--clr-phone); color: #000; box-shadow: 0 4px 20px rgba(46,204,113,.35); }
.cta-btn--tg      { background: var(--clr-tg);    color: #fff; box-shadow: 0 4px 20px rgba(41,168,224,.3); }
.cta-btn--max     { background: var(--clr-max);   color: #fff; box-shadow: 0 4px 20px rgba(124,58,237,.35); }
.cta-btn--avito { background: #2f2fbf; color: #fff; box-shadow: 0 4px 20px rgba(0,0,0,.4); }

.cta-btn--lg { font-size: 1.05rem; padding: .9rem 2rem; }

.cta-btn__icon { font-size: 1.1rem; }

/* TRUST BAR */
.hero__trust {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    flex-wrap: wrap;
    justify-content: center;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius-lg);
    padding: 1rem 2rem;
    opacity: 0;
    animation: fadeUp .7s .55s forwards;
}
.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.2;
}
.trust-item__val {
    font-family: var(--font-head);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--clr-accent);
}
.trust-item__label {
    font-size: .72rem;
    color: var(--clr-muted);
    letter-spacing: .08em;
    text-transform: uppercase;
}
.trust-divider {
    width: 1px;
    height: 36px;
    background: rgba(255,255,255,.12);
}

/* ============================================================
   УСЛУГИ
   ============================================================ */
.services {
    padding: 5rem 0;
    background: var(--clr-surface);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.4rem;
}

.service-card {
    background: var(--clr-surface2);
    border: 1px solid rgba(255,255,255,.06);
    border-radius: var(--radius-lg);
    padding: 1.8rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(24px);
}
.service-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity .5s ease, transform .5s ease, border-color var(--transition), box-shadow var(--transition);
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--clr-accent), var(--clr-gold-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
    border-color: rgba(232,160,32,.3);
    box-shadow: 0 8px 32px rgba(232,160,32,.12);
    transform: translateY(-4px);
}

.service-card__icon {
    font-size: 2.4rem;
    margin-bottom: .9rem;
    display: block;
}
.service-card h3 {
    font-family: var(--font-head);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: .5rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--clr-gold-light);
}
.service-card p {
    color: var(--clr-muted);
    font-size: .93rem;
    line-height: 1.6;
}

/* ============================================================
   ПРЕИМУЩЕСТВА
   ============================================================ */
.advantages {
    padding: 5rem 0;
    background: linear-gradient(135deg, #12151f 0%, #1a1400 100%);
}

.advantages__list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.2rem;
}

.adv-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(232,160,32,.15);
    border-radius: var(--radius);
    padding: 1.3rem 1.5rem;
    transition: var(--transition);
}
.adv-item:hover {
    background: rgba(232,160,32,.07);
    border-color: rgba(232,160,32,.35);
}
.adv-item__ico {
    font-size: 2rem;
    flex-shrink: 0;
    line-height: 1;
    margin-top: .1rem;
}
.adv-item strong {
    display: block;
    font-family: var(--font-head);
    font-size: 1rem;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-bottom: .2rem;
}
.adv-item span {
    font-size: .88rem;
    color: var(--clr-muted);
}

/* ============================================================
   ГАЛЕРЕЯ
   ============================================================ */
.gallery {
    padding: 5rem 0;
    background: var(--clr-surface);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.2rem;
}

.gallery__item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--clr-surface2);
    cursor: pointer;
}
.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.gallery__item:hover img { transform: scale(1.06); }

.gallery__item--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed rgba(255,255,255,.15);
}
.gallery__ph-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .5rem;
    color: var(--clr-muted);
    font-size: .9rem;
}
.gallery__ph-icon { font-size: 2.5rem; }

.gallery__overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(0deg, rgba(0,0,0,.75) 0%, transparent 100%);
    padding: 1.2rem 1rem .8rem;
    font-family: var(--font-head);
    font-size: .95rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--clr-gold-light);
    transform: translateY(100%);
    transition: transform var(--transition);
}
.gallery__item:hover .gallery__overlay { transform: translateY(0); }

/* ============================================================
   ОТЗЫВЫ
   ============================================================ */
.reviews {
    padding: 5rem 0;
    background: var(--clr-bg);
}
.reviews__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
}
.reviews__text {
    font-size: 1.05rem;
    color: var(--clr-muted);
    max-width: 500px;
}
.reviews__text strong { color: var(--clr-accent); }

.reviews__stars {
    display: flex;
    gap: .3rem;
    font-size: 1.8rem;
}

/* ============================================================
   КОНТАКТЫ
   ============================================================ */
.contact {
    padding: 5rem 0;
    background: linear-gradient(160deg, #12151f 0%, #1a1400 100%);
    text-align: center;
}
.contact__sub {
    color: var(--clr-muted);
    margin-bottom: 2.5rem;
    font-size: 1rem;
}
.contact__sub em { color: var(--clr-accent); font-style: normal; }

.contact__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2.5rem;
}

.contact__info {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    justify-content: center;
}
.contact__info-item {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 50px;
    padding: .5rem 1.2rem;
    font-size: .9rem;
    color: var(--clr-muted);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: #08090c;
    padding: 2rem 0;
    border-top: 1px solid rgba(255,255,255,.06);
}
.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .8rem;
    text-align: center;
}
.footer__copy {
    font-size: .82rem;
    color: var(--clr-muted);
    line-height: 1.7;
}

/* ============================================================
   ПЛАВАЮЩАЯ КНОПКА
   ============================================================ */
.fab-call {
    position: fixed;
    bottom: 22px;
    right: 18px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: var(--clr-phone);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    box-shadow: 0 6px 24px rgba(46,204,113,.5);
    transition: var(--transition);
    animation: fab-ring 3s ease-in-out infinite;
}
.fab-call:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(46,204,113,.65); }

@keyframes fab-ring {
    0%,80%,100% { transform: scale(1); }
    10%         { transform: scale(1.08) rotate(-8deg); }
    20%         { transform: scale(1.08) rotate(8deg); }
    30%         { transform: scale(1.08) rotate(-5deg); }
    40%         { transform: scale(1.05) rotate(5deg); }
    50%         { transform: scale(1); }
}

/* ============================================================
   АНИМАЦИИ
   ============================================================ */
@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   МОБИЛЬНАЯ АДАПТАЦИЯ
   ============================================================ */
@media (max-width: 600px) {
    .hero__badge { top: auto; bottom: 20px; right: 50%; transform: translateX(50%); }

    .nav__phone-num { display: none; }
    .nav__phone { padding: .55rem .9rem; }

    .hero__title { font-size: clamp(1.9rem, 9vw, 3rem); }
    .hero__sub   { font-size: .95rem; }

    .hero__cta-row { gap: .6rem; }
    .cta-btn       { padding: .7rem 1.2rem; font-size: .9rem; }

    .trust-divider { display: none; }
    .hero__trust   { gap: 1rem 1.8rem; padding: .8rem 1rem; }

    .services__grid      { grid-template-columns: 1fr; }
    .advantages__list    { grid-template-columns: 1fr; }
    .gallery__grid       { grid-template-columns: 1fr; }
    .contact__buttons    { flex-direction: column; align-items: stretch; }
    .cta-btn--lg         { justify-content: center; }

    .fab-call { width: 54px; height: 54px; font-size: 1.4rem; bottom: 16px; right: 14px; }
}

@media (max-width: 360px) {
    .hero__title { font-size: 1.8rem; }
    .logo        { font-size: 1.2rem; }
}