/* ==========================================================================
   ООО «Атлас Трейд Групп» — Landing styles
   ========================================================================== */

:root {
    --navy:      #0b2545;
    --navy-2:    #13315c;
    --accent:    #e8871e;   /* тёплый оранжевый — акцент */
    --accent-2:  #f4a63c;
    --sky:       #1b7fbf;
    --ink:       #16233a;
    --muted:     #5c6b82;
    --light:     #f5f8fc;
    --line:      #e3eaf3;
    --white:     #ffffff;
    --radius:    16px;
    --shadow:    0 18px 40px rgba(11, 37, 69, .10);
    --shadow-sm: 0 8px 22px rgba(11, 37, 69, .08);
    --trans:     .3s cubic-bezier(.22,.61,.36,1);
}

* { scroll-behavior: smooth; }

html, body { overflow-x: hidden; }

body {
    font-family: 'Manrope', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--ink);
    background: var(--white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 { font-weight: 800; letter-spacing: -.02em; }

a { text-decoration: none; transition: color var(--trans); }

/* ===== Buttons ===== */
.btn { font-weight: 700; border-radius: 12px; padding: .7rem 1.6rem; transition: all var(--trans); }
.btn-lg { padding: .95rem 2.1rem; }
.btn-sm { padding: .55rem 1.1rem; border-radius: 10px; }

.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff; border: none;
    box-shadow: 0 10px 24px rgba(232,135,30,.32);
}
.btn-accent:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 14px 30px rgba(232,135,30,.42); }

.btn-outline-light:hover { transform: translateY(-2px); }
.btn-light { border-radius: 12px; font-weight: 700; }
.btn-light:hover { transform: translateY(-2px); }

/* ==========================================================================
   NAVBAR
   ========================================================================== */
.navbar-atg {
    background: transparent;
    padding: 1.1rem 0;
    transition: background var(--trans), padding var(--trans), box-shadow var(--trans);
}
.navbar-atg.scrolled {
    background: rgba(11, 37, 69, .96);
    backdrop-filter: blur(10px);
    padding: .6rem 0;
    box-shadow: 0 8px 30px rgba(0,0,0,.25);
}

.navbar-brand { gap: .6rem; }
.brand-logo {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff; font-weight: 800; font-size: 1.05rem; letter-spacing: .5px;
    box-shadow: 0 6px 16px rgba(232,135,30,.4);
}
.brand-text { color: #fff; font-weight: 800; font-size: 1.15rem; letter-spacing: -.02em; }

.navbar-atg .nav-link {
    color: rgba(255,255,255,.85); font-weight: 600; padding: .5rem 1rem !important;
    position: relative;
}
.navbar-atg .nav-link:hover,
.navbar-atg .nav-link.active { color: #fff; }
.navbar-atg .nav-link::after {
    content: ''; position: absolute; left: 1rem; right: 1rem; bottom: .35rem;
    height: 2px; background: var(--accent-2); transform: scaleX(0); transform-origin: left;
    transition: transform var(--trans);
}
.navbar-atg .nav-link:hover::after,
.navbar-atg .nav-link.active::after { transform: scaleX(1); }

.navbar-toggler { border: none; color: #fff; }
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-width='2.2' stroke-linecap='round' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(11,37,69,.98); margin-top: 1rem; padding: 1rem 1.25rem;
        border-radius: var(--radius); backdrop-filter: blur(10px);
    }
    .navbar-atg .nav-link::after { display: none; }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero-section {
    position: relative; color: #fff; overflow: hidden;
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(27,127,191,.45), transparent 60%),
        linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 55%, #0e2a4e 100%);
}
.hero-overlay {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 60px 60px;
    -webkit-mask-image: radial-gradient(circle at 70% 30%, #000, transparent 75%);
            mask-image: radial-gradient(circle at 70% 30%, #000, transparent 75%);
}

.hero-badge {
    display: inline-block; background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2); color: #fff;
    padding: .5rem 1.1rem; border-radius: 40px; font-size: .82rem; font-weight: 600;
    margin-bottom: 1.4rem; backdrop-filter: blur(6px);
}
.hero-title { font-size: clamp(2.1rem, 5.2vw, 3.7rem); line-height: 1.08; margin-bottom: 1.3rem; }
.hero-lead {
    font-size: 1.18rem; color: rgba(255,255,255,.82); max-width: 640px; margin-bottom: 2.2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }

.hero-stats { display: flex; flex-wrap: wrap; gap: 2.6rem; }
.stat-item { display: flex; flex-direction: column; }
.stat-num, .stat-plus {
    font-size: 2.4rem; font-weight: 800; color: var(--accent-2);
    display: inline; line-height: 1;
}
.stat-plus { margin-left: 2px; }
.stat-label { font-size: .9rem; color: rgba(255,255,255,.7); margin-top: .35rem; }

.scroll-down {
    position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
    color: rgba(255,255,255,.7); font-size: 1.6rem; animation: bounce 2s infinite;
}
.scroll-down:hover { color: #fff; }
@keyframes bounce {
    0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 10px); }
}

/* ==========================================================================
   SECTION GENERICS
   ========================================================================== */
.section { padding: 6rem 0; }
.section-light { background: var(--light); }
.section-dark {
    background:
        radial-gradient(800px 400px at 15% 10%, rgba(27,127,191,.35), transparent 60%),
        linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
    color: #fff;
}
.section-head { max-width: 720px; margin: 0 auto 3.4rem; }
.section-kicker {
    display: inline-block; color: var(--accent); font-weight: 700; letter-spacing: .12em;
    text-transform: uppercase; font-size: .8rem; margin-bottom: .8rem;
}
.section-title { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: .8rem; }
.section-sub { color: var(--muted); font-size: 1.1rem; margin: 0; }
.section-dark .section-sub { color: rgba(255,255,255,.6); }

/* ==========================================================================
   SERVICES
   ========================================================================== */
.service-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 2.2rem 1.9rem; transition: all var(--trans); position: relative; overflow: hidden;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transform: scaleX(0); transform-origin: left; transition: transform var(--trans);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
    width: 62px; height: 62px; border-radius: 14px; display: flex; align-items: center;
    justify-content: center; font-size: 1.7rem; color: var(--accent);
    background: rgba(232,135,30,.1); margin-bottom: 1.3rem; transition: all var(--trans);
}
.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff;
    transform: rotate(-6deg);
}
.service-card h3 { font-size: 1.25rem; margin-bottom: .6rem; }
.service-card p { color: var(--muted); margin: 0; font-size: .98rem; }

/* ==========================================================================
   ADVANTAGES
   ========================================================================== */
.adv-card {
    background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--radius); padding: 2rem 1.7rem; height: 100%;
    transition: all var(--trans); backdrop-filter: blur(4px);
}
.adv-card:hover { background: rgba(255,255,255,.1); transform: translateY(-6px); }
.adv-ic {
    font-size: 2.2rem; color: var(--accent-2); margin-bottom: 1rem; display: block;
}
.adv-card h4 { color: #fff; font-size: 1.15rem; margin-bottom: .6rem; }
.adv-card p { color: rgba(255,255,255,.7); margin: 0; font-size: .95rem; }

/* ==========================================================================
   STEPS
   ========================================================================== */
.step-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 2.2rem 1.8rem; height: 100%; transition: all var(--trans); position: relative;
}
.step-card:hover { box-shadow: var(--shadow); transform: translateY(-6px); }
.step-num {
    font-size: 2.6rem; font-weight: 800; line-height: 1;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text; background-clip: text; color: transparent;
    margin-bottom: 1rem;
}
.step-card h4 { font-size: 1.15rem; margin-bottom: .55rem; }
.step-card p { color: var(--muted); margin: 0; font-size: .96rem; }

/* ==========================================================================
   ABOUT
   ========================================================================== */
.about-text { color: var(--muted); font-size: 1.05rem; margin-bottom: 1.1rem; }
.about-list { list-style: none; padding: 0; margin: 1.4rem 0 0; }
.about-list li { display: flex; align-items: center; gap: .7rem; padding: .45rem 0; font-weight: 600; color: var(--ink); }
.about-list i { color: var(--accent); font-size: 1.2rem; }

.about-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.about-mini {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 1.8rem 1.4rem; text-align: center; box-shadow: var(--shadow-sm);
    transition: all var(--trans);
}
.about-mini:nth-child(even) { transform: translateY(1.6rem); }
.about-mini:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.about-mini:nth-child(even):hover { transform: translateY(1rem); }
.about-mini i { font-size: 1.9rem; color: var(--accent); display: block; margin-bottom: .7rem; }
.about-mini-num { display: block; font-size: 1.9rem; font-weight: 800; color: var(--navy); }
.about-mini-label { display: block; color: var(--muted); font-size: .9rem; }

@media (max-width: 575.98px) {
    .about-mini:nth-child(even) { transform: none; }
}

/* ==========================================================================
   CTA
   ========================================================================== */
.cta-section {
    padding: 5rem 0; color: #fff;
    background:
        radial-gradient(600px 300px at 85% 20%, rgba(244,166,60,.4), transparent 60%),
        linear-gradient(135deg, var(--accent) 0%, #c96f11 100%);
}
.cta-title { font-size: clamp(1.7rem, 3.6vw, 2.5rem); margin-bottom: .8rem; }
.cta-sub { font-size: 1.15rem; color: rgba(255,255,255,.9); margin-bottom: 2rem; }

/* ==========================================================================
   CONTACTS
   ========================================================================== */
.contact-info { display: flex; flex-direction: column; gap: 1rem; height: 100%; }
.contact-row {
    display: flex; align-items: center; gap: 1.1rem;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 1.2rem 1.4rem; color: var(--ink); transition: all var(--trans);
}
a.contact-row:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); transform: translateX(4px); }
.contact-ic {
    width: 50px; height: 50px; flex: 0 0 50px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
    color: #fff; background: linear-gradient(135deg, var(--navy), var(--sky));
}
.contact-label { display: block; font-size: .82rem; color: var(--muted); }
.contact-val { display: block; font-weight: 700; color: var(--ink); }

.contact-form {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 2.2rem; box-shadow: var(--shadow-sm);
}
.form-title { font-size: 1.4rem; margin-bottom: 1.4rem; }
.form-label { font-weight: 600; font-size: .9rem; margin-bottom: .3rem; }
.form-control {
    border-radius: 10px; border: 1.5px solid var(--line); padding: .7rem .9rem;
    transition: border-color var(--trans), box-shadow var(--trans);
}
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 .2rem rgba(232,135,30,.15); }
.form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }
.form-check-input:focus { box-shadow: 0 0 0 .2rem rgba(232,135,30,.15); border-color: var(--accent); }
.form-success {
    background: #e8f6ec; color: #1c7a3e; border: 1px solid #b7e2c3;
    border-radius: 10px; padding: .9rem 1.1rem; font-weight: 600;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { background: #071a33; color: rgba(255,255,255,.75); padding: 4rem 0 1.8rem; }
.footer-brand { display: inline-flex; align-items: center; gap: .6rem; margin-bottom: 1.1rem; }
.footer-desc { font-size: .95rem; color: rgba(255,255,255,.6); max-width: 320px; }
.footer-title { color: #fff; font-size: 1.05rem; margin-bottom: 1.1rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .55rem; }
.footer-links a { color: rgba(255,255,255,.7); }
.footer-links a:hover { color: var(--accent-2); }
.footer-req { list-style: none; padding: 0; margin: 0; font-size: .92rem; }
.footer-req li { margin-bottom: .5rem; color: rgba(255,255,255,.7); }
.footer-req li span { color: rgba(255,255,255,.45); }
.footer-req a { color: var(--accent-2); }
.footer-hr { border-color: rgba(255,255,255,.12); margin: 2.4rem 0 1.4rem; }
.footer-bottom {
    display: flex; flex-wrap: wrap; gap: .6rem; justify-content: space-between;
    font-size: .88rem; color: rgba(255,255,255,.5);
}
.footer-bottom a { color: var(--accent-2); }

/* ==========================================================================
   TO TOP
   ========================================================================== */
.to-top {
    position: fixed; right: 24px; bottom: 24px; width: 48px; height: 48px;
    border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
    box-shadow: 0 10px 24px rgba(232,135,30,.4); opacity: 0; visibility: hidden;
    transform: translateY(14px); transition: all var(--trans); z-index: 1030;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { color: #fff; transform: translateY(-3px); }

/* ==========================================================================
   AOS-like reveal
   ========================================================================== */
[data-aos] { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
[data-aos].aos-in { opacity: 1; transform: none; }