:root {
    --primary: #ff5c00;
    --primary-soft: rgba(255, 92, 0, 0.05);
    --header-blue: #1a73e7;
    --dark: #0f172a;
    --slate: #64748b;
    --bg-main: #ffffff;
    --bg-subtle: #f8fafc;
    --border: #e2e8f0;
    --radius: 12px;
    /* UI colors */
    --g-blue: #1a73e8;
    --g-green: #1e8e3e;
    --g-grey: #70757a;
    --g-border: #dadce0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { 
    font-family: 'Inter', -apple-system, system-ui, sans-serif; 
    background-color: var(--bg-main); 
    color: var(--dark); 
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* --- Navigation --- */
nav { 
    padding: 1rem 0; 
    background: rgba(255, 255, 255, 0.8); 
    backdrop-filter: blur(20px); 
    position: sticky; top: 0; z-index: 100;
    border-bottom: 1px solid var(--border);
}
.logo { font-weight: 800; font-size: 1.3rem; letter-spacing: -1px; text-decoration: none; color: var(--dark); }
.logo span { color: var(--primary); }
.btn-nav { background: var(--dark); color: #fff; padding: 10px 20px; border-radius: var(--radius); text-decoration: none; font-size: 0.85rem; font-weight: 600; transition: 0.3s; }
.btn-nav:hover { background: var(--primary); transform: translateY(-1px); }

/* --- HEADER SECTION --- */
header { 
    padding: 140px 0 120px; 
    position: relative;
    overflow: hidden;
    background-color: var(--bg-main);
}

.ads-blueprint {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 1;
    pointer-events: none;
    background: #fffce8;
}

.performance-graph {
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 300px;
    opacity: 0.3;
    z-index: 1;
}

.mock-ad-result {
    position: absolute;
    top: 15%; right: 6%;
    width: 440px;
    padding: 24px;
    background: #fff;
    border: 1px solid var(--g-border);
    border-top: 4px solid var(--g-blue); 
    border-radius: 4px 4px 12px 12px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.03);
    transform: rotate(-1.5deg);
    z-index: 3;
    animation: float-ad 12s infinite ease-in-out;
}

.mock-ad-result.secondary { top: 35%; right: 3%; transform: rotate(2deg); z-index: 2; opacity: 0.8; width: 400px; border-top-color: var(--g-green); animation-name: float-ad-alt; }
.mock-ad-result.tertiary { top: 58%; right: 9%; transform: rotate(-1deg); z-index: 1; opacity: 0.6; width: 380px; border-top-color: var(--primary); animation-name: float-ad; }

.ad-url { color: var(--g-green); font-size: 14px; margin-bottom: 8px; display: block; }
.ad-desc { height: 8px; background: #f1f3f4; border-radius: 4px; margin-bottom: 6px; width: 100%; }

@keyframes float-ad {
    0%, 100% { transform: translateY(0) rotate(-1.5deg); }
    50% { transform: translateY(-4px) rotate(-1.5deg); }
}
@keyframes float-ad-alt {
    0%, 100% { transform: translateY(0) rotate(2deg); }
    50% { transform: translateY(-4px) rotate(2deg); }
}

.hero-content { position: relative; z-index: 10; }

h1 { 
    font-size: clamp(2.8rem, 7vw, 4.5rem); 
    font-weight: 800; 
    line-height: 1.05; 
    letter-spacing: -2.5px; 
    margin-bottom: 24px; 
    color: var(--dark);
}
h1 span { color: var(--header-blue); }

.hero-sub { 
    font-size: 1.25rem; 
    color: var(--slate); 
    max-width: 600px; 
    margin-bottom: 40px; 
    line-height: 1.5;
}

.btn-main { 
    background: var(--primary); 
    color: #fff; 
    padding: 18px 36px; 
    border-radius: var(--radius); 
    text-decoration: none; 
    font-weight: 700; 
    font-size: 1.1rem; 
    transition: 0.3s; 
    display: inline-block; 
    box-shadow: 0 10px 25px -5px rgba(255, 92, 0, 0.3);
}
.btn-main:hover { 
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -5px rgba(255, 92, 0, 0.4);
}

/* --- STATS STRIP --- */
.stats {
    padding: 40px 0;
    background: var(--bg-subtle);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat-item h3 { font-size: 1.8rem; font-weight: 800; color: var(--dark); margin-bottom: 2px; }
.stat-item p { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; color: var(--slate); letter-spacing: 0.5px; }

/* --- SERVICES GRID --- */
.services { padding: 50px 0; background: #fff; }
.section-header { margin-bottom: 50px; text-align: left; }
.section-header h2 { font-size: 2.5rem; font-weight: 800; letter-spacing: -1.5px; margin-bottom: 10px; }
.section-header p { color: var(--slate); max-width: 800px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.grid-btn {
    grid-column: 2;
    justify-self: center;
    margin-top: 40px;
    white-space: nowrap;
}

.card { 
    background: #fff; 
    padding: 40px; 
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.3s ease;
}
.card:hover { 
    border-color: var(--primary);
    box-shadow: 0 20px 40px -15px rgba(0,0,0,0.05);
    transform: translateY(-5px);
}
.card-icon { width: 40px; height: 40px; background: var(--primary-soft); border-radius: 8px; margin-bottom: 20px; display: flex; align-items: center; justify-content: center; color: var(--g-grey); font-weight: 900; }
.card h3 { font-size: 1.2rem; margin-bottom: 12px; font-weight: 700; color: var(--g-blue); }
.card p { color: var(--slate); font-size: 0.95rem; }
.card span { color: var(--primary); font-weight:700; }

/* --- WHY TRUST US SECTION --- */
.trust { padding: 50px 0; background: var(--bg-subtle); border-top: 1px solid var(--border); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }

.trust-item { display: flex; gap: 16px; align-items: flex-start; }

.trust-bullet {
    width: 10px; height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 7px;
    box-shadow: 0 2px 4px rgba(255, 92, 0, 0.1);
}

/* Gradient Progression Logic */
/* Bullet 1: Very Light to Light */
.trust-item:nth-child(1) .trust-bullet {
    background: linear-gradient(to right, #ffd4bc 0%, #ffaa7f 100%);
}
/* Bullet 2: Light to Medium */
.trust-item:nth-child(2) .trust-bullet {
    background: linear-gradient(to right, #ffaa7f 0%, #ff7f3f 100%);
}
/* Bullet 3: Medium to Dark (Primary) */
.trust-item:nth-child(3) .trust-bullet {
    background: linear-gradient(to right, #ff7f3f 0%, #ff5c00 100%);
}
/* Bullet 4: Dark to Deep Dark */
.trust-item:nth-child(4) .trust-bullet {
    background: linear-gradient(to right, #ff5c00 0%, #b34000 100%);
}

.trust-content h4 { font-size: 1.1rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; line-height: 1.3; }
.trust-content p { font-size: 0.9rem; color: var(--slate); line-height: 1.6; }

/* --- AUDIT SECTION (SINGLE COLUMN) --- */
.audit { padding: 100px 0; background: #ffb68c; border-top: 1px solid var(--border); }
.audit-layout { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 40px; }
.audit-info { max-width: 700px; }
.audit-info h2 { font-size: 3rem; font-weight: 800; line-height: 1.1; margin-bottom: 24px; letter-spacing: -2px; color:#22120a; }

.form-card { 
    background: #fff; padding: 45px; 
    border-radius: var(--radius); border: 1px solid var(--border);
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.08);
    width: 100%; max-width: 550px; text-align: left; 
}
.form-group { margin-bottom: 20px; }
label { font-size: 0.8rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; display: block; }
input, select { 
    width: 100%; padding: 14px; border: 1px solid var(--border); 
    background: var(--bg-subtle); border-radius: 8px; font-size: 1rem;
    transition: 0.2s;
}
.btn-submit { 
    width: 100%; background: var(--dark); color: #fff; border: none; 
    padding: 18px; border-radius: 8px; font-weight: 700; cursor: pointer; 
    transition: 0.3s; font-size: 1rem;
}
.btn-submit:hover { background: var(--primary); }

footer { padding: 60px 0; border-top: 1px solid var(--border); text-align: center; color: var(--slate); font-size: 0.85rem; }

footer p { max-width:80%; text-align:center; margin:0 auto 1rem auto; }

@media (max-width: 900px) {
    .grid, .stats-grid, .trust-grid { grid-template-columns: 1fr; }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-btn { grid-column: 1; margin-top: 10px; }
    .audit-info h2 { font-size: 2.2rem; }
    .mock-ad-result { width: 320px; top: 5%; right: 2%; animation: none; opacity: 1 !important; }
    .mock-ad-result.secondary, .mock-ad-result.tertiary { display: none; }
}
@media (max-width: 600px) {
    .trust-grid { grid-template-columns: 1fr; }
    .form-card { padding: 30px 20px; }
}

.form_sent_ok {
background: #c3fcc3;
    color: green;
    font-weight: 800;
    padding: 1rem;
    border-bottom: 1px solid green;
    text-align: center;
}