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

:root {
    --black: #000;
    --white: #fff;
    --accent: #c8ff00;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, sans-serif;
    color: var(--white);
    background: var(--black);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 48px;
}

h1, h2, h3 {
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.04em;
}

h1 { font-size: clamp(3rem, 8vw, 7rem); }
h2 { font-size: clamp(2rem, 5vw, 4rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p { color: var(--gray-400); }

/* NAV */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    background: rgba(0,0,0,0.9);
    backdrop-filter: blur(20px);
}

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

.nav-logo { height: 28px; }

.nav-cta {
    padding: 12px 28px;
    background: var(--accent);
    color: var(--black);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
}

.nav-cta:hover { background: var(--white); }

/* HERO */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 160px 48px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--gray-800) 1px, transparent 1px),
        linear-gradient(90deg, var(--gray-800) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.3;
}

.hero::after {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(200,255,0,0.15) 0%, transparent 60%);
    filter: blur(60px);
}

.hero .container { position: relative; z-index: 1; }

.hero-eyebrow {
    display: inline-block;
    padding: 8px 20px;
    background: var(--accent);
    color: var(--black);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 40px;
}

.hero h1 { margin-bottom: 24px; }
.hero h1 .highlight { color: var(--accent); display: block; }

.hero-subtitle {
    font-size: 1.125rem;
    max-width: 550px;
    margin: 0 auto 48px;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary {
    padding: 18px 36px;
    background: var(--accent);
    color: var(--black);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: 0.2s;
}

.btn-primary:hover {
    background: var(--white);
    transform: translateY(-2px);
}

.btn-secondary {
    padding: 18px 36px;
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    border: 1px solid var(--gray-700);
    transition: 0.2s;
}

.btn-secondary:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.05);
}

/* STATS */
.stats-section {
    padding: 120px 0;
    border-top: 1px solid var(--gray-800);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    max-width: 1400px;
    margin: 0 auto;
}

.stat-block {
    padding: 60px 40px;
    text-align: center;
    border-right: 1px solid var(--gray-800);
}

.stat-block:last-child { border-right: none; }

.stat-number {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: 12px;
}

.stat-number .unit {
    font-size: 0.4em;
    color: var(--accent);
    font-weight: 500;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* LOGOS */
.logos-bar {
    padding: 60px 0;
    border-top: 1px solid var(--gray-800);
}

.logos-bar .container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.client-logo {
    height: 40px;
    filter: grayscale(100%) brightness(0.5);
    opacity: 0.6;
    transition: 0.3s;
}

.client-logo:hover {
    filter: none;
    opacity: 1;
}

/* PROBLEM */
.problem-section {
    padding: 160px 0;
    position: relative;
}

.problem-section::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 40%;
    height: 100%;
    background: linear-gradient(90deg, rgba(200,255,0,0.1) 0%, transparent 100%);
    filter: blur(80px);
}

.problem-section .container {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.problem-section h2 { margin-bottom: 60px; }

.problem-list {
    list-style: none;
    margin-bottom: 60px;
}

.problem-list li {
    font-size: 1.25rem;
    color: var(--gray-400);
    padding: 24px 0;
    border-bottom: 1px solid var(--gray-800);
    padding-left: 24px;
    position: relative;
}

.problem-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 32px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

.problem-cta {
    font-size: 1.5rem;
    color: var(--white);
    font-weight: 500;
}

/* SERVICE */
.service-section {
    padding: 160px 0;
    background: var(--gray-900);
}

.service-header {
    text-align: center;
    margin-bottom: 80px;
}

.service-header .label,
.cases-header .label,
.process-header .label,
.form-header .label {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
}

.service-header h2 { margin-bottom: 20px; }
.service-header p { max-width: 500px; margin: 0 auto; }

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
    background: var(--gray-800);
    margin-bottom: 60px;
}

.service-card {
    padding: 48px;
    background: var(--black);
    transition: 0.3s;
}

.service-card:hover { background: var(--gray-900); }

.service-card .number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 16px;
}

.service-card h3 {
    margin-bottom: 12px;
    color: var(--white);
}

.service-card p { font-size: 0.9375rem; line-height: 1.7; }

.guarantee-block {
    padding: 48px;
    background: var(--accent);
    max-width: 800px;
    margin: 0 auto;
}

.guarantee-block h3 {
    color: var(--black);
    margin-bottom: 12px;
}

.guarantee-block p {
    color: var(--black);
    opacity: 0.8;
}

/* CASES */
.cases-section {
    padding: 160px 0;
}

.cases-header {
    text-align: center;
    margin-bottom: 80px;
}

.cases-header .label {
    border-color: var(--gray-700);
    color: var(--gray-500);
}

.case-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-bottom: 2px;
    background: var(--gray-800);
}

.case-content {
    padding: 60px;
    background: var(--gray-900);
}

.case-content .client {
    font-size: 0.75rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.case-content h3 {
    font-size: 1.75rem;
    margin-bottom: 24px;
}

.case-results {
    list-style: none;
}

.case-results li {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-800);
    color: var(--gray-400);
}

.case-results li:last-child { border-bottom: none; }

.case-results .metric {
    color: var(--white);
    font-weight: 600;
}

.case-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    position: relative;
}

.case-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(200,255,0,0.1) 0%, transparent 50%);
}

.case-visual .big-number {
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 700;
    opacity: 0.15;
}

/* PROCESS */
.process-section {
    padding: 160px 0;
    background: var(--gray-900);
}

.process-header {
    text-align: center;
    margin-bottom: 80px;
}

.process-header .label {
    border-color: var(--gray-700);
    color: var(--gray-500);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.process-step {
    text-align: center;
    padding: 40px;
}

.process-step .number {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--black);
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 auto 24px;
}

.process-step h3 {
    margin-bottom: 12px;
}

/* FORM */
.form-section {
    padding: 160px 0;
    position: relative;
}

.form-section::before {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    width: 40%;
    height: 100%;
    background: linear-gradient(270deg, rgba(200,255,0,0.1) 0%, transparent 100%);
    filter: blur(100px);
}

.form-section .container {
    max-width: 550px;
    position: relative;
    z-index: 1;
}

.form-header {
    text-align: center;
    margin-bottom: 48px;
}

.form-header .label {
    background: var(--accent);
    border: none;
    color: var(--black);
}

#application-form {
    display: grid;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    color: var(--white);
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-600);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

#application-form .btn-primary {
    width: 100%;
    margin-top: 12px;
}

/* FOOTER */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--gray-800);
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo { height: 20px; }

footer p {
    font-size: 0.8125rem;
    color: var(--gray-600);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .service-grid,
    .case-card { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr; gap: 20px; }
    .case-visual { min-height: 250px; }
}

@media (max-width: 768px) {
    .container { padding: 0 24px; }
    .hero { padding: 140px 24px 100px; }
    .stats-grid { grid-template-columns: 1fr; }
    .stat-block { border-right: none; border-bottom: 1px solid var(--gray-800); }
    .stat-block:last-child { border-bottom: none; }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .btn-primary, .btn-secondary { text-align: center; }
    footer .container { flex-direction: column; gap: 20px; text-align: center; }
    .service-card { padding: 32px; }
    .case-content { padding: 40px; }
}

@media (max-width: 480px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .stat-number { font-size: 2.5rem; }
    .service-card .number { font-size: 2rem; }
    .process-step .number { width: 56px; height: 56px; font-size: 1.5rem; }
}
