/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img, svg { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== Tokens ===== */
:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f6f6f8;
    --color-bg-card: #ffffff;
    --color-border: #e6e6ea;
    --color-text: #121214;
    --color-text-muted: #63636c;
    --color-primary: #ff3b3b;
    --color-primary-dark: #c81e1e;
    --color-primary-tint: #ffecec;
    --gradient-primary: linear-gradient(135deg, #ff5a52 0%, #d81e1e 100%);

    --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 40px;
    --space-5: 64px;
    --space-6: 96px;

    --radius: 14px;
    --max-width: 1180px;
}

@media (min-width: 1440px) {
    :root { --max-width: 1340px; }
}

@media (min-width: 1920px) {
    :root { --max-width: 1520px; }
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-base);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    width: 100%;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-3);
}

@media (min-width: 1920px) {
    .container { padding: 0 var(--space-5); }
}

.section__title {
    font-size: clamp(1.75rem, 3vw, 2.75rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn--primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 8px 24px rgba(216, 30, 30, 0.28);
}

.btn--primary:hover,
.btn--primary:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(216, 30, 30, 0.38);
}

.btn--ghost {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

/* ===== Header ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.header__inner {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-1) var(--space-2);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    flex-shrink: 0;
}

.brand__logo {
    width: 36px;
    height: 36px;
}

.brand__name {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
}

.nav {
    display: none;
    align-items: center;
    gap: var(--space-4);
    margin: 0 auto;
}

.nav__link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color 0.15s ease;
}

.nav__link:hover,
.nav__link:focus-visible {
    color: var(--color-primary);
}

@media (min-width: 900px) {
    .nav { display: flex; }
}

/* ===== Hero ===== */
.hero {
    padding: var(--space-6) 0;
    background:
        radial-gradient(circle at 12% 15%, rgba(255, 59, 59, 0.08), transparent 45%),
        radial-gradient(circle at 88% 10%, rgba(255, 59, 59, 0.06), transparent 40%);
}

.hero__inner {
    max-width: 780px;
    text-align: center;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.hero__title {
    font-size: clamp(2rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--color-text-muted);
    max-width: 600px;
}

/* ===== Services ===== */
.services {
    padding: var(--space-6) 0;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-4);
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(18, 18, 20, 0.06);
}

.card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    background: var(--color-primary-tint);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.card__icon svg {
    width: 26px;
    height: 26px;
}

.card__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-1);
}

.card__text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ===== Process ===== */
.process {
    padding: var(--space-6) 0;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.process__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
}

.step {
    text-align: left;
}

.step__number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.35;
    margin-bottom: var(--space-1);
}

.step__title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--space-1);
}

.step__text {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    line-height: 1.55;
}

/* ===== Trust ===== */
.trust {
    padding: var(--space-6) 0;
}

.trust__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    max-width: 900px;
    margin: 0 auto;
}

.trust__item {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    text-align: center;
    line-height: 1.6;
}

/* ===== Contact ===== */
.contact {
    padding: var(--space-6) 0;
    text-align: center;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

.contact__inner {
    max-width: 640px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

/* ===== Footer ===== */
.footer {
    padding: var(--space-3) 0 var(--space-4);
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .process__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .services__grid { grid-template-columns: 1fr; }
    .process__grid { grid-template-columns: 1fr; }
    .trust__grid { grid-template-columns: 1fr; }
    .hero { padding: var(--space-5) 0; }
}

@media (max-width: 480px) {
    .btn--lg { width: 100%; padding: 14px 24px; }
    .brand__name { font-size: 1rem; }
}