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

:root {
    --black: #0f0f0f;
    --white: #fafaf8;
    --gray-100: #f5f4f0;
    --gray-200: #e8e6df;
    --gray-400: #9e9b92;
    --gray-600: #5c5a54;
    --accent: #c8501a;
    --accent-light: #f0e8e0;
    --font-display: 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --max-w: 1160px;
    --section-pad: clamp(2.5rem, 4vw, 4rem);
    --radius: 6px;
    --transition: 0.22s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body);
    background: var(--white);
    color: var(--black);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: min(var(--max-w), 100% - 3rem);
    margin-inline: auto;
}

a { color: inherit; text-decoration: none; }
em { font-style: italic; }

/* NAV */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.25rem clamp(1.5rem, 4vw, 3.5rem);
    background: rgba(250, 250, 248, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

.nav__logo {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--black);
}
.nav__logo-img {
    height: 32px;
    width: auto;
    display: block;
}

.nav__links {
    display: flex; align-items: center; gap: 2rem;
    list-style: none;
}
.nav__links a {
    font-size: 0.875rem; font-weight: 500;
    color: var(--gray-600);
    transition: color var(--transition);
}
.nav__links a:hover { color: var(--black); }

.nav__cta {
    background: var(--black) !important;
    color: var(--white) !important;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius);
    transition: background var(--transition) !important;
}
.nav__cta:hover { background: var(--accent) !important; }

.nav__hamburger {
    display: none;
    flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 4px;
}
.nav__hamburger span {
    display: block; width: 22px; height: 2px;
    background: var(--black); transition: var(--transition);
}

/* HERO */
.hero__wrapper {
    background: url('../images/pexels-photo-373965.jpeg') center center / cover no-repeat;
    position: relative;
}
.hero__wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(250, 250, 248, 0.88);
    pointer-events: none;
}

.hero {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 3rem;
    padding: clamp(4rem, 6vw, 5.5rem) clamp(1.5rem, 5vw, 5rem) clamp(2rem, 3vw, 3rem);
    max-width: var(--max-w);
    margin-inline: auto;
}

.hero__bg {
    display: none;
}

.hero__eyebrow {
    display: inline-flex; align-items: center; gap: 0.6rem;
    font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--accent);
    margin-bottom: 1.5rem;
}
.hero__eyebrow::before {
    content: ''; display: block;
    width: 28px; height: 2px; background: var(--accent);
}

.hero__headline {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 4.5vw, 3.75rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--black);
    margin-bottom: 1.25rem;
}
.hero__headline em {
    font-weight: 600;
    font-style: normal;
    color: var(--accent);
}

.hero__sub {
    max-width: 52ch;
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: var(--gray-600);
    line-height: 1.75;
    margin-bottom: 2.5rem;
}

.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__accent {
    display: flex; flex-direction: column; align-items: center;
    gap: 0.25rem;
    padding: 2.5rem 2rem;
    border-left: 2px solid var(--gray-200);
    text-align: center;
}
.hero__number {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 6vw, 5.5rem);
    font-weight: 600;
    line-height: 1;
    color: var(--black);
}
.hero__number sup {
    font-size: 0.45em;
    vertical-align: super;
    color: var(--accent);
}
.hero__number-label {
    font-size: 0.75rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--gray-400);
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.9375rem; font-weight: 500;
    border-radius: var(--radius);
    transition: all var(--transition);
    cursor: pointer; border: none;
}
.btn--primary {
    background: var(--black); color: var(--white);
}
.btn--primary:hover { background: var(--accent); }
.btn--ghost {
    background: transparent; color: var(--black);
    border: 1.5px solid var(--gray-200);
}
.btn--ghost:hover { border-color: var(--black); }

/* SECTION BASE */
.section { padding: var(--section-pad) 0; }

.section__label {
    display: inline-block;
    font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.12em;
    color: var(--accent); margin-bottom: 1rem;
}

.section__header { margin-bottom: 4rem; }

.section__title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.5vw, 2.25rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    max-width: 28ch;
}

/* SERVICES */
.what-i-do { background: var(--gray-100); }

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2px;
    background: var(--gray-200);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
}

.service {
    background: var(--white);
    padding: 2.5rem 2rem;
    transition: background var(--transition);
}
.service:hover { background: var(--accent-light); }

.service__num {
    display: block;
    font-family: var(--font-display);
    font-size: 0.875rem; font-weight: 600;
    color: var(--accent);
    margin-bottom: 1rem;
}
.service__title {
    font-size: 1.0625rem; font-weight: 600;
    margin-bottom: 0.75rem; color: var(--black);
}
.service__desc {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* CREDENTIALS */
.credentials__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-bottom: 3rem;
}
.credentials__text p {
    color: var(--gray-600);
    font-size: 1.0625rem;
    margin-top: 1.25rem;
    line-height: 1.75;
}
.credentials__logos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--gray-200);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    align-self: center;
}
.credential-item {
    background: var(--white);
    padding: 1.5rem 1.25rem;
    font-size: 0.875rem; font-weight: 600;
    color: var(--gray-600);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: all var(--transition);
}
.credential-item:hover {
    background: var(--black);
    color: var(--white);
}

.credentials__diagram {
    margin-top: 0;
}
.credentials__arch-img {
    width: 100%;
    max-width: 680px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    display: block;
}

/* STACK */
.stack { background: var(--black); color: var(--white); }
.stack .section__title { color: var(--white); }
.stack .section__label { color: var(--accent); }

.stack__groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}
.stack__group-title {
    font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--gray-400);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #2a2a2a;
}
.stack__tags {
    display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.stack__tags span {
    font-size: 0.8125rem; font-weight: 500;
    background: #1a1a1a;
    color: #d4d0c8;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    border: 1px solid #2e2e2e;
    transition: all var(--transition);
}
.stack__tags span:hover {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

/* HOW I WORK */
.how {
    padding: 0;
    background: none;
}
.how__bg-wrapper {
    background: url('../images/dev-ops.jpg') center center / cover no-repeat;
    position: relative;
}
.how__bg-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.87);
}
.how__bg-wrapper .container {
    position: relative;
    z-index: 1;
    padding-top: var(--section-pad);
    padding-bottom: var(--section-pad);
}
.how .section__label { color: var(--accent); }
.how .section__title { color: var(--white); }
.how__steps {
    display: flex; flex-direction: column; gap: 0;
    margin-top: 3rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.how__step {
    display: flex; gap: 2.5rem; align-items: flex-start;
    padding: 2.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: background var(--transition);
}
.how__step:hover { background: rgba(255,255,255,0.04); padding-inline: 1.5rem; margin-inline: -1.5rem; }

.how__step-num {
    font-family: var(--font-display);
    font-size: 2rem; font-weight: 600;
    color: rgba(255,255,255,0.15);
    line-height: 1;
    min-width: 2.5rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}
.how__step h3 {
    font-size: 1.125rem; font-weight: 600;
    margin-bottom: 0.5rem; color: var(--white);
}
.how__step p {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
}

/* CONTACT */
.contact { background: var(--gray-100); }
.contact__inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: start;
}
.contact__text .section__title { margin-bottom: 1.25rem; }
.contact__text > p {
    color: var(--gray-600);
    font-size: 1.0625rem;
    line-height: 1.75;
    margin-bottom: 2.5rem;
}
.contact__direct { display: flex; flex-direction: column; gap: 1.25rem; }
.contact__link {
    display: flex; flex-direction: column; gap: 0.2rem;
    transition: color var(--transition);
}
.contact__link:hover { color: var(--accent); }
.contact__link-label {
    font-size: 0.7rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--gray-400);
}
.contact__link span:last-child { font-size: 1.0625rem; font-weight: 500; }

.contact__form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    display: flex; flex-direction: column; gap: 1.25rem;
}
.form__group { display: flex; flex-direction: column; gap: 0.4rem; }
.form__group label {
    font-size: 0.8125rem; font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase; letter-spacing: 0.06em;
}
.form__group input,
.form__group textarea {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--black);
    background: var(--gray-100);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    width: 100%;
    transition: border-color var(--transition);
    resize: vertical;
    outline: none;
}
.form__group input:focus,
.form__group textarea:focus {
    border-color: var(--black);
    background: var(--white);
}
.form__group textarea { min-height: 120px; }

/* FOOTER */
.footer {
    background: var(--black); color: var(--gray-400);
    padding: 2rem 0;
    border-top: 1px solid #1e1e1e;
}
.footer__inner {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 1rem;
}
.footer__copy { font-size: 0.875rem; }
.footer__links { display: flex; gap: 2rem; }
.footer__links a {
    font-size: 0.875rem;
    transition: color var(--transition);
}
.footer__links a:hover { color: var(--white); }

/* ANIMATIONS - only hide if JS loaded */
.js-loaded .fade-up {
    opacity: 0;
    transform: translateY(28px);
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        padding-top: 6rem;
    }
    .hero__accent { display: none; }
    .credentials__inner { grid-template-columns: 1fr; gap: 2rem; }
    .contact__inner { grid-template-columns: 1fr; gap: 3rem; }
    .nav__links { display: none; }
    .nav__hamburger { display: flex; }
}

@media (max-width: 600px) {
    .services__grid { grid-template-columns: 1fr; }
    .credentials__logos { grid-template-columns: 1fr 1fr; }
    .stack__groups { grid-template-columns: 1fr; gap: 2rem; }
    .hero__headline { font-size: 2.25rem; }
    .contact__form { padding: 1.5rem; }
}

/* Mobile nav open state */
.nav--open .nav__links {
    display: flex; flex-direction: column;
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--white);
    justify-content: center; align-items: center;
    gap: 2.5rem; z-index: 99;
}
.nav--open .nav__links a { font-size: 1.25rem; }