/* =============================================
   E RICHARDSON LLC — BRUTALIST DESIGN SYSTEM
   ============================================= */

/* --- RESET & BASE --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #0a0a0a;
    --white: #f0ede8;
    --raw-white: #ffffff;
    --grey-dark: #1a1a1a;
    --grey-mid: #2a2a2a;
    --grey-light: #888;
    --accent: #ff3d00;
    --accent-dim: #cc3100;
    --concrete: #d4d0c8;
    --font-display: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Space Mono', 'Courier New', monospace;
}

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

body {
    font-family: var(--font-display);
    background: var(--black);
    color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

/* --- TYPOGRAPHY --- */
.section-title {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -0.04em;
    text-transform: uppercase;
}

.accent-dot {
    color: var(--accent);
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--grey-light);
    writing-mode: vertical-lr;
    position: absolute;
    left: 2rem;
    top: 4rem;
}

/* --- BUTTON --- */
.btn {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 1.2rem 2.5rem;
    border: 2px solid var(--white);
    background: transparent;
    color: var(--white);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0, 0, 1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent);
    transition: left 0.4s cubic-bezier(0.25, 0, 0, 1);
    z-index: -1;
}

.btn:hover {
    border-color: var(--accent);
    color: var(--raw-white);
}

.btn:hover::before {
    left: 0;
}

.btn--primary {
    border-color: var(--accent);
}

.btn--large {
    padding: 1.5rem 3.5rem;
    font-size: 0.85rem;
}

/* --- NAV --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 3rem;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(240, 237, 232, 0.05);
}

.nav__brand {
    font-weight: 900;
    font-size: 1.1rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.nav__llc {
    font-weight: 400;
    font-size: 0.6rem;
    vertical-align: super;
    margin-left: 0.3rem;
    color: var(--accent);
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav__links a {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    transition: color 0.3s;
}

.nav__links a:hover {
    color: var(--accent);
}

.nav__cta {
    border: 1px solid var(--accent);
    padding: 0.6rem 1.2rem !important;
}

.nav__mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav__mobile-toggle span {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s;
}

.nav__mobile-toggle.active span:first-child {
    transform: rotate(45deg) translateY(5.5px);
}

.nav__mobile-toggle.active span:last-child {
    transform: rotate(-45deg) translateY(-5.5px);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--black);
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: right 0.5s cubic-bezier(0.25, 0, 0, 1);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    transition: color 0.3s;
}

.mobile-menu a:hover {
    color: var(--accent);
}

/* --- HERO --- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem 3rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.hero__tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.4em;
    color: var(--accent);
    margin-bottom: 2rem;
    padding-left: 0.1rem;
}

.hero__title {
    font-size: clamp(3.5rem, 9vw, 8rem);
    font-weight: 900;
    line-height: 0.85;
    letter-spacing: -0.05em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.hero__title--accent {
    color: var(--accent);
    display: inline-block;
}

.hero__sub {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    color: var(--grey-light);
    margin-bottom: 3rem;
    max-width: 420px;
}

/* Hero geometric blocks */
.hero__visual {
    position: relative;
    height: 500px;
}

.hero__block {
    position: absolute;
    background: var(--grey-dark);
}

.hero__block--1 {
    width: 300px;
    height: 300px;
    top: 0;
    right: 0;
    background: var(--grey-mid);
    transform: rotate(-3deg);
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 4px,
            rgba(255, 255, 255, 0.02) 4px,
            rgba(255, 255, 255, 0.02) 5px
        );
}

.hero__block--2 {
    width: 200px;
    height: 400px;
    top: 60px;
    right: 180px;
    background: var(--accent);
    transform: rotate(2deg);
    opacity: 0.15;
}

.hero__block--3 {
    width: 150px;
    height: 150px;
    bottom: 20px;
    right: 40px;
    border: 2px solid var(--grey-light);
    transform: rotate(-6deg);
}

.hero__coords {
    position: absolute;
    bottom: 0;
    right: 0;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--grey-light);
    letter-spacing: 0.2em;
}

.hero__scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hero__scroll-indicator span {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    color: var(--grey-light);
}

.hero__scroll-line {
    width: 60px;
    height: 1px;
    background: var(--grey-light);
    position: relative;
    overflow: hidden;
}

.hero__scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent);
    animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* --- SERVICES --- */
.services {
    padding: 8rem 3rem;
    position: relative;
    border-top: 1px solid rgba(240, 237, 232, 0.08);
}

.services__header {
    margin-bottom: 5rem;
    padding-left: 3rem;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    padding-left: 3rem;
}

.service-card {
    border: 1px solid rgba(240, 237, 232, 0.08);
    padding: 3rem 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.25, 0, 0, 1);
    cursor: default;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--grey-dark);
    transition: height 0.5s cubic-bezier(0.25, 0, 0, 1);
    z-index: 0;
}

.service-card:hover::before {
    height: 100%;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-card__num {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--accent);
    letter-spacing: 0.2em;
    margin-bottom: 2rem;
}

.service-card__title {
    font-size: 1.6rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.service-card__desc {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.7;
    color: var(--grey-light);
}

.service-card__line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent);
    transition: width 0.6s cubic-bezier(0.25, 0, 0, 1);
}

.service-card:hover .service-card__line {
    width: 100%;
}

.service-card--wide {
    grid-column: span 3;
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto auto;
    gap: 0 3rem;
    align-items: start;
}

.service-card--wide .service-card__num {
    grid-row: 1;
}

.service-card--wide .service-card__title {
    grid-row: 1 / 3;
}

.service-card--wide .service-card__desc {
    grid-column: 3;
    grid-row: 1 / 3;
    max-width: 400px;
}

/* --- IMPACT STRIP --- */
.impact-strip {
    background: var(--accent);
    color: var(--black);
    padding: 4rem 3rem;
    transform: skewY(-1.5deg);
    margin: 2rem 0;
}

.impact-strip__inner {
    transform: skewY(1.5deg);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.impact-stat__num {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1;
}

.impact-stat__suffix {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 900;
}

.impact-stat__label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    margin-top: 0.8rem;
    opacity: 0.7;
}

/* --- ABOUT --- */
.about {
    padding: 10rem 3rem;
    position: relative;
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 3rem;
}

.about__body {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.9;
    color: var(--grey-light);
    margin-top: 2rem;
    max-width: 480px;
}

.about__visual {
    position: relative;
    height: 450px;
}

.about__block--1 {
    position: absolute;
    width: 280px;
    height: 350px;
    background: var(--grey-mid);
    top: 0;
    right: 2rem;
    transform: rotate(2deg);
    background-image:
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 8px,
            rgba(255, 255, 255, 0.015) 8px,
            rgba(255, 255, 255, 0.015) 9px
        );
}

.about__block--2 {
    position: absolute;
    width: 200px;
    height: 200px;
    border: 2px solid var(--accent);
    bottom: 0;
    right: 8rem;
    transform: rotate(-4deg);
}

.about__texture {
    position: absolute;
    width: 120px;
    height: 120px;
    top: 2rem;
    right: 12rem;
    background:
        repeating-conic-gradient(
            var(--grey-mid) 0% 25%, transparent 0% 50%
        )
        0 0 / 10px 10px;
    opacity: 0.5;
}

/* --- CTA --- */
.cta {
    padding: 10rem 3rem;
    position: relative;
    text-align: center;
    overflow: hidden;
    border-top: 1px solid rgba(240, 237, 232, 0.08);
}

.cta__inner {
    position: relative;
    z-index: 2;
}

.cta__label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.4em;
    color: var(--accent);
    margin-bottom: 2rem;
}

.cta__title {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.cta__sub {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--grey-light);
    margin-bottom: 3rem;
}

.cta__blocks {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.cta__block {
    position: absolute;
    background: var(--grey-dark);
    opacity: 0.3;
}

.cta__block--1 {
    width: 250px;
    height: 250px;
    top: 5%;
    left: -3%;
    transform: rotate(8deg);
}

.cta__block--2 {
    width: 180px;
    height: 400px;
    bottom: -10%;
    right: -2%;
    transform: rotate(-5deg);
    background: var(--accent);
    opacity: 0.07;
}

/* --- FOOTER --- */
.footer {
    border-top: 1px solid rgba(240, 237, 232, 0.08);
    padding: 3rem;
}

.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}

.footer__brand {
    font-weight: 900;
    font-size: 0.9rem;
    letter-spacing: 0.15em;
}

.footer__copy {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--grey-light);
    letter-spacing: 0.1em;
}

.footer__links {
    display: flex;
    gap: 2rem;
}

.footer__links a {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--grey-light);
    transition: color 0.3s;
}

.footer__links a:hover {
    color: var(--accent);
}

/* --- SCROLL REVEAL --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0, 0, 1),
                transform 0.8s cubic-bezier(0.25, 0, 0, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .hero__grid {
        grid-template-columns: 1fr;
    }

    .hero__visual {
        display: none;
    }

    .services__grid {
        grid-template-columns: repeat(2, 1fr);
        padding-left: 0;
    }

    .service-card--wide {
        grid-column: span 2;
        display: block;
    }

    .about__grid {
        grid-template-columns: 1fr;
        padding-left: 0;
    }

    .about__visual {
        display: none;
    }

    .services__header {
        padding-left: 0;
    }

    .section-label {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav__links {
        display: none;
    }

    .nav__mobile-toggle {
        display: flex;
    }

    .nav {
        padding: 1.2rem 1.5rem;
    }

    .hero {
        padding: 7rem 1.5rem 3rem;
    }

    .hero__title {
        font-size: clamp(3rem, 14vw, 5rem);
    }

    .services {
        padding: 5rem 1.5rem;
    }

    .services__grid {
        grid-template-columns: 1fr;
    }

    .service-card--wide {
        grid-column: span 1;
    }

    .impact-strip__inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about {
        padding: 5rem 1.5rem;
    }

    .cta {
        padding: 6rem 1.5rem;
    }

    .footer__inner {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .hero__scroll-indicator {
        display: none;
    }
}