/* =========================================
   EMERSONIAL INTERNATIONAL
   COMPLETE STYLESHEET
   BLACK / WHITE / RED
========================================= */


/* =========================================
   RESET
========================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #ffffff;
    color: #111111;
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}


/* =========================================
   BRAND VARIABLES
========================================= */

:root {
    --black: #000000;
    --dark: #111111;
    --red: #e10600;
    --white: #ffffff;
    --light: #f5f5f5;
    --gray: #777777;
    --border: #dedede;

    --container: 1200px;
    --transition: 0.3s ease;
}


/* =========================================
   GLOBAL
========================================= */

.container {
    width: min(92%, var(--container));
    margin: 0 auto;
}

.section {
    width: min(92%, var(--container));
    margin: 0 auto;
    padding: 110px 0;
}

.section-heading {
    max-width: 750px;
    margin-bottom: 60px;
}

.section-heading.centered {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-heading h2 {
    font-size: clamp(2.3rem, 5vw, 4rem);
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 22px;
}

.section-heading h2 span {
    color: var(--red);
}

.section-heading > p:last-child {
    color: var(--gray);
    font-size: 1.05rem;
    max-width: 650px;
}

.section-heading.centered > p:last-child {
    margin-left: auto;
    margin-right: auto;
}

.eyebrow {
    color: var(--red);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 18px;
    text-transform: uppercase;
}


/* =========================================
   BUTTONS
========================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 52px;
    padding: 0 28px;

    font-size: 0.9rem;
    font-weight: 700;

    border: 1px solid transparent;

    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--red);
    color: var(--white);
}

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

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.45);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--black);
}


/* =========================================
   HEADER
========================================= */

.site-header {
    position: fixed;

    top: 0;
    left: 0;

    width: 100%;

    z-index: 1000;

    background: rgba(0, 0, 0, 0.97);

    backdrop-filter: blur(12px);

    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.navbar {
    width: min(92%, var(--container));

    min-height: 82px;

    margin: auto;

    display: flex;

    align-items: center;
    justify-content: space-between;
}

.logo img {
    width: 170px;
    height: auto;
}

.nav-links {
    display: flex;

    align-items: center;

    gap: 34px;
}

.nav-links a {
    position: relative;

    color: var(--white);

    font-size: 0.85rem;
    font-weight: 600;

    transition: var(--transition);
}

.nav-links a::after {
    content: "";

    position: absolute;

    left: 0;
    bottom: -7px;

    width: 0;
    height: 2px;

    background: var(--red);

    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--red);
}

.nav-links a:hover::after {
    width: 100%;
}


/* =========================================
   MOBILE MENU
========================================= */

.menu-toggle {
    display: none;

    width: 42px;
    height: 42px;

    border: none;

    background: transparent;

    cursor: pointer;
}

.menu-toggle span {
    display: block;

    width: 26px;
    height: 2px;

    background: var(--white);

    margin: 6px auto;

    transition: var(--transition);
}


/* =========================================
   HERO
========================================= */

.hero {
    min-height: 100vh;

    padding: 150px 4% 100px;

    background:
        radial-gradient(
            circle at 75% 45%,
            rgba(225,6,0,0.13),
            transparent 25%
        ),
        linear-gradient(
            135deg,
            #000000,
            #111111
        );

    color: var(--white);

    display: grid;

    grid-template-columns: 1.05fr 0.95fr;

    align-items: center;

    gap: 60px;
}

.hero-content {
    max-width: 760px;

    margin-left: auto;
}

.hero h1 {
    font-size: clamp(2.7rem, 5.5vw, 5.2rem);

    line-height: 0.98;

    letter-spacing: -4px;

    margin-bottom: 30px;
}

.hero h1 span {
    display: block;

    color: var(--red);
}

.hero-text {
    max-width: 680px;

    color: #c7c7c7;

    font-size: 1.08rem;

    margin-bottom: 36px;
}

.hero-buttons {
    display: flex;

    flex-wrap: wrap;

    gap: 14px;
}


/* =========================================
   HERO VISUAL
========================================= */

.hero-visual {
    position: relative;

    width: min(100%, 520px);

    aspect-ratio: 1;

    margin: auto;
}

.data-orbit {
    position: absolute;

    inset: 12%;

    border: 1px solid rgba(225,6,0,0.4);

    border-radius: 50%;

    animation: rotate 18s linear infinite;
}

.orbit-two {
    inset: 25%;

    border-color: rgba(255,255,255,0.15);

    animation-duration: 12s;

    animation-direction: reverse;
}

.ai-core {
    position: absolute;

    top: 50%;
    left: 50%;

    width: 130px;
    height: 130px;

    transform: translate(-50%, -50%);

    background: var(--black);

    border: 2px solid var(--red);

    border-radius: 50%;

    display: flex;

    align-items: center;
    justify-content: center;

    box-shadow:
        0 0 40px rgba(225,6,0,0.25),
        inset 0 0 25px rgba(225,6,0,0.12);
}

.ai-core {
    animation: aiHeartbeat 2.4s ease-in-out infinite;
}

@keyframes aiHeartbeat {
    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
    }

    15% {
        transform: translate(-50%, -50%) scale(1.035);
    }

    30% {
        transform: translate(-50%, -50%) scale(1);
    }

    45% {
        transform: translate(-50%, -50%) scale(1.02);
    }

    60%,
    100% {
        transform: translate(-50%, -50%) scale(1);
    }
}

.ai-core span {
    color: var(--red);

    font-size: 2.2rem;

    font-weight: 800;

    letter-spacing: 2px;
}

.data-node {
    position: absolute;

    padding: 8px 13px;

    border: 1px solid rgba(255,255,255,0.18);

    background: rgba(0,0,0,0.7);

    color: #ffffff;

    font-size: 0.65rem;

    letter-spacing: 2px;

    font-weight: 700;
}

.node-one {
    top: 8%;
    left: 12%;
}

.node-two {
    top: 13%;
    right: 8%;
}

.node-three {
    bottom: 12%;
    left: 5%;
}

.node-four {
    bottom: 8%;
    right: 10%;

    color: var(--red);
}

/* =========================================
   AI VALUE CHAIN - SUBTLE FLOATING MOTION
   ========================================= */

.data-node {
    animation: dataNodeFloat 3.8s ease-in-out infinite;
}

.node-one {
    animation-delay: 0s;
}

.node-two {
    animation-delay: 0.8s;
}

.node-three {
    animation-delay: 1.6s;
}

.node-four {
    animation-delay: 2.4s;
}

@keyframes dataNodeFloat {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

@keyframes rotate {

    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }

}


/* =========================================
   ABOUT
========================================= */

.about-section {
    display: grid;

    grid-template-columns: 0.8fr 1.2fr;

    gap: 80px;

    align-items: start;
}

.about-section .section-heading {
    margin-bottom: 0;
}

.about-content {
    display: grid;

    grid-template-columns: 1fr 0.7fr;

    gap: 50px;
}

.about-text p {
    margin-bottom: 22px;

    color: #555555;
}

.about-highlight {
    padding: 35px;

    background: var(--black);

    color: var(--white);

    border-left: 4px solid var(--red);
}

.highlight-number {
    font-size: 4rem;

    font-weight: 800;

    color: var(--red);

    line-height: 1;

    margin-bottom: 20px;
}


/* =========================================
   VALUE CHAIN
========================================= */

.value-chain-section {
    width: 100%;
    max-width: none;

    padding-left: 4%;
    padding-right: 4%;

    background: var(--black);

    color: var(--white);
}

.value-chain {
    width: min(100%, 1250px);

    margin: auto;

    display: flex;

    align-items: stretch;

    justify-content: center;
}

.value-item {
    flex: 1;

    padding: 30px 18px;

    text-align: center;
}

.value-icon {
    width: 48px;
    height: 48px;

    margin: 0 auto 20px;

    border: 1px solid var(--red);

    display: flex;

    align-items: center;
    justify-content: center;

    color: var(--red);

    font-weight: 700;
}

.value-item h3 {
    font-size: 1rem;

    margin-bottom: 10px;
}

.value-item p {
    color: #999999;

    font-size: 0.82rem;
}

.value-arrow {
    display: flex;

    align-items: center;

    color: var(--red);

    font-size: 1.5rem;
}


/* =========================================
   SERVICES
========================================= */

.services-section {
    background: var(--light);
}

.services-grid {
    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 20px;
}

.service-card {
    position: relative;

    padding: 42px;

    background: var(--white);

    border: 1px solid var(--border);

    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);

    border-color: var(--red);
}

.service-icon {
    width: 54px;
    height: 54px;

    margin-bottom: 22px;

    display: flex;

    align-items: center;
    justify-content: center;

    color: var(--red);

    border: 1px solid rgba(225, 6, 0, 0.25);

    transition: all 0.3s ease;
}

.service-icon svg {
    width: 30px;
    height: 30px;

    stroke: currentColor;

    fill: none;

    stroke-width: 1.5;

    stroke-linecap: round;
    stroke-linejoin: round;
}

.service-card:hover .service-icon {
    background: var(--red);

    color: var(--white);

    border-color: var(--red);

    transform: translateY(-2px);
}

.card-number {
    color: var(--red);

    font-size: 0.75rem;

    font-weight: 700;

    letter-spacing: 2px;

    margin-bottom: 22px;
}

.service-card h3 {
    font-size: 1.6rem;

    margin-bottom: 16px;
}

.service-card > p {
    color: var(--gray);

    margin-bottom: 25px;
}

.service-card ul {
    border-top: 1px solid var(--border);

    padding-top: 18px;
}

.service-card li {
    position: relative;

    padding-left: 18px;

    margin-bottom: 9px;

    font-size: 0.9rem;
}

.service-card li::before {
    content: "";

    position: absolute;

    top: 10px;
    left: 0;

    width: 6px;
    height: 6px;

    background: var(--red);
}


/* =========================================
   SOLUTIONS
========================================= */

.solution-category {
    margin-bottom: 70px;
}

.solution-category:last-child {
    margin-bottom: 0;
}

.solution-category > h3 {
    font-size: 1.25rem;

    margin-bottom: 24px;

    padding-left: 15px;

    border-left: 3px solid var(--red);
}

.solutions-grid {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 18px;
}

.solution-card {
    padding: 32px;

    min-height: 220px;

    background: var(--black);

    color: var(--white);

    transition: var(--transition);
}

.solution-card:hover {
    transform: translateY(-5px);

    box-shadow:
        0 15px 35px rgba(0,0,0,0.12);
}

.solution-icon {
    width: 48px;
    height: 48px;

    margin-bottom: 24px;

    display: flex;

    align-items: center;
    justify-content: center;

    color: var(--red);

    transition: transform 0.3s ease;
}

.solution-icon svg {
    width: 30px;
    height: 30px;

    stroke: currentColor;

    fill: none;

    stroke-width: 1.5;

    stroke-linecap: round;
    stroke-linejoin: round;
}

.solution-card:hover .solution-icon {
    transform: translateY(-3px);
}

.solution-card h4 {
    font-size: 1.15rem;

    margin-bottom: 14px;
}

.solution-card p {
    color: #a9a9a9;

    font-size: 0.9rem;
}


/* =========================================
   INDUSTRIES
========================================= */

.industries-section {
    background: var(--light);
}

.industry-group {
    margin-bottom: 55px;
}

.group-label {
    color: var(--red);

    font-size: 0.7rem;

    font-weight: 700;

    letter-spacing: 3px;

    margin-bottom: 20px;
}

.industry-grid {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 18px;
}

.industry-group:nth-child(2) .industry-grid {
    grid-template-columns: repeat(2, 1fr);
}

.industry-card {
    padding: 35px;

    background: var(--white);

    border: 1px solid var(--border);

    transition: var(--transition);
}

.industry-card:hover {
    border-color: var(--red);

    transform: translateY(-4px);
}

.industry-icon {
    width: 45px;
    height: 45px;

    margin-bottom: 20px;

    display: flex;

    align-items: center;
    justify-content: center;

    color: var(--red);
}

.industry-icon svg {
    width: 28px;
    height: 28px;

    stroke: currentColor;

    fill: none;

    stroke-width: 1.5;

    stroke-linecap: round;
    stroke-linejoin: round;
}

.industry-card h3 {
    margin-bottom: 12px;
}

.industry-card p {
    color: var(--gray);

    font-size: 0.9rem;
}


/* =========================================
   ADVANTAGES
========================================= */

.advantages-grid {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 1px;

    background: var(--border);

    border: 1px solid var(--border);
}

.advantage-card {
    padding: 38px;

    background: var(--white);
}

.advantage-card > span {
    color: var(--red);

    font-size: 0.7rem;

    font-weight: 700;

    letter-spacing: 2px;
}

.advantage-card h3 {
    margin: 18px 0 12px;
}

.advantage-card p {
    color: var(--gray);

    font-size: 0.9rem;
}


/* =========================================
   APPROACH
========================================= */

.approach-section {
    background: var(--black);

    color: var(--white);

    width: 100%;
    max-width: none;

    padding-left: 4%;
    padding-right: 4%;
}

.approach-grid {
    width: min(100%, 1200px);

    margin: auto;

    display: grid;

    grid-template-columns: repeat(5, 1fr);

    gap: 1px;

    background: #333333;
}

.approach-step {
    padding: 32px;

    background: var(--black);
}

.approach-step span {
    color: var(--red);

    font-size: 0.75rem;

    font-weight: 700;
}

.approach-step h3 {
    margin: 20px 0 12px;
}

.approach-step p {
    color: #999999;

    font-size: 0.85rem;
}


/* =========================================
   LEADERSHIP
========================================= */

.leader {
    display: grid;

    grid-template-columns: 0.7fr 1.3fr;

    gap: 80px;

    align-items: center;
}

.leader-image {
    position: relative;
}

.leader-image::after {
    content: "";

    position: absolute;

    width: 70%;
    height: 70%;

    bottom: -18px;
    left: -18px;

    border-left: 4px solid var(--red);

    border-bottom: 4px solid var(--red);

    z-index: -1;
}

.leader-image img {
    width: 100%;

    aspect-ratio: 1 / 1.15;

    object-fit: cover;

    background: var(--light);
}

.leader-role {
    color: var(--red);

    font-size: 0.75rem;

    font-weight: 700;

    letter-spacing: 3px;

    margin-bottom: 15px;
}

.leader-content h3 {
    font-size: 3rem;

    margin-bottom: 25px;
}

.leader-content p:not(.leader-role) {
    color: var(--gray);

    margin-bottom: 18px;

    max-width: 650px;
}


/* =========================================
   CTA
========================================= */

.cta-section {
    position: relative;

    padding: 130px 4%;

    background: var(--red);

    color: var(--white);

    text-align: center;

    overflow: hidden;
}

.cta-content {
    position: relative;

    z-index: 2;

    max-width: 850px;

    margin: auto;
}

.cta-section .eyebrow {
    color: var(--white);
}

.cta-section h2 {
    font-size: clamp(2.4rem, 5vw, 4.5rem);

    line-height: 1;

    letter-spacing: -2px;

    margin-bottom: 25px;
}

.cta-section h2 span {
    display: block;

    color: var(--black);
}

.cta-section p {
    max-width: 680px;

    margin: 0 auto 32px;

    color: rgba(255,255,255,0.88);
}


/* =========================================
   CONTACT
========================================= */

.contact-grid {
    display: grid;

    grid-template-columns: 0.7fr 1.3fr;

    gap: 80px;
}

.contact-item {
    padding: 25px 0;

    border-bottom: 1px solid var(--border);
}

.contact-item h3 {
    font-size: 0.8rem;

    color: var(--red);

    letter-spacing: 2px;

    text-transform: uppercase;

    margin-bottom: 8px;
}

.contact-item a,
.contact-item p {
    color: #444444;
}

.contact-item a:hover {
    color: var(--red);
}

.contact-form-wrapper {
    background: var(--light);

    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;

    margin-bottom: 7px;

    font-size: 0.8rem;

    font-weight: 700;
}

.form-group input,
.form-group textarea {
    width: 100%;

    border: 1px solid var(--border);

    background: var(--white);

    padding: 14px 15px;

    font-family: inherit;

    font-size: 0.95rem;

    outline: none;

    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--red);
}

.form-group textarea {
    resize: vertical;
}


/* =========================================
   FOOTER
========================================= */

.site-footer {
    background: #000000;

    color: #ffffff;

    margin-top: 0;
}

.footer-inner {
    max-width: 1200px;

    margin: 0 auto;

    padding: 75px 30px 65px;

    display: grid;

    grid-template-columns: 2fr 1fr 1.4fr 1fr;

    gap: 60px;
}


/* Footer Brand */

.footer-brand img {
    width: 175px;

    height: auto;

    margin-bottom: 20px;
}

.footer-tagline {
    color: #e10600;

    font-weight: 600;

    font-size: 14px;

    letter-spacing: 1px;

    margin-bottom: 18px;
}

.footer-description {
    color: #999999;

    font-size: 14px;

    line-height: 1.8;

    max-width: 310px;
}


/* Footer Columns */

.footer-column {
    display: flex;

    flex-direction: column;

    align-items: flex-start;
}

.footer-column h4 {
    font-size: 14px;

    text-transform: uppercase;

    letter-spacing: 1.5px;

    margin-bottom: 22px;

    color: #ffffff;
}

.footer-column a {
    color: #999999;

    text-decoration: none;

    font-size: 14px;

    margin-bottom: 13px;

    transition: all 0.3s ease;
}

.footer-column a:hover {
    color: #e10600;

    transform: translateX(3px);
}

.footer-column p {
    color: #999999;

    font-size: 14px;

    line-height: 1.8;

    margin: 0;
}


/* Footer Bottom */

.footer-bottom {
    border-top: 1px solid #222222;
}

.footer-bottom-inner {
    max-width: 1200px;

    margin: 0 auto;

    padding: 22px 30px;

    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 20px;
}

.footer-bottom p {
    color: #666666;

    font-size: 12px;

    margin: 0;
}

.footer-bottom a {
    color: #ffffff;

    text-decoration: none;

    font-size: 13px;

    font-weight: 600;

    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #e10600;
}


/* =========================================
   TABLET
========================================= */

@media (max-width: 1000px) {

    .nav-links {
        gap: 18px;
    }


    .hero {
        grid-template-columns: 1fr;

        padding-top: 140px;
    }

    .hero-content {
        margin: 0;
    }

    .hero-visual {
        width: min(100%, 450px);
    }


    .about-section {
        grid-template-columns: 1fr;

        gap: 45px;
    }

    .about-content {
        grid-template-columns: 1fr 0.6fr;
    }


    .value-chain {
        flex-wrap: wrap;
    }

    .value-item {
        flex: 0 0 33.333%;
    }

    .value-arrow {
        display: none;
    }


    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }


    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }


    .approach-grid {
        grid-template-columns: repeat(3, 1fr);
    }


    .leader {
        grid-template-columns: 0.8fr 1.2fr;

        gap: 50px;
    }


    .contact-grid {
        gap: 50px;
    }


    .footer-inner {
        grid-template-columns: 1.5fr 1fr 1.2fr 1fr;

        gap: 35px;
    }

}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 700px) {

    .section {
        padding: 75px 0;
    }


    .section-heading {
        margin-bottom: 40px;
    }


    .section-heading h2 {
        letter-spacing: -1.5px;
    }


    /* Navigation */

    .navbar {
        min-height: 70px;
    }

    .logo img {
        width: 145px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;

        top: 70px;
        left: 0;

        width: 100%;

        padding: 25px;

        background: var(--black);

        display: none;

        flex-direction: column;

        align-items: flex-start;

        gap: 20px;

        border-top: 1px solid #222222;
    }

    .nav-links.active {
        display: flex;
    }


    /* Hero */

    .hero {
        min-height: auto;

        padding: 125px 6% 75px;

        gap: 55px;
    }

    .hero h1 {
        font-size: clamp(2.7rem, 13vw, 4rem);

        letter-spacing: -2.5px;
    }

    .hero-text {
        font-size: 0.95rem;
    }

    .hero-visual {
        width: min(100%, 340px);
    }

    .ai-core {
        width: 95px;
        height: 95px;
    }

    .ai-core span {
        font-size: 1.6rem;
    }


    /* About */

    .about-content {
        grid-template-columns: 1fr;

        gap: 25px;
    }


    /* Value Chain */

    .value-item {
        flex: 0 0 50%;
    }


    /* Services */

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

    .service-card {
        padding: 30px;
    }


    /* Solutions */

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

    .solution-category {
        margin-bottom: 50px;
    }


    /* Industries */

    .industry-grid,
    .industry-group:nth-child(2) .industry-grid {
        grid-template-columns: 1fr;
    }


    /* Advantages */

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


    /* Approach */

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


    /* Leadership */

    .leader {
        grid-template-columns: 1fr;

        gap: 45px;
    }

    .leader-image {
        max-width: 420px;
    }

    .leader-content h3 {
        font-size: 2.3rem;
    }


    /* CTA */

    .cta-section {
        padding: 90px 6%;
    }


    /* Contact */

    .contact-grid {
        grid-template-columns: 1fr;

        gap: 45px;
    }

    .contact-form-wrapper {
        padding: 25px;
    }


    /* Footer */

    .footer-inner {
        grid-template-columns: 1fr 1fr;

        gap: 45px 30px;

        padding: 60px 25px 50px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-description {
        max-width: 450px;
    }

    .footer-bottom-inner {
        flex-direction: column;

        align-items: flex-start;

        padding: 20px 25px;
    }

}


/* =========================================
   SMALL MOBILE
========================================= */

@media (max-width: 500px) {

    .footer-inner {
        grid-template-columns: 1fr;

        gap: 35px;

        padding: 50px 20px 40px;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-brand img {
        width: 155px;
    }

    .footer-bottom-inner {
        padding: 20px;
    }

}