:root {
    /* Background */

    --bg-dark: #000;
    --bg-light: #f3efe7;

    /* Text */

    --text-light: #fff;
    --text-dark: #111;

    --text-muted: #666;
    --text-muted-light: #8b8b8b;

    /* Brand */

    --gold: #b58d3f;
    --gold-light: #d4af37;

    /* Border */

    --border: #ddd6ca;
    --border-light: #ded5c5;

    /* Misc */

    --white-soft: #e5e5e5;
    --footer-muted: #b4b4b4;
}

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

html,
body {
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-dark);
    color: white;
    overflow-x: hidden;

    font-family: "Inter", sans-serif;
}

a {
    text-decoration: none;
}

/* ==========================
   NAVBAR
========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;

    width: 100%;

    padding: 18px 80px;

    display: flex;
    justify-content: space-between;
    align-items: center;

    z-index: 100;

    transition: all 0.3s ease;
}

.logo {
    cursor: pointer;
    font-family: "Instrument Serif", serif;
    font-size: 28px;
}

.logo span {
    color: #d4af37;
    font-style: italic;
}

.navbar nav {
    display: flex;
    gap: 20px;
}

.navbar nav a {
    color: inherit;
    font-size: 12px;
    padding: 8px 14px;

    border-radius: 999px;

    transition: all 0.3s ease;
}

.navbar nav a:hover {
    color: var(--gold);
}

.navbar nav a.active {
    background: var(--gold);

    color: white;
}

.navbar.scrolled {
    background: var(--bg-light);
}

.navbar.scrolled a {
    color: #111;
}

.navbar.scrolled .logo {
    color: #111;
}

.navbar.scrolled nav a.active {
    background: var(--gold);

    color: white;
}

/* ==========================
   HERO
========================== */
.hero {
    position: relative;

    min-height: 100svh;

    background-image: url("../images/hero.png");
    background-size: cover;
    background-position: center;

    display: flex;
    align-items: center;
}

.overlay {
    position: absolute;
    inset: 0;

    background: linear-gradient(rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.65));
}

.hero-content {
    position: relative;

    z-index: 2;

    max-width: 850px;

    margin-left: 80px;
}

.hero h1 {
    font-family: "Instrument Serif", serif;

    font-size: 110px;

    font-weight: 400;

    line-height: 0.92;
}

.gold {
    color: #d4af37;
    font-style: italic;
}

.hero p {
    margin-top: 35px;

    max-width: 520px;

    font-family: "Inter", sans-serif;

    font-size: 22px;

    line-height: 1.8;

    color: #e5e5e5;
}

/* ==========================
   EXPERTISE
========================== */

.expertise {
    background: var(--bg-light);
    color: #111;
}

.expertise-heading {
    padding: 120px 80px 80px;
}

.section-label {
    display: block;

    color: #b58d3f;

    font-size: 11px;

    letter-spacing: 3px;

    margin-bottom: 20px;
}

.section-title {
    font-family: "Instrument Serif", serif;

    font-size: 92px;

    font-weight: 400;

    line-height: 0.9;

    max-width: 760px;
}

.section-title span {
    color: #b58d3f;
    font-style: italic;
}

/* ==========================
   ITEM
========================== */

.expertise-item {
    border-top: 1px solid #ddd6ca;
}

.expertise-header {
    display: flex;

    align-items: center;

    gap: 30px;

    padding: 42px 80px;

    cursor: pointer;

    transition: 0.3s;
}

.number {
    width: 30px;

    font-size: 11px;

    color: #b58d3f;

    letter-spacing: 1px;
}

.title-container {
    flex: 1;
}

.title-container h3 {
    font-family: "Instrument Serif", serif;

    font-size: 58px;

    font-weight: 400;

    line-height: 1;

    transition: 0.4s;
}

.expertise-item:hover h3 {
    color: #b58d3f;
}

.arrow {
    color: #8d8d8d;

    font-size: 20px;

    transition: 0.4s;
}

.expertise-item.active .arrow {
    transform: rotate(45deg);

    color: #b58d3f;
}

/* ==========================
   CONTENT
========================== */

.expertise-content {
    display: grid;

    grid-template-columns:
        1.8fr
        1fr
        180px;

    gap: 50px;

    padding: 0 80px 50px 110px;

    max-height: 0;

    overflow: hidden;

    opacity: 0;

    transition:
        max-height 0.5s ease,
        opacity 0.4s ease,
        padding 0.4s ease;
}

.expertise-item.active .expertise-content {
    max-height: 400px;

    opacity: 1;
}

.content-description {
    color: #6f6f6f;

    font-size: 15px;

    line-height: 2;

    max-width: 520px;
}

.content-services {
    color: #8b8b8b;

    font-size: 12px;

    line-height: 2.3;

    letter-spacing: 1px;

    text-transform: uppercase;
}

.content-image {
    display: flex;

    justify-content: center;

    align-items: flex-start;
}

.content-image img {
    width: 140px;

    height: 100px;

    object-fit: cover;

    border-radius: 4px;
}
.arrow {
    width: 24px;

    height: 24px;

    display: flex;

    align-items: center;

    justify-content: center;
}

.arrow img {
    width: 18px;
    height: 18px;

    object-fit: contain;

    transition: transform 0.4s ease;
}

/* ==========================
   PROCESS
========================== */

.process {
    scroll-margin-top: 80px;
    background: var(--bg-light);

    color: #111;
}

.process-hero {
    position: relative;

    height: 520px;

    overflow: hidden;
}

.process-hero img {
    width: 100%;

    height: 100%;

    object-fit: cover;
}

.process-title {
    position: absolute;

    top: 40px;

    left: 80px;
}

.process-title h2 {
    font-family: "Instrument Serif", serif;

    font-size: 78px;

    font-weight: 400;

    color: white;
}

.process-content {
    padding: 100px 80px 120px;
}

.process-intro {
    max-width: 600px;

    color: #5f5f5f;

    font-size: 20px;

    line-height: 1.7;

    margin-bottom: 120px;
}

.process-grid {
    display: grid;

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

    gap: 90px 50px;
}

.process-item {
    position: relative;
}

.roman {
    font-family: "Instrument Serif", serif;

    font-size: 52px;

    color: #ded5c5;
}

.line {
    width: 100%;

    height: 1px;

    background: #ddd6ca;

    margin: -20px 0 30px 25px;
}

.process-item h3 {
    font-family: "Instrument Serif", serif;

    font-size: 42px;

    font-weight: 400;

    margin-bottom: 18px;
}

.process-item p {
    color: #6f6f6f;

    line-height: 1.9;

    font-size: 15px;

    max-width: 500px;
}

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

.about {
    background: var(--bg-light);

    color: #111;

    padding: 120px 80px 160px;
}

.about-grid {
    display: grid;

    grid-template-columns:
        1fr
        1.5fr;

    gap: 120px;
}

.about-label {
    display: block;

    color: #b58d3f;

    font-size: 11px;

    letter-spacing: 3px;

    margin-bottom: 25px;
}

.about-left h2 {
    font-family: "Instrument Serif", serif;

    font-size: 72px;

    line-height: 0.9;

    font-weight: 400;
}

.about-left span {
    display: block;

    color: #b58d3f;

    font-style: italic;
}

.about-quote {
    border-left: 2px solid #b58d3f;

    padding-left: 25px;

    font-family: "Instrument Serif", serif;

    font-style: italic;

    font-size: 28px;

    line-height: 1.4;

    margin-bottom: 40px;
}

.about-description {
    max-width: 700px;

    color: #666;

    font-size: 18px;

    line-height: 1.9;

    margin-bottom: 40px;
}

.about-tags {
    display: flex;

    flex-wrap: wrap;

    gap: 14px;
}

.tag {
    border: 1px solid #ddd6ca;

    padding: 14px 18px;

    display: flex;

    gap: 14px;

    align-items: center;

    background: transparent;
}

.tag strong {
    color: #b58d3f;

    font-size: 12px;

    letter-spacing: 1px;
}

.tag span {
    color: #666;

    font-size: 14px;
}

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

.contact {
    background: var(--bg-light);

    color: #111;

    padding: 120px 80px;
}

.contact-grid {
    display: grid;

    grid-template-columns:
        1fr
        1.4fr;

    gap: 120px;
}

/* LEFT */

.contact-label {
    display: block;

    color: #b58d3f;

    font-size: 11px;

    letter-spacing: 3px;

    margin-bottom: 20px;
}

.contact-left h2 {
    font-family: "Instrument Serif", serif;

    font-size: 72px;

    font-weight: 400;

    line-height: 0.9;

    margin-bottom: 40px;
}

.contact-left h2 span {
    display: block;

    color: #b58d3f;

    font-style: italic;
}

.contact-description {
    max-width: 420px;

    color: #666;

    line-height: 1.9;

    margin-bottom: 50px;
}

.contact-company h4 {
    color: #b58d3f;

    font-size: 13px;

    letter-spacing: 2px;

    margin-bottom: 15px;
}

.contact-company p {
    color: #666;

    line-height: 1.8;

    margin-bottom: 15px;
}

.contact-company a {
    color: #666;

    text-decoration: none;
}

/* RIGHT */

.form-row {
    display: grid;

    grid-template-columns:
        1fr
        1fr;

    gap: 20px;
}

.field {
    margin-bottom: 20px;
}

.field label {
    display: block;

    font-size: 11px;

    letter-spacing: 2px;

    margin-bottom: 10px;

    color: #666;
}

.field input,
.field textarea {
    width: 100%;

    border: 1px solid #ddd6ca;

    background: transparent;

    padding: 16px;

    font-size: 14px;

    color: #111;

    outline: none;
}

.field textarea {
    resize: vertical;
}

.contact button {
    background: #b58d3f;

    border: none;

    color: white;

    padding: 18px 32px;

    font-size: 13px;

    letter-spacing: 1px;

    cursor: pointer;

    transition: 0.3s;
}

.contact button:hover {
    opacity: 0.9;
}

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

.footer {
    background: var(--bg-light);

    border-top: 1px solid #ddd6ca;

    padding: 60px 80px 40px;
}

.footer-inner {
    display: flex;

    justify-content: space-between;

    align-items: flex-start;

    margin-bottom: 50px;
}

/* LEFT */

.footer-logo {
    font-family: "Instrument Serif", serif;

    font-size: 38px;

    color: #111;

    margin-bottom: 20px;
}

.footer-logo span {
    color: #b58d3f;

    font-style: italic;
}

.footer-description {
    max-width: 280px;

    color: #666;

    line-height: 1.8;

    font-size: 15px;
}

/* RIGHT */

.footer-right {
    display: flex;

    gap: 40px;
}

.footer-right a {
    color: #666;

    text-decoration: none;

    font-size: 12px;

    letter-spacing: 2px;

    transition: 0.3s;
}

.footer-right a:hover {
    color: #b58d3f;
}

/* BOTTOM */

.footer-bottom {
    color: #b4b4b4;

    font-size: 12px;
}

/* ==========================
   Responsive 1024px
========================== */
@media (max-width: 1024px) {
    .navbar {
        padding: 18px 40px;
    }

    .hero-content {
        margin-left: 40px;
    }

    .hero h1 {
        font-size: 80px;
    }

    .expertise-heading,
    .process-content,
    .about,
    .contact,
    .footer {
        padding-left: 40px;
        padding-right: 40px;
    }

    .expertise-header {
        padding: 35px 40px;
    }

    .expertise-content {
        padding: 0 40px 40px 80px;
    }

    .section-title {
        font-size: 72px;
    }

    .title-container h3 {
        font-size: 44px;
    }

    .about-grid,
    .contact-grid {
        gap: 60px;
    }

    .process-title {
        left: 40px;
    }
}

@media (max-width: 1024px) {
    .navbar {
        padding: 18px 40px;
    }

    .hero-content {
        margin-left: 40px;
    }

    .hero h1 {
        font-size: 80px;
    }

    .expertise-heading,
    .process-content,
    .about,
    .contact,
    .footer {
        padding-left: 40px;
        padding-right: 40px;
    }

    .expertise-header {
        padding: 35px 40px;
    }

    .expertise-content {
        padding: 0 40px 40px 80px;
    }

    .section-title {
        font-size: 72px;
    }

    .title-container h3 {
        font-size: 44px;
    }

    .about-grid,
    .contact-grid {
        gap: 60px;
    }

    .process-title {
        left: 40px;
    }
}

/* ==========================
   Responsive 768px
========================== */
@media (max-width: 768px) {
    /* NAVBAR */

    .navbar {
        padding: 18px 24px;

        flex-direction: column;

        gap: 15px;
    }

    .navbar nav {
        gap: 10px;

        flex-wrap: wrap;

        justify-content: center;
    }

    .navbar nav a {
        font-size: 11px;

        padding: 6px 10px;
    }

    .logo {
        font-size: 24px;
    }

    /* HERO */

    .hero-content {
        margin-left: 24px;

        margin-right: 24px;
    }

    .hero h1 {
        font-size: 58px;

        line-height: 1;
    }

    .hero p {
        font-size: 18px;

        max-width: 100%;
    }

    /* EXPERTISE */

    .expertise-heading {
        padding: 80px 24px 50px;
    }

    .section-title {
        font-size: 56px;
    }

    .expertise-header {
        padding: 28px 24px;

        gap: 15px;
    }

    .title-container h3 {
        font-size: 34px;
    }

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

        gap: 20px;

        padding: 0 24px 30px 55px;
    }

    .content-image {
        justify-content: flex-start;
    }

    .content-image img {
        width: 120px;

        height: 90px;
    }

    /* PROCESS */

    .process-hero {
        height: 300px;
    }

    .process-title {
        left: 24px;
    }

    .process-title h2 {
        font-size: 52px;
    }

    .process-content {
        padding: 60px 24px;
    }

    .process-intro {
        font-size: 18px;

        margin-bottom: 60px;
    }

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

        gap: 60px;
    }

    .process-item h3 {
        font-size: 32px;
    }

    /* ABOUT */

    .about {
        padding: 80px 24px;
    }

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

        gap: 50px;
    }

    .about-left h2 {
        font-size: 52px;
    }

    .about-quote {
        font-size: 22px;
    }

    .about-description {
        font-size: 16px;
    }

    /* CONTACT */

    .contact {
        padding: 80px 24px;
    }

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

        gap: 60px;
    }

    .contact-left h2 {
        font-size: 52px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    /* FOOTER */

    .footer {
        padding: 50px 24px;
    }

    .footer-inner {
        flex-direction: column;

        gap: 40px;
    }

    .footer-right {
        flex-wrap: wrap;

        gap: 20px;
    }

    .footer-logo {
        font-size: 28px;
    }
}

/* ==========================
   Responsive 480px
========================== */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 46px;
    }

    .section-title {
        font-size: 42px;
    }

    .title-container h3 {
        font-size: 28px;
    }

    .about-left h2,
    .contact-left h2 {
        font-size: 42px;
    }

    .process-title h2 {
        font-size: 42px;
    }
}