/* Design Tokens */
:root {
    --color-black: #1a1a1a;
    --color-white: #ffffff;
    --color-bg-light: #f7f7f7;
    --color-gold: #f2c94c;
    /* The CTA banner is a bright yellow-gold */
    --color-gold-dark: #c5a059;
    --color-text: #4a4a4a;
    --color-text-light: #8c8c8c;
    --color-border: #e0e0e0;

    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;

    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.3s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-white);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    color: var(--color-black);
}

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

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

.text-center {
    text-align: center;
}

/* Header & Navigation */
.site-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-fast);
}

.site-header.scrolled {
    position: fixed;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0.5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 80px;
    object-fit: contain;
}

.main-nav {
    display: flex;
    gap: 3rem;
}

.nav-link {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text);
    position: relative;
}

.nav-link:hover {
    color: var(--color-black);
}

.btn-inquire {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-black);
    border: 1px solid var(--color-border);
    padding: 0.75rem 2.5rem;
    transition: var(--transition-fast);
}

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

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    width: 30px;
    height: 20px;
    position: relative;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-black);
    position: absolute;
    left: 0;
    transition: var(--transition-fast);
}

.mobile-toggle span:nth-child(1) {
    top: 0;
}

.mobile-toggle span:nth-child(2) {
    top: 9px;
}

.mobile-toggle span:nth-child(3) {
    top: 18px;
}

.mobile-toggle.active span:nth-child(1) {
    top: 9px;
    transform: rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    top: 9px;
    transform: rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-white);
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateY(-100%);
    transition: var(--transition-slow);
}

.mobile-menu.active {
    transform: translateY(0);
}

.mobile-menu nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.mobile-nav-link {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--color-black);
}

.mobile-inquire {
    margin-top: 1rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    border: 1px solid var(--color-border);
    padding: 1rem 3rem;
}

/* Hero Section */
.hero {
    position: relative;
    height: 90vh;
    min-height: 600px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 80px;
    /* offset for header */
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    animation: slowZoom 20s ease-out infinite alternate;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content {
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.hero-est {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    line-height: 1.1;
    color: var(--color-white);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    display: flex;
    justify-content: center;
    width: 100%;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background-color: var(--color-white);
    animation: scrollDown 2s infinite;
}

/* Typography Utilities */
.title-serif {
    font-size: clamp(2rem, 3vw, 2.8rem);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.title-serif-small {
    font-size: 1.5rem;
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

.subtitle {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-light);
    display: block;
    margin-bottom: 1rem;
}

.section-heading-center {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem auto;
}

.divider {
    width: 60px;
    height: 1px;
    background-color: var(--color-border);
    margin: 2rem auto;
}

/* Buttons & Links */
.btn-gold {
    display: inline-block;
    background-color: #f2d17c;
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 1rem 2.5rem;
    border-radius: 2px;
    margin-top: 1.5rem;
}

.btn-gold:hover {
    background-color: #dfbe6b;
}

.link-underline {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-black);
    position: relative;
    display: inline-block;
    padding-bottom: 4px;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
    transition: var(--transition-fast);
}

.link-underline:hover::after {
    transform: translateY(2px);
}

/* Intro Section */
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.intro-image img {
    width: 100%;
    height: auto;
}

.intro-content p {
    color: var(--color-text);
    font-size: 0.95rem;
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-icon {
    margin-bottom: 1.5rem;
}

.stat-icon img {
    height: 40px;
}

.stat-number {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    text-transform: uppercase;
}

/* Philosophy Section */
.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.philosophy-content p {
    font-size: 1rem;
    margin-bottom: 2.5rem;
}

.philosophy-image img {
    width: 100%;
    height: auto;
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.portfolio-item {
    background-color: var(--color-white);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.portfolio-img {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.05);
}

.portfolio-info {
    padding: 2rem;
}

.portfolio-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.portfolio-info p {
    font-size: 0.75rem;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--color-white);
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.quote-mark {
    font-family: var(--font-serif);
    font-size: 4rem;
    color: var(--color-border);
    line-height: 1;
    margin-bottom: 1rem;
}

.testimonial-card p {
    font-size: 0.95rem;
    color: var(--color-text);
    margin-bottom: 2rem;
    font-style: italic;
}

.client-name {
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: 0.25rem;
}

.client-role {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    text-transform: uppercase;
}

/* Quote Section */
.large-quote-mark {
    font-family: var(--font-serif);
    font-size: 5rem;
    color: var(--color-border);
    line-height: 1;
}

.quote-text {
    font-style: italic;
    max-width: 900px;
    margin: 0 auto 2rem auto;
}

.quote-author {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

/* CTA Banner */
.cta-banner {
    background-color: #ffd86b;
    padding: 4rem 0;
}

.cta-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cta-text h3 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.cta-text p {
    font-size: 0.9rem;
    margin: 0;
}

.btn-white {
    background-color: var(--color-white);
    color: var(--color-black);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 1rem 2.5rem;
    border-radius: 2px;
}

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

/* Footer */
.site-footer {
    background-color: #1a1a1a;
    color: var(--color-text-light);
    padding: 5rem 0 2rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    height: 24px;
    filter: brightness(0) invert(1);
    margin-bottom: 1.5rem;
}

.footer-col h4 {
    color: var(--color-white);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.footer-col p {
    font-size: 0.85rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.brand-col p {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    max-width: 250px;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.social-icons a:hover {
    background-color: var(--color-white);
}

.social-icons a:hover img {
    filter: brightness(0);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a:hover {
    color: var(--color-white);
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes slowZoom {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

@keyframes scrollDown {
    0% {
        transform: translateY(-100%);
    }

    100% {
        transform: translateY(200%);
    }
}

/* About Page Specifics */
.about-hero {
    position: relative;
    height: 70vh;
    min-height: 500px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 80px;
    padding: 0 2rem;
}

.about-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.about-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-hero-content {
    color: var(--color-white);
    max-width: 800px;
}

.about-hero-content p {
    font-size: 1.1rem;
}

/* Leadership Grid */
.leadership-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.leader-card {
    background-color: var(--color-white);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.leader-image {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.leader-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
}

.leader-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.8));
    color: var(--color-white);
}

.leader-overlay h3 {
    color: var(--color-white);
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.leader-overlay span {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--color-gold-dark);
    text-transform: uppercase;
}

.leader-bio {
    padding: 2.5rem;
}

/* Global Presence */
.presence-header {
    margin-bottom: 3rem;
}

.presence-header h2 {
    font-size: 2rem;
}

.presence-header p {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

.presence-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.presence-card {
    border-left: 1px solid var(--color-border);
    padding-left: 2rem;
}

.presence-card h4 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.presence-card span {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.presence-card p {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* Sustainability */
.sustainability-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.sustainability-list {
    list-style: none;
    margin-top: 2.5rem;
}

.sustainability-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.sustainability-list span {
    font-size: 0.95rem;
    padding-top: 2px;
}

.sustainability-image img {
    width: 100%;
    height: auto;
}

/* Header Solid Variant */
.header-solid {
    background-color: var(--color-white);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
}

.header-solid .nav-link {
    color: var(--color-text);
}

.header-solid .nav-link:hover,
.header-solid .nav-link.active {
    color: var(--color-gold-dark);
}

.header-solid .btn-inquire {
    border-color: var(--color-text);
    color: var(--color-text);
}

.header-solid .btn-inquire:hover {
    background-color: var(--color-text);
    color: var(--color-white);
}

.header-solid .mobile-toggle span {
    background-color: var(--color-text);
}

/* Projects Header Section */
.page-projects {
    padding-top: 100px;
}

.projects-header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
}

.projects-title-area {
    max-width: 600px;
}

.projects-title-area h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.projects-title-area p {
    font-size: 1.1rem;
    color: var(--color-text-light);
}

.projects-filter {
    display: flex;
    gap: 1.5rem;
}

.filter-btn {
    background: none;
    border: none;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    cursor: pointer;
    padding-bottom: 5px;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--color-text);
    border-bottom-color: var(--color-text);
}

.projects-header .divider {
    width: 100%;
    margin-top: 1rem;
}

/* NEW Projects Stack Layout */
.projects-header {
    padding-top: 150px;
    padding-bottom: 2rem;
}
.projects-header-top {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}
.projects-intro-text {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.projects-stack {
    padding-top: 2rem;
}
.project-stack-item {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 8rem;
}
.project-stack-item.reverse {
    grid-template-columns: 1fr 1.2fr;
}
.project-stack-image {
    width: 100%;
    height: 500px;
    overflow: hidden;
}
.project-stack-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s ease;
}
.project-stack-item:hover .project-stack-image img {
    transform: scale(1.05);
}
.project-stack-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.project-stack-logo {
    height: 60px;
    object-fit: contain;
    margin-bottom: 2rem;
}
.sapphire-logo {
    filter: invert(1);
    background-color: var(--color-black);
    padding: 10px;
}
.project-stack-content h3 {
    margin-bottom: 1.5rem;
}
.project-stack-content p {
    color: var(--color-text-light);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.7;
}
.project-meta-tags {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}
.project-meta-tags span {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

/* Detail Pages Specifics */
.project-detail-hero {
    position: relative;
    width: 100%;
    height: 60vh;
    min-height: 500px;
    margin-top: 80px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.detail-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    filter: brightness(0.7);
}
.detail-hero-content {
    text-align: center;
    color: var(--color-white);
    padding: 3rem;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    border-radius: 8px;
    max-width: 800px;
}
.detail-hero-content .title-serif {
    color: var(--color-white);
}
.detail-hero-logo {
    height: 90px;
    object-fit: contain;
    margin-bottom: 2rem;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 15px 30px;
    border-radius: 8px;
}
.detail-hero-logo.sapphire {
    filter: invert(1);
    background-color: var(--color-black);
}

.project-details-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-top: -50px;
    position: relative;
    z-index: 10;
    background-color: var(--color-white);
    padding: 4rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
}
.detail-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    border-right: 1px solid var(--color-border);
    padding-right: 2rem;
}
.stat-block h5 {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}
.stat-block p {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-black);
    margin: 0;
}
.detail-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}
.detail-text p {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}
.gallery-item {
    width: 100%;
    height: 400px;
    overflow: hidden;
}
.gallery-item.full {
    grid-column: span 2;
    height: 600px;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.gallery-item:hover img {
    transform: scale(1.02);
}

/* Contact Page Specifics */
.page-contact {
    padding-top: 100px;
}

.contact-title-area {
    max-width: 800px;
    margin-bottom: 2rem;
}

.contact-title-area h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.contact-title-area p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
}

/* Form Styles */
.contact-form-card {
    border: 1px solid var(--color-border);
    padding: 3rem;
}

.contact-form-card h2 {
    margin-bottom: 2.5rem;
}

.inquiry-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 2.5rem;
}

.form-group label {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--color-text);
    margin-bottom: 1rem;
    font-weight: 600;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 0;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    background: transparent;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-bottom-color: var(--color-text);
}

.form-group input::placeholder {
    color: #a0a0a0;
}

/* Radio Buttons */
.radio-group {
    display: flex;
    gap: 2rem;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--color-text);
}

.radio-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.radio-custom {
    height: 16px;
    width: 16px;
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    margin-right: 10px;
    display: inline-block;
    position: relative;
}

.radio-label:hover input~.radio-custom {
    border-color: var(--color-text);
}

.radio-label input:checked~.radio-custom {
    border-color: var(--color-text);
}

.radio-label input:checked~.radio-custom::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-text);
}

.btn-black {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: 1rem 3rem;
    border: none;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-black:hover {
    background-color: #333;
}

/* Sidebar Styles */
.contact-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-card {
    border: 1px solid var(--color-border);
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.hubs-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    font-weight: 600;
    margin-bottom: 2rem;
}

.hub-location h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.hub-location p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.hub-phone {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.9rem;
    transition: color 0.3s;
}

.hub-phone:hover {
    color: var(--color-gold-dark);
}

.hub-divider {
    height: 1px;
    background-color: var(--color-border);
    margin: 2rem 0;
}

.careers-card {
    background-color: #f2ce8a;
    border: 1px solid #e0be7d;
}

.careers-card .bg-icon {
    position: absolute;
    right: -20px;
    bottom: -20px;
    width: 200px;
    height: 200px;
    opacity: 0.1;
}

.careers-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.careers-card p {
    font-size: 0.95rem;
    margin-bottom: 2rem;
    line-height: 1.6;
    max-width: 85%;
}

.careers-link {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid var(--color-text);
    padding-bottom: 3px;
    transition: var(--transition);
}

.careers-link:hover {
    color: var(--color-white);
    border-bottom-color: var(--color-white);
}

/* Responsive */
@media (max-width: 1024px) {
    .header-container { padding: 1.5rem 2rem; }
    .intro-grid, .philosophy-grid, .leadership-grid, .sustainability-grid { gap: 3rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 3rem; }
    .portfolio-grid, .testimonials-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 3rem; }
    .project-stack-item, .project-stack-item.reverse { grid-template-columns: 1fr; gap: 2rem; }
    .project-details-grid { padding: 2rem; grid-template-columns: 1fr; margin-top: 0; box-shadow: none; }
    .detail-stats { border-right: none; border-bottom: 1px solid var(--color-border); padding-right: 0; padding-bottom: 2rem; flex-direction: row; flex-wrap: wrap; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .main-nav, .btn-inquire { display: none; }
    .mobile-toggle { display: block; }
    .intro-grid, .philosophy-grid, .leadership-grid, .sustainability-grid { grid-template-columns: 1fr; }
    .philosophy-image, .sustainability-image { order: -1; }
    .presence-grid { grid-template-columns: 1fr; }
    .presence-card { border-left: none; border-top: 1px solid var(--color-border); padding-left: 0; padding-top: 2rem; }
    .portfolio-grid, .testimonials-grid { grid-template-columns: 1fr; }
    .cta-content { flex-direction: column; text-align: center; gap: 2rem; }
    .footer-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: 1fr; }
    .gallery-item.full { grid-column: span 1; height: 300px; }
    .gallery-item { height: 300px; }
    .project-stack-image { height: 300px; }
    .inquiry-form .form-row { grid-template-columns: 1fr; gap: 0; }
    .radio-group { flex-direction: column; gap: 1rem; }
    .contact-form-card, .sidebar-card { padding: 2rem; }
    .contact-title-area h1 { font-size: 2.5rem; }
}