/* ==========================================================================
   CT Transactions - Styles
   Color Palette: Black, White, Gold
   ========================================================================== */

:root {
    --black: #1a1a1a;
    --black-light: #2d2d2d;
    --white: #ffffff;
    --white-off: #f8f8f8;
    --gold: #c9a227;
    --gold-light: #d4b44a;
    --gold-dark: #a88a1f;
    --gray: #888888;
    --gray-light: #e5e5e5;
    --gray-dark: #4a4a4a;

    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--black);
    background-color: var(--white);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 400;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.section-title.left {
    text-align: left;
}

.section-title.light {
    color: var(--white);
}

.section-intro {
    text-align: center;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
}

.section-intro.light {
    color: var(--gray-light);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: var(--transition);
}

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

.nav-cta {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--gold);
    color: var(--gold) !important;
}

.nav-cta:hover {
    background: var(--gold);
    color: var(--black) !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--black) 0%, var(--black-light) 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect fill="%23c9a227" opacity="0.03" width="1" height="100"/></svg>');
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    text-align: center;
    padding: 0 24px;
    max-width: 900px;
}

.hero-title {
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--white);
    font-weight: 300;
    letter-spacing: 0.02em;
    line-height: 1.2;
}

.title-line.gold {
    color: var(--gold);
}

.hero-subtitle {
    color: var(--gray);
    font-size: 1.2rem;
    margin-bottom: 3rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--gold);
    font-weight: 400;
}

.stat-label {
    display: block;
    color: var(--gray);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--gray-dark);
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: var(--transition);
}

.cta-button:hover {
    background: var(--gold);
    color: var(--black);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--gray-dark);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--gold);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(10px); }
}

/* ==========================================================================
   Expertise Section
   ========================================================================== */

.expertise {
    padding: 6rem 0;
    background: var(--white);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.expertise-card {
    padding: 2.5rem;
    background: var(--white);
    border: 1px solid var(--gray-light);
    transition: var(--transition);
}

.expertise-card:hover {
    border-color: var(--gold);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
    color: var(--gold);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.expertise-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--black);
}

.expertise-card p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ==========================================================================
   Clients Section
   ========================================================================== */

.clients {
    padding: 4rem 0;
    background: var(--black);
}

.clients-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
    margin-top: 2rem;
}

.client-logo {
    color: var(--gray);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.6;
    transition: var(--transition);
}

.client-logo:hover {
    opacity: 1;
    color: var(--gold);
}

/* ==========================================================================
   Transactions Section
   ========================================================================== */

.transactions {
    padding: 6rem 0;
    background: var(--white-off);
}

.transactions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.transaction-card {
    background: var(--white);
    padding: 2rem;
    border: 1px solid var(--gray-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.transaction-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--gold);
    transform: scaleY(0);
    transition: var(--transition);
}

.transaction-card:hover::before {
    transform: scaleY(1);
}

.transaction-card:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.transaction-type {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 0.75rem;
}

.transaction-card h3 {
    font-size: 1.4rem;
    color: var(--black);
    margin-bottom: 0.25rem;
}

.transaction-location {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.transaction-details {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.transaction-details .detail {
    font-size: 0.85rem;
    color: var(--gray-dark);
}

.transaction-details .detail strong {
    color: var(--black);
}

.transaction-price {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.transaction-buyer {
    font-size: 0.8rem;
    color: var(--gray);
    font-style: italic;
}

.transactions-summary {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-light);
}

.transactions-summary p {
    color: var(--gray);
    font-style: italic;
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about {
    padding: 6rem 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-role {
    color: var(--gold);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.about-text p {
    color: var(--gray-dark);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-text strong {
    color: var(--black);
    font-weight: 500;
}

.credentials {
    display: flex;
    gap: 2rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-light);
}

.credential {
    text-align: center;
}

.credential-logo {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--black);
    margin-bottom: 0.25rem;
}

.credential-detail {
    font-size: 0.8rem;
    color: var(--gray);
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-frame {
    position: relative;
}

.image-frame::before {
    content: '';
    position: absolute;
    top: -15px;
    left: -15px;
    right: 15px;
    bottom: 15px;
    border: 1px solid var(--gold);
    z-index: 0;
}

.image-frame img {
    width: 350px;
    height: 420px;
    object-fit: cover;
    object-position: center top;
    position: relative;
    z-index: 1;
    filter: grayscale(20%);
    transition: var(--transition);
}

.image-frame:hover img {
    filter: grayscale(0%);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact {
    padding: 6rem 0;
    background: var(--black);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item h3 {
    color: var(--gold);
    font-size: 0.8rem;
    font-family: var(--font-sans);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.contact-item p,
.contact-item a {
    color: var(--white);
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-form {
    display: grid;
    gap: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    background: transparent;
    border: 1px solid var(--gray-dark);
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23888888" stroke-width="2"><path d="M6 9l6 6 6-6"/></svg>');
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px;
}

.form-group select option {
    background: var(--black);
    color: var(--white);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    padding: 1rem 2.5rem;
    background: var(--gold);
    border: none;
    color: var(--black);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    justify-self: start;
}

.submit-button:hover {
    background: var(--gold-light);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    padding: 3rem 0;
    background: var(--black);
    border-top: 1px solid var(--gray-dark);
}

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

.footer-logo img {
    height: 60px;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.footer-text {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.footer-copyright {
    color: var(--gray-dark);
    font-size: 0.8rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image {
        order: -1;
    }

    .image-frame img {
        width: 280px;
        height: 340px;
    }

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--black);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        transition: var(--transition);
    }

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

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .stat-divider {
        width: 50px;
        height: 1px;
    }

    .credentials {
        flex-direction: column;
        gap: 1.5rem;
    }

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

@media (max-width: 480px) {
    .section-title {
        font-size: 1.8rem;
    }

    .hero-title .title-line {
        font-size: 2rem;
    }

    .expertise-card,
    .transaction-card {
        padding: 1.5rem;
    }
}