/* === BLACKPICK GOLD TRADING — Styles === */

:root {
    --gold: #c8a45c;
    --gold-light: #dbc07f;
    --gold-dark: #a8863a;
    --black: #0a0a0a;
    --black-light: #141414;
    --black-medium: #1a1a1a;
    --white: #ffffff;
    --gray-100: #f5f5f0;
    --gray-200: #e8e6e0;
    --gray-400: #999;
    --gray-600: #666;
    --gray-800: #333;

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Raleway', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-gold: 0 4px 20px rgba(200,164,92,0.3);
}

/* === Reset === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-800);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

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

/* === Header === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: all 0.4s var(--ease);
}

.header.scrolled {
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 3px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    color: var(--gold);
    font-size: 0.9rem;
}

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    color: rgba(255,255,255,0.8);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: color 0.3s;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s var(--ease);
}

/* === Hero === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,10,10,0.85) 0%, rgba(10,10,10,0.6) 50%, rgba(10,10,10,0.75) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold);
    border: 1px solid rgba(200,164,92,0.4);
    padding: 8px 20px;
    margin-bottom: 30px;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
}

.gold-text {
    color: var(--gold);
}

.hero p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.7);
    font-weight: 300;
    margin-bottom: 40px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 14px 36px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--ease);
}

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

.btn-gold:hover {
    background: var(--gold-light);
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* === Sections === */
.section {
    padding: 110px 0;
}

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

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 12px;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 600;
    color: var(--gray-800);
}

.section-dark .section-header h2 {
    color: var(--white);
}

/* === About === */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    border: 2px solid var(--gold);
    opacity: 0.3;
    pointer-events: none;
}

.about-text h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 24px;
    line-height: 1.2;
}

.about-text p {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 16px;
    font-weight: 400;
}

.about-details {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--gray-200);
}

.detail {
    text-align: center;
}

.detail-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--gold-dark);
    margin-bottom: 4px;
}

.detail-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--gray-400);
}

/* === Services === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--black-medium);
    border: 1px solid rgba(255,255,255,0.06);
    padding: 50px 35px;
    transition: all 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    border-color: rgba(200,164,92,0.2);
    transform: translateY(-5px);
}

.service-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 28px;
    color: var(--gold);
}

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

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 16px;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--gray-400);
    line-height: 1.7;
}

/* === Features / Why Us === */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.feature {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding: 35px;
    background: var(--gray-100);
    transition: all 0.3s var(--ease);
}

.feature:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.feature-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    flex-shrink: 0;
    opacity: 0.5;
}

.feature h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.feature p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* === CTA Section === */
.cta-section {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

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

.cta-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,10,10,0.8);
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 36px;
    font-weight: 300;
}

/* === Contact === */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.contact-card {
    background: var(--black-medium);
    border: 1px solid rgba(255,255,255,0.06);
    padding: 40px 28px;
    text-align: center;
    transition: all 0.3s var(--ease);
}

.contact-card:hover {
    border-color: rgba(200,164,92,0.3);
}

.contact-icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 20px;
    color: var(--gold);
}

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

.contact-card h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 10px;
}

.contact-card p {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.6;
}

.contact-card a {
    color: var(--gold);
    transition: color 0.3s;
}

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

/* === WhatsApp === */
.whatsapp-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 56px;
    height: 56px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    z-index: 90;
    box-shadow: 0 4px 16px rgba(37,211,102,0.4);
    transition: all 0.3s var(--ease);
}

.whatsapp-btn svg {
    width: 28px;
    height: 28px;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37,211,102,0.5);
}

/* === Footer === */
.footer {
    background: var(--black);
    padding: 50px 0 30px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 30px;
}

.footer-brand .logo {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--gray-400);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 28px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--gray-400);
    transition: color 0.3s;
}

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

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

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.35);
}

/* === Animations === */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* === Responsive === */
@media (max-width: 1024px) {
    .about-grid { gap: 50px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10,10,10,0.98);
        flex-direction: column;
        padding: 30px;
        gap: 24px;
        text-align: center;
    }

    .nav-links.active { display: flex; }
    .mobile-menu-btn { display: flex; }

    .mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
    .mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .hero h1 { font-size: 2.8rem; }
    .hero-content { max-width: 100%; }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image img { height: 350px; }
    .about-image::after { display: none; }

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

    .section { padding: 80px 0; }
    .section-header { margin-bottom: 50px; }
    .section-header h2 { font-size: 2.2rem; }
    .about-text h2 { font-size: 2rem; }

    .cta-content h2 { font-size: 2.2rem; }

    .footer-top {
        flex-direction: column;
        gap: 24px;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1rem; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { text-align: center; }
    .about-details { flex-direction: column; gap: 20px; }
    .contact-grid { grid-template-columns: 1fr; }
    .btn { padding: 12px 28px; }
    .feature { flex-direction: column; gap: 16px; }
}