/* ===========================================
   HAAST TRADING — Global Commodity Trading
   Stylesheet
   =========================================== */

:root {
    --gold: #D4AF37;
    --gold-dark: #B8860B;
    --gold-light: #F4E4A6;
    --gold-gradient: linear-gradient(135deg, #D4AF37 0%, #B8860B 50%, #D4AF37 100%);

    --black: #0A0E1A;
    --dark: #1A1F2E;
    --grey-dark: #4A5568;
    --grey: #718096;
    --grey-light: #E2E8F0;
    --white: #FAFAFA;
    --off-white: #F7F5F0;

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

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.12);
    --shadow-gold: 0 8px 24px rgba(212, 175, 55, 0.25);

    --max-width: 1280px;
    --gutter: 1.5rem;
    --section-padding: 6rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

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

ul { list-style: none; }

button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.gold {
    color: var(--gold);
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 600;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--black);
    letter-spacing: -0.01em;
}

.hero-title { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 500; }
.section-title { font-size: clamp(2rem, 4vw, 3.25rem); margin-bottom: 1rem; }

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gold-dark);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    padding: 0.4rem 1rem;
    background: rgba(212, 175, 55, 0.08);
    border-radius: 30px;
}

.section-lead {
    font-size: 1.125rem;
    color: var(--grey-dark);
    max-width: 700px;
    margin: 1rem auto 0;
    line-height: 1.7;
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--dark);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

p { color: var(--grey-dark); margin-bottom: 1rem; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.95rem 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    border: 1.5px solid transparent;
    text-transform: uppercase;
}

.btn-primary {
    background: var(--gold-gradient);
    color: var(--black);
    box-shadow: var(--shadow-gold);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(212, 175, 55, 0.4); }

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); }

.btn-full { width: 100%; }

/* ===== Header / Nav ===== */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1rem 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(212, 175, 55, 0.08);
}

.header.scrolled {
    background: rgba(10, 14, 26, 0.98);
    padding: 0.65rem 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo-link { display: flex; align-items: center; }
.logo { height: 56px; transition: var(--transition); }
.header.scrolled .logo { height: 44px; }

.nav-list {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.03em;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 1.5px;
    background: var(--gold);
    transition: var(--transition);
}

.nav-link:hover { color: var(--gold); }
.nav-link:hover::after { width: 100%; }

.nav-cta {
    background: var(--gold-gradient);
    color: var(--black) !important;
    padding: 0.65rem 1.5rem;
    border-radius: 4px;
    font-weight: 500;
}
.nav-cta::after { display: none; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: var(--shadow-gold); }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 28px; height: 2px;
    background: var(--gold);
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    overflow: hidden;
    padding-top: 100px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at top right, rgba(212, 175, 55, 0.18) 0%, transparent 50%),
        radial-gradient(ellipse at bottom left, rgba(212, 175, 55, 0.10) 0%, transparent 50%),
        linear-gradient(135deg, #0A0E1A 0%, #1A1F2E 50%, #0A0E1A 100%);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(212, 175, 55, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212, 175, 55, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
    text-align: center;
    max-width: 900px;
    z-index: 2;
    padding: 2rem 0;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.875rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.5rem;
    padding: 0.5rem 1.5rem;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 30px;
}

.hero-title {
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.45);
    letter-spacing: 0.05em;
}

.meta-separator { color: var(--gold); font-size: 1.1em; line-height: 1; }

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-indicator span {
    display: block;
    width: 3px;
    height: 8px;
    background: var(--gold);
    border-radius: 2px;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(15px); opacity: 0; }
}

/* ===== Sections ===== */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== About ===== */
.about { background: var(--off-white); }

.about-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.stat-card {
    background: white;
    padding: 2rem 1.25rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid rgba(212, 175, 55, 0.1);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gold);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 600;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--grey-dark);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ===== Services ===== */
.services { background: white; }

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: var(--off-white);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    transition: var(--transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

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

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    background: white;
    border-color: rgba(212, 175, 55, 0.2);
}

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

.service-icon {
    width: 56px; height: 56px;
    background: var(--gold-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--black);
}

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

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* ===== Products ===== */
.products { background: var(--off-white); }

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.product-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--grey-light);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gold);
}

.product-emoji {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1;
}

.product-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.product-card p {
    font-size: 0.92rem;
    margin: 0;
}

/* ===== Markets ===== */
.markets {
    background: var(--black);
    color: var(--white);
    position: relative;
}

.markets .section-title { color: white; }
.markets .section-lead { color: rgba(255, 255, 255, 0.7); }

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

.market-zone {
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(212, 175, 55, 0.15);
    border-radius: 8px;
    transition: var(--transition);
}

.market-zone:hover {
    background: rgba(212, 175, 55, 0.06);
    border-color: rgba(212, 175, 55, 0.3);
}

.market-zone h3 {
    font-size: 1.75rem;
    color: var(--gold);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.market-zone ul li {
    padding: 0.6rem 0;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.5;
}

.market-zone strong {
    color: var(--gold-light);
    font-weight: 500;
}

/* ===== Why HAAST ===== */
.why { background: white; }

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.why-grid-three {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.why-item {
    text-align: left;
    padding: 2rem 1.5rem;
    border-left: 3px solid var(--gold);
    transition: var(--transition);
}

.why-grid-three .why-item {
    padding: 2.75rem 2rem 2.25rem;
    text-align: center;
    border-left: none;
    border-top: 3px solid var(--gold);
    background: var(--off-white);
    position: relative;
}

.why-item:hover {
    transform: translateX(4px);
}

.why-grid-three .why-item:hover {
    transform: translateY(-6px);
}

.why-grid-three .why-number {
    font-size: 2.6rem;
    letter-spacing: 0.18em;
    margin-bottom: 0.5rem;
}

.why-grid-three .why-item h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.why-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 600;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 1rem;
}

.why-item h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

.why-item p {
    font-size: 0.95rem;
    margin: 0;
}

/* ===== Contact ===== */
.contact { background: var(--off-white); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info { padding-right: 2rem; }

.contact-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--grey-light);
}

.contact-item:last-child { border-bottom: none; }

.contact-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gold-dark);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.contact-value {
    font-size: 1.05rem;
    color: var(--dark);
    line-height: 1.6;
}

.contact-link {
    color: var(--dark);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--gold-dark);
    border-bottom-color: var(--gold);
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--grey-dark);
    margin-bottom: 0.5rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1.5px solid var(--grey-light);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--dark);
    background: white;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

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

/* ===== Footer ===== */
.footer {
    background: var(--black);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

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

.footer-brand p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 320px;
}

.footer-links h4 {
    color: var(--gold);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1.25rem;
    font-weight: 500;
}

.footer-links ul li {
    margin-bottom: 0.65rem;
    font-size: 0.9rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1.5rem 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
    margin: 0;
}

.footer-motto {
    margin-top: 0.75rem !important;
    font-family: var(--font-serif);
    font-style: italic;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.55) !important;
    font-size: 0.8rem !important;
}

.footer-motto .gold {
    font-style: normal;
    letter-spacing: normal;
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .services-grid, .products-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid-three { grid-template-columns: 1fr; gap: 1.75rem; max-width: 560px; }
    .footer-container { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 3rem; }
    .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .contact-info { padding-right: 0; }
    :root { --section-padding: 4.5rem; }
}

@media (max-width: 768px) {
    .nav-list {
        position: fixed;
        top: 0; right: -100%;
        width: 75%; max-width: 320px;
        height: 100vh;
        background: var(--black);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 4rem 2.5rem;
        transition: right 0.3s ease;
        box-shadow: var(--shadow-lg);
        gap: 1.75rem;
    }
    .nav-list.active { right: 0; }
    .menu-toggle { display: flex; }
    .nav-link { font-size: 1.1rem; }

    .hero { min-height: auto; padding: 130px 0 80px; }
    .hero-subtitle { font-size: 1.05rem; }
    .hero-buttons { flex-direction: column; gap: 0.75rem; }
    .hero-buttons .btn { width: 100%; }

    .services-grid, .products-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .markets-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .footer-container { grid-template-columns: 1fr; gap: 2.5rem; }
    .about-stats { grid-template-columns: 1fr 1fr; }
    .contact-form { padding: 2rem 1.5rem; }
    :root { --section-padding: 3.5rem; --gutter: 1.25rem; }
}

@media (max-width: 480px) {
    .about-stats { grid-template-columns: 1fr; }
    .stat-number { font-size: 2.5rem; }
    .section-title { font-size: 1.85rem; }
    .hero-title { font-size: 2.25rem; }
}