/* ========================================
   Alder Gold Exchange — Custom Styles
   ======================================== */

:root {
    --color-emerald: #0B5D4B;
    --color-emerald-light: #1a4a3f;
    --color-cream: #FDF9F3;
    --color-cream-dark: #FBF5E8;
    --color-gold: #D4A843;
    --color-gold-light: #E8C97A;
    --color-text: #1a1a1a;
    --color-text-muted: #5a5a5a;
    --color-line: rgba(11, 93, 75, 0.15);
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', system-ui, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--color-text);
    background-color: var(--color-cream);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(253, 249, 243, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-line);
    transition: box-shadow var(--transition);
}

.nav.scrolled {
    box-shadow: 0 1px 20px rgba(11, 93, 75, 0.08);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo-text {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-emerald);
    letter-spacing: 0.01em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-link {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: color var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width var(--transition);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-emerald);
    border: 1px solid var(--color-emerald);
    padding: 8px 18px;
    transition: all var(--transition);
}

.nav-cta:hover {
    background: var(--color-emerald);
    color: var(--color-cream);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--color-emerald);
    transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-cream);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-link {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-text);
    padding: 16px 0;
    border-bottom: 1px solid var(--color-line);
    width: 80%;
    text-align: center;
    transition: color var(--transition);
}

.mobile-menu-link:hover {
    color: var(--color-emerald);
}

.mobile-menu-cta {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-emerald);
    border-bottom: none;
    margin-top: 24px;
    letter-spacing: 0.05em;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    padding: 120px 0 60px;
    background: var(--color-cream);
    position: relative;
}

.hero-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 20px;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 4.5vw, 3.8rem);
    font-weight: 300;
    line-height: 1.15;
    color: var(--color-text);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.hero-highlight {
    font-style: italic;
    color: var(--color-emerald);
    position: relative;
}

.hero-highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-gold);
    opacity: 0.5;
}

.hero-sub {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    max-width: 480px;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 14px 32px;
    border-radius: 2px;
    transition: all var(--transition);
    cursor: pointer;
    border: 1.5px solid transparent;
}

.btn-primary {
    background: var(--color-emerald);
    color: var(--color-cream);
    border-color: var(--color-emerald);
}

.btn-primary:hover {
    background: var(--color-emerald-light);
    border-color: var(--color-emerald-light);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(11, 93, 75, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--color-emerald);
    border-color: var(--color-emerald);
}

.btn-outline:hover {
    background: var(--color-emerald);
    color: var(--color-cream);
}

.btn-full {
    width: 100%;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hero-stat-number {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--color-emerald);
    line-height: 1.2;
}

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

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-line);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    padding-left: 40px;
}

.hero-image-main {
    border-radius: 2px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(11, 93, 75, 0.12);
}

.hero-image-main img {
    width: 100%;
    height: 680px;
    object-fit: cover;
}

.hero-image-accent {
    position: absolute;
    bottom: -30px;
    left: -50px;
    border-radius: 2px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(11, 93, 75, 0.15);
    border: 4px solid var(--color-cream);
}

.hero-image-accent img {
    width: 280px;
    height: 200px;
    object-fit: cover;
}

.hero-badge {
    position: absolute;
    top: 20px;
    right: -20px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--color-cream);
    padding: 10px 16px;
    border-radius: 2px;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-emerald);
    box-shadow: 0 4px 16px rgba(11, 93, 75, 0.1);
}

.hero-line {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 1px;
    background: var(--color-line);
}

/* ========================================
   Section Shared
   ======================================== */
.section-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 300;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: 20px;
}

.section-title em {
    font-style: italic;
    color: var(--color-emerald);
}

/* ========================================
   Services Section
   ======================================== */
.services {
    padding: 120px 0;
    background: var(--color-cream);
}

.section-header {
    margin-bottom: 64px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.service-card {
    padding: 48px 36px;
    border: 1px solid var(--color-line);
    margin: -0.5px;
    transition: all var(--transition);
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

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

.service-card:hover {
    background: rgba(11, 93, 75, 0.02);
}

.service-icon {
    margin-bottom: 24px;
}

.service-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--color-text-muted);
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 120px 0;
    background: var(--color-cream-dark);
}

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

.about-image-col img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 2px;
}

.about-body {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.about-values {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.about-value {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 0;
    border-top: 1px solid var(--color-line);
}

.about-value-line {
    display: block;
    width: 24px;
    height: 1px;
    background: var(--color-gold);
    flex-shrink: 0;
}

.about-value span {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.5;
}

/* ========================================
   Process Section
   ======================================== */
.process {
    padding: 120px 0;
    background: var(--color-cream);
}

.process-steps {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0;
    margin-bottom: 64px;
}

.process-step {
    flex: 1;
    text-align: center;
    padding: 0 24px;
}

.process-step-number {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 300;
    color: var(--color-emerald);
    opacity: 0.2;
    line-height: 1;
    margin-bottom: 16px;
    display: block;
}

.process-step-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 12px;
}

.process-step-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--color-text-muted);
}

.process-connector {
    flex-shrink: 0;
    width: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 40px;
}

.process-connector::before {
    content: '';
    display: block;
    width: 40px;
    height: 1px;
    background: var(--color-gold);
    position: relative;
}

.process-connector::after {
    content: '';
    position: absolute;
    right: -4px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid var(--color-gold);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

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

/* ========================================
   Testimonial Strip
   ======================================== */
.testimonial-strip {
    padding: 80px 0;
    background: var(--color-emerald);
    text-align: center;
}

.testimonial-quote {
    font-family: var(--font-serif);
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    font-weight: 300;
    font-style: italic;
    color: var(--color-cream);
    max-width: 700px;
    margin: 0 auto 20px;
    line-height: 1.6;
}

.testimonial-attr {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gold);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: 120px 0;
    background: var(--color-cream-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-intro {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 0;
    border-top: 1px solid var(--color-line);
}

.contact-detail-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.contact-detail-value {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.6;
}

.contact-detail-value a {
    color: var(--color-emerald);
    transition: color var(--transition);
}

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

/* Form */
.contact-form {
    background: var(--color-cream);
    padding: 48px;
    border-radius: 2px;
    border: 1px solid var(--color-line);
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 0;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--color-text);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-line);
    outline: none;
    transition: border-color var(--transition);
}

.form-input:focus {
    border-bottom-color: var(--color-emerald);
}

.form-input::placeholder {
    color: #b0b0b0;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding: 16px 20px;
    background: rgba(11, 93, 75, 0.06);
    border-radius: 2px;
    font-size: 0.9rem;
    color: var(--color-emerald);
}

.form-success.show {
    display: flex;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-emerald);
    color: var(--color-cream);
    padding: 72px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr;
    gap: 60px;
    padding-bottom: 56px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-cream);
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 0.88rem;
    line-height: 1.7;
    color: rgba(253, 249, 243, 0.65);
    max-width: 280px;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav a {
    font-size: 0.85rem;
    color: rgba(253, 249, 243, 0.7);
    transition: color var(--transition);
}

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.85rem;
    color: rgba(253, 249, 243, 0.65);
    line-height: 1.7;
}

.footer-contact a {
    color: rgba(253, 249, 243, 0.65);
    transition: color var(--transition);
}

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

.footer-line {
    height: 1px;
    background: rgba(253, 249, 243, 0.12);
}

.footer-bottom {
    padding: 24px 0;
    font-size: 0.78rem;
    color: rgba(253, 249, 243, 0.4);
    letter-spacing: 0.04em;
}

/* ========================================
   Animations
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .hero-grid {
        gap: 40px;
    }

    .hero-visual {
        padding-left: 20px;
    }

    .hero-image-main img {
        height: 520px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        gap: 48px;
    }

    .about-image-col img {
        height: 450px;
    }

    .contact-grid {
        gap: 48px;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-visual {
        padding-left: 0;
        order: -1;
    }

    .hero-image-main img {
        height: 400px;
    }

    .hero-image-accent {
        left: -16px;
        bottom: -16px;
    }

    .hero-image-accent img {
        width: 200px;
        height: 140px;
    }

    .hero-badge {
        right: 0;
    }

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

    .hero-stat-divider {
        display: none;
    }

    .services {
        padding: 80px 0;
    }

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

    .about {
        padding: 80px 0;
    }

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

    .about-image-col img {
        height: 350px;
    }

    .process {
        padding: 80px 0;
    }

    .process-steps {
        flex-direction: column;
        gap: 40px;
    }

    .process-connector {
        display: none;
    }

    .testimonial-strip {
        padding: 60px 0;
    }

    .contact {
        padding: 80px 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .contact-form {
        padding: 32px 24px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .section-title {
        font-size: 1.8rem;
    }
}