/* Global Design System for IstateBank */
:root {
    --primary-background: #ffffff;
    --primary-text: #1a1a1a;
    --secondary-background: #f8f9fa;
    --secondary-text: #4b5563;
    --accent-background: #0a192f;
    --accent-text: #ffffff;
    --brand-color: #c5a059;
    --font-headings: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --h1-size: calc(1.5rem + 2.5vw);
    --h2-size: calc(1.3rem + 1.5vw);
    --h3-size: 1.75rem;
    --body-size: 1rem;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--body-size);
    color: var(--primary-text);
    background-color: var(--primary-background);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-headings);
    font-weight: 700;
    line-height: 1.2;
    margin-top: 0;
    margin-bottom: 1.5rem;
}

h1 {
    font-size: var(--h1-size);
}

h2 {
    font-size: var(--h2-size);
}

h3 {
    font-size: var(--h3-size);
}

a,
a:hover,
a:focus {
    text-decoration: none;
    transition: color 0.3s ease, background-color 0.3s ease;
}

a {
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    transition: all 0.3s ease;
}

button:focus {
    outline: 2px solid var(--brand-color);
}

ul,
ol {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

input,
textarea,
select {
    font-family: inherit;
    font-size: 1rem;
}

/* Mobile-first adjustments */
@media (max-width: 768px) {
    :root {
        --h1-size: calc(1.8rem + 1.5vw);
        --h2-size: calc(1.5rem + 1vw);
        --body-size: 0.9375rem;
    }

    h1,
    h2,
    h3 {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .mobile-text-sm {
        font-size: 0.875rem;
    }
}

@media (max-width: 640px) {
    h1 {
        font-size: calc(1.6rem + 1vw);
    }
}

/* Accessibility and Utility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ===== header_section ===== */
.header-block {
    background-color: var(--primary-background);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    width: 100%;
    position: relative;
    z-index: 1000;
}

.brand-name {
    color: var(--primary-text);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 0;
    line-height: 1;
    white-space: nowrap;
}

.nav-link-item {
    color: var(--secondary-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s;
    white-space: nowrap;
}

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

.cta-btn {
    background-color: var(--accent-background);
    color: var(--accent-text);
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: 1px solid var(--accent-background);
    white-space: nowrap;
}

.cta-btn:hover {
    background-color: transparent;
    color: var(--accent-background);
}

.mobile-toggle {
    background: none;
    border: none;
    color: var(--primary-text);
    font-size: 1.5rem;
    padding: 0.5rem;
    cursor: pointer;
    transition: color 0.3s;
}

.mobile-toggle:hover {
    color: var(--brand-color);
}

.mobile-menu-dropdown {
    display: none;
    background-color: var(--primary-background);
    width: 100%;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.mobile-menu-dropdown.open {
    display: block;
}

.mobile-nav-link {
    display: block;
    padding: 1rem 0;
    color: var(--primary-text);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: color 0.3s;
}

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

.mobile-nav-link:last-child {
    border-bottom: none;
}

.cta-mobile {
    color: var(--brand-color) !important;
    font-weight: 700;
}

/* ===== hero_section ===== */
.hero-section {
    background-image: url("images/content/private-banking-hero_4.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 100%;
    padding: 100px 0;
}

.overlay {
    background-color: var(--accent-background);
    opacity: 0.75;
    z-index: 1;
}

.hero-title {
    color: var(--accent-text) !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-desc {
    color: var(--accent-text) !important;
    opacity: 0.95;
    line-height: 1.8;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.custom-cta-btn {
    background-color: var(--brand-color);
    color: var(--accent-text) !important;
    border: none;
    transition: all 0.3s ease-in-out;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.custom-cta-btn:hover {
    background-color: #b08d4a;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    color: var(--accent-text) !important;
}

/* ===== about_section ===== */
.about-section .js-animate.animate-in {
    opacity: 1 !important;
    transform: translate(0) scale(1) !important;
}

.about-section .shadow-sm {
    transition: transform 0.3s ease;
}

.about-section .shadow-sm:hover {
    transform: translateY(-5px);
}

/* ===== services_section ===== */
#services {
    background-color: var(--secondary-background);
}

#services .service-card {
    background-color: var(--primary-background);
    border: 1px solid #e5e7eb;
    padding: 40px;
    border-radius: 4px;
    height: 100%;
    transition: all 0.3s ease;
}

#services .service-icon {
    color: var(--brand-color) !important;
    font-size: 2.5rem;
    margin-bottom: 25px;
    display: block;
}

#services .service-label {
    color: var(--brand-color) !important;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 10px;
    display: block;
}

#services .service-title {
    color: var(--primary-text) !important;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
}

#services .service-text {
    color: var(--secondary-text) !important;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

#services .section-heading {
    color: var(--primary-text) !important;
    font-weight: 800;
    font-size: 2.5rem;
}

#services .section-subheading {
    color: var(--secondary-text) !important;
}

/* ===== steps_section ===== */
.steps-section {
    overflow: hidden;
    position: relative;
}

.js-step-item {
    transition: transform 0.3s ease-in-out;
}

.js-step-item:hover {
    transform: translateY(-10px);
}

.step-card-inner {
    border-top: 4px solid var(--brand-color);
}

/* ===== advantages_section ===== */
#advantages {
    width: 100%;
}

.js-advantage-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.js-advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.1) !important;
}

/* ===== audience_section ===== */
#audience {
    width: 100%;
    background-color: var(--secondary-background);
}

#audience .segment-card {
    transition: transform 0.3s ease;
}

#audience .segment-card:hover {
    transform: translateY(-5px);
}

.js-animate {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ===== pricing_section ===== */
#pricing .js-pricing-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#pricing .js-pricing-card:hover {
    transform: translateY(-10px);
}

#pricing .js-select-plan {
    transition: opacity 0.2s ease;
    border: none;
}

#pricing .js-select-plan:hover {
    opacity: 0.9;
    text-decoration: none;
}

/* ===== cases_section ===== */
#cases .case-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#cases .case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1) !important;
}

#cases img {
    transition: filter 0.3s ease;
}

#cases img:hover {
    filter: brightness(1.05);
}

/* ===== faq_section ===== */
#faq {
    background-color: var(--primary-background);
    padding: 100px 0;
    width: 100%
}

.faq-header {
    margin-bottom: 60px;
    width: 100%
}

.faq-title {
    color: var(--primary-text) !important;
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 15px;
    width: 100%
}

.faq-subtitle {
    color: var(--secondary-text) !important;
    font-size: 1.1rem;
    width: 100%
}

.accordion {
    width: 100%
}

.accordion-item {
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    margin-bottom: 15px;
    border-radius: 12px !important;
    overflow: hidden;
    width: 100%;
    background: transparent
}

.accordion-button {
    background-color: var(--secondary-background) !important;
    color: var(--primary-text) !important;
    font-weight: 600;
    padding: 22px 25px;
    border: none !important;
    box-shadow: none !important;
    transition: all .3s ease
}

.accordion-button:not(.collapsed) {
    background-color: var(--accent-background) !important;
    color: var(--accent-text) !important
}

.accordion-button:not(.collapsed) .text-primary-text {
    color: var(--accent-text) !important
}

.accordion-button::after {
    filter: brightness(0);
    transition: transform .3s ease
}

.accordion-button:not(.collapsed)::after {
    filter: brightness(0) invert(1)
}

.faq-icon-box {
    color: var(--brand-color);
    margin-right: 15px;
    font-size: 1.2rem
}

.accordion-body {
    background-color: var(--primary-background) !important;
    color: var(--secondary-text) !important;
    padding: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    line-height: 1.7
}

.text-primary-text {
    color: var(--primary-text) !important
}

.text-secondary-text {
    color: var(--secondary-text) !important
}

/* ===== contact_section ===== */
#contact {
    background-color: var(--secondary-background);
}

.contact-form-card {
    background-color: var(--primary-background);
    border-radius: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
    width: 100%;
}

.btn-submit-contact {
    background-color: var(--brand-color);
    color: var(--accent-text);
    border: none;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    width: 100%;
}

.btn-submit-contact:hover {
    background-color: var(--accent-background);
    color: var(--accent-text);
    transform: translateY(-2px);
}

.contact-icon-box {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--secondary-background);
    border-radius: 50%;
    font-size: 1.25rem;
}

.form-control {
    border-radius: 0.5rem;
    color: var(--primary-text) !important;
}

.form-floating>label {
    color: var(--secondary-text) !important;
}

/* ===== cta_final_section ===== */
#cta_final {
    background-image: url("images/content/financial-consultation-background_4.jpg");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 500px;
    display: flex;
    align-items: center;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 25, 47, 0.85);
    z-index: 1;
}

.cta-container {
    position: relative;
    z-index: 2;
}

.js-share-btn:hover {
    background-color: var(--brand-color) !important;
    color: var(--accent-text) !important;
}

.js-share-btn:hover i {
    color: var(--accent-text) !important;
}

.btn {
    transition: all 0.3s ease;
    border-radius: 0;
}

/* ===== footer_section ===== */
#footer {
    width: 100%;
}

.footer-nav-link {
    transition: color 0.3s ease;
    font-weight: 500;
}

.footer-nav-link:hover {
    color: var(--brand-color) !important;
}

.policy-link {
    text-decoration: none;
    transition: color 0.3s ease;
    opacity: 0.7;
}

.policy-link:hover {
    color: var(--brand-color) !important;
    opacity: 1;
}

.copyright-text {
    opacity: 0.7;
}

#about, #services, #steps, #advantages, #audience, #pricing, #cases, #faq, #contact{
    overflow: hidden !important;
}