/* ============================================
   鼎丰财富 - 金融行业落地页样式
   Design: 高端私人银行会客厅风格
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-primary: #1a3a2a;
    --color-primary-light: #2a5a40;
    --color-gold: #c9a84c;
    --color-gold-light: #d4b965;
    --color-gold-dark: #a88a3a;
    --color-ivory: #faf8f5;
    --color-dark: #0f1f18;
    --color-text: #2d3436;
    --color-text-light: #636e72;
    --color-gray: #f0ede8;
    --color-gray-dark: #d4d0c8;
    --color-white: #ffffff;

    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --ease-out: cubic-bezier(0.25, 0.1, 0.25, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    --shadow-sm: 0 2px 8px rgba(15, 31, 24, 0.06);
    --shadow-md: 0 4px 20px rgba(15, 31, 24, 0.08);
    --shadow-lg: 0 8px 40px rgba(15, 31, 24, 0.12);
    --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.2);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --container-max: 1200px;
    --nav-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-ivory);
    line-height: 1.7;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s var(--ease-out);
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography --- */
.section-tag {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 16px;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.3;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 17px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    text-decoration: none;
    letter-spacing: 0.5px;
}

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

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

.btn-outline {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: all 0.4s var(--ease-out);
}

.nav.scrolled {
    background-color: rgba(15, 31, 24, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-white);
}

.nav-logo-icon {
    color: var(--color-gold);
    font-size: 18px;
}

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

.nav-links a {
    font-size: 14px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s var(--ease-out);
    letter-spacing: 0.3px;
}

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

.nav-cta {
    padding: 8px 20px;
    border: 1px solid var(--color-gold);
    border-radius: var(--radius-sm);
    color: var(--color-gold) !important;
    transition: all 0.3s var(--ease-out) !important;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 1.5px;
    background-color: var(--color-white);
    transition: all 0.3s var(--ease-out);
}

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

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

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(15, 31, 24, 0.7) 0%,
        rgba(15, 31, 24, 0.5) 40%,
        rgba(15, 31, 24, 0.75) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 120px 24px 80px;
}

.hero-tag {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--color-gold);
    margin-bottom: 24px;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(36px, 6vw, 60px);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.25;
    margin-bottom: 24px;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: clamp(15px, 2vw, 18px);
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-family: var(--font-serif);
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1;
}

.hero-stat-suffix {
    font-family: var(--font-serif);
    font-size: clamp(18px, 2vw, 22px);
    color: var(--color-gold);
}

.hero-stat-label {
    display: block;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px;
    letter-spacing: 0.5px;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.15);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
}

.hero-scroll span {
    font-size: 11px;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
}

.hero-scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    animation: scrollLine 2s var(--ease-out) infinite;
}

@keyframes scrollLine {
    0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
}

/* --- Pain Points Section --- */
.pain {
    padding: 100px 0;
    background-color: var(--color-ivory);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.pain-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
}

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

.pain-card-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.pain-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.pain-card:hover .pain-card-image img {
    transform: scale(1.05);
}

.pain-card-icon {
    position: absolute;
    bottom: -20px;
    right: 24px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    border: 2px solid var(--color-gold);
    border-radius: 50%;
    color: var(--color-gold);
    z-index: 1;
}

.pain-card-body {
    padding: 36px 32px 40px;
}

.pain-card-title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.pain-card-desc {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* --- Services Section --- */
.services {
    padding: 100px 0;
    background-color: var(--color-dark);
    color: var(--color-white);
}

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

.services .section-desc {
    color: rgba(255, 255, 255, 0.6);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 80px;
}

.service-card {
    padding: 40px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    transition: all 0.4s var(--ease-out);
}

.service-card:hover {
    background-color: rgba(255, 255, 255, 0.06);
    border-color: var(--color-gold);
    transform: translateY(-4px);
}

.service-card-number {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-gold);
    opacity: 0.4;
    margin-bottom: 16px;
}

.service-card-title {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-white);
}

.service-card-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-card-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-card-list li {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    padding-left: 16px;
    position: relative;
}

.service-card-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 1px;
    background-color: var(--color-gold);
}

/* --- Process --- */
.process {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.process-title {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 48px;
    color: var(--color-white);
}

.process-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 160px;
    max-width: 220px;
}

.process-step-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--color-gold);
    background-color: var(--color-dark);
    margin-bottom: 16px;
    position: relative;
}

.process-step-content h4 {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-white);
}

.process-step-content p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

.process-step-line {
    width: 60px;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-gold), transparent);
    margin-top: 6px;
    flex-shrink: 0;
}

/* --- About Section --- */
.about {
    padding: 100px 0;
    background-color: var(--color-ivory);
}

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

.about-text {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.9;
    margin-bottom: 16px;
}

.about-badges {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.about-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-primary);
}

.about-badge svg {
    color: var(--color-gold);
    flex-shrink: 0;
}

.about-data {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.data-card {
    padding: 32px;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.4s var(--ease-out);
}

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

.data-card-value {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.data-card-value small {
    font-size: 18px;
    color: var(--color-gold);
    margin-left: 2px;
}

.data-card-label {
    font-size: 13px;
    color: var(--color-text-light);
    letter-spacing: 0.5px;
}

/* --- Team Section --- */
.team {
    padding: 100px 0;
    background-color: var(--color-gray);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.team-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
    border: 1px solid var(--color-gray);
}

.team-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.team-card-img {
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.team-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.team-card:hover .team-card-img img {
    transform: scale(1.05);
}

.team-card-info {
    padding: 28px;
}

.team-card-info h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.team-card-role {
    font-size: 13px;
    color: var(--color-gold);
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.team-card-desc {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* --- Testimonials Section --- */
.testimonials {
    padding: 100px 0;
    background-color: var(--color-ivory);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    padding: 40px;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    transition: all 0.4s var(--ease-out);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.testimonial-quote {
    font-family: var(--font-serif);
    font-size: 64px;
    color: var(--color-gold);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: -10px;
}

.testimonial-text {
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-author-line {
    width: 24px;
    height: 1px;
    background-color: var(--color-gold);
}

.testimonial-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
}

.testimonial-title {
    font-size: 13px;
    color: var(--color-text-light);
}

/* --- Security Section --- */
.security {
    padding: 80px 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-gray);
    border-bottom: 1px solid var(--color-gray);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

.security-item {
    text-align: center;
    padding: 24px 16px;
}

.security-item svg {
    color: var(--color-gold);
    margin-bottom: 16px;
}

.security-item h4 {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.security-item p {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.7;
}

.compliance {
    padding: 24px 32px;
    background-color: var(--color-gray);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-gold);
}

.compliance-text {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.8;
}

.compliance-text strong {
    color: var(--color-primary);
}

/* --- Contact Section --- */
.contact {
    padding: 100px 0;
    background-color: var(--color-primary);
    color: var(--color-white);
}

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

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

.contact-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.contact-benefit {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
}

.contact-benefit svg {
    color: var(--color-gold);
    flex-shrink: 0;
}

.contact-phone {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-phone-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 4px;
}

.contact-phone-number {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 4px;
}

.contact-phone-time {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

/* --- Contact Form --- */
.contact-form-wrapper {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-lg);
}

.form-title {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--color-text);
    background-color: var(--color-ivory);
    border: 1px solid var(--color-gray-dark);
    border-radius: var(--radius-sm);
    transition: all 0.3s var(--ease-out);
    outline: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
}

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

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23636e72' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    cursor: pointer;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.form-checkbox input[type="checkbox"] {
    width: auto;
    margin-top: 3px;
    accent-color: var(--color-gold);
}

.form-checkbox label {
    font-size: 13px;
    color: var(--color-text-light);
    margin-bottom: 0;
}

.form-checkbox a {
    color: var(--color-gold-dark);
    text-decoration: underline;
}

.form-error {
    display: block;
    font-size: 12px;
    color: #e74c3c;
    margin-top: 4px;
    min-height: 16px;
}

.form-note {
    font-size: 12px;
    color: var(--color-text-light);
    text-align: center;
    margin-top: 12px;
}

.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success svg {
    color: var(--color-gold);
    margin: 0 auto 20px;
}

.form-success h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.form-success p {
    font-size: 15px;
    color: var(--color-text-light);
}

/* --- Footer --- */
.footer {
    padding: 64px 0 32px;
    background-color: var(--color-dark);
    color: rgba(255, 255, 255, 0.6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 12px;
}

.footer-slogan {
    font-size: 14px;
    color: var(--color-gold);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.7;
}

.footer-links h4 {
    font-family: var(--font-serif);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a,
.footer-links li {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.3s var(--ease-out);
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 8px;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
}

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

.footer-disclaimer {
    font-size: 12px !important;
    line-height: 1.7;
    max-width: 800px;
    margin: 12px auto 0;
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-gold);
    border: 1px solid rgba(201, 168, 76, 0.3);
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s var(--ease-out);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-gold);
    color: var(--color-dark);
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .about-grid {
        gap: 48px;
    }

    .contact-grid {
        gap: 48px;
    }

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

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

@media (max-width: 768px) {
    :root {
        --nav-height: 64px;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(15, 31, 24, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        font-size: 18px;
    }

    .nav-toggle {
        display: flex;
    }

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

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

    .nav-toggle.open span:nth-child(3) {
        transform: rotate(-45deg) translate(4px, -4px);
    }

    .hero-content {
        padding: 100px 24px 60px;
    }

    .hero-stats {
        gap: 24px;
    }

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

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

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

    .process-steps {
        flex-direction: column;
        align-items: center;
    }

    .process-step-line {
        width: 1px;
        height: 24px;
        margin: 0;
        background: linear-gradient(to bottom, transparent, var(--color-gold), transparent);
    }

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

    .team-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

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

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

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

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

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

    .section-header {
        margin-bottom: 48px;
    }

    .pain, .services, .about, .team, .testimonials, .contact {
        padding: 72px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    .about-data {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .data-card {
        padding: 24px 16px;
    }

    .data-card-value {
        font-size: 28px;
    }
}