/* ================================
   冯源资本 - 静态网站样式
   ================================ */

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

:root {
    --color-primary: #d4760a;
    --color-primary-light: #e89240;
    --color-primary-dark: #b5630a;
    --color-dark: #0d0d0d;
    --color-dark-2: #1a1a1a;
    --color-dark-3: #252525;
    --color-dark-4: #333;
    --color-light: #f8f8f8;
    --color-gray: #888;
    --color-gray-light: #ccc;
    --color-white: #fff;
    --color-text: #2a2a2a;
    --color-text-light: rgba(255,255,255,0.85);
    --color-text-muted: rgba(255,255,255,0.5);
    --color-border: rgba(255,255,255,0.1);
    --color-overlay: rgba(0,0,0,0.55);
    --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --font-serif: "Georgia", "Songti SC", serif;
    --nav-height: 72px;
    --container-max: 1200px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.2);
}

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

body {
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-white);
    overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Navigation ===== */
.nav-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition);
}

.nav-wrapper.scrolled {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--color-border);
}

.nav-wrapper.scrolled .nav-logo-text { color: #fff; }
.nav-wrapper.scrolled .nav-menu a { color: rgba(255,255,255,0.85); }
.nav-wrapper.scrolled .nav-menu a:hover { color: var(--color-primary-light); }
.nav-wrapper.scrolled .nav-menu a.active { color: var(--color-primary-light); }

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.nav-logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 6px;
    color: #fff;
    font-weight: 700;
    font-size: 20px;
    letter-spacing: -1px;
}

.nav-logo-text {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 2px;
    transition: color var(--transition);
}

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

.nav-menu a {
    font-size: 15px;
    color: rgba(255,255,255,0.85);
    position: relative;
    padding: 6px 0;
    transition: color var(--transition);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-primary-light);
    transition: all var(--transition);
    transform: translateX(-50%);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a.active {
    color: var(--color-primary-light);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: #fff;
    transition: all var(--transition);
    border-radius: 2px;
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Hero Section ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-dark);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1208 40%, #0d0d0d 100%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(212, 118, 10, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(212, 118, 10, 0.08) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(212, 118, 10, 0.4);
    border-radius: 50%;
    animation: floatUp linear infinite;
}

@keyframes floatUp {
    0% { transform: translateY(100vh) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100px) translateX(50px); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 0 24px;
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 8px;
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeInUp 1s 0.3s forwards;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    letter-spacing: 4px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 1s 0.6s forwards;
}

.hero-quote {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--color-primary-light);
    font-style: italic;
    opacity: 0;
    animation: fadeInUp 1s 0.9s forwards;
    max-width: 600px;
    margin: 0 auto;
    line-height: 2;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: rgba(255,255,255,0.5);
    font-size: 13px;
    letter-spacing: 2px;
    text-align: center;
    cursor: pointer;
    opacity: 0;
    animation: fadeInUp 1s 1.2s forwards;
}

.hero-scroll i {
    display: block;
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.3);
    margin: 12px auto 0;
    position: relative;
    overflow: hidden;
}

.hero-scroll i::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--color-primary-light);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Section Common ===== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-dark {
    background: var(--color-dark);
    color: #fff;
}

.section-gray {
    background: #f5f5f5;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 600;
    letter-spacing: 3px;
    margin-bottom: 16px;
}

.section-dark .section-title { color: #fff; }

.section-subtitle {
    font-size: 1rem;
    color: var(--color-gray);
    letter-spacing: 1px;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: var(--color-primary);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* ===== Intro Section ===== */
.intro-section {
    background: linear-gradient(135deg, #0d0d0d 0%, #1a1208 100%);
    color: #fff;
    text-align: center;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.intro-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(212, 118, 10, 0.1) 0%, transparent 60%);
}

.intro-quote {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    line-height: 2.2;
    max-width: 700px;
    margin: 0 auto 40px;
    position: relative;
    z-index: 1;
}

.intro-quote-source {
    color: var(--color-gray);
    font-size: 0.95rem;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.intro-desc {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 2;
    color: rgba(255,255,255,0.8);
    position: relative;
    z-index: 1;
}

.intro-desc strong {
    color: var(--color-primary-light);
    font-weight: 500;
}

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

.stat-item {
    text-align: center;
    padding: 40px 20px;
    background: var(--color-dark-2);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.stat-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-primary-light);
    line-height: 1;
    margin-bottom: 12px;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    letter-spacing: 2px;
}

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(135deg, #1a1208 0%, #0d0d0d 100%);
    text-align: center;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(212, 118, 10, 0.12) 0%, transparent 60%);
}

.cta-title {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.cta-text {
    color: rgba(255,255,255,0.6);
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.cta-text a {
    color: var(--color-primary-light);
    border-bottom: 1px solid var(--color-primary-light);
}

.btn {
    display: inline-block;
    padding: 14px 40px;
    font-size: 14px;
    letter-spacing: 3px;
    text-transform: uppercase;
    border: 2px solid var(--color-primary);
    color: #fff;
    background: transparent;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    transition: left var(--transition);
    z-index: -1;
}

.btn:hover::before { left: 0; }
.btn:hover { border-color: var(--color-primary); }

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

.btn-primary::before { background: var(--color-primary-dark); }
.btn-primary:hover::before { left: 0; }

/* ===== Portfolio / Partner Page ===== */
.page-hero {
    height: 320px;
    background: linear-gradient(135deg, #0d0d0d 0%, #1a1208 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--nav-height);
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(212, 118, 10, 0.12) 0%, transparent 60%);
}

.page-hero-content {
    text-align: center;
    z-index: 1;
    color: #fff;
}

.page-hero h1 {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: 6px;
    margin-bottom: 12px;
}

.page-hero-subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 1px;
    margin-bottom: 16px;
    line-height: 1.8;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.breadcrumb {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    letter-spacing: 1px;
}

.breadcrumb a:hover { color: var(--color-primary-light); }

/* Filter Tabs */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
}

.filter-tab {
    padding: 8px 24px;
    font-size: 14px;
    border: 1px solid #e0e0e0;
    border-radius: 30px;
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.filter-tab:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* Company Grid */
.company-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.company-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    min-height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

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

.company-logo-placeholder {
    width: 100px;
    height: 60px;
    border-radius: 6px;
    background: #fff;
    border: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    overflow: hidden;
    transition: all var(--transition);
}

.company-logo-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
    transition: transform 0.3s ease;
}

.company-logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
}

.company-card:hover .company-logo-placeholder {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(212, 118, 10, 0.15);
}

.company-card:hover .company-logo-img {
    transform: scale(1.08);
}

.company-logo-placeholder.no-img {
    background: linear-gradient(135deg, #f0f0f0, #e8e8e8);
}

.company-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
}

.company-category {
    font-size: 12px;
    color: var(--color-gray);
    margin-top: 4px;
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-box {
    background: #fff;
    border-radius: 12px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 50px 40px;
    text-align: center;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s;
}

.modal-overlay.active .modal-box { transform: scale(1); }

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: #f0f0f0;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    color: #666;
}

.modal-close:hover {
    background: var(--color-primary);
    color: #fff;
    transform: rotate(90deg);
}

.modal-logo {
    width: 120px;
    height: 80px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    overflow: hidden;
}

.modal-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.modal-logo:empty::before,
.modal-logo:not(:has(img)) {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.modal-category {
    font-size: 0.85rem;
    color: var(--color-primary);
    margin-bottom: 24px;
    letter-spacing: 1px;
}

.modal-desc {
    text-align: justify;
    font-size: 14px;
    line-height: 1.9;
    color: #555;
}

/* ===== Contact Page ===== */
.contact-section {
    background: #0d0d0d;
    color: #fff;
    min-height: calc(100vh - var(--nav-height));
    padding-top: var(--nav-height);
}

.contact-banner {
    height: 280px;
    background: linear-gradient(135deg, #1a1208 0%, #0d0d0d 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.contact-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(212, 118, 10, 0.15) 0%, transparent 60%);
}

.contact-tabs {
    display: flex;
    justify-content: center;
    gap: 0;
    margin: 40px 0;
}

.contact-tab {
    padding: 14px 48px;
    font-size: 15px;
    letter-spacing: 2px;
    cursor: pointer;
    border: 1px solid var(--color-border);
    background: transparent;
    color: rgba(255,255,255,0.6);
    transition: all var(--transition);
}

.contact-tab:first-child { border-radius: 6px 0 0 6px; }
.contact-tab:last-child { border-radius: 0 6px 6px 0; border-left: none; }

.contact-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.contact-info {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

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

.contact-info-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--color-dark-3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.contact-info-label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.contact-info-value {
    font-size: 1rem;
    color: rgba(255,255,255,0.9);
}

.contact-info-value a:hover { color: var(--color-primary-light); }

/* Join Us */
.join-content {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px;
}

.join-content p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 16px;
    line-height: 2;
}

.join-requirements {
    list-style: none;
    padding: 0;
}

.join-requirements li {
    padding: 12px 0;
    padding-left: 28px;
    position: relative;
    color: rgba(255,255,255,0.8);
    border-bottom: 1px solid var(--color-border);
}

.join-requirements li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-primary-light);
}

.join-cta {
    margin-top: 30px;
    padding: 20px;
    background: var(--color-dark-3);
    border-radius: 8px;
    border-left: 3px solid var(--color-primary);
    text-align: center;
}

.join-cta p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 12px;
}

.join-cta a {
    color: var(--color-primary-light);
    font-size: 1.1rem;
    font-weight: 500;
}

/* ===== Footer ===== */
.footer {
    background: #0d0d0d;
    color: rgba(255,255,255,0.6);
    padding: 50px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-brand .nav-logo-text { color: #fff; }

.footer-info {
    font-size: 13px;
    line-height: 2;
}

.footer-info a:hover { color: var(--color-primary-light); }

.footer-links h4 {
    color: rgba(255,255,255,0.9);
    font-size: 14px;
    margin-bottom: 16px;
    font-weight: 500;
}

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

.footer-links a {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    transition: color var(--transition);
}

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

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

.footer-wechat .qr-placeholder {
    width: 100px;
    height: 100px;
    background: var(--color-dark-3);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 8px;
    font-size: 11px;
    color: rgba(255,255,255,0.4);
    border: 1px solid var(--color-border);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    font-size: 12px;
    color: rgba(255,255,255,0.4);
}

/* ===== Mobile Menu ===== */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: rgba(13, 13, 13, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
    opacity: 0;
    transition: opacity 0.3s;
}

.mobile-menu.open {
    display: flex;
    opacity: 1;
}

.mobile-menu a {
    font-size: 1.5rem;
    color: #fff;
    letter-spacing: 4px;
    transition: color var(--transition);
}

.mobile-menu a:hover { color: var(--color-primary-light); }

/* ===== WeChat QR Tooltip ===== */
.wechat-link {
    position: relative;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

.wechat-link:hover { color: var(--color-primary-light); }

.wechat-qr {
    position: absolute;
    bottom: 100%;
    right: 0;
    width: 120px;
    height: 120px;
    background: #fff;
    border-radius: 8px;
    margin-bottom: 12px;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: #666;
    box-shadow: var(--shadow-md);
}

.wechat-qr::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 20px;
    border: 8px solid transparent;
    border-top-color: #fff;
}

.wechat-link:hover .wechat-qr { display: flex; }

/* ===== Scroll to top ===== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 900;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
    font-size: 20px;
}

.scroll-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s, transform 0.8s;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .company-grid { grid-template-columns: repeat(3, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-title { font-size: 2.8rem; }
}

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

    .hero-title { font-size: 2rem; letter-spacing: 4px; }
    .hero-subtitle { font-size: 1rem; letter-spacing: 2px; }
    .hero-quote { font-size: 0.85rem; }

    .section { padding: 60px 0; }
    .section-title { font-size: 1.6rem; }
    .intro-quote { font-size: 1.2rem; }
    .intro-desc { font-size: 0.95rem; }

    .company-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

    .footer-grid { grid-template-columns: 1fr; gap: 30px; }

    .modal-box { padding: 30px 20px; }

    .page-hero h1 { font-size: 1.8rem; letter-spacing: 3px; }

    .contact-tabs { flex-direction: column; gap: 12px; }
    .contact-tab { border-radius: 6px !important; border: 1px solid var(--color-border) !important; }

    .contact-info, .join-content { padding: 20px; }
}

@media (max-width: 480px) {
    .company-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 1.6rem; }
    .container { padding: 0 16px; }
}