/* ============================================
   G.B. INVEST - Modern Investment Website
   Cutting-edge CSS with animations & effects
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Colors */
    --primary: #35bdac;
    --primary-dark: #1a8a7d;
    --primary-light: #4fd4c4;
    --accent: #c9a962;
    --dark: #0a1628;
    --dark-light: #121f36;
    --dark-medium: #1a2942;
    --text: #e8edf5;
    --text-muted: #8a9bb5;
    --white: #ffffff;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --section-padding: clamp(80px, 10vw, 140px);
    --container-padding: clamp(20px, 5vw, 80px);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(53, 189, 172, 0.3);
}

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

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

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

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 20px rgba(53, 189, 172, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(53, 189, 172, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

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

.btn-full {
    width: 100%;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition-medium);
}

.logo:hover .logo-text {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    transform: scale(1.02);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: 30px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 20px;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--white);
    position: relative;
    transition: var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--white);
    transition: var(--transition-fast);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

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

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(135deg, #1a3a4a 0%, #0a1628 50%, #0d2818 100%);
}

.hero-image {
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    object-position: center center;
    opacity: 0.7;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

@keyframes heroZoom {
    0% { transform: scale(1.1); }
    100% { transform: scale(1.2); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(10, 22, 40, 0.5) 0%,
        rgba(10, 22, 40, 0.7) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(53, 189, 172, 0.15);
    border: 1px solid rgba(53, 189, 172, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 30px;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.title-line {
    display: block;
}

.title-line.highlight {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--accent);
    margin-bottom: 15px;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
    animation: fadeInUp 1s ease-out 0.5s backwards;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeInUp 1s ease-out 0.7s backwards;
}

.stat {
    text-align: center;
}

.stat-number,
.stat-text {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 5px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section-header {
    margin-bottom: 60px;
}

.section-header.center {
    text-align: center;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary);
    margin-bottom: 15px;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--white);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--section-padding) 0;
    background: var(--dark);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

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

.about-content p {
    margin-bottom: 20px;
    color: var(--text-muted);
}

.about-content p:first-child {
    font-size: 1.25rem;
    color: var(--text);
    line-height: 1.8;
}

.about-content strong {
    color: var(--primary);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-card {
    padding: 30px;
    background: var(--dark-light);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-medium);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(53, 189, 172, 0.3);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(53, 189, 172, 0.1);
    border-radius: 12px;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary);
}

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: var(--section-padding) 0;
    background: var(--dark-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    padding: 50px 40px;
    background: var(--dark);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-medium);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

.service-number {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: rgba(53, 189, 172, 0.1);
    position: absolute;
    top: 20px;
    right: 30px;
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 15px;
}

.service-card > p {
    color: var(--text-muted);
    margin-bottom: 25px;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
}

/* ============================================
   PHILOSOPHY SECTION
   ============================================ */
.philosophy {
    padding: var(--section-padding) 0;
    background: var(--dark);
}

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

.philosophy-lead {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: 40px;
    line-height: 1.8;
}

.philosophy-points {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.philosophy-point {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.point-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(53, 189, 172, 0.1);
    border-radius: 10px;
    flex-shrink: 0;
}

.point-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--primary);
}

.point-content h4 {
    font-size: 1.1rem;
    color: var(--white);
    margin-bottom: 5px;
}

.point-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.philosophy-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-card {
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-circle {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(53, 189, 172, 0.2);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

.visual-circle::before,
.visual-circle::after {
    content: '';
    position: absolute;
    inset: 20px;
    border: 2px solid rgba(53, 189, 172, 0.3);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite 0.5s;
}

.visual-circle::after {
    inset: 40px;
    border-color: rgba(53, 189, 172, 0.4);
    animation-delay: 1s;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.05); opacity: 1; }
}

.visual-content {
    text-align: center;
    z-index: 1;
}

.visual-label {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 10px;
}

.visual-text {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--white);
    max-width: 200px;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--section-padding) 0;
    background: var(--dark-light);
}

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

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(53, 189, 172, 0.1);
    border-radius: 12px;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary);
}

.contact-text h4 {
    font-size: 1rem;
    color: var(--white);
    margin-bottom: 5px;
}

.contact-text p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

.contact-form-wrapper {
    background: var(--dark);
    padding: 50px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 18px 20px;
    background: var(--dark-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(53, 189, 172, 0.1);
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 18px;
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
    transition: var(--transition-fast);
    background: var(--dark-light);
    padding: 0 5px;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 15px;
    font-size: 0.8rem;
    color: var(--primary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 80px 0 40px;
    background: var(--dark);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    color: var(--white);
    margin-bottom: 25px;
    font-family: var(--font-primary);
    font-weight: 600;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

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

.footer-contact p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.footer-disclaimer {
    font-size: 0.8rem;
    color: var(--primary);
}

/* ============================================
   ANIMATIONS & EFFECTS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Glassmorphism effect for cards */
.glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .service-card:last-child {
        grid-column: span 2;
        max-width: 50%;
        justify-self: center;
    }
}

@media (max-width: 992px) {
    .about-grid,
    .philosophy-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

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

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--dark-light);
        flex-direction: column;
        padding: 100px 40px 40px;
        transition: var(--transition-medium);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-toggle {
        display: block;
        z-index: 1001;
    }

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

    .service-card:last-child {
        grid-column: auto;
        max-width: 100%;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-number,
    .stat-text {
        font-size: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-brand .logo {
        justify-content: center;
    }

    .contact-form-wrapper {
        padding: 30px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        gap: 15px;
    }

    .btn {
        width: 100%;
    }

    .hero-stats {
        flex-direction: column;
        gap: 25px;
    }

    .visual-card {
        max-width: 280px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: 2rem; }

/* Selection styling */
::selection {
    background: var(--primary);
    color: var(--white);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark);
}

::-webkit-scrollbar-thumb {
    background: var(--dark-medium);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}