/* ===== BASE STYLES WITH DARK MODE SUPPORT ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: #fbfdfe;
    color: #1f2a38;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Dark Mode Variables */
body.dark-mode {
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-tertiary: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #8a8a8a;
    --accent-primary: #4a9eff;
    --accent-secondary: #6ab0f5;
    --card-bg: #2d2d2d;
    --border-color: #404040;
    --shadow-color: rgba(0, 0, 0, 0.3);
    
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

body:not(.dark-mode) {
    --bg-primary: #fbfdfe;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f6fb;
    --text-primary: #1f2a38;
    --text-secondary: #2b445e;
    --text-muted: #3a536b;
    --accent-primary: #1f6eb0;
    --accent-secondary: #256fb3;
    --card-bg: #ffffff;
    --border-color: rgba(0,0,0,0.05);
    --shadow-color: rgba(0, 30, 60, 0.1);
}

/* ===== ANIMATIONS ===== */
@keyframes gv-fade-up {
    to { opacity: 1; transform: translateY(0); }
}

@keyframes gv-slow-zoom {
    0% { transform: scale(1.02); }
    100% { transform: scale(1.1); }
}

@keyframes gv-float-up {
    0% { opacity: 0; transform: translateY(30px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes gv-soft-bounce {
    0% { transform: translateY(0); }
    100% { transform: translateY(-8px); }
}

@keyframes gv-glow {
    0% { box-shadow: 0 0 0 0 rgba(74, 158, 255, 0.3); }
    70% { box-shadow: 0 0 0 10px rgba(74, 158, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(74, 158, 255, 0); }
}

/* ===== SECTION STYLES ===== */
.gv-section {
    opacity: 0;
    transform: translateY(28px);
    animation: gv-fade-up 0.8s cubic-bezier(0.2, 0.9, 0.3, 1) forwards;
}

.gv-hero-section { animation-delay: 0.1s; }
.gv-about-section { animation-delay: 0.2s; }
.gv-why-section { animation-delay: 0.3s; }
.gv-trusted-section { animation-delay: 0.4s; }
.gv-faq-section { animation-delay: 0.5s; }

/* ===== HERO SECTION ===== */
.gv-hero-section {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
    background-color: #0e1a27;
}

.gv-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    filter: brightness(0.45) saturate(1.2);
    animation: gv-slow-zoom 16s infinite alternate ease-in-out;
}

.gv-hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 30% 40%, rgba(10, 35, 60, 0.4) 0%, rgba(0, 20, 40, 0.8) 100%);
    z-index: 1;
}

.gv-hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 24px;
}

.gv-hero-content h1 {
    font-size: clamp(2.8rem, 10vw, 5.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    text-shadow: 0 4px 30px rgba(0,0,0,0.5);
    animation: gv-float-up 1s ease-out;
}

.gv-hero-content .gv-tagline {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    margin: 1.5rem 0 2.5rem;
    font-weight: 300;
    opacity: 0.95;
    text-shadow: 0 2px 20px rgba(0,0,0,0.5);
    animation: gv-float-up 1s 0.1s both;
}

.gv-hero-highlight {
    color: #b8dcff;
    font-weight: 600;
    text-shadow: 0 0 20px rgba(74, 158, 255, 0.5);
}

.gv-btn-group {
    display: flex;
    gap: 1.2rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: gv-float-up 1s 0.2s both;
}

.gv-btn {
    padding: 1rem 2.8rem;
    border-radius: 60px;
    font-weight: 600;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
    color: #0e2a41;
    box-shadow: 0 8px 25px rgba(0, 30, 60, 0.3);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.gv-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: left 0.5s ease;
}

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

.gv-btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.8);
    backdrop-filter: blur(8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.gv-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 35px rgba(0, 40, 70, 0.4);
}

.gv-btn-outline:hover {
    background: white;
    color: #0b1e30;
    border-color: white;
}

/* ===== CONTAINER ===== */
.gv-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

/* ===== SECTION HEADERS ===== */
.gv-section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.gv-section-header h2 {
    font-size: clamp(2.2rem, 5vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

.gv-section-header h2:after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 4px;
}

.gv-section-header p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 1.5rem auto 0;
}

/* ===== ABOUT SECTION ===== */
.gv-about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.gv-about-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.gv-about-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.gv-feature-list {
    list-style: none;
    margin-top: 2rem;
    padding: 0;
}

.gv-feature-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
    transition: transform 0.3s ease;
}

.gv-feature-list li:hover {
    transform: translateX(8px);
}

.gv-feature-list i {
    color: var(--accent-primary);
    font-size: 1.4rem;
    width: 30px;
}

.gv-about-image {
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 30px 40px -20px var(--shadow-color);
    transition: all 0.5s ease;
    animation: gv-soft-bounce 6s infinite alternate;
}

.gv-about-image:hover {
    transform: scale(1.02);
    box-shadow: 0 40px 50px -20px var(--accent-primary);
}

.gv-about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.7s ease;
}

.gv-about-image:hover img {
    transform: scale(1.04);
}

/* ===== WHY CHOOSE US ===== */
.gv-why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.gv-why-card {
    background: var(--card-bg);
    border-radius: 32px;
    padding: 2.4rem 1.8rem;
    box-shadow: 0 18px 35px -12px var(--shadow-color);
    transition: all 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.gv-why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.gv-why-card:hover {
    transform: translateY(-16px) scale(1.02);
    box-shadow: 0 30px 50px -18px var(--accent-primary);
    border-color: var(--accent-primary);
}

.gv-why-icon {
    font-size: 2.8rem;
    color: var(--accent-primary);
    margin-bottom: 1.8rem;
    background: var(--bg-tertiary);
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 30px;
    display: inline-block;
    text-align: center;
    box-shadow: 0 8px 20px var(--shadow-color);
    transition: all 0.3s ease;
}

.gv-why-card:hover .gv-why-icon {
    transform: rotate(360deg);
    background: var(--accent-primary);
    color: white;
}

.gv-why-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.gv-why-card p {
    color: var(--text-secondary);
}

.gv-card-img-small {
    width: 100%;
    border-radius: 20px;
    margin: 1.5rem 0 0.5rem;
    opacity: 0.9;
    transition: all 0.4s ease;
    box-shadow: 0 8px 20px var(--shadow-color);
    border: 2px solid transparent;
}

.gv-why-card:hover .gv-card-img-small {
    opacity: 1;
    transform: scale(1.05);
    border-color: var(--accent-primary);
}

/* ===== TRUSTED BY ===== */
.gv-trusted-section {
    background: var(--bg-tertiary);
    border-radius: 80px 80px 0 0;
    margin-top: 2rem;
}

.gv-logo-strip {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 3.5rem 4rem;
    margin: 3rem 0 3.5rem;
}

.gv-logo-item {
    flex: 0 1 auto;
    filter: grayscale(0.6) opacity(0.7);
    transition: all 0.3s ease;
    font-size: 1.8rem;
    font-weight: 500;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    cursor: pointer;
}

.gv-logo-item i {
    font-size: 2.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.2rem;
    transition: all 0.3s ease;
}

.gv-logo-item span {
    font-size: 1.2rem;
}

.gv-logo-item:hover {
    filter: grayscale(0) opacity(1);
    transform: scale(1.15);
    color: var(--accent-primary);
}

.gv-logo-item:hover i {
    color: var(--accent-primary);
    transform: rotate(360deg);
}

.gv-trusted-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-top: 4rem;
}

.gv-trusted-grid img {
    width: 100%;
    border-radius: 32px;
    box-shadow: 0 25px 35px -12px var(--shadow-color);
    transition: all 0.5s ease;
    border: 3px solid transparent;
}

.gv-trusted-grid img:hover {
    transform: scale(1.02) rotate(1deg);
    border-color: var(--accent-primary);
    box-shadow: 0 30px 45px -12px var(--accent-primary);
}

.gv-trusted-quote {
    background: var(--card-bg);
    padding: 2.5rem 3rem;
    border-radius: 40px;
    font-size: 1.3rem;
    font-style: italic;
    color: var(--text-primary);
    box-shadow: 0 10px 30px var(--shadow-color);
    position: relative;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.gv-trusted-quote:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.gv-trusted-quote i {
    color: var(--accent-primary);
    font-size: 2.5rem;
    opacity: 0.2;
    position: absolute;
    bottom: 20px; right: 30px;
}

.gv-quote-author {
    margin-top: 2rem;
    font-weight: 600;
    color: var(--accent-primary);
}

/* ===== FAQ SECTION ===== */
.gv-faq-section {
    background: var(--bg-primary);
    padding: 5rem 0;
}

.gv-faq-grid {
    max-width: 900px;
    margin: 0 auto;
}

.gv-faq-item {
    background: var(--card-bg);
    border-radius: 24px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px var(--shadow-color);
}

.gv-faq-item:hover {
    box-shadow: 0 8px 25px var(--shadow-color);
    border-color: var(--accent-primary);
}

.gv-faq-question {
    padding: 1.8rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    transition: all 0.3s ease;
    border-radius: 24px;
}

.gv-faq-question:hover {
    background: var(--bg-tertiary);
}

.gv-faq-question h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    padding-right: 1rem;
}

.gv-faq-question i {
    font-size: 1.5rem;
    color: var(--accent-primary);
    transition: all 0.3s ease;
}

.gv-faq-question.active i {
    transform: rotate(45deg);
}

.gv-faq-answer {
    max-height: 0;
    padding: 0 2rem;
    overflow: hidden;
    background: var(--bg-tertiary);
    transition: all 0.4s ease-in-out;
    border-bottom-left-radius: 24px;
    border-bottom-right-radius: 24px;
}

.gv-faq-answer.show {
    max-height: 300px;
    padding: 0 2rem 2rem 2rem;
}

.gv-faq-answer p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
    margin: 0;
}

/* ===== DARK MODE SPECIFIC TWEAKS ===== */
body.dark-mode .gv-why-card,
body.dark-mode .gv-trusted-quote,
body.dark-mode .gv-faq-item {
    background: #2d2d2d;
}

body.dark-mode .gv-why-icon {
    background: #3d3d3d;
}

body.dark-mode .gv-section-header p {
    color: #b0b0b0;
}

body.dark-mode .gv-logo-item {
    color: #b0b0b0;
}

body.dark-mode .gv-logo-item i {
    color: #b0b0b0;
}

body.dark-mode .gv-trusted-quote {
    background: #2d2d2d;
}

body.dark-mode .gv-faq-answer {
    background: #363636;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .gv-about-grid, .gv-trusted-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .gv-why-grid {
        grid-template-columns: 1fr 1fr;
    }
    .gv-section-header h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 600px) {
    .gv-why-grid {
        grid-template-columns: 1fr;
    }
    .gv-logo-strip {
        gap: 2rem;
    }
    .gv-faq-question h3 {
        font-size: 1.1rem;
    }
    .gv-btn-group {
        flex-direction: column;
        align-items: center;
    }
    .gv-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

/* ===== UTILITY CLASSES ===== */
.gv-text-gradient {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gv-glow-effect {
    animation: gv-glow 2s infinite;
}