:root {
    --primary: #1E3A8A;
    --secondary: #0EA5E9;
    --accent: #00D9FF;
    --dark: #0A1628;
    --gray-900: #1a1a2e;
    --gray-800: #252541;
    --gray-700: #35355e;
    --gray-600: #4a4a7a;
    --gray-500: #6b6b8f;
    --gray-400: #9090ab;
    --gray-300: #b5b5c8;
    --gray-200: #d4d4e5;
    --gray-100: #ededf5;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-accent: linear-gradient(135deg, #00D9FF 0%, #0EA5E9 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Verdana, Geneva, sans-serif;
}

body {
    font-family: Verdana, Geneva, sans-serif;
    color: var(--gray-900);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: Verdana, Geneva, sans-serif;
}

p, span, a, li, button, input, textarea, select, label, div {
    font-family: Verdana, Geneva, sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--gray-100);
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    font-weight: 900;
    font-size: 24px;
    color: var(--primary);
    transition: transform 0.3s ease;
    font-family: Verdana, Geneva, sans-serif;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    margin: 0;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width 0.3s ease;
}

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

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

.btn-primary {
    font-family: Verdana, Geneva, sans-serif;
    padding: 10px 24px;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.3);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 140px 0 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 50%, #f0f9ff 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(30, 58, 138, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(30px, 30px);
    }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

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

.hero-title {
    font-family: Verdana, Geneva, sans-serif;
    font-weight: 900;
    font-size: 56px;
    line-height: 1.1;
    color: var(--primary);
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.highlight {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.btn-hero {
    padding: 14px 32px;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(30, 58, 138, 0.25);
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(30, 58, 138, 0.35);
}

.btn-secondary {
    padding: 14px 32px;
    background: white;
    color: var(--primary);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 16px;
    border: 2px solid var(--gray-200);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--secondary);
    color: var(--secondary);
    transform: translateY(-3px);
}

.hero-features {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: white;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.hero-visual {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.email-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.6s ease;
}

.email-card:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.email-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.dots {
    display: flex;
    gap: 6px;
}

.dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
}

.secure-badge {
    font-size: 12px;
    color: white;
    font-weight: 600;
}

.email-card-body {
    padding: 20px;
}

.email-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.email-item:hover {
    background: var(--gray-100);
    transform: translateX(4px);
}

.email-avatar {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.email-content {
    flex: 1;
    min-width: 0;
}

.email-from {
    font-weight: 700;
    color: var(--gray-800);
    font-size: 14px;
    margin-bottom: 4px;
}

.email-subject {
    font-size: 13px;
    color: var(--gray-600);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Features Overview Section */
.features-overview {
    padding: 100px 0;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
    color: var(--secondary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.section-title {
    font-family: Verdana, Geneva, sans-serif;
    font-weight: 900;
    font-size: 42px;
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-600);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 32px;
    background: white;
    border-radius: 16px;
    border: 1px solid var(--gray-100);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeInUp 0.6s ease-out both;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--gray-200);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-family: Verdana, Geneva, sans-serif;
    font-weight: 800;
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 15px;
}

/* Plans Section */
.plans-preview {
    padding: 100px 0;
    background: linear-gradient(180deg, white 0%, var(--gray-100) 100%);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.plan-card {
    background: white;
    border-radius: 20px;
    padding: 40px 32px;
    border: 2px solid var(--gray-200);
    transition: all 0.4s ease;
    position: relative;
    animation: fadeInUp 0.6s ease-out both;
}

.plan-card:nth-child(1) { animation-delay: 0.1s; }
.plan-card:nth-child(2) { animation-delay: 0.2s; }
.plan-card:nth-child(3) { animation-delay: 0.3s; }

.plan-card.featured {
    border-color: var(--secondary);
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(14, 165, 233, 0.2);
}

.plan-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.plan-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.plan-header {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--gray-100);
}

.plan-name {
    font-family: Verdana, Geneva, sans-serif;
    font-weight: 800;
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 16px;
}

.plan-price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-600);
    margin-top: 8px;
}

.amount {
    font-size: 56px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.period {
    font-size: 16px;
    color: var(--gray-600);
    margin-top: 20px;
}

.plan-features {
    list-style: none;
    margin-bottom: 32px;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    color: var(--gray-700);
    font-size: 15px;
}

.plan-button {
    display: block;
    width: 100%;
    padding: 14px;
    text-align: center;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.plan-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(30, 58, 138, 0.3);
}

.plan-card.featured .plan-button {
    background: var(--gradient-accent);
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-family: Verdana, Geneva, sans-serif;
    font-weight: 900;
    font-size: 42px;
    color: white;
    margin-bottom: 16px;
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta-primary {
    padding: 16px 36px;
    background: white;
    color: var(--primary);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
}

.btn-cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.btn-cta-secondary {
    padding: 16px 36px;
    background: transparent;
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 16px;
    border: 2px solid white;
    transition: all 0.3s ease;
}

.btn-cta-secondary:hover {
    background: white;
    color: var(--primary);
    transform: translateY(-3px);
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--gray-300);
    padding-top: 80px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 900;
    font-size: 20px;
    color: white;
    margin-bottom: 16px;
    font-family: Verdana, Geneva, sans-serif;
}

.footer-description {
    color: var(--gray-400);
    line-height: 1.7;
    font-size: 14px;
}

.footer-column h4 {
    color: white;
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 20px;
}

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

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

.footer-column a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 32px 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--gray-500);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

/* Responsive */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 42px;
    }

    .email-card {
        transform: none;
        max-width: 500px;
        margin: 0 auto;
    }

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

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

    .plan-card.featured {
        transform: scale(1);
    }

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

    .nav-menu {
        display: none;
    }

    .logo {
        font-size: 20px;
    }

    .logo svg {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 36px;
    }

    .section-title {
        font-size: 32px;
    }

    .cta-title {
        font-size: 32px;
    }

    .hero-cta {
        flex-direction: column;
    }

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

    .logo {
        font-size: 18px;
    }

    .logo svg {
        width: 36px;
        height: 36px;
    }

    .nav-container {
        padding: 12px 16px;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 16px;
    }

    .logo svg {
        width: 32px;
        height: 32px;
    }

    .btn-primary {
        font-size: 12px;
        padding: 8px 16px;
    }
}