* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #000000;
    color: #ffffff;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.header-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: #000000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
}

.header-container {
    width: 100%;
    max-width: 1200px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: 'Ubuntu', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #ffffff;
    margin: 0;
    padding: 0;
    text-decoration: none;
}

.header-cta {
    font-family: 'Roboto', sans-serif;
    display: inline-block;
    padding: 8px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-decoration: none;
    color: #000000;
    background-color: #ffffff;
    border: 2px solid #ffffff;
    border-radius: 10px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.header-cta:hover {
    background-color: #e5e5e5;
}

.header-cta:active {
    background-color: #d5d5d5;
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000000;
    overflow: hidden;
    padding: 0 16px;
}

.flash-effect {
    position: absolute;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.7) 0%, rgba(230, 230, 250, 0.65) 15%, rgba(192, 192, 220, 0.6) 30%, rgba(176, 196, 222, 0.5) 45%, rgba(192, 192, 192, 0.4) 60%, rgba(105, 105, 105, 0.25) 75%, rgba(0, 0, 0, 0) 90%, transparent 100%);
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    animation: flashExpand 1.5s ease-out forwards;
    pointer-events: none;
    z-index: 1;
    filter: blur(60px);
}

@keyframes flashExpand {
    0% {
        width: 0;
        height: 0;
        opacity: 0;
    }
    20% {
        width: 800px;
        height: 800px;
        opacity: 0.7;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.7) 0%, rgba(255, 250, 250, 0.65) 10%, rgba(240, 248, 255, 0.6) 20%, rgba(230, 230, 250, 0.55) 30%, rgba(176, 196, 222, 0.5) 40%, rgba(192, 192, 220, 0.45) 50%, rgba(192, 192, 192, 0.35) 65%, rgba(169, 169, 169, 0.25) 80%, transparent 100%);
    }
    40% {
        width: 1200px;
        height: 1200px;
        opacity: 0.5;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.4) 0%, rgba(230, 230, 250, 0.45) 15%, rgba(176, 196, 222, 0.4) 30%, rgba(192, 192, 220, 0.35) 45%, rgba(192, 192, 192, 0.3) 60%, rgba(169, 169, 169, 0.2) 75%, rgba(105, 105, 105, 0.1) 85%, rgba(0, 0, 0, 0) 95%, transparent 100%);
    }
    100% {
        width: 1000px;
        height: 1000px;
        opacity: 0.4;
        background: radial-gradient(circle, rgba(192, 192, 220, 0.45) 0%, rgba(176, 196, 222, 0.4) 15%, rgba(192, 192, 192, 0.35) 30%, rgba(169, 169, 169, 0.25) 50%, rgba(128, 128, 128, 0.15) 70%, rgba(80, 80, 80, 0.1) 85%, transparent 100%);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    transform-origin: center center;
}

.hero-title {
    font-family: 'Roboto', sans-serif;
    font-size: 64px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    color: #ffffff;
    animation: expandFromCenter 1.2s ease-out 0.3s both;
}

@keyframes expandFromCenter {
    0% {
        transform: scale(0) translateY(0);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.hero-subtitle {
    font-family: 'Roboto', sans-serif;
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 0.08em;
    margin-bottom: 3rem;
    color: #d0d0e0;
    animation: expandFromCenter 1.2s ease-out 0.5s both;
    opacity: 0.9;
}

.cta-button {
    font-family: 'Roboto', sans-serif;
    display: inline-block;
    padding: 12px 16px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-decoration: none;
    color: #000000;
    background-color: #ffffff;
    border: 2px solid #ffffff;
    border-radius: 10px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    animation: expandFromCenter 1.2s ease-out 0.7s both;
}

.cta-button:hover {
    background-color: #e5e5e5;
    transform: translateY(-3px) scale(1.02);
}

.cta-button:active {
    transform: translateY(-1px) scale(0.98);
}

/* Why Section */
.why-section {
    position: relative;
    background-color: #000000;
    padding: 0 0 3rem 0;
    min-height: 100vh;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.section-divider {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 4rem;
}

.why-container {
    width: 100%;
    padding: 0;
}

.why-title {
    font-family: 'Roboto', sans-serif;
    font-size: 2.5rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 120px;
    text-align: center;
    position: sticky;
    top: 60px;
    z-index: 10;
    background-color: #000000;
    padding: 2rem 0 2rem 0;
    margin-top: 0;
}

.why-title.stuck {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 2rem;
}

.why-title.stuck::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.12) 0%,
        rgba(230, 230, 250, 0.1) 15%,
        rgba(192, 192, 220, 0.08) 30%,
        rgba(176, 196, 222, 0.06) 45%,
        rgba(192, 192, 192, 0.05) 60%,
        rgba(169, 169, 169, 0.04) 75%,
        rgba(105, 105, 105, 0.02) 85%,
        transparent 100%
    );
    z-index: 5;
    pointer-events: none;
}

.timeline {
    position: relative;
    width: 100%;
    margin: 0 0 6rem 0;
    padding-top: 0;
}

.timeline-item {
    position: relative;
    width: 100%;
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    margin-bottom: 2rem;
    z-index: 1;
}

.timeline-item.focused {
    opacity: 1;
}

.timeline-marker {
    display: none;
}

.timeline-content {
    position: relative;
    text-align: center;
    padding: 3rem 2rem;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-content p {
    font-family: 'Roboto', sans-serif;
    font-size: 2rem;
    font-weight: 400;
    line-height: 1.8;
    color: #d0d0e0;
}

.cta-section {
    position: relative;
    background-color: #000000;
    padding: 3rem 2rem;
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-section-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.cta-card {
    width: 100%;
    padding: 3rem;
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.cta-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.cta-card-title {
    font-family: 'Roboto', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.cta-card-button {
    font-family: 'Roboto', sans-serif;
    display: inline-block;
    padding: 12px 24px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-decoration: none;
    color: #000000;
    background-color: #ffffff;
    border: 2px solid #ffffff;
    border-radius: 10px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.cta-card-button:hover {
    background-color: #e5e5e5;
    transform: translateY(-2px);
}

.cta-card-button:active {
    transform: translateY(0);
}

/* Footer */
.footer {
    background-color: #000000;
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-text {
    font-family: 'Roboto', sans-serif;
    font-size: 0.875rem;
    font-weight: 400;
    color: #d0d0e0;
    margin: 0;
    opacity: 0.7;
}

/* Contact Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-out, visibility 0.3s ease-out;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    position: relative;
    background-color: #000000;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 3rem;
    max-width: 500px;
    width: 90%;
    transform: scale(0.9);
    transition: transform 0.3s ease-out;
}

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

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
    opacity: 0.7;
}

.modal-close:hover {
    opacity: 1;
}

.modal-title {
    font-family: 'Roboto', sans-serif;
    font-size: 2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 2rem;
    text-align: center;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-message {
    font-family: 'Roboto', sans-serif;
    font-size: 0.875rem;
    font-weight: 400;
    padding: 0.75rem;
    border-radius: 8px;
    text-align: center;
    min-height: 1.5rem;
}

.form-message-success {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-message-error {
    background-color: rgba(255, 0, 0, 0.1);
    color: #ff6b6b;
    border: 1px solid rgba(255, 0, 0, 0.2);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-family: 'Roboto', sans-serif;
    font-size: 0.875rem;
    font-weight: 400;
    color: #d0d0e0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.form-input {
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 1rem;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4);
    background-color: rgba(255, 255, 255, 0.08);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-submit {
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: #000000;
    background-color: #ffffff;
    border: 2px solid #ffffff;
    border-radius: 10px;
    padding: 12px 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.form-submit:hover {
    background-color: #e5e5e5;
    transform: translateY(-2px);
}

.form-submit:active {
    transform: translateY(0);
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .header-bar {
        padding: 0.75rem 1rem;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .header-cta {
        padding: 8px 10px;
        font-size: 0.7rem;
    }
    
    .hero {
        padding: 0 16px;
    }
    
    .hero-title {
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        margin-bottom: 2rem;
        font-size: 18px;
    }
    
    .cta-button {
        padding: 12px 16px;
        font-size: 0.8rem;
    }

    .why-section {
        padding: 0 0 2rem 0;
    }

    .why-container {
        padding: 0;
    }

    .why-title {
        font-size: 2rem;
        margin-bottom: 80px;
        top: 50px;
        padding: 1.5rem 0;
    }

    .why-title.stuck {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 1.5rem;
    }

    .timeline {
        margin-bottom: 4rem;
    }

    .timeline-item {
        min-height: 35vh;
        margin-bottom: 1.5rem;
    }

    .timeline-content {
        padding: 2rem 1.5rem;
    }

    .timeline-content p {
        font-size: 1.5rem;
    }

    .cta-section {
        padding: 2rem 1.5rem;
        min-height: 35vh;
    }

    .cta-card {
        padding: 2rem 1.5rem;
    }

    .cta-card-title {
        font-size: 1.25rem;
    }

    .footer {
        padding: 2rem 1.5rem;
    }

    .footer-text {
        font-size: 0.8rem;
    }

    .modal-content {
        padding: 2rem 1.5rem;
        max-width: 90%;
    }

    .modal-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .modal-close {
        top: 1rem;
        right: 1rem;
        font-size: 1.5rem;
    }
}