:root {
    --gradient: linear-gradient(90deg, #1cb0f6, #9c42f5, #f54291, #f57c42);
    --bg-dark: #0a0a0c;
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-main: #ffffff;
    --accent: #9c42f5;
}

body {
    margin: 0;
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
}

header {
    padding: 80px 20px;
    text-align: center;
}

.logo-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 4rem;
    margin: 0;
    font-weight: 800;
}

.subtitle {
    margin-top: 15px;
    font-weight: 300;
    letter-spacing: 4px;
    text-transform: uppercase;
    opacity: 0.7;
    font-size: 0.9rem;
}

.logo-image {
    width: 400px;
    height: auto;
    margin: 0;
}

/* Grid System */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-12px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(156, 66, 245, 0.2);
}

.project-thumb {
    width: 100%;
    padding-bottom: 56.25%;
    background: #16161a;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.project-thumb iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 1920px;
    height: 1080px;
    border: none;
    transform-origin: top left;
    transform: scale(0.2042);
}

.project-info {
    padding: 25px;
}

.view-button {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 25px;
    border-radius: 30px;
    background: var(--gradient);
    background-size: 200% 200%;
    color: white;
    font-weight: bold;
    font-size: 0.85rem;
    transition: background-position 0.5s ease, transform 0.2s ease;
}

.view-button:hover {
    background-position: 100% 0;
    transform: translateY(-2px) scale(1.03);
}

.view-button:active {
    transform: translateY(0) scale(0.98);
}

/* Modal Styling */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.98);
    z-index: 1000;
}

.modal-content {
    position: relative;
    width: 95%;
    height: 88%;
    margin: 2% auto;
    border-radius: 15px;
    border: 1px solid var(--accent);
    overflow: hidden;
    background: white;
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 25px;
    color: white;
    font-size: 50px;
    cursor: pointer;
    z-index: 1001;
    transition: color 0.3s;
}

.close-modal:hover {
    color: #f54291;
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
}

footer {
    text-align: center;
    padding: 120px 20px;
    opacity: 0.8;
}

/* WhatsApp Buttons Container */
.whatsapp-container {
    position: fixed;
    bottom: 40px;
    right: 25px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.whatsapp-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    padding: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: white;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.75rem;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    transition: width 0.3s ease, padding 0.3s ease, border-radius 0.3s ease, box-shadow 0.3s ease;
    animation: floatAnimation 3s ease-in-out infinite;
    overflow: hidden;
    position: relative;
    white-space: nowrap;
}

.whatsapp-btn img {
    width: 32px;
    height: 32px;
    z-index: 2;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.whatsapp-number {
    display: inline-block;
    opacity: 0;
    max-width: 0;
    width: 0;
    margin-left: 0;
    visibility: hidden;
    overflow: hidden;
    font-size: 0.75rem;
    white-space: nowrap;
    transition: opacity 0.3s ease, max-width 0.3s ease, width 0.3s ease, margin-left 0.3s ease, visibility 0.3s ease;
}

.whatsapp-btn:hover {
    width: auto;
    justify-content: flex-start;
    padding: 0 18px;
    border-radius: 30px;
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-btn:hover img {
    transform: scale(1.05);
}

.whatsapp-btn:hover .whatsapp-number {
    opacity: 1;
    visibility: visible;
    width: auto;
    max-width: 180px;
    margin-left: 12px;
}

.whatsapp-btn.btn-1 {
    animation-delay: 0s;
}

.whatsapp-btn.btn-2 {
    animation-delay: 0.3s;
}

@keyframes floatAnimation {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.whatsapp-btn:active {
    transform: scale(0.95);
}

/* Responsividade para Celular */
@media (max-width: 768px) {
    header {
        padding: 50px 15px;
    }

    .logo-image {
        width: 250px;
        height: auto;
    }

    .subtitle {
        font-size: 0.8rem;
        letter-spacing: 2px;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 15px;
    }

    .project-thumb iframe {
        width: 1920px;
        height: 1080px;
    }

    .project-info {
        padding: 20px;
    }

    .view-button {
        padding: 8px 20px;
        font-size: 0.8rem;
    }

    .modal-content {
        width: 98%;
        height: 85%;
        margin: 7% auto;
    }

    .close-modal {
        font-size: 40px;
        right: 15px;
        top: 5px;
    }

    footer {
        padding: 80px 15px;
        font-size: 0.9rem;
    }

    footer h2 {
        font-size: 1.5rem;
    }

    footer p {
        font-size: 0.85rem;
    }

    .whatsapp-container {
        bottom: 30px;
        right: 15px;
        gap: 12px;
    }

    .whatsapp-btn {
        width: 55px;
        height: 55px;
    }

    .whatsapp-btn svg {
        width: 28px;
        height: 28px;
    }

    .whatsapp-btn:hover {
        width: auto;
        padding: 0 18px;
    }

    .whatsapp-btn:hover .whatsapp-number {
        font-size: 0.65rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 40px 10px;
    }

    .logo-image {
        width: 180px;
        height: auto;
    }

    .subtitle {
        font-size: 0.7rem;
        letter-spacing: 1px;
        margin-top: 10px;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 10px;
    }

    .project-card {
        border-radius: 15px;
    }

    .project-info {
        padding: 15px;
    }

    h3 {
        font-size: 1rem;
    }

    .project-info p {
        font-size: 0.85rem;
        margin: 8px 0;
    }

    .view-button {
        padding: 7px 15px;
        font-size: 0.75rem;
    }

    .modal-content {
        width: 100%;
        height: 90%;
        margin: 5% auto;
        border-radius: 10px;
    }

    .close-modal {
        font-size: 35px;
        right: 10px;
        top: 10px;
    }

    footer {
        padding: 50px 10px;
        font-size: 0.85rem;
    }

    footer h2 {
        font-size: 1.3rem;
        margin: 0 0 15px 0;
    }

    footer p {
        font-size: 0.8rem;
        margin: 5px 0;
    }

    .whatsapp-container {
        bottom: 20px;
        right: 10px;
        gap: 10px;
    }

    .whatsapp-btn {
        width: 50px;
        height: 50px;
        box-shadow: 0 6px 16px rgba(37, 211, 102, 0.3);
    }

    .whatsapp-btn svg {
        width: 25px;
        height: 25px;
    }

    .whatsapp-btn:hover {
        width: auto;
        padding: 0 16px;
    }

    .whatsapp-btn:hover .whatsapp-number {
        font-size: 0.6rem;
    }

    .whatsapp-number {
        font-size: 0.6rem;
    }
}