.project-hero {
    position: relative;
    overflow: hidden;
    margin-top: 70px;
    padding: 110px 0 70px;
    color: #f7fbff;
    background: radial-gradient(circle at 15% 20%, #234fa3 0%, transparent 48%),
        radial-gradient(circle at 83% 10%, #159078 0%, transparent 52%),
        linear-gradient(145deg, #070b14 10%, #0a1220 58%, #0f1829 100%);
}

.project-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(115, 153, 207, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(115, 153, 207, 0.12) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.22;
}

.project-hero::after {
    content: '';
    position: absolute;
    top: -120px;
    right: -150px;
    width: 460px;
    height: 460px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(25, 211, 224, 0.32), transparent 68%);
}

.project-hero .container {
    position: relative;
    z-index: 1;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    text-decoration: none;
    color: #d5e4ff;
    margin-bottom: 1.2rem;
    border: 1px solid rgba(118, 172, 239, 0.5);
    border-radius: 999px;
    padding: 0.42rem 0.9rem;
    font-weight: 700;
    font-size: 0.88rem;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.back-link:hover {
    transform: translateY(-2px);
    border-color: rgba(116, 245, 214, 0.72);
    background: rgba(24, 44, 69, 0.6);
}

.project-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    letter-spacing: -0.45px;
    margin-bottom: 0.55rem;
    color: #ffffff;
}

.project-hero p {
    font-size: clamp(1rem, 2.1vw, 1.22rem);
    max-width: 55ch;
    color: #cfe1ff;
}

.project-details {
    padding: 86px 0;
    background: linear-gradient(180deg, #0a1220 0%, #080d18 100%);
}

.project-info {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 0.9rem;
}

.info-block {
    border-radius: var(--radius-md);
    border: 1px solid rgba(84, 128, 189, 0.36);
    background: linear-gradient(165deg, rgba(17, 28, 45, 0.92), rgba(10, 17, 30, 0.96));
    box-shadow: var(--shadow-soft);
    padding: 1.35rem;
}

.info-block h3 {
    font-family: var(--font-display);
    font-size: 1.22rem;
    color: #f4f8ff;
    margin-bottom: 0.7rem;
}

.info-block p {
    color: #ccd9eb;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-stack span {
    border: 1px solid rgba(100, 153, 221, 0.45);
    border-radius: 999px;
    background: rgba(26, 42, 66, 0.72);
    color: #deebff;
    font-weight: 700;
    font-size: 0.82rem;
    padding: 0.36rem 0.8rem;
}

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

.features-list li {
    display: flex;
    align-items: center;
    gap: 0.68rem;
    color: #ccd9eb;
    padding: 0.42rem 0;
}

.features-list i {
    color: var(--brand-strong);
}

.project-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.project-buttons .btn {
    flex: 1;
    min-width: 190px;
}

@media (max-width: 820px) {
    .project-hero {
        padding: 96px 0 60px;
    }

    .project-details {
        padding: 72px 0;
    }

    .project-buttons {
        flex-direction: column;
    }

    .project-buttons .btn {
        width: 100%;
    }
}

/* Theme refresh alignment for project pages */
.project-hero {
    color: #ffffff;
    background: linear-gradient(135deg, #0e2a5a 0%, #1d3f7a 48%, #8b5e3c 100%);
}

.project-hero::before {
    background-image: linear-gradient(rgba(255, 255, 255, 0.28) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px);
    opacity: 0.24;
}

.project-hero::after {
    background: radial-gradient(circle, rgba(255, 255, 255, 0.35), transparent 68%);
}

.back-link {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.56);
    background: rgba(0, 0, 0, 0.08);
}

.back-link:hover {
    border-color: rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.2);
}

.project-details {
    background: transparent;
}

.info-block {
    border-color: rgba(168, 132, 92, 0.48);
    background: #ffffff;
    box-shadow: 0 12px 28px rgba(78, 56, 36, 0.11);
}

.info-block h3 {
    color: #132a55;
}

.info-block p,
.features-list li {
    color: #664a31;
}

.tech-stack span {
    border-color: rgba(177, 143, 104, 0.46);
    background: #fff9e8;
    color: #5b402b;
}